1290 lines
35 KiB
Vue
1290 lines
35 KiB
Vue
<template>
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<div>
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<div
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id="canvas-area"
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@mouseleave="isMouseOnCanvas = false"
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@mouseenter="isMouseOnCanvas = true"
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>
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<vue-draggable-resizable
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style="z-index: 5"
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:grid="[currentAscii.blockWidth, currentAscii.blockHeight]"
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:w="canvas.width"
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:h="canvas.height"
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:draggable="$store.getters.currentTool === 0"
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@resizestop="onCanvasResize"
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@dragstop="onCavasDragStop"
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:x="currentAscii.x"
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:y="currentAscii.y"
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>
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<canvas
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ref="canvastools"
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id="canvastools"
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class="canvastools"
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:width="canvas.width"
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:height="canvas.height"
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@mousemove="canvasMouseMove"
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@mousedown="canvasMouseDown"
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@mouseup="canvasMouseUp"
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></canvas>
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<canvas
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ref="canvas"
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id="canvas"
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class="canvas"
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:width="canvas.width"
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:height="canvas.height"
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@mousemove="canvasMouseMove"
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@mousedown="canvasMouseDown"
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@mouseup="canvasMouseUp"
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></canvas>
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</vue-draggable-resizable>
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</div>
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</div>
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</template>
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<style>
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body {
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background: #eee;
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}
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.canvastools {
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position: absolute;
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z-index: 100;
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opacity: 0.5;
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cursor: crosshair;
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}
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.canvas {
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position: absolute;
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background: rgba(0, 0, 0, 0.8);
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border: lightgrey 1px solid;
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z-index: 0;
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}
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</style>
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<script>
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import { emptyBlock, toolbarIcons, mircColours99 } from "./../ascii.js";
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export default {
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name: "Editor",
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mounted() {
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if (this.currentAsciiBlocks) {
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this.ctx = this.$refs.canvas.getContext("2d");
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this.toolCtx = this.$refs.canvastools.getContext("2d");
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this.canvas.width =
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this.currentAscii.width * this.currentAscii.blockWidth;
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this.canvas.height =
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this.currentAscii.height * this.currentAscii.blockHeight;
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this.delayRedrawCanvas();
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this.$store.commit("changeTool", 0);
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const _this = this;
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this._keyListener = function (e) {
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e.preventDefault();
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if (this.isTextEditing) {
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_this.canvasKeyDown(e.key);
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return;
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}
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let ctrlKey = e.ctrlKey || e.metaKey;
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// Ctrl Z here
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// skg - thanks for mac key suggestion, bro
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if (e.key === "z" && ctrlKey) {
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this.undo();
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}
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// Ctrl Y here
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if (e.key === "y" && ctrlKey) {
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// Fk it works :\
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this.redo();
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}
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// Ctrl C - copy blocks
