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theme: Use cairo for TINT operations with alpha

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https://bugzilla.gnome.org/show_bug.cgi?id=662962
This commit is contained in:
Jasper St. Pierre 2012-02-29 23:20:44 -05:00
parent 4c2c1c4dd2
commit 23f086da8a
1 changed files with 9 additions and 62 deletions
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71
src/ui/theme.c
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@ -3405,42 +3405,6 @@ draw_op_as_pixbuf (const MetaDrawOp *op,
switch (op->type)
{
case META_DRAW_TINT:
{
GdkRGBA color;
guint32 rgba;
gboolean has_alpha;
meta_color_spec_render (op->data.rectangle.color_spec,
context,
&color);
has_alpha =
op->data.tint.alpha_spec &&
(op->data.tint.alpha_spec->n_alphas > 1 ||
op->data.tint.alpha_spec->alphas[0] != 0xff);
pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
has_alpha,
8, width, height);
if (!has_alpha)
{
rgba = GDK_COLOR_RGBA (color);
gdk_pixbuf_fill (pixbuf, rgba);
}
else if (op->data.tint.alpha_spec->n_alphas == 1)
{
rgba = GDK_COLOR_RGBA (color);
rgba &= ~0xff;
rgba |= op->data.tint.alpha_spec->alphas[0];
gdk_pixbuf_fill (pixbuf, rgba);
}
}
break;
case META_DRAW_IMAGE:
{
if (op->data.image.colorize_spec)
@ -3483,6 +3447,7 @@ draw_op_as_pixbuf (const MetaDrawOp *op,
}
break;
}
case META_DRAW_TINT:
case META_DRAW_ICON:
case META_DRAW_LINE:
case META_DRAW_RECTANGLE:
@ -3801,41 +3766,23 @@ meta_draw_op_draw_with_env (const MetaDrawOp *op,
case META_DRAW_TINT:
{
int rx, ry, rwidth, rheight;
gboolean needs_alpha;
needs_alpha = op->data.tint.alpha_spec &&
(op->data.tint.alpha_spec->n_alphas > 1 ||
op->data.tint.alpha_spec->alphas[0] != 0xff);
rx = parse_x_position_unchecked (op->data.tint.x, env);
ry = parse_y_position_unchecked (op->data.tint.y, env);
rwidth = parse_size_unchecked (op->data.tint.width, env);
rheight = parse_size_unchecked (op->data.tint.height, env);
if (!needs_alpha)
{
meta_color_spec_render (op->data.tint.color_spec,
style_gtk, &color);
gdk_cairo_set_source_rgba (cr, &color);
meta_color_spec_render (op->data.tint.color_spec,
style_gtk, &color);
cairo_rectangle (cr, rx, ry, rwidth, rheight);
cairo_fill (cr);
}
else
{
GdkPixbuf *pixbuf;
if (op->data.tint.alpha_spec &&
op->data.tint.alpha_spec->n_alphas == 1)
color.alpha = op->data.tint.alpha_spec->alphas[0];
pixbuf = draw_op_as_pixbuf (op, style_gtk, info,
rwidth, rheight);
gdk_cairo_set_source_rgba (cr, &color);
if (pixbuf)
{
gdk_cairo_set_source_pixbuf (cr, pixbuf, rx, ry);
cairo_paint (cr);
g_object_unref (G_OBJECT (pixbuf));
}
}
cairo_rectangle (cr, rx, ry, rwidth, rheight);
cairo_fill (cr);
}
break;