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HACKING.md: Update sample code to use paint context

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https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/827
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Jonas Ådahl 2019-11-28 11:19:27 +01:00 committed by Georges Basile Stavracas Neto
parent 632a643994
commit 8c4d07ba92
1 changed files with 10 additions and 4 deletions
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HACKING.md
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@ -163,11 +163,17 @@ you to inherit from a type to use it, you can do so:
return [100, 100]; return [100, 100];
} }
vfunc_paint() { vfunc_paint(paintContext) {
let framebuffer = paintContext.get_framebuffer();
let coglContext = framebuffer.get_context();
let alloc = this.get_allocation_box(); let alloc = this.get_allocation_box();
Cogl.set_source_color4ub(255, 0, 0, 255);
Cogl.rectangle(alloc.x1, alloc.y1, let pipeline = new Cogl.Pipeline(coglContext);
alloc.x2, alloc.y2); pipeline.set_color4ub(255, 0, 0, 255);
framebuffer.draw_rectangle(pipeline,
alloc.x1, alloc.y1,
alloc.x2, alloc.y2);
} }
}); });
``` ```