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if (e.key === "c" && ctrlKey) {
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if (this.selectedBlocks.length) {
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this.$store.commit("selectBlocks", this.selectedBlocks);
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this.selectedBlocks = [];
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}
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}
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// Ctrl V - paste blocks
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if (e.key === "v" && ctrlKey) {
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if (this.haveSelectBlocks) {
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this.$store.commit("brushBlocks", this.selectBlocks);
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this.$store.commit("changeTool", 4);
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}
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}
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if (e.key === "d" && ctrlKey) {
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this.$store.commit("toggleDebugPanel", !this.debugPanelState.visible);
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}
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};
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document.addEventListener("keydown", this._keyListener.bind(this));
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}
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},
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data: () => ({
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ctx: null,
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toolCtx: null,
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canvas: {
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width: 512,
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height: 512,
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},
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x: 0, // Ascii X and Y
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y: 0, // Ascii X and Y
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redraw: true, // Used to limit canvas redraw
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canTool: false,
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textEditing: {
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startX: null,
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startY: null,
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},
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selecting: {
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startX: null,
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startY: null,
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endX: null,
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endY: null,
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canSelect: false,
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},
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isMouseOnCanvas: false,
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selectedBlocks: [],
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}),
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computed: {
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currentAscii() {
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return this.$store.getters.currentAscii;
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},
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currentAsciiBlocks() {
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return this.$store.getters.currentAsciiBlocks;
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},
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currentTool() {
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return toolbarIcons[this.$store.getters.currentTool];
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},
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mircColours() {
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return this.$store.getters.mircColours;
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},
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canFg() {
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return this.$store.getters.isTargettingFg;
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},
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canBg() {
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return this.$store.getters.isTargettingBg;
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},
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canText() {
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return this.$store.getters.isTargettingChar;
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},
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currentFg() {
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return this.$store.getters.currentFg;
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},
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currentBg() {
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return this.$store.getters.currentBg;
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},
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currentChar() {
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return this.$store.getters.getChar;
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},
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isTextEditing() {
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return this.currentTool.name === "text";
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},
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isSelecting() {
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return this.currentTool.name === "select";
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},
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isSelected() {
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return (
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this.selecting.startX &&
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this.selecting.startY &&
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this.selecting.endX &&
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this.selecting.endY
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);
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},
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brushBlocks() {
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return this.$store.getters.brushBlocks;
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},
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canvasX() {
