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desktop-shell: Scale background image to output size

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This commit is contained in:
Kristian Høgsberg 2011-09-08 18:18:02 -04:00
parent a4a42f0ab5
commit 7e69000556
1 changed files with 10 additions and 1 deletions
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11
clients/desktop-shell.c
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@ -284,7 +284,10 @@ static void
background_draw(struct window *window, int width, int height, const char *path)
{
cairo_surface_t *surface, *image;
cairo_pattern_t *pattern;
cairo_matrix_t matrix;
cairo_t *cr;
double sx, sy;
window_set_child_size(window, width, height);
window_draw(window);
@ -297,7 +300,13 @@ background_draw(struct window *window, int width, int height, const char *path)
if (path) {
image = cairo_image_surface_create_from_png(path);
cairo_set_source_surface(cr, image, 0, 0);
pattern = cairo_pattern_create_for_surface(image);
sx = (double) cairo_image_surface_get_width(image) / width;
sy = (double) cairo_image_surface_get_height(image) / height;
cairo_matrix_init_scale(&matrix, sx, sy);
cairo_pattern_set_matrix(pattern, &matrix);
cairo_set_source(cr, pattern);
cairo_pattern_destroy (pattern);
cairo_paint(cr);
}