705 lines
19 KiB
Vue
705 lines
19 KiB
Vue
<template>
|
|
<div>
|
|
<div id="canvas-area">
|
|
<vue-draggable-resizable
|
|
style="z-index: 5"
|
|
:grid="[currentAscii.blockWidth, currentAscii.blockHeight]"
|
|
:w="canvas.width"
|
|
:h="canvas.height"
|
|
:draggable="$store.getters.getCurrentTool === 0"
|
|
@resizestop="onCanvasResize"
|
|
@dragstop="onCavasDragStop"
|
|
:x="currentAscii.x"
|
|
:y="currentAscii.y"
|
|
>
|
|
<canvas
|
|
ref="canvastools"
|
|
id="canvastools"
|
|
class="canvastools"
|
|
:width="canvas.width"
|
|
:height="canvas.height"
|
|
@mousemove="canvasMouseMove"
|
|
@mousedown="canvasMouseDown"
|
|
@mouseup="canvasMouseUp"
|
|
></canvas>
|
|
|
|
<canvas
|
|
ref="canvas"
|
|
id="canvas"
|
|
class="canvas"
|
|
:width="canvas.width"
|
|
:height="canvas.height"
|
|
@mousemove="canvasMouseMove"
|
|
@mousedown="canvasMouseDown"
|
|
@mouseup="canvasMouseUp"
|
|
></canvas>
|
|
</vue-draggable-resizable>
|
|
</div>
|
|
</div>
|
|
</template>
|
|
|
|
<style>
|
|
body {
|
|
background: #eee;
|
|
}
|
|
|
|
.canvastools {
|
|
position: absolute;
|
|
z-index: 100;
|
|
}
|
|
|
|
.canvas {
|
|
position: absolute;
|
|
background: rgba(0, 0, 0, 0.8);
|
|
border: lightgrey 1px solid;
|
|
z-index: 0;
|
|
}
|
|
</style>
|
|
|
|
<script>
|
|
import Block from "../components/Block.vue";
|
|
|
|
export default {
|
|
name: "Editor",
|
|
components: { Block },
|
|
mounted() {
|
|
if (this.$store.getters.currentAscii.blocks) {
|
|
this.ctx = this.$refs.canvas.getContext("2d");
|
|
this.toolCtx = this.$refs.canvastools.getContext("2d");
|
|
|
|
this.canvas.width =
|
|
this.$store.getters.currentAscii.width *
|
|
this.$store.getters.currentAscii.blockWidth;
|
|
this.canvas.height =
|
|
this.$store.getters.currentAscii.height *
|
|
this.$store.getters.currentAscii.blockHeight;
|
|
|
|
this.delayRedrawCanvas();
|
|
this.$store.commit("changeTool", 0);
|
|
|
|
const _this = this;
|
|
this._keyListener = function (e) {
|
|
// if (e.key === "s" && (e.ctrlKey || e.metaKey)) {
|
|
e.preventDefault(); // present "Save Page" from getting triggered.
|
|
|
|
_this.canvasKeyDown(e.key);
|
|
// }
|
|
};
|
|
|
|
document.addEventListener("keydown", this._keyListener.bind(this));
|
|
}
|
|
},
|
|
created() {},
|
|
data: () => ({
|
|
ctx: null,
|
|
toolCtx: null,
|
|
canvas: {
|
|
width: 512,
|
|
height: 512,
|
|
},
|
|
x: 0, // Ascii X and Y
|
|
y: 0, // Ascii X and Y
|
|
redraw: true, // Used to limit canvas redraw
|
|
canTool: false,
|
|
throttle: true,
|
|
textEditing: {
|
|
startX: null,
|
|
startY: null,
|
|
},
|
|
selecting: {
|
|
startX: null,
|
|
startY: null,
|
|
endX: null,
|
|
endY: null,
|
|
canSelect: false,
|
|
},
|
|
}),
|
|
computed: {
|
|
canvasStyle() {
|
|
return `width:${this.canvas.width};height:${this.canvas.height};`;
|
|
},
|
|
generateTitle() {
|
|
return this.$store.getters.currentAscii.title ?? "";
|
|
},
|
|
currentAscii() {
|
|
return this.$store.getters.currentAscii;
|
|
},
|
|
currentTool() {
|
|
return this.$store.getters.getToolbarIcons[
|
|
this.$store.getters.getCurrentTool
|
|
];
|
|
},
|
|
canFg() {
|
|
return this.$store.getters.getTargetingFg
|
|
},
|
|
