mirror of
https://github.com/lospec/pixel-editor.git
synced 2023-08-10 21:12:51 +03:00
Started making selection tools more generic
Will also hopefully remove MoveSelection.js and put its functions in SelectionTool
This commit is contained in:
Nicola
parent
240b0176c3
commit
de2479b007
@ -283,7 +283,7 @@ class Layer {
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previewWidth, previewHeight);
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}
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drawLine(x0,y0,x1,y1, brushSize) {
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drawLine(x0,y0,x1,y1, brushSize, clear=false) {
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var dx = Math.abs(x1-x0);
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var dy = Math.abs(y1-y0);
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var sx = (x0 < x1 ? 1 : -1);
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@ -294,11 +294,10 @@ class Layer {
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//set pixel
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// If the current tool is the brush
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// REFACTOR: this is terrible
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if (ToolManager.currentTool().name == 'brush' || ToolManager.currentTool().name == 'rectangle' || ToolManager.currentTool().name == 'ellipse'
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|| ToolManager.currentTool().name == 'lassoselect') {
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if (!clear) {
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// I fill the rect
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this.context.fillRect(x0-Math.floor(brushSize/2), y0-Math.floor(brushSize/2), brushSize, brushSize);
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} else if (ToolManager.currentTool().name == 'eraser') {
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} else {
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// In case I'm using the eraser I must clear the rect
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this.context.clearRect(x0-Math.floor(brushSize/2), y0-Math.floor(brushSize/2), brushSize, brushSize);
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}
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@ -23,7 +23,7 @@ class EraserTool extends ResizableTool {
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Math.floor(this.prevMousePos[1]/currFile.zoom),
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Math.floor(this.currMousePos[0]/currFile.zoom),
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Math.floor(this.currMousePos[1]/currFile.zoom),
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this.currSize
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this.currSize, true
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);
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}
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@ -1,7 +1,5 @@
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class LassoSelectionTool extends SelectionTool {
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currentPixels = [];
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currSelection = {};
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boundingBox = {minX: 9999999, maxX: -1, minY: 9999999, maxY: -1};
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constructor (name, options, switchFunc, moveTool) {
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super(name, options, switchFunc, moveTool);
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@ -14,30 +12,19 @@ class LassoSelectionTool extends SelectionTool {
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// Putting the vfx layer on top of everything
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currFile.VFXLayer.canvas.style.zIndex = MAX_Z_INDEX;
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// clearSelection();
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this.boundingBox = {minX: 9999999, maxX: -1, minY: 9999999, maxY: -1};
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this.currentPixels = [];
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this.drawSelection();
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this.currentPixels.push([mousePos[0] / currFile.zoom, mousePos[1] / currFile.zoom]);
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}
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onDrag(mousePos) {
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super.onDrag(mousePos);
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let mouseX = mousePos[0] / currFile.zoom;
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let mouseY = mousePos[1] / currFile.zoom;
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super.onDrag(mousePos);
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if (this.currentPixels[this.currentPixels.length - 1] != mousePos)
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this.currentPixels.push([mousePos[0] / currFile.zoom, mousePos[1] / currFile.zoom]);
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this.drawSelection();
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if (mouseX > this.boundingBox.maxX)
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this.boundingBox.maxX = Math.floor(mouseX);
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if (mouseX < this.boundingBox.minX)
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this.boundingBox.minX = Math.floor(mouseX);
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if (mouseY < this.boundingBox.minY)
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this.boundingBox.minY = Math.floor(mouseY);
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if (mouseY > this.boundingBox.maxY)
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this.boundingBox.maxY = Math.floor(mouseY);
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}
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onEnd(mousePos) {
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@ -79,106 +66,12 @@ class LassoSelectionTool extends SelectionTool {
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currFile.VFXLayer.context.moveTo(point[0], point[1]);
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else {
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prevPoint = this.currentPixels[index- 1];
