From d40c7d9f09d9b012837d6060a4c598b23b19646f Mon Sep 17 00:00:00 2001 From: Martin Ashby Date: Thu, 17 May 2018 18:18:11 +0100 Subject: Palette, tools, load & save working --- src/Actions.js | 51 ++++++++ src/App.css | 33 +++-- src/App.js | 302 +++++++++++++++++++++------------------------ src/App.test.js | 9 -- src/ColorIndicator.js | 30 +++++ src/ConnectedIndicator.js | 11 ++ src/LoadDialog.js | 21 ++++ src/PaintArea.js | 74 +++++++++++ src/Palette.js | 44 +++++++ src/SaveDialog.js | 28 +++++ src/Toolkit.js | 31 +++++ src/Utils.js | 103 ++++++++++++++++ src/Utils.test.js | 81 ++++++++++++ src/fontawesome-all.min.js | 5 + src/logo.svg | 7 -- 15 files changed, 646 insertions(+), 184 deletions(-) create mode 100644 src/Actions.js delete mode 100644 src/App.test.js create mode 100644 src/ColorIndicator.js create mode 100644 src/ConnectedIndicator.js create mode 100644 src/LoadDialog.js create mode 100644 src/PaintArea.js create mode 100644 src/Palette.js create mode 100644 src/SaveDialog.js create mode 100644 src/Toolkit.js create mode 100644 src/Utils.js create mode 100644 src/Utils.test.js create mode 100644 src/fontawesome-all.min.js delete mode 100644 src/logo.svg (limited to 'src') diff --git a/src/Actions.js b/src/Actions.js new file mode 100644 index 0000000..1f4e7cf --- /dev/null +++ b/src/Actions.js @@ -0,0 +1,51 @@ +const NO_OP = 'NO_OP' +const SET_PIXEL = 'SET_PIXEL' +const CLEAR = 'CLEAR' +const SAVE = 'SAVE' +const LOAD = 'LOAD' + +function sendAction(websocket, action) { + let actionStr = JSON.stringify(action) + websocket.send(actionStr) +} + +function save(websocket, saveName) { + sendAction(websocket, { + type: SAVE, + saveName: saveName + }) +} + +function load(websocket, saveName) { + sendAction(websocket, { + type: LOAD, + saveName: saveName + }) +} + +function setPixel(websocket, x, y, r, g, b) { + sendAction(websocket, { + type: SET_PIXEL, + x: x, + y: y, + r: r, + g: g, + b: b + }) +} + +function clear(websocket) { + sendAction(websocket, { type: CLEAR }) +} + +function noop(websocket) { + sendAction(websocket, { type: NO_OP }) +} + +export { + setPixel, + clear, + noop, + save, + load +} \ No newline at end of file diff --git a/src/App.css b/src/App.css index 9de7f5a..c436008 100644 --- a/src/App.css +++ b/src/App.css @@ -1,19 +1,38 @@ -.paintarea { +.toolkit { + float: right; + background: lightblue; } +.toolkititem { + padding: 5px; +} + +.toolkititem.selected { + background: lightcoral; +} + +/* .paintarea { + +} */ + .paintareacell { - width: 40px; - height: 40px; + width: 20px; + height: 20px; border: 1px solid grey; } .paletteitem { - width: 40px; - height: 40px; - border: 1px solid grey; + width: 30px; + height: 30px; + border: 3px solid black; display: inline-block; } .paletteitem.selected { - border: 1px solid red; + border: 3px solid red; +} + +.colorIndicator { + width: 100px; + height: 100px; } \ No newline at end of file diff --git a/src/App.js b/src/App.js index 221fbd4..68473ce 100644 --- a/src/App.js +++ b/src/App.js @@ -1,150 +1,80 @@ import React, { Component } from 'react' -import logo from './logo.svg' import './App.css' - -const NO_OP = 'NO_OP' -const SET_PIXEL = 'SET_PIXEL' -const CLEAR = 'CLEAR' - -function sendAction(websocket, action) { - let actionStr = JSON.stringify(action) - websocket.send(actionStr) -} - -function setPixel(websocket, x, y, r, g, b) { - sendAction(websocket, { - type: SET_PIXEL, - x: x, - y: y, - r: r, - g: g, - b: b - }) -} - -function clear(websocket) { - sendAction(websocket, { type: CLEAR }) -} - -function noop(websocket) { - sendAction(websocket, { type: NO_OP }) -} - -function rgb(item) { - return { - r: item[0], - g: item[1], - b: item[2] - } -} - -const colorPalette = [ - [0,0,0], - [132,0,0], - [0,132,0], - [132,132,0], - [0,0,132], - [132,0,132], - [0,132,132], - [132,132,132], - [198,198,198], - [255,0,0], - [0,255,0], - [255,255,0], - [0,0,255], - [255,0,255], - [0,255,255], - [255,255,255], -] - - -class Palette extends Component { - render() { - let paletteListItems = colorPalette.map((item) => { - var className = "paletteitem" - let { r, g, b } = rgb(item) - let selected = rgb(this.props.selectedColor) - if (r === selected.r && g === selected.g && b === selected.b) { - className += " selected" - } - return
this.props.onSelectColor([r, g, b])} - style={{background: `rgb(${r},${g},${b})`}} - className={className} - key={r*10000+g*1000+b}/> - }) - return ( -
- {paletteListItems} -
) - } -} - -class PaintArea extends Component { - constructor(props) { - super(props) - this.handleMouseMove = this.handleMouseMove.bind(this) - - this._onMouseDown = this._onMouseDown.bind(this) - this._onMouseUp = this._onMouseUp.bind(this) - this.state = { - mouseDown: false +import { rgb, xy, findContiguousPixels, getPixel } from './Utils' +import { setPixel, clear, noop, save, load } from './Actions' +import Palette from './Palette' +import PaintArea from './PaintArea' +import Toolkit from './Toolkit' +import ColorIndicator from './ColorIndicator' +import ConnectedIndicator from './ConnectedIndicator' +import LoadDialog from './LoadDialog' +import SaveDialog from './SaveDialog' + +const tools = [ + { + name: "paint", + icon: "fas fa-pencil-alt", + action: function (x, y) { + let { r, g, b } = rgb(this.state.selectedColor) + setPixel(this._websocket, x, y, r, g, b) } - } - - _onMouseDown() { - this.setState({ mouseDown: true }) - } - - _onMouseUp() { - this.setState({ mouseDown: false }) - } - - componentWillMount() { - document.addEventListener('mousedown', this._onMouseDown) - document.addEventListener('mouseup', this._onMouseUp) - } - - componentWillUnmount() { - document.removeEventListener('mousedown', this._onMouseDown) - document.removeEventListener('mouseup', this._onMouseUp) - } - - handleMouseMove(x, y) { - if (this.state.mouseDown) { - this.props.onTool(x, y) - } - } - - render() { - let cells = this.props.data.map((row, iy) => { - let rowCells = row.map((cell, ix) => { - let r = cell[0] - let g = cell[1] - let b = cell[2] - return this.handleMouseMove(ix, iy)} - onClick={() => this.props.onTool(ix, iy)} - className="paintareacell" - style={{ - background: `rgb(${r},${g},${b})` - }} - key={(ix * 100000) + iy}/> + }, + { + name: "fill", + icon: "fab fa-bitbucket", + action: function (x, y) { + let pixelsToColor = findContiguousPixels(x, y, this.state.pixels) + pixelsToColor.forEach((coord) => { + let px = { ...xy(coord), ...rgb(this.state.selectedColor)} + setPixel(this._websocket, px.x, px.y, px.r, px.g, px.b) }) - return {rowCells} - }) - - return ( - - - {cells} - -
