From 96f7710c25d296983649551ed2e0dc44db9614fb Mon Sep 17 00:00:00 2001
From: Přemysl Janouch
Date: Sat, 8 Jan 2011 06:44:40 +0100
Subject: Introduce LdRectangle, LdPoint and LdPointArray.
Remove LdCanvasRect and LdSymbolArea.
---
src/ld-canvas.c | 72 ++++------------
src/ld-library.c | 3 +-
src/ld-lua-symbol-private.h | 4 +-
src/ld-lua-symbol.c | 7 +-
src/ld-lua.c | 5 +-
src/ld-symbol-category.c | 3 +-
src/ld-symbol.c | 57 ++-----------
src/ld-symbol.h | 33 +-------
src/ld-types.c | 202 ++++++++++++++++++++++++++++++++++++++++++++
src/ld-types.h | 100 ++++++++++++++++++++++
src/ld-window-main.c | 3 +-
11 files changed, 342 insertions(+), 147 deletions(-)
create mode 100644 src/ld-types.c
create mode 100644 src/ld-types.h
(limited to 'src')
diff --git a/src/ld-canvas.c b/src/ld-canvas.c
index 0acac75..aa6a1b3 100644
--- a/src/ld-canvas.c
+++ b/src/ld-canvas.c
@@ -15,6 +15,7 @@
#include "config.h"
#include "ld-marshal.h"
+#include "ld-types.h"
#include "ld-diagram-object.h"
#include "ld-diagram-symbol.h"
#include "ld-diagram.h"
@@ -83,8 +84,6 @@ struct _LdCanvasColor
gdouble a;
};
-typedef cairo_rectangle_t LdCanvasRect;
-
/*
* LdCanvasPrivate:
* @diagram: A diagram object assigned to this canvas as a model.
@@ -138,7 +137,7 @@ struct _DrawData
{
LdCanvas *self;
cairo_t *cr;
- LdCanvasRect exposed_rect;
+ LdRectangle exposed_rect;
gdouble scale;
};
@@ -181,12 +180,6 @@ static void ld_canvas_color_set (LdCanvasColor *color,
gdouble r, gdouble g, gdouble b, gdouble a);
static void ld_canvas_color_apply (LdCanvasColor *color, cairo_t *cr);
-static gboolean ld_canvas_rect_contains (LdCanvasRect *rect,
- gdouble x, gdouble y);
-static gboolean ld_canvas_rect_intersects (LdCanvasRect *first,
- LdCanvasRect *second);
-static void ld_canvas_rect_extend (LdCanvasRect *rect, gdouble border);
-
static void move_object_to_coords (LdCanvas *self, LdDiagramObject *object,
gdouble x, gdouble y);
static LdDiagramObject *get_object_at_coords (LdCanvas *self,
@@ -195,11 +188,11 @@ static gboolean is_object_selected (LdCanvas *self, LdDiagramObject *object);
static LdSymbol *resolve_diagram_symbol (LdCanvas *self,
LdDiagramSymbol *diagram_symbol);
static gboolean get_symbol_area (LdCanvas *self, LdDiagramSymbol *symbol,
- LdCanvasRect *rect);
+ LdRectangle *rect);
static gboolean get_symbol_clip_area (LdCanvas *self, LdDiagramSymbol *symbol,
- LdCanvasRect *rect);
+ LdRectangle *rect);
static gboolean get_object_area (LdCanvas *self, LdDiagramObject *object,
- LdCanvasRect *rect);
+ LdRectangle *rect);
static gboolean object_hit_test (LdCanvas *self, LdDiagramObject *object,
gdouble x, gdouble y);
static void queue_object_redraw (LdCanvas *self, LdDiagramObject *object);
@@ -792,37 +785,6 @@ ld_canvas_color_apply (LdCanvasColor *color, cairo_t *cr)
cairo_set_source_rgba (cr, color->r, color->g, color->b, color->a);
}
-static gboolean
-ld_canvas_rect_contains (LdCanvasRect *rect, gdouble x, gdouble y)
-{
- g_return_val_if_fail (rect != NULL, FALSE);
- return (x >= rect->x && x <= rect->x + rect->width
- && y >= rect->y && y <= rect->y + rect->height);
-}
-
-static gboolean
-ld_canvas_rect_intersects (LdCanvasRect *first, LdCanvasRect *second)
-{
- g_return_val_if_fail (first != NULL, FALSE);