canBg() {
|
|
return this.$store.getters.getTargetingBg
|
|
},
|
|
canText() {
|
|
return this.$store.getters.getTargetingChar
|
|
},
|
|
isTextEditing() {
|
|
return (
|
|
this.$store.getters.getToolbarIcons[this.$store.getters.getCurrentTool]
|
|
.name === "text"
|
|
);
|
|
},
|
|
isSelecting() {
|
|
return (
|
|
this.$store.getters.getToolbarIcons[this.$store.getters.getCurrentTool]
|
|
.name === "select"
|
|
);
|
|
},
|
|
dragboxStyle() {
|
|
return `z-index: 5;width:${this.canvas.width + 4};height:${
|
|
this.canvas.height + 4
|
|
};`;
|
|
},
|
|
},
|
|
watch: {
|
|
currentAscii(val, old) {
|
|
this.canvas.width =
|
|
this.$store.getters.currentAscii.width *
|
|
this.$store.getters.currentAscii.blockWidth;
|
|
this.canvas.height =
|
|
this.$store.getters.currentAscii.height *
|
|
this.$store.getters.currentAscii.blockHeight;
|
|
|
|
this.delayRedrawCanvas();
|
|
|
|
document.title = `asciibird - ${this.currentAscii.title}`;
|
|
},
|
|
currentTool() {
|
|
switch (
|
|
this.$store.getters.getToolbarIcons[this.$store.getters.getCurrentTool]
|
|
.name
|
|
) {
|
|
case "default":
|
|
Object.assign(this.textEditing, {
|
|
startX: null,
|
|
startY: null,
|
|
});
|
|
|
|
Object.assign(this.selecting, {
|
|
startX: null,
|
|
startY: null,
|
|
endX: null,
|
|
endY: null,
|
|
canSelect: false,
|
|
});
|
|
break;
|
|
}
|
|
},
|
|
},
|
|
methods: {
|
|
redrawToolCanvas() {
|
|
if (this.currentAscii.blocks.length) {
|
|
this.clearToolCanvas();
|
|
this.toolCtx.fillStyle = "rgba(255, 255, 255, 0.4)";
|
|
const BLOCK_WIDTH = this.currentAscii.blockWidth;
|
|
const BLOCK_HEIGHT = this.currentAscii.blockHeight;
|
|
|
|
this.toolCtx.fillRect(
|
|
this.selecting.startX,
|
|
this.selecting.startY,
|
|
this.selecting.endX,
|
|
this.selecting.endY
|
|
);
|
|
this.toolCtx.stroke();
|
|
}
|
|
},
|
|
redrawCanvas() {
|
|
// Clears the whole canvas, we can maybe get a better way to check how far
|
|
// we need to clear the canvas
|
|
this.ctx.clearRect(0, 0, 10000, 10000);
|
|
|
|
if (this.currentAscii.blocks.length) {
|
|
const BLOCK_WIDTH = this.currentAscii.blockWidth;
|
|
const BLOCK_HEIGHT = this.currentAscii.blockHeight;
|
|
|
|
// Position of the meta array
|
|
let x = 0;
|
|
let y = 0;
|
|
|
|
// Draws the actual rectangle
|
|
let canvasX = 0;
|
|
let canvasY = 0;
|
|
let curBlock = {};
|
|
|
|
// hack font for ascii shout outs 2 beenz
|
|
this.ctx.font = "12.5px Hack";
|
|
|
|
for (y = 0; y < this.currentAscii.height + 1; y++) {
|
|
canvasY = BLOCK_HEIGHT * y;
|
|
|
|
for (x = 0; x < this.currentAscii.width + 1; x++) {
|
|
if (this.currentAscii.blocks[y] && this.currentAscii.blocks[y][x]) {
|
|
curBlock = Object.assign(
|
|
curBlock,
|
|
this.currentAscii.blocks[y][x]
|
|
);
|
|
|
|
canvasX = BLOCK_WIDTH * x;
|
|
|
|
// Background block
|
|
if (curBlock.bg !== null) {
|
|
this.ctx.fillStyle = this.$store.getters.mircColours[
|
|
curBlock.bg
|
|
];
|
|
this.ctx.fillRect(canvasX, canvasY, BLOCK_WIDTH, BLOCK_HEIGHT);
|
|
} else {
|
|
this.ctx.fillStyle = "rgba(0, 0, 200, 0)";
|
|
}
|
|
|
|
if (curBlock.char) {
|
|
if (curBlock.fg !== null) {
|
|
this.ctx.fillStyle = this.$store.getters.mircColours[