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return this.x * this.currentAscii.blockWidth;
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},
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canvasY() {
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return this.y * this.currentAscii.blockHeight;
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},
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toolbarState() {
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return this.$store.getters.toolbarState;
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},
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mirrorX() {
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return this.toolbarState.mirrorX;
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},
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mirrorY() {
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return this.toolbarState.mirrorY;
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},
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debugPanelState() {
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return this.$store.getters.debugPanel;
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},
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brushBlocks() {
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return this.$store.getters.brushBlocks;
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},
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selectBlocks() {
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return this.$store.getters.selectBlocks;
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},
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options() {
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return this.$store.getters.options;
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},
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haveSelectBlocks() {
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return this.selectBlocks.length ? true : false;
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},
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mircColours() {
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return mircColours99;
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}
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},
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watch: {
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currentAscii(val, old) {
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if (val !== old) {
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this.onCanvasResize(
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100,
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100,
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this.currentAscii.width * this.currentAscii.blockWidth,
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this.currentAscii.height * this.currentAscii.blockHeight
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);
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this.canvas.width =
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this.currentAscii.width * this.currentAscii.blockWidth;
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this.canvas.height =
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this.currentAscii.height * this.currentAscii.blockHeight;
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this.delayRedrawCanvas();
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document.title = `asciibird - ${this.currentAscii.title}`;
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}
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},
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currentTool() {
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switch (this.currentTool.name) {
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case "default":
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// Reset default values for tools
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this.textEditing = {
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startX: null,
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startY: null,
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};
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this.selecting = {
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startX: null,
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startY: null,
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endX: null,
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endY: null,
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canSelect: false,
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};
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break;
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}
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},
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isMouseOnCanvas() {
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if (!this.isSelecting) {
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this.clearToolCanvas();
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this.canTool = false;
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}
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},
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},
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methods: {
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undo() {
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this.$store.commit("undoBlocks");
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this.delayRedrawCanvas();
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},
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redo() {
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this.$store.commit("redoBlocks");
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this.delayRedrawCanvas();
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},
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redrawSelect() {
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if (this.currentAsciiBlocks.length) {
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this.clearToolCanvas();
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this.toolCtx.fillStyle = this.mircColours[0];
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this.toolCtx.fillRect(
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this.selecting.startX,
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this.selecting.startY,
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this.selecting.endX - this.selecting.startX,
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this.selecting.endY - this.selecting.startY