- g_return_val_if_fail (second != NULL, FALSE);
-
- return !(first->x > second->x + second->width
- || first->y > second->y + second->height
- || first->x + first->width < second->x
- || first->y + first->height < second->y);
-}
-
-static void
-ld_canvas_rect_extend (LdCanvasRect *rect, gdouble border)
-{
- g_return_if_fail (rect != NULL);
-
- rect->x -= border;
- rect->y -= border;
- rect->width += 2 * border;
- rect->height += 2 * border;
-}
-
static void
move_object_to_coords (LdCanvas *self, LdDiagramObject *object,
gdouble x, gdouble y)
@@ -870,12 +832,12 @@ resolve_diagram_symbol (LdCanvas *self, LdDiagramSymbol *diagram_symbol)
}
static gboolean
-get_symbol_area (LdCanvas *self, LdDiagramSymbol *symbol, LdCanvasRect *rect)
+get_symbol_area (LdCanvas *self, LdDiagramSymbol *symbol, LdRectangle *rect)
{
LdDiagramObject *object;
gdouble object_x, object_y;
LdSymbol *library_symbol;
- LdSymbolArea area;
+ LdRectangle area;
gdouble x1, x2;
gdouble y1, y2;
@@ -908,20 +870,20 @@ get_symbol_area (LdCanvas *self, LdDiagramSymbol *symbol, LdCanvasRect *rect)
static gboolean
get_symbol_clip_area (LdCanvas *self, LdDiagramSymbol *symbol,
- LdCanvasRect *rect)
+ LdRectangle *rect)
{
- LdCanvasRect object_rect;
+ LdRectangle object_rect;
if (!get_object_area (self, LD_DIAGRAM_OBJECT (symbol), &object_rect))
return FALSE;
*rect = object_rect;
- ld_canvas_rect_extend (rect, SYMBOL_CLIP_TOLERANCE);
+ ld_rectangle_extend (rect, SYMBOL_CLIP_TOLERANCE);
return TRUE;
}
static gboolean
-get_object_area (LdCanvas *self, LdDiagramObject *object, LdCanvasRect *rect)
+get_object_area (LdCanvas *self, LdDiagramObject *object, LdRectangle *rect)
{
if (LD_IS_DIAGRAM_SYMBOL (object))
return get_symbol_area (self, LD_DIAGRAM_SYMBOL (object), rect);
@@ -931,12 +893,12 @@ get_object_area (LdCanvas *self, LdDiagramObject *object, LdCanvasRect *rect)
static gboolean
object_hit_test (LdCanvas *self, LdDiagramObject *object, gdouble x, gdouble y)
{
- LdCanvasRect rect;
+ LdRectangle rect;
if (!get_object_area (self, object, &rect))
return FALSE;
- ld_canvas_rect_extend (&rect, OBJECT_BORDER_TOLERANCE);
- return ld_canvas_rect_contains (&rect, x, y);
+ ld_rectangle_extend (&rect, OBJECT_BORDER_TOLERANCE);
+ return ld_rectangle_contains (&rect, x, y);
}
static void
@@ -944,7 +906,7 @@ queue_object_redraw (LdCanvas *self, LdDiagramObject *object)
{
if (LD_IS_DIAGRAM_SYMBOL (object))
{
- LdCanvasRect rect;
+ LdRectangle rect;
if (!get_symbol_clip_area (self, LD_DIAGRAM_SYMBOL (object), &rect))
return;
@@ -1151,7 +1113,7 @@ static void
draw_symbol (LdDiagramSymbol *diagram_symbol, DrawData *data)
{
LdSymbol *symbol;
- LdCanvasRect clip_rect;
+ LdRectangle clip_rect;
gdouble x, y;
symbol = resolve_diagram_symbol (data->self, diagram_symbol);
@@ -1165,7 +1127,7 @@ draw_symbol (LdDiagramSymbol *diagram_symbol, DrawData *data)
}
if (!get_symbol_clip_area (data->self, diagram_symbol, &clip_rect)
- || !ld_canvas_rect_intersects (&clip_rect, &data->exposed_rect))
+ || !ld_rectangle_intersects (&clip_rect, &data->exposed_rect))
return;
cairo_save (data->cr);
diff --git a/src/ld-library.c b/src/ld-library.c
index 73c40ef..5e4d502 100644
--- a/src/ld-library.c
+++ b/src/ld-library.c
@@ -2,7 +2,7 @@
* ld-library.c
*
* This file is a part of logdiag.
