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7-Eleven
Commit 8c5a3696 by 赵雅纹
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parent f0f43ce2
Showing with 2526 additions and 2 deletions
src/app.json
......@@ -44,7 +44,8 @@
"pages/orderBenefit/orderBenefit",
"pages/myReleaseDetail/myReleaseDetail",
"pages/grassCommunity/grassCommunity",
"pages/myInvite/myInvite"
"pages/myInvite/myInvite",
"pages/share/share"
]
}
],
......
src/component/painter/lib/downloader.js 0 → 100644
/**
* LRU 文件存储，使用该 downloader 可以让下载的文件存储在本地，下次进入小程序后可以直接使用
* 详细设计文档可查看 https://juejin.im/post/5b42d3ede51d4519277b6ce3
*/
const util = require('./util');
const SAVED_FILES_KEY = 'savedFiles';
const KEY_TOTAL_SIZE = 'totalSize';
const KEY_PATH = 'path';
const KEY_TIME = 'time';
const KEY_SIZE = 'size';
// 可存储总共为 6M，目前小程序可允许的最大本地存储为 10M
let MAX_SPACE_IN_B = 6 * 1024 * 1024;
let savedFiles = {};
export default class Dowloader {
constructor() {
// app 如果设置了最大存储空间，则使用 app 中的
if (getApp().PAINTER_MAX_LRU_SPACE) {
MAX_SPACE_IN_B = getApp().PAINTER_MAX_LRU_SPACE;
}
wx.getStorage({
key: SAVED_FILES_KEY,
success: function (res) {
if (res.data) {
savedFiles = res.data;
}
},
});
}
/**
* 下载文件，会用 lru 方式来缓存文件到本地
* @param {String} url 文件的 url
*/
download(url) {
return new Promise((resolve, reject) => {
if (!(url && util.isValidUrl(url))) {
resolve(url);
return;
}
const file = getFile(url);
if (file) {
// 检查文件是否正常，不正常需要重新下载
wx.getSavedFileInfo({
filePath: file[KEY_PATH],
success: (res) => {
resolve(file[KEY_PATH]);
},
fail: (error) => {
console.error(`the file is broken, redownload it, ${JSON.stringify(error)}`);
downloadFile(url).then((path) => {
resolve(path);
}, () => {
reject();
});
},
});
} else {
downloadFile(url).then((path) => {
resolve(path);
}, () => {
reject();
});
}
});
}
}
function downloadFile(url) {
return new Promise((resolve, reject) => {
wx.downloadFile({
url: url,
success: function (res) {
if (res.statusCode !== 200) {
console.error(`downloadFile ${url} failed res.statusCode is not 200`);
reject();
return;
}
const { tempFilePath } = res;
wx.getFileInfo({
filePath: tempFilePath,
success: (tmpRes) => {
const newFileSize = tmpRes.size;
doLru(newFileSize).then(() => {
saveFile(url, newFileSize, tempFilePath).then((filePath) => {
resolve(filePath);
});
}, () => {
resolve(tempFilePath);
});
},
fail: (error) => {
// 文件大小信息获取失败，则此文件也不要进行存储
console.error(`getFileInfo ${res.tempFilePath} failed, ${JSON.stringify(error)}`);
resolve(res.tempFilePath);
},
});
},
fail: function (error) {
console.error(`downloadFile failed, ${JSON.stringify(error)} `);
reject();
},
});
});
}
function saveFile(key, newFileSize, tempFilePath) {
return new Promise((resolve, reject) => {
wx.saveFile({
tempFilePath: tempFilePath,
success: (fileRes) => {
const totalSize = savedFiles[KEY_TOTAL_SIZE] ? savedFiles[KEY_TOTAL_SIZE] : 0;
savedFiles[key] = {};
savedFiles[key][KEY_PATH] = fileRes.savedFilePath;
savedFiles[key][KEY_TIME] = new Date().getTime();
savedFiles[key][KEY_SIZE] = newFileSize;
savedFiles['totalSize'] = newFileSize + totalSize;
wx.setStorage({
key: SAVED_FILES_KEY,
data: savedFiles,
});
resolve(fileRes.savedFilePath);
},
fail: (error) => {
console.error(`saveFile ${key} failed, then we delete all files, ${JSON.stringify(error)}`);
// 由于 saveFile 成功后，res.tempFilePath 处的文件会被移除，所以在存储未成功时，我们还是继续使用临时文件
resolve(tempFilePath);
// 如果出现错误，就直接情况本地的所有文件，因为你不知道是不是因为哪次lru的某个文件未删除成功
reset();
},
});
});
}
/**
* 清空所有下载相关内容
*/
function reset() {
wx.removeStorage({
key: SAVED_FILES_KEY,
success: () => {
wx.getSavedFileList({
success: (listRes) => {
removeFiles(listRes.fileList);
},
fail: (getError) => {
console.error(`getSavedFileList failed, ${JSON.stringify(getError)}`);
},
});
},
});
}
function doLru(size) {
return new Promise((resolve, reject) => {
let totalSize = savedFiles[KEY_TOTAL_SIZE] ? savedFiles[KEY_TOTAL_SIZE] : 0;
if (size + totalSize <= MAX_SPACE_IN_B) {
resolve();
return;
}
// 如果加上新文件后大小超过最大限制，则进行 lru
const pathsShouldDelete = [];
// 按照最后一次的访问时间，从小到大排序
const allFiles = JSON.parse(JSON.stringify(savedFiles));
delete allFiles[KEY_TOTAL_SIZE];
const sortedKeys = Object.keys(allFiles).sort((a, b) => {
return allFiles[a][KEY_TIME] - allFiles[b][KEY_TIME];
});
for (const sortedKey of sortedKeys) {
totalSize -= savedFiles[sortedKey].size;
pathsShouldDelete.push(savedFiles[sortedKey][KEY_PATH]);
delete savedFiles[sortedKey];
if (totalSize + size < MAX_SPACE_IN_B) {
break;
}
}
savedFiles['totalSize'] = totalSize;
wx.setStorage({
key: SAVED_FILES_KEY,
data: savedFiles,
success: () => {
// 保证 storage 中不会存在不存在的文件数据
if (pathsShouldDelete.length > 0) {
removeFiles(pathsShouldDelete);
}
resolve();
},
fail: (error) => {
console.error(`doLru setStorage failed, ${JSON.stringify(error)}`);
reject();
},
});
});
}
function removeFiles(pathsShouldDelete) {
for (const pathDel of pathsShouldDelete) {
let delPath = pathDel;
if (typeof pathDel === 'object') {
delPath = pathDel.filePath;
}
wx.removeSavedFile({
filePath: delPath,
fail: (error) => {
console.error(`removeSavedFile ${pathDel} failed, ${JSON.stringify(error)}`);
},
});
}
}
function getFile(key) {
if (!savedFiles[key]) {
return;
}
savedFiles[key]['time'] = new Date().getTime();
wx.setStorage({
key: SAVED_FILES_KEY,
data: savedFiles,
});
return savedFiles[key];
}
src/component/painter/lib/gradient.js 0 → 100644
/* eslint-disable */
// 当ctx传入当前文件，const grd = ctx.createCircularGradient() 和
// const grd = this.ctx.createLinearGradient() 无效，因此只能分开处理
// 先分析，在外部创建grd，再传入使用就可以
!(function () {
var api = {
isGradient: function(bg) {
if (bg && (bg.startsWith('linear') || bg.startsWith('radial'))) {
return true;
}
return false;
},
doGradient: function(bg, width, height, ctx) {
if (bg.startsWith('linear')) {
linearEffect(width, height, bg, ctx);
} else if (bg.startsWith('radial')) {
radialEffect(width, height, bg, ctx);
}
},
}
function analizeGrad(string) {
const colorPercents = string.substring(0, string.length - 1).split("%,");
const colors = [];
const percents = [];
for (let colorPercent of colorPercents) {
colors.push(colorPercent.substring(0, colorPercent.lastIndexOf(" ")).trim());
percents.push(colorPercent.substring(colorPercent.lastIndexOf(" "), colorPercent.length) / 100);
}
return {colors: colors, percents: percents};
}
function radialEffect(width, height, bg, ctx) {
const colorPer = analizeGrad(bg.match(/radial-gradient\((.+)\)/)[1]);
const grd = ctx.createCircularGradient(0, 0, width < height ? height / 2 : width / 2);
for (let i = 0; i < colorPer.colors.length; i++) {
grd.addColorStop(colorPer.percents[i], colorPer.colors[i]);
}
ctx.setFillStyle(grd);
ctx.fillRect(-(width / 2), -(height / 2), width, height);
}
function analizeLinear(bg, width, height) {
const direction = bg.match(/([-]?\d{1,3})deg/);
const dir = direction && direction[1] ? parseFloat(direction[1]) : 0;
let coordinate;
switch (dir) {
case 0: coordinate = [0, -height / 2, 0, height / 2]; break;
case 90: coordinate = [width / 2, 0, -width / 2, 0]; break;
case -90: coordinate = [-width / 2, 0, width / 2, 0]; break;
case 180: coordinate = [0, height / 2, 0, -height / 2]; break;
case -180: coordinate = [0, -height / 2, 0, height / 2]; break;
default:
let x1 = 0;
let y1 = 0;
let x2 = 0;
let y2 = 0;
if (direction[1] > 0 && direction[1] < 90) {
