93 lines
2.2 KiB
Vue
93 lines
2.2 KiB
Vue
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<template>
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<view>
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<canvas canvas-id="splashCanvas"
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style="width: 160px; height: 80px; z-index: 9999;position: fixed; visibility: visible;top: 0px;left:0px;"
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</canvas>
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<qf-image-cropper :src="src" :showAngle="false" :width="1600" :height="800" fileType="jpg"
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@crop="handleCrop" :gpu="true">
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</qf-image-cropper>
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</view>
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</template>
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<script>
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import QfImageCropper from '@/uni_modules/qf-image-cropper/components/qf-image-cropper/qf-image-cropper.vue';
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export default {
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components: {
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QfImageCropper
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},
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data() {
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return {
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src:"",
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Statu: false
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}
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},
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onLoad:function(option){
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const eventChannel = this.getOpenerEventChannel();
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var these=this;
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eventChannel.on('checkImg', function(data) {
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console.log("我收到你的消息了，消息内容是："+JSON.stringify(data));
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these.src=data.data;
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})
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},
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methods: {
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handleCrop(e) {
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var these=this;
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this.Statu = true;
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console.log("裁剪完成");
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console.log(e.tempFilePath);
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const ctx = uni.createCanvasContext('splashCanvas', these);
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console.log("1111111");
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// 绘制图片到canvas
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ctx.drawImage(e.tempFilePath, 0, 0, 160, 80);
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console.log("22222");
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ctx.draw(false, () => {
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// 获取canvas像素数据
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console.log("444444");
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setTimeout(() => {
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uni.canvasGetImageData({
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canvasId: 'splashCanvas',
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x: 0,
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y: 0,
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width: 160,
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height: 80,
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success: (res) => {
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// 处理像素数据并发送
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console.log("res.data.length="+res.data.length);
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// this.processAndSendImageData(res.data).then(
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// resolve).catch(reject);
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const eventChannel = these.getOpenerEventChannel();
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eventChannel.emit('ImgCutOver',res.data);
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uni.navigateBack();
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},
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fail: (err) => {
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reject(`获取canvas数据失败: ${err.errMsg}`);
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}
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});
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}, 500); // 等待canvas绘制完成
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});
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console.log("333333");
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}
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}
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}
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</script>
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<style>
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.canvas {
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width: 1600px;
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height: 800px;
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border: 1px solid #ccc;
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}
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</style>
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