diff options
Diffstat (limited to 'nexgb/render')
| -rw-r--r-- | nexgb/render/render.go | 4029 | 
1 files changed, 4029 insertions, 0 deletions
| diff --git a/nexgb/render/render.go b/nexgb/render/render.go new file mode 100644 index 0000000..01ea481 --- /dev/null +++ b/nexgb/render/render.go @@ -0,0 +1,4029 @@ +// Package render is the X client API for the RENDER extension. +package render + +// This file is automatically generated from render.xml. Edit at your peril! + +import ( +	"github.com/BurntSushi/xgb" + +	"github.com/BurntSushi/xgb/xproto" +) + +// Init must be called before using the RENDER extension. +func Init(c *xgb.Conn) error { +	reply, err := xproto.QueryExtension(c, 6, "RENDER").Reply() +	switch { +	case err != nil: +		return err +	case !reply.Present: +		return xgb.Errorf("No extension named RENDER could be found on on the server.") +	} + +	c.ExtLock.Lock() +	c.Extensions["RENDER"] = reply.MajorOpcode +	c.ExtLock.Unlock() +	for evNum, fun := range xgb.NewExtEventFuncs["RENDER"] { +		xgb.NewEventFuncs[int(reply.FirstEvent)+evNum] = fun +	} +	for errNum, fun := range xgb.NewExtErrorFuncs["RENDER"] { +		xgb.NewErrorFuncs[int(reply.FirstError)+errNum] = fun +	} +	return nil +} + +func init() { +	xgb.NewExtEventFuncs["RENDER"] = make(map[int]xgb.NewEventFun) +	xgb.NewExtErrorFuncs["RENDER"] = make(map[int]xgb.NewErrorFun) +} + +type Animcursorelt struct { +	Cursor xproto.Cursor +	Delay  uint32 +} + +// AnimcursoreltRead reads a byte slice into a Animcursorelt value. +func AnimcursoreltRead(buf []byte, v *Animcursorelt) int { +	b := 0 + +	v.Cursor = xproto.Cursor(xgb.Get32(buf[b:])) +	b += 4 + +	v.Delay = xgb.Get32(buf[b:]) +	b += 4 + +	return b +} + +// AnimcursoreltReadList reads a byte slice into a list of Animcursorelt values. +func AnimcursoreltReadList(buf []byte, dest []Animcursorelt) int { +	b := 0 +	for i := 0; i < len(dest); i++ { +		dest[i] = Animcursorelt{} +		b += AnimcursoreltRead(buf[b:], &dest[i]) +	} +	return xgb.Pad(b) +} + +// Bytes writes a Animcursorelt value to a byte slice. +func (v Animcursorelt) Bytes() []byte { +	buf := make([]byte, 8) +	b := 0 + +	xgb.Put32(buf[b:], uint32(v.Cursor)) +	b += 4 + +	xgb.Put32(buf[b:], v.Delay) +	b += 4 + +	return buf[:b] +} + +// AnimcursoreltListBytes writes a list of Animcursorelt values to a byte slice. +func AnimcursoreltListBytes(buf []byte, list []Animcursorelt) int { +	b := 0 +	var structBytes []byte +	for _, item := range list { +		structBytes = item.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} +	return xgb.Pad(b) +} + +type Color struct { +	Red   uint16 +	Green uint16 +	Blue  uint16 +	Alpha uint16 +} + +// ColorRead reads a byte slice into a Color value. +func ColorRead(buf []byte, v *Color) int { +	b := 0 + +	v.Red = xgb.Get16(buf[b:]) +	b += 2 + +	v.Green = xgb.Get16(buf[b:]) +	b += 2 + +	v.Blue = xgb.Get16(buf[b:]) +	b += 2 + +	v.Alpha = xgb.Get16(buf[b:]) +	b += 2 + +	return b +} + +// ColorReadList reads a byte slice into a list of Color values. +func ColorReadList(buf []byte, dest []Color) int { +	b := 0 +	for i := 0; i < len(dest); i++ { +		dest[i] = Color{} +		b += ColorRead(buf[b:], &dest[i]) +	} +	return xgb.Pad(b) +} + +// Bytes writes a Color value to a byte slice. +func (v Color) Bytes() []byte { +	buf := make([]byte, 8) +	b := 0 + +	xgb.Put16(buf[b:], v.Red) +	b += 2 + +	xgb.Put16(buf[b:], v.Green) +	b += 2 + +	xgb.Put16(buf[b:], v.Blue) +	b += 2 + +	xgb.Put16(buf[b:], v.Alpha) +	b += 2 + +	return buf[:b] +} + +// ColorListBytes writes a list of Color values to a byte slice. +func ColorListBytes(buf []byte, list []Color) int { +	b := 0 +	var structBytes []byte +	for _, item := range list { +		structBytes = item.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} +	return xgb.Pad(b) +} + +const ( +	CpRepeat           = 1 +	CpAlphaMap         = 2 +	CpAlphaXOrigin     = 4 +	CpAlphaYOrigin     = 8 +	CpClipXOrigin      = 16 +	CpClipYOrigin      = 32 +	CpClipMask         = 64 +	CpGraphicsExposure = 128 +	CpSubwindowMode    = 256 +	CpPolyEdge         = 512 +	CpPolyMode         = 1024 +	CpDither           = 2048 +	CpComponentAlpha   = 4096 +) + +type Directformat struct { +	RedShift   uint16 +	RedMask    uint16 +	GreenShift uint16 +	GreenMask  uint16 +	BlueShift  uint16 +	BlueMask   uint16 +	AlphaShift uint16 +	AlphaMask  uint16 +} + +// DirectformatRead reads a byte slice into a Directformat value. +func DirectformatRead(buf []byte, v *Directformat) int { +	b := 0 + +	v.RedShift = xgb.Get16(buf[b:]) +	b += 2 + +	v.RedMask = xgb.Get16(buf[b:]) +	b += 2 + +	v.GreenShift = xgb.Get16(buf[b:]) +	b += 2 + +	v.GreenMask = xgb.Get16(buf[b:]) +	b += 2 + +	v.BlueShift = xgb.Get16(buf[b:]) +	b += 2 + +	v.BlueMask = xgb.Get16(buf[b:]) +	b += 2 + +	v.AlphaShift = xgb.Get16(buf[b:]) +	b += 2 + +	v.AlphaMask = xgb.Get16(buf[b:]) +	b += 2 + +	return b +} + +// DirectformatReadList reads a byte slice into a list of Directformat values. +func DirectformatReadList(buf []byte, dest []Directformat) int { +	b := 0 +	for i := 0; i < len(dest); i++ { +		dest[i] = Directformat{} +		b += DirectformatRead(buf[b:], &dest[i]) +	} +	return xgb.Pad(b) +} + +// Bytes writes a Directformat value to a byte slice. +func (v Directformat) Bytes() []byte { +	buf := make([]byte, 16) +	b := 0 + +	xgb.Put16(buf[b:], v.RedShift) +	b += 2 + +	xgb.Put16(buf[b:], v.RedMask) +	b += 2 + +	xgb.Put16(buf[b:], v.GreenShift) +	b += 2 + +	xgb.Put16(buf[b:], v.GreenMask) +	b += 2 + +	xgb.Put16(buf[b:], v.BlueShift) +	b += 2 + +	xgb.Put16(buf[b:], v.BlueMask) +	b += 2 + +	xgb.Put16(buf[b:], v.AlphaShift) +	b += 2 + +	xgb.Put16(buf[b:], v.AlphaMask) +	b += 2 + +	return buf[:b] +} + +// DirectformatListBytes writes a list of Directformat values to a byte slice. +func DirectformatListBytes(buf []byte, list []Directformat) int { +	b := 0 +	var structBytes []byte +	for _, item := range list { +		structBytes = item.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} +	return xgb.Pad(b) +} + +type Fixed int32 + +type Glyph uint32 + +// BadGlyph is the error number for a BadGlyph. +const BadGlyph = 4 + +type GlyphError struct { +	Sequence uint16 +	NiceName string +} + +// GlyphErrorNew constructs a GlyphError value that implements xgb.Error from a byte slice. +func GlyphErrorNew(buf []byte) xgb.Error { +	v := GlyphError{} +	v.NiceName = "Glyph" + +	b := 1 // skip error determinant +	b += 1 // don't read error number + +	v.Sequence = xgb.Get16(buf[b:]) +	b += 2 + +	return v +} + +// SequenceId returns the sequence id attached to the BadGlyph error. +// This is mostly used internally. +func (err GlyphError) SequenceId() uint16 { +	return err.Sequence +} + +// BadId returns the 'BadValue' number if one exists for the BadGlyph error. If no bad value exists, 0 is returned. +func (err GlyphError) BadId() uint32 { +	return 0 +} + +// Error returns a rudimentary string representation of the BadGlyph error. + +func (err GlyphError) Error() string { +	fieldVals := make([]string, 0, 0) +	fieldVals = append(fieldVals, "NiceName: "+err.NiceName) +	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", err.Sequence)) +	return "BadGlyph {" + xgb.StringsJoin(fieldVals, ", ") + "}" +} + +func init() { +	xgb.NewExtErrorFuncs["RENDER"][4] = GlyphErrorNew +} + +// BadGlyphSet is the error number for a BadGlyphSet. +const BadGlyphSet = 3 + +type GlyphSetError struct { +	Sequence uint16 +	NiceName string +} + +// GlyphSetErrorNew constructs a GlyphSetError value that implements xgb.Error from a byte slice. +func GlyphSetErrorNew(buf []byte) xgb.Error { +	v := GlyphSetError{} +	v.NiceName = "GlyphSet" + +	b := 1 // skip error determinant +	b += 1 // don't read error number + +	v.Sequence = xgb.Get16(buf[b:]) +	b += 2 + +	return v +} + +// SequenceId returns the sequence id attached to the BadGlyphSet error. +// This is mostly used internally. +func (err GlyphSetError) SequenceId() uint16 { +	return err.Sequence +} + +// BadId returns the 'BadValue' number if one exists for the BadGlyphSet error. If no bad value exists, 0 is returned. +func (err GlyphSetError) BadId() uint32 { +	return 0 +} + +// Error returns a rudimentary string representation of the BadGlyphSet error. + +func (err GlyphSetError) Error() string { +	fieldVals := make([]string, 0, 0) +	fieldVals = append(fieldVals, "NiceName: "+err.NiceName) +	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", err.Sequence)) +	return "BadGlyphSet {" + xgb.StringsJoin(fieldVals, ", ") + "}" +} + +func init() { +	xgb.NewExtErrorFuncs["RENDER"][3] = GlyphSetErrorNew +} + +type Glyphinfo struct { +	Width  uint16 +	Height uint16 +	X      int16 +	Y      int16 +	XOff   int16 +	YOff   int16 +} + +// GlyphinfoRead reads a byte slice into a Glyphinfo value. +func GlyphinfoRead(buf []byte, v *Glyphinfo) int { +	b := 0 + +	v.Width = xgb.Get16(buf[b:]) +	b += 2 + +	v.Height = xgb.Get16(buf[b:]) +	b += 2 + +	v.X = int16(xgb.Get16(buf[b:])) +	b += 2 + +	v.Y = int16(xgb.Get16(buf[b:])) +	b += 2 + +	v.XOff = int16(xgb.Get16(buf[b:])) +	b += 2 + +	v.YOff = int16(xgb.Get16(buf[b:])) +	b += 2 + +	return b +} + +// GlyphinfoReadList reads a byte slice into a list of Glyphinfo values. +func GlyphinfoReadList(buf []byte, dest []Glyphinfo) int { +	b := 0 +	for i := 0; i < len(dest); i++ { +		dest[i] = Glyphinfo{} +		b += GlyphinfoRead(buf[b:], &dest[i]) +	} +	return xgb.Pad(b) +} + +// Bytes writes a Glyphinfo value to a byte slice. +func (v Glyphinfo) Bytes() []byte { +	buf := make([]byte, 12) +	b := 0 + +	xgb.Put16(buf[b:], v.Width) +	b += 2 + +	xgb.Put16(buf[b:], v.Height) +	b += 2 + +	xgb.Put16(buf[b:], uint16(v.X)) +	b += 2 + +	xgb.Put16(buf[b:], uint16(v.Y)) +	b += 2 + +	xgb.Put16(buf[b:], uint16(v.XOff)) +	b += 2 + +	xgb.Put16(buf[b:], uint16(v.YOff)) +	b += 2 + +	return buf[:b] +} + +// GlyphinfoListBytes writes a list of Glyphinfo values to a byte slice. +func GlyphinfoListBytes(buf []byte, list []Glyphinfo) int { +	b := 0 +	var structBytes []byte +	for _, item := range list { +		structBytes = item.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} +	return xgb.Pad(b) +} + +type Glyphset uint32 + +func NewGlyphsetId(c *xgb.Conn) (Glyphset, error) { +	id, err := c.NewId() +	if err != nil { +		return 0, err +	} +	return Glyphset(id), nil +} + +type Indexvalue struct { +	Pixel uint32 +	Red   uint16 +	Green uint16 +	Blue  uint16 +	Alpha uint16 +} + +// IndexvalueRead reads a byte slice into a Indexvalue value. +func IndexvalueRead(buf []byte, v *Indexvalue) int { +	b := 0 + +	v.Pixel = xgb.Get32(buf[b:]) +	b += 4 + +	v.Red = xgb.Get16(buf[b:]) +	b += 2 + +	v.Green = xgb.Get16(buf[b:]) +	b += 2 + +	v.Blue = xgb.Get16(buf[b:]) +	b += 2 + +	v.Alpha = xgb.Get16(buf[b:]) +	b += 2 + +	return b +} + +// IndexvalueReadList reads a byte slice into a list of Indexvalue values. +func IndexvalueReadList(buf []byte, dest []Indexvalue) int { +	b := 0 +	for i := 0; i < len(dest); i++ { +		dest[i] = Indexvalue{} +		b += IndexvalueRead(buf[b:], &dest[i]) +	} +	return xgb.Pad(b) +} + +// Bytes writes a Indexvalue value to a byte slice. +func (v Indexvalue) Bytes() []byte { +	buf := make([]byte, 12) +	b := 0 + +	xgb.Put32(buf[b:], v.Pixel) +	b += 4 + +	xgb.Put16(buf[b:], v.Red) +	b += 2 + +	xgb.Put16(buf[b:], v.Green) +	b += 2 + +	xgb.Put16(buf[b:], v.Blue) +	b += 2 + +	xgb.Put16(buf[b:], v.Alpha) +	b += 2 + +	return buf[:b] +} + +// IndexvalueListBytes writes a list of Indexvalue values to a byte slice. +func IndexvalueListBytes(buf []byte, list []Indexvalue) int { +	b := 0 +	var structBytes []byte +	for _, item := range list { +		structBytes = item.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} +	return xgb.Pad(b) +} + +type Linefix struct { +	P1 Pointfix +	P2 Pointfix +} + +// LinefixRead reads a byte slice into a Linefix value. +func LinefixRead(buf []byte, v *Linefix) int { +	b := 0 + +	v.P1 = Pointfix{} +	b += PointfixRead(buf[b:], &v.P1) + +	v.P2 = Pointfix{} +	b += PointfixRead(buf[b:], &v.P2) + +	return b +} + +// LinefixReadList reads a byte slice into a list of Linefix values. +func LinefixReadList(buf []byte, dest []Linefix) int { +	b := 0 +	for i := 0; i < len(dest); i++ { +		dest[i] = Linefix{} +		b += LinefixRead(buf[b:], &dest[i]) +	} +	return xgb.Pad(b) +} + +// Bytes writes a Linefix value to a byte slice. +func (v Linefix) Bytes() []byte { +	buf := make([]byte, 16) +	b := 0 + +	{ +		structBytes := v.P1.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} + +	{ +		structBytes := v.P2.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} + +	return buf[:b] +} + +// LinefixListBytes writes a list of Linefix values to a byte slice. +func LinefixListBytes(buf []byte, list []Linefix) int { +	b := 0 +	var structBytes []byte +	for _, item := range list { +		structBytes = item.