render: cropper & download image

package-lock.json

@@ -3630,6 +3630,11 @@
         "sha.js": "^2.4.8"
       }
     },
+    "croppr": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/croppr/-/croppr-2.3.1.tgz",
+      "integrity": "sha512-0rvTl4VmR3I4AahjJPF1u9IlT7ckvjIcgaLnUjYaY+UZsP9oxlVYZWYDuqM3SVCQiaI7DXMjR7wOEYT+mydOFg=="
+    },
     "cross-spawn": {
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-5.1.0.tgz",
@@ -5234,6 +5239,11 @@
         "schema-utils": "^0.4.5"
       }
     },
+    "file-saver": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/file-saver/-/file-saver-2.0.0.tgz",
+      "integrity": "sha512-cYM1ic5DAkg25pHKgi5f10ziAM7RJU37gaH1XQlyNDrtUnzhC/dfoV9zf2OmF0RMKi42jG5B0JWBnPQqyj/G6g=="
+    },
     "filename-regex": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/filename-regex/-/filename-regex-2.0.1.tgz",

package.json

@@ -50,6 +50,8 @@
     "babel-runtime": "^6.26.0",
     "classnames": "^2.2.6",
     "clean-webpack-plugin": "^0.1.9",
+    "croppr": "^2.3.1",
+    "file-saver": "^2.0.0",
     "history": "^4.7.2",
     "leaflet": "^1.3.4",
     "leaflet-editable": "^1.1.0",

src/components/panels/EditorPanel.jsx

@@ -9,10 +9,8 @@ import { EditorDialog } from '$components/panels/EditorDialog';
 import { LogoPreview } from '$components/logo/LogoPreview';
 import { bindActionCreators } from 'redux';
 import { connect } from 'react-redux';
-import { setMode, startEditing, stopEditing, setLogo, showRenderer } from '$redux/user/actions';
+import { setMode, startEditing, stopEditing, setLogo, takeAShot } from '$redux/user/actions';
 import type { UserType } from '$constants/types';
-import { editor } from '$modules/Editor';
-import { getTilePlacement } from '$utils/renderer';
 
 type Props = {
   user: UserType,
@@ -31,7 +29,7 @@ type Props = {
   startEditing: Function,
   stopEditing: Function,
   setLogo: Function,
-  showRenderer: Function,
+  takeAShot: Function,
 }
 
 class Component extends React.PureComponent<Props, void> {
@@ -39,8 +37,6 @@ class Component extends React.PureComponent<Props, void> {
     const obj = document.getElementById('control-dialog');
     const { width } = this.panel.getBoundingClientRect();
 
-    console.log(obj, this.panel);
-
     if (!this.panel || !obj) return;
 
     obj.style.width = width;
@@ -109,7 +105,7 @@ class Component extends React.PureComponent<Props, void> {
 
             <button
               className={classnames('disabled', { active: mode === MODES.SHOTTER })}
-              onClick={this.props.showRenderer}
+              onClick={this.props.takeAShot}
               // onClick={getTilePlacement}
             >
               <Icon icon="icon-shot-3" />
@@ -221,7 +217,7 @@ const mapDispatchToProps = dispatch => bindActionCreators({
   setLogo,
   startEditing,
   stopEditing,
-  showRenderer,
+  takeAShot,
 }, dispatch);
 
 export const EditorPanel = connect(

src/components/renderer/Renderer.jsx

@@ -1,30 +1,148 @@
 import React from 'react';
-import { getPolyPlacement, getTilePlacement, composeImages, composePoly, fetchImages } from '$utils/renderer';
 
-export class Renderer extends React.Component {
-  componentDidMount() {
-    if (this.canvas) this.init();
+import { hideRenderer, cropAShot } from '$redux/user/actions';
+import { bindActionCreators } from 'redux';
+import { connect } from 'react-redux';
+import Croppr from 'croppr';
+import 'croppr/dist/croppr.css';
+import { Icon } from '$components/panels/Icon';
+import { LOGOS } from '$constants/logos';
+
+type Props = {
+  data: String,
+  logo: String,
+  hideRenderer: Function,
+  cropAShot: Function,
+};
+
+type State = {
+
+};
+
+class Component extends React.Component<Props, State> {
+  onImageLoaded = () => {
+    this.croppr = new Croppr(this.image, {
+      onCropMove: this.moveLogo,
+      onInitialize: this.onCropInit,
+    });
+  };
+
+  componentWillUnmount() {
+    this.croppr.destroy();
   }
 
