1993 lines
54 KiB
Vue
1993 lines
54 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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<context-menu ref="editor-menu" class="z-50">
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<ul>
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<li @click="canvasToPng()" class="ml-1 text-sm hover:bg-gray-400">
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Save as PNG
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</li>
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<li
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@click="startExport('clipboard')"
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class="ml-1 text-sm hover:bg-gray-400"
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>
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Export ASCII to mIRC Clipboard
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</li>
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<li
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@click="startExport('file')"
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class="ml-1 text-sm hover:bg-gray-400"
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>
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Export ASCII to mIRC File
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</li>
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</ul>
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</context-menu>
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<vue-draggable-resizable
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ref="canvasdrag"
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:grid="[blockWidth, blockHeight]"
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:w="currentAsciiWidth * blockWidth"
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:h="currentAsciiHeight * blockHeight"
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:draggable="isDefault"
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@resizestop="onCanvasResize"
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@dragstop="onCavasDragStop"
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:x="currentAscii.x"
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:handles="['bm', 'br', 'mr']"
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:y="currentAscii.y"
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style="z-index: -1;"
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>
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<canvas
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id="overlay-image"
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:style="imageOverlayStyle"
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:width="currentAsciiWidth * blockWidth"
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:height="currentAsciiHeight * blockHeight"
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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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:style="canvasTransparent"
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:width="currentAsciiWidth * blockWidth"
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:height="currentAsciiHeight * blockHeight"
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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="currentAsciiWidth * blockWidth"
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:height="currentAsciiHeight * blockHeight"
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@mousemove.left="canvasMouseMove"
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@mousedown.left="canvasMouseDown"
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@mouseup.left="canvasMouseUp"
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@mouseup.right="openContextMenu"
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@contextmenu.prevent
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@touchmove="canvasMouseMove"
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@touchend="canvasMouseDown"
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@touchstart="canvasMouseUp"
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/>
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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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<script>
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import ContextMenu from "./../components/parts/ContextMenu.vue";
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import {
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toolbarIcons,
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mircColours99,
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filterNullBlocks,
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blockWidth,
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blockHeight,
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maxBrushSize,
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fillNullBlocks,
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getBlocksWidth,
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checkVisible,
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mergeLayers,
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canvasToPng,
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exportMirc,
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downloadFile,
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cyrb53,
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} from "../ascii";
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export default {
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name: "Editor",
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components: {
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ContextMenu,
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},
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mounted() {
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this.ctx = this.canvasRef.getContext("2d");
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this.ctx.font = "13px Hack";
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this.toolCtx = this.$refs.canvastools.getContext("2d");
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this.delayRedrawCanvas();
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},
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created() {
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window.addEventListener("load", () => {
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// Fixes the font on load issue
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this.delayRedrawCanvas();
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});
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var _this = this;
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hotkeys("*", "editor", function (event, handler) {
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event.preventDefault();
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if (_this.isTextEditing) {
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_this.canvasKeyDown(event.key);
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return;
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}
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if (_this.isBrushing || _this.isErasing) {
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switch (event.key) {
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case "ArrowUp":
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_this.y--;
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_this.drawBrush(_this.isErasing);
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// _this.delayRedrawCanvas();
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break;
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case "ArrowDown":
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_this.y++;
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_this.drawBrush(_this.isErasing);
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// _this.delayRedrawCanvas();
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break;
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case "ArrowLeft":
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_this.x--;
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_this.drawBrush(_this.isErasing);
