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I'm having rect inside svg and rect is filled with some pattern. This pattern is just png image. Zooming this rect work fantastic in FireFox, Safari etc, but not in Chrome and Chromium. Chrome is making this image a little bit blurry. I was searching for similiar problems, but i need svg, rect, pattern to be 100% width and height... it is they need to be 100% of container size and not some fixed size. I created fiddle to see the effect: http://jsfiddle.net/j5gfjnpd/2/
<div style="width: 100vw; height: 100vh">
<svg width="100%" height="100%" xmlns="http://www.w3.org/2000/svg" version="1.1" xmlns:xlink="http://www.w3.org/1999/xlink">
<g>
<defs>
<pattern id="floor" viewBox="0 0 3508 4962" width="100%" height="100%" patternContentUnits="objectBoundingBox" preserveAspectRatio="xMidYMid meet">
<image id="test" width="3508" height="4962" preserveAspectRatio="xMinYMin meet"></image>
</pattern>
</defs>
<g id="mapZoom">
<rect width="100%" height="100%" fill="url(#floor)">
</rect>
</g>
</g>
</svg>
</div>
To see this effect you have to zoom-scroll the image and search for some small captions. In Chrome they are blurried and in FireFox they are really clean and nice.
Is there some fix to this, because i'm losing my head trying to fix this. I will be really happy to see some help. Thanks in advance
353
The issue of blurriness arises when you upload an image that has the exact pixel dimensions of the space you are targeting. The exact reason has to do with the resolution of modern screens.
Solution. It seems the solution is to set the desired size of your SVG in your editing program and then make certain all of your pixels align to the grid. This will still allow your SVG to scale up but will also allow it to render at the smaller size.
If your svg contains straight horizontal and vertical lines, they may seem to blur or sharpen randomly as you zoom in and out, as they have to pick the optimum set of pixels on your screen, though that's a general browser thing, not a Safari thing.
My best guess is that the zoom is being done on the GPU by Chrome, in which case, it's not re-rasterizing the jpg, it's just doing pixel interpolation when it scales the asset. AFAIK, there is no reliable way to kick Chrome to re-rasterize, but you can try doing it by adding a transition/animation that can't be performed on the GPU (something that's not a scale/skew/position transform or opacity).
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