vg_common_svg: Gradient stop color use premultiplied color.
Summary:
The parsed color is straight color.
evas use premultiplied color.
Test Plan:
Sample SVG
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100">
<defs>
<linearGradient id="linearGradient1" x1="0" y1="0" x2="0.2" y2="0.2" spreadMethod="reflect">
<stop style="stop-color:#ff0000;stop-opacity:1;" offset="0"/>
<stop style="stop-color:#0000ff;stop-opacity:1;" offset="1"/>
</linearGradient>
<radialGradient id="radialGradient222" r="0.2" cx="0.3" cy="0.3" spreadMethod="reflect">
<stop style="stop-color:#ffFF00;stop-opacity:0.1;" offset="0"/>
<stop style="stop-color:#00FFff;stop-opacity:1;" offset="1"/>
</radialGradient>
<radialGradient id="radialGradient333" r="0.2" cx="0.3" cy="0.3" spreadMethod="reflect">
<stop style="stop-color:#00FF00;stop-opacity:0.1;" offset="0"/>
<stop style="stop-color:#FF00ff;stop-opacity:1;" offset="1"/>
</radialGradient>
</defs>
<rect x="0" y="0" width="100" height="100" fill="url(#linearGradient1)"/>
<rect x="50" y="50" width="50" height="50" fill="url(#radialGradient222)"/>
<rect x="0" y="0" width="50" height="50" fill="url(#radialGradient333)"/>
</svg>
Reviewers: Hermet, kimcinoo, smohanty
Reviewed By: Hermet
Subscribers: cedric, #reviewers, #committers
Tags: #efl
Differential Revision: https://phab.enlightenment.org/D9338
Change-Id: Ifcc1d6b94aab190494afa4f1800e2ed7cf2ffaed