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authorPřemysl Eric Janouch <p@janouch.name>2021-12-19 12:14:52 +0100
committerPřemysl Eric Janouch <p@janouch.name>2021-12-19 12:21:14 +0100
commit3da1d32df764ee45b29dc407353fd0e7a561912c (patch)
tree3454684c78b5324427908c669175876d4be1cf16
parent56d623fe5202a0c8529c9ba5a381b7ecf26193f5 (diff)
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Make Exif orientation work with SVG
SVG doesn't contain Exif, but this is how we handle rotation/mirroring.
-rw-r--r--fiv-view.c44
1 files changed, 22 insertions, 22 deletions
diff --git a/fiv-view.c b/fiv-view.c
index 9a80d30..f67a464 100644
--- a/fiv-view.c
+++ b/fiv-view.c
@@ -173,30 +173,29 @@ get_surface_dimensions(FivView *self, double *width, double *height)
cairo_rectangle_t extents = {};
switch (cairo_surface_get_type(self->page)) {
case CAIRO_SURFACE_TYPE_IMAGE:
- switch (self->orientation) {
- case FivIoOrientation90:
- case FivIoOrientationMirror90:
- case FivIoOrientation270:
- case FivIoOrientationMirror270:
- *width = cairo_image_surface_get_height(self->page);
- *height = cairo_image_surface_get_width(self->page);
- break;
- default:
- *width = cairo_image_surface_get_width(self->page);
- *height = cairo_image_surface_get_height(self->page);
- }
- return;
+ extents.width = cairo_image_surface_get_width(self->page);
+ extents.height = cairo_image_surface_get_height(self->page);
+ break;
case CAIRO_SURFACE_TYPE_RECORDING:
- if (!cairo_recording_surface_get_extents(self->page, &extents)) {
+ if (!cairo_recording_surface_get_extents(self->page, &extents))
cairo_recording_surface_ink_extents(self->page,
&extents.x, &extents.y, &extents.width, &extents.height);
- }
+ break;
+ default:
+ g_assert_not_reached();
+ }
- *width = extents.width;
- *height = extents.height;
+ switch (self->orientation) {
+ case FivIoOrientation90:
+ case FivIoOrientationMirror90:
+ case FivIoOrientation270:
+ case FivIoOrientationMirror270:
+ *width = extents.height;
+ *height = extents.width;
return;
default:
- g_assert_not_reached();
+ *width = extents.width;
+ *height = extents.height;
}
}
@@ -379,16 +378,19 @@ fiv_view_draw(GtkWidget *widget, cairo_t *cr)
// FIXME: Recording surfaces do not work well with CAIRO_SURFACE_TYPE_XLIB,
// we always get a shitty pixmap, where transparency contains junk.
+ cairo_matrix_t matrix = get_orientation_matrix(self->orientation, sw, sh);
+ cairo_translate(cr, x, y);
if (cairo_surface_get_type(self->frame) == CAIRO_SURFACE_TYPE_RECORDING) {
cairo_surface_t *image =
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, w, h);
cairo_t *tcr = cairo_create(image);
cairo_scale(tcr, self->scale, self->scale);
cairo_set_source_surface(tcr, self->frame, 0, 0);
+ cairo_pattern_set_matrix(cairo_get_source(tcr), &matrix);
cairo_paint(tcr);
cairo_destroy(tcr);
- cairo_set_source_surface(cr, image, x, y);
+ cairo_set_source_surface(cr, image, 0, 0);
cairo_paint(cr);
cairo_surface_destroy(image);
return TRUE;
@@ -396,14 +398,12 @@ fiv_view_draw(GtkWidget *widget, cairo_t *cr)
// XXX: The rounding together with padding may result in up to
// a pixel's worth of made-up picture data.
- cairo_rectangle(cr, x, y, w, h);
+ cairo_rectangle(cr, 0, 0, w, h);
cairo_clip(cr);
- cairo_translate(cr, x, y);
cairo_scale(cr, self->scale, self->scale);
cairo_set_source_surface(cr, self->frame, 0, 0);
- cairo_matrix_t matrix = get_orientation_matrix(self->orientation, sw, sh);
cairo_pattern_t *pattern = cairo_get_source(cr);
cairo_pattern_set_matrix(pattern, &matrix);
cairo_pattern_set_extend(pattern, CAIRO_EXTEND_PAD);