37117 2010-04-05 15:29:41 -0700 Add platform-independent JPEG/PNG image encoders 2010-09-16 07:55:38 -0700 1 1 1 Unclassified WebKit WebCore Misc. 528+ (Nightly build) All All RESOLVED FIXED P2 Minor --- 1 yong.li.webkit yong.li.webkit commit-queue jpetsovits manyoso staikos webkit.review.bot oldest_to_newest 208740 0 yong.li.webkit 2010-04-05 15:29:41 -0700 1. Add platform-independent JPEG/PNG image encoders 2. Implement toDataURL for ImageBufferOpenVG with platform-independent code 209057 1 52642 yong.li.webkit 2010-04-06 08:34:13 -0700 Created attachment 52642 the patch 209060 2 webkit.review.bot 2010-04-06 08:38:45 -0700 Attachment 52642 did not pass style-queue: Failed to run "WebKitTools/Scripts/check-webkit-style" exit_code: 1 WebCore/platform/image-encoders/PNGImageEncoder.h:21: #ifndef header guard has wrong style, please use: PNGImageEncoder_h [build/header_guard] [5] WebCore/platform/image-encoders/PNGImageEncoder.h:27: Code inside a namespace should not be indented. [whitespace/indent] [4] WebCore/platform/image-encoders/PNGImageEncoder.cpp:50: This { should be at the end of the previous line [whitespace/braces] [4] WebCore/platform/image-encoders/PNGImageEncoder.cpp:129: One space before end of line comments [whitespace/comments] [5] WebCore/platform/image-encoders/JPEGImageEncoder.h:22: #ifndef header guard has wrong style, please use: JPEGImageEncoder_h [build/header_guard] [5] WebCore/platform/image-encoders/JPEGImageEncoder.h:28: Code inside a namespace should not be indented. [whitespace/indent] [4] WebCore/platform/image-encoders/JPEGImageEncoder.cpp:28: Alphabetical sorting problem. [build/include_order] [4] WebCore/platform/image-encoders/JPEGImageEncoder.cpp:34: This { should be at the end of the previous line [whitespace/braces] [4] WebCore/platform/image-encoders/JPEGImageEncoder.cpp:47: This { should be at the end of the previous line [whitespace/braces] [4] WebCore/platform/image-encoders/JPEGImageEncoder.cpp:83: Declaration has space between type name and * in JPEGCompressErrorMgr *err [whitespace/declaration] [3] Total errors found: 10 in 5 files If any of these errors are false positives, please file a bug against check-webkit-style. 209076 3 52646 yong.li.webkit 2010-04-06 09:34:02 -0700 Created attachment 52646 fix style errors 209078 4 webkit.review.bot 2010-04-06 09:39:18 -0700 Attachment 52646 did not pass style-queue: Failed to run "WebKitTools/Scripts/check-webkit-style" exit_code: 1 WebCore/platform/image-encoders/JPEGImageEncoder.cpp:28: Alphabetical sorting problem. [build/include_order] [4] Total errors found: 1 in 5 files If any of these errors are false positives, please file a bug against check-webkit-style. 209087 5 yong.li.webkit 2010-04-06 09:57:27 -0700 (In reply to comment #4) > Attachment 52646 [details] did not pass style-queue: > > Failed to run "WebKitTools/Scripts/check-webkit-style" exit_code: 1 > WebCore/platform/image-encoders/JPEGImageEncoder.cpp:28: Alphabetical sorting > problem. [build/include_order] [4] > Total errors found: 1 in 5 files > > > If any of these errors are false positives, please file a bug against > check-webkit-style. this style error is a must. we cannot avoid this 240459 6 52646 abarth 2010-06-20 10:15:58 -0700 Comment on attachment 52646 fix style errors This code is nutty, but I think the image decoder libraries force you into some of this nuttiness. Some nits below. Please get pkasting to give your revised patch an informal review. WebCore/platform/image-encoders/JPEGImageEncoder.cpp:39 + jpeg_destination_mgr* base = this; Woah, crazy. Is this what we're supposed to do here? WebCore/platform/image-encoders/JPEGImageEncoder.cpp:50 + // Zero memory I like the static cast trick you did above. Can we do that here? In principle, we can get in trouble with this code if we add virtual functions to this class. WebCore/platform/image-encoders/JPEGImageEncoder.cpp:61 + dest->next_output_byte = reinterpret_cast<JOCTET*>(dest->m_buffer.data()); We don't usually align the = sign. We just have once space. WebCore/platform/image-encoders/JPEGImageEncoder.cpp:59 + JPEGDestinationManager* dest = (JPEGDestinationManager*)compressData->dest; Please use a