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WorkspaceClone: draw stroke with Cairo (#1419)

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Danielle Foré 2022-05-14 21:15:46 +00:00 committed by GitHub
parent e0095415cd
commit 890f78d7f9
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1 changed files with 25 additions and 8 deletions
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src/Widgets/WorkspaceClone.vala
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@ -44,19 +44,36 @@ namespace Gala {
public override void paint (Clutter.PaintContext context) {
base.paint (context);
unowned Cogl.Framebuffer fb = context.get_framebuffer ();
var surface = new Cairo.ImageSurface (Cairo.Format.ARGB32, (int) width, (int) height);
pipeline.set_color4ub (0, 0, 0, 100);
fb.push_rectangle_clip (0, 0, width, height);
fb.draw_rectangle (pipeline, 0, 0, width, height);
fb.pop_clip ();
var ctx = new Cairo.Context (surface);
ctx.set_source_rgba (255, 255, 255, 255);
ctx.rectangle (0, 0, (int) width, (int) height);
ctx.set_operator (Cairo.Operator.SOURCE);
ctx.stroke ();
ctx.restore ();
ctx.paint ();
try {
var texture = new Cogl.Texture2D.from_data (
context.get_framebuffer ().get_context (),
(int) width, (int) height,
Cogl.PixelFormat.BGRA_8888_PRE,
surface.get_stride (), surface.get_data ()
);
pipeline.set_layer_texture (0, texture);
} catch (Error e) {
debug (e.message);
}
var color = Cogl.Color.from_4ub (255, 255, 255, 25);
color.premultiply ();
pipeline.set_color (color);
fb.push_rectangle_clip (0.5f, 0.5f, width - 1, height - 1);
fb.draw_rectangle (pipeline, 0.5f, 0.5f, width - 1, height - 1);
fb.pop_clip ();
unowned var fb = context.get_framebuffer ();
fb.draw_rectangle (pipeline, 0, 0, width, height);
}
#else
public override void paint (Clutter.PaintContext context) {