|
|
curBlock.fg
|
|
];
|
|
} else {
|
|
this.ctx.fillStyle = "#000000";
|
|
}
|
|
|
|
this.ctx.fillText(
|
|
curBlock.char,
|
|
canvasX - 1,
|
|
canvasY + BLOCK_HEIGHT - 3
|
|
);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
this.ctx.stroke();
|
|
},
|
|
onCanvasResize(left, top, width, height) {
|
|
const emptyBlock = {
|
|
bg: null,
|
|
fg: null,
|
|
char: null,
|
|
};
|
|
|
|
const blocks = this.$store.getters.currentAsciiBlocks;
|
|
|
|
const oldWidth = blocks[0].length; // * this.currentAscii.blockWidth;
|
|
const oldHeight = blocks.length; // * this.currentAscii.blockHeight;
|
|
|
|
const canvasBlockHeight = Math.floor(
|
|
height / this.currentAscii.blockHeight
|
|
);
|
|
const canvasBlockWidth = Math.floor(width / this.currentAscii.blockWidth);
|
|
|
|
if (canvasBlockHeight > oldHeight) {
|
|
console.log({ canvasBlockHeight, oldHeight });
|
|
|
|
for (let y = 0; y < canvasBlockHeight; y++) {
|
|
// New row
|
|
if (!blocks[y]) {
|
|
blocks[y] = [];
|
|
for (let x = 0; x < canvasBlockWidth; x++) {
|
|
blocks[y][x] = Object.assign({}, emptyBlock);
|
|
}
|
|
} else {
|
|
// blocks[y]
|
|
// no new rows but new cols
|
|
for (let x = 0; x < canvasBlockWidth; x++) {
|
|
if (blocks[y] && !blocks[y][x]) {
|
|
blocks[y][x] = Object.assign({}, emptyBlock);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (canvasBlockWidth > oldWidth) {
|
|
console.log({ canvasBlockWidth, oldWidth });
|
|
}
|
|
|
|
this.canvas.width = width;
|
|
this.canvas.height = height;
|
|
|
|
this.$store.commit("changeAsciiWidthHeight", {
|
|
width: canvasBlockWidth,
|
|
height: canvasBlockHeight,
|
|
});
|
|
|
|
this.$store.commit("updateAsciiBlocks", blocks);
|
|
// Restructure blocks code here
|
|
this.delayRedrawCanvas();
|
|
},
|
|
onCavasDragStop(x, y) {
|
|
// Update left and top in panel
|
|
this.$store.commit("changeAsciiCanvasState", { x, y });
|
|
},
|
|
canvasKeyDown(char) {
|
|
if (this.isTextEditing) {
|
|
if (
|
|
this.currentAscii.blocks[this.textEditing.startY] &&
|
|
this.currentAscii.blocks[this.textEditing.startY][
|
|
this.textEditing.startX
|
|
]
|
|
) {
|
|
const targetBlock = this.currentAscii.blocks[this.textEditing.startY][
|
|
this.textEditing.startX
|
|
];
|
|
|
|
switch (char) {
|
|
case "Backspace":
|
|
if (
|
|
this.currentAscii.blocks[this.textEditing.startY][
|
|
this.textEditing.startX - 1
|
|
]
|
|
) {
|
|
this.textEditing.startX--;
|
|
targetBlock.char = null;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
if (char.length === 1) {
|
|
if (this.$store.getters.getTargetingFg) {
|
|
targetBlock.fg = this.$store.getters.getFgColour;
|
|
}
|
|
|
|
targetBlock.char = char;
|
|
|
|
if (
|
|
this.currentAscii.blocks[this.textEditing.startY][
|
|
this.textEditing.startX + 1
|
|
]
|
|
) {
|
|
this.textEditing.startX++;
|
|
} else {
|
|
this.textEditing.startX = 0;
|
|
|
|
if (this.textEditing.startY < this.currentAscii.height) {
|
|
this.textEditing.startY++;
|
|
}
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
this.delayRedrawCanvas();
|
|
}
|
|
},
|
|
// Mouse Up, Down and Move
|
|
canvasMouseUp() {
|
|
switch (this.currentTool.name) {
|