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// _this.delayRedrawCanvas();
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break;
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case "ArrowRight":
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_this.x++;
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_this.drawBrush(_this.isErasing);
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// _this.delayRedrawCanvas();
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break;
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case " ":
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_this.canTool = true;
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_this.isBrushing ? _this.drawBrush(false) : _this.eraser();
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_this.canTool = false;
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_this.dispatchBlocks();
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this.diffBlocks = {
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l: this.selectedLayerIndex,
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new: [],
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old: [],
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};
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break;
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}
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}
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});
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if (this.currentAsciiLayerBlocks) {
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this.canvas.width = this.currentAsciiWidth * blockWidth;
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this.canvas.height = this.currentAsciiHeight * blockHeight;
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this.delayRedrawCanvas();
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this.$emit("textediting", this.textEditing);
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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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top: false,
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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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// Used to store the difference when editing blocks then commits them
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diffBlocks: {
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l: 0,
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old: [],
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new: [],
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},
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isUsingKeyboard: false,
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canvasHash: null,
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}),
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props: ["updateCanvas", "yOffset", "canvasxy", "brush", "updateascii"],
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computed: {
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canvasRef() {
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return this.$refs.canvas;
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},
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blockWidth() {
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return blockWidth * this.blockSizeMultiplier;
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},
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blockHeight() {
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return blockHeight * this.blockSizeMultiplier;
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},
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blockSizeMultiplier() {
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return this.$store.getters.blockSizeMultiplier;
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},
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currentAscii() {
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return this.$store.getters.currentAscii;
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},
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currentAsciiLayers() {
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return this.$store.getters.currentAsciiLayers;
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},
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selectedLayerIndex() {
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return this.currentAscii.selectedLayer || 0;
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},
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currentSelectedLayer() {
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return this.currentAsciiLayers[this.selectedLayerIndex];
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},
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currentAsciiLayerBlocks() {
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return this.currentSelectedLayer.data;
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},
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currentTool() {
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return toolbarIcons[this.$store.getters.currentTool];
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},
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canFg() {
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return this.$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.currentChar;
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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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isEraserFill() {
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return this.currentTool.name === "fill-eraser";
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},
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isFill() {
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return this.currentTool.name === "fill";
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},
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isTextEditingValues() {
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return (
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this.textEditing.startX !== null && this.textEditing.startY !== null
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);
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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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isDefault() {
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return this.currentTool.name === "default";
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},
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isBrushing() {
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return this.currentTool.name === "brush";
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},
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isErasing() {
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return this.currentTool.name === "eraser";
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},
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isSelected() {
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return (
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this.selecting.startX !== null &&
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this.selecting.startY !== null &&
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this.selecting.endX !== null &&
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this.selecting.endY !== null
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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 * blockWidth;
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},
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canvasY() {
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return this.y * 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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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;
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},
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mircColours() {
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return mircColours99;
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},