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currFile.VFXLayer.context.lineTo(point[0], point[1]);
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currFile.VFXLayer.drawLine(Math.floor(prevPoint[0]), Math.floor(prevPoint[1]),
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Math.floor(point[0]), Math.floor(point[1]), 1);
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}
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}
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currFile.VFXLayer.drawLine(Math.floor(prevPoint[0]), Math.floor(prevPoint[1]),
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Math.floor(this.startMousePos[0] / currFile.zoom), Math.floor(this.startMousePos[1] / currFile.zoom), 1);
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currFile.VFXLayer.context.lineTo(this.startMousePos[0] / currFile.zoom, this.startMousePos[1] / currFile.zoom);
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currFile.VFXLayer.context.fillStyle = 'rgba(0,0,0,0.3)';
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currFile.VFXLayer.context.fill();
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currFile.VFXLayer.context.closePath();
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}
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cursorInSelectedArea(mousePos) {
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}
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isBorderOfBox(pixel) {
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return pixel[0] == this.boundingBox.minX || pixel[0] == this.boundingBox.maxX ||
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pixel[1] == this.boundingBox.minY || pixel[1] == this.boundingBox.maxY;
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}
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visit(pixel, visited, data) {
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let toVisit = [pixel];
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let selected = [];
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let currVisited = {};
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while (toVisit.length > 0) {
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pixel = toVisit.pop();
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selected.push(pixel);
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visited[pixel] = true;
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currVisited[pixel] = true;
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let col = Util.getPixelColor(data, pixel[0], pixel[1], currFile.canvasSize[0]);
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if (col[3] == 255)
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continue;
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if (this.isBorderOfBox(pixel))
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return [];
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let top, bottom, left, right;
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if (pixel[1] > 0)
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top = [pixel[0], pixel[1] - 1];
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else
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top = undefined;
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if (pixel[0] > 0)
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left = [pixel[0] - 1, pixel[1]];
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else
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left = undefined;
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if (pixel[1] < currFile.canvasSize[1])
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bottom = [pixel[0], pixel[1] + 1];
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else
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bottom = undefined;
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if (pixel[0] < currFile.canvasSize[0])
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right = [pixel[0] + 1, pixel[1]];
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else
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right = undefined;
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// The include problem: https://stackoverflow.com/questions/19543514/check-whether-an-array-exists-in-an-array-of-arrays
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if (right != undefined && currVisited[right] == undefined)
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toVisit.push(right);
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if (left != undefined && currVisited[left] == undefined)
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toVisit.push(left);
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if (top != undefined && currVisited[top] == undefined)
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toVisit.push(top);
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if (bottom != undefined && currVisited[bottom] == undefined)
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toVisit.push(bottom);
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}
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return selected;
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}
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getSelection() {
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let selected = [];
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let visited = {};
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let data = currFile.VFXLayer.context.getImageData(0, 0, currFile.canvasSize[0], currFile.canvasSize[1]).data;
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if (this.currentPixels.length <= 1){
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return;
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}
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for (let x=this.boundingBox.minX; x<=this.boundingBox.maxX; x++) {
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for (let y=this.boundingBox.minY; y<=this.boundingBox.maxY; y++) {
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if (visited[[x, y]] == undefined) {
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let insidePixels = this.visit([x,y], visited, data);
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for (let i=0; i<insidePixels.length; i++) {
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selected.push(insidePixels[i]);
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}
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}
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}
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}
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for (let i=0; i<selected.length; i++) {
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currFile.VFXLayer.context.fillStyle = "red";
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currFile.VFXLayer.context.fillRect(selected[i][0], selected[i][1], 1, 1);
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}
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currFile.VFXLayer.drawLine(Math.floor(point[0]), Math.floor(point[1]),
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Math.floor(this.currentPixels[0][0]), Math.floor(this.currentPixels[0][1]), 1);
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}
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}
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@ -76,8 +76,8 @@ class MoveSelectionTool extends DrawingTool {
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// put the image data on the tmp layer with offset
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currFile.TMPLayer.context.putImageData(
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this.currSelection.data,
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Math.round(mousePos[0] / currFile.zoom) - this.currSelection.width / 2,
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Math.round(mousePos[1] / currFile.zoom) - this.currSelection.height / 2);
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Math.floor(mousePos[0] / currFile.zoom - this.currSelection.width / 2),
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Math.floor(mousePos[1] / currFile.zoom - this.currSelection.height / 2));
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}
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onEnd(mousePos) {
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@ -13,8 +13,9 @@ class RectangularSelectionTool extends SelectionTool {
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currFile.VFXLayer.canvas.style.zIndex = MAX_Z_INDEX;
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// Saving the start coords of the rect
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this.startMousePos[0] = Math.round(this.startMousePos[0] / currFile.zoom) - 0.5;
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this.startMousePos[1] = Math.round(this.startMousePos[1] / currFile.zoom) - 0.5;
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this.startMousePos = [Math.floor(mousePos[0] / currFile.zoom),
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Math.floor(mousePos[1] / currFile.zoom)];
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this.endMousePos = [this.startMousePos[0], this.startMousePos[1]];
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// Avoiding external selections
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if (this.startMousePos[0] < 0) {
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@ -39,7 +40,8 @@ class RectangularSelectionTool extends SelectionTool {
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super.onDrag(mousePos);
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// Drawing the rect
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this.drawSelection(Math.round(mousePos[0] / currFile.zoom) + 0.5, Math.round(mousePos[1] / currFile.zoom) + 0.5);
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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) {
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@ -47,8 +49,7 @@ class RectangularSelectionTool extends SelectionTool {
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new HistoryState().EditCanvas();
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// Getting the end position
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this.endMousePos[0] = Math.round(this.endMousePos[0] / currFile.zoom) + 0.5;
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this.endMousePos[1] = Math.round(this.endMousePos[1] / currFile.zoom) + 0.5;
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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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@ -63,6 +64,18 @@ class RectangularSelectionTool extends SelectionTool {
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this.startMousePos[1] = tmp;
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}
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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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// Obtain the selected pixels
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this.getSelection();
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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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this.moveTool.setSelectionData(null, this);
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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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// Preparing data for the move tool
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@ -83,12 +96,13 @@ class RectangularSelectionTool extends SelectionTool {
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// Moving the selection to the TMP layer. It will be moved back to the original
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// layer if the user will cancel or end the selection
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currFile.currentLayer.context.clearRect(this.startMousePos[0] - 0.5, this.startMousePos[1] - 0.5,
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currFile.currentLayer.context.clearRect(this.startMousePos[0], this.startMousePos[1],
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dataWidth + 1, dataHeight + 1);
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// Moving those pixels from the current layer to the tmp layer
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currFile.TMPLayer.context.putImageData(this.currSelection.data, this.startMousePos[0], this.startMousePos[1]);
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this.moveTool.setSelectionData(this.currSelection, this);
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this.moveTool.setSelectionData(this.currSelection, this);*/
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}
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copySelection() {