|
case "brush":
|
|
this.canTool = false;
|
|
break;
|
|
|
|
case "eraser":
|
|
this.canTool = false;
|
|
break;
|
|
|
|
case "fill":
|
|
this.canTool = false;
|
|
|
|
break;
|
|
|
|
case "select":
|
|
this.selecting.canSelect = false;
|
|
this.clearToolCanvas();
|
|
break;
|
|
|
|
case "text":
|
|
if (
|
|
this.textEditing.startX === null ||
|
|
this.textEditing.startY === null
|
|
) {
|
|
this.textEditing.startX = this.x;
|
|
this.textEditing.startY = this.y;
|
|
}
|
|
break;
|
|
}
|
|
|
|
this.delayRedrawCanvas();
|
|
},
|
|
canvasMouseDown() {
|
|
this.toolCtx.clearRect(0, 0, 10000, 10000);
|
|
|
|
if (
|
|
this.currentAscii.blocks[this.y] &&
|
|
this.currentAscii.blocks[this.y][this.x] &&
|
|
this.currentTool
|
|
) {
|
|
const targetBlock = this.currentAscii.blocks[this.y][this.x];
|
|
|
|
switch (this.currentTool.name) {
|
|
case "default":
|
|
break;
|
|
|
|
case "select":
|
|
if (
|
|
this.selecting.startX === null ||
|
|
this.selecting.startY === null
|
|
) {
|
|
this.selecting.startX = this.x;
|
|
this.selecting.startY = this.y;
|
|
this.selecting.canSelect = true;
|
|
}
|
|
|
|
break;
|
|
|
|
case "fill":
|
|
this.fill();
|
|
break;
|
|
|
|
case "brush":
|
|
this.canTool = true;
|
|
this.drawBrush()
|
|
break;
|
|
|
|
case "eraser":
|
|
this.canTool = true;
|
|
break;
|
|
|
|
case "dropper":
|
|
if (this.$store.getters.getTargetingFg) {
|
|
this.$store.commit("changeColourFg", targetBlock.fg);
|
|
}
|
|
|
|
if (this.$store.getters.getTargetingBg) {
|
|
this.$store.commit("changeColourBg", targetBlock.bg);
|
|
}
|
|
|
|
if (this.$store.getters.getTargetingChar) {
|
|
this.$store.commit("changeChar", targetBlock.char);
|
|
}
|
|
|
|
this.$store.commit("changeTool", 0);
|
|
break;
|
|
}
|
|
}
|
|
},
|
|
canvasMouseMove(e) {
|
|
if (e.offsetX >= 0) {
|
|
this.x = e.offsetX;
|
|
}
|
|
|
|
if (e.offsetY >= 0) {
|
|
this.y = e.offsetY;
|
|
}
|
|
|
|
this.x = Math.round(this.x / this.currentAscii.blockWidth);
|
|
this.y = Math.round(this.y / this.currentAscii.blockHeight);
|
|
|
|
this.$emit("coordsupdate", { x: this.x, y: this.y });
|
|
|
|
if (
|
|
this.currentAscii.blocks[this.y] &&
|
|
this.currentAscii.blocks[this.y][this.x]
|
|
) {
|
|
let targetBlock = this.currentAscii.blocks[this.y][this.x];
|
|
|
|
switch (
|
|
this.$store.getters.getToolbarIcons[
|
|
this.$store.getters.getCurrentTool
|
|
].name
|
|
) {
|
|
case "brush":
|
|
this.drawBrush()
|
|
break;
|
|
|
|
case "eraser":
|
|
if (this.canTool) {
|
|
if (this.$store.getters.getTargetingFg) {
|
|
targetBlock.fg = null;
|
|
}
|
|
|
|
if (this.$store.getters.getTargetingBg) {
|
|
targetBlock.bg = null;
|
|
}
|
|
|
|
if (this.$store.getters.getTargetingChar) {
|
|
targetBlock.char = null;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case "select":
|
|
if (this.selecting.canSelect) {
|
|
this.selecting.endX = this.x;
|
|
this.selecting.endY = this.y;
|
|
}
|
|
|
|
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.$store.state.options.canvasRedrawSpeed);
|
|
}
|
|
},
|
|
//
|
|
// TOOLS
|
|
//
|
|
// Fill tool
|
|
drawBrush() {
|
|
this.clearToolCanvas();
|
|
const BLOCK_WIDTH = this.currentAscii.blockWidth;