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} +	return xgb.Pad(b) +} + +// BadPictFormat is the error number for a BadPictFormat. +const BadPictFormat = 0 + +type PictFormatError struct { +	Sequence uint16 +	NiceName string +} + +// PictFormatErrorNew constructs a PictFormatError value that implements xgb.Error from a byte slice. +func PictFormatErrorNew(buf []byte) xgb.Error { +	v := PictFormatError{} +	v.NiceName = "PictFormat" + +	b := 1 // skip error determinant +	b += 1 // don't read error number + +	v.Sequence = xgb.Get16(buf[b:]) +	b += 2 + +	return v +} + +// SequenceId returns the sequence id attached to the BadPictFormat error. +// This is mostly used internally. +func (err PictFormatError) SequenceId() uint16 { +	return err.Sequence +} + +// BadId returns the 'BadValue' number if one exists for the BadPictFormat error. If no bad value exists, 0 is returned. +func (err PictFormatError) BadId() uint32 { +	return 0 +} + +// Error returns a rudimentary string representation of the BadPictFormat error. + +func (err PictFormatError) Error() string { +	fieldVals := make([]string, 0, 0) +	fieldVals = append(fieldVals, "NiceName: "+err.NiceName) +	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", err.Sequence)) +	return "BadPictFormat {" + xgb.StringsJoin(fieldVals, ", ") + "}" +} + +func init() { +	xgb.NewExtErrorFuncs["RENDER"][0] = PictFormatErrorNew +} + +// BadPictOp is the error number for a BadPictOp. +const BadPictOp = 2 + +type PictOpError struct { +	Sequence uint16 +	NiceName string +} + +// PictOpErrorNew constructs a PictOpError value that implements xgb.Error from a byte slice. +func PictOpErrorNew(buf []byte) xgb.Error { +	v := PictOpError{} +	v.NiceName = "PictOp" + +	b := 1 // skip error determinant +	b += 1 // don't read error number + +	v.Sequence = xgb.Get16(buf[b:]) +	b += 2 + +	return v +} + +// SequenceId returns the sequence id attached to the BadPictOp error. +// This is mostly used internally. +func (err PictOpError) SequenceId() uint16 { +	return err.Sequence +} + +// BadId returns the 'BadValue' number if one exists for the BadPictOp error. If no bad value exists, 0 is returned. +func (err PictOpError) BadId() uint32 { +	return 0 +} + +// Error returns a rudimentary string representation of the BadPictOp error. + +func (err PictOpError) Error() string { +	fieldVals := make([]string, 0, 0) +	fieldVals = append(fieldVals, "NiceName: "+err.NiceName) +	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", err.Sequence)) +	return "BadPictOp {" + xgb.StringsJoin(fieldVals, ", ") + "}" +} + +func init() { +	xgb.NewExtErrorFuncs["RENDER"][2] = PictOpErrorNew +} + +const ( +	PictOpClear               = 0 +	PictOpSrc                 = 1 +	PictOpDst                 = 2 +	PictOpOver                = 3 +	PictOpOverReverse         = 4 +	PictOpIn                  = 5 +	PictOpInReverse           = 6 +	PictOpOut                 = 7 +	PictOpOutReverse          = 8 +	PictOpAtop                = 9 +	PictOpAtopReverse         = 10 +	PictOpXor                 = 11 +	PictOpAdd                 = 12 +	PictOpSaturate            = 13 +	PictOpDisjointClear       = 16 +	PictOpDisjointSrc         = 17 +	PictOpDisjointDst         = 18 +	PictOpDisjointOver        = 19 +	PictOpDisjointOverReverse = 20 +	PictOpDisjointIn          = 21 +	PictOpDisjointInReverse   = 22 +	PictOpDisjointOut         = 23 +	PictOpDisjointOutReverse  = 24 +	PictOpDisjointAtop        = 25 +	PictOpDisjointAtopReverse = 26 +	PictOpDisjointXor         = 27 +	PictOpConjointClear       = 32 +	PictOpConjointSrc         = 33 +	PictOpConjointDst         = 34 +	PictOpConjointOver        = 35 +	PictOpConjointOverReverse = 36 +	PictOpConjointIn          = 37 +	PictOpConjointInReverse   = 38 +	PictOpConjointOut         = 39 +	PictOpConjointOutReverse  = 40 +	PictOpConjointAtop        = 41 +	PictOpConjointAtopReverse = 42 +	PictOpConjointXor         = 43 +	PictOpMultiply            = 48 +	PictOpScreen              = 49 +	PictOpOverlay             = 50 +	PictOpDarken              = 51 +	PictOpLighten             = 52 +	PictOpColorDodge          = 53 +	PictOpColorBurn           = 54 +	PictOpHardLight           = 55 +	PictOpSoftLight           = 56 +	PictOpDifference          = 57 +	PictOpExclusion           = 58 +	PictOpHSLHue              = 59 +	PictOpHSLSaturation       = 60 +	PictOpHSLColor            = 61 +	PictOpHSLLuminosity       = 62 +) + +const ( +	PictTypeIndexed = 0 +	PictTypeDirect  = 1 +) + +type Pictdepth struct { +	Depth byte +	// padding: 1 bytes +	NumVisuals uint16 +	// padding: 4 bytes +	Visuals []Pictvisual // size: xgb.Pad((int(NumVisuals) * 8)) +} + +// PictdepthRead reads a byte slice into a Pictdepth value. +func PictdepthRead(buf []byte, v *Pictdepth) int { +	b := 0 + +	v.Depth = buf[b] +	b += 1 + +	b += 1 // padding + +	v.NumVisuals = xgb.Get16(buf[b:]) +	b += 2 + +	b += 4 // padding + +	v.Visuals = make([]Pictvisual, v.NumVisuals) +	b += PictvisualReadList(buf[b:], v.Visuals) + +	return b +} + +// PictdepthReadList reads a byte slice into a list of Pictdepth values. +func PictdepthReadList(buf []byte, dest []Pictdepth) int { +	b := 0 +	for i := 0; i < len(dest); i++ { +		dest[i] = Pictdepth{} +		b += PictdepthRead(buf[b:], &dest[i]) +	} +	return xgb.Pad(b) +} + +// Bytes writes a Pictdepth value to a byte slice. +func (v Pictdepth) Bytes() []byte { +	buf := make([]byte, (8 + xgb.Pad((int(v.NumVisuals) * 8)))) +	b := 0 + +	buf[b] = v.Depth +	b += 1 + +	b += 1 // padding + +	xgb.Put16(buf[b:], v.NumVisuals) +	b += 2 + +	b += 4 // padding + +	b += PictvisualListBytes(buf[b:], v.Visuals) + +	return buf[:b] +} + +// PictdepthListBytes writes a list of Pictdepth values to a byte slice. +func PictdepthListBytes(buf []byte, list []Pictdepth) int { +	b := 0 +	var structBytes []byte +	for _, item := range list { +		structBytes = item.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} +	return xgb.Pad(b) +} + +// PictdepthListSize computes the size (bytes) of a list of Pictdepth values. +func PictdepthListSize(list []Pictdepth) int { +	size := 0 +	for _, item := range list { +		size += (8 + xgb.Pad((int(item.NumVisuals) * 8))) +	} +	return size +} + +type Pictformat uint32 + +func NewPictformatId(c *xgb.Conn) (Pictformat, error) { +	id, err := c.NewId() +	if err != nil { +		return 0, err +	} +	return Pictformat(id), nil +} + +type Pictforminfo struct { +	Id    Pictformat +	Type  byte +	Depth byte +	// padding: 2 bytes +	Direct   Directformat +	Colormap xproto.Colormap +} + +// PictforminfoRead reads a byte slice into a Pictforminfo value. +func PictforminfoRead(buf []byte, v *Pictforminfo) int { +	b := 0 + +	v.Id = Pictformat(xgb.Get32(buf[b:])) +	b += 4 + +	v.Type = buf[b] +	b += 1 + +	v.Depth = buf[b] +	b += 1 + +	b += 2 // padding + +	v.Direct = Directformat{} +	b += DirectformatRead(buf[b:], &v.Direct) + +	v.Colormap = xproto.Colormap(xgb.Get32(buf[b:])) +	b += 4 + +	return b +} + +// PictforminfoReadList reads a byte slice into a list of Pictforminfo values. +func PictforminfoReadList(buf []byte, dest []Pictforminfo) int { +	b := 0 +	for i := 0; i < len(dest); i++ { +		dest[i] = Pictforminfo{} +		b += PictforminfoRead(buf[b:], &dest[i]) +	} +	return xgb.Pad(b) +} + +// Bytes writes a Pictforminfo value to a byte slice. +func (v Pictforminfo) Bytes() []byte { +	buf := make([]byte, 28) +	b := 0 + +	xgb.Put32(buf[b:], uint32(v.Id)) +	b += 4 + +	buf[b] = v.Type +	b += 1 + +	buf[b] = v.Depth +	b += 1 + +	b += 2 // padding + +	{ +		structBytes := v.Direct.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} + +	xgb.Put32(buf[b:], uint32(v.Colormap)) +	b += 4 + +	return buf[:b] +} + +// PictforminfoListBytes writes a list of Pictforminfo values to a byte slice. +func PictforminfoListBytes(buf []byte, list []Pictforminfo) int { +	b := 0 +	var structBytes []byte +	for _, item := range list { +		structBytes = item.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} +	return xgb.Pad(b) +} + +type Pictscreen struct { +	NumDepths uint32 +	Fallback  Pictformat +	Depths    []Pictdepth // size: PictdepthListSize(Depths) +} + +// PictscreenRead reads a byte slice into a Pictscreen value. +func PictscreenRead(buf []byte, v *Pictscreen) int { +	b := 0 + +	v.NumDepths = xgb.Get32(buf[b:]) +	b += 4 + +	v.Fallback = Pictformat(xgb.Get32(buf[b:])) +	b += 4 + +	v.Depths = make([]Pictdepth, v.NumDepths) +	b += PictdepthReadList(buf[b:], v.Depths) + +	return b +} + +// PictscreenReadList reads a byte slice into a list of Pictscreen values. +func PictscreenReadList(buf []byte, dest []Pictscreen) int { +	b := 0 +	for i := 0; i < len(dest); i++ { +		dest[i] = Pictscreen{} +		b += PictscreenRead(buf[b:], &dest[i]) +	} +	return xgb.Pad(b) +} + +// Bytes writes a Pictscreen value to a byte slice. +func (v Pictscreen) Bytes() []byte { +	buf := make([]byte, (8 + PictdepthListSize(v.Depths))) +	b := 0 + +	xgb.Put32(buf[b:], v.NumDepths) +	b += 4 + +	xgb.Put32(buf[b:], uint32(v.Fallback)) +	b += 4 + +	b += PictdepthListBytes(buf[b:], v.Depths) + +	return buf[:b] +} + +// PictscreenListBytes writes a list of Pictscreen values to a byte slice. +func PictscreenListBytes(buf []byte, list []Pictscreen) int { +	b := 0 +	var structBytes []byte +	for _, item := range list { +		structBytes = item.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} +	return xgb.Pad(b) +} + +// PictscreenListSize computes the size (bytes) of a list of Pictscreen values. +func PictscreenListSize(list []Pictscreen) int { +	size := 0 +	for _, item := range list { +		size += (8 + PictdepthListSize(item.Depths)) +	} +	return size +} + +type Picture uint32 + +func NewPictureId(c *xgb.Conn) (Picture, error) { +	id, err := c.NewId() +	if err != nil { +		return 0, err +	} +	return Picture(id), nil +} + +// BadPicture is the error number for a BadPicture. +const BadPicture = 1 + +type PictureError struct { +	Sequence uint16 +	NiceName string +} + +// PictureErrorNew constructs a PictureError value that implements xgb.Error from a byte slice. +func PictureErrorNew(buf []byte) xgb.Error { +	v := PictureError{} +	v.NiceName = "Picture" + +	b := 1 // skip error determinant +	b += 1 // don't read error number + +	v.Sequence = xgb.Get16(buf[b:]) +	b += 2 + +	return v +} + +// SequenceId returns the sequence id attached to the BadPicture error. +// This is mostly used internally. +func (err PictureError) SequenceId() uint16 { +	return err.Sequence +} + +// BadId returns the 'BadValue' number if one exists for the BadPicture error. If no bad value exists, 0 is returned. +func (err PictureError) BadId() uint32 { +	return 0 +} + +// Error returns a rudimentary string representation of the BadPicture error. + +func (err PictureError) Error() string { +	fieldVals := make([]string, 0, 0) +	fieldVals = append(fieldVals, "NiceName: "+err.NiceName) +	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", err.Sequence)) +	return "BadPicture {" + xgb.StringsJoin(fieldVals, ", ") + "}" +} + +func init() { +	xgb.NewExtErrorFuncs["RENDER"][1] = PictureErrorNew +} + +const ( +	PictureNone = 0 +) + +type Pictvisual struct { +	Visual xproto.Visualid +	Format Pictformat +} + +// PictvisualRead reads a byte slice into a Pictvisual value. +func PictvisualRead(buf []byte, v *Pictvisual) int { +	b := 0 + +	v.Visual = xproto.Visualid(xgb.Get32(buf[b:])) +	b += 4 + +	v.Format = Pictformat(xgb.Get32(buf[b:])) +	b += 4 + +	return b +} + +// PictvisualReadList reads a byte slice into a list of Pictvisual values. +func PictvisualReadList(buf []byte, dest []Pictvisual) int { +	b := 0 +	for i := 0; i < len(dest); i++ { +		dest[i] = Pictvisual{} +		b += PictvisualRead(buf[b:], &dest[i]) +	} +	return xgb.Pad(b) +} + +// Bytes writes a Pictvisual value to a byte slice. +func (v Pictvisual) Bytes() []byte { +	buf := make([]byte, 8) +	b := 0 + +	xgb.Put32(buf[b:], uint32(v.Visual)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(v.Format)) +	b += 4 + +	return buf[:b] +} + +// PictvisualListBytes writes a list of Pictvisual values to a byte slice. +func PictvisualListBytes(buf []byte, list []Pictvisual) int { +	b := 0 +	var structBytes []byte +	for _, item := range list { +		structBytes = item.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} +	return xgb.Pad(b) +} + +type Pointfix struct { +	X Fixed +	Y Fixed +} + +// PointfixRead reads a byte slice into a Pointfix value. +func PointfixRead(buf []byte, v *Pointfix) int { +	b := 0 + +	v.X = Fixed(xgb.Get32(buf[b:])) +	b += 4 + +	v.Y = Fixed(xgb.Get32(buf[b:])) +	b += 4 + +	return b +} + +// PointfixReadList reads a byte slice into a list of Pointfix values. +func PointfixReadList(buf []byte, dest []Pointfix) int { +	b := 0 +	for i := 0; i < len(dest); i++ { +		dest[i] = Pointfix{} +		b += PointfixRead(buf[b:], &dest[i]) +	} +	return xgb.Pad(b) +} + +// Bytes writes a Pointfix value to a byte slice. +func (v Pointfix) Bytes() []byte { +	buf := make([]byte, 8) +	b := 0 + +	xgb.Put32(buf[b:], uint32(v.X)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(v.Y)) +	b += 4 + +	return buf[:b] +} + +// PointfixListBytes writes a list of Pointfix values to a byte slice. +func PointfixListBytes(buf []byte, list []Pointfix) int { +	b := 0 +	var structBytes []byte +	for _, item := range list { +		structBytes = item.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} +	return xgb.Pad(b) +} + +const ( +	PolyEdgeSharp  = 0 +	PolyEdgeSmooth = 1 +) + +const ( +	PolyModePrecise   = 0 +	PolyModeImprecise = 1 +) + +const ( +	RepeatNone    = 0 +	RepeatNormal  = 1 +	RepeatPad     = 2 +	RepeatReflect = 3 +) + +type Spanfix struct { +	L Fixed +	R Fixed +	Y Fixed +} + +// SpanfixRead reads a byte slice into a Spanfix value. +func SpanfixRead(buf []byte, v *Spanfix) int { +	b := 0 + +	v.L = Fixed(xgb.Get32(buf[b:])) +	b += 4 + +	v.R = Fixed(xgb.Get32(buf[b:])) +	b += 4 + +	v.Y = Fixed(xgb.Get32(buf[b:])) +	b += 4 + +	return b +} + +// SpanfixReadList reads a byte slice into a list of Spanfix values. +func SpanfixReadList(buf []byte, dest []Spanfix) int { +	b := 0 +	for i := 0; i < len(dest); i++ { +		dest[i] = Spanfix{} +		b += SpanfixRead(buf[b:], &dest[i]) +	} +	return xgb.Pad(b) +} + +// Bytes writes a Spanfix value to a byte slice. +func (v Spanfix) Bytes() []byte { +	buf := make([]byte, 12) +	b := 0 + +	xgb.Put32(buf[b:], uint32(v.L)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(v.R)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(v.Y)) +	b += 4 + +	return buf[:b] +} + +// SpanfixListBytes writes a list of Spanfix values to a byte slice. +func SpanfixListBytes(buf []byte, list []Spanfix) int { +	b := 0 +	var structBytes []byte +	for _, item := range list { +		structBytes = item.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} +	return xgb.Pad(b) +} + +const ( +	SubPixelUnknown       = 0 +	SubPixelHorizontalRGB = 1 +	SubPixelHorizontalBGR = 2 +	SubPixelVerticalRGB   = 3 +	SubPixelVerticalBGR   = 4 +	SubPixelNone          = 5 +) + +type Transform struct { +	Matrix11 Fixed +	Matrix12 Fixed +	Matrix13 Fixed +	Matrix21 Fixed +	Matrix22 Fixed +	Matrix23 Fixed +	Matrix31 Fixed +	Matrix32 Fixed +	Matrix33 Fixed +} + +// TransformRead reads a byte slice into a Transform value. +func TransformRead(buf []byte, v *Transform) int { +	b := 0 + +	v.Matrix11 = Fixed(xgb.Get32(buf[b:])) +	b += 4 + +	v.Matrix12 = Fixed(xgb.Get32(buf[b:])) +	b += 4 + +	v.Matrix13 = Fixed(xgb.Get32(buf[b:])) +	b += 4 + +	v.Matrix21 = Fixed(xgb.Get32(buf[b:])) +	b += 4 + +	v.Matrix22 = Fixed(xgb.Get32(buf[b:])) +	b += 4 + +	v.Matrix23 = Fixed(xgb.Get32(buf[b:])) +	b += 4 + +	v.Matrix31 = Fixed(xgb.Get32(buf[b:])) +	b += 4 + +	v.Matrix32 = Fixed(xgb.Get32(buf[b:])) +	b += 4 + +	v.Matrix33 = Fixed(xgb.Get32(buf[b:])) +	b += 4 + +	return b +} + +// TransformReadList reads a byte slice into a list of Transform values. +func TransformReadList(buf []byte, dest []Transform) int { +	b := 0 +	for i := 0; i < len(dest); i++ { +		dest[i] = Transform{} +		b += TransformRead(buf[b:], &dest[i]) +	} +	return xgb.Pad(b) +} + +// Bytes writes a Transform value to a byte slice. +func (v Transform) Bytes() []byte { +	buf := make([]byte, 36) +	b := 0 + +	xgb.Put32(buf[b:], uint32(v.Matrix11)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(v.Matrix12)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(v.Matrix13)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(v.Matrix21)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(v.Matrix22)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(v.Matrix23)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(v.Matrix31)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(v.Matrix32)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(v.Matrix33)) +	b += 4 + +	return buf[:b] +} + +// TransformListBytes writes a list of Transform values to a byte slice. +func TransformListBytes(buf []byte, list []Transform) int { +	b := 0 +	var structBytes []byte +	for _, item := range list { +		structBytes = item.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} +	return xgb.Pad(b) +} + +type Trap struct { +	Top Spanfix +	Bot Spanfix +} + +// TrapRead reads a byte slice into a Trap value. +func TrapRead(buf []byte, v *Trap) int { +	b := 0 + +	v.Top = Spanfix{} +	b += SpanfixRead(buf[b:], &v.Top) + +	v.Bot = Spanfix{} +	b += SpanfixRead(buf[b:], &v.Bot) + +	return b +} + +// TrapReadList reads a byte slice into a list of Trap values. +func TrapReadList(buf []byte, dest []Trap) int { +	b := 0 +	for i := 0; i < len(dest); i++ { +		dest[i] = Trap{} +		b += TrapRead(buf[b:], &dest[i]) +	} +	return xgb.Pad(b) +} + +// Bytes writes a Trap value to a byte slice. +func (v Trap) Bytes() []byte { +	buf := make([]byte, 24) +	b := 0 + +	{ +		structBytes := v.Top.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} + +	{ +		structBytes := v.Bot.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} + +	return buf[:b] +} + +// TrapListBytes writes a list of Trap values to a byte slice. +func TrapListBytes(buf []byte, list []Trap) int { +	b := 0 +	var structBytes []byte +	for _, item := range list { +		structBytes = item.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} +	return xgb.Pad(b) +} + +type Trapezoid struct { +	Top    Fixed +	Bottom Fixed +	Left   Linefix +	Right  Linefix +} + +// TrapezoidRead reads a byte slice into a Trapezoid value. +func TrapezoidRead(buf []byte, v *Trapezoid) int { +	b := 0 + +	v.Top = Fixed(xgb.Get32(buf[b:])) +	b += 4 + +	v.Bottom = Fixed(xgb.Get32(buf[b:])) +	b += 4 + +	v.Left = Linefix{} +	b += LinefixRead(buf[b:], &v.Left) + +	v.Right = Linefix{} +	b += LinefixRead(buf[b:], &v.Right) + +	return b +} + +// TrapezoidReadList reads a byte slice into a list of Trapezoid values. +func TrapezoidReadList(buf []byte, dest []Trapezoid) int { +	b := 0 +	for i := 0; i < len(dest); i++ { +		dest[i] = Trapezoid{} +		b += TrapezoidRead(buf[b:], &dest[i]) +	} +	return xgb.Pad(b) +} + +// Bytes writes a Trapezoid value to a byte slice. +func (v Trapezoid) Bytes() []byte { +	buf := make([]byte, 40) +	b := 0 + +	xgb.Put32(buf[b:], uint32(v.Top)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(v.Bottom)) +	b += 4 + +	{ +		structBytes := v.Left.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} + +	{ +		structBytes := v.Right.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} + +	return buf[:b] +} + +// TrapezoidListBytes writes a list of Trapezoid values to a byte slice. +func TrapezoidListBytes(buf []byte, list []Trapezoid) int { +	b := 0 +	var structBytes []byte +	for _, item := range list { +		structBytes = item.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} +	return xgb.Pad(b) +} + +type Triangle struct { +	P1 Pointfix +	P2 Pointfix +	P3 Pointfix +} + +// TriangleRead reads a byte slice into a Triangle value. +func TriangleRead(buf []byte, v *Triangle) int { +	b := 0 + +	v.P1 = Pointfix{} +	b += PointfixRead(buf[b:], &v.P1) + +	v.P2 = Pointfix{} +	b += PointfixRead(buf[b:], &v.P2) + +	v.P3 = Pointfix{} +	b += PointfixRead(buf[b:], &v.P3) + +	return b +} + +// TriangleReadList reads a byte slice into a list of Triangle values. +func TriangleReadList(buf []byte, dest []Triangle) int { +	b := 0 +	for i := 0; i < len(dest); i++ { +		dest[i] = Triangle{} +		b += TriangleRead(buf[b:], &dest[i]) +	} +	return xgb.Pad(b) +} + +// Bytes writes a Triangle value to a byte slice. +func (v Triangle) Bytes() []byte { +	buf := make([]byte, 24) +	b := 0 + +	{ +		structBytes := v.P1.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} + +	{ +		structBytes := v.P2.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} + +	{ +		structBytes := v.P3.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} + +	return buf[:b] +} + +// TriangleListBytes writes a list of Triangle values to a byte slice. +func TriangleListBytes(buf []byte, list []Triangle) int { +	b := 0 +	var structBytes []byte +	for _, item := range list { +		structBytes = item.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} +	return xgb.Pad(b) +} + +// Skipping definition for base type 'Bool' + +// Skipping definition for base type 'Byte' + +// Skipping definition for base type 'Card8' + +// Skipping definition for base type 'Char' + +// Skipping definition for base type 'Void' + +// Skipping definition for base type 'Double' + +// Skipping definition for base type 'Float' + +// Skipping definition for base type 'Int16' + +// Skipping definition for base type 'Int32' + +// Skipping definition for base type 'Int8' + +// Skipping definition for base type 'Card16' + +// Skipping definition for base type 'Card32' + +// AddGlyphsCookie is a cookie used only for AddGlyphs requests. +type AddGlyphsCookie struct { +	*xgb.Cookie +} + +// AddGlyphs sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func AddGlyphs(c *xgb.Conn, Glyphset Glyphset, GlyphsLen uint32, Glyphids []uint32, Glyphs []Glyphinfo, Data []byte) AddGlyphsCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'AddGlyphs' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(false, false) +	c.NewRequest(addGlyphsRequest(c, Glyphset, GlyphsLen, Glyphids, Glyphs, Data), cookie) +	return AddGlyphsCookie{cookie} +} + +// AddGlyphsChecked sends a checked request. +// If an error occurs, it can be retrieved using AddGlyphsCookie.Check() +func AddGlyphsChecked(c *xgb.Conn, Glyphset Glyphset, GlyphsLen uint32, Glyphids []uint32, Glyphs []Glyphinfo, Data []byte) AddGlyphsCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'AddGlyphs' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(true, false) +	c.NewRequest(addGlyphsRequest(c, Glyphset, GlyphsLen, Glyphids, Glyphs, Data), cookie) +	return AddGlyphsCookie{cookie} +} + +// Check returns an error if one occurred for checked requests that are not expecting a reply. +// This cannot be called for requests expecting a reply, nor for unchecked requests. +func (cook AddGlyphsCookie) Check() error { +	return cook.Cookie.Check() +} + +// Write request to wire for AddGlyphs +// addGlyphsRequest writes a AddGlyphs request to a byte slice. +func addGlyphsRequest(c *xgb.Conn, Glyphset Glyphset, GlyphsLen uint32, Glyphids []uint32, Glyphs []Glyphinfo, Data []byte) []byte { +	size := xgb.Pad((((12 + xgb.Pad((int(GlyphsLen) * 4))) + xgb.Pad((int(GlyphsLen) * 12))) + xgb.Pad((len(Data) * 1)))) +	b := 0 +	buf := make([]byte, size) + +	c.ExtLock.RLock() +	buf[b] = c.Extensions["RENDER"] +	c.ExtLock.RUnlock() +	b += 1 + +	buf[b] = 20 // request opcode +	b += 1 + +	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units +	b += 2 + +	xgb.Put32(buf[b:], uint32(Glyphset)) +	b += 4 + +	xgb.Put32(buf[b:], GlyphsLen) +	b += 4 + +	for i := 0; i < int(GlyphsLen); i++ { +		xgb.Put32(buf[b:], Glyphids[i]) +		b += 4 +	} + +	b += GlyphinfoListBytes(buf[b:], Glyphs) + +	copy(buf[b:], Data[:len(Data)]) +	b += int(len(Data)) + +	return buf +} + +// AddTrapsCookie is a cookie used only for AddTraps requests. +type AddTrapsCookie struct { +	*xgb.Cookie +} + +// AddTraps sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func AddTraps(c *xgb.Conn, Picture Picture, XOff int16, YOff int16, Traps []Trap) AddTrapsCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'AddTraps' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(false, false) +	c.NewRequest(addTrapsRequest(c, Picture, XOff, YOff, Traps), cookie) +	return AddTrapsCookie{cookie} +} + +// AddTrapsChecked sends a checked request. +// If an error occurs, it can be retrieved using AddTrapsCookie.Check() +func AddTrapsChecked(c *xgb.Conn, Picture Picture, XOff int16, YOff int16, Traps []Trap) AddTrapsCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'AddTraps' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(true, false) +	c.NewRequest(addTrapsRequest(c, Picture, XOff, YOff, Traps), cookie) +	return AddTrapsCookie{cookie} +} + +// Check returns an error if one occurred for checked requests that are not expecting a reply. +// This cannot be called for requests expecting a reply, nor for unchecked requests. +func (cook AddTrapsCookie) Check() error { +	return cook.Cookie.Check() +} + +// Write request to wire for AddTraps +// addTrapsRequest writes a AddTraps request to a byte slice. +func addTrapsRequest(c *xgb.Conn, Picture Picture, XOff int16, YOff int16, Traps []Trap) []byte { +	size := xgb.Pad((12 + xgb.Pad((len(Traps) * 24)))) +	b := 0 +	buf := make([]byte, size) + +	c.ExtLock.RLock() +	buf[b] = c.Extensions["RENDER"] +	c.ExtLock.RUnlock() +	b += 1 + +	buf[b] = 32 // request opcode +	b += 1 + +	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units +	b += 2 + +	xgb.Put32(buf[b:], uint32(Picture)) +	b += 4 + +	xgb.Put16(buf[b:], uint16(XOff)) +	b += 2 + +	xgb.Put16(buf[b:], uint16(YOff)) +	b += 2 + +	b += TrapListBytes(buf[b:], Traps) + +	return buf +} + +// ChangePictureCookie is a cookie used only for ChangePicture requests. +type ChangePictureCookie struct { +	*xgb.Cookie +} + +// ChangePicture sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func ChangePicture(c *xgb.Conn, Picture Picture, ValueMask uint32, ValueList []uint32) ChangePictureCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'ChangePicture' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(false, false) +	c.NewRequest(changePictureRequest(c, Picture, ValueMask, ValueList), cookie) +	return ChangePictureCookie{cookie} +} + +// ChangePictureChecked sends a checked request. +// If an error occurs, it can be retrieved using ChangePictureCookie.Check() +func ChangePictureChecked(c *xgb.Conn, Picture Picture, ValueMask uint32, ValueList []uint32) ChangePictureCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'ChangePicture' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(true, false) +	c.NewRequest(changePictureRequest(c, Picture, ValueMask, ValueList), cookie) +	return ChangePictureCookie{cookie} +} + +// Check returns an error if one occurred for checked requests that are not expecting a reply. +// This cannot be called for requests expecting a reply, nor for unchecked requests. +func (cook ChangePictureCookie) Check() error { +	return cook.Cookie.Check() +} + +// Write request to wire for ChangePicture +// changePictureRequest writes a