- ) - } -} + } + }, + { + name: "erase", + icon: "fas fa-eraser", + action: function (x, y) { + setPixel(this._websocket, x, y, 0, 0, 0) + }, + }, + { + name: "pick", + icon: "fas fa-eye-dropper", + action: function (x, y) { + let color = getPixel(x, y, this.state.pixels) + this.setState({ selectedColor: color }) + }, + }, + // { + // name: "lighten", + // icon: "far fa-sun" + // }, + // { + // name: "darken", + // icon: "fas fa-sun" + // }, + { + name: "save", + icon: "fas fa-save", + onSelect: function () { + this.setState({ showingSave: true }) + } + }, + { + name: "load", + icon: "fas fa-save", + onSelect: function () { + this.setState({ showingLoad: true }) + } + }, + { + name: "trash", + icon: "fas fa-trash", + onSelect: function () { + clear(this._websocket) + } + }, +] class App extends Component { constructor(props) { @@ -152,28 +82,31 @@ class App extends Component { this.state = { connected: false, + // Data from server pixels: [], - selectedColor: [0, 0, 0] + saves: [], + // Local data + selectedColor: [0, 0, 0], + selectedTool: tools[0], + showingSave: false, + showingLoad: false, } + this._applyTool = this._applyTool.bind(this) + this._selectTool = this._selectTool.bind(this) this._connectWebsocket = this._connectWebsocket.bind(this) this._onMessage = this._onMessage.bind(this) this._onOpen = this._onOpen.bind(this) this._onClose = this._onClose.bind(this) this._onError = this._onError.bind(this) - - this.paintCell = this.paintCell.bind(this) + this._loadDrawing = this._loadDrawing.bind(this) + this._saveDrawing = this._saveDrawing.bind(this) this._connectWebsocket() } _onMessage({data}) { - let pixels = JSON.parse(data) - pixels.forEach(row => { - let rowNums = row.map((col) => col.some((it) => it > 0)) - console.log(...rowNums) - }); - + let state = JSON.parse(data) this.setState({ - pixels: pixels + ...state // Includes pixels and saves }) } @@ -200,24 +133,71 @@ class App extends Component { this._websocket.onerror = this._onError } - paintCell(x, y) { - let { r, g, b } = rgb(this.state.selectedColor) - setPixel(this._websocket, x, y, r, g, b) + _applyTool(x, y) { + let tool = this.state.selectedTool + if (!tool) { + return + } + let action = tool.action + if (!action) { + return + } + action.bind(this)(x, y) + } + + _selectTool(tool) { + let selectAction = tool.onSelect + if (selectAction) { + selectAction.bind(this)() + } else { + this.setState({selectedTool: tool}) + } + } + + _loadDrawing(name) { + load(this._websocket, name) + this.setState({showingLoad: false}) + } + + _saveDrawing(name) { + save(this._websocket, name) + this.setState({showingSave: false}) } render() { - let connectedText = this.state.connected ? "Connected" : "Not connected" return (
-
- {connectedText} -
+ + + onTool={this._applyTool}/> this.setState({selectedColor: color})} /> + +
+ { + this.state.showingLoad + && this._loadDrawing(drawing)} + onClose={() => this.setState({showingLoad: false})}/> + } +
+
+ { + this.state.showingSave + && this._saveDrawing(name)} + onClose={() => this.setState({showingSave: false})}/> + } +
+
); } diff --git a/src/App.test.js b/src/App.test.js deleted file mode 100644 index a754b20..0000000 --- a/src/App.test.js +++ /dev/null @@ -1,9 +0,0 @@ -import React from 'react'; -import ReactDOM from 'react-dom'; -import App from './App'; - -it('renders without crashing', () => { - const div = document.createElement('div'); - ReactDOM.render(, div); - ReactDOM.unmountComponentAtNode(div); -}); diff --git a/src/ColorIndicator.js b/src/ColorIndicator.js new file mode 100644 index 0000000..e84a661 --- /dev/null +++ b/src/ColorIndicator.js @@ -0,0 +1,30 @@ +import React, { Component } from 'react' +import { rgb } from './Utils' + +function toHex(n) { + var s = Number(n).toString(16) + if (s.length === 1) { + s = "0" + s + } + return s +} + +export default class ColorIndicator extends Component { + render() { + let { r, g, b } = rgb(this.props.color) + let colorDesc = `#${toHex(r)}${toHex(g)}${toHex(b)}` + var foreground = "black" + if (r < 133 && g < 133 && b < 133) { + foreground = "white" + } + + return