-  init() {
-    const ctx = this.canvas.getContext('2d');
-    const geometry = getTilePlacement();
-    const points = getPolyPlacement();
-    ctx.clearRect(0, 0, this.canvas.width, this.canvas.height);
+  onCropInit = (crop) => {
 
-    fetchImages(ctx, geometry)
-      .then(images => composeImages({ geometry, images, ctx }))
-      .then(() => composePoly({ points, ctx }))
-      .then(() => this.canvas.toDataURL('image/jpeg'));
-    // .then(image => window.open().document.write(`<img src="${image}" />`))
-  }
+
+    const { regionEl, box } = crop;
+    const scale = ((box.x2 - box.x1) / window.innerWidth);
+
+    console.log('CROP', crop, scale);
+
+    this.logo = document.createElement('div');
+    this.logo.className = 'renderer-logo';
+    this.logo.style.transform = `scale(${scale})`;
+
+    this.logoImg = document.createElement('img');
+    this.logoImg.src = LOGOS[this.props.logo][1];
+
+    this.logo.append(this.logoImg);
+    regionEl.append(this.logo);
+  };
+
+  moveLogo = ({ x, y, width, height }) => {
+    if (!this.logo) return;
+
+    this.logo.style.color = 'blue';
+  };
+
+  croppr;
+
+  getImage = () => {
+    this.props.cropAShot(this.croppr.getValue());
+  };
 
   render() {
+    const { data } = this.props;
+    const { innerWidth, innerHeight } = window;
+    const padding = 30;
+    const paddingBottom = 80;
+
+    let width;
+    let height;
+
+    // if (innerWidth > innerHeight) {
+    height = innerHeight - padding - paddingBottom;
+    width = height * (innerWidth / innerHeight);
+    // }
+
     return (
-      <div className="renderer-shade" onClick={this.props.onClick}>
-        <canvas width={window.innerWidth} height={window.innerHeight} ref={el => { this.canvas = el; }} />
+      <div>
+        <div
+          className="renderer-shade"
+          style={{
+            padding,
+            paddingBottom,
+          }}
+        >
+          <div
+            style={{ width, height }}
+          >
+            <img
+              src={data}
+              alt=""
+              id="rendererOutput"
+              ref={el => { this.image = el; }}
+              onLoad={this.onImageLoaded}
+            />
+          </div>
+        </div>
+
+        <div
+          className="panel active"
+          style={{
+            zIndex: 1000,
+            left: '50%',
+            right: 'auto',
+            transform: 'translateX(-50%)',
+          }}
+        >
+          <div className="control-bar control-bar-padded">
+            <button>
+              <Icon icon="icon-logo-3" />
+            </button>
+          </div>
+
+          <div className="control-sep" />
+
+          <div className="control-bar">
+            <button
+              className="highlighted cancel"
+              onClick={this.props.hideRenderer}
+            >
+              <Icon icon="icon-cancel-1" />
+            </button>
+
+            <button
+              className="success"
+              onClick={this.getImage}
+            >
+              <span>СКАЧАТЬ</span>
+              <Icon icon="icon-get-1" />
+            </button>
+          </div>
+        </div>
       </div>
     );
   }
 }
 
+
+const mapStateToProps = state => ({ ...state.user.renderer, logo: state.user.logo });
+
+const mapDispatchToProps = dispatch => bindActionCreators({
+  hideRenderer,
+  cropAShot,
+}, dispatch);
+
+export const Renderer = connect(mapStateToProps, mapDispatchToProps)(Component);

src/index.html

@@ -26,9 +26,16 @@
       padding: 0;
       margin: 0;
     }
+
+    canvas#renderer {
+      position: fixed;
+      left: 0;
+      top: 0;
+    }
   </style>
 </head>
 <body>
+  <canvas id="renderer"></canvas>
   <section id="map" style="position: absolute; width: 100%; height: 100%;"></section>
   <section id="loader"></section>
   <section id="index"></section>

src/index.js

@@ -1,11 +1,14 @@
 /*
+  todo shot mechanism (50%)
+    done client-side shot mechanism
+    todo croppr.js
+    todo shot stickers
+
   todo hotkeys via sagas
-  todo shot mechanism
-  todo crop mechanism
   todo map catalogue
+  todo map preview on save
   todo tooltips
 
