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fix(svg): duplicate id for background rect with multiple charts #1002

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merged 3 commits into from Nov 16, 2023
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2 changes: 1 addition & 1 deletion src/canvas/Layer.ts
Expand Up @@ -311,7 +311,7 @@ export default class Layer extends Eventful {
* rect if and only if it's not painted this frame and was
* previously painted on the canvas.
*/
const shouldPaint = el.shouldBePainted(viewWidth, viewHeight, true, true);
const shouldPaint = el && el.shouldBePainted(viewWidth, viewHeight, true, true);
if (el && (!shouldPaint || !el.__zr) && el.__isRendered) {
// el was removed
const prevRect = el.getPrevPaintRect();
Expand Down
3 changes: 1 addition & 2 deletions src/svg/Painter.ts
Expand Up @@ -374,8 +374,7 @@ function createBackgroundVNode(
width,
height,
x: '0',
y: '0',
id: '0'
y: '0'
}
);
if (isGradient(backgroundColor)) {
Expand Down
3 changes: 1 addition & 2 deletions test/svg-backgroundColor.html
Expand Up @@ -42,7 +42,7 @@
}
});
zr.add(txt);

var linearGradient = new zrender.LinearGradient();
linearGradient.addColorStop(0, '#a598e1');
linearGradient.addColorStop(1, '#14c4ba');
Expand Down Expand Up @@ -95,7 +95,6 @@
else {
bg = text = 'none';
}
console.log(text);
zr.setBackgroundColor(bg);
txt.setStyle({ text: 'SVG BackgroundColor: ' + text });
i++;
Expand Down