acdr-ui/dist/dev/mp-weixin/uni_modules/lime-painter/components/l-painter/l-painter.js

404 lines
14 KiB
JavaScript

"use strict";
var __async = (__this, __arguments, generator) => {
return new Promise((resolve, reject) => {
var fulfilled = (value) => {
try {
step(generator.next(value));
} catch (e) {
reject(e);
}
};
var rejected = (value) => {
try {
step(generator.throw(value));
} catch (e) {
reject(e);
}
};
var step = (x) => x.done ? resolve(x.value) : Promise.resolve(x.value).then(fulfilled, rejected);
step((generator = generator.apply(__this, __arguments)).next());
});
};
const common_vendor = require("../../../../common/vendor.js");
const uni_modules_limePainter_components_common_relation = require("../common/relation.js");
const uni_modules_limePainter_components_lPainter_props = require("./props.js");
const uni_modules_limePainter_components_lPainter_utils = require("./utils.js");
const uni_modules_limePainter_components_lPainter_painter = require("./painter.js");
const nvue = {};
const _sfc_main = {
name: "lime-painter",
mixins: [uni_modules_limePainter_components_lPainter_props.props, uni_modules_limePainter_components_common_relation.parent("painter"), nvue],
data() {
return {
use2dCanvas: false,
canvasHeight: 150,
canvasWidth: null,
parentWidth: 0,
inited: false,
progress: 0,
firstRender: 0,
done: false,
tasks: []
};
},
computed: {
styles() {
return `${this.size}${this.customStyle || ""};` + (this.hidden && "position: fixed; left: 1500rpx;");
},
canvasId() {
return `l-painter${this._ && this._.uid || this._uid}`;
},
size() {
if (this.boardWidth && this.boardHeight) {
return `width:${this.boardWidth}px; height: ${this.boardHeight}px;`;
}
},
dpr() {
return this.pixelRatio || common_vendor.index.getSystemInfoSync().pixelRatio;
},
boardWidth() {
const { width = 0 } = this.elements && this.elements.css || this.elements || this;
const w = uni_modules_limePainter_components_lPainter_utils.toPx(width || this.width);
return w || Math.max(w, uni_modules_limePainter_components_lPainter_utils.toPx(this.canvasWidth));
},
boardHeight() {
const { height = 0 } = this.elements && this.elements.css || this.elements || this;
const h = uni_modules_limePainter_components_lPainter_utils.toPx(height || this.height);
return h || Math.max(h, uni_modules_limePainter_components_lPainter_utils.toPx(this.canvasHeight));
},
hasBoard() {
return this.board && Object.keys(this.board).length;
},
elements() {
return this.hasBoard ? this.board : JSON.parse(JSON.stringify(this.el));
}
},
created() {
this.use2dCanvas = this.type === "2d" && uni_modules_limePainter_components_lPainter_utils.canIUseCanvas2d() && !uni_modules_limePainter_components_lPainter_utils.isPC;
},
mounted() {
return __async(this, null, function* () {
yield uni_modules_limePainter_components_lPainter_utils.sleep(30);
yield this.getParentWeith();
this.$nextTick(() => {
setTimeout(() => {
this.$watch("elements", this.watchRender, {
deep: true,
immediate: true
});
}, 30);
});
});
},
unmounted() {
this.done = false;
this.inited = false;
this.firstRender = 0;
this.progress = 0;
this.painter = null;
clearTimeout(this.rendertimer);
},
methods: {
watchRender(val, old) {
return __async(this, null, function* () {
if (!val || !val.views || (!this.firstRender ? !val.views.length : !this.firstRender) || !Object.keys(val).length || JSON.stringify(val) == JSON.stringify(old))
return;
this.firstRender = 1;
this.progress = 0;
this.done = false;
clearTimeout(this.rendertimer);
this.rendertimer = setTimeout(() => {
this.render(val);
}, this.beforeDelay);
});
},
setFilePath(path, param) {
return __async(this, null, function* () {
