| Commit message (Collapse) | Author | Age |
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The fallback code does not parse the color type for EXIF-only jpegs.
Since these exist in the wild, we need to find out if they are really
standard YUV or greyscale Jpegs and embed them in PDFs if they are.
BUG=chromium:801430
Change-Id: I93eaf8b8fc22b7169b2fce9520e022b72ad0bf81
Reviewed-on: https://skia-review.googlesource.com/118992
Commit-Queue: Hal Canary <halcanary@google.com>
Reviewed-by: Leon Scroggins <scroggo@google.com>
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GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1842753002
Review URL: https://codereview.chromium.org/1842753002
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drawImage calls now properly embeds the original jpeg.
NOTE: drawBitmap*() calls no longer embed JPEG files when
possible (this is in advance of eliminating bitmaps backed
by encoded data). Chromium has already moved from
drawBitmap to drawImage.
Comparisons:
control:
total PDF drawImage/drawBitmap calls: 8010
total PDF jpeg images: 0
total PDF regular images: 3581
experiament:
total PDF drawImage/drawBitmap calls: 8014
total PDF jpeg images: 271
total PDF regular images: 3311
total PDF regular images: 3582 (271 + 3311)
When comparing rendered output there were perceptual
differences in the following four GMs: colorcube, emboss,
colormatrix, and tablecolorfilter. All of these differences
were improvements (that is, closer to the 8888 rendering)
due fixing a bug with colorfilters and forgetting to call
notifyPixelsChanged.
No SKPs had perceptual differences.
Total PDF size dropped from 133964 kB to 126276 kB, a 5.7%
improvement (mostly due to restoring use of JPG images in
SKPs).
BUG=skia:4370
Review URL: https://codereview.chromium.org/1372783003
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DOCS_PREVIEW= https://skia.org/?cl=1316233002
Review URL: https://codereview.chromium.org/1316233002
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JPEG/JFIF References:
* http://www.w3.org/Graphics/JPEG/itu-t81.pdf
* http://www.w3.org/Graphics/JPEG/jfif3.pdf
BUG=476721
BUG=446940
Review URL: https://codereview.chromium.org/1133443003
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Hal Canary