x1 = (width / 2) - ((width / 2) * Math.tan((90 - direction[1]) * Math.PI * 2 / 360) - height / 2) * Math.sin(2 * (90 - direction[1]) * Math.PI * 2 / 360) / 2;
y2 = Math.tan((90 - direction[1]) * Math.PI * 2 / 360) * x1;
x2 = -x1;
y1 = -y2;
} else if (direction[1] > -180 && direction[1] < -90) {
x1 = -(width / 2) + ((width / 2) * Math.tan((90 - direction[1]) * Math.PI * 2 / 360) - height / 2) * Math.sin(2 * (90 - direction[1]) * Math.PI * 2 / 360) / 2;
y2 = Math.tan((90 - direction[1]) * Math.PI * 2 / 360) * x1;
x2 = -x1;
y1 = -y2;
} else if (direction[1] > 90 && direction[1] < 180) {
x1 = (width / 2) + (-(width / 2) * Math.tan((90 - direction[1]) * Math.PI * 2 / 360) - height / 2) * Math.sin(2 * (90 - direction[1]) * Math.PI * 2 / 360) / 2;
y2 = Math.tan((90 - direction[1]) * Math.PI * 2 / 360) * x1;
x2 = -x1;
y1 = -y2;
} else {
x1 = -(width / 2) - (-(width / 2) * Math.tan((90 - direction[1]) * Math.PI * 2 / 360) - height / 2) * Math.sin(2 * (90 - direction[1]) * Math.PI * 2 / 360) / 2;
y2 = Math.tan((90 - direction[1]) * Math.PI * 2 / 360) * x1;
x2 = -x1;
y1 = -y2;
}
coordinate = [x1, y1, x2, y2];
break;
}
return coordinate;
}
function linearEffect(width, height, bg, ctx) {
const param = analizeLinear(bg, width, height);
const grd = ctx.createLinearGradient(param[0], param[1], param[2], param[3]);
const content = bg.match(/linear-gradient\((.+)\)/)[1];
const colorPer = analizeGrad(content.substring(content.indexOf(',') + 1));
for (let i = 0; i < colorPer.colors.length; i++) {
grd.addColorStop(colorPer.percents[i], colorPer.colors[i]);
}
ctx.setFillStyle(grd);
ctx.fillRect(-(width / 2), -(height / 2), width, height);
}
module.exports = { api }
})();
src/component/painter/lib/pen.js 0 → 100644
const QR = require('./qrcode.js');
const GD = require('./gradient.js');
export default class Painter {
constructor(ctx, data) {
this.ctx = ctx;
this.data = data;
this.globalTextWidth = {};
}
paint(callback) {
this.style = {
width: this.data.width.toPx(),
height: this.data.height.toPx(),
};
this._background();
for (const view of this.data.views) {
this._drawAbsolute(view);
}
this.ctx.draw(false, () => {
callback();
});
}
_background() {
this.ctx.save();
const {
width,
height,
} = this.style;
const bg = this.data.background;
this.ctx.translate(width / 2, height / 2);
this._doClip(this.data.borderRadius, width, height);
if (!bg) {
// 如果未设置背景，则默认使用白色
this.ctx.setFillStyle('#fff');
this.ctx.fillRect(-(width / 2), -(height / 2), width, height);
} else if (bg.startsWith('#') || bg.startsWith('rgba') || bg.toLowerCase() === 'transparent') {
// 背景填充颜色
this.ctx.setFillStyle(bg);
this.ctx.fillRect(-(width / 2), -(height / 2), width, height);
} else if (GD.api.isGradient(bg)) {
GD.api.doGradient(bg, width, height, this.ctx);
} else {
// 背景填充图片
this.ctx.drawImage(bg, -(width / 2), -(height / 2), width, height);
}
this.ctx.restore();
}
_drawAbsolute(view) {
// 证明 css 为数组形式，需要合并
if (view.css && view.css.length) {
/* eslint-disable no-param-reassign */
view.css = Object.assign(...view.css);
}
switch (view.type) {
case 'image':
this._drawAbsImage(view);
break;
case 'text':
this._fillAbsText(view);
break;
case 'rect':
this._drawAbsRect(view);
break;
case 'qrcode':
this._drawQRCode(view);
break;
default:
break;
}
}
/**
* 根据 borderRadius 进行裁减
*/
_doClip(borderRadius, width, height) {
if (borderRadius && width && height) {
const r = Math.min(borderRadius.toPx(), width / 2, height / 2);
// 防止在某些机型上周边有黑框现象，此处如果直接设置 setFillStyle 为透明，在 Android 机型上会导致被裁减的图片也变为透明， iOS 和 IDE 上不会
// setGlobalAlpha 在 1.9.90 起支持，低版本下无效，但把 setFillStyle 设为了 white，相对默认的 black 要好点
this.ctx.setGlobalAlpha(0);
this.ctx.setFillStyle('white');
this.ctx.beginPath();
this.ctx.arc(-width / 2 + r, -height / 2 + r, r, 1 * Math.PI, 1.5 * Math.PI);
this.ctx.lineTo(width / 2 - r, -height / 2);
this.ctx.arc(width / 2 - r, -height / 2 + r, r, 1.5 * Math.PI, 2 * Math.PI);
this.ctx.lineTo(width / 2, height / 2 - r);
this.ctx.arc(width / 2 - r, height / 2 - r, r, 0, 0.5 * Math.PI);
this.ctx.lineTo(-width / 2 + r, height / 2);
this.ctx.arc(-width / 2 + r, height / 2 - r, r, 0.5 * Math.PI, 1 * Math.PI);
this.ctx.closePath();
this.ctx.fill();
// 在 ios 的 6.6.6 版本上 clip 有 bug，禁掉此类型上的 clip，也就意味着，在此版本微信的 ios 设备下无法使用 border 属性
if (!(getApp().systemInfo
&& getApp().systemInfo.version <= '6.6.6'
&& getApp().systemInfo.platform === 'ios')) {
this.ctx.clip();
}
this.ctx.setGlobalAlpha(1);
}
}
/**
* 画边框
*/
_doBorder(view, width, height) {
if (!view.css) {
return;
}
const {
borderRadius,
borderWidth,
borderColor,
} = view.css;
if (!borderWidth) {
return;
}
this.ctx.save();
this._preProcess(view, true);
let r;
if (borderRadius) {
r = Math.min(borderRadius.toPx(), width / 2, height / 2);
} else {
r = 0;
}
const lineWidth = borderWidth.toPx();
this.ctx.setLineWidth(lineWidth);
this.ctx.setStrokeStyle(borderColor || 'black');
this.ctx.beginPath();
this.ctx.arc(-width / 2 + r, -height / 2 + r, r + lineWidth / 2, 1 * Math.PI, 1.5 * Math.PI);
this.ctx.lineTo(width / 2 - r, -height / 2 - lineWidth / 2);
this.ctx.arc(width / 2 - r, -height / 2 + r, r + lineWidth / 2, 1.5 * Math.PI, 2 * Math.PI);
this.ctx.lineTo(width / 2 + lineWidth / 2, height / 2 - r);
this.ctx.arc(width / 2 - r, height / 2 - r, r + lineWidth / 2, 0, 0.5 * Math.PI);
this.ctx.lineTo(-width / 2 + r, height / 2 + lineWidth / 2);
this.ctx.arc(-width / 2 + r, height / 2 - r, r + lineWidth / 2, 0.5 * Math.PI, 1 * Math.PI);
this.ctx.closePath();
this.ctx.stroke();
this.ctx.restore();
}
_preProcess(view, notClip) {
let width = 0;
let height;
let extra;
switch (view.type) {
case 'text': {
const textArray = view.text.split('\n');
// 处理多个连续的'\n'
for (let i = 0; i < textArray.length; ++i) {
if (textArray[i] === '') {
textArray[i] = ' ';
}
}
const fontWeight = view.css.fontWeight === 'bold' ? 'bold' : 'normal';
view.css.fontSize = view.css.fontSize ? view.css.fontSize : '20rpx';
this.ctx.font = `normal ${fontWeight} ${view.css.fontSize.toPx()}px ${view.css.fontFamily ? view.css.fontFamily : 'sans-serif'}`;
// this.ctx.setFontSize(view.css.fontSize.toPx());
// 计算行数
let lines = 0;
const linesArray = [];
for (let i = 0; i < textArray.length; ++i) {
const textLength = this.ctx.measureText(textArray[i]).width;
const partWidth = view.css.width ? view.css.width.toPx() : textLength;
const calLines = Math.ceil(textLength / partWidth);
width = partWidth > width ? partWidth : width;
lines += calLines;
linesArray[i] = calLines;
}
lines = view.css.maxLines < lines ? view.css.maxLines : lines;
const lineHeight = view.css.lineHeight ? view.css.lineHeight.toPx() : view.css.fontSize.toPx();
height = lineHeight * lines;
extra = {
lines: lines,
lineHeight: lineHeight,
textArray: textArray,
linesArray: linesArray,
};
break;
}
case 'image': {
// image的长宽设置成auto的逻辑处理
const ratio = getApp().systemInfo.pixelRatio ? getApp().systemInfo.pixelRatio : 2;
// 有css却未设置width或height，则默认为auto
if (view.css) {
if (!view.css.width) {
view.css.width = 'auto';
}
if (!view.css.height) {
view.css.height = 'auto';
}
}
if (!view.css || (view.css.width === 'auto' && view.css.height === 'auto')) {
width = Math.round(view.sWidth / ratio);
height = Math.round(view.sHeight / ratio);
} else if (view.css.width === 'auto') {
height = view.css.height.toPx();
width = view.sWidth / view.sHeight * height;