- * Copyright Přemysl Janouch 2010. All rights reserved.
+ * Copyright Přemysl Janouch 2010 - 2011. All rights reserved.
*
* See the file LICENSE for licensing information.
*
@@ -15,6 +15,7 @@
#include "config.h"
+#include "ld-types.h"
#include "ld-symbol.h"
#include "ld-symbol-category.h"
#include "ld-library.h"
diff --git a/src/ld-lua-symbol-private.h b/src/ld-lua-symbol-private.h
index 73bed20..0e8800e 100644
--- a/src/ld-lua-symbol-private.h
+++ b/src/ld-lua-symbol-private.h
@@ -2,7 +2,7 @@
* ld-lua-symbol-private.h
*
* This file is a part of logdiag.
- * Copyright Přemysl Janouch 2010. All rights reserved.
+ * Copyright Přemysl Janouch 2010 - 2011. All rights reserved.
*
* See the file LICENSE for licensing information.
*
@@ -28,7 +28,7 @@ struct _LdLuaSymbolPrivate
LdLua *lua;
gchar *name;
gchar *human_name;
- LdSymbolArea area;
+ LdRectangle area;
};
diff --git a/src/ld-lua-symbol.c b/src/ld-lua-symbol.c
index 5626761..a481cff 100644
--- a/src/ld-lua-symbol.c
+++ b/src/ld-lua-symbol.c
@@ -2,7 +2,7 @@
* ld-lua-symbol.c
*
* This file is a part of logdiag.
- * Copyright Přemysl Janouch 2010. All rights reserved.
+ * Copyright Přemysl Janouch 2010 - 2011. All rights reserved.
*
* See the file LICENSE for licensing information.
*
@@ -12,6 +12,7 @@
#include "config.h"
+#include "ld-types.h"
#include "ld-symbol.h"
#include "ld-symbol-category.h"
#include "ld-library.h"
@@ -35,7 +36,7 @@ static void ld_lua_symbol_finalize (GObject *gobject);
static const gchar *ld_lua_symbol_real_get_name (LdSymbol *symbol);
static const gchar *ld_lua_symbol_real_get_human_name (LdSymbol *symbol);
-static void ld_lua_symbol_real_get_area (LdSymbol *symbol, LdSymbolArea *area);
+static void ld_lua_symbol_real_get_area (LdSymbol *symbol, LdRectangle *area);
static void ld_lua_symbol_real_draw (LdSymbol *symbol, cairo_t *cr);
@@ -102,7 +103,7 @@ ld_lua_symbol_real_get_human_name (LdSymbol *symbol)
}
static void
-ld_lua_symbol_real_get_area (LdSymbol *symbol, LdSymbolArea *area)
+ld_lua_symbol_real_get_area (LdSymbol *symbol, LdRectangle *area)
{
LdLuaSymbol *self;
diff --git a/src/ld-lua.c b/src/ld-lua.c
index 4cab71c..746d2f9 100644
--- a/src/ld-lua.c
+++ b/src/ld-lua.c
@@ -15,6 +15,7 @@
#include "config.h"
+#include "ld-types.h"
#include "ld-symbol.h"
#include "ld-library.h"
@@ -90,7 +91,7 @@ static int ld_lua_private_unregister_cb (lua_State *L);
static int ld_lua_logdiag_register (lua_State *L);
static int process_registration (lua_State *L);
static gchar *get_translation (lua_State *L, int index);
-static gboolean read_symbol_area (lua_State *L, int index, LdSymbolArea *area);
+static gboolean read_symbol_area (lua_State *L, int index, LdRectangle *area);
static void push_cairo_object (lua_State *L, LdLuaDrawData *draw_data);
static gdouble get_cairo_scale (cairo_t *cr);
@@ -528,7 +529,7 @@ get_translation (lua_State *L, int index)
* Return value: TRUE on success, FALSE on failure.