ChangePicture request to a byte slice. +func changePictureRequest(c *xgb.Conn, Picture Picture, ValueMask uint32, ValueList []uint32) []byte { +	size := xgb.Pad((12 + xgb.Pad((4 * xgb.PopCount(int(ValueMask)))))) +	b := 0 +	buf := make([]byte, size) + +	c.ExtLock.RLock() +	buf[b] = c.Extensions["RENDER"] +	c.ExtLock.RUnlock() +	b += 1 + +	buf[b] = 5 // request opcode +	b += 1 + +	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units +	b += 2 + +	xgb.Put32(buf[b:], uint32(Picture)) +	b += 4 + +	xgb.Put32(buf[b:], ValueMask) +	b += 4 + +	for i := 0; i < xgb.PopCount(int(ValueMask)); i++ { +		xgb.Put32(buf[b:], ValueList[i]) +		b += 4 +	} +	b = xgb.Pad(b) + +	return buf +} + +// CompositeCookie is a cookie used only for Composite requests. +type CompositeCookie struct { +	*xgb.Cookie +} + +// Composite sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func Composite(c *xgb.Conn, Op byte, Src Picture, Mask Picture, Dst Picture, SrcX int16, SrcY int16, MaskX int16, MaskY int16, DstX int16, DstY int16, Width uint16, Height uint16) CompositeCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'Composite' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(false, false) +	c.NewRequest(compositeRequest(c, Op, Src, Mask, Dst, SrcX, SrcY, MaskX, MaskY, DstX, DstY, Width, Height), cookie) +	return CompositeCookie{cookie} +} + +// CompositeChecked sends a checked request. +// If an error occurs, it can be retrieved using CompositeCookie.Check() +func CompositeChecked(c *xgb.Conn, Op byte, Src Picture, Mask Picture, Dst Picture, SrcX int16, SrcY int16, MaskX int16, MaskY int16, DstX int16, DstY int16, Width uint16, Height uint16) CompositeCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'Composite' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(true, false) +	c.NewRequest(compositeRequest(c, Op, Src, Mask, Dst, SrcX, SrcY, MaskX, MaskY, DstX, DstY, Width, Height), cookie) +	return CompositeCookie{cookie} +} + +// Check returns an error if one occurred for checked requests that are not expecting a reply. +// This cannot be called for requests expecting a reply, nor for unchecked requests. +func (cook CompositeCookie) Check() error { +	return cook.Cookie.Check() +} + +// Write request to wire for Composite +// compositeRequest writes a Composite request to a byte slice. +func compositeRequest(c *xgb.Conn, Op byte, Src Picture, Mask Picture, Dst Picture, SrcX int16, SrcY int16, MaskX int16, MaskY int16, DstX int16, DstY int16, Width uint16, Height uint16) []byte { +	size := 36 +	b := 0 +	buf := make([]byte, size) + +	c.ExtLock.RLock() +	buf[b] = c.Extensions["RENDER"] +	c.ExtLock.RUnlock() +	b += 1 + +	buf[b] = 8 // request opcode +	b += 1 + +	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units +	b += 2 + +	buf[b] = Op +	b += 1 + +	b += 3 // padding + +	xgb.Put32(buf[b:], uint32(Src)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(Mask)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(Dst)) +	b += 4 + +	xgb.Put16(buf[b:], uint16(SrcX)) +	b += 2 + +	xgb.Put16(buf[b:], uint16(SrcY)) +	b += 2 + +	xgb.Put16(buf[b:], uint16(MaskX)) +	b += 2 + +	xgb.Put16(buf[b:], uint16(MaskY)) +	b += 2 + +	xgb.Put16(buf[b:], uint16(DstX)) +	b += 2 + +	xgb.Put16(buf[b:], uint16(DstY)) +	b += 2 + +	xgb.Put16(buf[b:], Width) +	b += 2 + +	xgb.Put16(buf[b:], Height) +	b += 2 + +	return buf +} + +// CompositeGlyphs16Cookie is a cookie used only for CompositeGlyphs16 requests. +type CompositeGlyphs16Cookie struct { +	*xgb.Cookie +} + +// CompositeGlyphs16 sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func CompositeGlyphs16(c *xgb.Conn, Op byte, Src Picture, Dst Picture, MaskFormat Pictformat, Glyphset Glyphset, SrcX int16, SrcY int16, Glyphcmds []byte) CompositeGlyphs16Cookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'CompositeGlyphs16' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(false, false) +	c.NewRequest(compositeGlyphs16Request(c, Op, Src, Dst, MaskFormat, Glyphset, SrcX, SrcY, Glyphcmds), cookie) +	return CompositeGlyphs16Cookie{cookie} +} + +// CompositeGlyphs16Checked sends a checked request. +// If an error occurs, it can be retrieved using CompositeGlyphs16Cookie.Check() +func CompositeGlyphs16Checked(c *xgb.Conn, Op byte, Src Picture, Dst Picture, MaskFormat Pictformat, Glyphset Glyphset, SrcX int16, SrcY int16, Glyphcmds []byte) CompositeGlyphs16Cookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'CompositeGlyphs16' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(true, false) +	c.NewRequest(compositeGlyphs16Request(c, Op, Src, Dst, MaskFormat, Glyphset, SrcX, SrcY, Glyphcmds), cookie) +	return CompositeGlyphs16Cookie{cookie} +} + +// Check returns an error if one occurred for checked requests that are not expecting a reply. +// This cannot be called for requests expecting a reply, nor for unchecked requests. +func (cook CompositeGlyphs16Cookie) Check() error { +	return cook.Cookie.Check() +} + +// Write request to wire for CompositeGlyphs16 +// compositeGlyphs16Request writes a CompositeGlyphs16 request to a byte slice. +func compositeGlyphs16Request(c *xgb.Conn, Op byte, Src Picture, Dst Picture, MaskFormat Pictformat, Glyphset Glyphset, SrcX int16, SrcY int16, Glyphcmds []byte) []byte { +	size := xgb.Pad((28 + xgb.Pad((len(Glyphcmds) * 1)))) +	b := 0 +	buf := make([]byte, size) + +	c.ExtLock.RLock() +	buf[b] = c.Extensions["RENDER"] +	c.ExtLock.RUnlock() +	b += 1 + +	buf[b] = 24 // request opcode +	b += 1 + +	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units +	b += 2 + +	buf[b] = Op +	b += 1 + +	b += 3 // padding + +	xgb.Put32(buf[b:], uint32(Src)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(Dst)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(MaskFormat)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(Glyphset)) +	b += 4 + +	xgb.Put16(buf[b:], uint16(SrcX)) +	b += 2 + +	xgb.Put16(buf[b:], uint16(SrcY)) +	b += 2 + +	copy(buf[b:], Glyphcmds[:len(Glyphcmds)]) +	b += int(len(Glyphcmds)) + +	return buf +} + +// CompositeGlyphs32Cookie is a cookie used only for CompositeGlyphs32 requests. +type CompositeGlyphs32Cookie struct { +	*xgb.Cookie +} + +// CompositeGlyphs32 sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func CompositeGlyphs32(c *xgb.Conn, Op byte, Src Picture, Dst Picture, MaskFormat Pictformat, Glyphset Glyphset, SrcX int16, SrcY int16, Glyphcmds []byte) CompositeGlyphs32Cookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'CompositeGlyphs32' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(false, false) +	c.NewRequest(compositeGlyphs32Request(c, Op, Src, Dst, MaskFormat, Glyphset, SrcX, SrcY, Glyphcmds), cookie) +	return CompositeGlyphs32Cookie{cookie} +} + +// CompositeGlyphs32Checked sends a checked request. +// If an error occurs, it can be retrieved using CompositeGlyphs32Cookie.Check() +func CompositeGlyphs32Checked(c *xgb.Conn, Op byte, Src Picture, Dst Picture, MaskFormat Pictformat, Glyphset Glyphset, SrcX int16, SrcY int16, Glyphcmds []byte) CompositeGlyphs32Cookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'CompositeGlyphs32' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(true, false) +	c.NewRequest(compositeGlyphs32Request(c, Op, Src, Dst, MaskFormat, Glyphset, SrcX, SrcY, Glyphcmds), cookie) +	return CompositeGlyphs32Cookie{cookie} +} + +// Check returns an error if one occurred for checked requests that are not expecting a reply. +// This cannot be called for requests expecting a reply, nor for unchecked requests. +func (cook CompositeGlyphs32Cookie) Check() error { +	return cook.Cookie.Check() +} + +// Write request to wire for CompositeGlyphs32 +// compositeGlyphs32Request writes a CompositeGlyphs32 request to a byte slice. +func compositeGlyphs32Request(c *xgb.Conn, Op byte, Src Picture, Dst Picture, MaskFormat Pictformat, Glyphset Glyphset, SrcX int16, SrcY int16, Glyphcmds []byte) []byte { +	size := xgb.Pad((28 + xgb.Pad((len(Glyphcmds) * 1)))) +	b := 0 +	buf := make([]byte, size) + +	c.ExtLock.RLock() +	buf[b] = c.Extensions["RENDER"] +	c.ExtLock.RUnlock() +	b += 1 + +	buf[b] = 25 // request opcode +	b += 1 + +	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units +	b += 2 + +	buf[b] = Op +	b += 1 + +	b += 3 // padding + +	xgb.Put32(buf[b:], uint32(Src)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(Dst)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(MaskFormat)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(Glyphset)) +	b += 4 + +	xgb.Put16(buf[b:], uint16(SrcX)) +	b += 2 + +	xgb.Put16(buf[b:], uint16(SrcY)) +	b += 2 + +	copy(buf[b:], Glyphcmds[:len(Glyphcmds)]) +	b += int(len(Glyphcmds)) + +	return buf +} + +// CompositeGlyphs8Cookie is a cookie used only for CompositeGlyphs8 requests. +type CompositeGlyphs8Cookie struct { +	*xgb.Cookie +} + +// CompositeGlyphs8 sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func CompositeGlyphs8(c *xgb.Conn, Op byte, Src Picture, Dst Picture, MaskFormat Pictformat, Glyphset Glyphset, SrcX int16, SrcY int16, Glyphcmds []byte) CompositeGlyphs8Cookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'CompositeGlyphs8' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(false, false) +	c.NewRequest(compositeGlyphs8Request(c, Op, Src, Dst, MaskFormat, Glyphset, SrcX, SrcY, Glyphcmds), cookie) +	return CompositeGlyphs8Cookie{cookie} +} + +// CompositeGlyphs8Checked sends a checked request. +// If an error occurs, it can be retrieved using CompositeGlyphs8Cookie.Check() +func CompositeGlyphs8Checked(c *xgb.Conn, Op byte, Src Picture, Dst Picture, MaskFormat Pictformat, Glyphset Glyphset, SrcX int16, SrcY int16, Glyphcmds []byte) CompositeGlyphs8Cookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'CompositeGlyphs8' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(true, false) +	c.NewRequest(compositeGlyphs8Request(c, Op, Src, Dst, MaskFormat, Glyphset, SrcX, SrcY, Glyphcmds), cookie) +	return CompositeGlyphs8Cookie{cookie} +} + +// Check returns an error if one occurred for checked requests that are not expecting a reply. +// This cannot be called for requests expecting a reply, nor for unchecked requests. +func (cook CompositeGlyphs8Cookie) Check() error { +	return cook.Cookie.Check() +} + +// Write request to wire for CompositeGlyphs8 +// compositeGlyphs8Request writes a CompositeGlyphs8 request to a byte slice. +func compositeGlyphs8Request(c *xgb.Conn, Op byte, Src Picture, Dst Picture, MaskFormat Pictformat, Glyphset Glyphset, SrcX int16, SrcY int16, Glyphcmds []byte) []byte { +	size := xgb.Pad((28 + xgb.Pad((len(Glyphcmds) * 1)))) +	b := 0 +	buf := make([]byte, size) + +	c.ExtLock.RLock() +	buf[b] = c.Extensions["RENDER"] +	c.ExtLock.RUnlock() +	b += 1 + +	buf[b] = 23 // request opcode +	b += 1 + +	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units +	b += 2 + +	buf[b] = Op +	b += 1 + +	b += 3 // padding + +	xgb.Put32(buf[b:], uint32(Src)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(Dst)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(MaskFormat)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(Glyphset)) +	b += 4 + +	xgb.Put16(buf[b:], uint16(SrcX)) +	b += 2 + +	xgb.Put16(buf[b:], uint16(SrcY)) +	b += 2 + +	copy(buf[b:], Glyphcmds[:len(Glyphcmds)]) +	b += int(len(Glyphcmds)) + +	return buf +} + +// CreateAnimCursorCookie is a cookie used only for CreateAnimCursor requests. +type CreateAnimCursorCookie struct { +	*xgb.Cookie +} + +// CreateAnimCursor sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func CreateAnimCursor(c *xgb.Conn, Cid xproto.Cursor, Cursors []Animcursorelt) CreateAnimCursorCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'CreateAnimCursor' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(false, false) +	c.NewRequest(createAnimCursorRequest(c, Cid, Cursors), cookie) +	return CreateAnimCursorCookie{cookie} +} + +// CreateAnimCursorChecked sends a checked request. +// If an error occurs, it can be retrieved using CreateAnimCursorCookie.Check() +func CreateAnimCursorChecked(c *xgb.Conn, Cid xproto.Cursor, Cursors []Animcursorelt) CreateAnimCursorCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'CreateAnimCursor' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(true, false) +	c.NewRequest(createAnimCursorRequest(c, Cid, Cursors), cookie) +	return CreateAnimCursorCookie{cookie} +} + +// Check returns an error if one occurred for checked requests that are not expecting a reply. +// This cannot be called for requests expecting a reply, nor for unchecked requests. +func (cook CreateAnimCursorCookie) Check() error { +	return cook.Cookie.Check() +} + +// Write request to wire for CreateAnimCursor +// createAnimCursorRequest writes a CreateAnimCursor request to a byte slice. +func createAnimCursorRequest(c *xgb.Conn, Cid xproto.Cursor, Cursors []Animcursorelt) []byte { +	size := xgb.Pad((8 + xgb.Pad((len(Cursors) * 8)))) +	b := 0 +	buf := make([]byte, size) + +	c.ExtLock.RLock() +	buf[b] = c.Extensions["RENDER"] +	c.ExtLock.RUnlock() +	b += 1 + +	buf[b] = 31 // request opcode +	b += 1 + +	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units +	b += 2 + +	xgb.Put32(buf[b:], uint32(Cid)) +	b += 4 + +	b += AnimcursoreltListBytes(buf[b:], Cursors) + +	return buf +} + +// CreateConicalGradientCookie is a cookie used only for