} else if (view.css.height === 'auto') {
width = view.css.width.toPx();
height = view.sHeight / view.sWidth * width;
} else {
width = view.css.width.toPx();
height = view.css.height.toPx();
}
break;
}
default:
if (!(view.css.width && view.css.height)) {
console.error('You should set width and height');
return;
}
width = view.css.width.toPx();
height = view.css.height.toPx();
break;
}
let x;
if (view.css && view.css.right) {
if (typeof view.css.right === 'string') {
x = this.style.width - view.css.right.toPx(true);
} else {
// 可以用数组方式，把文字长度计算进去
// [right, 文字id, 乘数（默认 1）]
const rights = view.css.right;
x = this.style.width - rights[0].toPx(true) - this.globalTextWidth[rights[1]] * (rights[2] || 1);
}
} else if (view.css && view.css.left) {
if (typeof view.css.left === 'string') {
x = view.css.left.toPx(true);
} else {
const lefts = view.css.left;
x = lefts[0].toPx(true) + this.globalTextWidth[lefts[1]] * (lefts[2] || 1);
}
} else {
x = 0;
}
const y = view.css && view.css.bottom ? this.style.height - height - view.css.bottom.toPx(true) : (view.css && view.css.top ? view.css.top.toPx(true) : 0);
const angle = view.css && view.css.rotate ? this._getAngle(view.css.rotate) : 0;
// 当设置了 right 时，默认 align 用 right，反之用 left
const align = view.css && view.css.align ? view.css.align : (view.css && view.css.right ? 'right' : 'left');
switch (align) {
case 'center':
this.ctx.translate(x, y + height / 2);
break;
case 'right':
this.ctx.translate(x - width / 2, y + height / 2);
break;
default:
this.ctx.translate(x + width / 2, y + height / 2);
break;
}
this.ctx.rotate(angle);
if (!notClip && view.css && view.css.borderRadius) {
this._doClip(view.css.borderRadius, width, height);
}
this._doShadow(view);
return {
width: width,
height: height,
x: x,
y: y,
extra: extra,
};
}
// 画文字的背景图片
_doBackground(view) {
this.ctx.save();
const {
width: rawWidth,
height: rawHeight,
} = this._preProcess(view, true);
const {
background,
padding,
} = view.css;
let pd = [0, 0, 0, 0];
if (padding) {
const pdg = padding.split(/\s+/);
if (pdg.length === 1) {
const x = pdg[0].toPx();
pd = [x, x, x, x];
}
if (pdg.length === 2) {
const x = pdg[0].toPx();
const y = pdg[1].toPx();
pd = [x, y, x, y];
}
if (pdg.length === 3) {
const x = pdg[0].toPx();
const y = pdg[1].toPx();
const z = pdg[2].toPx();
pd = [x, y, z, y];
}
if (pdg.length === 4) {
const x = pdg[0].toPx();
const y = pdg[1].toPx();
const z = pdg[2].toPx();
const a = pdg[3].toPx();
pd = [x, y, z, a];
}
}
const width = rawWidth + pd[1] + pd[3];
const height = rawHeight + pd[0] + pd[2];
if (GD.api.isGradient(background)) {
GD.api.doGradient(background, width, height, this.ctx);
} else {
this.ctx.setFillStyle(background);
}
this.ctx.fillRect(-(width / 2), -(height / 2), width, height);
this.ctx.restore();
}
_drawQRCode(view) {
this.ctx.save();
const {
width,
height,
} = this._preProcess(view);
QR.api.draw(view.content, this.ctx, -width / 2, -height / 2, width, height, view.css.background, view.css.color);
this.ctx.restore();
this._doBorder(view, width, height);
}
_drawAbsImage(view) {
if (!view.url) {
return;
}
this.ctx.save();
const {
width,
height,
} = this._preProcess(view);
// 获得缩放到图片大小级别的裁减框
let rWidth = view.sWidth;
let rHeight = view.sHeight;
let startX = 0;
let startY = 0;
// 绘画区域比例
const cp = width / height;
// 原图比例
const op = view.sWidth / view.sHeight;
if (cp >= op) {
rHeight = rWidth / cp;
startY = Math.round((view.sHeight - rHeight) / 2);
} else {
rWidth = rHeight * cp;
startX = Math.round((view.sWidth - rWidth) / 2);
}
if (view.css && view.css.mode === 'scaleToFill') {
this.ctx.drawImage(view.url, -(width / 2), -(height / 2), width, height);
} else {
this.ctx.drawImage(view.url, startX, startY, rWidth, rHeight, -(width / 2), -(height / 2), width, height);
}
this.ctx.restore();
this._doBorder(view, width, height);
}
_fillAbsText(view) {
if (!view.text) {
return;
}
if (view.css.background) {
// 生成背景
this._doBackground(view);
}
this.ctx.save();
const {
width,
height,
extra,
} = this._preProcess(view);
this.ctx.setFillStyle(view.css.color || 'black');
const {
lines,
lineHeight,
textArray,
linesArray,
} = extra;
// 如果设置了id，则保留 text 的长度
if (view.id) {
let textWidth = 0;
for (let i = 0; i < textArray.length; ++i) {
textWidth = this.ctx.measureText(textArray[i]).width > textWidth ? this.ctx.measureText(textArray[i]).width : textWidth;
}
this.globalTextWidth[view.id] = width ? (textWidth < width ? textWidth : width) : textWidth;
}
let lineIndex = 0;
for (let j = 0; j < textArray.length; ++j) {
const preLineLength = Math.round(textArray[j].length / linesArray[j]);
let start = 0;
let alreadyCount = 0;
for (let i = 0; i < linesArray[j]; ++i) {
// 绘制行数大于最大行数，则直接跳出循环
if (lineIndex >= lines) {
break;
}
alreadyCount = preLineLength;
let text = textArray[j].substr(start, alreadyCount);
let measuredWith = this.ctx.measureText(text).width;
// 如果测量大小小于width一个字符的大小，则进行补齐，如果测量大小超出 width，则进行减除
// 如果已经到文本末尾，也不要进行该循环
while ((start + alreadyCount <= textArray[j].length) && (width - measuredWith > view.css.fontSize.toPx() || measuredWith > width)) {
if (measuredWith < width) {
text = textArray[j].substr(start, ++alreadyCount);
} else {
if (text.length <= 1) {
// 如果只有一个字符时，直接跳出循环
break;
}
text = textArray[j].substr(start, --alreadyCount);
}
measuredWith = this.ctx.measureText(text).width;
}
start += text.length;
// 如果是最后一行了，发现还有未绘制完的内容，则加...
if (lineIndex === lines - 1 && (j < textArray.length - 1 || start < textArray[j].length)) {
while (this.ctx.measureText(`${text}...`).width > width) {
if (text.length <= 1) {
// 如果只有一个字符时，直接跳出循环
break;
}
text = text.substring(0, text.length - 1);
}
text += '...';
measuredWith = this.ctx.measureText(text).width;
}
this.ctx.setTextAlign(view.css.textAlign ? view.css.textAlign : 'left');
let x;
switch (view.css.textAlign) {
case 'center':
x = 0;
break;
case 'right':
x = (width / 2);
break;
default:
x = -(width / 2);
break;
}
const y = -(height / 2) + (lineIndex === 0 ? view.css.fontSize.toPx() : (view.css.fontSize.toPx() + lineIndex * lineHeight));
lineIndex++;
if (view.css.textStyle === 'stroke') {
this.ctx.strokeText(text, x, y, measuredWith);
} else {
this.ctx.fillText(text, x, y, measuredWith);
}
const fontSize = view.css.fontSize.toPx();
if (view.css.textDecoration) {
this.ctx.beginPath();
if (/\bunderline\b/.test(view.css.textDecoration)) {
this.ctx.moveTo(x, y);
this.ctx.lineTo(x + measuredWith, y);
}
if (/\boverline\b/.test(view.css.textDecoration)) {
this.ctx.moveTo(x, y - fontSize);
this.ctx.lineTo(x + measuredWith, y - fontSize);
}
if (/\bline-through\b/.test(view.css.textDecoration)) {
this.ctx.moveTo(x, y - fontSize / 3);
this.ctx.lineTo(x + measuredWith, y - fontSize / 3);
}
this.ctx.closePath();
this.ctx.setStrokeStyle(view.css.color);
this.ctx.stroke();
}
}
}
this.ctx.restore();
this._doBorder(view, width, height);
}
_drawAbsRect(view) {
this.ctx.save();
const {
width,
height,
} = this._preProcess(view);
if (GD.api.isGradient(view.css.color)) {
GD.api.doGradient(view.css.color, width, height, this.ctx);
} else {
this.ctx.setFillStyle(view.css.color);
}
this.ctx.fillRect(-(width / 2), -(height / 2), width, height);
this.ctx.restore();
this._doBorder(view, width, height);
}
// shadow 支持 (x, y, blur, color), 不支持 spread
// shadow:0px 0px 10px rgba(0,0,0,0.1);
