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Diffstat (limited to 'wayland/cairo.c')
-rw-r--r-- | wayland/cairo.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/wayland/cairo.c b/wayland/cairo.c index ba439d9d..193205b1 100644 --- a/wayland/cairo.c +++ b/wayland/cairo.c @@ -8,6 +8,25 @@ void cairo_set_source_u32(cairo_t *cairo, uint32_t color) { (color >> (0*8) & 0xFF) / 255.0); } +cairo_surface_t *cairo_image_surface_scale(cairo_surface_t *image, int width, int height) { + int image_width = cairo_image_surface_get_width(image); + int image_height = cairo_image_surface_get_height(image); + + cairo_surface_t *new = + cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height); + + cairo_t *cairo = cairo_create(new); + + cairo_scale(cairo, (double) width / image_width, (double) height / image_height); + + cairo_set_source_surface(cairo, image, 0, 0); + cairo_paint(cairo); + + cairo_destroy(cairo); + + return new; +} + #ifdef WITH_GDK_PIXBUF #include <gdk-pixbuf/gdk-pixbuf.h> |