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I have trouble applying all transformations matrices in svg file. If file contains only paths, and without gradients - all works fine. But after adding and applying gradientTransform to linearGradient causes rendering errors.
Algorithm:
- multiply group and path matrices
- multiply path transform whith linked linearGradient gradientTransform
- apply transform to path
- apply gradientTransform to linearGradient
Input file:
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 128 128" xmlns:xlink="http://www.w3.org/1999/xlink">
<defs>
<linearGradient id="linearGradient3755">
<stop offset="0" />
<stop offset="1" stop-opacity="0" />
</linearGradient>
<linearGradient id="linearGradient3761" xlink:href="#linearGradient3755" x1="16.162441" y1="66.128159" x2="117.17769" y2="66.128159" gradientUnits="userSpaceOnUse" />
</defs>
<g transform="translate(0,-924.36218)">
<g transform="matrix(0.95516166,-0.46694301,0.71994792,0.61949768,-706.90347,408.6637)">
<path d="M 2.1428571,3 L 126.07143,3 L 126.07143,123 L 2.1428571,123 z" transform="translate(0,924.36218)" style="fill:#ff0000;fill-opacity:1;stroke:none" />
<path d="M 16.162441,21.428905 L 117.17769,21.428905 L 117.17769,110.8274 L 16.162441,110.8274 z" transform="matrix(0.96592583,-0.25881905,0.25881905,0.96592583,-17.36888,938.82017)" style="fill:url(#linearGradient3761);fill-opacity:1;stroke:none" />
</g>
</g>
</svg>Output file: