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app: change background for js

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Default window background is white.
JS default background is transparent black.

Signed-off-by: Paulo Melo <paulo.durrer.melo@gmail.com>
This commit is contained in:
Paulo Melo
2021-02-17 21:10:11 +00:00
committed by Elias Naur
parent 29af250ac6
commit 3987815469
1 changed files with 7 additions and 1 deletions
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app/loop.go
+6
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@@ -86,7 +86,13 @@ func (l *renderLoop) renderLoop(ctx window.Context) error {
l.refreshErr <- ctx.MakeCurrent() l.refreshErr <- ctx.MakeCurrent()
case frame := <-l.frames: case frame := <-l.frames:
ctx.Lock() ctx.Lock()
if runtime.GOOS == "js" {
// Use transparent black when Gio is embedded, to allow mixing of Gio and
// foreign content below.
g.Clear(color.NRGBA{A: 0x00, R: 0x00, G: 0x00, B: 0x00})
} else {
g.Clear(color.NRGBA{A: 0xff, R: 0xff, G: 0xff, B: 0xff}) g.Clear(color.NRGBA{A: 0xff, R: 0xff, G: 0xff, B: 0xff})
}
g.Collect(frame.viewport, frame.ops) g.Collect(frame.viewport, frame.ops)
// Signal that we're done with the frame ops. // Signal that we're done with the frame ops.
l.ack <- struct{}{} l.ack <- struct{}{}