let filePath = path;
const { pathType = this.pathType } = param || this;
if (pathType == "base64" && !uni_modules_limePainter_components_lPainter_utils.isBase64(path)) {
filePath = yield uni_modules_limePainter_components_lPainter_utils.pathToBase64(path);
} else if (pathType == "url" && uni_modules_limePainter_components_lPainter_utils.isBase64(path)) {
filePath = yield uni_modules_limePainter_components_lPainter_utils.base64ToPath(path);
}
if (param && param.isEmit) {
this.$emit("success", filePath);
}
return filePath;
});
},
getSize(args) {
return __async(this, null, function* () {
const { width } = args.css || args;
const { height } = args.css || args;
if (!this.size) {
if (width || height) {
this.canvasWidth = width || this.canvasWidth;
this.canvasHeight = height || this.canvasHeight;
yield uni_modules_limePainter_components_lPainter_utils.sleep(30);
} else {
yield this.getParentWeith();
}
}
});
},
canvasToTempFilePathSync(args) {
this.tasks.push(args);
if (this.done) {
this.runTask();
}
},
runTask() {
while (this.tasks.length) {
const task = this.tasks.shift();
this.canvasToTempFilePath(task);
}
},
getParentWeith() {
return new Promise((resolve) => {
common_vendor.index.createSelectorQuery().in(this).select(`.lime-painter`).boundingClientRect().exec((res) => {
const { width, height } = res[0] || {};
this.parentWidth = Math.ceil(width || 0);
this.canvasWidth = this.parentWidth || 300;
this.canvasHeight = height || this.canvasHeight || 150;
resolve(res[0]);
});
});
},
render() {
return __async(this, arguments, function* (args = {}) {
if (!Object.keys(args).length) {
return console.error("空对象");
}
this.progress = 0;
this.done = false;
yield this.getSize(args);
const ctx = yield this.getContext();
let { use2dCanvas, boardWidth, boardHeight, canvas, afterDelay } = this;
if (use2dCanvas && !canvas) {
return Promise.reject(new Error("canvas 没创建"));
}
this.boundary = {
top: 0,
left: 0,
width: boardWidth,
height: boardHeight
};
this.painter = null;
if (!this.painter) {
const { width } = args.css || args;
args.css || args;
if (!width && this.parentWidth) {
Object.assign(args, { width: this.parentWidth });
}
const param = {
context: ctx,
canvas,
width: boardWidth,
height: boardHeight,
pixelRatio: this.dpr,
useCORS: this.useCORS,
createImage: uni_modules_limePainter_components_lPainter_utils.getImageInfo.bind(this),
performance: this.performance,
listen: {
onProgress: (v) => {
this.progress = v;
this.$emit("progress", v);
},
onEffectFail: (err) => {
this.$emit("faill", err);
}
}
};
this.painter = new uni_modules_limePainter_components_lPainter_painter.kt(param);
}
try {
const { width, height } = yield this.painter.source(JSON.parse(JSON.stringify(args)));
this.boundary.height = this.canvasHeight = height;
this.boundary.width = this.canvasWidth = width;
yield uni_modules_limePainter_components_lPainter_utils.sleep(this.sleep);
yield this.painter.render();
yield new Promise((resolve) => this.$nextTick(resolve));
if (!use2dCanvas) {
yield this.canvasDraw();
}
if (afterDelay && use2dCanvas) {
yield uni_modules_limePainter_components_lPainter_utils.sleep(afterDelay);
}
this.$emit("done");
this.done = true;
if (this.isCanvasToTempFilePath) {
this.canvasToTempFilePath().then((res) => {
this.$emit("success", res.tempFilePath);
}).catch((err) => {
this.$emit("fail", new Error(JSON.stringify(err)));
});
}
this.runTask();
return Promise.resolve({
ctx,
draw: this.painter,
node: this.node
});
} catch (e) {
}
});
},
canvasDraw(flag = false) {
return new Promise(
(resolve, reject) => this.ctx.draw(flag, () => setTimeout(() => resolve(), this.afterDelay))