*/
static gboolean
-read_symbol_area (lua_State *L, int index, LdSymbolArea *area)
+read_symbol_area (lua_State *L, int index, LdRectangle *area)
{
lua_Number x1, x2, y1, y2;
diff --git a/src/ld-symbol-category.c b/src/ld-symbol-category.c
index 2ca2693..b9d70b1 100644
--- a/src/ld-symbol-category.c
+++ b/src/ld-symbol-category.c
@@ -2,7 +2,7 @@
* ld-symbol-category.c
*
* This file is a part of logdiag.
- * Copyright Přemysl Janouch 2010. All rights reserved.
+ * Copyright Přemysl Janouch 2010 - 2011. All rights reserved.
*
* See the file LICENSE for licensing information.
*
@@ -12,6 +12,7 @@
#include "config.h"
+#include "ld-types.h"
#include "ld-symbol.h"
#include "ld-symbol-category.h"
#include "ld-library.h"
diff --git a/src/ld-symbol.c b/src/ld-symbol.c
index 45f11c9..24a7ab9 100644
--- a/src/ld-symbol.c
+++ b/src/ld-symbol.c
@@ -2,7 +2,7 @@
* ld-symbol.c
*
* This file is a part of logdiag.
- * Copyright Přemysl Janouch 2010. All rights reserved.
+ * Copyright Přemysl Janouch 2010 - 2011. All rights reserved.
*
* See the file LICENSE for licensing information.
*
@@ -12,6 +12,7 @@
#include "config.h"
+#include "ld-types.h"
#include "ld-symbol.h"
#include "ld-symbol-category.h"
#include "ld-library.h"
@@ -82,7 +83,7 @@ ld_symbol_class_init (LdSymbolClass *klass)
*/
pspec = g_param_spec_boxed ("area", "Area",
"The area of this symbol.",
- LD_TYPE_SYMBOL_AREA, G_PARAM_READABLE);
+ LD_TYPE_RECTANGLE, G_PARAM_READABLE);
g_object_class_install_property (object_class, PROP_AREA, pspec);
}
@@ -108,7 +109,7 @@ ld_symbol_get_property (GObject *object, guint property_id,
break;
case PROP_AREA:
{
- LdSymbolArea area;
+ LdRectangle area;
ld_symbol_get_area (self, &area);
g_value_set_boxed (value, &area);
@@ -171,7 +172,7 @@ ld_symbol_get_human_name (LdSymbol *self)
* Get the area of the symbol.
*/
void
-ld_symbol_get_area (LdSymbol *self, LdSymbolArea *area)
+ld_symbol_get_area (LdSymbol *self, LdRectangle *area)
{
LdSymbolClass *klass;
@@ -202,51 +203,3 @@ ld_symbol_draw (LdSymbol *self, cairo_t *cr)
g_return_if_fail (klass->draw != NULL);
klass->draw (self, cr);
}
-
-/**
- * ld_symbol_area_copy:
- * @self: An #LdSymbolArea structure.
- *
- * Makes a copy of the structure.
- * The result must be freed by ld_symbol_area_free().
- *
- * Return value: A copy of @self.
- **/
-LdSymbolArea *
-ld_symbol_area_copy (const LdSymbolArea *self)
-{
- LdSymbolArea *new_area;
-
- g_return_val_if_fail (self != NULL, NULL);
-
- new_area = g_slice_new (LdSymbolArea);
- *new_area = *self;
- return new_area;
-}
-
-/**
- * ld_symbol_area_free:
- * @self: An #LdSymbolArea structure.
- *
- * Frees the structure created with ld_symbol_area_copy().
- **/
-void
-ld_symbol_area_free (LdSymbolArea *self)
-{
- g_return_if_fail (self != NULL);
-
- g_slice_free (LdSymbolArea, self);
-}
-
-GType
-ld_symbol_area_get_type (void)
-{
- static GType our_type = 0;
-
- if (our_type == 0)
- our_type = g_boxed_type_register_static
- (g_intern_static_string ("LdSymbolArea"),
- (GBoxedCopyFunc) ld_symbol_area_copy,
- (GBoxedFreeFunc) ld_symbol_area_free);
- return our_type;
-}
diff --git a/src/ld-symbol.h b/src/ld-symbol.h
index 0290720..43ab4df 100644
--- a/src/ld-symbol.h
+++ b/src/ld-symbol.h
@@ -2,7 +2,7 @@
* ld-symbol.h
*
* This file is a part of logdiag.