CreateConicalGradient requests. +type CreateConicalGradientCookie struct { +	*xgb.Cookie +} + +// CreateConicalGradient sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func CreateConicalGradient(c *xgb.Conn, Picture Picture, Center Pointfix, Angle Fixed, NumStops uint32, Stops []Fixed, Colors []Color) CreateConicalGradientCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'CreateConicalGradient' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(false, false) +	c.NewRequest(createConicalGradientRequest(c, Picture, Center, Angle, NumStops, Stops, Colors), cookie) +	return CreateConicalGradientCookie{cookie} +} + +// CreateConicalGradientChecked sends a checked request. +// If an error occurs, it can be retrieved using CreateConicalGradientCookie.Check() +func CreateConicalGradientChecked(c *xgb.Conn, Picture Picture, Center Pointfix, Angle Fixed, NumStops uint32, Stops []Fixed, Colors []Color) CreateConicalGradientCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'CreateConicalGradient' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(true, false) +	c.NewRequest(createConicalGradientRequest(c, Picture, Center, Angle, NumStops, Stops, Colors), cookie) +	return CreateConicalGradientCookie{cookie} +} + +// Check returns an error if one occurred for checked requests that are not expecting a reply. +// This cannot be called for requests expecting a reply, nor for unchecked requests. +func (cook CreateConicalGradientCookie) Check() error { +	return cook.Cookie.Check() +} + +// Write request to wire for CreateConicalGradient +// createConicalGradientRequest writes a CreateConicalGradient request to a byte slice. +func createConicalGradientRequest(c *xgb.Conn, Picture Picture, Center Pointfix, Angle Fixed, NumStops uint32, Stops []Fixed, Colors []Color) []byte { +	size := xgb.Pad(((24 + xgb.Pad((int(NumStops) * 4))) + xgb.Pad((int(NumStops) * 8)))) +	b := 0 +	buf := make([]byte, size) + +	c.ExtLock.RLock() +	buf[b] = c.Extensions["RENDER"] +	c.ExtLock.RUnlock() +	b += 1 + +	buf[b] = 36 // request opcode +	b += 1 + +	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units +	b += 2 + +	xgb.Put32(buf[b:], uint32(Picture)) +	b += 4 + +	{ +		structBytes := Center.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} + +	xgb.Put32(buf[b:], uint32(Angle)) +	b += 4 + +	xgb.Put32(buf[b:], NumStops) +	b += 4 + +	for i := 0; i < int(NumStops); i++ { +		xgb.Put32(buf[b:], uint32(Stops[i])) +		b += 4 +	} + +	b += ColorListBytes(buf[b:], Colors) + +	return buf +} + +// CreateCursorCookie is a cookie used only for CreateCursor requests. +type CreateCursorCookie struct { +	*xgb.Cookie +} + +// CreateCursor sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func CreateCursor(c *xgb.Conn, Cid xproto.Cursor, Source Picture, X uint16, Y uint16) CreateCursorCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'CreateCursor' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(false, false) +	c.NewRequest(createCursorRequest(c, Cid, Source, X, Y), cookie) +	return CreateCursorCookie{cookie} +} + +// CreateCursorChecked sends a checked request. +// If an error occurs, it can be retrieved using CreateCursorCookie.Check() +func CreateCursorChecked(c *xgb.Conn, Cid xproto.Cursor, Source Picture, X uint16, Y uint16) CreateCursorCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'CreateCursor' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(true, false) +	c.NewRequest(createCursorRequest(c, Cid, Source, X, Y), cookie) +	return CreateCursorCookie{cookie} +} + +// Check returns an error if one occurred for checked requests that are not expecting a reply. +// This cannot be called for requests expecting a reply, nor for unchecked requests. +func (cook CreateCursorCookie) Check() error { +	return cook.Cookie.Check() +} + +// Write request to wire for CreateCursor +// createCursorRequest writes a CreateCursor request to a byte slice. +func createCursorRequest(c *xgb.Conn, Cid xproto.Cursor, Source Picture, X uint16, Y uint16) []byte { +	size := 16 +	b := 0 +	buf := make([]byte, size) + +	c.ExtLock.RLock() +	buf[b] = c.Extensions["RENDER"] +	c.ExtLock.RUnlock() +	b += 1 + +	buf[b] = 27 // request opcode +	b += 1 + +	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units +	b += 2 + +	xgb.Put32(buf[b:], uint32(Cid)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(Source)) +	b += 4 + +	xgb.Put16(buf[b:], X) +	b += 2 + +	xgb.Put16(buf[b:], Y) +	b += 2 + +	return buf +} + +// CreateGlyphSetCookie is a cookie used only for CreateGlyphSet requests. +type CreateGlyphSetCookie struct { +	*xgb.Cookie +} + +// CreateGlyphSet sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func CreateGlyphSet(c *xgb.Conn, Gsid Glyphset, Format Pictformat) CreateGlyphSetCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'CreateGlyphSet' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(false, false) +	c.NewRequest(createGlyphSetRequest(c, Gsid, Format), cookie) +	return CreateGlyphSetCookie{cookie} +} + +// CreateGlyphSetChecked sends a checked request. +// If an error occurs, it can be retrieved using CreateGlyphSetCookie.Check() +func CreateGlyphSetChecked(c *xgb.Conn, Gsid Glyphset, Format Pictformat) CreateGlyphSetCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'CreateGlyphSet' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(true, false) +	c.NewRequest(createGlyphSetRequest(c, Gsid, Format), cookie) +	return CreateGlyphSetCookie{cookie} +} + +// Check returns an error if one occurred for checked requests that are not expecting a reply. +// This cannot be called for requests expecting a reply, nor for unchecked requests. +func (cook CreateGlyphSetCookie) Check() error { +	return cook.Cookie.Check() +} + +// Write request to wire for CreateGlyphSet +// createGlyphSetRequest writes a CreateGlyphSet request to a byte slice. +func createGlyphSetRequest(c *xgb.Conn, Gsid Glyphset, Format Pictformat) []byte { +	size := 12 +	b := 0 +	buf := make([]byte, size) + +	c.ExtLock.RLock() +	buf[b] = c.Extensions["RENDER"] +	c.ExtLock.RUnlock() +	b += 1 + +	buf[b] = 17 // request opcode +	b += 1 + +	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units +	b += 2 + +	xgb.Put32(buf[b:], uint32(Gsid)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(Format)) +	b += 4 + +	return buf +} + +// CreateLinearGradientCookie is a cookie used only for CreateLinearGradient requests. +type CreateLinearGradientCookie struct { +	*xgb.Cookie +} + +// CreateLinearGradient sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func CreateLinearGradient(c *xgb.Conn, Picture Picture, P1 Pointfix, P2 Pointfix, NumStops uint32, Stops []Fixed, Colors []Color) CreateLinearGradientCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'CreateLinearGradient' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(false, false) +	c.NewRequest(createLinearGradientRequest(c, Picture, P1, P2, NumStops, Stops, Colors), cookie) +	return CreateLinearGradientCookie{cookie} +} + +// CreateLinearGradientChecked sends a checked request. +// If an error occurs, it can be retrieved using CreateLinearGradientCookie.Check() +func CreateLinearGradientChecked(c *xgb.Conn, Picture Picture, P1 Pointfix, P2 Pointfix, NumStops uint32, Stops []Fixed, Colors []Color) CreateLinearGradientCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'CreateLinearGradient' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(true, false) +	c.NewRequest(createLinearGradientRequest(c, Picture, P1, P2, NumStops, Stops, Colors), cookie) +	return CreateLinearGradientCookie{cookie} +} + +// Check returns an error if one occurred for checked requests that are not expecting a reply. +// This cannot be called for requests expecting a reply, nor for unchecked requests. +func (cook CreateLinearGradientCookie) Check() error { +	return cook.Cookie.Check() +} + +// Write request to wire for CreateLinearGradient +// createLinearGradientRequest writes a CreateLinearGradient request to a byte slice. +func createLinearGradientRequest(c *xgb.Conn, Picture Picture, P1 Pointfix, P2 Pointfix, NumStops uint32, Stops []Fixed, Colors []Color) []byte { +	size := xgb.Pad(((28 + xgb.Pad((int(NumStops) * 4))) + xgb.Pad((int(NumStops) * 8)))) +	b := 0 +	buf := make([]byte, size) + +	c.ExtLock.RLock() +	buf[b] = c.Extensions["RENDER"] +	c.ExtLock.RUnlock() +	b += 1 + +	buf[b] = 34 // request opcode +	b += 1 + +	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units +	b += 2 + +	xgb.Put32(buf[b:], uint32(Picture)) +	b += 4 + +	{ +		structBytes := P1.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} + +	{ +		structBytes := P2.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} + +	xgb.Put32(buf[b:], NumStops) +	b += 4 + +	for i := 0; i < int(NumStops); i++ { +		xgb.Put32(buf[b:], uint32(Stops[i])) +		b += 4 +	} + +	b += ColorListBytes(buf[b:], Colors) + +	return buf +} + +// CreatePictureCookie is a cookie used only for CreatePicture requests. +type CreatePictureCookie struct { +	*xgb.Cookie +} + +// CreatePicture sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func CreatePicture(c *xgb.Conn, Pid Picture, Drawable xproto.Drawable, Format Pictformat, ValueMask uint32, ValueList []uint32) CreatePictureCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'CreatePicture' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(false, false) +	c.NewRequest(createPictureRequest(c, Pid, Drawable, Format, ValueMask, ValueList), cookie) +	return CreatePictureCookie{cookie} +} + +// CreatePictureChecked sends a checked request. +// If an error occurs, it can be retrieved using CreatePictureCookie.Check() +func CreatePictureChecked(c *xgb.Conn, Pid Picture, Drawable xproto.Drawable, Format Pictformat, ValueMask uint32, ValueList []uint32) CreatePictureCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'CreatePicture' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(true, false) +	c.NewRequest(createPictureRequest(c, Pid, Drawable, Format, ValueMask, ValueList), cookie) +	return CreatePictureCookie{cookie} +} + +// Check returns an error if one occurred for checked requests that are not expecting a reply. +// This cannot be called for requests expecting a reply, nor for unchecked requests. +func (cook CreatePictureCookie) Check() error { +	return cook.Cookie.Check() +} + +// Write request to wire for CreatePicture +// createPictureRequest writes a CreatePicture request to a byte slice. +func createPictureRequest(c *xgb.Conn, Pid Picture, Drawable xproto.Drawable, Format Pictformat, ValueMask uint32, ValueList []uint32) []byte { +	size := xgb.Pad((20 + xgb.Pad((4 * xgb.PopCount(int(ValueMask)))))) +	b := 0 +	buf := make([]byte, size) + +	c.ExtLock.RLock() +	buf[b] = c.Extensions["RENDER"] +	c.ExtLock.RUnlock() +	b += 1 + +	buf[b] = 4 // request opcode +	b += 1 + +	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units +	b += 2 + +	xgb.Put32(buf[b:], uint32(Pid)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(Drawable)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(Format)) +	b += 4 + +	xgb.Put32(buf[b:], ValueMask) +	b += 4 + +	for i := 0; i < xgb.PopCount(int(ValueMask)); i++ { +		xgb.Put32(buf[b:], ValueList[i]) +		b += 4 +	} +	b = xgb.Pad(b) + +	return buf +} + +// CreateRadialGradientCookie is a cookie used only for CreateRadialGradient requests. +type CreateRadialGradientCookie struct { +	*xgb.Cookie +} + +// CreateRadialGradient sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func CreateRadialGradient(c *xgb.Conn, Picture Picture, Inner Pointfix, Outer Pointfix, InnerRadius Fixed, OuterRadius Fixed, NumStops uint32, Stops []Fixed, Colors []Color) CreateRadialGradientCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'CreateRadialGradient' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(false, false) +	c.NewRequest(createRadialGradientRequest(c, Picture, Inner, Outer, InnerRadius, OuterRadius, NumStops, Stops, Colors), cookie) +	return CreateRadialGradientCookie{cookie} +} + +// CreateRadialGradientChecked sends a checked request. +// If an error occurs, it can be retrieved using CreateRadialGradientCookie.Check() +func CreateRadialGradientChecked(c *xgb.Conn, Picture Picture, Inner Pointfix, Outer Pointfix, InnerRadius Fixed, OuterRadius Fixed, NumStops uint32, Stops []Fixed, Colors []Color) CreateRadialGradientCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'CreateRadialGradient' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(true, false) +	c.NewRequest(createRadialGradientRequest(c, Picture, Inner, Outer, InnerRadius, OuterRadius, NumStops, Stops, Colors), cookie) +	return CreateRadialGradientCookie{cookie} +} + +// Check returns an error if one occurred for checked requests that are not expecting a reply. +// This cannot be called for requests expecting a reply, nor for unchecked requests. +func (cook CreateRadialGradientCookie) Check() error { +	return cook.Cookie.Check() +} + +// Write request to wire for CreateRadialGradient +// createRadialGradientRequest writes a CreateRadialGradient request to a byte slice. +func createRadialGradientRequest(c *xgb.Conn, Picture Picture, Inner Pointfix, Outer Pointfix, InnerRadius Fixed, OuterRadius Fixed, NumStops uint32, Stops []Fixed, Colors []Color) []byte { +	size := xgb.Pad(((36 + xgb.Pad((int(NumStops) * 4))) + xgb.Pad((int(NumStops) * 8)))) +	b := 0 +	buf := make([]byte, size) + +	c.ExtLock.RLock() +	buf[b] = c.Extensions["RENDER"] +	c.ExtLock.RUnlock() +	b += 1 + +	buf[b] = 35 // request opcode +	b += 1 + +	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units +	b += 2 + +	xgb.Put32(buf[b:], uint32(Picture)) +	b += 4 + +	{ +		structBytes := Inner.