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);
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this.toolCtx.stroke();
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}
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},
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redrawCanvas() {
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// Clears the whole canvas, we can maybe get a better way to check how far
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// we need to clear the canvas
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this.ctx.clearRect(0, 0, 10000, 10000);
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if (this.currentAsciiBlocks.length) {
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const BLOCK_WIDTH = this.currentAscii.blockWidth;
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const BLOCK_HEIGHT = this.currentAscii.blockHeight;
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// Position of the meta array
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let x = 0;
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let y = 0;
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// Draws the actual rectangle
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let canvasX = 0;
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let canvasY = 0;
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let curBlock = {};
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// hack font for ascii shout outs 2 beenz
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this.ctx.font = "13px Hack";
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for (y = 0; y < this.currentAscii.height + 1; y++) {
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canvasY = BLOCK_HEIGHT * y;
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for (x = 0; x < this.currentAscii.width + 1; x++) {
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if (this.currentAsciiBlocks[y] && this.currentAsciiBlocks[y][x]) {
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curBlock = { ...this.currentAsciiBlocks[y][x] };
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canvasX = BLOCK_WIDTH * x;
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// Background block
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if (curBlock.bg !== null) {
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this.ctx.fillStyle = this.mircColours[curBlock.bg];
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this.ctx.fillRect(canvasX, canvasY, BLOCK_WIDTH, BLOCK_HEIGHT);
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}
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if (curBlock.char) {
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if (curBlock.fg !== null) {
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this.ctx.fillStyle = this.mircColours[curBlock.fg];
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} else {
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this.ctx.fillStyle = "#000000";
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}
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this.ctx.fillText(
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curBlock.char,
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canvasX + 0.5,
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canvasY + BLOCK_HEIGHT - 3
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);
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}
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}
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}
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}
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}
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this.ctx.stroke();
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},
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onCanvasResize(left, top, width, height) {
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const blocks = this.currentAsciiBlocks;
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const oldWidth = blocks[0].length;
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const oldHeight = blocks.length;
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const canvasBlockHeight = Math.floor(
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height / this.currentAscii.blockHeight
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);
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const canvasBlockWidth = Math.floor(width / this.currentAscii.blockWidth);
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if (canvasBlockHeight > oldHeight || canvasBlockWidth > oldWidth) {
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// console.log({ canvasBlockHeight, oldHeight });
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for (let y = 0; y < canvasBlockHeight; y++) {
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// New row
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if (!blocks[y]) {
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blocks[y] = [];
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for (let x = 0; x < canvasBlockWidth; x++) {
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blocks[y][x] = { ...emptyBlock };
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}
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} else {
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// blocks[y]
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// no new rows but new cols
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for (let x = 0; x < canvasBlockWidth; x++) {
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if (blocks[y] && !blocks[y][x]) {
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blocks[y][x] = { ...emptyBlock };
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}
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}
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}
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}
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}
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if (canvasBlockWidth > oldWidth) {
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// console.log({ canvasBlockWidth, oldWidth });
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}
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this.canvas.width = width;
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this.canvas.height = height;
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this.$store.commit("changeAsciiWidthHeight", {
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width: canvasBlockWidth,
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height: canvasBlockHeight,
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});
