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index.js
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index.js
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/* eslint-disable */
import React, { createContext, createRef, Component, useContext, useState, useEffect } from 'react';
import { Image, Group, Stage, Layer, Rect } from 'react-konva';
import useImage from 'use-image';
import { TwitterPicker, AlphaPicker } from 'react-color';
/*! *****************************************************************************
Copyright (c) Microsoft Corporation. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use
this file except in compliance with the License. You may obtain a copy of the
License at http://www.apache.org/licenses/LICENSE-2.0
THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
MERCHANTABLITY OR NON-INFRINGEMENT.
See the Apache Version 2.0 License for specific language governing permissions
and limitations under the License.
***************************************************************************** */
/* global Reflect, Promise */
var extendStatics = function(d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
function __extends(d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
}
var __assign = function() {
__assign = Object.assign || function __assign(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
function __spreadArrays() {
for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;
for (var r = Array(s), k = 0, i = 0; i < il; i++)
for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)
r[k] = a[j];
return r;
}
var DEFAULT_BACKGROUNDS_PALETTE = [
'#FF6900',
'#FCB900',
'#7BDCB5',
'#00D084',
'#8ED1FC',
'#0693E3',
'#ABB8C3',
'#EB144C',
'#F78DA7',
'#9900EF',
'#000000'
];
var initialState = {
icons: [],
backgrounds: DEFAULT_BACKGROUNDS_PALETTE
};
// TODO: Create AppContext interface
var AppContext = createContext(initialState);
var getRGBAString = function (color) {
var r = color.r, g = color.g, b = color.b, _a = color.a, a = _a === void 0 ? 1 : _a;
return "rgba(" + r + "," + g + "," + b + "," + a + ")";
};
// TODO: Add SSR Support
var downloadURI = function (uri, name) {
try {
var link = document.createElement('a');
link.download = name;
link.href = uri;
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
}
catch (err) {
throw new Error('React-background-pattern-generator: We cannot support SSR yet');
}
};
var handleCursorOverIcon = function () {
document.body.style.cursor = 'move';
};
var handleCursorOutIcon = function () {
document.body.style.cursor = 'default';
};
var App = /** @class */ (function (_super) {
__extends(App, _super);
function App() {
var _this = _super !== null && _super.apply(this, arguments) || this;
_this.state = {
patternIcons: [],
selectedBackground: 'green',
imageSize: _this.props.imageSize || 55
};
_this.canvasRef = createRef();
_this.addPatternIcon = function (icon) {
_this.setState(function (state) { return (__assign(__assign({}, state), { patternIcons: __spreadArrays(state.patternIcons, [icon]) })); });
};
_this.changeBackground = function (background) {
var rgb = background.rgb;
_this.setState({ selectedBackground: getRGBAString(rgb) });
};
_this.changeImageSize = function (value) {
_this.setState(function (state) { return (__assign(__assign({}, state), { imageSize: value })); });
};
return _this;
}
App.prototype.render = function () {
var _a = this.props, onDownload = _a.onDownload, icons = _a.icons, backgrounds = _a.backgrounds, imageOffset = _a.imageOffset, children = _a.children;
return (React.createElement(AppContext.Provider, { value: {
state: this.state,
icons: icons,
backgrounds: backgrounds,
imageOffset: imageOffset,
canvasRef: this.canvasRef,
handlers: {
addPatternIcon: this.addPatternIcon,
changeBackground: this.changeBackground,
changeImageSize: this.changeImageSize,
},
callbacks: {
onDownload: onDownload
}
} },
React.createElement("div", { className: "pb__wrapper" }, children)));
};
return App;
}(Component));
var Img = function (props) {
var image = useImage(props.link, 'Anonymous')[0];
return (React.createElement(Image, __assign({}, props, { image: image })));
};
var PatternGroup = function (_a) {
var image = _a.image, index = _a.index, imageSize = _a.imageSize, imageOffset = _a.imageOffset;
var elementsInGrid = 20;
var imagesAmount = 150;
var getImagePosition = function (index) {
return {
x: index % elementsInGrid * imageOffset,
y: Math.floor(index / elementsInGrid) * imageOffset
};
};
var getImagesGrid = function () {
var arr = [];
for (var i = 0, l = imagesAmount; i < l; i++) {
var _a = getImagePosition(i), x = _a.x, y = _a.y;
arr.push(React.createElement(Img, { width: imageSize, height: imageSize, onMouseOver: handleCursorOverIcon, onMouseOut: handleCursorOutIcon, x: x, y: y, link: image }));
}
return arr;
};
var imagesGrid = getImagesGrid();
return (React.createElement(Group, { y: index * imageSize, draggable: true }, imagesGrid));