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@ -160,15 +174,11 @@ class RectangularSelectionTool extends SelectionTool {
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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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vfxContext.lineWidth = 1;
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vfxContext.strokeStyle = 'black';
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vfxContext.setLineDash([4]);
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// Drawing the rect
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vfxContext.beginPath();
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vfxContext.rect(this.startMousePos[0], this.startMousePos[1], x - this.startMousePos[0], y - this.startMousePos[1]);
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vfxContext.stroke();
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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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/** Moves the rect ants to the specified position
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@ -187,34 +197,19 @@ class RectangularSelectionTool extends SelectionTool {
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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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vfxContext.lineWidth = 1;
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vfxContext.setLineDash([4]);
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// Fixing the coordinates
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this.currSelection.left = Math.round(Math.round(x) - 0.5 - Math.round(width / 2)) + 0.5;
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this.currSelection.top = Math.round(Math.round(y) - 0.5 - Math.round(height / 2)) + 0.5;
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this.currSelection.right = this.currSelection.left + Math.round(width);
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this.currSelection.bottom = this.currSelection.top + Math.round(height);
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this.currSelection.left = Math.floor(x - (width / 2));
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this.currSelection.top = Math.floor(y - (height / 2));
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this.currSelection.right = this.currSelection.left + Math.floor(width);
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this.currSelection.bottom = this.currSelection.top + Math.floor(height);
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// Drawing the rect
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vfxContext.beginPath();
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vfxContext.rect(this.currSelection.left, this.currSelection.top, width, height);
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vfxContext.stroke();
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currFile.VFXLayer.drawLine(this.currSelection.left, this.currSelection.top, this.currSelection.right, this.currSelection.top, 1);
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currFile.VFXLayer.drawLine(this.currSelection.right, this.currSelection.top, this.currSelection.right, this.currSelection.bottom, 1);
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currFile.VFXLayer.drawLine(this.currSelection.right, this.currSelection.bottom, this.currSelection.left, this.currSelection.bottom, 1);
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currFile.VFXLayer.drawLine(this.currSelection.left, this.currSelection.bottom, this.currSelection.left, this.currSelection.top, 1);
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return ret;
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}
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cursorInSelectedArea(cursorPos) {
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// Getting the coordinates relatively to the canvas
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let x = cursorPos[0] / currFile.zoom;
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let y = cursorPos[1] / currFile.zoom;
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if (this.currSelection.left <= x && x <= this.currSelection.right) {
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if (y <= this.currSelection.bottom && y >= this.currSelection.top) {
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return true;
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}
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return false;
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}
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return false;
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}
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}
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@ -1,7 +1,21 @@
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/** TODO
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* - Once the selected pixels have been obtained, save the selection outline in an image data
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* - At the same time, create another image data and put the selected pixels in it
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* - The move tool will then move those image datas and they'll be pasted on the right layer
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* at the end of the selection
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*
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*/
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class SelectionTool extends Tool {
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switchFunc = undefined;
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moveTool = undefined;
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boundingBox = {minX: 9999999, maxX: -1, minY: 9999999, maxY: -1};
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currSelection = {};
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previewData = undefined;
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selectedPixel = undefined;
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constructor(name, options, switchFunc, moveTool) {
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super(name, options);
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@ -9,11 +23,138 @@ class SelectionTool extends Tool {