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this.$store.commit("updateAsciiBlocks", blocks);
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// Restructure blocks code here
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this.delayRedrawCanvas();
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},
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onCavasDragStop(x, y) {
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// Update left and top in panel
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this.$store.commit("changeAsciiCanvasState", { x, y });
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},
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canvasKeyDown(char) {
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if (this.isTextEditing) {
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if (
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this.currentAsciiBlocks[this.textEditing.startY] &&
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this.currentAsciiBlocks[this.textEditing.startY][
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this.textEditing.startX
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]
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) {
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var targetBlock =
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this.currentAsciiBlocks[this.textEditing.startY][
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this.textEditing.startX
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];
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switch (char) {
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case "Backspace":
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if (
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this.currentAsciiBlocks[this.textEditing.startY][
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this.textEditing.startX - 1
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]
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) {
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this.textEditing.startX--;
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targetBlock.char = null;
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}
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break;
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default:
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if (char.length === 1) {
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if (this.canFg) {
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targetBlock.fg = this.currentFg;
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}
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targetBlock.char = char;
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if (this.mirrorX) {
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targetBlock =
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this.currentAsciiBlocks[this.textEditing.startY][
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this.currentAscii.width - this.textEditing.startX
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];
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if (this.canFg) {
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targetBlock.fg = this.currentFg;
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}
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targetBlock.char = char;
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}
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if (this.mirrorY) {
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targetBlock =
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this.currentAsciiBlocks[
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this.currentAscii.height - this.textEditing.startY
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][this.textEditing.startX];
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if (this.canFg) {
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targetBlock.fg = this.currentFg;
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}
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targetBlock.char = char;
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}
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if (this.mirrorY && this.mirrorX) {
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targetBlock =
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this.currentAsciiBlocks[
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this.currentAscii.height - this.textEditing.startY
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][this.currentAscii.width - this.textEditing.startX];
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if (this.canFg) {
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targetBlock.fg = this.currentFg;
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}
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targetBlock.char = char;
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}
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if (
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this.currentAsciiBlocks[this.textEditing.startY][
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this.textEditing.startX + 1
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]
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) {
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this.textEditing.startX++;
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} else {
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this.textEditing.startX = 0;
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if (this.textEditing.startY < this.currentAscii.height) {
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this.textEditing.startY++;
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}
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}
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}
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break;
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}
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this.drawTextIndicator();
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}
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this.delayRedrawCanvas();
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this.$store.commit("updateAsciiBlocks", this.currentAsciiBlocks);
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}
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},
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// Mouse Up, Down and Move
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canvasMouseUp() {
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if (this.currentTool.name === "default") return;