|
|
const BLOCK_HEIGHT = this.currentAscii.blockHeight;
|
|
|
|
let targetBlock = this.currentAscii.blocks[this.y][this.x];
|
|
|
|
for (let y = 0; y < this.$store.getters.brushBlocks.length; y++) {
|
|
for (let x = 0;x < this.$store.getters.brushBlocks[0].length;x++) {
|
|
let curBlock = this.$store.getters.brushBlocks[y][x];
|
|
|
|
let arrayX = this.x + x;
|
|
let arrayY = this.y + y;
|
|
|
|
let diffX = Math.ceil(arrayX / 2)
|
|
let diffY = Math.ceil(arrayY / 2)
|
|
|
|
let brushDiffX = arrayX - diffX;
|
|
let brushDiffY = arrayY - diffY;
|
|
|
|
let brushX = (this.x * BLOCK_WIDTH) + (x * BLOCK_WIDTH);
|
|
let brushY = (this.y * BLOCK_HEIGHT) + (y * BLOCK_HEIGHT);
|
|
|
|
if (this.currentAscii.blocks[arrayY] && this.currentAscii.blocks[arrayY][arrayX]) {
|
|
targetBlock = this.currentAscii.blocks[arrayY][arrayX];
|
|
|
|
if (this.canBg) {
|
|
this.toolCtx.fillStyle = this.$store.getters.mircColours[curBlock.bg];
|
|
|
|
this.toolCtx.fillRect(
|
|
brushX,
|
|
brushY,
|
|
BLOCK_WIDTH,
|
|
BLOCK_HEIGHT
|
|
);
|
|
|
|
if (this.canTool) {
|
|
targetBlock.bg = this.$store.getters.getBgColour;
|
|
}
|
|
}
|
|
|
|
if (this.canFg) {
|
|
this.toolCtx.fillStyle = this.$store.getters.mircColours[curBlock.fg];
|
|
|
|
if (this.canTool) {
|
|
targetBlock.fg = this.$store.getters.getFgColour;
|
|
}
|
|
|
|
}
|
|
|
|
if (this.canText) {
|
|
this.toolCtx.fillStyle = this.$store.getters.mircColours[curBlock.fg];
|
|
this.toolCtx.fillText(
|
|
curBlock.char,
|
|
brushX - 1,
|
|
brushY + BLOCK_HEIGHT - 3
|
|
);
|
|
|
|
if (this.canTool) {
|
|
targetBlock.char = this.$store.getters.getSelectedChar;
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
|
|
}
|
|
}
|
|
|
|
this.toolCtx.stroke();
|
|
},
|
|
fill() {
|
|
const fillBlocks = {
|
|
...this.currentAscii.blocks,
|
|
};
|
|
|
|
const { x } = this;
|
|
const { y } = this;
|
|
|
|
const newColor = this.$store.getters.getBgColour;
|
|
|
|
// Get the input which needs to be replaced.
|
|
const current = fillBlocks[y][x].bg;
|
|
|
|
// If the newColor is same as the existing
|
|
// Then return the original image.
|
|
if (current === newColor) {
|
|
return fillBlocks;
|
|
}
|
|
|
|
// Other wise call the fill function which will fill in the existing image.
|
|
this.fillTool(fillBlocks, y, x, newColor, current);
|
|
|
|
this.$store.commit("updateAsciiBlocks", fillBlocks);
|
|
},
|
|
fillTool(fillBlocks, y, x, newColor, 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
|
|
// Bug with null bg stuff
|
|
// if (fillBlocks[y] && fillBlocks[y][x] && fillBlocks[y][x].bg !== null) {
|
|
if (fillBlocks[y][x].bg !== current) {
|
|
return;
|
|
}
|
|
|
|
// Update the new color
|
|
|
|
// }
|
|
|
|
fillBlocks[y][x].bg = newColor;
|
|
|
|
// Fill in all four directions
|
|
// Fill Prev row
|
|
this.fillTool(fillBlocks, y, x - 1, newColor, current);
|
|
|
|
// Fill Next row
|
|
this.fillTool(fillBlocks, y, x + 1, newColor, current);
|
|
|
|
// Fill Prev col
|
|
this.fillTool(fillBlocks, y - 1, x, newColor, current);
|
|
|
|
// Fill next col
|
|
this.fillTool(fillBlocks, y + 1, x, newColor, current);
|
|
},
|
|
},
|
|
};
|
|
</script>
|