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| author | Matthias Clasen <mclasen@redhat.com> | 2015-08-11 15:39:22 -0400 |
|---|---|---|
| committer | Matthias Clasen <mclasen@redhat.com> | 2015-08-11 20:39:14 -0400 |
| commit | 9f44c20b3ca62f0de2cc9adc64c14109174c3a8a (patch) | |
| tree | 07e79ebe46c7cb85f3c4557f13a8bb8debef513e | |
| parent | 884db27321c7eb381fbec23fa445cc481bf546b7 (diff) | |
| download | pango-9f44c20b3ca62f0de2cc9adc64c14109174c3a8a.tar.gz | |
Add alpha support to PangoCairoRenderer
Make PangoCairoRenderer use cairo_set_source_rgba() to apply
colors with alpha. Note that this means we are only using the
alpha if the corresponding color has been set.
| -rw-r--r-- | pango/pangocairo-render.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/pango/pangocairo-render.c b/pango/pangocairo-render.c index 3855fc26..b1efb37f 100644 --- a/pango/pangocairo-render.c +++ b/pango/pangocairo-render.c @@ -191,12 +191,17 @@ set_color (PangoCairoRenderer *crenderer, PangoRenderPart part) { PangoColor *color = pango_renderer_get_color ((PangoRenderer *) (crenderer), part); + guint16 alpha = pango_renderer_get_alpha ((PangoRenderer *) (crenderer), part); + + if (!alpha) + alpha = 0xffff; if (color) - cairo_set_source_rgb (crenderer->cr, - color->red / 65535., - color->green / 65535., - color->blue / 65535.); + cairo_set_source_rgba (crenderer->cr, + color->red / 65535., + color->green / 65535., + color->blue / 65535., + alpha / 65535.); } /* note: modifies crenderer->cr without doing cairo_save/restore() */ |