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brushLibraryState() {
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return this.$store.getters.brushLibraryState;
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},
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gridView() {
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return this.toolbarState.gridView;
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},
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asciiBlockAtXy() {
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return this.currentAsciiLayerBlocks[this.y] &&
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this.currentAsciiLayerBlocks[this.y][this.x]
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? this.currentAsciiLayerBlocks[this.y][this.x]
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: false;
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},
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maxBrushSize() {
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return maxBrushSize;
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},
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currentAsciiWidth() {
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return this.currentSelectedLayer.width;
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},
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currentAsciiHeight() {
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// Tested with wtf.txt and the max rows before the canvas
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// stops working seems to be 2184
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return this.currentSelectedLayer.height > 2184
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? 2184
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: this.currentSelectedLayer.height;
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},
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imageOverlay() {
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return this.$store.getters.imageOverlay;
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},
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imageOverlayStyle() {
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let repeat = "background-repeat: no-repeat;";
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let stretched = "background-size: 100%;";
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if (this.imageOverlay.repeatx && this.imageOverlay.repeaty) {
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repeat = "background-repeat: repeat;";
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}
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if (this.imageOverlay.repeatx && !this.imageOverlay.repeaty) {
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repeat = "background-repeat: repeat-x;";
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}
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if (!this.imageOverlay.repeatx && this.imageOverlay.repeaty) {
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repeat = "background-repeat: repeat-y;";
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}
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if (this.imageOverlay.stretched) {
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stretched = "background-size: 100%;";
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} else {
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stretched = "";
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}
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return this.imageOverlay.visible
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? `background-image: url('${
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this.imageOverlay.url
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}'); ${stretched} ${repeat} opacity: ${
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this.imageOverlay.opacity / 100
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}; z-index: -1; position: absolute;`
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: "position: absolute;";
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},
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canvasTransparent() {
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return this.imageOverlay.visible ? "opacity: 0.6;" : "opacity: 1;";
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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.canvas.width = this.currentAsciiWidth * blockWidth;
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this.canvas.height = this.currentAsciiHeight * blockHeight;
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this.delayRedrawCanvas();
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}
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},
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currentSelectedLayer(val, old) {
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if (old && old.visible) {
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this.warnInvisibleLayer();
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}
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},
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currentAsciiLayerBlocks() {
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this.delayRedrawCanvas();
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},
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currentTool() {
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this.warnInvisibleLayer();
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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.resetSelect();
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this.clearToolCanvas();
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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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},
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isMouseOnCanvas(val, old) {
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if (val !== old) {
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if (!this.isSelecting) {
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this.clearToolCanvas();
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this.dispatchBlocks(true);
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this.canTool = false;
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this.delayRedrawCanvas();
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}
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}
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},
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gridView(val, old) {
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if (val !== old) {
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this.clearToolCanvas();
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}
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},
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brushBlocks() {
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this.clearToolCanvas();
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// This was supposed to update the brush preview real time
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if (this.isMouseOnCanvas && this.isBrushing) {
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this.drawBrush();
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}
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},
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// For when we do zook, ctrl + or ctrl -
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// blockSizeMultiplier() {
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// // this.delayRedrawCanvas();
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// },
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// Save text to store when finished
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isTextEditing(val, old) {
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if (val !== old && val === false) {
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this.dispatchBlocks();
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}
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},
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textEditing(val, old) {
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this.$emit("textediting", val);