_doShadow(view) {
if (!view.css || !view.css.shadow) {
return;
}
const box = view.css.shadow.replace(/,\s+/g, ',').split(' ');
if (box.length > 4) {
console.error('shadow don\'t spread option');
return;
}
this.ctx.shadowOffsetX = parseInt(box[0], 10);
this.ctx.shadowOffsetY = parseInt(box[1], 10);
this.ctx.shadowBlur = parseInt(box[2], 10);
this.ctx.shadowColor = box[3];
}
_getAngle(angle) {
return Number(angle) * Math.PI / 180;
}
}
src/component/painter/lib/qrcode.js 0 → 100644
/* eslint-disable */
!(function () {
// alignment pattern
var adelta = [
0, 11, 15, 19, 23, 27, 31,
16, 18, 20, 22, 24, 26, 28, 20, 22, 24, 24, 26, 28, 28, 22, 24, 24,
26, 26, 28, 28, 24, 24, 26, 26, 26, 28, 28, 24, 26, 26, 26, 28, 28
];
// version block
var vpat = [
0xc94, 0x5bc, 0xa99, 0x4d3, 0xbf6, 0x762, 0x847, 0x60d,
0x928, 0xb78, 0x45d, 0xa17, 0x532, 0x9a6, 0x683, 0x8c9,
0x7ec, 0xec4, 0x1e1, 0xfab, 0x08e, 0xc1a, 0x33f, 0xd75,
0x250, 0x9d5, 0x6f0, 0x8ba, 0x79f, 0xb0b, 0x42e, 0xa64,
0x541, 0xc69
];
// final format bits with mask: level << 3 | mask
var fmtword = [
0x77c4, 0x72f3, 0x7daa, 0x789d, 0x662f, 0x6318, 0x6c41, 0x6976, //L
0x5412, 0x5125, 0x5e7c, 0x5b4b, 0x45f9, 0x40ce, 0x4f97, 0x4aa0, //M
0x355f, 0x3068, 0x3f31, 0x3a06, 0x24b4, 0x2183, 0x2eda, 0x2bed, //Q
0x1689, 0x13be, 0x1ce7, 0x19d0, 0x0762, 0x0255, 0x0d0c, 0x083b //H
];
// 4 per version: number of blocks 1,2; data width; ecc width
var eccblocks = [
1, 0, 19, 7, 1, 0, 16, 10, 1, 0, 13, 13, 1, 0, 9, 17,
1, 0, 34, 10, 1, 0, 28, 16, 1, 0, 22, 22, 1, 0, 16, 28,
1, 0, 55, 15, 1, 0, 44, 26, 2, 0, 17, 18, 2, 0, 13, 22,
1, 0, 80, 20, 2, 0, 32, 18, 2, 0, 24, 26, 4, 0, 9, 16,
1, 0, 108, 26, 2, 0, 43, 24, 2, 2, 15, 18, 2, 2, 11, 22,
2, 0, 68, 18, 4, 0, 27, 16, 4, 0, 19, 24, 4, 0, 15, 28,
2, 0, 78, 20, 4, 0, 31, 18, 2, 4, 14, 18, 4, 1, 13, 26,
2, 0, 97, 24, 2, 2, 38, 22, 4, 2, 18, 22, 4, 2, 14, 26,
2, 0, 116, 30, 3, 2, 36, 22, 4, 4, 16, 20, 4, 4, 12, 24,
2, 2, 68, 18, 4, 1, 43, 26, 6, 2, 19, 24, 6, 2, 15, 28,
4, 0, 81, 20, 1, 4, 50, 30, 4, 4, 22, 28, 3, 8, 12, 24,
2, 2, 92, 24, 6, 2, 36, 22, 4, 6, 20, 26, 7, 4, 14, 28,
4, 0, 107, 26, 8, 1, 37, 22, 8, 4, 20, 24, 12, 4, 11, 22,
3, 1, 115, 30, 4, 5, 40, 24, 11, 5, 16, 20, 11, 5, 12, 24,
5, 1, 87, 22, 5, 5, 41, 24, 5, 7, 24, 30, 11, 7, 12, 24,
5, 1, 98, 24, 7, 3, 45, 28, 15, 2, 19, 24, 3, 13, 15, 30,
1, 5, 107, 28, 10, 1, 46, 28, 1, 15, 22, 28, 2, 17, 14, 28,
5, 1, 120, 30, 9, 4, 43, 26, 17, 1, 22, 28, 2, 19, 14, 28,
3, 4, 113, 28, 3, 11, 44, 26, 17, 4, 21, 26, 9, 16, 13, 26,
3, 5, 107, 28, 3, 13, 41, 26, 15, 5, 24, 30, 15, 10, 15, 28,
4, 4, 116, 28, 17, 0, 42, 26, 17, 6, 22, 28, 19, 6, 16, 30,
2, 7, 111, 28, 17, 0, 46, 28, 7, 16, 24, 30, 34, 0, 13, 24,
4, 5, 121, 30, 4, 14, 47, 28, 11, 14, 24, 30, 16, 14, 15, 30,
6, 4, 117, 30, 6, 14, 45, 28, 11, 16, 24, 30, 30, 2, 16, 30,
8, 4, 106, 26, 8, 13, 47, 28, 7, 22, 24, 30, 22, 13, 15, 30,
10, 2, 114, 28, 19, 4, 46, 28, 28, 6, 22, 28, 33, 4, 16, 30,
8, 4, 122, 30, 22, 3, 45, 28, 8, 26, 23, 30, 12, 28, 15, 30,
3, 10, 117, 30, 3, 23, 45, 28, 4, 31, 24, 30, 11, 31, 15, 30,
7, 7, 116, 30, 21, 7, 45, 28, 1, 37, 23, 30, 19, 26, 15, 30,
5, 10, 115, 30, 19, 10, 47, 28, 15, 25, 24, 30, 23, 25, 15, 30,
13, 3, 115, 30, 2, 29, 46, 28, 42, 1, 24, 30, 23, 28, 15, 30,
17, 0, 115, 30, 10, 23, 46, 28, 10, 35, 24, 30, 19, 35, 15, 30,
17, 1, 115, 30, 14, 21, 46, 28, 29, 19, 24, 30, 11, 46, 15, 30,
13, 6, 115, 30, 14, 23, 46, 28, 44, 7, 24, 30, 59, 1, 16, 30,
12, 7, 121, 30, 12, 26, 47, 28, 39, 14, 24, 30, 22, 41, 15, 30,
6, 14, 121, 30, 6, 34, 47, 28, 46, 10, 24, 30, 2, 64, 15, 30,
17, 4, 122, 30, 29, 14, 46, 28, 49, 10, 24, 30, 24, 46, 15, 30,
4, 18, 122, 30, 13, 32, 46, 28, 48, 14, 24, 30, 42, 32, 15, 30,
20, 4, 117, 30, 40, 7, 47, 28, 43, 22, 24, 30, 10, 67, 15, 30,
19, 6, 118, 30, 18, 31, 47, 28, 34, 34, 24, 30, 20, 61, 15, 30
];
// Galois field log table
var glog = [
0xff, 0x00, 0x01, 0x19, 0x02, 0x32, 0x1a, 0xc6, 0x03, 0xdf, 0x33, 0xee, 0x1b, 0x68, 0xc7, 0x4b,
0x04, 0x64, 0xe0, 0x0e, 0x34, 0x8d, 0xef, 0x81, 0x1c, 0xc1, 0x69, 0xf8, 0xc8, 0x08, 0x4c, 0x71,
0x05, 0x8a, 0x65, 0x2f, 0xe1, 0x24, 0x0f, 0x21, 0x35, 0x93, 0x8e, 0xda, 0xf0, 0x12, 0x82, 0x45,
0x1d, 0xb5, 0xc2, 0x7d, 0x6a, 0x27, 0xf9, 0xb9, 0xc9, 0x9a, 0x09, 0x78, 0x4d, 0xe4, 0x72, 0xa6,
0x06, 0xbf, 0x8b, 0x62, 0x66, 0xdd, 0x30, 0xfd, 0xe2, 0x98, 0x25, 0xb3, 0x10, 0x91, 0x22, 0x88,
0x36, 0xd0, 0x94, 0xce, 0x8f, 0x96, 0xdb, 0xbd, 0xf1, 0xd2, 0x13, 0x5c, 0x83, 0x38, 0x46, 0x40,
0x1e, 0x42, 0xb6, 0xa3, 0xc3, 0x48, 0x7e, 0x6e, 0x6b, 0x3a, 0x28, 0x54, 0xfa, 0x85, 0xba, 0x3d,
0xca, 0x5e, 0x9b, 0x9f, 0x0a, 0x15, 0x79, 0x2b, 0x4e, 0xd4, 0xe5, 0xac, 0x73, 0xf3, 0xa7, 0x57,
0x07, 0x70, 0xc0, 0xf7, 0x8c, 0x80, 0x63, 0x0d, 0x67, 0x4a, 0xde, 0xed, 0x31, 0xc5, 0xfe, 0x18,
0xe3, 0xa5, 0x99, 0x77, 0x26, 0xb8, 0xb4, 0x7c, 0x11, 0x44, 0x92, 0xd9, 0x23, 0x20, 0x89, 0x2e,
0x37, 0x3f, 0xd1, 0x5b, 0x95, 0xbc, 0xcf, 0xcd, 0x90, 0x87, 0x97, 0xb2, 0xdc, 0xfc, 0xbe, 0x61,
0xf2, 0x56, 0xd3, 0xab, 0x14, 0x2a, 0x5d, 0x9e, 0x84, 0x3c, 0x39, 0x53, 0x47, 0x6d, 0x41, 0xa2,
0x1f, 0x2d, 0x43, 0xd8, 0xb7, 0x7b, 0xa4, 0x76, 0xc4, 0x17, 0x49, 0xec, 0x7f, 0x0c, 0x6f, 0xf6,
0x6c, 0xa1, 0x3b, 0x52, 0x29, 0x9d, 0x55, 0xaa, 0xfb, 0x60, 0x86, 0xb1, 0xbb, 0xcc, 0x3e, 0x5a,
0xcb, 0x59, 0x5f, 0xb0, 0x9c, 0xa9, 0xa0, 0x51, 0x0b, 0xf5, 0x16, 0xeb, 0x7a, 0x75, 0x2c, 0xd7,
0x4f, 0xae, 0xd5, 0xe9, 0xe6, 0xe7, 0xad, 0xe8, 0x74, 0xd6, 0xf4, 0xea, 0xa8, 0x50, 0x58, 0xaf
];
// Galios field exponent table
var gexp = [
0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1d, 0x3a, 0x74, 0xe8, 0xcd, 0x87, 0x13, 0x26,
0x4c, 0x98, 0x2d, 0x5a, 0xb4, 0x75, 0xea, 0xc9, 0x8f, 0x03, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0,
0x9d, 0x27, 0x4e, 0x9c, 0x25, 0x4a, 0x94, 0x35, 0x6a, 0xd4, 0xb5, 0x77, 0xee, 0xc1, 0x9f, 0x23,
0x46, 0x8c, 0x05, 0x0a, 0x14, 0x28, 0x50, 0xa0, 0x5d, 0xba, 0x69, 0xd2, 0xb9, 0x6f, 0xde, 0xa1,
0x5f, 0xbe, 0x61, 0xc2, 0x99, 0x2f, 0x5e, 0xbc, 0x65, 0xca, 0x89, 0x0f, 0x1e, 0x3c, 0x78, 0xf0,
0xfd, 0xe7, 0xd3, 0xbb, 0x6b, 0xd6, 0xb1, 0x7f, 0xfe, 0xe1, 0xdf, 0xa3, 0x5b, 0xb6, 0x71, 0xe2,
0xd9, 0xaf, 0x43, 0x86, 0x11, 0x22, 0x44, 0x88, 0x0d, 0x1a, 0x34, 0x68, 0xd0, 0xbd, 0x67, 0xce,
0x81, 0x1f, 0x3e, 0x7c, 0xf8, 0xed, 0xc7, 0x93, 0x3b, 0x76, 0xec, 0xc5, 0x97, 0x33, 0x66, 0xcc,
0x85, 0x17, 0x2e, 0x5c, 0xb8, 0x6d, 0xda, 0xa9, 0x4f, 0x9e, 0x21, 0x42, 0x84, 0x15, 0x2a, 0x54,
0xa8, 0x4d, 0x9a, 0x29, 0x52, 0xa4, 0x55, 0xaa, 0x49, 0x92, 0x39, 0x72, 0xe4, 0xd5, 0xb7, 0x73,
0xe6, 0xd1, 0xbf, 0x63, 0xc6, 0x91, 0x3f, 0x7e, 0xfc, 0xe5, 0xd7, 0xb3, 0x7b, 0xf6, 0xf1, 0xff,
0xe3, 0xdb, 0xab, 0x4b, 0x96, 0x31, 0x62, 0xc4, 0x95, 0x37, 0x6e, 0xdc, 0xa5, 0x57, 0xae, 0x41,
0x82, 0x19, 0x32, 0x64, 0xc8, 0x8d, 0x07, 0x0e, 0x1c, 0x38, 0x70, 0xe0, 0xdd, 0xa7, 0x53, 0xa6,
0x51, 0xa2, 0x59, 0xb2, 0x79, 0xf2, 0xf9, 0xef, 0xc3, 0x9b, 0x2b, 0x56, 0xac, 0x45, 0x8a, 0x09,
0x12, 0x24, 0x48, 0x90, 0x3d, 0x7a, 0xf4, 0xf5, 0xf7, 0xf3, 0xfb, 0xeb, 0xcb, 0x8b, 0x0b, 0x16,
0x2c, 0x58, 0xb0, 0x7d, 0xfa, 0xe9, 0xcf, 0x83, 0x1b, 0x36, 0x6c, 0xd8, 0xad, 0x47, 0x8e, 0x00
];
// Working buffers:
// data input and ecc append, image working buffer, fixed part of image, run lengths for badness
var strinbuf = [], eccbuf = [], qrframe = [], framask = [], rlens = [];
// Control values - width is based on version, last 4 are from table.
