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Compute correctly the bounding box of a transformed rectangle (fixes #17065)

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Calixte Denizet 2023-10-03 22:46:50 +02:00
parent 4245d87de5
commit 1be9bbd2e1
4 changed files with 15 additions and 4 deletions
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11
src/display/canvas.js
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@ -517,10 +517,13 @@ class CanvasExtraState {
updateRectMinMax(transform, rect) {
const p1 = Util.applyTransform(rect, transform);
const p2 = Util.applyTransform(rect.slice(2), transform);
this.minX = Math.min(this.minX, p1[0], p2[0]);
this.minY = Math.min(this.minY, p1[1], p2[1]);
this.maxX = Math.max(this.maxX, p1[0], p2[0]);
this.maxY = Math.max(this.maxY, p1[1], p2[1]);
const p3 = Util.applyTransform([rect[0], rect[3]], transform);
const p4 = Util.applyTransform([rect[2], rect[1]], transform);
this.minX = Math.min(this.minX, p1[0], p2[0], p3[0], p4[0]);
this.minY = Math.min(this.minY, p1[1], p2[1], p3[1], p4[1]);
this.maxX = Math.max(this.maxX, p1[0], p2[0], p3[0], p4[0]);
this.maxY = Math.max(this.maxY, p1[1], p2[1], p3[1], p4[1]);
}
updateScalingPathMinMax(transform, minMax) {