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this.switchFunc = switchFunc;
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}
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onStart(mousePos) {
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super.onStart(mousePos);
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let mouseX = mousePos[0] / currFile.zoom;
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let mouseY = mousePos[1] / currFile.zoom;
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this.boundingBox = {minX: 9999999, maxX: -1, minY: 9999999, maxY: -1};
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this.currSelection = {};
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this.updateBoundingBox(mouseX, mouseY);
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}
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onDrag(mousePos) {
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let mouseX = mousePos[0] / currFile.zoom;
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let mouseY = mousePos[1] / currFile.zoom;
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this.updateBoundingBox(mouseX, mouseY);
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}
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cutSelection() {}
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pasteSelection(){}
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copySelection(){}
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cursorInSelectedArea(){}
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cursorInSelectedArea(mousePos) {
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let floored = [Math.floor(mousePos[0] / currFile.zoom), Math.floor(mousePos[1] / currFile.zoom)];
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if (this.currSelection[floored] != undefined)
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return true;
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return false;
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}
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visit(pixel, visited, data) {
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let toVisit = [pixel];
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let selected = [];
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let currVisited = {};
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currFile.TMPLayer.context.clearRect(0, 0, 512, 512);
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while (toVisit.length > 0) {
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pixel = toVisit.pop();
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selected.push(pixel);
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visited[pixel] = true;
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currVisited[pixel] = true;
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let col = Util.getPixelColor(data, pixel[0], pixel[1], currFile.canvasSize[0]);
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if (col[3] == 255)
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continue;
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if (this.isBorderOfBox(pixel))
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return [];
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let top, bottom, left, right;
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if (pixel[1] > 0)
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top = [pixel[0], pixel[1] - 1];
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else
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top = undefined;
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if (pixel[0] > 0)
|
||||
left = [pixel[0] - 1, pixel[1]];
|
||||
else
|
||||
left = undefined;
|
||||
|
||||
if (pixel[1] < currFile.canvasSize[1])
|
||||
bottom = [pixel[0], pixel[1] + 1];
|
||||
else
|
||||
bottom = undefined;
|
||||
|
||||
if (pixel[0] < currFile.canvasSize[0])
|
||||
right = [pixel[0] + 1, pixel[1]];
|
||||
else
|
||||
right = undefined;
|
||||
|
||||
if (right != undefined && currVisited[right] == undefined)
|
||||
toVisit.push(right);
|
||||
if (left != undefined && currVisited[left] == undefined)
|
||||
toVisit.push(left);
|
||||
if (top != undefined && currVisited[top] == undefined)
|
||||
toVisit.push(top);
|
||||
if (bottom != undefined && currVisited[bottom] == undefined)
|
||||
toVisit.push(bottom);
|
||||
}
|
||||
|
||||
return selected;
|
||||
}
|
||||
|
||||
getSelection() {
|
||||
let selected = [];
|
||||
let visited = {};
|
||||
let data = currFile.VFXLayer.context.getImageData(0, 0, currFile.canvasSize[0], currFile.canvasSize[1]).data;
|
||||
|
||||
/*
|
||||
currFile.VFXLayer.context.fillStyle = "red";
|
||||
currFile.VFXLayer.context.fillRect(this.boundingBox.minX, this.boundingBox.minY, 1, 1);
|
||||
currFile.VFXLayer.context.fillRect(this.boundingBox.maxX, this.boundingBox.minY, 1, 1);
|
||||
currFile.VFXLayer.context.fillRect(this.boundingBox.minX, this.boundingBox.maxY, 1, 1);
|
||||
currFile.VFXLayer.context.fillRect(this.boundingBox.maxX, this.boundingBox.maxY, 1, 1);
|
||||
*/
|
||||
|
||||
for (let x=this.boundingBox.minX-1; x<=this.boundingBox.maxX+1; x++) {
|
||||
for (let y=this.boundingBox.minY-1; y<=this.boundingBox.maxY+1; y++) {
|
||||
if (visited[[x, y]] == undefined) {
|
||||
let insidePixels = this.visit([x,y], visited, data);
|
||||
|
||||
for (let i=0; i<insidePixels.length; i++) {
|
||||
selected.push(insidePixels[i]);
|
||||
this.currSelection[insidePixels[i]] = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
for (const key in this.currSelection) {
|
||||
currFile.VFXLayer.context.fillStyle = "blue";
|
||||
currFile.VFXLayer.context.fillRect(parseInt(key.split(",")[0]), parseInt(key.split(",")[1]), 1, 1);
|
||||
}
|
||||
}
|
||||
|
||||
isBorderOfBox(pixel) {
|
||||
return pixel[0] == this.boundingBox.minX || pixel[0] == this.boundingBox.maxX ||
|
||||
pixel[1] == this.boundingBox.minY || pixel[1] == this.boundingBox.maxY;
|
||||
}
|
||||
|
||||
updateBoundingBox(mouseX, mouseY) {
|
||||
if (mouseX > this.boundingBox.maxX)
|
||||
this.boundingBox.maxX = Math.floor(mouseX);
|
||||
if (mouseX < this.boundingBox.minX)
|
||||
this.boundingBox.minX = Math.floor(mouseX);
|
||||
if (mouseY < this.boundingBox.minY)
|
||||
this.boundingBox.minY = Math.floor(mouseY);
|
||||
if (mouseY > this.boundingBox.maxY)
|
||||
this.boundingBox.maxY = Math.floor(mouseY);
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user