+ {colorDesc} +
+ } +} \ No newline at end of file diff --git a/src/ConnectedIndicator.js b/src/ConnectedIndicator.js new file mode 100644 index 0000000..d4e1686 --- /dev/null +++ b/src/ConnectedIndicator.js @@ -0,0 +1,11 @@ +import React, { Component } from 'react' + +export default class ConnectedIndicator extends Component { + render() { + let connectedText = this.props.connected ? "Connected" : "Not connected" + let color = this.props.connected ? "green" : "red" + return
{connectedText}
+ } +} \ No newline at end of file diff --git a/src/LoadDialog.js b/src/LoadDialog.js new file mode 100644 index 0000000..8f4d20b --- /dev/null +++ b/src/LoadDialog.js @@ -0,0 +1,21 @@ +import React, { Component } from 'react' +import { ModalContainer, ModalDialog } from 'react-modal-dialog' + +export default class LoadDialog extends Component { + render() { + let savesListItems = this.props.saves.map((save) => { + return this.props.onLoad(save)}> +
  • {save}
    • +     + }) + + return + +

    Load

    +
      + {savesListItems} +
    +     +     + } +} \ No newline at end of file diff --git a/src/PaintArea.js b/src/PaintArea.js new file mode 100644 index 0000000..1ffec83 --- /dev/null +++ b/src/PaintArea.js @@ -0,0 +1,74 @@ +import React, { Component } from 'react' + +/** + * Expects props: + * onTool = (x, y) => {} + * Callback for when a cell is clicked + * + * data = [[]] + * 3d array - rows, cells, RGB value for each cell + */ +export default class PaintArea extends Component { + constructor(props) { + super(props) + this.handleMouseMove = this.handleMouseMove.bind(this) + this._onMouseDown = this._onMouseDown.bind(this) + this._onMouseUp = this._onMouseUp.bind(this) + this.state = { + mouseDown: false + } + } + + _onMouseDown() { + this.setState({ mouseDown: true }) + } + + _onMouseUp() { + this.setState({ mouseDown: false }) + } + + componentWillMount() { + document.addEventListener('mousedown', this._onMouseDown) + document.addEventListener('mouseup', this._onMouseUp) + } + + componentWillUnmount() { + document.removeEventListener('mousedown', this._onMouseDown) + document.removeEventListener('mouseup', this._onMouseUp) + } + + handleMouseMove(x, y) { + if (this.state.mouseDown) { + this.props.onTool(x, y) + } + } + + render() { + let cells = this.props.data.map((row, iy) => { + let rowCells = row.map((cell, ix) => { + let r = cell[0] + let g = cell[1] + let b = cell[2] + return this.handleMouseMove(ix, iy)} + onClick={() => this.props.onTool(ix, iy)} + className="paintareacell" + style={{ + background: `rgb(${r},${g},${b})` + }} + key={(ix * 100000) + iy}/> + }) + return {rowCells} + }) + + return ( + + + {cells} + +