- * Copyright Přemysl Janouch 2010. All rights reserved.
+ * Copyright Přemysl Janouch 2010 - 2011. All rights reserved.
*
* See the file LICENSE for licensing information.
*
@@ -14,33 +14,6 @@
G_BEGIN_DECLS
-#define LD_TYPE_SYMBOL_AREA (ld_symbol_area_get_type ())
-
-typedef struct _LdSymbolArea LdSymbolArea;
-
-/**
- * LdSymbolArea:
- * @x: Left-top X coordinate.
- * @y: Left-top Y coordinate.
- * @width: Width of the area, must be positive.
- * @height: Height of the area, must be positive.
- *
- * Defines the area of the symbol relative to the center of the symbol,
- * which is at the (0, 0) coordinates.
- */
-struct _LdSymbolArea
-{
- gdouble x, y;
- gdouble width, height;
-};
-
-
-GType ld_symbol_area_get_type (void) G_GNUC_CONST;
-
-LdSymbolArea *ld_symbol_area_copy (const LdSymbolArea *self);
-void ld_symbol_area_free (LdSymbolArea *self);
-
-
#define LD_TYPE_SYMBOL (ld_symbol_get_type ())
#define LD_SYMBOL(obj) (G_TYPE_CHECK_INSTANCE_CAST \
((obj), LD_TYPE_SYMBOL, LdSymbol))
@@ -79,7 +52,7 @@ struct _LdSymbolClass
const gchar *(*get_name) (LdSymbol *self);
const gchar *(*get_human_name) (LdSymbol *self);
- void (*get_area) (LdSymbol *self, LdSymbolArea *area);
+ void (*get_area) (LdSymbol *self, LdRectangle *area);
void (*draw) (LdSymbol *self, cairo_t *cr);
};
@@ -88,7 +61,7 @@ GType ld_symbol_get_type (void) G_GNUC_CONST;
const gchar *ld_symbol_get_name (LdSymbol *self);
const gchar *ld_symbol_get_human_name (LdSymbol *self);
-void ld_symbol_get_area (LdSymbol *self, LdSymbolArea *area);
+void ld_symbol_get_area (LdSymbol *self, LdRectangle *area);
void ld_symbol_draw (LdSymbol *self, cairo_t *cr);
/* TODO: Interface for terminals.
diff --git a/src/ld-types.c b/src/ld-types.c
new file mode 100644
index 0000000..512bcef
--- /dev/null
+++ b/src/ld-types.c
@@ -0,0 +1,202 @@
+/*
+ * ld-types.c
+ *
+ * This file is a part of logdiag.
+ * Copyright Přemysl Janouch 2010 - 2011. All rights reserved.
+ *
+ * See the file LICENSE for licensing information.
+ *
+ */
+
+#include
+
+#include "config.h"
+
+#include "ld-types.h"
+
+
+#define DEFINE_BOXED_TYPE(TypeName, type_name) \
+GType \
+type_name ## _get_type (void) \
+{ \
+ static GType our_type = 0; \
+ if (our_type == 0) \
+ our_type = g_boxed_type_register_static \
+ (g_intern_static_string (#TypeName), \
+ (GBoxedCopyFunc) type_name ## _copy, \
+ (GBoxedFreeFunc) type_name ## _free); \
+ return our_type; \
+}
+
+DEFINE_BOXED_TYPE (LdPoint, ld_point)
+DEFINE_BOXED_TYPE (LdPointArray, ld_point_array)
+DEFINE_BOXED_TYPE (LdRectangle, ld_rectangle)
+
+#define DEFINE_BOXED_TRIVIAL_COPY(TypeName, type_name) \
+TypeName * \
+type_name ## _copy (const TypeName *self) \
+{ \
+ TypeName *new_copy; \
+ g_return_val_if_fail (self != NULL, NULL); \
+ new_copy = g_slice_new (TypeName); \
+ *new_copy = *self; \
+ return new_copy; \
+}
+
+#define DEFINE_BOXED_TRIVIAL_FREE(TypeName, type_name) \
+void \
+type_name ## _free (TypeName *self) \
+{ \
+ g_return_if_fail (self != NULL); \
+ g_slice_free (TypeName, self); \
+}
+
+/**
+ * ld_point_copy:
+ * @self: An #LdPoint structure.