var version, width, neccblk1, neccblk2, datablkw, eccblkwid;
var ecclevel = 2;
// set bit to indicate cell in qrframe is immutable. symmetric around diagonal
function setmask(x, y) {
var bt;
if (x > y) {
bt = x;
x = y;
y = bt;
}
// y*y = 1+3+5...
bt = y;
bt *= y;
bt += y;
bt >>= 1;
bt += x;
framask[bt] = 1;
}
// enter alignment pattern - black to qrframe, white to mask (later black frame merged to mask)
function putalign(x, y) {
var j;
qrframe[x + width * y] = 1;
for (j = -2; j < 2; j++) {
qrframe[(x + j) + width * (y - 2)] = 1;
qrframe[(x - 2) + width * (y + j + 1)] = 1;
qrframe[(x + 2) + width * (y + j)] = 1;
qrframe[(x + j + 1) + width * (y + 2)] = 1;
}
for (j = 0; j < 2; j++) {
setmask(x - 1, y + j);
setmask(x + 1, y - j);
setmask(x - j, y - 1);
setmask(x + j, y + 1);
}
}
//========================================================================
// Reed Solomon error correction
// exponentiation mod N
function modnn(x) {
while (x >= 255) {
x -= 255;
x = (x >> 8) + (x & 255);
}
return x;
}
var genpoly = [];
// Calculate and append ECC data to data block. Block is in strinbuf, indexes to buffers given.
function appendrs(data, dlen, ecbuf, eclen) {
var i, j, fb;
for (i = 0; i < eclen; i++)
strinbuf[ecbuf + i] = 0;
for (i = 0; i < dlen; i++) {
fb = glog[strinbuf[data + i] ^ strinbuf[ecbuf]];
if (fb != 255) /* fb term is non-zero */
for (j = 1; j < eclen; j++)
strinbuf[ecbuf + j - 1] = strinbuf[ecbuf + j] ^ gexp[modnn(fb + genpoly[eclen - j])];
else
for (j = ecbuf; j < ecbuf + eclen; j++)
strinbuf[j] = strinbuf[j + 1];
strinbuf[ecbuf + eclen - 1] = fb == 255 ? 0 : gexp[modnn(fb + genpoly[0])];
}
}
//========================================================================
// Frame data insert following the path rules
// check mask - since symmetrical use half.
function ismasked(x, y) {
var bt;
if (x > y) {
bt = x;
x = y;
y = bt;
}
bt = y;
bt += y * y;
bt >>= 1;
bt += x;
return framask[bt];
}
//========================================================================
// Apply the selected mask out of the 8.
function applymask(m) {
var x, y, r3x, r3y;
switch (m) {
case 0:
for (y = 0; y < width; y++)
for (x = 0; x < width; x++)
if (!((x + y) & 1) && !ismasked(x, y))
qrframe[x + y * width] ^= 1;
break;
case 1:
for (y = 0; y < width; y++)
for (x = 0; x < width; x++)
if (!(y & 1) && !ismasked(x, y))
qrframe[x + y * width] ^= 1;
break;
case 2:
for (y = 0; y < width; y++)
for (r3x = 0, x = 0; x < width; x++ , r3x++) {
if (r3x == 3)
r3x = 0;
if (!r3x && !ismasked(x, y))
qrframe[x + y * width] ^= 1;
}
break;
case 3:
for (r3y = 0, y = 0; y < width; y++ , r3y++) {
if (r3y == 3)
r3y = 0;
for (r3x = r3y, x = 0; x < width; x++ , r3x++) {
if (r3x == 3)
r3x = 0;
if (!r3x && !ismasked(x, y))
qrframe[x + y * width] ^= 1;
}
}
break;
case 4:
for (y = 0; y < width; y++)
for (r3x = 0, r3y = ((y >> 1) & 1), x = 0; x < width; x++ , r3x++) {
if (r3x == 3) {
r3x = 0;
r3y = !r3y;
}
if (!r3y && !ismasked(x, y))
qrframe[x + y * width] ^= 1;
}
break;
case 5:
for (r3y = 0, y = 0; y < width; y++ , r3y++) {
if (r3y == 3)
r3y = 0;
for (r3x = 0, x = 0; x < width; x++ , r3x++) {
if (r3x == 3)
r3x = 0;
if (!((x & y & 1) + !(!r3x | !r3y)) && !ismasked(x, y))
qrframe[x + y * width] ^= 1;
}
}
break;
case 6:
for (r3y = 0, y = 0; y < width; y++ , r3y++) {
if (r3y == 3)
r3y = 0;
for (r3x = 0, x = 0; x < width; x++ , r3x++) {
if (r3x == 3)
r3x = 0;
if (!(((x & y & 1) + (r3x && (r3x == r3y))) & 1) && !ismasked(x, y))
qrframe[x + y * width] ^= 1;
}
}
break;
case 7:
for (r3y = 0, y = 0; y < width; y++ , r3y++) {
if (r3y == 3)
r3y = 0;
for (r3x = 0, x = 0; x < width; x++ , r3x++) {
if (r3x == 3)
r3x = 0;
if (!(((r3x && (r3x == r3y)) + ((x + y) & 1)) & 1) && !ismasked(x, y))
qrframe[x + y * width] ^= 1;
}
}
break;
}
return;
}
// Badness coefficients.
var N1 = 3, N2 = 3, N3 = 40, N4 = 10;
// Using the table of the length of each run, calculate the amount of bad image
// - long runs or those that look like finders; called twice, once each for X and Y
function badruns(length) {
var i;
var runsbad = 0;
for (i = 0; i <= length; i++)
if (rlens[i] >= 5)
runsbad += N1 + rlens[i] - 5;
// BwBBBwB as in finder
for (i = 3; i < length - 1; i += 2)
if (rlens[i - 2] == rlens[i + 2]
&& rlens[i + 2] == rlens[i - 1]
&& rlens[i - 1] == rlens[i + 1]
&& rlens[i - 1] * 3 == rlens[i]
// white around the black pattern? Not part of spec
&& (rlens[i - 3] == 0 // beginning
|| i + 3 > length // end
|| rlens[i - 3] * 3 >= rlens[i] * 4 || rlens[i + 3] * 3 >= rlens[i] * 4)
)
runsbad += N3;
return runsbad;
}
// Calculate how bad the masked image is - blocks, imbalance, runs, or finders.
function badcheck() {
var x, y, h, b, b1;
var thisbad = 0;
var bw = 0;
// blocks of same color.
for (y = 0; y < width - 1; y++)
for (x = 0; x < width - 1; x++)
if ((qrframe[x + width * y] && qrframe[(x + 1) + width * y]
&& qrframe[x + width * (y + 1)] && qrframe[(x + 1) + width * (y + 1)]) // all black
|| !(qrframe[x + width * y] || qrframe[(x + 1) + width * y]
|| qrframe[x + width * (y + 1)] || qrframe[(x + 1) + width * (y + 1)])) // all white
thisbad += N2;
// X runs
for (y = 0; y < width; y++) {
rlens[0] = 0;
for (h = b = x = 0; x < width; x++) {
if ((b1 = qrframe[x + width * y]) == b)
rlens[h]++;
else
rlens[++h] = 1;
b = b1;
bw += b ? 1 : -1;
}
thisbad += badruns(h);
}
// black/white imbalance
if (bw < 0)
bw = -bw;
var big = bw;
var count = 0;
big += big << 2;
big <<= 1;
while (big > width * width)
big -= width * width, count++;
thisbad += count * N4;
// Y runs
for (x = 0; x < width; x++) {
rlens[0] = 0;
for (h = b = y = 0; y < width; y++) {
if ((b1 = qrframe[x + width * y]) == b)
rlens[h]++;
else
rlens[++h] = 1;
b = b1;
}
thisbad += badruns(h);
}
return thisbad;
}
function genframe(instring) {
var x, y, k, t, v, i, j, m;
// find the smallest version that fits the string
t = instring.length;
version = 0;
do {
version++;
k = (ecclevel - 1) * 4 + (version - 1) * 16;
neccblk1 = eccblocks[k++];
neccblk2 = eccblocks[k++];
datablkw = eccblocks[k++];
eccblkwid = eccblocks[k];
k = datablkw * (neccblk1 + neccblk2) + neccblk2 - 3 + (version <= 9);
if (t <= k)
break;
} while (version < 40);
// FIXME - insure that it fits insted of being truncated
width = 17 + 4 * version;
// allocate, clear and setup data structures
v = datablkw + (datablkw + eccblkwid) * (neccblk1 + neccblk2) + neccblk2;
for (t = 0; t < v; t++)
eccbuf[t] = 0;
strinbuf = instring.slice(0);
for (t = 0; t < width * width; t++)
qrframe[t] = 0;
for (t = 0; t < (width * (width + 1) + 1) / 2; t++)
framask[t] = 0;
// insert finders - black to frame, white to mask
for (t = 0; t < 3; t++) {
k = 0;
y = 0;
if (t == 1)
k = (width - 7);
if (t == 2)
y = (width - 7);
qrframe[(y + 3) + width * (k + 3)] = 1;
for (x = 0; x < 6; x++) {
qrframe[(y + x) + width * k] = 1;
qrframe[y + width * (k + x + 1)] = 1;