    + ) + } +} \ No newline at end of file diff --git a/src/Palette.js b/src/Palette.js new file mode 100644 index 0000000..ad0ad46 --- /dev/null +++ b/src/Palette.js @@ -0,0 +1,44 @@ +import React, {Component} from 'react' +import { rgb } from './Utils.js' + +const colorPalette = [ + [0,0,0], + [132,0,0], + [0,132,0], + [132,132,0], + [0,0,132], + [132,0,132], + [0,132,132], + [132,132,132], + [198,198,198], + [255,0,0], + [0,255,0], + [255,255,0], + [0,0,255], + [255,0,255], + [0,255,255], + [255,255,255], + ] + + + export default class Palette extends Component { + render() { + let paletteListItems = colorPalette.map((item) => { + var className = "paletteitem" + let { r, g, b } = rgb(item) + let selected = rgb(this.props.selectedColor) + if (r === selected.r && g === selected.g && b === selected.b) { + className += " selected" + } + return
    this.props.onSelectColor([r, g, b])} + style={{background: `rgb(${r},${g},${b})`}} + className={className} + key={r*10000+g*1000+b}/> + }) + return ( +
    + {paletteListItems} +
    ) + } + } \ No newline at end of file diff --git a/src/SaveDialog.js b/src/SaveDialog.js new file mode 100644 index 0000000..d1a80fd --- /dev/null +++ b/src/SaveDialog.js @@ -0,0 +1,28 @@ +import React, { Component } from 'react' +import { ModalContainer, ModalDialog } from 'react-modal-dialog' + +export default class SaveDialog extends Component { + constructor(props) { + super(props) + this.state = { + name: "" + } + } + + render() { + return + +

    Save

    +
    { + this.props.onSave(this.state.name) + event.preventDefault()}}> + this.setState({name: event.target.value})}/> + +
    +     +     + } +} diff --git a/src/Toolkit.js b/src/Toolkit.js new file mode 100644 index 0000000..35d8759 --- /dev/null +++ b/src/Toolkit.js @@ -0,0 +1,31 @@ +import React, { Component } from 'react' +import './fontawesome-all.min.js' + +class ToolKitItem extends Component { + render() { + let iconClass = this.props.tool.icon + " fa-2x" + var divClass = "toolkititem" + if (this.props.selected) { + divClass += " selected" + } + return
    this.props.onSelectTool(this.props.tool)}> + +
    + } +} + +export default class Toolkit extends Component { + render() { + let toolComponents = this.props.tools.map((tool) => { + return + }) + return
    + {toolComponents} +
    + } +} diff --git a/src/Utils.js b/src/Utils.js new file mode 100644 index 0000000..f7bba5c --- /dev/null +++ b/src/Utils.js @@ -0,0 +1,103 @@ +/** + * Converts RGB array to named object + * @param {[]} item, a length 3 array containing 8 bit RGB value + */ +function rgb(item) { + return { + r: item[0], + g: item[1], + b: item[2] + } +} + +/** + * Converts XY array to named object + * @param {[]} item, a 2 length array containing x and y values + */ +function xy(item) { + return { + x: item[0], + y: item[1] + } +} + +function colorEqual(item1, item2) { + if (!item1 || !item2) { + return false + } + if (Array.isArray(item1)) { + item1 = rgb(item1) + } + if (Array.isArray(item2)) { + item2 = rgb(item2) + } + return item1.r === item2.r + && item1.g === item2.g + && item1.b === item2.b +} + +function coordsEqual(item1, item2) { + if (!item1 || !item2) { + return false + } + + if (Array.isArray(item1)) { + item1 = xy(item1) + } + if (Array.isArray(item2)) { + item2 = xy(item2) + } + return item1.x === item2.x + && item1.y === item2.y +} + +function getPixel(x, y, pixels) { + let row = pixels[y] + if (!row) { + return + } + return row[x] +} + +function findContiguousPixels(x, y, pixels, targetColor = getPixel(x, y, pixels), contiguousPixels=[[x, y]]) { + let adjescent = [ + [x-1, y], + [x+1, y], + [x, y-1], + [x, y+1] + ] + + adjescent.forEach((coord) => { + let px = xy(coord) + let pxCol = getPixel(px.x, px.y, pixels) + if (!pxCol) { + return + } + + // add adjescents uniquely if they are the target color + let ix = contiguousPixels.findIndex((existingCoord) => coordsEqual(coord, existingCoord)) + if (ix !