pixel-editor/js/tools/ResizableTool.js

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JavaScript
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class ResizableTool extends DrawingTool {
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startResizePos = undefined;
currSize = 1;
prevSize = 1;
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toolSizeInput = undefined;
biggerButton = undefined;
smallerButton = undefined;
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constructor(name, options, switchFunc) {
super(name, options, switchFunc);
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this.biggerButton = document.getElementById(name + "-bigger-button");
this.smallerButton = document.getElementById(name + "-smaller-button");
}
onSelect(mousePos) {
super.onSelect(mousePos);
if (this.toolSizeInput == undefined) {
this.toolSizeInput = InputComponents.createNumber(this.name + "-input", "Tool size");
Events.on("change", this.toolSizeInput.getElementsByTagName("input")[0], this.updateSize.bind(this));
}
TopMenuModule.addInfoElement(this.name + "-input", this.toolSizeInput);
TopMenuModule.updateField(this.name + "-input", this.currSize);
}
updateSize(event) {
let value = event.target.value;
this.currSize = value;
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}
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onRightStart(mousePos, mouseEvent) {
this.startResizePos = mousePos;
}
onRightDrag(mousePos, mouseEvent) {
//get new brush size based on x distance from original clicking location
let distanceFromClick = mousePos[0]/currFile.zoom - this.startResizePos[0]/currFile.zoom;
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let brushSizeChange = Math.round(distanceFromClick/10);
let newBrushSize = this.currSize + brushSizeChange;
//set the brush to the new size as long as its bigger than 1 and less than 128
this.currSize = Math.min(Math.max(1,newBrushSize), 128);
//fix offset so the cursor stays centered
this.updateCursor();
this.onHover(this.startResizePos, mouseEvent);
TopMenuModule.updateField(this.name + "-input", this.currSize);
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}
onRightEnd(mousePos, mouseEvent) {
}
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increaseSize() {
if (this.currSize < 128) {
this.currSize++;
this.updateCursor();
TopMenuModule.updateField(this.name + "-input", this.currSize);
}
}
decreaseSize() {
if (this.currSize > 1) {
this.currSize--;
this.updateCursor();
TopMenuModule.updateField(this.name + "-input", this.currSize);
}
}
get size() {
return this.currSize;
}
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}