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},
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updateCanvas(val, old) {
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if (val !== old) {
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// This comes from KeyboardShortcuts.vue
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this.clearToolCanvas();
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this.drawTextIndicator();
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this.drawIndicator();
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this.delayRedrawCanvas();
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}
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},
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selecting(val) {
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this.$emit("selecting", val);
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},
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yOffset() {
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this.delayRedrawCanvas();
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},
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selectedLayerIndex(val, old) {
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if (val !== old) {
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this.diffBlocks.l = val;
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}
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},
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updateascii(val, old) {
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if (val.width !== old.width || val.height !== old.height) {
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let layers = fillNullBlocks(val.height, val.width);
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this.canvas.width = val.width * blockWidth;
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this.canvas.height = val.height * blockHeight;
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this.$store.commit("changeAsciiWidthHeight", {
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width: val.width,
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height: val.height,
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layers: [...layers],
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});
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this.$refs.canvasdrag.width = val.width * blockWidth;
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this.$refs.canvasdrag.height = val.height * blockHeight;
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this.clearToolCanvas();
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this.delayRedrawCanvas();
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}
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},
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// Layers undo
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// currentAsciiLayers(val, old) {
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// this.$store.commit("pushLayerHistory", {
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// old: old,
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// new: val,
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// });
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// }
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},
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methods: {
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startExport(type) {
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let ascii = exportMirc();
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switch (type) {
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case "clipboard":
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this.$copyText(ascii.output.join("")).then(
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(e) => {
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this.$toasted.show("Copied mIRC to clipboard!", {
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type: "success",
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});
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},
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(e) => {
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this.$toasted.show("Error when copying mIRC to clipboard!", {
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type: "error",
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});
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}
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);
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break;
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default:
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case "file":
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downloadFile(ascii.output.join(""), ascii.filename, "text/plain");
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break;
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}
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},
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canvasToPng() {
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canvasToPng(this.canvasRef, this.currentAscii.title);
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},
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openContextMenu(e) {
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e.preventDefault();
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// These are the correct X and Y when inside the floating panel
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this.$refs["editor-menu"].open(e);
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},
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canvasKeyDown(char) {
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if (
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this.currentAsciiLayerBlocks[this.textEditing.startY] &&
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this.currentAsciiLayerBlocks[this.textEditing.startY][
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this.textEditing.startX
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]
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) {
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let targetBlock =
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this.currentAsciiLayerBlocks[this.textEditing.startY][
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this.textEditing.startX
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];
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let oldBlock = {};
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switch (char) {
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// Remove a character
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case "Backspace":
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if (
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this.currentAsciiLayerBlocks[this.textEditing.startY][
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this.textEditing.startX - 1
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]
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) {
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targetBlock =
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this.currentAsciiLayerBlocks[this.textEditing.startY][
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this.textEditing.startX - 1
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];
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oldBlock = {
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...targetBlock,
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};
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delete this.currentAsciiLayerBlocks[this.textEditing.startY][
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this.textEditing.startX - 1
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]["char"];
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this.storeDiffBlocks(
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this.textEditing.startX,
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this.textEditing.startY,
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oldBlock,
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this.currentAsciiLayerBlocks[this.textEditing.startY][