== -1) { + return + } + + if (!colorEqual(pxCol, targetColor)) { + return + } + contiguousPixels.push(coord) + let morePixels = findContiguousPixels(px.x, px.y, pixels, targetColor, contiguousPixels) + contiguousPixels.concat(morePixels) + }) + + return contiguousPixels +} + + +export { + xy, + rgb, + colorEqual, + coordsEqual, + findContiguousPixels, + getPixel +} + diff --git a/src/Utils.test.js b/src/Utils.test.js new file mode 100644 index 0000000..6c9161b --- /dev/null +++ b/src/Utils.test.js @@ -0,0 +1,81 @@ +import { colorEqual, coordsEqual, xy, rgb, findContiguousPixels } from './Utils' + +test('test colorEqual function', () => { + expect(colorEqual([0, 0, 0], [0, 0, 0])) + .toBe(true) + expect(colorEqual([1, 0, 0], [0, 0, 0])) + .toBe(false) + expect(colorEqual([0, 1, 0], [0, 0, 0])) + .toBe(false) + expect(colorEqual([0, 0, 1], [0, 0, 0])) + .toBe(false) + + expect(colorEqual([0, 0, 1], {r: 0, g: 0, b: 1})) + .toBe(true) + expect(colorEqual({r: 0, g: 0, b: 1}, [0, 0, 1])) + .toBe(true) + + expect(colorEqual({r: 0, g: 0, b: 0}, [0, 0, 1])) + .toBe(false) + expect(colorEqual([0, 0, 1], {r: 0, g: 0, b: 0})) + .toBe(false) + + expect(colorEqual(undefined, {r: 0, g: 0, b: 0})) + .toBe(false) + expect(colorEqual({r: 0, g: 0, b: 0}, undefined)) + .toBe(false) +}) + +test('coordEqual function', () => { + expect(coordsEqual([0, 0], [0, 0])) + .toBe(true) + expect(coordsEqual([0, 1], [0, 0])) + .toBe(false) + expect(coordsEqual([1, 0], [0, 0])) + .toBe(false) + + expect(coordsEqual([1, 0], [0, 0])) + .toBe(false) + + expect(coordsEqual(undefined, [0, 0])) + .toBe(false) + expect(coordsEqual([0, 0], undefined)) + .toBe(false) +}) + +test('contiguousPixels', () => { + let allBlack = [ + [[0, 0, 0], [0, 0, 0], [0, 0, 0], [0, 0, 0]], + [[0, 0, 0], [0, 0, 0], [0, 0, 0], [0, 0, 0]], + [[0, 0, 0], [0, 0, 0], [0, 0, 0], [0, 0, 0]], + [[0, 0, 0], [0, 0, 0], [0, 0, 0], [0, 0, 0]] + ] + + let contiguousPx = findContiguousPixels(0, 0, allBlack) + expect(contiguousPx.length) + .toBe(16) + + expect(findContiguousPixels(0, 0, [ + [[0, 0, 0], [0, 0, 1], [0, 0, 0], [0, 0, 0]], + [[0, 0, 1], [0, 0, 1], [0, 0, 0], [0, 0, 0]], + [[0, 0, 0], [0, 0, 0], [0, 0, 0], [0, 0, 0]], + [[0, 0, 0], [0, 0, 0], [0, 0, 0], [0, 0, 0]] + ]).length) + .toBe(1) + + expect(findContiguousPixels(1, 1, [ + [[0, 0, 0], [0, 0, 0], [0, 0, 0], [0, 0, 0]], + [[0, 0, 0], [0, 0, 1], [0, 0, 1], [0, 0, 0]], + [[0, 0, 0], [0, 0, 1], [0, 0, 1], [0, 0, 0]], + [[0, 0, 0], [0, 0, 0], [0, 0, 0], [0, 0, 0]] + ]).length) + .toBe(4) + + expect(findContiguousPixels(1, 1, [ + [[0, 0, 1], [0, 0, 1], [0, 0, 1], [0, 0, 1]], + [[0, 0, 1], [0, 0, 0], [0, 0, 0], [0, 0, 1]], + [[0, 0, 1], [0, 0, 0], [0, 0, 0], [0, 0, 1]], + [[0, 0, 1], [0, 0, 1], [0, 0, 1], [0, 0, 1]] + ]).length) + .toBe(4) +}) \ No newline at end of file diff --git a/src/fontawesome-all.min.js b/src/fontawesome-all.min.js new file mode 100644 index 0000000..a382743 --- /dev/null +++ b/src/fontawesome-all.min.js @@ -0,0 +1,5 @@ +/*! + * Font Awesome Free 5.0.13 by @fontawesome - https://fontawesome.com + * License - https://fontawesome.com/license (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) + */ +!function(){"use strict";var c={};try{"undefined"!=typeof window&&(c=window)}catch(c){}var l=(c.navigator||{}).userAgent,h=void 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