Tag：density
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Time：2020-10-27
wx.canvasToTempFilePath As we all know, wechat canvas needs to call this interface to generate images. If this interface wants to generate high-definition images, it needs to solve the problem of font blurdestWidth * dpr。 The width and height of the original canvas is too largedestWidth * dprThe width and height of destwidth will be too […]
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Time：2020-5-3
It’s a shame that the front end who has been working for so many years doesn’t know the srcset and size attributes of img. <img srcset=”middle.jpg 800w, big.jpg 1400w, small.jpg 1x” /> The srcset attribute of the IMG element is used by the browser according to the width（w）, high（h）And pixel density（x）To load the corresponding image […]