qrframe[(y + 6) + width * (k + x)] = 1;
qrframe[(y + x + 1) + width * (k + 6)] = 1;
}
for (x = 1; x < 5; x++) {
setmask(y + x, k + 1);
setmask(y + 1, k + x + 1);
setmask(y + 5, k + x);
setmask(y + x + 1, k + 5);
}
for (x = 2; x < 4; x++) {
qrframe[(y + x) + width * (k + 2)] = 1;
qrframe[(y + 2) + width * (k + x + 1)] = 1;
qrframe[(y + 4) + width * (k + x)] = 1;
qrframe[(y + x + 1) + width * (k + 4)] = 1;
}
}
// alignment blocks
if (version > 1) {
t = adelta[version];
y = width - 7;
for (; ;) {
x = width - 7;
while (x > t - 3) {
putalign(x, y);
if (x < t)
break;
x -= t;
}
if (y <= t + 9)
break;
y -= t;
putalign(6, y);
putalign(y, 6);
}
}
// single black
qrframe[8 + width * (width - 8)] = 1;
// timing gap - mask only
for (y = 0; y < 7; y++) {
setmask(7, y);
setmask(width - 8, y);
setmask(7, y + width - 7);
}
for (x = 0; x < 8; x++) {
setmask(x, 7);
setmask(x + width - 8, 7);
setmask(x, width - 8);
}
// reserve mask-format area
for (x = 0; x < 9; x++)
setmask(x, 8);
for (x = 0; x < 8; x++) {
setmask(x + width - 8, 8);
setmask(8, x);
}
for (y = 0; y < 7; y++)
setmask(8, y + width - 7);
// timing row/col
for (x = 0; x < width - 14; x++)
if (x & 1) {
setmask(8 + x, 6);
setmask(6, 8 + x);
}
else {
qrframe[(8 + x) + width * 6] = 1;
qrframe[6 + width * (8 + x)] = 1;
}
// version block
if (version > 6) {
t = vpat[version - 7];
k = 17;
for (x = 0; x < 6; x++)
for (y = 0; y < 3; y++ , k--)
if (1 & (k > 11 ? version >> (k - 12) : t >> k)) {
qrframe[(5 - x) + width * (2 - y + width - 11)] = 1;
qrframe[(2 - y + width - 11) + width * (5 - x)] = 1;
}
else {
setmask(5 - x, 2 - y + width - 11);
setmask(2 - y + width - 11, 5 - x);
}
}
// sync mask bits - only set above for white spaces, so add in black bits
for (y = 0; y < width; y++)
for (x = 0; x <= y; x++)
if (qrframe[x + width * y])
setmask(x, y);
// convert string to bitstream
// 8 bit data to QR-coded 8 bit data (numeric or alphanum, or kanji not supported)
v = strinbuf.length;
// string to array
for (i = 0; i < v; i++)
eccbuf[i] = strinbuf.charCodeAt(i);
strinbuf = eccbuf.slice(0);
// calculate max string length
x = datablkw * (neccblk1 + neccblk2) + neccblk2;
if (v >= x - 2) {
v = x - 2;
if (version > 9)
v--;
}
// shift and repack to insert length prefix
i = v;
if (version > 9) {
strinbuf[i + 2] = 0;
strinbuf[i + 3] = 0;
while (i--) {
t = strinbuf[i];
strinbuf[i + 3] |= 255 & (t << 4);
strinbuf[i + 2] = t >> 4;
}
strinbuf[2] |= 255 & (v << 4);
strinbuf[1] = v >> 4;
strinbuf[0] = 0x40 | (v >> 12);
}
else {
strinbuf[i + 1] = 0;
strinbuf[i + 2] = 0;
while (i--) {
t = strinbuf[i];
strinbuf[i + 2] |= 255 & (t << 4);
strinbuf[i + 1] = t >> 4;
}
strinbuf[1] |= 255 & (v << 4);
strinbuf[0] = 0x40 | (v >> 4);
}
// fill to end with pad pattern
i = v + 3 - (version < 10);
while (i < x) {
strinbuf[i++] = 0xec;
// buffer has room if (i == x) break;
strinbuf[i++] = 0x11;
}
// calculate and append ECC
// calculate generator polynomial
genpoly[0] = 1;
for (i = 0; i < eccblkwid; i++) {
genpoly[i + 1] = 1;
for (j = i; j > 0; j--)
genpoly[j] = genpoly[j]
? genpoly[j - 1] ^ gexp[modnn(glog[genpoly[j]] + i)] : genpoly[j - 1];
genpoly[0] = gexp[modnn(glog[genpoly[0]] + i)];
}
for (i = 0; i <= eccblkwid; i++)
genpoly[i] = glog[genpoly[i]]; // use logs for genpoly[] to save calc step
// append ecc to data buffer
k = x;
y = 0;
for (i = 0; i < neccblk1; i++) {
appendrs(y, datablkw, k, eccblkwid);
y += datablkw;
k += eccblkwid;
}
for (i = 0; i < neccblk2; i++) {
appendrs(y, datablkw + 1, k, eccblkwid);
y += datablkw + 1;
k += eccblkwid;
}
// interleave blocks
y = 0;
for (i = 0; i < datablkw; i++) {
for (j = 0; j < neccblk1; j++)
eccbuf[y++] = strinbuf[i + j * datablkw];
for (j = 0; j < neccblk2; j++)
eccbuf[y++] = strinbuf[(neccblk1 * datablkw) + i + (j * (datablkw + 1))];
}
for (j = 0; j < neccblk2; j++)
eccbuf[y++] = strinbuf[(neccblk1 * datablkw) + i + (j * (datablkw + 1))];
for (i = 0; i < eccblkwid; i++)
for (j = 0; j < neccblk1 + neccblk2; j++)
eccbuf[y++] = strinbuf[x + i + j * eccblkwid];
strinbuf = eccbuf;
// pack bits into frame avoiding masked area.
x = y = width - 1;
k = v = 1; // up, minus
/* inteleaved data and ecc codes */
m = (datablkw + eccblkwid) * (neccblk1 + neccblk2) + neccblk2;
for (i = 0; i < m; i++) {
t = strinbuf[i];
for (j = 0; j < 8; j++ , t <<= 1) {
if (0x80 & t)
qrframe[x + width * y] = 1;
do { // find next fill position
if (v)
x--;
else {
x++;
if (k) {
if (y != 0)
y--;
else {
x -= 2;
k = !k;
if (x == 6) {
x--;
y = 9;
}
}
}
else {
if (y != width - 1)
y++;
else {
x -= 2;
k = !k;
if (x == 6) {
x--;
y -= 8;
}
}
}
}
v = !v;
} while (ismasked(x, y));
}
}
// save pre-mask copy of frame
strinbuf = qrframe.slice(0);
t = 0; // best
y = 30000; // demerit
// for instead of while since in original arduino code
// if an early mask was "good enough" it wouldn't try for a better one
// since they get more complex and take longer.
for (k = 0; k < 8; k++) {
applymask(k); // returns black-white imbalance
x = badcheck();
if (x < y) { // current mask better than previous best?
y = x;
t = k;
}
if (t == 7)
break; // don't increment i to a void redoing mask
qrframe = strinbuf.slice(0); // reset for next pass
}
if (t != k) // redo best mask - none good enough, last wasn't t
applymask(t);
// add in final mask/ecclevel bytes
y = fmtword[t + ((ecclevel - 1) << 3)];
// low byte
for (k = 0; k < 8; k++ , y >>= 1)
if (y & 1) {
qrframe[(width - 1 - k) + width * 8] = 1;
if (k < 6)
qrframe[8 + width * k] = 1;
else
qrframe[8 + width * (k + 1)] = 1;
}
// high byte
for (k = 0; k < 7; k++ , y >>= 1)
if (y & 1) {
qrframe[8 + width * (width - 7 + k)] = 1;
if (k)
qrframe[(6 - k) + width * 8] = 1;
else
qrframe[7 + width * 8] = 1;
}
return qrframe;
}
var _canvas = null;
var api = {
get ecclevel() {
return ecclevel;
},
set ecclevel(val) {
ecclevel = val;
},
get size() {
return _size;
},
set size(val) {
_size = val
},
get canvas() {
return _canvas;
},
set canvas(el) {
_canvas = el;
},
getFrame: function (string) {
return genframe(string);
},
//这里的utf16to8(str)是对Text中的字符串进行转码，让其支持中文
utf16to8: function (str) {
var out, i, len, c;
out = "";
len = str.length;
for (i = 0; i < len; i++) {
c = str.charCodeAt(i);
if ((c >= 0x0001) && (c <= 0x007F)) {
out += str.charAt(i);
} else if (c > 0x07FF) {
out += String.fromCharCode(0xE0 | ((c >> 12) & 0x0F));
out += String.fromCharCode(0x80 | ((c >> 6) & 0x3F));
out += String.fromCharCode(0x80 | ((c >> 0) & 0x3F));
} else {
out += String.fromCharCode(0xC0 | ((c >> 6) & 0x1F));
out += String.fromCharCode(0x80 | ((c >> 0) & 0x3F));
}
}
return out;
},
/**
* 新增$this参数，传入组件的this,兼容在组件中生成
* @param bg 目前只能设置颜色值
*/
draw: function (str, ctx, startX, startY, cavW, cavH, bg, color, $this, ecc) {
var that = this;
ecclevel = ecc || ecclevel;
if (!ctx) {
console.warn('No canvas provided to draw QR code in!')