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this.textEditing.startX - 1
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]
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);
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// Move back one block
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this.textEditing.startX -= 1;
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}
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|
|
|
// Remove char as current position, but don't change position after
|
|
case "Delete":
|
|
if (
|
|
this.currentAsciiLayerBlocks[this.textEditing.startY][
|
|
this.textEditing.startX
|
|
]
|
|
) {
|
|
targetBlock =
|
|
this.currentAsciiLayerBlocks[this.textEditing.startY][
|
|
this.textEditing.startX
|
|
];
|
|
|
|
oldBlock = { ...targetBlock };
|
|
|
|
delete this.currentAsciiLayerBlocks[this.textEditing.startY][
|
|
this.textEditing.startX
|
|
]["char"];
|
|
|
|
this.storeDiffBlocks(
|
|
this.textEditing.startX,
|
|
this.textEditing.startY,
|
|
oldBlock,
|
|
targetBlock
|
|
);
|
|
}
|
|
|
|
// Also remove in mirror mode the other chars
|
|
if (this.mirrorX) {
|
|
targetBlock =
|
|
this.currentAsciiLayerBlocks[this.textEditing.startY][
|
|
this.currentAsciiWidth - this.textEditing.startX
|
|
];
|
|
oldBlock = { ...targetBlock };
|
|
delete targetBlock["char"];
|
|
this.storeDiffBlocks(
|
|
this.textEditing.startX,
|
|
this.textEditing.startY,
|
|
oldBlock,
|
|
targetBlock
|
|
);
|
|
}
|
|
|
|
if (this.mirrorY) {
|
|
targetBlock =
|
|
this.currentAsciiLayerBlocks[
|
|
this.currentAsciiHeight - this.textEditing.startY
|
|
][this.textEditing.startX];
|
|
oldBlock = { ...targetBlock };
|
|
delete targetBlock["char"];
|
|
this.storeDiffBlocks(
|
|
this.textEditing.startX,
|
|
this.textEditing.startY,
|
|
oldBlock,
|
|
targetBlock
|
|
);
|
|
}
|
|
|
|
if (this.mirrorY && this.mirrorX) {
|
|
targetBlock =
|
|
this.currentAsciiLayerBlocks[
|
|
this.currentAsciiHeight - this.textEditing.startY
|
|
][this.currentAsciiWidth - this.textEditing.startX];
|
|
oldBlock = { ...targetBlock };
|
|
delete targetBlock["char"];
|
|
this.storeDiffBlocks(
|
|
this.textEditing.startX,
|
|
this.textEditing.startY,
|
|
oldBlock,
|
|
targetBlock
|
|
);
|
|
}
|
|
|
|
break;
|
|
|
|
// Jump to next line at the 0 X position
|
|
case "Enter":
|
|
if (this.currentAsciiLayerBlocks[this.textEditing.startY + 1][0]) {
|
|
this.textEditing.startX = 0;
|
|
this.textEditing.startY += 1;
|
|
}
|
|
break;
|
|
|
|
// Move the text indicator around with the arrow keys
|
|
case "ArrowUp":
|
|
if (
|
|
this.currentAsciiLayerBlocks[this.textEditing.startY - 1][
|
|
this.textEditing.startX
|
|
]
|
|
) {
|
|
this.textEditing.startY -= 1;
|
|
}
|
|
break;
|
|
|
|
case "ArrowDown":
|
|
if (
|
|
this.currentAsciiLayerBlocks[this.textEditing.startY + 1][
|
|
this.textEditing.startX
|
|
]
|
|
) {
|
|
this.textEditing.startY += 1;
|
|
}
|
|
break;
|
|
|
|
case "ArrowLeft":
|
|
if (
|
|
this.currentAsciiLayerBlocks[this.textEditing.startY][
|
|
this.textEditing.startX - 1
|
|
]
|
|
) {
|
|
this.textEditing.startX -= 1;
|
|
}
|
|
break;
|
|
|
|
case "ArrowRight":
|
|
if (
|
|
this.currentAsciiLayerBlocks[this.textEditing.startY][
|
|
this.textEditing.startX + 1
|
|
]
|
|
) {
|
|
this.textEditing.startX += 1;
|
|
}
|
|
break;
|
|
|
|
// Normal typing
|
|
default:
|
|
if (char.length === 1) {
|
|
if (this.canFg) {
|
|
targetBlock.fg = this.currentFg;
|
|
}
|
|
|
|
oldBlock = { ...targetBlock };
|
|
targetBlock.char = char;
|
|
|
|
this.storeDiffBlocks(
|
|
this.textEditing.startX,
|
|
this.textEditing.startY,
|
|
oldBlock,
|
|
targetBlock
|
|
);
|
|
|
|
let theX = this.currentAsciiWidth - this.textEditing.startX;
|
|
if (this.mirrorX) {
|
|
targetBlock =
|
|
this.currentAsciiLayerBlocks[this.textEditing.startY][theX];
|
|
|
|
oldBlock = { ...targetBlock };
|
|
|
|
if (this.canFg) {
|
|
targetBlock.fg = this.currentFg;
|
|
}
|
|
|
|
targetBlock.char = char;
|
|
|
|
this.storeDiffBlocks(
|
|
theX,
|
|
this.textEditing.startY,
|
|
oldBlock,
|
|
targetBlock
|
|
);
|
|
}
|
|
|
|
let theY = this.currentAsciiHeight - this.textEditing.startY;
|
|
if (this.mirrorY) {
|
|
targetBlock =
|
|
this.currentAsciiLayerBlocks[theY][this.textEditing.startX];
|
|
|
|
oldBlock = { ...targetBlock };
|
|
|
|
if (this.canFg) {
|
|
targetBlock.fg = this.currentFg;
|
|
}
|
|
|
|
targetBlock.char = char;
|
|
|
|
this.storeDiffBlocks(
|
|
this.textEditing.startX,
|
|
theY,
|
|
oldBlock,
|
|
targetBlock
|
|
);
|
|
}
|
|
|
|
if (this.mirrorY && this.mirrorX) {
|
|
targetBlock = this.currentAsciiLayerBlocks[theY][theX];
|
|
|
|
oldBlock = { ...targetBlock };
|
|
|
|
if (this.canFg) {
|
|
targetBlock.fg = this.currentFg;
|
|
}
|
|
|
|
targetBlock.char = char;
|
|
|
|
this.storeDiffBlocks(theX, theY, oldBlock, targetBlock);
|
|
}
|
|
|
|
if (
|
|
this.currentAsciiLayerBlocks[this.textEditing.startY][
|
|
this.textEditing.startX + 1
|
|
]
|
|
) {
|
|
this.textEditing.startX++;
|
|
} else {
|
|
this.textEditing.startX = 0;
|
|
|
|
if (this.textEditing.startY < this.currentAsciiHeight) {
|
|
this.textEditing.startY++;
|
|
}
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
this.clearToolCanvas();
|
|
this.drawTextIndicator();
|
|
this.drawIndicator();
|
|
|
|
this.delayRedrawCanvas();
|
|
},
|
|
warnInvisibleLayer() {
|
|
if (!this.currentSelectedLayer && this.currentSelectedLayer.visible) {
|
|
this.$toasted.show("You are trying to edit an invisible layer!!", {
|
|
type: "error",
|
|
icon: "fa-check-cross",
|
|
singleton: true,
|
|
});
|
|
}
|
|
},
|
|
checkVisible(top) {
|
|
return checkVisible(top, top - this.blockHeight);
|
|
},
|
|
undo() {
|
|
this.$store.commit("undoBlocks");
|
|
},
|
|
redo() {
|
|
this.$store.commit("redoBlocks");
|
|
},
|
|
resetSelect() {
|
|
this.selecting = {
|
|
startX: null,
|
|
startY: null,
|
|
endX: null,
|
|
endY: null,
|
|
canSelect: false,
|
|
};
|
|
this.$emit("selecting", this.selecting);
|
|
},
|
|
redrawSelect() {
|
|
if (this.currentAsciiLayerBlocks.length) {
|
|
this.clearToolCanvas();
|
|
this.toolCtx.fillStyle = this.mircColours[0];
|
|
|
|
this.toolCtx.fillRect(
|
|
this.selecting.startX,
|
|
this.selecting.startY,
|
|
this.selecting.endX - this.selecting.startX,
|
|
this.selecting.endY - this.selecting.startY
|
|
);
|
|
|
|
this.toolCtx.setLineDash([6]);
|
|
this.toolCtx.strokeRect(
|
|
this.selecting.startX,
|
|
this.selecting.startY,
|
|
this.selecting.endX - this.selecting.startX,
|
|
this.selecting.endY - this.selecting.startY
|
|
);
|
|
}
|
|
},
|
|
mergeLayers() {
|
|
return mergeLayers();
|
|
},
|
|
drawGrid() {
|
|
let w = this.canvas.width;
|
|
let h = this.canvas.height;
|
|
|
|
this.toolCtx.beginPath();
|
|
|
|
for (var x = 1; x <= w; x += blockWidth) {
|
|
this.toolCtx.moveTo(x, 0);
|
|
this.toolCtx.lineTo(x, h);
|
|
}
|
|
|
|
this.toolCtx.strokeStyle = "rgba(40, 40, 40, 1)";
|
|
this.toolCtx.lineWidth = 2;
|
|
this.toolCtx.setLineDash([1]);
|
|
|
|
this.toolCtx.stroke();
|
|
|
|
this.toolCtx.beginPath();
|
|
for (var y = 1; y <= h; y += blockHeight) {
|
|
this.toolCtx.moveTo(0, y);
|
|
this.toolCtx.lineTo(w, y);
|
|
}
|
|
|
|
this.toolCtx.stroke();
|
|
},
|
|
redrawCanvas(force = false) {
|
|
if (this.currentAsciiLayers.length) {
|
|
// https://stackoverflow.com/questions/28390358/high-cpu-usage-with-canvas-and-requestanimationframe
|
|
|
|
// Position of the meta array
|
|
let x = 0;
|
|
let y = 0;
|
|
|
|
// Draws the actual rectangle
|
|
let canvasX = 0;
|
|
let canvasY = 0;
|
|
let curBlock = {};
|
|
|
|
// hack font for ascii shout outs 2 beenz
|
|
|
|
if (
|
|
this.diffBlocks.new.length &&
|
|
!this.canTool &&
|
|
!this.isTextEditing
|
|
) {
|
|
// If we have a difference stored, just render the difference only instead
|
|
// of the entire ascii again
|
|
|
|
// We also have to take into account layers, if there is a block on top
|
|
// we will not do anything
|
|
outer: for (let i in this.diffBlocks.new) {
|
|
let entry = this.diffBlocks.new[i];
|
|
canvasX = blockWidth * entry.x;
|
|
canvasY = blockHeight * entry.y;
|
|
curBlock = { ...entry.b };
|
|
|
|
for (let j = this.currentAsciiLayers.length-1; j >= this.diffBlocks.l; j--) {
|
|
let layer = this.currentAsciiLayers[j];
|
|
if (layer.data[entry.y][entry.x] && j !== this.diffBlocks.l) {
|
|
continue outer;
|
|
}
|
|
}
|
|
|
|
// Start to draw the actual block on the canvas
|
|
if (curBlock.bg !== undefined && curBlock.bg !== null && this.canBg) {
|
|
