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Slightly refactored selection tool

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Now the move tool doesn't depend on how the selection has been made anymore
This commit is contained in:
Nicola
2021-12-28 23:14:37 +01:00
parent 8df8b3ac54
commit 69d7f12790
4 changed files with 68 additions and 43 deletions
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55
js/tools/RectangularSelectionTool.js
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@@ -97,6 +97,61 @@ class RectangularSelectionTool extends SelectionTool {
console.log("data set");
}
copySelection() {
super.copySelection();
}
cutSelection() {
super.cutSelection();
currFile.currentLayer.context.clearRect(this.currSelection.left-0.5, this.currSelection.top-0.5,
this.currSelection.width, this.currSelection.height);
}
pasteSelection() {
super.pasteSelection();
if (this.currSelection == undefined)
return;
// Clearing the tmp (move preview) and vfx (ants) layers
currFile.TMPLayer.context.clearRect(0, 0, currFile.TMPLayer.canvas.width, currFile.TMPLayer.canvas.height);
currFile.VFXLayer.context.clearRect(0, 0, currFile.VFXLayer.canvas.width, currFile.VFXLayer.canvas.height);
// I have to save the underlying data, so that the transparent pixels in the clipboard
// don't override the coloured pixels in the canvas
let underlyingImageData = currFile.currentLayer.context.getImageData(
this.currSelection.left, this.currSelection.top,
this.currSelection.width+1, this.currSelection.height+1
);
let pasteData = this.currSelection.data.data.slice();
for (let i=0; i<underlyingImageData.data.length; i+=4) {
let currentMovePixel = [
pasteData[i], pasteData[i+1], pasteData[i+2], pasteData[i+3]
];
let currentUnderlyingPixel = [
underlyingImageData.data[i], underlyingImageData.data[i+1],
underlyingImageData.data[i+2], underlyingImageData.data[i+3]
];
// If the pixel of the clipboard is empty, but the one below it isn't, I use the pixel below
if (Util.isPixelEmpty(currentMovePixel)) {
if (!Util.isPixelEmpty(currentUnderlyingPixel)) {
pasteData[i] = currentUnderlyingPixel[0];
pasteData[i+1] = currentUnderlyingPixel[1];
pasteData[i+2] = currentUnderlyingPixel[2];
pasteData[i+3] = currentUnderlyingPixel[3];
}
}
}
currFile.currentLayer.context.putImageData(new ImageData(pasteData, this.currSelection.width+1),
this.currSelection.left, this.currSelection.top
);
currFile.currentLayer.updateLayerPreview();
currFile.VFXLayer.canvas.style.zIndex = MIN_Z_INDEX;
}
onSelect() {
super.onSelect();
}