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Fix bug#65042

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* src/pgtkterm.c (fill_background_by_face): Respect the frame's
background alpha property.
This commit is contained in:
Po Lu 2023-08-08 09:01:59 +08:00
parent e1874c4e8b
commit f4acae842c
1 changed files with 11 additions and 8 deletions
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19
src/pgtkterm.c
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@ -1328,14 +1328,17 @@ fill_background_by_face (struct frame *f, struct face *face, int x, int y,
int width, int height) int width, int height)
{ {
cairo_t *cr = pgtk_begin_cr_clip (f); cairo_t *cr = pgtk_begin_cr_clip (f);
double r, g, b, a;
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
cairo_rectangle (cr, x, y, width, height); cairo_rectangle (cr, x, y, width, height);
cairo_clip (cr); cairo_clip (cr);
double r = ((face->background >> 16) & 0xff) / 255.0; r = ((face->background >> 16) & 0xff) / 255.0;
double g = ((face->background >> 8) & 0xff) / 255.0; g = ((face->background >> 8) & 0xff) / 255.0;
double b = ((face->background >> 0) & 0xff) / 255.0; b = ((face->background >> 0) & 0xff) / 255.0;
cairo_set_source_rgb (cr, r, g, b); a = f->alpha_background;
cairo_set_source_rgba (cr, r, g, b, a);
cairo_paint (cr); cairo_paint (cr);
if (face->stipple != 0) if (face->stipple != 0)
@ -1343,10 +1346,10 @@ fill_background_by_face (struct frame *f, struct face *face, int x, int y,
cairo_pattern_t *mask cairo_pattern_t *mask
= FRAME_DISPLAY_INFO (f)->bitmaps[face->stipple - 1].pattern; = FRAME_DISPLAY_INFO (f)->bitmaps[face->stipple - 1].pattern;
double r = ((face->foreground >> 16) & 0xff) / 255.0; r = ((face->foreground >> 16) & 0xff) / 255.0;
double g = ((face->foreground >> 8) & 0xff) / 255.0; g = ((face->foreground >> 8) & 0xff) / 255.0;
double b = ((face->foreground >> 0) & 0xff) / 255.0; b = ((face->foreground >> 0) & 0xff) / 255.0;
cairo_set_source_rgb (cr, r, g, b); cairo_set_source_rgba (cr, r, g, b, a);
cairo_mask (cr, mask); cairo_mask (cr, mask);
} }