this.ctx.fillStyle = this.mircColours[curBlock.bg];
|
|
this.ctx.fillRect(canvasX, canvasY, blockWidth, blockHeight);
|
|
}
|
|
|
|
if (curBlock.char !== undefined && curBlock.char !== null) {
|
|
if (curBlock.fg !== undefined && curBlock.fg !== null && this.canFg) {
|
|
this.ctx.fillStyle = this.mircColours[curBlock.fg];
|
|
} else {
|
|
this.ctx.fillStyle = this.mircColours[0];
|
|
}
|
|
|
|
// Draw character
|
|
if (this.canText) {
|
|
this.ctx.fillText(
|
|
curBlock.char,
|
|
canvasX,
|
|
canvasY + blockHeight - 3
|
|
);
|
|
} else {
|
|
this.ctx.fillText(
|
|
this.currentAsciiLayerBlocks[entry.y][entry.x].char || " ",
|
|
canvasX,
|
|
canvasY + blockHeight - 3
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Reset diff blocks now that they have been drawn
|
|
this.diffBlocks = {
|
|
l: this.selectedLayerIndex,
|
|
new: [],
|
|
old: [],
|
|
};
|
|
|
|
// Store canvas hash
|
|
this.canvasHash = cyrb53(JSON.stringify(this.mergeLayers()));
|
|
} else {
|
|
let mergeLayers = this.mergeLayers();
|
|
let tempHash = cyrb53(JSON.stringify(mergeLayers));
|
|
|
|
if (tempHash === this.canvasHash && !force) {
|
|
// Avoid redrawing the entire canvas to same some CPU
|
|
// if we have no new changes
|
|
return;
|
|
}
|
|
|
|
this.canvasHash = tempHash;
|
|
this.ctx.save();
|
|
this.canvasRef.width = this.canvasRef.width;
|
|
this.ctx.clearRect(0, 0, this.canvas.width, this.canvas.height);
|
|
|
|
this.ctx.font = "13px Hack";
|
|
|
|
for (y = 0; y < this.currentAsciiHeight + 1; y++) {
|
|
canvasY = blockHeight * y;
|
|
|
|
// Experimental code to not rows blocks off screen
|
|
if (
|
|
this.options.renderOffScreen &&
|
|
this.top !== false &&
|
|
!this.checkVisible(this.top + canvasY - this.yOffset)
|
|
) {
|
|
continue;
|
|
}
|
|
|
|
for (x = 0; x < this.currentAsciiWidth + 1; x++) {
|
|
canvasX = blockWidth * x;
|
|
|
|
curBlock = { ...mergeLayers[y][x] };
|
|
|
|
if (curBlock.bg !== undefined && curBlock.bg !== null) {
|
|
this.ctx.fillStyle = this.mircColours[curBlock.bg];
|
|
this.ctx.fillRect(canvasX, canvasY, blockWidth, blockHeight);
|
|
}
|
|
|
|
if (curBlock.char !== undefined && curBlock.char !== null) {
|
|
if (curBlock.fg !== undefined && curBlock.fg !== null) {
|
|
this.ctx.fillStyle = this.mircColours[curBlock.fg];
|
|
} else {
|
|
this.ctx.fillStyle = "#FFFFFF";
|
|
}
|
|
|
|
this.ctx.fillText(
|
|
curBlock.char,
|
|
canvasX,
|
|
canvasY + blockHeight - 3
|
|
);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
this.ctx.restore();
|
|
}
|
|
},
|
|
onCanvasResize(left, top, width, height) {
|
|
const canvasBlockHeight = Math.floor(height / blockHeight);
|
|
const canvasBlockWidth = Math.floor(width / blockWidth);
|
|
let layers = fillNullBlocks(canvasBlockHeight, canvasBlockWidth);
|
|
|
|
this.top = top;
|
|
this.canvas.width = width;
|
|
this.canvas.height = height;
|
|
|
|
this.$store.commit("changeAsciiWidthHeight", {
|
|
width: canvasBlockWidth,
|
|
height: canvasBlockHeight,
|
|
layers: [...layers],
|
|
});
|
|
|
|
this.$refs.canvasdrag.width = width;
|
|
this.$refs.canvasdrag.height = height;
|
|
},
|
|
onCavasDragStop(x, y) {
|
|
// Update left and top in panel
|
|
this.top = y;
|
|
this.$store.commit("changeAsciiCanvasState", { x, y });
|
|
|
|
this.delayRedrawCanvas();
|
|
},
|
|
onCanvasDrag(x, y) {
|
|
this.top = y;
|
|
},
|
|
dispatchBlocks(clearDiff = false) {
|
|
this.diffBlocks.old = this.diffBlocks.old.flat();
|
|
this.diffBlocks.new = this.diffBlocks.new.flat();
|
|
|
|
this.$store.dispatch("updateAsciiBlocksAsync", {
|
|
blocks: this.currentAsciiLayerBlocks,
|
|
diff: { ...this.diffBlocks },
|
|
});
|
|
|
|
if (clearDiff) {
|
|
this.diffBlocks = {
|
|
l: this.selectedLayerIndex,
|
|
new: [],
|
|
old: [],
|
|
};
|
|
}
|
|
},
|
|
// Mouse Up, Down and Move
|
|
canvasMouseUp() {
|
|
if (this.isDefault) return;
|
|
|
|
switch (this.currentTool.name) {
|
|
case "brush":
|
|
this.canTool = false;
|
|
|
|
this.dispatchBlocks();
|
|
|
|
break;
|
|
|
|
case "eraser":
|
|
this.canTool = false;
|
|
|
|
this.dispatchBlocks(true);
|
|
|
|
break;
|
|
|
|
case "fill-eraser":
|
|
case "fill":
|
|
this.canTool = false;
|
|
break;
|
|
|
|
case "select":
|
|
this.selecting.canSelect = false;
|
|
this.processSelect();
|
|
break;
|
|
|
|
case "text":
|
|
this.textEditing.startX = this.x;
|
|
this.textEditing.startY = this.y;
|
|
break;
|
|
}
|
|
},
|
|
canvasMouseDown() {
|
|
if (this.isDefault) return;
|
|
|
|
if (this.asciiBlockAtXy && this.currentTool) {
|
|
const targetBlock = this.asciiBlockAtXy;
|
|
|
|
switch (this.currentTool.name) {
|
|
case "select":
|
|
this.selecting.startX = this.canvasX;
|
|
this.selecting.startY = this.canvasY;
|
|
this.selecting.canSelect = true;
|
|
this.clearToolCanvas();
|
|
break;
|
|
|
|
case "fill":
|
|
this.fill();
|
|
this.canTool = false;
|
|
this.dispatchBlocks(true);
|
|
break;
|
|
|
|
case "fill-eraser":
|
|
this.fill(true);
|
|
this.dispatchBlocks(true);
|
|
break;
|
|
|
|
case "brush":
|
|
this.canTool = true;
|
|
this.drawBrush();
|
|
break;
|
|
|
|
case "eraser":
|
|
this.canTool = true;
|
|
this.eraser();
|
|
break;
|
|
|
|
case "dropper":
|
|
if (this.canFg) {
|
|
this.$store.commit(
|
|
"changeColourFg",
|
|
targetBlock.fg === undefined ? this.currentFg : targetBlock.fg
|
|
);
|
|
}
|
|
|
|
if (this.canBg) {
|
|
this.$store.commit(
|
|
"changeColourBg",
|
|
targetBlock.bg === undefined ? this.currentBg : targetBlock.bg
|
|
);
|
|
}
|
|
|
|
if (this.canText) {
|
|
this.$store.commit(
|
|
"changeChar",
|
|
targetBlock.char === undefined
|
|
? this.currentChar
|
|
: targetBlock.char
|
|
);
|
|
}
|
|
|
|
this.$store.commit("changeTool", 0);
|
|
break;
|
|
}
|
|
}
|
|
},
|
|
canvasMouseMove(e) {
|
|
if (this.isDefault) return;
|
|
|
|
let lastX = this.x;
|
|
let lastY = this.y;
|
|
|
|
if (e.offsetX >= 0) {
|
|
this.x = e.offsetX;
|
|
}
|
|
|
|
if (e.offsetY >= 0) {
|
|
this.y = e.offsetY;
|
|
}
|
|
|
|
this.x = Math.floor(this.x / blockWidth);
|
|
this.y = Math.floor(this.y / blockHeight);
|
|
|
|
if (this.x === lastX && this.y === lastY) {
|
|
return;
|
|
}
|
|
|
|
this.$emit("coordsupdate", { x: this.x, y: this.y });
|
|
|
|
if (this.asciiBlockAtXy) {
|
|
switch (this.currentTool.name) {
|
|
case "brush":
|
|
if (this.isMouseOnCanvas) {
|
|
this.clearToolCanvas();
|
|
this.drawBrush();
|
|
this.delayRedrawCanvas();
|
|
}
|
|
break;
|
|
|
|
case "eraser":
|
|
this.clearToolCanvas();
|
|
|
|
if (this.isMouseOnCanvas) {
|
|
this.drawBrush(true);
|
|
this.delayRedrawCanvas();
|
|
this.eraser();
|
|
}
|
|
|
|
break;
|
|
|
|
case "select":
|
|
if (this.selecting.canSelect) {
|
|
this.selecting.endX = this.canvasX + blockWidth;
|
|
this.selecting.endY = this.canvasY + blockHeight;
|
|
|
|
this.redrawSelect();
|
|
}
|
|
|
|
if (!this.isSelected) {
|
|
this.redrawSelect();
|
|
}
|
|
|
|
break;
|
|
|
|
case "text":
|
|
this.clearToolCanvas();
|
|
this.drawIndicator();
|
|
|
|
if (this.isTextEditingValues) {
|
|
this.drawTextIndicator();
|
|
}
|
|
break;
|
|
|
|
case "dropper":
|
|
this.clearToolCanvas();
|
|
this.drawIndicator();
|
|
break;
|
|
|
|
case "fill":
|
|
case "fill-eraser":
|
|
this.clearToolCanvas();
|
|
this.drawIndicator();
|
|
break;
|
|
}
|
|
}
|
|
|
|
// this.delayRedrawCanvas();
|
|
},
|
|
clearToolCanvas() {
|
|
if (this.toolCtx) {
|
|
this.toolCtx.clearRect(0, 0, this.canvas.width, this.canvas.height);
|
|
// this.toolCtx.save();
|
|
this.toolCtx.width = this.toolCtx.width;
|
|
if (this.gridView) {
|
|
this.drawGrid();
|
|
}
|
|
}
|
|
},
|
|
delayRedrawCanvas() {
|
|
if (this.redraw) {
|
|
this.redraw = false;
|
|
var _this = this;
|
|
setTimeout(function () {
|
|
requestAnimationFrame(() => {
|
|
_this.redrawCanvas();
|
|
_this.redraw = true;
|
|
});
|
|
}, 1000 / this.options.fps);
|
|
}
|
|
},
|
|
getBlocksWidth(blocks) {
|
|
return getBlocksWidth(blocks);
|
|
},
|
|
filterNullBlocks(blocks) {
|
|
return filterNullBlocks(blocks);
|
|
},
|
|
//
|
|
// TOOLS
|
|
//
|
|
processSelect() {
|
|
//
|
|
let x = 0;
|
|
let y = 0;
|
|
|
|
let curBlock = {};
|
|
this.selectedBlocks = [];
|
|
|
|
// If we select from the bottom right towards top left
|
|
// we need to swap the values
|
|
if (this.selecting.endY < this.selecting.startY) {
|
|
let end = this.selecting.endY;
|
|
let start = this.selecting.startY;
|
|
|
|
this.selecting.startY = end;
|
|
this.selecting.endY = start;
|
|
}
|
|
|
|
if (this.selecting.endX < this.selecting.startX) {
|
|
let end = this.selecting.endX;
|
|