+ *
+ * Makes a copy of the structure.
+ * The result must be freed by ld_point_free().
+ *
+ * Return value: A copy of @self.
+ */
+DEFINE_BOXED_TRIVIAL_COPY (LdPoint, ld_point)
+
+/**
+ * ld_point_free:
+ * @self: An #LdPoint structure.
+ *
+ * Frees the structure created with ld_point_copy().
+ */
+DEFINE_BOXED_TRIVIAL_FREE (LdPoint, ld_point)
+
+/**
+ * ld_point_array_new:
+ * @num_points: The number of points the array can store.
+ *
+ * Create a new array of points and initialize.
+ *
+ * Return value: An #LdPointArray structure.
+ */
+LdPointArray *
+ld_point_array_new (gint num_points)
+{
+ LdPointArray *new_array;
+
+ g_return_val_if_fail (num_points >= 1, NULL);
+
+ new_array = g_slice_new (LdPointArray);
+ new_array->num_points = num_points;
+ new_array->points = g_malloc0 (num_points * sizeof (LdPoint));
+ return new_array;
+}
+
+/**
+ * ld_point_array_copy:
+ * @self: An #LdPointArray structure.
+ *
+ * Makes a copy of the structure.
+ * The result must be freed by ld_point_array_free().
+ *
+ * Return value: A copy of @self.
+ */
+LdPointArray *
+ld_point_array_copy (const LdPointArray *self)
+{
+ LdPointArray *new_array;
+
+ g_return_val_if_fail (self != NULL, NULL);
+
+ new_array = g_slice_new (LdPointArray);
+ new_array->num_points = self->num_points;
+ new_array->points = g_memdup (self->points,
+ self->num_points * sizeof (LdPoint));
+ return new_array;
+}
+
+/**
+ * ld_point_array_free:
+ * @self: An #LdPointArray structure.
+ *
+ * Frees the structure created with ld_point_array_copy().
+ */
+void
+ld_point_array_free (LdPointArray *self)
+{
+ g_return_if_fail (self != NULL);
+
+ g_free (self->points);
+ g_slice_free (LdPointArray, self);
+}
+
+/**
+ * ld_rectangle_copy:
+ * @self: An #LdRectangle structure.
+ *
+ * Makes a copy of the structure.
+ * The result must be freed by ld_rectangle_free().
+ *
+ * Return value: A copy of @self.
+ */
+DEFINE_BOXED_TRIVIAL_COPY (LdRectangle, ld_rectangle)
+
+/**
+ * ld_rectangle_free:
+ * @self: An #LdRectangle structure.
+ *
+ * Frees the structure created with ld_rectangle_copy().
+ */
+DEFINE_BOXED_TRIVIAL_FREE (LdRectangle, ld_rectangle)
+
+/**
+ * ld_rectangle_contains:
+ * @self: An #LdRectangle structure.
+ * @x: The X coordinate of the point to be checked.
+ * @y: The Y coordinate of the point to be checked.
+ *
+ * Return value: TRUE if the rectangle contains the specified point.
+ */
+gboolean
+ld_rectangle_contains (LdRectangle *self, gdouble x, gdouble y)
+{
+ g_return_val_if_fail (self != NULL, FALSE);
+ return (x >= self->x && x <= self->x + self->width
+ && y >= self->y && y <= self->y + self->height);
+}
+
+/**
+ * ld_rectangle_intersects:
+ * @self: An #LdRectangle structure.
+ * @rect: An #LdRectangle to be checked for intersection.
+ *
+ * Return value: TRUE if the two rectangles intersect.
+ */
+gboolean
+ld_rectangle_intersects (LdRectangle *self, LdRectangle *rect)
+{
+ g_return_val_if_fail (self != NULL, FALSE);
+ g_return_val_if_fail (rect != NULL, FALSE);
+
+ return !(self->x > rect->x + rect->width
+ || self->y > rect->y + rect->height
+ || self->x + self->width < rect->x
+ || self->y + self->height < rect->y);
+}
+
+/**
+ * ld_rectangle_extend:
+ * @self: An #LdRectangle structure.
+ * @border: The border by which the rectangle should be extended.