|
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|
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switch (this.currentTool.name) {
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case "brush":
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this.canTool = false;
|
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this.$store.commit("updateAsciiBlocks", this.currentAsciiBlocks);
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break;
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case "eraser":
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this.canTool = false;
|
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this.$store.commit("updateAsciiBlocks", this.currentAsciiBlocks);
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break;
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case "fill":
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this.canTool = false;
|
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this.$store.commit("updateAsciiBlocks", this.currentAsciiBlocks);
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break;
|
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case "select":
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this.selecting.canSelect = false;
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this.clearToolCanvas();
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this.processSelect();
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this.redrawSelect();
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break;
|
|
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case "text":
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this.textEditing.startX = this.x;
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this.textEditing.startY = this.y;
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break;
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}
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this.delayRedrawCanvas();
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},
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canvasMouseDown() {
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if (this.currentTool.name === "default") return;
|
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this.toolCtx.clearRect(0, 0, 10000, 10000);
|
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if (
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this.currentAsciiBlocks[this.y] &&
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this.currentAsciiBlocks[this.y][this.x] &&
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this.currentTool
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) {
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const targetBlock = this.currentAsciiBlocks[this.y][this.x];
|
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switch (this.currentTool.name) {
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case "default":
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break;
|
|
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case "select":
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this.selecting.startX = this.canvasX;
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this.selecting.startY = this.canvasY;
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this.selecting.canSelect = true;
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break;
|
|
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case "fill":
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this.fill();
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break;
|
|
|
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case "brush":
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this.canTool = true;
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this.drawBrush();
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break;
|
|
|
|
case "eraser":
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this.canTool = true;
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this.eraser();
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break;
|
|
|
|
case "dropper":
|
|
if (this.canFg) {
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this.$store.commit("changeColourFg", targetBlock.fg);
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}
|
|
|
|
if (this.canBg) {
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this.$store.commit("changeColourBg", targetBlock.bg);
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}
|
|
|
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if (this.canText) {
|
|
this.$store.commit("changeChar", targetBlock.char);
|
|
}
|
|
|
|
this.$store.commit("changeTool", 0);
|
|
break;
|
|
}
|
|
}
|
|
},
|
|
canvasMouseMove(e) {
|
|
if (this.currentTool.name === "default") return;
|
|
|
|
if (e.offsetX >= 0) {
|
|
this.x = e.offsetX;
|
|
}
|
|
|
|
if (e.offsetY >= 0) {
|
|
this.y = e.offsetY;
|
|
}
|
|
|
|
this.x = Math.floor(this.x / this.currentAscii.blockWidth);
|
|
this.y = Math.floor(this.y / this.currentAscii.blockHeight);
|
|
|
|
this.$emit("coordsupdate", { x: this.x, y: this.y });
|
|
|
|
if (
|
|
this.currentAsciiBlocks[this.y] &&
|
|
this.currentAsciiBlocks[this.y][this.x]
|
|
) {
|
|
switch (this.currentTool.name) {
|
|
case "brush":
|
|
if (this.isMouseOnCanvas) {
|
|
this.drawBrush();
|
|
}
|
|
break;
|
|
|
|
case "eraser":
|
|
if (this.isMouseOnCanvas) {
|
|
this.drawBrush(true);
|
|
}
|
|
this.eraser();
|
|
break;
|
|
|
|
case "select":
|
|
// this.drawIndicator();
|
|
|
|
if (this.selecting.canSelect) {
|
|
this.selecting.endX = this.canvasX;
|
|
this.selecting.endY = this.canvasY;
|
|
|
|
this.redrawSelect();
|
|
}
|
|
|
|
if (!this.isSelected) {
|
|
this.redrawSelect();
|
|
}
|
|
|
|
break;
|
|
|
|
case "text":
|
|
this.drawIndicator();
|
|
break;
|
|
|
|
case "dropper":
|
|
this.drawIndicator();
|
|
break;
|
|
|
|
case "fill":
|
|
this.drawIndicator();
|
|
break;
|
|
}
|
|
}
|
|
|
|
this.delayRedrawCanvas();
|
|
},
|
|
clearToolCanvas() {
|
|
if (this.toolCtx) {
|
|
this.toolCtx.clearRect(0, 0, 10000, 10000);
|
|
this.toolCtx.stroke();
|
|
}
|
|
},
|
|
delayRedrawCanvas() {
|
|
if (this.redraw) {
|
|
this.redraw = false;
|
|
|
|
setTimeout(() => {
|
|
this.redraw = true;
|
|
this.redrawCanvas();
|
|
}, this.options.canvasRedrawSpeed);
|
|
}
|
|
},
|
|
//
|
|
// TOOLS
|
|
//
|
|
processSelect() {
|
|
//
|
|
let x = 0;
|
|
let y = 0;
|
|
|
|
let curBlock = {};
|
|
this.selectedBlocks = [];
|
|
|
|
for (y = 0; y < this.currentAscii.height; y++) {
|
|
if (
|
|
y >=
|
|
Math.floor(this.selecting.startY / this.currentAscii.blockHeight) &&
|
|
y <= Math.floor(this.selecting.endY / this.currentAscii.blockHeight)
|
|
) {
|
|
if (!this.selectedBlocks[y]) {
|
|
this.selectedBlocks[y] = [];
|
|
}
|
|
|
|
for (x = 0; x < this.currentAscii.width; x++) {
|
|
if (
|
|
x >=
|
|
Math.floor(
|
|
this.selecting.startX / this.currentAscii.blockWidth
|
|
) &&
|
|
x <=
|
|
Math.floor(this.selecting.endX / this.currentAscii.blockWidth)
|
|
) {
|
|
if (this.currentAsciiBlocks[y] && this.currentAsciiBlocks[y][x]) {
|
|
curBlock = { ...this.currentAsciiBlocks[y][x] };
|
|
|
|
if (!this.selectedBlocks[y][x]) {
|
|
this.selectedBlocks[y][x] = { ...curBlock };
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
},
|
|
drawIndicator() {
|
|
this.clearToolCanvas();
|
|
|
|
let targetBlock = this.currentAsciiBlocks[this.y][this.x];
|
|
|
|
let indicatorColour = targetBlock.bg === 0 ? 1 : 0;
|
|
|
|
if (targetBlock.bg === 8) {
|
|
indicatorColour = 1;
|
|
}
|
|
|
|
this.toolCtx.fillStyle = this.mircColours[indicatorColour];
|
|
const BLOCK_WIDTH = this.currentAscii.blockWidth;
|
|
const BLOCK_HEIGHT = this.currentAscii.blockHeight;
|
|
|
|
this.toolCtx.fillRect(
|
|
this.x * BLOCK_WIDTH,
|
|
this.y * BLOCK_HEIGHT,
|
|
BLOCK_WIDTH,
|
|
BLOCK_HEIGHT
|
|
);
|
|
|
|
if (this.isTextEditing) {
|
|
if (this.mirrorX) {
|
|
this.toolCtx.fillRect(
|
|
(this.currentAscii.width - this.x) * BLOCK_WIDTH,
|
|
this.y * BLOCK_HEIGHT,
|
|
BLOCK_WIDTH,
|
|
BLOCK_HEIGHT
|
|
);
|
|
}
|
|
|
|
if (this.mirrorY) {
|
|
this.toolCtx.fillRect(
|
|
this.x * BLOCK_WIDTH,
|
|
(this.currentAscii.height - this.y) * BLOCK_HEIGHT,
|
|
BLOCK_WIDTH,
|
|
BLOCK_HEIGHT
|
|
);
|
|
}
|
|
|
|
if (this.mirrorY && this.mirrorX) {
|
|
this.toolCtx.fillRect(
|
|
(this.currentAscii.width - this.x) * BLOCK_WIDTH,
|
|
(this.currentAscii.height - this.y) * BLOCK_HEIGHT,
|
|
BLOCK_WIDTH,
|
|
BLOCK_HEIGHT
|
|
);
|
|
}
|
|
}
|
|
|
|
this.toolCtx.stroke();
|
|
},
|
|
drawTextIndicator() {
|
|
this.clearToolCanvas();
|
|
|
|
let targetBlock =
|
|
this.currentAsciiBlocks[this.textEditing.startY][
|
|
this.textEditing.startX
|
|
];
|
|
|
|
let indicatorColour = targetBlock.bg === 0 ? 1 : 0;
|
|
|
|
if (targetBlock.bg === 8) {
|
|
indicatorColour = 1;
|
|
}
|
|
|
|
this.toolCtx.fillStyle = this.mircColours[indicatorColour];
|
|
const BLOCK_WIDTH = this.currentAscii.blockWidth;
|
|
const BLOCK_HEIGHT = this.currentAscii.blockHeight;
|
|
|
|
this.toolCtx.fillRect(
|
|
this.textEditing.startX * BLOCK_WIDTH,
|
|
this.textEditing.startY * BLOCK_HEIGHT,
|
|
BLOCK_WIDTH,
|
|
BLOCK_HEIGHT
|
|
);
|
|
|
|
if (this.mirrorX) {
|
|
this.toolCtx.fillRect(
|
|
(this.currentAscii.width - this.textEditing.startX) * BLOCK_WIDTH,
|
|
this.textEditing.startY * BLOCK_HEIGHT,
|
|
BLOCK_WIDTH,
|
|
BLOCK_HEIGHT
|
|
);
|
|
}
|
|
|
|
if (this.mirrorY) {
|
|
this.toolCtx.fillRect(
|
|
this.textEditing.startX * BLOCK_WIDTH,
|
|
(this.currentAscii.height - this.textEditing.startY) * BLOCK_HEIGHT,
|
|
BLOCK_WIDTH,
|
|
BLOCK_HEIGHT
|
|
);
|
|
}
|
|
|
|
if (this.mirrorY && this.mirrorX) {
|
|
this.toolCtx.fillRect(
|
|
(this.currentAscii.width - this.textEditing.startX) * BLOCK_WIDTH,
|
|
(this.currentAscii.height - this.textEditing.startY) * BLOCK_HEIGHT,
|
|
BLOCK_WIDTH,
|
|
BLOCK_HEIGHT
|
|
);
|
|
}
|
|
|
|
this.toolCtx.stroke();
|
|
},
|
|
//
|
|
// drawBrush
|
|
// - draws brush
|
|
// - draws preview for all toolbar things that need it
|
|
// - also works with the copy / paste
|
|
drawBrush(plain = false) {
|
|
this.clearToolCanvas();
|
|
const BLOCK_WIDTH = this.currentAscii.blockWidth;
|
|
const BLOCK_HEIGHT = this.currentAscii.blockHeight;
|
|
|
|
let targetBlock = this.currentAsciiBlocks[this.y][this.x];
|
|
let brushDiffX = 0;
|
|
let xLength = 0;
|
|
|
|
let asciiWidth = this.currentAscii.width;
|
|
let asciiHeight = this.currentAscii.height;
|
|
|
|
// If the first row isn't selected then we cannot get the width
|
|
// with the 0 index
|
|
for (let i = 0; i <= this.brushBlocks.length; i++) {
|
|
if (this.brushBlocks[i]) {
|
|
brushDiffX = Math.floor(this.brushBlocks[i].length / 2) * BLOCK_WIDTH;
|
|
xLength = this.brushBlocks[i].length;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// We always have a Y array
|
|
let brushDiffY = Math.floor(this.brushBlocks.length / 2) * BLOCK_HEIGHT;
|
|
|
|
for (let y = 0; y < this.brushBlocks.length; y++) {
|
|
if (!this.brushBlocks[y]) {
|
|
continue;
|
|
}
|
|
|
|
for (let x = 0; x < xLength; x++) {
|
|
if (!this.brushBlocks[y][x]) {
|
|
continue;
|
|
}
|
|
|
|
let brushBlock = this.brushBlocks[y][x];
|
|
|
|
let brushX = this.x * BLOCK_WIDTH + x * BLOCK_WIDTH - brushDiffX;
|
|
let brushY = this.y * BLOCK_HEIGHT + y * BLOCK_HEIGHT - brushDiffY;
|
|
|
|
let arrayY = brushY / BLOCK_HEIGHT;
|
|
let arrayX = brushX / BLOCK_WIDTH;
|
|
|
|
if (
|
|
this.currentAsciiBlocks[arrayY] &&
|
|
this.currentAsciiBlocks[arrayY][arrayX]
|
|
) {
|
|
targetBlock = this.currentAsciiBlocks[arrayY][arrayX];
|
|
|
|
if (!plain) {
|
|
if (this.canBg) {
|
|
this.toolCtx.fillStyle =
|
|
brushBlock.bg !== null
|
|
? this.mircColours[brushBlock.bg]
|
|
: "#FFFFFF";
|
|
|
|
this.toolCtx.fillRect(
|
|
brushX,
|
|
brushY,
|
|
BLOCK_WIDTH,
|
|
BLOCK_HEIGHT
|
|
);
|
|
|
|
if (this.mirrorX) {
|
|
this.toolCtx.fillRect(
|
|
(asciiWidth - arrayX) * BLOCK_WIDTH,
|
|
brushY,
|
|
BLOCK_WIDTH,
|
|
BLOCK_HEIGHT
|
|
);
|
|
}
|
|
|
|
if (this.mirrorY) {
|
|
this.toolCtx.fillRect(
|
|
brushX,
|
|
(asciiHeight - arrayY) * BLOCK_HEIGHT,
|
|
BLOCK_WIDTH,
|
|
BLOCK_HEIGHT
|
|
);
|
|
}
|
|
|
|
if (this.mirrorY && this.mirrorX) {
|
|
this.toolCtx.fillRect(
|
|
(asciiWidth - arrayX) * BLOCK_WIDTH,
|
|
(asciiHeight - arrayY) * BLOCK_HEIGHT,
|
|
BLOCK_WIDTH,
|
|
BLOCK_HEIGHT
|
|
);
|
|
}
|
|
|
|
if (this.canTool && brushBlock.bg !== null) {
|
|
targetBlock.bg = !this.haveSelectBlocks
|
|
? this.currentBg
|
|
: brushBlock.bg;
|
|
|
|
if (this.mirrorX) {
|
|
this.currentAsciiBlocks[arrayY][asciiWidth - arrayX].bg =
|
|
!this.haveSelectBlocks
|
|
? this.currentBg
|
|
: brushBlock.bg;
|
|
}
|
|
|
|
if (this.mirrorY) {
|
|
this.currentAsciiBlocks[asciiHeight - arrayY][arrayX].bg =
|
|
!this.haveSelectBlocks
|
|
? this.currentBg
|
|
: brushBlock.bg;
|
|
}
|
|
|
|
if (this.mirrorY && this.mirrorX) {
|
|
this.currentAsciiBlocks[asciiHeight - arrayY][
|
|
asciiWidth - arrayX
|
|
].bg = !this.haveSelectBlocks
|
|
? this.currentBg
|
|
: brushBlock.bg;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (this.canFg) {
|
|
this.toolCtx.fillStyle =
|
|
brushBlock.fg !== null
|
|
? this.mircColours[brushBlock.fg]
|
|
: "#000000";
|
|
|
|
if (this.canTool && brushBlock.fg !== null) {
|
|
targetBlock.fg = !this.haveSelectBlocks
|
|
? this.currentFg
|
|
: brushBlock.fg;
|
|
|
|
if (this.mirrorX) {
|
|
this.currentAsciiBlocks[arrayY][asciiWidth - arrayX].fg =
|
|
!this.haveSelectBlocks
|
|
? this.currentFg
|
|
: brushBlock.fg;
|
|
}
|
|
|
|
if (this.mirrorY) {
|
|
this.currentAsciiBlocks[asciiHeight - arrayY][arrayX].fg =
|
|
!this.haveSelectBlocks
|
|
? this.currentFg
|
|
