pixel-editor/js/tools/BrushTool.js

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JavaScript
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class BrushTool extends ResizableTool {
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constructor(name, options, switchFunction) {
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super(name, options);
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Events.on('click', this.mainButton, switchFunction, this);
Events.on('click', this.biggerButton, this.increaseSize.bind(this));
Events.on('click', this.smallerButton, this.decreaseSize.bind(this));
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}
onStart(mousePos) {
super.onStart(mousePos);
new HistoryState().EditCanvas();
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}
onDrag(mousePos, cursorTarget) {
super.onDrag(mousePos);
if (cursorTarget === undefined)
return;
//draw line to current pixel
if (cursorTarget.className == 'drawingCanvas' || cursorTarget.className == 'drawingCanvas') {
currFile.currentLayer.drawLine(Math.floor(this.prevMousePos[0]/currFile.zoom),
Math.floor(this.prevMousePos[1]/currFile.zoom),
Math.floor(this.currMousePos[0]/currFile.zoom),
Math.floor(this.currMousePos[1]/currFile.zoom),
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this.currSize
);
}
currFile.currentLayer.updateLayerPreview();
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}
onEnd(mousePos) {
super.onEnd(mousePos);
}
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onSelect() {
super.onSelect();
}
onDeselect() {
super.onDeselect();
}
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}