return;
}
var size = Math.min(cavW, cavH);
str = that.utf16to8(str);//增加中文显示
var frame = that.getFrame(str);
var px = size / width;
if (bg) {
ctx.setFillStyle(bg)
ctx.fillRect(startX, startY, cavW, cavW);
}
ctx.setFillStyle(color || 'black');
for (var i = 0; i < width; i++) {
for (var j = 0; j < width; j++) {
if (frame[j * width + i]) {
ctx.fillRect(startX + px * i, startY + px * j, px, px);
}
}
}
}
}
module.exports = { api }
// exports.draw = api;
})();
\ No newline at end of file
src/component/painter/lib/util.js 0 → 100644
function isValidUrl(url) {
return /(ht|f)tp(s?):\/\/([^ \\/]*\.)+[^ \\/]*(:[0-9]+)?\/?/.test(url);
}
/**
* 深度对比两个对象是否一致
* from: https://github.com/epoberezkin/fast-deep-equal
* @param {Object} a 对象a
* @param {Object} b 对象b
* @return {Boolean} 是否相同
*/
/* eslint-disable */
function equal(a, b) {
if (a === b) return true;
if (a && b && typeof a == 'object' && typeof b == 'object') {
var arrA = Array.isArray(a)
, arrB = Array.isArray(b)
, i
, length
, key;
if (arrA && arrB) {
length = a.length;
if (length != b.length) return false;
for (i = length; i-- !== 0;)
if (!equal(a[i], b[i])) return false;
return true;
}
if (arrA != arrB) return false;
var dateA = a instanceof Date
, dateB = b instanceof Date;
if (dateA != dateB) return false;
if (dateA && dateB) return a.getTime() == b.getTime();
var regexpA = a instanceof RegExp
, regexpB = b instanceof RegExp;
if (regexpA != regexpB) return false;
if (regexpA && regexpB) return a.toString() == b.toString();
var keys = Object.keys(a);
length = keys.length;
if (length !== Object.keys(b).length)
return false;
for (i = length; i-- !== 0;)
if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false;
for (i = length; i-- !== 0;) {
key = keys[i];
if (!equal(a[key], b[key])) return false;
}
return true;
}
return a!==a && b!==b;
}
module.exports = {
isValidUrl,
equal
};
src/component/painter/painter.js 0 → 100644
import Pen from './lib/pen';
import Downloader from './lib/downloader';
const util = require('./lib/util');
const downloader = new Downloader();
// 最大尝试的绘制次数
const MAX_PAINT_COUNT = 5;
Component({
canvasWidthInPx: 0,
canvasHeightInPx: 0,
paintCount: 0,
/**
* 组件的属性列表
*/
properties: {
customStyle: {
type: String,
},
palette: {
type: Object,
observer: function (newVal, oldVal) {
if (this.isNeedRefresh(newVal, oldVal)) {
this.paintCount = 0;
this.startPaint();
}
},
},
// 启用脏检查，默认 false
dirty: {
type: Boolean,
value: false,
},
},
data: {
picURL: '',
showCanvas: true,
painterStyle: '',
},
attached() {
setStringPrototype();
},
methods: {
/**
* 判断一个 object 是否为 空
* @param {object} object
*/
isEmpty(object) {
for (const i in object) {
return false;
}
return true;
},
isNeedRefresh(newVal, oldVal) {
if (!newVal || this.isEmpty(newVal) || (this.data.dirty && util.equal(newVal, oldVal))) {
return false;
}
return true;
},
startPaint() {
if (this.isEmpty(this.properties.palette)) {
return;
}
if (!(getApp().systemInfo && getApp().systemInfo.screenWidth)) {
try {
getApp().systemInfo = wx.getSystemInfoSync();
} catch (e) {
const error = `Painter get system info failed, ${JSON.stringify(e)}`;
that.triggerEvent('imgErr', { error: error });
console.error(error);
return;
}
}
screenK = getApp().systemInfo.screenWidth / 750;
this.downloadImages().then((palette) => {
const { width, height } = palette;
this.canvasWidthInPx = width.toPx();
this.canvasHeightInPx = height.toPx();
if (!width || !height) {
console.error(`You should set width and height correctly for painter, width: ${width}, height: ${height}`);
return;
}
this.setData({
painterStyle: `width:${width};height:${height};`,
});
const ctx = wx.createCanvasContext('k-canvas', this);
const pen = new Pen(ctx, palette);
pen.paint(() => {
this.saveImgToLocal();
});
});
},
downloadImages() {
return new Promise((resolve, reject) => {
let preCount = 0;
let completeCount = 0;
const paletteCopy = JSON.parse(JSON.stringify(this.properties.palette));
if (paletteCopy.background) {
preCount++;
downloader.download(paletteCopy.background).then((path) => {
paletteCopy.background = path;
completeCount++;
if (preCount === completeCount) {
resolve(paletteCopy);
}
}, () => {
completeCount++;
if (preCount === completeCount) {
resolve(paletteCopy);
}
});
}
if (paletteCopy.views) {
for (const view of paletteCopy.views) {
if (view && view.type === 'image' && view.url) {
preCount++;
/* eslint-disable no-loop-func */
downloader.download(view.url).then((path) => {
view.url = path;
wx.getImageInfo({
src: view.url,
success: (res) => {
// 获得一下图片信息，供后续裁减使用
view.sWidth = res.width;
view.sHeight = res.height;
},
fail: (error) => {
// 如果图片坏了，则直接置空，防止坑爹的 canvas 画崩溃了
view.url = "";
console.error(`getImageInfo ${view.url} failed, ${JSON.stringify(error)}`);
},
complete: () => {
completeCount++;
if (preCount === completeCount) {
resolve(paletteCopy);
}
},
});
}, () => {
completeCount++;
if (preCount === completeCount) {
resolve(paletteCopy);
}
});
}
}
}
if (preCount === 0) {
resolve(paletteCopy);
}
});
},
saveImgToLocal() {
const that = this;
setTimeout(() => {
wx.canvasToTempFilePath({
canvasId: 'k-canvas',
success: function (res) {
that.getImageInfo(res.tempFilePath);
},
fail: function (error) {
console.error(`canvasToTempFilePath failed, ${JSON.stringify(error)}`);
that.triggerEvent('imgErr', { error: error });
},
}, this);
}, 300);
},
getImageInfo(filePath) {
const that = this;
wx.getImageInfo({
src: filePath,
success: (infoRes) => {
if (that.paintCount > MAX_PAINT_COUNT) {
const error = `The result is always fault, even we tried ${MAX_PAINT_COUNT} times`;
console.error(error);
that.triggerEvent('imgErr', { error: error });
return;
}
// 比例相符时才证明绘制成功，否则进行强制重绘制
if (Math.abs((infoRes.width * that.canvasHeightInPx - that.canvasWidthInPx * infoRes.height) / (infoRes.height * that.canvasHeightInPx)) < 0.01) {
that.triggerEvent('imgOK', { path: filePath });
} else {
that.startPaint();
}
that.paintCount++;
},
fail: (error) => {
console.error(`getImageInfo failed, ${JSON.stringify(error)}`);
that.triggerEvent('imgErr', { error: error });
},
});
},
},
});
let screenK = 0.5;
function setStringPrototype() {
/* eslint-disable no-extend-native */
/**
* 是否支持负数
* @param {Boolean} minus 是否支持负数
*/
String.prototype.toPx = function toPx(minus) {
let reg;
if (minus) {
reg = /^-?[0-9]+([.]{1}[0-9]+){0,1}(rpx|px)$/g;
} else {
reg = /^[0-9]+([.]{1}[0-9]+){0,1}(rpx|px)$/g;
}
const results = reg.exec(this);
if (!this || !results) {
console.error(`The size: ${this} is illegal`);
return 0;
}
const unit = results[2];
const value = parseFloat(this);
let res = 0;
if (unit === 'rpx') {
res = Math.round(value * screenK);
} else if (unit === 'px') {
res = value;
}
return res;
};
}
src/component/painter/painter.json 0 → 100644
{
"component": true,
"usingComponents": {}
}
\ No newline at end of file
src/component/painter/painter.wxml 0 → 100644
<canvas canvas-id="k-canvas" style="{{painterStyle}}{{customStyle}}" />
\ No newline at end of file
src/palette/card.js 0 → 100644
export default class LastMayday {
palette() {
return ({
width: '654rpx',
height: '1000rpx',
background: '#eee',
views: [
_textDecoration('overline', 0),
_textDecoration('underline', 1),
_textDecoration('line-through', 2),
_textDecoration('overline underline line-through', 3, 'red'),
{
type: 'rect',
css: {
width: '200rpx',
right: '20rpx',
top: '30rpx',
height: '100rpx',
shadow: '10rpx 10rpx 5rpx #888888',
color: 'linear-gradient(-135deg, #fedcba 0%, rgba(18, 52, 86, 1) 20%, #987 80%)',
},
},
{
id: 'my-text-id',
type: 'text',
text: "fontWeight: 'bold'",
css: [{
top: `${startTop + 4 * gapSize}rpx`,
shadow: '10rpx 10rpx 5rpx #888888',
fontWeight: 'bold',
}, common],
},
{
type: 'rect',
css: {
width: '20rpx',
height: '20rpx',
color: 'red',
left: [`${startTop}rpx`, 'my-text-id'],
top: `${startTop + 4 * gapSize + 15}rpx`,
},
},
{
type: 'text',
text: '我是把width设置为400rpx后，我就换行了xx行了',
css: [{
top: `${startTop + 5 * gapSize}rpx`,
align: 'center',
width: '400rpx',
background: '#538e60',
textAlign: 'center',
padding: '10rpx',
}, common, { left: '300rpx' }],
},
{
type: 'text',
text: '我设置了maxLines为1，看看会产生什么效果',
css: [{
top: `${startTop + 7 * gapSize}rpx`,
width: '500rpx',
maxLines: 1,
}, common],
},
_image(0),
_des(0, '普通'),
_image(1, 30),
_des(1, 'rotate: 30'),
_image(2, 30, '20rpx'),
_des(2, 'borderRadius: 30rpx'),
_image(3, 0, '60rpx'),
_des(3, '圆形'),
{
type: 'image',
url: '/palette/avatar.jpg',
css: {
bottom: '40rpx',
left: '40rpx',
borderRadius: '50rpx',
borderWidth: '10rpx',
borderColor: 'yellow',
width: '100rpx',
height: '100rpx',
},
},
{
type: 'qrcode',
content: 'https://github.com/Kujiale-Mobile/Painter',
css: {
bottom: '40rpx',
left: '180rpx',