);
},
getContext() {
return __async(this, null, function* () {
if (!this.canvasWidth) {
this.$emit("fail", "painter no size");
console.error("[lime-painter]: 给画板或父级设置尺寸");
return Promise.reject();
}
if (this.ctx && this.inited) {
return Promise.resolve(this.ctx);
}
const { type, use2dCanvas, dpr, boardWidth, boardHeight } = this;
const _getContext = () => {
return new Promise((resolve) => {
common_vendor.index.createSelectorQuery().in(this).select(`#${this.canvasId}`).boundingClientRect().exec((res) => {
if (res) {
const ctx = common_vendor.index.createCanvasContext(this.canvasId, this);
if (!this.inited) {
this.inited = true;
this.use2dCanvas = false;
this.canvas = res;
}
if (!ctx.measureText) {
let strLen = function(str) {
let len = 0;
for (let i = 0; i < str.length; i++) {
if (str.charCodeAt(i) > 0 && str.charCodeAt(i) < 128) {
len++;
} else {
len += 2;
}
}
return len;
};
ctx.measureText = (text) => {
let fontSize = ctx.state && ctx.state.fontSize || 12;
const font = ctx.__font;
if (font && fontSize == 12) {
fontSize = parseInt(font.split(" ")[3], 10);
}
fontSize /= 2;
return {
width: strLen(text) * fontSize
};
};
}
this.ctx = ctx;
resolve(this.ctx);
} else {
console.error("[lime-painter] no node");
}
});
});
};
if (!use2dCanvas) {
return _getContext();
}
return new Promise((resolve) => {
common_vendor.index.createSelectorQuery().in(this).select(`#${this.canvasId}`).node().exec((res) => {
let { node: canvas } = res && res[0] || {};
if (canvas) {
const ctx = canvas.getContext(type);
if (!this.inited) {
this.inited = true;
this.use2dCanvas = true;
this.canvas = canvas;
}
this.ctx = ctx;
resolve(this.ctx);
} else {
console.error("[lime-painter]: no size");
}
});
});
});
},
canvasToTempFilePath(args = {}) {
return new Promise((resolve, reject) => __async(this, null, function* () {
const { use2dCanvas, canvasId, dpr, fileType, quality } = this;
const success = (res) => __async(this, null, function* () {
try {
const tempFilePath = yield this.setFilePath(res.tempFilePath || res, args);
const result = Object.assign(res, { tempFilePath });
args.success && args.success(result);
resolve(result);
} catch (e) {
this.$emit("fail", e);
}
});
this.boundary || this;
const copyArgs = Object.assign(
{
// x,
// y,
// width,
// height,
// destWidth,
// destHeight,
canvasId,
id: canvasId,
fileType,
quality
},
args,
{ success }
);
if (use2dCanvas) {
copyArgs.canvas = this.canvas;
try {
const oFilePath = this.canvas.toDataURL(
`image/${args.fileType || fileType}`.replace(/pg/, "peg"),
args.quality || quality
);
if (/data:,/.test(oFilePath)) {
common_vendor.index.canvasToTempFilePath(copyArgs, this);
} else {
const tempFilePath = yield this.setFilePath(oFilePath, args);
args.success && args.success({ tempFilePath });
resolve({ tempFilePath });
}
} catch (e) {
args.fail && args.fail(e);
reject(e);
}
} else {
common_vendor.index.canvasToTempFilePath(copyArgs, this);
}
}));
}
}
};
function _sfc_render(_ctx, _cache, $props, $setup, $data, $options) {
return common_vendor.e({
a: $options.canvasId && $options.size
}, $options.canvasId && $options.size ? common_vendor.e({
b: $data.use2dCanvas
}, $data.use2dCanvas ? {
c: $options.canvasId,
d: common_vendor.s($options.size)
} : {
e: $options.canvasId,
f: $options.canvasId,
g: common_vendor.s($options.size),
h: $options.boardWidth * $options.dpr,
i: $options.boardHeight * $options.dpr,
j: _ctx.hidpi
}, {
k: common_vendor.s($options.styles)
}) : {});
}
const Component = /* @__PURE__ */ common_vendor._export_sfc(_sfc_main, [["render", _sfc_render]]);
wx.createComponent(Component);
//# sourceMappingURL=l-painter.js.map