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Added fill style for transparent background (erase buffer to full transparency)

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Jochen Derwae
2019-11-12 20:10:23 +01:00
parent 0178ece9e3
commit eab5bd744f
1 changed files with 7 additions and 3 deletions
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index.html
+7 -3
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@@ -696,14 +696,18 @@
//canvas.height = settings["screenHeight"];
// Invert background if needed
if (settings["backgroundColor"] != "transparent") {
if (settings["backgroundColor"] == "transparent") {
ctx.fillStyle = "rgba(0,0,0,0.0)";
ctx.globalCompositeOperation = 'copy';
} else {
if (settings["invertColors"]){
settings["backgroundColor"] == "white" ? ctx.fillStyle = "black" : ctx.fillStyle = "white";
}else{
} else {
ctx.fillStyle = settings["backgroundColor"];
}
ctx.fillRect(0, 0, canvas.width, canvas.height);
ctx.globalCompositeOperation = 'source-over';
}
ctx.fillRect(0, 0, canvas.width, canvas.height);
// Offset used for centering the image when requested
var offset_x = 0;