let start = this.selecting.startX;
|
|
|
|
this.selecting.startX = end;
|
|
this.selecting.endX = start;
|
|
}
|
|
|
|
for (y = 0; y < this.currentAsciiHeight; y++) {
|
|
if (
|
|
y > Math.floor(this.selecting.startY / blockHeight) - 1 &&
|
|
y < Math.floor(this.selecting.endY / blockHeight)
|
|
) {
|
|
if (!this.selectedBlocks[y]) {
|
|
this.selectedBlocks[y] = [];
|
|
}
|
|
|
|
for (x = 0; x < this.currentAsciiWidth; x++) {
|
|
if (
|
|
x > Math.ceil(this.selecting.startX / blockWidth) - 1 &&
|
|
x <= Math.ceil(this.selecting.endX / blockWidth) - 1
|
|
) {
|
|
if (
|
|
this.currentAsciiLayerBlocks[y] &&
|
|
this.currentAsciiLayerBlocks[y][x]
|
|
) {
|
|
curBlock = { ...this.currentAsciiLayerBlocks[y][x] };
|
|
|
|
if (!this.selectedBlocks[y][x]) {
|
|
this.selectedBlocks[y][x] = { ...curBlock };
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
this.$emit("selectedblocks", this.selectedBlocks);
|
|
this.$emit("selecting", this.selecting);
|
|
},
|
|
drawRectangleBlock(x, y) {
|
|
let indicatorColour = this.asciiBlockAtXy.bg === 0 ? 1 : 0;
|
|
|
|
if (this.asciiBlockAtXy.bg === 8) {
|
|
indicatorColour = 1;
|
|
}
|
|
|
|
this.toolCtx.fillStyle = this.mircColours[indicatorColour];
|
|
|
|
this.toolCtx.fillRect(
|
|
x * blockWidth,
|
|
y * blockHeight,
|
|
blockWidth,
|
|
blockHeight
|
|
);
|
|
|
|
this.toolCtx.setLineDash([1, 2]);
|
|
this.toolCtx.strokeRect(
|
|
x * blockWidth,
|
|
y * blockHeight,
|
|
blockWidth,
|
|
blockHeight
|
|
);
|
|
},
|
|
drawIndicator() {
|
|
this.drawRectangleBlock(this.x, this.y);
|
|
|
|
// We can draw icons on the tool canvas with the font awesome CSS
|
|
// it needs more work though to not conflict with the brush preview chars
|
|
// if (this.isTextEditing) {
|
|
// this.toolCtx.font = '600 22px "Font Awesome 5 Free"';
|
|
// this.toolCtx.fillText(
|
|
// "\uf031",
|
|
// this.x * blockWidth,
|
|
// this.y * blockHeight + blockHeight * 2
|
|
// );
|
|
// // this.toolCtx.font = "13px Hack";
|
|
// }
|
|
|
|
if (this.isTextEditing) {
|
|
if (this.mirrorX) {
|
|
this.drawRectangleBlock(this.currentAsciiWidth - this.x, this.y);
|
|
}
|
|
|
|
if (this.mirrorY) {
|
|
this.drawRectangleBlock(this.x, this.currentAsciiHeight - this.y);
|
|
}
|
|
|
|
if (this.mirrorY && this.mirrorX) {
|
|
this.drawRectangleBlock(
|
|
this.currentAsciiWidth - this.x,
|
|
this.currentAsciiHeight - this.y
|
|
);
|
|
}
|
|
}
|
|
},
|
|
drawTextIndicator() {
|
|
this.drawRectangleBlock(this.textEditing.startX, this.textEditing.startY);
|
|
|
|
if (this.mirrorX) {
|
|
this.drawRectangleBlock(
|
|
this.currentAsciiWidth - this.textEditing.startX,
|
|
this.textEditing.startY
|
|
);
|
|
}
|
|
|
|
if (this.mirrorY) {
|
|
this.drawRectangleBlock(
|
|
this.textEditing.startX,
|
|
this.currentAsciiHeight - this.textEditing.startY
|
|
);
|
|
}
|
|
|
|
if (this.mirrorY && this.mirrorX) {
|
|
this.drawRectangleBlock(
|
|
this.currentAsciiWidth - this.textEditing.startX,
|
|
this.currentAsciiHeight - this.textEditing.startY
|
|
);
|
|
}
|
|
},
|
|
//
|
|
// Functions related to drawBrush function bellow
|
|
//
|
|
drawBrushBlocks(brushX, brushY, brushBlock, target = null, plain = false) {
|
|
const arrayY = brushY / blockHeight;
|
|
const arrayX = brushX / blockWidth;
|
|
const asciiWidth = this.currentAsciiWidth;
|
|
const asciiHeight = this.currentAsciiHeight;
|
|
let targetBlock = this.currentAsciiLayerBlocks[arrayY][arrayX];
|
|
|
|
if (plain) {
|
|
// Used for eraser preview and other non brushs
|
|
let indicatorColour = targetBlock.bg === 0 ? 1 : 0;
|
|
|
|
if (targetBlock.bg === 8) {
|
|
indicatorColour = 1;
|
|
}
|
|
|
|
this.toolCtx.fillStyle = this.mircColours[indicatorColour];
|
|
|
|
this.toolCtx.fillRect(brushX, brushY, blockWidth, blockHeight);
|
|
|
|
if (this.mirrorX) {
|
|
this.toolCtx.fillRect(
|
|
(asciiWidth - arrayX) * blockWidth,
|
|
brushY,
|
|
blockWidth,
|
|
blockHeight
|
|
);
|
|
}
|
|
|
|
if (this.mirrorY) {
|
|
this.toolCtx.fillRect(
|
|
brushX,
|
|
(asciiHeight - arrayY) * blockHeight,
|
|
blockWidth,
|
|
blockHeight
|
|
);
|
|
}
|
|
|
|
if (this.mirrorY && this.mirrorX) {
|
|
this.toolCtx.fillRect(
|
|
(asciiWidth - arrayX) * blockWidth,
|
|
(asciiHeight - arrayY) * blockHeight,
|
|
blockWidth,
|
|
blockHeight
|
|
);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
switch (target) {
|
|
case "bg":
|
|
this.toolCtx.fillStyle =
|
|
brushBlock.bg !== undefined
|
|
? this.mircColours[brushBlock.bg]
|
|
: "rgba(255,255,255,0.4)";
|
|
|
|
break;
|
|
case "fg":
|
|
this.toolCtx.fillStyle =
|
|
brushBlock.fg !== undefined
|
|
? this.mircColours[brushBlock.fg]
|
|
: "#000000";
|
|
|
|
break;
|
|
|
|
// If no target is specified we assume we are rendering the text
|
|
default:
|
|
if (this.canText && brushBlock.char !== undefined) {
|
|
this.toolCtx.font = "Hack 13px";
|
|
|
|
this.toolCtx.fillStyle = this.canFg
|
|
? this.mircColours[brushBlock.fg]
|
|
: "#000000";
|
|
|
|
this.toolCtx.fillText(
|
|
brushBlock.char,
|
|
brushX,
|
|
brushY + blockHeight - 3
|
|
);
|
|
|
|
if (this.mirrorX) {
|
|
this.toolCtx.fillText(
|
|
brushBlock.char,
|
|
(asciiWidth - arrayX) * blockWidth,
|
|
brushY + blockHeight - 4
|
|
);
|
|
}
|
|
|
|
if (this.mirrorY) {
|
|
this.toolCtx.fillText(
|
|
brushBlock.char,
|
|
brushX,
|
|
(asciiHeight - arrayY) * blockHeight + 10
|
|
);
|
|
}
|
|
if (this.mirrorY && this.mirrorX) {
|
|
this.toolCtx.fillText(
|
|
brushBlock.char,
|
|
(asciiWidth - arrayX) * blockWidth,
|
|
(asciiHeight - arrayY) * blockHeight + 10
|
|
);
|
|
}
|
|
}
|
|
|
|
// Apply text to ascii blocks
|
|
if (this.canText && this.canTool) {
|
|
targetBlock["char"] = brushBlock["char"];
|
|
|
|
if (
|
|
this.mirrorX &&
|
|
this.currentAsciiLayerBlocks[arrayY] &&
|
|
this.currentAsciiLayerBlocks[arrayY][asciiWidth - arrayX]
|
|
) {
|
|
this.currentAsciiLayerBlocks[arrayY][asciiWidth - arrayX].char =
|
|
brushBlock.char;
|
|
}
|
|
|
|
if (
|
|
this.mirrorY &&
|
|
this.currentAsciiLayerBlocks[asciiHeight - arrayY] &&
|
|
this.currentAsciiLayerBlocks[asciiHeight - arrayY][arrayX]
|
|
) {
|
|
this.currentAsciiLayerBlocks[asciiHeight - arrayY][arrayX].char =
|
|
brushBlock.char;
|
|
}
|
|
|
|
if (
|
|
this.mirrorY &&
|
|
this.mirrorX &&
|
|
this.currentAsciiLayerBlocks[asciiHeight - arrayY] &&
|
|
this.currentAsciiLayerBlocks[asciiHeight - arrayY][
|
|
asciiWidth - arrayX
|
|
]
|
|
) {
|
|
this.currentAsciiLayerBlocks[asciiHeight - arrayY][
|
|
asciiWidth - arrayX
|
|
].char = brushBlock.char;
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
if (this.canBg && target == "bg") {
|
|
this.toolCtx.setLineDash([1, 2]);
|
|
this.toolCtx.strokeRect(brushX, brushY, blockWidth, blockHeight);
|
|
this.toolCtx.fillRect(brushX, brushY, blockWidth, blockHeight);
|
|
|
|
if (this.mirrorX) {
|
|
this.toolCtx.fillRect(
|
|
(asciiWidth - arrayX) * blockWidth,
|
|
brushY,
|
|
blockWidth,
|
|
blockHeight
|
|
);
|
|
|
|
this.toolCtx.setLineDash([1, 2]);
|
|
this.toolCtx.strokeRect(
|
|
(asciiWidth - arrayX) * blockWidth,
|
|
brushY,
|
|
blockWidth,
|
|
blockHeight
|
|
);
|
|
}
|
|
|
|
if (this.mirrorY) {
|
|
this.toolCtx.fillRect(
|
|
brushX,
|
|
(asciiHeight - arrayY) * blockHeight,
|
|
blockWidth,
|
|
blockHeight
|
|
);
|
|
|
|
this.toolCtx.setLineDash([1, 2]);
|
|
this.toolCtx.strokeRect(
|
|
brushX,
|
|
(asciiHeight - arrayY) * blockHeight,
|
|
blockWidth,
|
|
blockHeight
|
|
);
|
|
}
|
|
|
|
if (this.mirrorY && this.mirrorX) {
|
|
this.toolCtx.fillRect(
|
|
(asciiWidth - arrayX) * blockWidth,
|
|
(asciiHeight - arrayY) * blockHeight,
|
|
blockWidth,
|
|
blockHeight
|
|
);
|
|
|
|
this.toolCtx.setLineDash([1, 2]);
|
|
this.toolCtx.strokeRect(
|
|
(asciiWidth - arrayX) * blockWidth,
|
|
(asciiHeight - arrayY) * blockHeight,
|
|
blockWidth,
|
|
blockHeight
|
|
);
|
|
}
|
|
}
|
|
|
|
// Apply the actual brush block to the ascii block
|
|
if (this.canTool && brushBlock[target] !== undefined) {
|
|
targetBlock[target] = brushBlock[target];
|
|
// targetBlock['char'] = brushBlock['char'];
|
|
|
|
let theX = asciiWidth - arrayX;
|
|
let theY = asciiHeight - arrayY;
|
|
let oldBlock = {};
|
|
|
|
if (
|
|
this.mirrorX &&
|
|
this.currentAsciiLayerBlocks[arrayY] &&
|
|
this.currentAsciiLayerBlocks[arrayY][theX]
|
|
) {
|
|
oldBlock = { ...this.currentAsciiLayerBlocks[arrayY][theX] };
|
|
this.currentAsciiLayerBlocks[arrayY][theX][target] =
|
|
brushBlock[target];
|
|
|
|
this.storeDiffBlocks(theX, arrayY, oldBlock, brushBlock);
|
|
}
|
|
|
|
if (
|
|
this.mirrorY &&
|
|