-  todo client-side shot mechanism
  */
 import React from 'react';
 import ReactDOM from 'react-dom';

src/redux/user/actions.js

@@ -34,3 +34,7 @@ export const setSaveOverwrite = () => ({ type: ACTIONS.SET_SAVE_OVERWRITE });
 
 export const showRenderer = () => ({ type: ACTIONS.SHOW_RENDERER });
 export const hideRenderer = () => ({ type: ACTIONS.HIDE_RENDERER });
+export const setRenderer = payload => ({ type: ACTIONS.SET_RENDERER, payload });
+export const takeAShot = () => ({ type: ACTIONS.TAKE_A_SHOT });
+export const cropAShot = payload => ({ type: ACTIONS.CROP_A_SHOT, ...payload });
+

src/redux/user/constants.js

@@ -33,4 +33,7 @@ export const ACTIONS = {
 
   SHOW_RENDERER: 'SHOW_RENDERER',
   HIDE_RENDERER: 'HIDE_RENDERER',
+  SET_RENDERER: 'SET_RENDERER',
+  TAKE_A_SHOT: 'TAKE_A_SHOT',
+  CROP_A_SHOT: 'CROP_A_SHOT',
 };

src/redux/user/reducer.js

@@ -65,6 +65,11 @@ const hideRenderer = state => ({
   renderer: { ...state.renderer, renderer_active: false }
 });
 
+const setRenderer = (state, { payload }) => ({
+  ...state,
+  renderer: { ...state.renderer, ...payload }
+});
+
 const HANDLERS = {
   [ACTIONS.SET_USER]: setUser,
   [ACTIONS.SET_EDITING]: setEditing,
@@ -85,6 +90,7 @@ const HANDLERS = {
 
   [ACTIONS.SHOW_RENDERER]: showRenderer,
   [ACTIONS.HIDE_RENDERER]: hideRenderer,
+  [ACTIONS.SET_RENDERER]: setRenderer,
 };
 
 export const INITIAL_STATE = {

src/redux/user/sagas.js

@@ -3,10 +3,11 @@ import { delay } from 'redux-saga';
 import { takeLatest, select, call, put, takeEvery, race, take } from 'redux-saga/effects';
 import { checkUserToken, getGuestToken, getStoredMap, postMap } from '$utils/api';
 import {
+  hideRenderer,
   setActiveSticker, setAddress,
   setChanged,
   setEditing,
-  setMode,
+  setMode, setRenderer,
   setSaveError,
   setSaveOverwrite, setSaveSuccess, setTitle,
   setUser
@@ -17,6 +18,15 @@ import { ACTIONS } from '$redux/user/constants';
 import { MODES } from '$constants/modes';
 import { DEFAULT_USER } from '$constants/auth';
 import { TIPS } from '$constants/tips';
+import {
+  composeImages,
+  composePoly, downloadCanvas,
+  fetchImages,
+  getPolyPlacement,
+  getTilePlacement,
+  imageFetcher
+} from '$utils/renderer';
+import { LOGOS } from '$constants/logos';
 
 const getUser = state => (state.user.user);
 const getState = state => (state.user);
@@ -217,6 +227,61 @@ function* setSaveSuccessSaga({ address, title }) {
   return yield editor.setInitialData();
 }
 
