22736238c1
As described on https://github.com/fabricjs/fabric.js/issues/6420#issuecomment-650747872 Fixes rotation marker appearing when selecting, and when ungrouping
119 lines
3.1 KiB
TypeScript
119 lines
3.1 KiB
TypeScript
// Copyright: Ankitects Pty Ltd and contributors
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// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
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import { fabric } from "fabric";
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import { BORDER_COLOR, SHAPE_MASK_COLOR, stopDraw } from "./lib";
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import { undoStack } from "./tool-undo-redo";
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export const drawRectangle = (canvas: fabric.Canvas): void => {
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canvas.selectionColor = "rgba(0, 0, 0, 0)";
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let rect, isDown, origX, origY;
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stopDraw(canvas);
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canvas.on("mouse:down", function(o) {
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if (o.target) {
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return;
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}
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isDown = true;
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const pointer = canvas.getPointer(o.e);
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origX = pointer.x;
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origY = pointer.y;
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rect = new fabric.Rect({
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id: "rect-" + new Date().getTime(),
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left: origX,
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top: origY,
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originX: "left",
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originY: "top",
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width: pointer.x - origX,
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height: pointer.y - origY,
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angle: 0,
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fill: SHAPE_MASK_COLOR,
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transparentCorners: false,
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selectable: true,
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stroke: BORDER_COLOR,
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strokeWidth: 1,
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strokeUniform: true,
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noScaleCache: false,
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});
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canvas.add(rect);
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});
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canvas.on("mouse:move", function(o) {
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if (!isDown) {
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return;
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}
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const pointer = canvas.getPointer(o.e);
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let x = pointer.x;
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let y = pointer.y;
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if (x < origX) {
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rect.set({ originX: "right" });
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} else {
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rect.set({ originX: "left" });
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}
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if (y < origY) {
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rect.set({ originY: "bottom" });
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} else {
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rect.set({ originY: "top" });
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}
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// do not draw outside of canvas
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if (x < rect.strokeWidth) {
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x = -rect.strokeWidth + 0.5;
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}
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if (y < rect.strokeWidth) {
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y = -rect.strokeWidth + 0.5;
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}
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if (x >= canvas.width - rect.strokeWidth) {
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x = canvas.width - rect.strokeWidth + 0.5;
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}
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if (y >= canvas.height - rect.strokeWidth) {
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y = canvas.height - rect.strokeWidth + 0.5;
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}
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rect.set({
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width: Math.abs(x - rect.left),
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height: Math.abs(y - rect.top),
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});
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canvas.renderAll();
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});
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canvas.on("mouse:up", function() {
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isDown = false;
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// probably changed from rectangle to ellipse
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if (!rect) {
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return;
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}
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if (rect.width < 5 || rect.height < 5) {
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canvas.remove(rect);
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rect = undefined;
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return;
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}
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if (rect.originX === "right") {
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rect.set({
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originX: "left",
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left: rect.left - rect.width + rect.strokeWidth,
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});
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}
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if (rect.originY === "bottom") {
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rect.set({
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originY: "top",
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top: rect.top - rect.height + rect.strokeWidth,
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});
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}
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rect.setCoords();
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canvas.setActiveObject(rect);
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undoStack.onObjectAdded(rect.id);
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rect = undefined;
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});
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};
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