+ *
+ * Extend a rectangle on all sides.
+ */
+void
+ld_rectangle_extend (LdRectangle *self, gdouble border)
+{
+ g_return_if_fail (self != NULL);
+
+ self->x -= border;
+ self->y -= border;
+ self->width += 2 * border;
+ self->height += 2 * border;
+}
diff --git a/src/ld-types.h b/src/ld-types.h
new file mode 100644
index 0000000..6837f74
--- /dev/null
+++ b/src/ld-types.h
@@ -0,0 +1,100 @@
+/*
+ * ld-types.h
+ *
+ * This file is a part of logdiag.
+ * Copyright Přemysl Janouch 2010 - 2011. All rights reserved.
+ *
+ * See the file LICENSE for licensing information.
+ *
+ */
+
+#ifndef __LD_TYPES_H__
+#define __LD_TYPES_H__
+
+G_BEGIN_DECLS
+
+
+/**
+ * SECTION:ld-types
+ * @short_description: Simple data types.
+ *
+ * #LdPoint defines coordinates of a point.
+ *
+ * #LdRectangle defines the position and size of a rectangle.
+ */
+
+#define LD_TYPE_POINT (ld_point_get_type ())
+#define LD_TYPE_POINT_ARRAY (ld_point_array_get_type ())
+#define LD_TYPE_RECTANGLE (ld_rectangle_get_type ())
+
+typedef struct _LdPoint LdPoint;
+typedef struct _LdPointArray LdPointArray;
+typedef struct _LdRectangle LdRectangle;
+
+
+/**
+ * LdPoint:
+ * @x: The X coordinate.
+ * @y: The Y coordinate.
+ *
+ * Defines a point.
+ */
+struct _LdPoint
+{
+ gdouble x, y;
+};
+
+GType ld_point_get_type (void) G_GNUC_CONST;
+
+LdPoint *ld_point_copy (const LdPoint *self);
+void ld_point_free (LdPoint *self);
+
+
+/**
+ * LdPointArray:
+ * @points: An array of #LdPoint structures.
+ * @num_points: Count of points in @points.
+ *
+ * Moves quickly.
+ */
+struct _LdPointArray
+{
+ LdPoint *points;
+ gint num_points;
+};
+
+GType ld_point_array_get_type (void) G_GNUC_CONST;
+
+LdPointArray *ld_point_array_new (gint num_points);
+LdPointArray *ld_point_array_copy (const LdPointArray *self);
+void ld_point_array_free (LdPointArray *self);
+
+
+/**
+ * LdRectangle:
+ * @x: Left-top X coordinate.
+ * @y: Left-top Y coordinate.
+ * @width: Width of the area, must be positive.
+ * @height: Height of the area, must be positive.
+ *
+ * Defines a rectangle.
+ */
+struct _LdRectangle
+{
+ gdouble x, y;
+ gdouble width, height;
+};
+
+GType ld_rectangle_get_type (void) G_GNUC_CONST;
+
+LdRectangle *ld_rectangle_copy (const LdRectangle *self);
+void ld_rectangle_free (LdRectangle *self);
+gboolean ld_rectangle_contains (LdRectangle *self, gdouble x, gdouble y);
+gboolean ld_rectangle_intersects (LdRectangle *self, LdRectangle *rect);
+void ld_rectangle_extend (LdRectangle *self, gdouble border);
+
+
+G_END_DECLS
+
+#endif /* ! __LD_TYPES_H__ */
+
diff --git a/src/ld-window-main.c b/src/ld-window-main.c
index 366dbf0..d22f400 100644
--- a/src/ld-window-main.c
+++ b/src/ld-window-main.c
@@ -14,6 +14,7 @@
#include "ld-window-main.h"
+#include "ld-types.h"
#include "ld-symbol.h"
#include "ld-symbol-category.h"
#include "ld-library.h"
@@ -610,7 +611,7 @@ on_category_toggle (GtkToggleButton *toggle_button, gpointer user_data)
for (symbol_iter = children; symbol_iter;
symbol_iter = symbol_iter->next)
{
- LdSymbolArea area;
+ LdRectangle area;
item->symbol = LD_SYMBOL (symbol_iter->data);
g_object_ref (item->symbol);
--
cgit v1.2.3-70-g09d2