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<base href="https://bugs.documentfoundation.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_UNCONFIRMED "
title="UNCONFIRMED - Skia engine leaves scaled raster images far blurrier than does hardware rendering"
href="https://bugs.documentfoundation.org/show_bug.cgi?id=134352">134352</a>
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<th>Summary</th>
<td>Skia engine leaves scaled raster images far blurrier than does hardware rendering
</td>
</tr>
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<th>Product</th>
<td>LibreOffice
</td>
</tr>
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<th>Version</th>
<td>7.0.0.0.beta1+
</td>
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<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>UNCONFIRMED
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>Draw
</td>
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<th>Assignee</th>
<td>libreoffice-bugs@lists.freedesktop.org
</td>
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<th>Reporter</th>
<td>mwtjunkmail@gmail.com
</td>
</tr></table>
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<pre>Description:
This <a href="https://i.imgur.com/0NP4IJ8.png">https://i.imgur.com/0NP4IJ8.png</a> is three exports from the same LO Draw
document.
The top image is output using hardware rendering with anti-aliasing.
The middle image is output using SKIA without anti-aliasing.
The bottom image is output using SKIA with anti-aliasing.
I have always been used to the output quality of the top image. I'm quite
surprised of the level of degradation in scaling SKIA puts out.
Steps to Reproduce:
1. Launch LO Draw
2. Import or copy/paste a large raster image
3. Scale the image down until it's about 1/4 to 1/5 the original size
4. Export a PNG three times using different output methods
4a. hardware with anti-aliasing
4b. Skia with anti-aliasing
4c. Skia without anti-aliasing
Actual Results:
Only the hardware rendering option produced a crisp image. Skia-rendered scaled
raster images are unacceptably blurry
Expected Results:
The skia output option should produce as equally crisp images as hardware
rendering.
Reproducible: Always
User Profile Reset: No
Additional Info:
Version: 7.0.0.0.beta2 (x64)
Build ID: 1c213561a365b5666167321de68c9977500c9612
CPU threads: 8; OS: Windows 10.0 Build 20152; UI render: default; VCL: win
Locale: en-US (en_US); UI: en-US
Calc: CL</pre>
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