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Merge branch '63-regression-3-22-26-3-22-27-hidpi-checkboxes-and-radiobuttons-pixmaps-are-not-scaled' into 'gtk-3-22'

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Resolve "[ Regression 3.22.26 -> 3.22.27 ] [HIDPI] Checkboxes and radiobuttons pixmaps are not scaled"

See merge request GNOME/gtk!47
This commit is contained in:
Christoph Reiter
2018-03-05 19:58:04 +00:00
parent fa47667df9 e36b629c36
commit 23b91856e1
1 changed files with 9 additions and 2 deletions
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11
gtk/gtkcssimagesurface.c
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@@ -60,8 +60,14 @@ gtk_css_image_surface_draw (GtkCssImage *image,
ABS (width - surface->width) > 0.001 ||
ABS (height - surface->height) > 0.001)
{
double xscale, yscale;
cairo_t *cache;
/* We need the device scale (HiDPI mode) to calculate the proper size in
* pixels for the image surface and set the cache device scale
*/
cairo_surface_get_device_scale (cairo_get_target (cr), &xscale, &yscale);
/* Save original size to preserve precision */
surface->width = width;
surface->height = height;
@@ -72,8 +78,9 @@ gtk_css_image_surface_draw (GtkCssImage *image,
/* Image big enough to contain scaled image with subpixel precision */
surface->cache = cairo_surface_create_similar_image (surface->surface,
CAIRO_FORMAT_ARGB32,
ceil (width),
ceil (height));
ceil (width*xscale),
ceil (height*yscale));
cairo_surface_set_device_scale (surface->cache, xscale, yscale);
cache = cairo_create (surface->cache);
cairo_rectangle (cache, 0, 0, width, height);
cairo_scale (cache, width / image_width, height / image_height);