121 lines
4.9 KiB
JavaScript
121 lines
4.9 KiB
JavaScript
class RectangularSelectionTool extends SelectionTool {
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constructor (name, options, switchFunc, moveTool) {
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super(name, options, switchFunc, moveTool);
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Events.on('click', this.mainButton, switchFunc, this);
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this.resetTutorial();
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this.addTutorialTitle("Rectangular selection tool");
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this.addTutorialKey("M", " to select the rectangular selection tool");
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this.addTutorialKey("Left drag", " to select a rectangular area");
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this.addTutorialKey("Left drag", " to move a selection");
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this.addTutorialKey("Esc", " to cancel a selection");
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this.addTutorialKey("Click", " outside the selection to cancel it");
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this.addTutorialKey("CTRL+C", " to copy a selection");
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this.addTutorialKey("CTRL+V", " to paste a selection");
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this.addTutorialKey("CTRL+X", " to cut a selection");
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this.addTutorialImg("rectselect-tutorial.gif");
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}
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onStart(mousePos, mouseTarget) {
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super.onStart(mousePos, mouseTarget);
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if (Util.isChildOfByClass(mouseTarget, "editor-top-menu") ||
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!Util.cursorInCanvas(currFile.canvasSize, [mousePos[0]/currFile.zoom, mousePos[1]/currFile.zoom]))
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return;
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// Avoiding external selections
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if (this.startMousePos[0] < 0) {
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this.startMousePos[0] = 0;
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}
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else if (this.startMousePos[0] > currFile.currentLayer.canvas.width) {
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this.startMousePos[0] = currFile.currentLayer.canvas.width;
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}
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if (this.startMousePos[1] < 0) {
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this.startMousePos[1] = 0;
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}
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else if (this.startMousePos[1] > currFile.currentLayer.canvas.height) {
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this.startMousePos[1] = currFile.currentLayer.canvas.height;
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}
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// Drawing the rect
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this.drawSelection(this.startMousePos[0], this.startMousePos[1]);
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}
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onDrag(mousePos, mouseTarget) {
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super.onDrag(mousePos, mouseTarget);
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if (Util.isChildOfByClass(mouseTarget, "editor-top-menu") ||
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!Util.cursorInCanvas(currFile.canvasSize, [mousePos[0]/currFile.zoom, mousePos[1]/currFile.zoom]))
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return;
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// Drawing the rect
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this.endMousePos = [Math.floor(mousePos[0] / currFile.zoom), Math.floor(mousePos[1] / currFile.zoom)];
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this.drawSelection(Math.floor(mousePos[0] / currFile.zoom), Math.floor(mousePos[1] / currFile.zoom));
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}
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onEnd(mousePos, mouseTarget) {
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super.onEnd(mousePos, mouseTarget);
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if (Util.isChildOfByClass(mouseTarget, "editor-top-menu"))
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return;
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new HistoryState().EditCanvas();
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// Getting the end position
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this.endMousePos = [Math.floor(mousePos[0] / currFile.zoom), Math.floor(mousePos[1] / currFile.zoom)];
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// Inverting end and start (start must always be the top left corner)
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if (this.endMousePos[0] < this.startMousePos[0]) {
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let tmp = this.endMousePos[0];
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this.endMousePos[0] = this.startMousePos[0];
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this.startMousePos[0] = tmp;
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}
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// Same for the y
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if (this.endMousePos[1] < this.startMousePos[1]) {
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let tmp = this.endMousePos[1];
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this.endMousePos[1] = this.startMousePos[1];
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this.startMousePos[1] = tmp;
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}
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if (Util.cursorInCanvas(currFile.canvasSize, [mousePos[0]/currFile.zoom, mousePos[1]/currFile.zoom])) {
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this.boundingBox.minX = this.startMousePos[0] - 1;
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this.boundingBox.maxX = this.endMousePos[0] + 1;
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this.boundingBox.minY = this.startMousePos[1] - 1;
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this.boundingBox.maxY = this.endMousePos[1] + 1;
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}
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// Switch to the move tool so that the user can move the selection
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this.switchFunc(this.moveTool);
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// Obtain the selected pixels
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this.moveTool.setSelectionData(this.getSelection(), this);
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}
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cutSelection() {
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super.cutSelection();
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currFile.currentLayer.context.clearRect(this.currSelection.left-0.5, this.currSelection.top-0.5,
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this.currSelection.width, this.currSelection.height);
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}
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onSelect() {
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super.onSelect();
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}
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onDeselect() {
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super.onDeselect();
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}
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drawSelection() {
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// Getting the vfx context
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let vfxContext = currFile.VFXLayer.context;
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// Clearing the vfx canvas
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vfxContext.clearRect(0, 0, currFile.VFXLayer.canvas.width, currFile.VFXLayer.canvas.height);
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currFile.VFXLayer.drawLine(this.startMousePos[0], this.startMousePos[1], this.endMousePos[0], this.startMousePos[1], 1);
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currFile.VFXLayer.drawLine(this.endMousePos[0], this.startMousePos[1], this.endMousePos[0], this.endMousePos[1], 1);
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currFile.VFXLayer.drawLine(this.endMousePos[0], this.endMousePos[1], this.startMousePos[0], this.endMousePos[1], 1);
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currFile.VFXLayer.drawLine(this.startMousePos[0], this.endMousePos[1], this.startMousePos[0], this.startMousePos[1], 1);
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}
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} |