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} + +	{ +		structBytes := Outer.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} + +	xgb.Put32(buf[b:], uint32(InnerRadius)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(OuterRadius)) +	b += 4 + +	xgb.Put32(buf[b:], NumStops) +	b += 4 + +	for i := 0; i < int(NumStops); i++ { +		xgb.Put32(buf[b:], uint32(Stops[i])) +		b += 4 +	} + +	b += ColorListBytes(buf[b:], Colors) + +	return buf +} + +// CreateSolidFillCookie is a cookie used only for CreateSolidFill requests. +type CreateSolidFillCookie struct { +	*xgb.Cookie +} + +// CreateSolidFill sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func CreateSolidFill(c *xgb.Conn, Picture Picture, Color Color) CreateSolidFillCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'CreateSolidFill' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(false, false) +	c.NewRequest(createSolidFillRequest(c, Picture, Color), cookie) +	return CreateSolidFillCookie{cookie} +} + +// CreateSolidFillChecked sends a checked request. +// If an error occurs, it can be retrieved using CreateSolidFillCookie.Check() +func CreateSolidFillChecked(c *xgb.Conn, Picture Picture, Color Color) CreateSolidFillCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'CreateSolidFill' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(true, false) +	c.NewRequest(createSolidFillRequest(c, Picture, Color), cookie) +	return CreateSolidFillCookie{cookie} +} + +// Check returns an error if one occurred for checked requests that are not expecting a reply. +// This cannot be called for requests expecting a reply, nor for unchecked requests. +func (cook CreateSolidFillCookie) Check() error { +	return cook.Cookie.Check() +} + +// Write request to wire for CreateSolidFill +// createSolidFillRequest writes a CreateSolidFill request to a byte slice. +func createSolidFillRequest(c *xgb.Conn, Picture Picture, Color Color) []byte { +	size := 16 +	b := 0 +	buf := make([]byte, size) + +	c.ExtLock.RLock() +	buf[b] = c.Extensions["RENDER"] +	c.ExtLock.RUnlock() +	b += 1 + +	buf[b] = 33 // request opcode +	b += 1 + +	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units +	b += 2 + +	xgb.Put32(buf[b:], uint32(Picture)) +	b += 4 + +	{ +		structBytes := Color.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} + +	return buf +} + +// FillRectanglesCookie is a cookie used only for FillRectangles requests. +type FillRectanglesCookie struct { +	*xgb.Cookie +} + +// FillRectangles sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func FillRectangles(c *xgb.Conn, Op byte, Dst Picture, Color Color, Rects []xproto.Rectangle) FillRectanglesCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'FillRectangles' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(false, false) +	c.NewRequest(fillRectanglesRequest(c, Op, Dst, Color, Rects), cookie) +	return FillRectanglesCookie{cookie} +} + +// FillRectanglesChecked sends a checked request. +// If an error occurs, it can be retrieved using FillRectanglesCookie.Check() +func FillRectanglesChecked(c *xgb.Conn, Op byte, Dst Picture, Color Color, Rects []xproto.Rectangle) FillRectanglesCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'FillRectangles' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(true, false) +	c.NewRequest(fillRectanglesRequest(c, Op, Dst, Color, Rects), cookie) +	return FillRectanglesCookie{cookie} +} + +// Check returns an error if one occurred for checked requests that are not expecting a reply. +// This cannot be called for requests expecting a reply, nor for unchecked requests. +func (cook FillRectanglesCookie) Check() error { +	return cook.Cookie.Check() +} + +// Write request to wire for FillRectangles +// fillRectanglesRequest writes a FillRectangles request to a byte slice. +func fillRectanglesRequest(c *xgb.Conn, Op byte, Dst Picture, Color Color, Rects []xproto.Rectangle) []byte { +	size := xgb.Pad((20 + xgb.Pad((len(Rects) * 8)))) +	b := 0 +	buf := make([]byte, size) + +	c.ExtLock.RLock() +	buf[b] = c.Extensions["RENDER"] +	c.ExtLock.RUnlock() +	b += 1 + +	buf[b] = 26 // request opcode +	b += 1 + +	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units +	b += 2 + +	buf[b] = Op +	b += 1 + +	b += 3 // padding + +	xgb.Put32(buf[b:], uint32(Dst)) +	b += 4 + +	{ +		structBytes := Color.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} + +	b += xproto.RectangleListBytes(buf[b:], Rects) + +	return buf +} + +// FreeGlyphSetCookie is a cookie used only for FreeGlyphSet requests. +type FreeGlyphSetCookie struct { +	*xgb.Cookie +} + +// FreeGlyphSet sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func FreeGlyphSet(c *xgb.Conn, Glyphset Glyphset) FreeGlyphSetCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'FreeGlyphSet' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(false, false) +	c.NewRequest(freeGlyphSetRequest(c, Glyphset), cookie) +	return FreeGlyphSetCookie{cookie} +} + +// FreeGlyphSetChecked sends a checked request. +// If an error occurs, it can be retrieved using FreeGlyphSetCookie.Check() +func FreeGlyphSetChecked(c *xgb.Conn, Glyphset Glyphset) FreeGlyphSetCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'FreeGlyphSet' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(true, false) +	c.NewRequest(freeGlyphSetRequest(c, Glyphset), cookie) +	return FreeGlyphSetCookie{cookie} +} + +// Check returns an error if one occurred for checked requests that are not expecting a reply. +// This cannot be called for requests expecting a reply, nor for unchecked requests. +func (cook FreeGlyphSetCookie) Check() error { +	return cook.Cookie.Check() +} + +// Write request to wire for FreeGlyphSet +// freeGlyphSetRequest writes a FreeGlyphSet request to a byte slice. +func freeGlyphSetRequest(c *xgb.Conn, Glyphset Glyphset) []byte { +	size := 8 +	b := 0 +	buf := make([]byte, size) + +	c.ExtLock.RLock() +	buf[b] = c.Extensions["RENDER"] +	c.ExtLock.RUnlock() +	b += 1 + +	buf[b] = 19 // request opcode +	b += 1 + +	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units +	b += 2 + +	xgb.Put32(buf[b:], uint32(Glyphset)) +	b += 4 + +	return buf +} + +// FreeGlyphsCookie is a cookie used only for FreeGlyphs requests. +type FreeGlyphsCookie struct { +	*xgb.Cookie +} + +// FreeGlyphs sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func FreeGlyphs(c *xgb.Conn, Glyphset Glyphset, Glyphs []Glyph) FreeGlyphsCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'FreeGlyphs' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(false, false) +	c.NewRequest(freeGlyphsRequest(c, Glyphset, Glyphs), cookie) +	return FreeGlyphsCookie{cookie} +} + +// FreeGlyphsChecked sends a checked request. +// If an error occurs, it can be retrieved using FreeGlyphsCookie.Check() +func FreeGlyphsChecked(c *xgb.Conn, Glyphset Glyphset, Glyphs []Glyph) FreeGlyphsCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'FreeGlyphs' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(true, false) +	c.NewRequest(freeGlyphsRequest(c, Glyphset, Glyphs), cookie) +	return FreeGlyphsCookie{cookie} +} + +// Check returns an error if one occurred for checked requests that are not expecting a reply. +// This cannot be called for requests expecting a reply, nor for unchecked requests. +func (cook FreeGlyphsCookie) Check() error { +	return cook.Cookie.Check() +} + +// Write request to wire for FreeGlyphs +// freeGlyphsRequest writes a FreeGlyphs request to a byte slice. +func freeGlyphsRequest(c *xgb.Conn, Glyphset Glyphset, Glyphs []Glyph) []byte { +	size := xgb.Pad((8 + xgb.Pad((len(Glyphs) * 4)))) +	b := 0 +	buf := make([]byte, size) + +	c.ExtLock.RLock() +	buf[b] = c.Extensions["RENDER"] +	c.ExtLock.RUnlock() +	b += 1 + +	buf[b] = 22 // request opcode +	b += 1 + +	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units +	b += 2 + +	xgb.Put32(buf[b:], uint32(Glyphset)) +	b += 4 + +	for i := 0; i < int(len(Glyphs)); i++ { +		xgb.Put32(buf[b:], uint32(Glyphs[i])) +		b += 4 +	} + +	return buf +} + +// FreePictureCookie is a cookie used only for FreePicture requests. +type FreePictureCookie struct { +	*xgb.Cookie +} + +// FreePicture sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func FreePicture(c *xgb.Conn, Picture Picture) FreePictureCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'FreePicture' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(false, false) +	c.NewRequest(freePictureRequest(c, Picture), cookie) +	return FreePictureCookie{cookie} +} + +// FreePictureChecked sends a checked request. +// If an error occurs, it can be retrieved using FreePictureCookie.Check() +func FreePictureChecked(c *xgb.Conn, Picture Picture) FreePictureCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'FreePicture' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(true, false) +	c.NewRequest(freePictureRequest(c, Picture), cookie) +	return FreePictureCookie{cookie} +} + +// Check returns an error if one occurred for checked requests that are not expecting a reply. +// This cannot be called for requests expecting a reply, nor for unchecked requests. +func (cook FreePictureCookie) Check() error { +	return cook.Cookie.Check() +} + +// Write request to wire for FreePicture +// freePictureRequest writes a FreePicture request to a byte slice. +func freePictureRequest(c *xgb.Conn, Picture Picture) []byte { +	size := 8 +	b := 0 +	buf := make([]byte, size) + +	c.ExtLock.RLock() +	buf[b] = c.Extensions["RENDER"] +	c.ExtLock.RUnlock() +	b += 1 + +	buf[b] = 7 // request opcode +	b += 1 + +	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units +	b += 2 + +	xgb.Put32(buf[b:], uint32(Picture)) +	b += 4 + +	return buf +} + +// QueryFiltersCookie is a cookie used only for QueryFilters requests. +type QueryFiltersCookie struct { +	*xgb.Cookie +} + +// QueryFilters sends a checked request. +// If an error occurs, it will be returned with the reply by calling QueryFiltersCookie.Reply() +func QueryFilters(c *xgb.Conn, Drawable xproto.Drawable) QueryFiltersCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'QueryFilters' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(true, true) +	c.NewRequest(queryFiltersRequest(c, Drawable), cookie) +	return QueryFiltersCookie{cookie} +} + +// QueryFiltersUnchecked sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func QueryFiltersUnchecked(c *xgb.Conn, Drawable xproto.Drawable) QueryFiltersCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'QueryFilters' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(false, true) +	c.NewRequest(queryFiltersRequest(c, Drawable), cookie) +	return QueryFiltersCookie{cookie} +} + +// QueryFiltersReply represents the data returned from a QueryFilters request. +type QueryFiltersReply struct { +	Sequence uint16 // sequence number of the request for this reply +	Length   uint32 // number of bytes in this reply +	// padding: 1 bytes +	NumAliases uint32 +	NumFilters uint32 +	// padding: 16 bytes +	Aliases []uint16     // size: xgb.Pad((int(NumAliases) * 2)) +	Filters []xproto.Str // size: xproto.StrListSize(Filters) +} + +// Reply blocks and returns the reply data for a QueryFilters request. +func (cook QueryFiltersCookie) Reply() (*QueryFiltersReply, error) { +	buf, err := cook.Cookie.Reply() +	if err != nil { +		return nil, err +	} +	if buf == nil { +		return nil, nil +	} +	return queryFiltersReply(buf), nil +} + +// queryFiltersReply reads a byte slice into a QueryFiltersReply value. +func queryFiltersReply(buf []byte) *QueryFiltersReply { +	v := new(QueryFiltersReply) +	b := 1 // skip reply determinant + +	b += 1 // padding + +	v.Sequence = xgb.Get16(buf[b:]) +	b += 2 + +	v.Length = xgb.Get32(buf[b:]) // 4-byte units +	b += 4 + +	v.NumAliases = xgb.Get32(buf[b:]) +	b += 4 + +	v.NumFilters = xgb.Get32(buf[b:]) +	b += 4 + +	b += 16 // padding + +	v.Aliases = make([]uint16, v.NumAliases) +	for i := 0; i < int(v.NumAliases); i++ { +		v.Aliases[i] = xgb.Get16(buf[b:]) +		b += 2 +	} + +	v.Filters = make([]xproto.Str, v.NumFilters) +	b += xproto.StrReadList(buf[b:], v.Filters) + +	return v +} + +// Write request to wire for QueryFilters +// queryFiltersRequest writes a QueryFilters request to a byte slice. +func queryFiltersRequest(c *xgb.Conn, Drawable xproto.Drawable) []byte { +	size := 8 +	b := 0 +	buf := make([]byte, size) + +	c.ExtLock.RLock() +	buf[b] = c.Extensions["RENDER"] +	c.ExtLock.RUnlock() +	b += 1 + +	buf[b] = 29 // request opcode +	b += 1 + +	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units +	b += 2 + +	xgb.Put32(buf[b:], uint32(Drawable)) +	b += 4 + +	return buf +} + +// QueryPictFormatsCookie is a cookie used only for QueryPictFormats requests. +type QueryPictFormatsCookie struct { +	*xgb.Cookie +} + +// QueryPictFormats sends a checked request. +// If an error occurs, it will be returned with the reply by calling QueryPictFormatsCookie.Reply() +func QueryPictFormats(c *xgb.Conn) QueryPictFormatsCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'QueryPictFormats' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(true, true) +	c.NewRequest(queryPictFormatsRequest(c), cookie) +	return QueryPictFormatsCookie{cookie} +} + +// QueryPictFormatsUnchecked sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func QueryPictFormatsUnchecked(c *xgb.Conn) QueryPictFormatsCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'QueryPictFormats' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(false, true) +	c.NewRequest(queryPictFormatsRequest(c), cookie) +	return QueryPictFormatsCookie{cookie} +} + +// QueryPictFormatsReply represents the data returned from a QueryPictFormats request. +type QueryPictFormatsReply struct { +	Sequence uint16 // sequence number of the request for this reply +	Length   uint32 // number of bytes in this reply +	// padding: 1 bytes +	NumFormats  uint32 +	NumScreens  uint32 +	NumDepths   uint32 +	NumVisuals  uint32 +	NumSubpixel uint32 +	// padding: 4 bytes +	Formats   []Pictforminfo // size: xgb.Pad((int(NumFormats) * 28)) +	Screens   []Pictscreen   // size: PictscreenListSize(Screens) +	Subpixels []uint32       // size: xgb.Pad((int(NumSubpixel) * 4)) +} + +// Reply blocks and returns the reply data for a QueryPictFormats request. +func (cook QueryPictFormatsCookie) Reply() (*QueryPictFormatsReply, error) { +	buf, err := cook.Cookie.Reply() +	if err != nil { +		return nil, err +	} +	if buf == nil { +		return nil, nil +	} +	return queryPictFormatsReply(buf), nil +} + +// queryPictFormatsReply reads a byte slice into a QueryPictFormatsReply value. +func queryPictFormatsReply(buf []byte) *QueryPictFormatsReply { +	v := new(QueryPictFormatsReply) +	b := 1 // skip reply determinant + +	b += 1 // padding + +	v.Sequence = xgb.Get16(buf[b:]) +	b += 2 + +	v.Length = xgb.Get32(buf[b:]) // 4-byte units +	b += 4 + +	v.NumFormats = xgb.Get32(buf[b:]) +	b += 4 + +	v.NumScreens = xgb.Get32(buf[b:]) +	b += 4 + +	v.NumDepths = xgb.Get32(buf[b:]) +	b += 4 + +	v.NumVisuals = xgb.Get32(buf[b:]) +	b += 4 + +	v.NumSubpixel = xgb.Get32(buf[b:]) +	b += 4 + +	b += 4 // padding + +	v.Formats = make([]Pictforminfo, v.NumFormats) +	b += PictforminfoReadList(buf[b:], v.Formats) + +	v.Screens = make([]Pictscreen, v.NumScreens) +	b += PictscreenReadList(buf[b:], v.Screens) + +	v.Subpixels = make([]uint32, v.NumSubpixel) +	for i := 0; i < int(v.NumSubpixel); i++ { +		v.Subpixels[i] = xgb.Get32(buf[b:]) +		b += 4 +	} + +	return v +} + +// Write request to wire for QueryPictFormats +// queryPictFormatsRequest writes a QueryPictFormats request to a byte slice. +func queryPictFormatsRequest(c *xgb.Conn) []byte { +	size := 4 +	b := 0 +	buf := make([]byte, size) + +	c.ExtLock.RLock() +	buf[b] = c.Extensions["RENDER"] +	c.ExtLock.RUnlock() +	b += 1 + +	buf[b] = 1 // request opcode +	b += 1 + +	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units +	b += 2 + +	return buf +} + +// QueryPictIndexValuesCookie is a cookie used only for QueryPictIndexValues requests. +type QueryPictIndexValuesCookie struct { +	*xgb.Cookie +} + +// QueryPictIndexValues sends a checked request. +// If an error occurs, it will be returned with the reply by calling QueryPictIndexValuesCookie.Reply() +func QueryPictIndexValues(c *xgb.Conn, Format Pictformat) QueryPictIndexValuesCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'QueryPictIndexValues' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(true, true) +	c.NewRequest(queryPictIndexValuesRequest(c, Format), cookie) +	return QueryPictIndexValuesCookie{cookie} +} + +// QueryPictIndexValuesUnchecked sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func QueryPictIndexValuesUnchecked(c *xgb.Conn, Format Pictformat) QueryPictIndexValuesCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'QueryPictIndexValues' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(false, true) +	c.NewRequest(queryPictIndexValuesRequest(c, Format), cookie) +	return QueryPictIndexValuesCookie{cookie} +} + +// QueryPictIndexValuesReply represents the data returned from a QueryPictIndexValues request. +type QueryPictIndexValuesReply struct { +	Sequence uint16 // sequence number of the request for this reply +	Length   uint32 // number of bytes in this reply +	// padding: 1 bytes +	NumValues uint32 +	// padding: 20 bytes +	Values []Indexvalue // size: xgb.Pad((int(NumValues) * 12)) +} + +// Reply blocks and returns the reply data for a QueryPictIndexValues request. +func (cook QueryPictIndexValuesCookie) Reply() (*QueryPictIndexValuesReply, error) { +	buf, err := cook.Cookie.Reply() +	if err != nil { +		return nil, err +	} +	if buf == nil { +		return nil, nil +	} +	return queryPictIndexValuesReply(buf), nil +} + +// queryPictIndexValuesReply reads a byte slice into a QueryPictIndexValuesReply value. +func queryPictIndexValuesReply(buf []byte) *QueryPictIndexValuesReply { +	v := new(QueryPictIndexValuesReply) +	b := 1 // skip reply determinant + +	b += 1 // padding + +	v.Sequence = xgb.Get16(buf[b:]) +	b += 2 + +	v.Length = xgb.Get32(buf[b:]) // 4-byte units +	b += 4 + +	v.NumValues = xgb.Get32(buf[b:]) +	b += 4 + +	b += 20 // padding + +	v.Values = make([]Indexvalue, v.NumValues) +	b += IndexvalueReadList(buf[b:], v.Values) + +	return v +} + +// Write request to wire for QueryPictIndexValues +// queryPictIndexValuesRequest writes a QueryPictIndexValues request to a byte slice. +func queryPictIndexValuesRequest(c *xgb.Conn, Format Pictformat) []byte { +	size := 8 +	b := 0 +	buf := make([]byte, size) + +	c.ExtLock.RLock() +	buf[b] = c.Extensions["RENDER"] +	c.ExtLock.RUnlock() +	b += 1 + +	buf[b] = 2 // request opcode +	b += 1 + +	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units +	b += 2 + +	xgb.Put32(buf[b:], uint32(Format)) +	b += 4 + +	return buf +} + +// QueryVersionCookie is a cookie used only for QueryVersion requests. +type QueryVersionCookie struct { +	*xgb.Cookie +} + +// QueryVersion sends a checked request. +// If an error occurs, it will be returned with the reply by calling QueryVersionCookie.Reply() +func QueryVersion(c *xgb.Conn, ClientMajorVersion uint32, ClientMinorVersion uint32) QueryVersionCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'QueryVersion' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(true, true) +	c.NewRequest(queryVersionRequest(c, ClientMajorVersion, ClientMinorVersion), cookie) +	return QueryVersionCookie{cookie} +} + +// QueryVersionUnchecked sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func QueryVersionUnchecked(c *xgb.Conn, ClientMajorVersion uint32, ClientMinorVersion uint32) QueryVersionCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'QueryVersion' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(false, true) +	c.NewRequest(queryVersionRequest(c, ClientMajorVersion, ClientMinorVersion), cookie) +	return QueryVersionCookie{cookie} +} + +// QueryVersionReply represents the data returned from a QueryVersion request. +type QueryVersionReply struct { +	Sequence uint16 // sequence number of the request for this reply +	Length   uint32 // number of bytes in this reply +	// padding: 1 bytes +	MajorVersion uint32 +	MinorVersion uint32 +	// padding: 16 bytes +} + +// Reply blocks and returns the reply data for a QueryVersion request. +func (cook QueryVersionCookie) Reply() (*QueryVersionReply, error) { +	buf, err := cook.Cookie.Reply() +	if err != nil { +		return nil, err +	} +	if buf == nil { +		return nil, nil +	} +	return queryVersionReply(buf), nil +} + +// queryVersionReply reads a byte slice into a QueryVersionReply value. +func queryVersionReply(buf []byte) *QueryVersionReply { +	v := new(QueryVersionReply) +	b := 1 // skip reply determinant + +	b += 1 // padding + +	v.Sequence = xgb.Get16(buf[b:]) +	b += 2 + +	v.Length = xgb.Get32(buf[b:]) // 4-byte units +	b += 4 + +	v.MajorVersion = xgb.Get32(buf[b:]) +	b += 4 + +	v.MinorVersion = xgb.Get32(buf[b:]) +	b += 4 + +	b += 16 // padding + +	return v +} + +// Write request to wire for QueryVersion +// queryVersionRequest writes a QueryVersion request to a byte slice. +func queryVersionRequest(c *xgb.Conn, ClientMajorVersion uint32, ClientMinorVersion uint32) []byte { +	size := 12 +	b := 0 +	buf := make([]byte, size) + +	c.ExtLock.RLock() +	buf[b] = c.Extensions["RENDER"] +	c.ExtLock.RUnlock() +	b += 1 + +	buf[b] = 0 // request opcode +	b += 1 + +	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units +	b += 2 + +	xgb.Put32(buf[b:], ClientMajorVersion) +	b += 4 + +	xgb.Put32(buf[b:], ClientMinorVersion) +	b += 4 + +	return buf +} + +// ReferenceGlyphSetCookie is a cookie used only for ReferenceGlyphSet requests. +type ReferenceGlyphSetCookie struct { +	*xgb.Cookie +} + +// ReferenceGlyphSet sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func ReferenceGlyphSet(c *xgb.Conn, Gsid Glyphset, Existing Glyphset) ReferenceGlyphSetCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'ReferenceGlyphSet' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(false, false) +	c.NewRequest(referenceGlyphSetRequest(c, Gsid, Existing), cookie) +	return ReferenceGlyphSetCookie{cookie} +} + +// ReferenceGlyphSetChecked sends a checked request. +// If an error occurs, it can be retrieved using ReferenceGlyphSetCookie.Check() +func ReferenceGlyphSetChecked(c *xgb.Conn, Gsid Glyphset, Existing Glyphset) ReferenceGlyphSetCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'ReferenceGlyphSet' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(true, false) +	c.NewRequest(referenceGlyphSetRequest(c, Gsid, Existing), cookie) +	return ReferenceGlyphSetCookie{cookie} +} + +// Check returns an error if one occurred for checked requests that are not expecting a reply. +// This cannot be called for requests expecting a reply, nor for unchecked requests. +func (cook ReferenceGlyphSetCookie) Check() error { +	return cook.Cookie.Check() +} + +// Write request to wire for ReferenceGlyphSet +// referenceGlyphSetRequest writes a ReferenceGlyphSet request to a byte slice. +func referenceGlyphSetRequest(c *xgb.Conn, Gsid Glyphset, Existing Glyphset) []byte { +	size := 12 +	b := 0 +	buf := make([]byte, size) + +	c.ExtLock.RLock() +	buf[b] = c.Extensions["RENDER"] +	c.ExtLock.RUnlock() +	b += 1 + +	buf[b] = 18 // request opcode +	b += 1 + +	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units +	b += 2 + +	xgb.Put32(buf[b:], uint32(Gsid)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(Existing)) +	b += 4 + +	return buf +} + +// SetPictureClipRectanglesCookie is a cookie used only for SetPictureClipRectangles requests. +type SetPictureClipRectanglesCookie struct { +	*xgb.Cookie +} + +// SetPictureClipRectangles sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func SetPictureClipRectangles(c *xgb.Conn, Picture Picture, ClipXOrigin int16, ClipYOrigin int16, Rectangles []xproto.Rectangle) SetPictureClipRectanglesCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'SetPictureClipRectangles' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(false, false) +	c.NewRequest(setPictureClipRectanglesRequest(c, Picture, ClipXOrigin, ClipYOrigin, Rectangles), cookie) +	return SetPictureClipRectanglesCookie{cookie} +} + +// SetPictureClipRectanglesChecked sends a checked request. +// If an error occurs, it can be retrieved using SetPictureClipRectanglesCookie.Check() +func SetPictureClipRectanglesChecked(c *xgb.Conn, Picture Picture, ClipXOrigin int16, ClipYOrigin int16, Rectangles []xproto.Rectangle) SetPictureClipRectanglesCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'SetPictureClipRectangles' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(true, false) +	c.NewRequest(setPictureClipRectanglesRequest(c, Picture, ClipXOrigin, ClipYOrigin, Rectangles), cookie) +	return SetPictureClipRectanglesCookie{cookie} +} + +// Check returns an error if one occurred for checked requests that are not expecting a reply. +// This cannot be called for requests expecting a reply, nor for unchecked requests. +func (cook SetPictureClipRectanglesCookie) Check() error { +	return cook.Cookie.Check() +} + +// Write request to wire for SetPictureClipRectangles +// setPictureClipRectanglesRequest writes a SetPictureClipRectangles request to a byte slice. +func setPictureClipRectanglesRequest(c *xgb.Conn, Picture Picture, ClipXOrigin int16, ClipYOrigin int16, Rectangles []xproto.Rectangle) []byte { +	size := xgb.Pad((12 + xgb.Pad((len(Rectangles) * 8)))) +	b := 0 +	buf := make([]byte, size) + +	c.ExtLock.RLock() +	buf[b] = c.Extensions["RENDER"] +	c.ExtLock.RUnlock() +	b += 1 + +	buf[b] = 6 // request opcode +	b += 1 + +	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units +	b += 2 + +	xgb.Put32(buf[b:], uint32(Picture)) +	b += 4 + +	xgb.Put16(buf[b:], uint16(ClipXOrigin)) +	b += 2 + +	xgb.Put16(buf[b:], uint16(ClipYOrigin)) +	b += 2 + +	b += xproto.RectangleListBytes(buf[b:], Rectangles) + +	return buf +} + +// SetPictureFilterCookie is a cookie used only for SetPictureFilter requests. +type SetPictureFilterCookie struct { +	*xgb.Cookie +} + +// SetPictureFilter sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func SetPictureFilter(c *xgb.Conn, Picture Picture, FilterLen uint16, Filter string, Values []Fixed) SetPictureFilterCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'SetPictureFilter' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(false, false) +	c.NewRequest(setPictureFilterRequest(c, Picture, FilterLen, Filter, Values), cookie) +	return SetPictureFilterCookie{cookie} +} + +// SetPictureFilterChecked sends a checked request. +// If an error occurs, it can be retrieved using SetPictureFilterCookie.Check() +func SetPictureFilterChecked(c *xgb.Conn, Picture Picture, FilterLen uint16, Filter string, Values []Fixed) SetPictureFilterCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'SetPictureFilter' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(true, false) +	c.NewRequest(setPictureFilterRequest(c, Picture, FilterLen, Filter, Values), cookie) +	return SetPictureFilterCookie{cookie} +} + +// Check returns an error if one occurred for checked requests that are not expecting a reply. +// This cannot be called for requests expecting a reply, nor for unchecked requests. +func (cook SetPictureFilterCookie) Check() error { +	return cook.Cookie.Check() +} + +// Write request to wire for SetPictureFilter +// setPictureFilterRequest writes a SetPictureFilter request to a byte slice. +func setPictureFilterRequest(c *xgb.Conn, Picture Picture, FilterLen uint16, Filter string, Values []Fixed) []byte { +	size := xgb.Pad((((12 + xgb.Pad((int(FilterLen) * 1))) + 4) + xgb.Pad((len(Values) * 4)))) +	b := 0 +	buf := make([]byte, size) + +	c.ExtLock.RLock() +	buf[b] = c.Extensions["RENDER"] +	c.ExtLock.RUnlock() +	b += 1 + +	buf[b] = 30 // request opcode +	b += 1 + +	blen := b +	b += 2 + +	xgb.Put32(buf[b:], uint32(Picture)) +	b += 4 + +	xgb.Put16(buf[b:], FilterLen) +	b += 2 + +	b += 2 // padding + +	copy(buf[b:], Filter[:FilterLen]) +	b += int(FilterLen) + +	b = (b + 3) & ^3 // alignment gap + +	for i := 0; i < int(len(Values)); i++ { +		xgb.Put32(buf[b:], uint32(Values[i])) +		b += 4 +	} + +	b = xgb.Pad(b) +	xgb.Put16(buf[blen:], uint16(b/4)) // write request size in 4-byte units +	return buf[:b] +} + +// SetPictureTransformCookie is a cookie used only for SetPictureTransform requests. +type SetPictureTransformCookie struct { +	*xgb.Cookie +} + +// SetPictureTransform sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func SetPictureTransform(c *xgb.Conn, Picture Picture, Transform Transform) SetPictureTransformCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'SetPictureTransform' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(false, false) +	c.NewRequest(setPictureTransformRequest(c, Picture, Transform), cookie) +	return SetPictureTransformCookie{cookie} +} + +// SetPictureTransformChecked sends a checked request. +// If an error occurs, it can be retrieved using SetPictureTransformCookie.Check() +func SetPictureTransformChecked(c *xgb.Conn, Picture Picture, Transform Transform) SetPictureTransformCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'SetPictureTransform' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(true, false) +	c.NewRequest(setPictureTransformRequest(c, Picture, Transform), cookie) +	return SetPictureTransformCookie{cookie} +} + +// Check returns an error if one occurred for checked requests that are not expecting a reply. +// This cannot be called for requests expecting a reply, nor for unchecked requests. +func (cook SetPictureTransformCookie) Check() error { +	return cook.Cookie.Check() +} + +// Write request to wire for SetPictureTransform +// setPictureTransformRequest writes a SetPictureTransform request to a byte slice. +func setPictureTransformRequest(c *xgb.Conn, Picture Picture, Transform Transform) []byte { +	size := 44 +	b := 0 +	buf := make([]byte, size) + +	c.ExtLock.RLock() +	buf[b] = c.Extensions["RENDER"] +	c.ExtLock.RUnlock() +	b += 1 + +	buf[b] = 28 // request opcode +	b += 1 + +	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units +	b += 2 + +	xgb.Put32(buf[b:], uint32(Picture)) +	b += 4 + +	{ +		structBytes := Transform.Bytes() +		copy(buf[b:], structBytes) +		b += len(structBytes) +	} + +	return buf +} + +// TrapezoidsCookie is a cookie used only for Trapezoids requests. +type TrapezoidsCookie struct { +	*xgb.Cookie +} + +// Trapezoids sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func Trapezoids(c *xgb.Conn, Op byte, Src Picture, Dst Picture, MaskFormat Pictformat, SrcX int16, SrcY int16, Traps []Trapezoid) TrapezoidsCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'Trapezoids' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(false, false) +	c.NewRequest(trapezoidsRequest(c, Op, Src, Dst, MaskFormat, SrcX, SrcY, Traps), cookie) +	return TrapezoidsCookie{cookie} +} + +// TrapezoidsChecked sends a checked request. +// If an error occurs, it can be retrieved using TrapezoidsCookie.Check() +func TrapezoidsChecked(c *xgb.Conn, Op byte, Src Picture, Dst Picture, MaskFormat Pictformat, SrcX int16, SrcY int16, Traps []Trapezoid) TrapezoidsCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'Trapezoids' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(true, false) +	c.NewRequest(trapezoidsRequest(c, Op, Src, Dst, MaskFormat, SrcX, SrcY, Traps), cookie) +	return TrapezoidsCookie{cookie} +} + +// Check returns an error if one occurred for checked requests that are not expecting a reply. +// This cannot be called for requests expecting a reply, nor for unchecked requests. +func (cook TrapezoidsCookie) Check() error { +	return cook.Cookie.Check() +} + +// Write request to wire for Trapezoids +// trapezoidsRequest writes a Trapezoids request to a byte slice. +func trapezoidsRequest(c *xgb.Conn, Op byte, Src Picture, Dst Picture, MaskFormat Pictformat, SrcX int16, SrcY int16, Traps []Trapezoid) []byte { +	size := xgb.Pad((24 + xgb.Pad((len(Traps) * 40)))) +	b := 0 +	buf := make([]byte, size) + +	c.ExtLock.RLock() +	buf[b] = c.Extensions["RENDER"] +	c.ExtLock.RUnlock() +	b += 1 + +	buf[b] = 10 // request opcode +	b += 1 + +	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units +	b += 2 + +	buf[b] = Op +	b += 1 + +	b += 3 // padding + +	xgb.Put32(buf[b:], uint32(Src)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(Dst)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(MaskFormat)) +	b += 4 + +	xgb.Put16(buf[b:], uint16(SrcX)) +	b += 2 + +	xgb.Put16(buf[b:], uint16(SrcY)) +	b += 2 + +	b += TrapezoidListBytes(buf[b:], Traps) + +	return buf +} + +// TriFanCookie is a cookie used only for TriFan requests. +type TriFanCookie struct { +	*xgb.Cookie +} + +// TriFan sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func TriFan(c *xgb.Conn, Op byte, Src Picture, Dst Picture, MaskFormat Pictformat, SrcX int16, SrcY int16, Points []Pointfix) TriFanCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'TriFan' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(false, false) +	c.NewRequest(triFanRequest(c, Op, Src, Dst, MaskFormat, SrcX, SrcY, Points), cookie) +	return TriFanCookie{cookie} +} + +// TriFanChecked sends a checked request. +// If an error occurs, it can be retrieved using TriFanCookie.Check() +func TriFanChecked(c *xgb.Conn, Op byte, Src Picture, Dst Picture, MaskFormat Pictformat, SrcX int16, SrcY int16, Points []Pointfix) TriFanCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'TriFan' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(true, false) +	c.NewRequest(triFanRequest(c, Op, Src, Dst, MaskFormat, SrcX, SrcY, Points), cookie) +	return TriFanCookie{cookie} +} + +// Check returns an error if one occurred for checked requests that are not expecting a reply. +// This cannot be called for requests expecting a reply, nor for unchecked requests. +func (cook TriFanCookie) Check() error { +	return cook.Cookie.Check() +} + +// Write request to wire for TriFan +// triFanRequest writes a TriFan request to a byte slice. +func triFanRequest(c *xgb.Conn, Op byte, Src Picture, Dst Picture, MaskFormat Pictformat, SrcX int16, SrcY int16, Points []Pointfix) []byte { +	size := xgb.Pad((24 + xgb.Pad((len(Points) * 8)))) +	b := 0 +	buf := make([]byte, size) + +	c.ExtLock.RLock() +	buf[b] = c.Extensions["RENDER"] +	c.ExtLock.RUnlock() +	b += 1 + +	buf[b] = 13 // request opcode +	b += 1 + +	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units +	b += 2 + +	buf[b] = Op +	b += 1 + +	b += 3 // padding + +	xgb.Put32(buf[b:], uint32(Src)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(Dst)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(MaskFormat)) +	b += 4 + +	xgb.Put16(buf[b:], uint16(SrcX)) +	b += 2 + +	xgb.Put16(buf[b:], uint16(SrcY)) +	b += 2 + +	b += PointfixListBytes(buf[b:], Points) + +	return buf +} + +// TriStripCookie is a cookie used only for TriStrip requests. +type TriStripCookie struct { +	*xgb.Cookie +} + +// TriStrip sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func TriStrip(c *xgb.Conn, Op byte, Src Picture, Dst Picture, MaskFormat Pictformat, SrcX int16, SrcY int16, Points []Pointfix) TriStripCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'TriStrip' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(false, false) +	c.NewRequest(triStripRequest(c, Op, Src, Dst, MaskFormat, SrcX, SrcY, Points), cookie) +	return TriStripCookie{cookie} +} + +// TriStripChecked sends a checked request. +// If an error occurs, it can be retrieved using TriStripCookie.Check() +func TriStripChecked(c *xgb.Conn, Op byte, Src Picture, Dst Picture, MaskFormat Pictformat, SrcX int16, SrcY int16, Points []Pointfix) TriStripCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'TriStrip' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(true, false) +	c.NewRequest(triStripRequest(c, Op, Src, Dst, MaskFormat, SrcX, SrcY, Points), cookie) +	return TriStripCookie{cookie} +} + +// Check returns an error if one occurred for checked requests that are not expecting a reply. +// This cannot be called for requests expecting a reply, nor for unchecked requests. +func (cook TriStripCookie) Check() error { +	return cook.Cookie.Check() +} + +// Write request to wire for TriStrip +// triStripRequest writes a TriStrip request to a byte slice. +func triStripRequest(c *xgb.Conn, Op byte, Src Picture, Dst Picture, MaskFormat Pictformat, SrcX int16, SrcY int16, Points []Pointfix) []byte { +	size := xgb.Pad((24 + xgb.Pad((len(Points) * 8)))) +	b := 0 +	buf := make([]byte, size) + +	c.ExtLock.RLock() +	buf[b] = c.Extensions["RENDER"] +	c.ExtLock.RUnlock() +	b += 1 + +	buf[b] = 12 // request opcode +	b += 1 + +	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units +	b += 2 + +	buf[b] = Op +	b += 1 + +	b += 3 // padding + +	xgb.Put32(buf[b:], uint32(Src)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(Dst)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(MaskFormat)) +	b += 4 + +	xgb.Put16(buf[b:], uint16(SrcX)) +	b += 2 + +	xgb.Put16(buf[b:], uint16(SrcY)) +	b += 2 + +	b += PointfixListBytes(buf[b:], Points) + +	return buf +} + +// TrianglesCookie is a cookie used only for Triangles requests. +type TrianglesCookie struct { +	*xgb.Cookie +} + +// Triangles sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func Triangles(c *xgb.Conn, Op byte, Src Picture, Dst Picture, MaskFormat Pictformat, SrcX int16, SrcY int16, Triangles []Triangle) TrianglesCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'Triangles' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(false, false) +	c.NewRequest(trianglesRequest(c, Op, Src, Dst, MaskFormat, SrcX, SrcY, Triangles), cookie) +	return TrianglesCookie{cookie} +} + +// TrianglesChecked sends a checked request. +// If an error occurs, it can be retrieved using TrianglesCookie.Check() +func TrianglesChecked(c *xgb.Conn, Op byte, Src Picture, Dst Picture, MaskFormat Pictformat, SrcX int16, SrcY int16, Triangles []Triangle) TrianglesCookie { +	c.ExtLock.RLock() +	defer c.ExtLock.RUnlock() +	if _, ok := c.Extensions["RENDER"]; !ok { +		panic("Cannot issue request 'Triangles' using the uninitialized extension 'RENDER'. render.Init(connObj) must be called first.") +	} +	cookie := c.NewCookie(true, false) +	c.NewRequest(trianglesRequest(c, Op, Src, Dst, MaskFormat, SrcX, SrcY, Triangles), cookie) +	return TrianglesCookie{cookie} +} + +// Check returns an error if one occurred for checked requests that are not expecting a reply. +// This cannot be called for requests expecting a reply, nor for unchecked requests. +func (cook TrianglesCookie) Check() error { +	return cook.Cookie.Check() +} + +// Write request to wire for Triangles +// trianglesRequest writes a Triangles request to a byte slice. +func trianglesRequest(c *xgb.Conn, Op byte, Src Picture, Dst Picture, MaskFormat Pictformat, SrcX int16, SrcY int16, Triangles []Triangle) []byte { +	size := xgb.Pad((24 + xgb.Pad((len(Triangles) * 24)))) +	b := 0 +	buf := make([]byte, size) + +	c.ExtLock.RLock() +	buf[b] = c.Extensions["RENDER"] +	c.ExtLock.RUnlock() +	b += 1 + +	buf[b] = 11 // request opcode +	b += 1 + +	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units +	b += 2 + +	buf[b] = Op +	b += 1 + +	b += 3 // padding + +	xgb.Put32(buf[b:], uint32(Src)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(Dst)) +	b += 4 + +	xgb.Put32(buf[b:], uint32(MaskFormat)) +	b += 4 + +	xgb.Put16(buf[b:], uint16(SrcX)) +	b += 2 + +	xgb.Put16(buf[b:], uint16(SrcY)) +	b += 2 + +	b += TriangleListBytes(buf[b:], Triangles) + +	return buf +} | 
