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Fix flipped resizing

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DD 2018-06-21 10:43:41 -04:00
parent 9c73d1a7d9
commit a0faa1418e
1 changed files with 18 additions and 4 deletions
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22
src/helper/bit-tools/select-tool.js
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@ -137,15 +137,29 @@ class SelectTool extends paper.Tool {
// @todo: Currently, we can't avoid anti-aliasing when the image is both scaled down on both axes and rotated.
let canvas = item.canvas;
if (item.matrix.a !== 1) {
const tmpCanvas = createCanvas(Math.round(item.size.width * item.matrix.a), canvas.height);
const tmpCanvas = createCanvas(Math.round(item.size.width * Math.abs(item.matrix.a)), canvas.height);
const context = tmpCanvas.getContext('2d');
context.drawImage(canvas, 0, 0, tmpCanvas.width, tmpCanvas.height);
if (item.matrix.a < 0) {
context.save();
context.scale(-1, 1);
context.drawImage(canvas, 0, 0, -tmpCanvas.width, tmpCanvas.height);
context.restore();
} else {
context.drawImage(canvas, 0, 0, tmpCanvas.width, tmpCanvas.height);
}
canvas = tmpCanvas;
}
if (item.matrix.d !== 1) {
const tmpCanvas = createCanvas(canvas.width, Math.round(item.size.height * item.matrix.d));
const tmpCanvas = createCanvas(canvas.width, Math.round(item.size.height * Math.abs(item.matrix.d)));
const context = tmpCanvas.getContext('2d');
context.drawImage(canvas, 0, 0, tmpCanvas.width, tmpCanvas.height);
if (item.matrix.d < 0) {
context.save();
context.scale(1, -1);
context.drawImage(canvas, 0, 0, tmpCanvas.width, -tmpCanvas.height);
context.restore();
} else {
context.drawImage(canvas, 0, 0, tmpCanvas.width, tmpCanvas.height);
}
canvas = context.canvas;
}
getRaster().drawImage(canvas, item.bounds.topLeft);