color: 'red',
borderWidth: '10rpx',
borderColor: 'blue',
width: '120rpx',
height: '120rpx',
},
},
{
type: 'rect',
css: {
bottom: '40rpx',
right: '40rpx',
color: 'radial-gradient(rgba(0, 0, 0, 0) 5%, #0ff 15%, #f0f 60%)',
borderRadius: '20rpx',
borderWidth: '10rpx',
width: '120rpx',
height: '120rpx',
},
},
{
type: 'text',
text: 'borderWidth',
css: {
bottom: '40rpx',
right: '200rpx',
color: 'green',
borderWidth: '2rpx',
},
},
],
});
}
}
const startTop = 50;
const startLeft = 20;
const gapSize = 70;
const common = {
left: `${startLeft}rpx`,
fontSize: '40rpx',
};
function _textDecoration(decoration, index, color) {
return ({
type: 'text',
text: decoration,
css: [{
top: `${startTop + index * gapSize}rpx`,
color: color,
textDecoration: decoration,
}, common],
});
}
function _image(index, rotate, borderRadius) {
return (
{
type: 'image',
url: '/palette/avatar.jpg',
css: {
top: `${startTop + 8.5 * gapSize}rpx`,
left: `${startLeft + 160 * index}rpx`,
width: '120rpx',
height: '120rpx',
shadow: '10rpx 10rpx 5rpx #888888',
rotate: rotate,
borderRadius: borderRadius,
},
}
);
}
function _des(index, content) {
const des = {
type: 'text',
text: content,
css: {
fontSize: '22rpx',
top: `${startTop + 8.5 * gapSize + 140}rpx`,
},
};
if (index === 3) {
des.css.right = '60rpx';
} else {
des.css.left = `${startLeft + 120 * index + 30}rpx`;
}
return des;
}
src/palette/image-example.js 0 → 100644
export default class ImageExample {
palette() {
return ({
width: '654rpx',
height: '1000rpx',
background: '#eee',
views: [
{
type: 'image',
url: '/palette/sky.jpg',
},
{
type: 'text',
text: '未设置height、width时',
css: {
right: '0rpx',
top: '60rpx',
fontSize: '30rpx',
},
},
{
type: 'image',
url: '/palette/sky.jpg',
css: {
width: '200rpx',
height: '200rpx',
top: '230rpx',
},
},
{
type: 'text',
text: "mode: 'aspectFill' 或 无",
css: {
left: '210rpx',
fontSize: '30rpx',
top: '290rpx',
},
},
{
type: 'image',
url: '/palette/sky.jpg',
css: {
width: '200rpx',
height: '200rpx',
mode: 'scaleToFill',
top: '500rpx',
},
},
{
type: 'text',
text: "mode: 'scaleToFill'",
css: {
left: '210rpx',
top: '560rpx',
fontSize: '30rpx',
},
},
{
type: 'image',
url: '/palette/sky.jpg',
css: {
width: '200rpx',
height: 'auto',
top: '750rpx',
},
},
{
type: 'text',
text: '设置height为auto',
css: {
left: '210rpx',
top: '780rpx',
fontSize: '30rpx',
},
},
],
});
}
}
src/palette/shadow-example.js 0 → 100644
export default class ShadowExample {
palette() {
return ({
width: '654rpx',
height: '400rpx',
background: '#eee',
views: [{
type: 'image',
url: '/palette/sky.jpg',
css: {
shadow: '10rpx 10rpx 5rpx #888888',
},
},
{
type: 'rect',
css: {
width: '250rpx',
height: '150rpx',
right: '50rpx',
top: '60rpx',
shadow: '-10rpx 10rpx 5rpx #888888',
color: 'linear-gradient(-135deg, #fedcba 0%, rgba(18, 52, 86, 1) 20%, #987 80%)',
},
},
{
type: 'qrcode',
content: 'https://github.com/Kujiale-Mobile/Painter',
css: {
top: '230rpx',
width: '120rpx',
height: '120rpx',
shadow: '10rpx 10rpx 5rpx #888888',
},
},
{
type: 'text',
text: "shadow: '10rpx 10rpx 5rpx #888888'",
css: {
left: '180rpx',
fontSize: '30rpx',
shadow: '10rpx 10rpx 5rpx #888888',
top: '290rpx',
},
},
],
});
}
}
src/palette/text-example.js 0 → 100644
const text = '锄禾日当午汗滴禾下土谁知盘中餐粒粒皆辛苦';
export default class ImageExample {
palette() {
const views = [];
let tmpText = '';
let index = 0;
for (let i = 0; i < text.length; i++) {
tmpText = `${tmpText}${text[i]}\n`;
if (i % 5 === 4) {
views.push({
type: 'text',
text: tmpText,
css: {
right: `${50 + index}rpx`,
top: '60rpx',
fontSize: '40rpx',
lineHeight: '50rpx',
},
});
index += 50;
tmpText = '';
}
}
return ({
width: '654rpx',
height: '500rpx',
background: '#eee',
views: views,
});
}
}
src/project.config.json
......@@ -39,7 +39,7 @@
"list": []
},
"miniprogram": {
"current": 32,
"current": 33,
"list": [
{
"id": -1,
......@@ -255,6 +255,13 @@
"id": -1,
"name": "我的邀请",
"pathName": "subPackage/page/pages/myInvite/myInvite",
"query": "",
"scene": null
},
{
"id": -1,
"name": "分享",
"pathName": "subPackage/page/pages/share/share",
"scene": null
}
]
......
src/subPackage/page/pages/share/share.js 0 → 100644
import Card from '../../../../palette/card';
// src/pages/xml2can/xml2can.js
Page({
imagePath: '',
/**
* 页面的初始数据
*/
// data: {
// template: {},
// },
data: {
//轮播图
swiperCurrent: 1,
currentTab: 0,
navData: [{
label: '1'
},
{
label: '2'
},
{
label: '3'
},
{
label: '4'
},
{
label: '5'
},
{
label: '6'
},
{
label: '7'
},
{
label: '8'
},
{
label: '9'
}],
arr: [{
images: 'https://images.unsplash.com/photo-1551334787-21e6bd3ab135?w=640'
},
{
images: 'https://ss0.bdstatic.com/70cFvHSh_Q1YnxGkpoWK1HF6hhy/it/u=2854956166,1658664264&fm=26&gp=0.jpg'
},
{
images: 'https://ss0.bdstatic.com/70cFvHSh_Q1YnxGkpoWK1HF6hhy/it/u=2857172539,3231616089&fm=26&gp=0.jpg'
},
{
images: 'https://ss3.bdstatic.com/70cFv8Sh_Q1YnxGkpoWK1HF6hhy/it/u=222247294,2919493301&fm=26&gp=0.jpg'
}
],
indicatorDots: false,
autoplay: false,
interval: 2000,
duration: 1000,
circular: true,
beforeColor: "white",//指示点颜色
afterColor: "coral",//当前选中的指示点颜色
previousmargin: '142rpx',//前边距
nextmargin: '142rpx',//后边距
},
//轮播图的切换事件
swiperChange: function (e) {
console.log(e.detail.current);
this.setData({
swiperCurrent: e.detail.current //获取当前轮播图片的下标
})
},
//滑动图片切换
chuangEvent: function (e) {
this.setData({
swiperCurrent: e.currentTarget.id
})
},
// onImgOK(e) {
// this.imagePath = e.detail.path;
// console.log(e);
// },
// saveImage() {
// wx.saveImageToPhotosAlbum({
// filePath: this.imagePath,
// });
// },
// /**
// * 生命周期函数--监听页面初次渲染完成
// */
// onReady: function () {
// this.setData({
// template: new Card().palette(),
// });
// },
});
\ No newline at end of file
src/subPackage/page/pages/share/share.json 0 → 100644
{
"navigationBarTitleText": "分享",
"usingComponents": {
"painter": "/component/painter/painter"
}
}
\ No newline at end of file
src/subPackage/page/pages/share/share.wxml 0 → 100644
<!--subPackage/page/pages/share/share.wxml-->
<!-- <painter customStyle='margin-left:40rpx' palette="{{template}}" bind:imgOK="onImgOK" />
<button bindtap="saveImage">保存</button> -->
<view class="page-share">
<swiper indicator-dots="{{indicatorDots}}" autoplay="{{autoplay}}" current='{{swiperCurrent}}'
indicator-color="{{beforeColor}}" indicator-active-color="{{afterColor}}" circular='{{circular}}'
previous-margin="{{previousmargin}}" next-margin="{{nextmargin}}" bindchange="swiperChange" >
<block wx:for="{{arr}}" wx:key="key">
<swiper-item class="">
<image class="slide-image {{swiperCurrent == index ? 'active' : ''}}" src="{{item.images}}"
bindchange="chuangEvent" id="{{index}}"></image>
</swiper-item>
</block>
</swiper>
<view class="save-btn">
<button class="btn btn-primary ">保存海报</button>
<view class="save-tips">适用于朋友圈分享</view>
</view>
<view class="tab-sort" wx:if="{{navData}}">
<scroll-view scroll-x class="scroll-view_H" scroll-with-animation="{{true}}">
<block
wx:for="{{navData}}"
wx:for-index="idx"
wx:for-item="navItem"
wx:key="idx"
>
<view
class="scroll-view-item {{currentTab == idx ?'poster-active':''}}"
data-current="{{idx}}"
data-startTimeStr="{{navItem.startTimeStr}}"
data-endTimeStr="{{navItem.endTimeStr}}"
data-btnText="{{navItem.buttonText}}"
data-id="{{navItem.id}}"
bindtap="switchNav"
>
<view>{{navItem.label}}</view>
</view>
</block>
</scroll-view>
</view>
<view class="poster-tips">
<image src="/assets/imgs/7_1_0/poster-tips.png" mode="widthFix"></image>
</view>
</view>
\ No newline at end of file
src/subPackage/page/pages/share/share.wxss 0 → 100644
/* subPackage/page/pages/share/share.wxss */
.banner-swiper {
width: 410rpx;
height: 705rpx;
overflow: hidden;
}
swiper {
display: block;
height: 705rpx;
position: relative;
margin-top: 25rpx;
}
swiper-item{
width: 410rpx;
}
.slide-image {
width: 410rpx;
display: block;
margin: 37rpx auto 0;
height: 619rpx;
box-shadow: 0px 4rpx 17rpx 0px rgba(0, 0, 0, 0.12);
}
.active{
margin-top:0rpx;
height:705rpx !important;
}
.save-btn{
width: 340rpx;
margin: 51rpx auto;
text-align: center;
}
.save-btn button{
width: 340rpx;
height: 80rpx;
border-radius: 40rpx;
line-height: 80rpx;
font-size: 32rpx;
}
.save-btn .save-tips{
color: #666666;
font-size: 22rpx;
margin-top: 12rpx;
}
.tab-sort {
width: 100%;
display: flex;
white-space: nowrap;
box-sizing: border-box;
height: 215rpx;
position: fixed;
bottom: 20rpx;
padding: 0 18rpx 0 18rpx;
}
.scroll-view_H {
width: 100%;
}
.scroll-view-item {
display: inline-block;
width: 125rpx;
height: 215rpx;
background-color: #d8d8d8;
margin-right: 23rpx;
}
.poster-tips{
position: fixed;
bottom: 220rpx;
left: 33rpx;
}
.poster-tips image{
width: 362rpx;
}
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