+function* getRenderData() {
+  const canvas = document.getElementById('renderer');
+  canvas.width = window.innerWidth;
+  canvas.height = window.innerHeight;
+  const ctx = canvas.getContext('2d');
+
+  const geometry = getTilePlacement();
+  const points = getPolyPlacement();
+  ctx.clearRect(0, 0, canvas.width, canvas.height);
+
+  const images = yield fetchImages(ctx, geometry);
+  yield composeImages({ geometry, images, ctx });
+  yield composePoly({ points, ctx });
+
+  return yield canvas.toDataURL('image/jpeg');
+}
+
+function* takeAShotSaga() {
+  const data = yield call(getRenderData);
+
+  yield put(setRenderer({
+    data, renderer_active: true, width: window.innerWidth, height: window.innerHeight
+  }));
+
+  return true;
+}
+
+
+function* getCropData({
+  x, y, width, height
+}) {
+  const { logo, renderer: { data } } = yield select(getState);
+  const canvas = document.getElementById('renderer');
+  canvas.width = width;
+  canvas.height = height;
+  const ctx = canvas.getContext('2d');
+  const image = yield imageFetcher(data);
+  const logoImage = yield imageFetcher(LOGOS[logo][1]);
+
+  ctx.drawImage(image, -x, -y);
+  ctx.drawImage(logoImage, width - logoImage.width, height - logoImage.height);
+
+  return yield canvas.toDataURL('image/jpeg');
+}
+
+function* cropAShotSaga(params) {
+  const { title, address } = yield select(getState);
+  yield call(getCropData, params);
+  const canvas = document.getElementById('renderer');
+
+  downloadCanvas(canvas, (title || address));
+
+  return yield put(hideRenderer());
+}
+
 export function* userSaga() {
   // ASYNCHRONOUS!!! :-)
 
@@ -241,4 +306,6 @@ export function* userSaga() {
 
   yield takeLatest(ACTIONS.SEND_SAVE_REQUEST, sendSaveRequestSaga);
   yield takeLatest(ACTIONS.SET_SAVE_SUCCESS, setSaveSuccessSaga);
+  yield takeLatest(ACTIONS.TAKE_A_SHOT, takeAShotSaga);
+  yield takeLatest(ACTIONS.CROP_A_SHOT, cropAShotSaga);
 }

src/sprites/icon.svg

@@ -293,8 +293,14 @@
 
                 <path xmlns="http://www.w3.org/2000/svg" d="M23 8c0 1.1-.9 2-2 2-.18 0-.35-.02-.51-.07l-3.56 3.55c.05.16.07.34.07.52 0 1.1-.9 2-2 2s-2-.9-2-2c0-.18.02-.36.07-.52l-2.55-2.55c-.16.05-.34.07-.52.07s-.36-.02-.52-.07l-4.55 4.56c.05.16.07.33.07.51 0 1.1-.9 2-2 2s-2-.9-2-2 .9-2 2-2c.18 0 .35.02.51.07l4.56-4.55C8.02 9.36 8 9.18 8 9c0-1.1.9-2 2-2s2 .9 2 2c0 .18-.02.36-.07.52l2.55 2.55c.16-.05.34-.07.52-.07s.36.02.52.07l3.55-3.56C19.02 8.35 19 8.18 19 8c0-1.1.9-2 2-2s2 .9 2 2zm0 0c0 1.1-.9 2-2 2-.18 0-.35-.02-.51-.07l-3.56 3.55c.05.16.07.34.07.52 0 1.1-.9 2-2 2s-2-.9-2-2c0-.18.02-.36.07-.52l-2.55-2.55c-.16.05-.34.07-.52.07s-.36-.02-.52-.07l-4.55 4.56c.05.16.07.33.07.51 0 1.1-.9 2-2 2s-2-.9-2-2 .9-2 2-2c.18 0 .35.02.51.07l4.56-4.55C8.02 9.36 8 9.18 8 9c0-1.1.9-2 2-2s2 .9 2 2c0 .18-.02.36-.07.52l2.55 2.55c.16-.05.34-.07.52-.07s.36.02.52.07l3.55-3.56C19.02 8.35 19 8.18 19 8c0-1.1.9-2 2-2s2 .9 2 2z" fill="white" stroke="white" stroke-width="1" transform="translate(4 4)"/>
             </g>
+
+            <g id="icon-get-1" stroke="none">
+                <path stroke-opacity=".941" stroke-width=".265" d="M0 0h32v32H0z" fill="black"/>
+
+                <path xmlns="http://www.w3.org/2000/svg" d="M20 12l-1.41-1.41L13 16.17V4h-2v12.17l-5.58-5.59L4 12l8 8 8-8z" fill="white" stroke="white" stroke-width="1" transform="translate(4 4)"/>
+            </g>
         </svg>
     </defs>
 