C++ style cast like you do below. WebCore/platform/image-encoders/JPEGImageEncoder.cpp:83 + longjmp(err->m_setjmpBuffer, -1); Crazy! WebCore/platform/image-encoders/JPEGImageEncoder.cpp:88 + struct jpeg_compress_struct compressData= { 0 }; Missing space before = WebCore/platform/image-encoders/JPEGImageEncoder.cpp:109 + Vector<JSAMPLE, 600 * 3> rowBuffer; No space around * WebCore/platform/image-encoders/JPEGImageEncoder.cpp:108 + // rowBuffer must be defined here so that its destructor is always called even when "setjmp" catches an error. setjmp/longjmp are insane, especially when mixed with C++ constructs. WebCore/platform/image-encoders/JPEGImageEncoder.h:21 + Extra blank line here. WebCore/platform/image-encoders/PNGImageEncoder.cpp:51 + Vector<char>* m_out; Why is this called m_out but the corresponding variable for JPEG is called m_dump? WebCore/platform/image-encoders/PNGImageEncoder.cpp:62 + memcpy(&(*state->m_out)[oldSize], data, size); &(*state->m_out)[oldSize] is too hard to understand. Please use temporary variables to explain what this insanity does. WebCore/platform/image-encoders/PNGImageEncoder.cpp:87 + png_struct* pngPtr = png_create_write_struct(PNG_LIBPNG_VER_STRING, We usually put these sorts of things on one line. 242052 7 yong.li.webkit 2010-06-23 13:23:59 -0700 (In reply to comment #6) > (From update of attachment 52646 [details]) > This code is nutty, but I think the image decoder libraries force you into some of this nuttiness. Some nits below. Please get pkasting to give your revised patch an informal review. > > WebCore/platform/image-encoders/JPEGImageEncoder.cpp:39 > + jpeg_destination_mgr* base = this; > Woah, crazy. Is this what we're supposed to do here? > > WebCore/platform/image-encoders/JPEGImageEncoder.cpp:50 > + // Zero memory > I like the static cast trick you did above. Can we do that here? In principle, we can get in trouble with this code if we add virtual functions to this class. This doesn't need a static cast because it casts from child class to the parent class. Implicit cast is safer than static cast in most cases. No matter we add virtual functions to the class or add another parent class, "base" is always pointing to a good jpeg_destination_mgr object. > WebCore/platform/image-encoders/JPEGImageEncoder.cpp:83 > + longjmp(err->m_setjmpBuffer, -1); > Crazy! :) Yes it is. I don't like it either. But it's the way to handle libjpeg error. JPEG decoder also uses this. > WebCore/platform/image-encoders/JPEGImageEncoder.cpp:109 > + Vector<JSAMPLE, 600 * 3> rowBuffer; > No space around * Are you sure? I don't think check-webkit-style will accept 600*3 with no spaces. Thanks a lot for reviewing! I'll update the patch according to your suggestions. 242053 8 59557 yong.li.webkit 2010-06-23 13:24:29 -0700 Created attachment 59557 Updated again 242054 9 webkit.review.bot 2010-06-23 13:29:12 -0700 Attachment 59557 did not pass style-queue: Failed to run "['WebKitTools/Scripts/check-webkit-style', '--no-squash']" exit_code: 1 WebCore/platform/image-encoders/JPEGImageEncoder.cpp:28: Alphabetical sorting problem. [build/include_order] [4] Total errors found: 1 in 5 files If any of these errors are false positives, please file a bug against check-webkit-style. 242635 10 yong.li.webkit 2010-06-24 13:09:14 -0700 (In reply to comment #9) > Attachment 59557 [details] did not pass style-queue: > Failed to run "['WebKitTools/Scripts/check-webkit-style', '--no-squash']" exit_code: 1 > WebCore/platform/image-encoders/JPEGImageEncoder.cpp:28: Alphabetical sorting problem. [build/include_order] [4] > Total errors found: 1 in 5 files > If any of these errors are false positives, please file a bug against check-webkit-style. we cannot avoid this 279644 11 59557 staikos 2010-09-15 11:54:20 -0700 Comment on attachment 59557 Updated again Will need a retest since it's so old. 280015 12 59557 commit-queue 2010-09-16 04:48:03 -0700 Comment on attachment 59557 Updated again Clearing flags on attachment: 59557 Committed r67606: <http://trac.webkit.org/changeset/67606> 280016 13 commit-queue 2010-09-16 04:48:09 -0700 All reviewed patches have been landed. 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