: brushBlock.fg;
|
|
}
|
|
|
|
if (this.mirrorY && this.mirrorX) {
|
|
this.currentAsciiBlocks[asciiHeight - arrayY][
|
|
asciiWidth - arrayX
|
|
].fg = !this.haveSelectBlocks
|
|
? this.currentFg
|
|
: brushBlock.fg;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (this.canText && brushBlock.char !== null) {
|
|
this.toolCtx.fillStyle = this.mircColours[brushBlock.fg];
|
|
|
|
this.toolCtx.fillText(
|
|
brushBlock.char,
|
|
brushX - 1,
|
|
brushY + BLOCK_HEIGHT - 2
|
|
);
|
|
|
|
if (this.mirrorX) {
|
|
this.toolCtx.fillText(
|
|
brushBlock.char,
|
|
(asciiWidth - arrayX) * BLOCK_WIDTH,
|
|
brushY + BLOCK_HEIGHT - 2
|
|
);
|
|
}
|
|
|
|
if (this.mirrorY) {
|
|
this.toolCtx.fillText(
|
|
brushBlock.char,
|
|
brushX - 1,
|
|
(asciiHeight - arrayY) * BLOCK_HEIGHT + 10
|
|
);
|
|
}
|
|
if (this.mirrorY && this.mirrorX) {
|
|
this.toolCtx.fillText(
|
|
brushBlock.char,
|
|
(asciiWidth - arrayX) * BLOCK_WIDTH,
|
|
(asciiHeight - arrayY) * BLOCK_HEIGHT + 10
|
|
);
|
|
}
|
|
|
|
if (this.canTool && brushBlock.char !== null) {
|
|
targetBlock.char = !this.haveSelectBlocks
|
|
? this.currentChar
|
|
: brushBlock.char;
|
|
|
|
if (this.mirrorX) {
|
|
this.currentAsciiBlocks[arrayY][asciiWidth - arrayX].char =
|
|
!this.haveSelectBlocks
|
|
? this.currentChar
|
|
: brushBlock.char;
|
|
}
|
|
|
|
if (this.mirrorY) {
|
|
this.currentAsciiBlocks[asciiHeight - arrayY][arrayX].char =
|
|
!this.haveSelectBlocks
|
|
? this.currentChar
|
|
: brushBlock.char;
|
|
}
|
|
|
|
if (this.mirrorY && this.mirrorX) {
|
|
this.currentAsciiBlocks[asciiHeight - arrayY][
|
|
asciiWidth - arrayX
|
|
].char = !this.haveSelectBlocks
|
|
? this.currentChar
|
|
: brushBlock.char;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
let indicatorColour = targetBlock.bg === 0 ? 1 : 0;
|
|
|
|
if (targetBlock.bg === 8) {
|
|
indicatorColour = 1;
|
|
}
|
|
|
|
this.toolCtx.fillStyle = this.mircColours[indicatorColour];
|
|
|
|
this.toolCtx.fillRect(brushX, brushY, BLOCK_WIDTH, BLOCK_HEIGHT);
|
|
|
|
if (this.mirrorX) {
|
|
this.toolCtx.fillRect(
|
|
(asciiWidth - arrayX) * BLOCK_WIDTH,
|
|
brushY,
|
|
BLOCK_WIDTH,
|
|
BLOCK_HEIGHT
|
|
);
|
|
}
|
|
|
|
if (this.mirrorY) {
|
|
this.toolCtx.fillRect(
|
|
brushX,
|
|
(asciiHeight - arrayY) * BLOCK_HEIGHT,
|
|
BLOCK_WIDTH,
|
|
BLOCK_HEIGHT
|
|
);
|
|
}
|
|
|
|
if (this.mirrorY && this.mirrorX) {
|
|
this.toolCtx.fillRect(
|
|
(asciiWidth - arrayX) * BLOCK_WIDTH,
|
|
(asciiHeight - arrayY) * BLOCK_HEIGHT,
|
|
BLOCK_WIDTH,
|
|
BLOCK_HEIGHT
|
|
);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
this.toolCtx.stroke();
|
|
},
|
|
eraser() {
|
|
if (this.canTool) {
|
|
const BLOCK_WIDTH = this.currentAscii.blockWidth;
|
|
const BLOCK_HEIGHT = this.currentAscii.blockHeight;
|
|
|
|
let targetBlock = this.currentAsciiBlocks[this.y][this.x];
|
|
|
|
let brushDiffX =
|
|
Math.floor(this.brushBlocks[0].length / 2) * BLOCK_WIDTH;
|
|
let brushDiffY = Math.floor(this.brushBlocks.length / 2) * BLOCK_HEIGHT;
|
|
|
|
for (let y = 0; y < this.brushBlocks.length; y++) {
|
|
for (let x = 0; x < this.brushBlocks[0].length; x++) {
|
|
let brushX = this.x * BLOCK_WIDTH + x * BLOCK_WIDTH - brushDiffX;
|
|
let brushY = this.y * BLOCK_HEIGHT + y * BLOCK_HEIGHT - brushDiffY;
|
|
|
|
let arrayY = brushY / BLOCK_HEIGHT;
|
|
let arrayX = brushX / BLOCK_WIDTH;
|
|
|
|
if (
|
|
this.currentAsciiBlocks[arrayY] &&
|
|
this.currentAsciiBlocks[arrayY][arrayX]
|
|
) {
|
|
targetBlock = this.currentAsciiBlocks[arrayY][arrayX];
|
|
|
|
if (this.canFg) {
|
|
targetBlock.fg = null;
|
|
}
|
|
|
|
if (this.canBg) {
|
|
targetBlock.bg = null;
|
|
}
|
|
|
|
if (this.canText) {
|
|
targetBlock.char = null;
|
|
}
|
|
}
|
|
|
|
if (this.mirrorX) {
|
|
if (
|
|
this.currentAsciiBlocks[arrayY] &&
|
|
this.currentAsciiBlocks[arrayY][
|
|
this.currentAscii.width - arrayX
|
|
]
|
|
) {
|
|
targetBlock =
|
|
this.currentAsciiBlocks[arrayY][
|
|
this.currentAscii.width - arrayX
|
|
];
|
|
|
|
if (this.canFg) {
|
|
targetBlock.fg = null;
|
|
}
|
|
|
|
if (this.canBg) {
|
|
targetBlock.bg = null;
|
|
}
|
|
|
|
if (this.canText) {
|
|
targetBlock.char = null;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (this.mirrorY) {
|
|
if (
|
|
this.currentAsciiBlocks[this.currentAscii.height - arrayY] &&
|
|
this.currentAsciiBlocks[this.currentAscii.height - arrayY][
|
|
arrayX
|
|
]
|
|
) {
|
|
targetBlock =
|
|
this.currentAsciiBlocks[this.currentAscii.height - arrayY][
|
|
arrayX
|
|
];
|
|
|
|
if (this.canFg) {
|
|
targetBlock.fg = null;
|
|
}
|
|
|
|
if (this.canBg) {
|
|
targetBlock.bg = null;
|
|
}
|
|
|
|
if (this.canText) {
|
|
targetBlock.char = null;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (this.mirrorY && this.mirrorX) {
|
|
if (
|
|
this.currentAsciiBlocks[this.currentAscii.height - arrayY] &&
|
|
this.currentAsciiBlocks[this.currentAscii.height - arrayY][
|
|
this.currentAscii.width - arrayX
|
|
]
|
|
) {
|
|
targetBlock =
|
|
this.currentAsciiBlocks[this.currentAscii.height - arrayY][
|
|
this.currentAscii.width - arrayX
|
|
];
|
|
|
|
if (this.canFg) {
|
|
targetBlock.fg = null;
|
|
}
|
|
|
|
if (this.canBg) {
|
|
targetBlock.bg = null;
|
|
}
|
|
|
|
if (this.canText) {
|
|
targetBlock.char = null;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
},
|
|
// Fill tool
|
|
fill() {
|
|
const newColor = this.currentBg;
|
|
const current = this.currentAsciiBlocks[this.y][this.x].bg;
|
|
|
|
// If the newColor is same as the existing
|
|
// Then return the original image.
|
|
if (current === newColor) {
|
|
return this.currentAsciiBlocks;
|
|
}
|
|
|
|
this.fillTool(this.currentAsciiBlocks, this.y, this.x, current);
|
|
},
|
|
fillTool(fillBlocks, y, x, current) {
|
|
// If row is less than 0
|
|
if (x < 0) {
|
|
return;
|
|
}
|
|
|
|
// If column is less than 0
|
|
if (y < 0) {
|
|
return;
|
|
}
|
|
|
|
// If row is greater than image length
|
|
if (x >= this.currentAscii.width) {
|
|
return;
|
|
}
|
|
|
|
// If column is greater than image length
|
|
if (y >= this.currentAscii.height) {
|
|
return;
|
|
}
|
|
|
|
if (!fillBlocks[y] && !fillBlocks[y][x]) {
|
|
return;
|
|
}
|
|
|
|
// If the current pixel is not which needs to be replaced
|
|
if (fillBlocks[y][x].bg !== current) {
|
|
return;
|
|
}
|
|
|
|
if (this.canBg) {
|
|
fillBlocks[y][x].bg = this.currentBg;
|
|
}
|
|
|
|
if (this.canFg) {
|
|
fillBlocks[y][x].fg = this.currentFg;
|
|
}
|
|
|
|
if (this.canText) {
|
|
fillBlocks[y][x].char = this.currentChar;
|
|
}
|
|
|
|
// Fill in all four directions
|
|
// Fill Prev row
|
|
this.fillTool(fillBlocks, y, x - 1, current);
|
|
|
|
// Fill Next row
|
|
this.fillTool(fillBlocks, y, x + 1, current);
|
|
|
|
// Fill Prev col
|
|
this.fillTool(fillBlocks, y - 1, x, current);
|
|
|
|
// Fill next col
|
|
this.fillTool(fillBlocks, y + 1, x, current);
|
|
},
|
|
},
|
|
};
|
|
</script>
|