-    <use xlink:href="#icon-shot-3" />
+    <use xlink:href="#icon-get-1" />
 </svg>

src/styles/panel.less

@@ -117,6 +117,11 @@
       background-size: 100% 100%;
     }
 
+    &.success {
+      background: linear-gradient(150deg, @green_primary, @green_secondary) 50% 50% no-repeat;
+      background-size: 100% 100%;
+    }
+
     &.danger {
       background: linear-gradient(150deg, @red_primary, @red_secondary) 50% 50% no-repeat;
       background-size: 100% 100%;

src/styles/renderer.less

@@ -5,11 +5,48 @@
   width: 100%;
   height: 100%;
   z-index: 1000;
+  background: rgba(0, 0, 0, 0.9);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding-bottom: 80px;
+  box-sizing: border-box;
 
-  background: rgba(0, 0, 0, 0.5);
+  > div {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    position: relative;
+  }
 
-  //canvas {
-  //  width: 50vw;
-  //  height: 50vh;
-  //}
+  img#rendererOutput {
+    width: 300px;
+    height: 300px;
+  }
+
+  .croppr-region {
+    box-shadow: rgba(255, 255, 255, 0.2) 0 0 0 6px, rgba(0, 0, 0, 0.3) 0 0 0 1px;
+    border: none;
+    position: absolute;
+    top: 0;
+    left: 0;
+    overflow: hidden;
+  }
+
+  .croppr-handle {
+    width: 12px;
+    height: 12px;
+    border-radius: 8px;
+    border: none;
+    box-shadow: rgba(0, 0, 0, 0.3) 0 0 0 1px;
+  }
+}
+
+.renderer-logo {
+  position: absolute;
+  bottom: 0;
+  right: 0;
+  pointer-events: none;
+
+  transform-origin: 100% 100%;
 }

src/utils/renderer.js

@@ -1,10 +1,9 @@
 import { editor } from '$modules/Editor';
 import { COLORS, CONFIG } from '$config';
-
-const { map } = editor.map;
-map.addEventListener('mousedown', ({ latlng }) => console.log('CLICK', latlng));
+import saveAs from 'file-saver';
 
 const latLngToTile = latlng => {
+  const { map } = editor.map;
   const zoom = map.getZoom();
   const xtile = parseInt(Math.floor((latlng.lng + 180) / 360 * (1 << zoom)));
   const ytile = parseInt(Math.floor((1 - Math.log(Math.tan(latlng.lat * Math.PI / 180) + 1 / Math.cos(latlng.lat * Math.PI / 180)) / Math.PI) / 2 * (1 << zoom)));
@@ -13,6 +12,7 @@ const latLngToTile = latlng => {
 };
 
 const tileToLatLng = point => {
+  const { map } = editor.map;
   const z = map.getZoom();
   const lng = (point.x / Math.pow(2, z) * 360 - 180);
   const n = Math.PI - 2 * Math.PI * point.y / Math.pow(2, z);
@@ -22,6 +22,7 @@ const tileToLatLng = point => {
 };
 
 export const getTilePlacement = () => {
+  const { map } = editor.map;
   const width = window.innerWidth;
   const height = window.innerHeight;
 
@@ -60,12 +61,12 @@ export const getTilePlacement = () => {
 export const getPolyPlacement = () => (
   (!editor.poly.poly || !editor.poly.poly.getLatLngs() || editor.poly.poly.getLatLngs().length <= 0)
     ? []
-    : editor.poly.poly.getLatLngs().map((latlng) => ({ ...map.latLngToContainerPoint(latlng) }))
+    : editor.poly.poly.getLatLngs().map((latlng) => ({ ...editor.map.map.latLngToContainerPoint(latlng) }))
 );
 
 const getImageSource = ({ x, y, zoom }) => (`http://b.basemaps.cartocdn.com/light_all/${zoom}/${x}/${y}.png`);
 
-const imageFetcher = source => new Promise((resolve, reject) => {
+export const imageFetcher = source => new Promise((resolve, reject) => {
   const img = new Image();
   img.crossOrigin = 'anonymous';
   img.onload = () => resolve(img);
@@ -140,3 +141,6 @@ export const composePoly = ({ points, ctx }) => {
 
   return true;
 };
+
+export const downloadCanvas = (canvas, title) => canvas.toBlob(blob => saveAs(blob, title));
+