};
var Canvas = function () {
var _a = useContext(AppContext), _b = _a.state, selectedBackground = _b.selectedBackground, patternIcons = _b.patternIcons, imageSize = _b.imageSize, imageOffset = _a.imageOffset, canvasRef = _a.canvasRef;
var _c = useState({
canvasWidth: 0,
canvasHeight: 0,
}), canvasSizes = _c[0], setCanvasSizes = _c[1];
var canvasWidth = canvasSizes.canvasWidth, canvasHeight = canvasSizes.canvasHeight;
useEffect(function () {
// TODO: Get sizes with another algorithm
var canvasWrapper = canvasRef.current.content.parentNode.parentNode;
var canvasWidth = canvasWrapper.offsetWidth;
var canvasHeight = canvasWrapper.offsetHeight;
setCanvasSizes({
canvasWidth: canvasWidth,
canvasHeight: canvasHeight,
});
}, [canvasRef]);
return (React.createElement(Stage, { ref: canvasRef, width: canvasWidth, height: canvasHeight },
React.createElement(Layer, null,
React.createElement(Rect, { width: canvasWidth, height: canvasHeight, fill: selectedBackground }),
patternIcons.map(function (item, index) { return React.createElement(PatternGroup, { imageSize: imageSize, imageOffset: imageOffset || imageSize, image: item, key: index, index: index }); }))));
};
var IconsList = function (_a) {
var icons = _a.icons, onIconClick = _a.onIconClick;
return (React.createElement("ul", { className: "pb__icons-list" }, icons.map(function (icon, index) {
var handleClick = function () {
onIconClick(icon);
};
return (React.createElement("li", { key: icon, className: "pb__icons-item" },
React.createElement("img", { className: "pb__icons-image", onClick: handleClick, src: icon, alt: "icon-" + index })));
})));
};
var BackgroundPicker = function (_a) {
var backgrounds = _a.backgrounds, onChange = _a.onChange, selectedBackground = _a.selectedBackground;
return (React.createElement("div", { className: "pb__backgrounds" },
React.createElement(TwitterPicker, { color: selectedBackground, colors: backgrounds, onChangeComplete: onChange }),
React.createElement(AlphaPicker, { onChange: onChange, color: selectedBackground })));
};
var Export = function (_a) {
var canvasRef = _a.canvasRef, onDownload = _a.onDownload, canvasSize = _a.canvasSize;
var canvas = canvasRef.current;
var _b = useState(__assign({}, canvasSize)), imageSize = _b[0], setImageSize = _b[1];
var width = imageSize.width, height = imageSize.height;
useEffect(function () {
setImageSize(__assign({}, canvasSize));
}, [canvasSize]);
var downloadImage = function () {
var dataURL = canvas.getStage().toDataURL({
x: 0,
y: 0,
width: width,
height: height
});
if (onDownload) {
onDownload(dataURL);
}
else {
downloadURI(dataURL, 'pattern.png');
}
};
var handleSizeChange = function (_a) {
var _b;
var _c = _a.target, name = _c.name, value = _c.value;
setImageSize(__assign(__assign({}, imageSize), (_b = {}, _b[name] = Number(value), _b)));
};
return (React.createElement("div", { className: "pb__export" },
React.createElement("input", { type: "number", value: width, name: "width", onChange: handleSizeChange }),
React.createElement("input", { type: "number", name: "height", value: height, onChange: handleSizeChange }),
React.createElement("button", { type: "button", onClick: downloadImage }, "Download")));
};
var ImagesSize = function (_a) {
var imageSize = _a.imageSize, changeImageSize = _a.changeImageSize;
var setValueHandler = function (e) {
changeImageSize(Number(e.target.value));
};
return (React.createElement("div", null,
React.createElement("input", { value: imageSize, onChange: setValueHandler, type: "number" })));
};
var Controls = function () {
var _a = useState({
width: 0,
height: 0,
}), canvasSize = _a[0], setCanvasSize = _a[1];
var _b = React.useContext(AppContext), _c = _b.state, selectedBackground = _c.selectedBackground, imageSize = _c.imageSize, icons = _b.icons, backgrounds = _b.backgrounds, canvasRef = _b.canvasRef, onDownload = _b.callbacks.onDownload, _d = _b.handlers, addPatternIcon = _d.addPatternIcon, changeBackground = _d.changeBackground, changeImageSize = _d.changeImageSize;
// TODO: Make normal canvasRef interface
var handleCanvasResize = function (canvasRef) {
setTimeout(function () {
var _a = canvasRef.current.attrs, width = _a.width, height = _a.height;
setCanvasSize({
width: width,
height: height
});
}, 0);
};
useEffect(function () {
handleCanvasResize(canvasRef);
}, [canvasRef]);
return (React.createElement("div", { className: "pb__controls" },
React.createElement(IconsList, { onIconClick: addPatternIcon, icons: icons }),
React.createElement(BackgroundPicker, { selectedBackground: selectedBackground, onChange: changeBackground, backgrounds: backgrounds }),
canvasRef && React.createElement(Export, { canvasSize: canvasSize, canvasRef: canvasRef, onDownload: onDownload }),
React.createElement(ImagesSize, { imageSize: imageSize, changeImageSize: changeImageSize })));
};
export { App as BackgroundPatternGenerator, Canvas, Controls };