this.currentAsciiLayerBlocks[theY] &&
|
|
this.currentAsciiLayerBlocks[theY][arrayX]
|
|
) {
|
|
oldBlock = { ...this.currentAsciiLayerBlocks[theY][arrayX] };
|
|
this.currentAsciiLayerBlocks[theY][arrayX][target] =
|
|
brushBlock[target];
|
|
|
|
this.storeDiffBlocks(arrayX, theY, oldBlock, brushBlock);
|
|
}
|
|
|
|
if (
|
|
this.mirrorY &&
|
|
this.mirrorX &&
|
|
this.currentAsciiLayerBlocks[theY] &&
|
|
this.currentAsciiLayerBlocks[theY][theX]
|
|
) {
|
|
oldBlock = { ...this.currentAsciiLayerBlocks[theY][theX] };
|
|
this.currentAsciiLayerBlocks[theY][theX][target] = brushBlock[target];
|
|
|
|
this.storeDiffBlocks(theX, theY, oldBlock, brushBlock);
|
|
}
|
|
}
|
|
|
|
this.toolCtx.restore();
|
|
return;
|
|
},
|
|
//
|
|
// drawBrush
|
|
// - draws brush
|
|
// - draws preview for all toolbar things that need it
|
|
// - also works with the copy / paste
|
|
drawBrush(plain = false) {
|
|
this.clearToolCanvas();
|
|
let brushDiffX = 0;
|
|
let xLength = false;
|
|
|
|
// 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] && xLength === false) {
|
|
brushDiffX = Math.floor(this.brushBlocks[i].length / 2) * blockWidth;
|
|
xLength = this.brushBlocks[i].length;
|
|
break;
|
|
}
|
|
}
|
|
|
|
const brushDiffY = Math.floor(this.brushBlocks.length / 2) * blockHeight;
|
|
|
|
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] ||
|
|
JSON.stringify(this.brushBlocks[y][x]) === "{}"
|
|
) {
|
|
continue;
|
|
}
|
|
|
|
// if (
|
|
// this.top !== false &&
|
|
// !this.checkVisible(this.top + (y * blockHeight) - this.yOffset)
|
|
// ) {
|
|
// continue;
|
|
// }
|
|
|
|
const brushBlock = this.brushBlocks[y][x];
|
|
|
|
const brushX = this.x * blockWidth + x * blockWidth - brushDiffX;
|
|
const brushY = this.y * blockHeight + y * blockHeight - brushDiffY;
|
|
|
|
const arrayY = brushY / blockHeight;
|
|
const arrayX = brushX / blockWidth;
|
|
|
|
if (
|
|
this.currentAsciiLayerBlocks[arrayY] &&
|
|
this.currentAsciiLayerBlocks[arrayY][arrayX]
|
|
) {
|
|
let oldBlock = {
|
|
...this.currentAsciiLayerBlocks[arrayY][arrayX],
|
|
};
|
|
|
|
if (!plain) {
|
|
if (this.canBg) {
|
|
this.drawBrushBlocks(brushX, brushY, brushBlock, "bg");
|
|
}
|
|
|
|
if (this.canFg) {
|
|
this.drawBrushBlocks(brushX, brushY, brushBlock, "fg");
|
|
}
|
|
|
|
this.drawBrushBlocks(brushX, brushY, brushBlock, null);
|
|
} else if (this.isErasing) {
|
|
this.drawBrushBlocks(brushX, brushY, brushBlock, null, true);
|
|
}
|
|
|
|
if (this.canTool) {
|
|
this.storeDiffBlocks(arrayX, arrayY, oldBlock, brushBlock);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
},
|
|
storeDiffBlocks(x, y, oldBlock, newBlock) {
|
|
// For undo
|
|
if (!this.diffBlocks.old[y]) {
|
|
this.diffBlocks.old[y] = [];
|
|
}
|
|
|
|
if (!this.diffBlocks.old[y][x]) {
|
|
this.diffBlocks.old[y][x] = {
|
|
x: x,
|
|
y: y,
|
|
b: { ...oldBlock },
|
|
};
|
|
}
|
|
|
|
if (!this.diffBlocks.new[y]) {
|
|
this.diffBlocks.new[y] = [];
|
|
}
|
|
|
|
if (!this.diffBlocks.new[y][x]) {
|
|
this.diffBlocks.new[y][x] = {
|
|
x: x,
|
|
y: y,
|
|
b: { ...newBlock },
|
|
};
|
|
}
|
|
},
|
|
eraser() {
|
|
if (this.canTool) {
|
|
const brushDiffX =
|
|
Math.floor(this.brushBlocks[0].length / 2) * blockWidth;
|
|
const brushDiffY =
|
|
Math.floor(this.brushBlocks.length / 2) * blockHeight;
|
|
|
|
for (let y = 0; y < this.brushBlocks.length; y++) {
|
|
for (let x = 0; x < this.brushBlocks[0].length; x++) {
|
|
const brushX = this.x * blockWidth + x * blockWidth - brushDiffX;
|
|
const brushY = this.y * blockHeight + y * blockHeight - brushDiffY;
|
|
|
|
const arrayY = brushY / blockHeight;
|
|
const arrayX = brushX / blockWidth;
|
|
|
|
if (this.currentAsciiLayerBlocks[arrayY] === undefined) {
|
|
continue;
|
|
}
|
|
|
|
if (this.currentAsciiLayerBlocks[arrayY][arrayX] === undefined) {
|
|
continue;
|
|
}
|
|
|
|
let targetBlock = this.currentAsciiLayerBlocks[arrayY][arrayX];
|
|
let oldBlock = { ...this.currentAsciiLayerBlocks[arrayY][arrayX] };
|
|
|
|
if (this.canFg && targetBlock.fg !== undefined) {
|
|
delete targetBlock["fg"];
|
|
}
|
|
|
|
if (this.canBg && targetBlock.bg !== undefined) {
|
|
delete targetBlock["bg"];
|
|
}
|
|
|
|
if (this.canText && targetBlock.char !== undefined) {
|
|
delete targetBlock["char"];
|
|
}
|
|
|
|
this.storeDiffBlocks(arrayX, arrayY, oldBlock, targetBlock);
|
|
|
|
let theX = this.currentAsciiWidth - arrayX;
|
|
if (this.mirrorX) {
|
|
if (
|
|
this.currentAsciiLayerBlocks[arrayY] &&
|
|
this.currentAsciiLayerBlocks[arrayY][theX]
|
|
) {
|
|
targetBlock = this.currentAsciiLayerBlocks[arrayY][theX];
|
|
oldBlock = { ...this.currentAsciiLayerBlocks[arrayY][theX] };
|
|
|
|
if (this.canFg && targetBlock.fg !== undefined) {
|
|
delete targetBlock["fg"];
|
|
}
|
|
|
|
if (this.canBg && targetBlock.bg !== undefined) {
|
|
delete targetBlock["bg"];
|
|
}
|
|
|
|
if (this.canText && targetBlock.char !== undefined) {
|
|
delete targetBlock["char"];
|
|
}
|
|
|
|
this.storeDiffBlocks(theX, arrayY, oldBlock, targetBlock);
|
|
}
|
|
}
|
|
|
|
let theY = this.currentAsciiHeight - arrayY;
|
|
if (this.mirrorY) {
|
|
if (
|
|
this.currentAsciiLayerBlocks[theY] &&
|
|
this.currentAsciiLayerBlocks[theY][arrayX]
|
|
) {
|
|
targetBlock = this.currentAsciiLayerBlocks[theY][arrayX];
|
|
oldBlock = { ...this.currentAsciiLayerBlocks[theY][arrayX] };
|
|
|
|
if (this.canFg && targetBlock.fg !== undefined) {
|
|
delete targetBlock["fg"];
|
|
}
|
|
|
|
if (this.canBg && targetBlock.bg !== undefined) {
|
|
delete targetBlock["bg"];
|
|
}
|
|
|
|
if (this.canText && targetBlock.char !== undefined) {
|
|
delete targetBlock["char"];
|
|
}
|
|
|
|
this.storeDiffBlocks(arrayX, theY, oldBlock, targetBlock);
|
|
}
|
|
}
|
|
|
|
if (this.mirrorY && this.mirrorX) {
|
|
if (
|
|
this.currentAsciiLayerBlocks[theY] &&
|
|
this.currentAsciiLayerBlocks[theY][theX]
|
|
) {
|
|
targetBlock = this.currentAsciiLayerBlocks[theY][theX];
|
|
oldBlock = { ...this.currentAsciiLayerBlocks[theY][theX] };
|
|
|
|
if (this.canFg && targetBlock.fg !== undefined) {
|
|
delete targetBlock["fg"];
|
|
}
|
|
|
|
if (this.canBg && targetBlock.bg !== undefined) {
|
|
delete targetBlock["bg"];
|
|
}
|
|
|
|
if (this.canText && targetBlock.char !== undefined) {
|
|
delete targetBlock["char"];
|
|
}
|
|
|
|
this.storeDiffBlocks(theX, theY, oldBlock, targetBlock);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
},
|
|
// Fill tool
|
|
fill(eraser = false) {
|
|
const newColor = {
|
|
fg: this.currentFg,
|
|
bg: this.currentBg,
|
|
char: this.currentChar,
|
|
};
|
|
|
|
const current = { ...this.asciiBlockAtXy };
|
|
|
|
if (!this.canBg) {
|
|
delete newColor["bg"];
|
|
}
|
|
|
|
// If the newColor is same as the existing
|
|
// Then return the original image.
|
|
if (JSON.stringify(current) === JSON.stringify(newColor) && !eraser) {
|
|
return;
|
|
}
|
|
|
|
this.fillTool(
|
|
this.currentAsciiLayerBlocks,
|
|
this.y,
|
|
this.x,
|
|
current,
|
|
eraser
|
|
);
|
|
},
|
|
fillTool(currentLayerBlocks, y, x, current, eraser) {
|
|
if (y >= Math.floor(this.canvas.height / blockHeight)) {
|
|
return;
|
|
}
|
|
|
|
if (x >= Math.floor(this.canvas.width / blockWidth)) {
|
|
return;
|
|
}
|
|
|
|
if (
|
|
currentLayerBlocks[y] === undefined ||
|
|
currentLayerBlocks[y][x] === undefined
|
|
) {
|
|
return;
|
|
}
|
|
|
|
let targetBlock = currentLayerBlocks[y][x];
|
|
|
|
if (this.canBg && targetBlock.bg !== current.bg) {
|
|
return;
|
|
}
|
|
|
|
// We can eraser or fill
|
|
let oldBlock = { ...targetBlock };
|
|
if (!eraser) {
|
|
if (this.canBg) {
|
|
targetBlock.bg = this.currentBg;
|
|
}
|
|
|
|
if (this.canFg) {
|
|
targetBlock.fg = this.currentFg;
|
|
}
|
|
|
|
if (this.canText) {
|
|
targetBlock.char = this.currentChar;
|
|
}
|
|
} else {
|
|
// If we are fill erasing
|
|
if (this.canBg) {
|
|
delete targetBlock["bg"];
|
|
}
|
|
|
|
if (this.canFg) {
|
|
delete targetBlock["fg"];
|
|
}
|
|
|
|
if (this.canText) {
|
|
delete targetBlock["char"];
|
|
}
|
|
}
|
|
|
|
this.storeDiffBlocks(x, y, oldBlock, targetBlock);
|
|
|
|
// Fill in all four directions
|
|
// Fill Prev row
|
|
this.fillTool(currentLayerBlocks, y, x - 1, current, eraser);
|
|
|
|
// Fill Next row
|
|
this.fillTool(currentLayerBlocks, y, x + 1, current, eraser);
|
|
|
|
// Fill Prev col
|
|
this.fillTool(currentLayerBlocks, y - 1, x, current, eraser);
|
|
|
|
// Fill next col
|
|
this.fillTool(currentLayerBlocks, y + 1, x, current, eraser);
|
|
},
|
|
},
|
|
};
|
|
</script>
|