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* SkPDF: SkPDFGraphicState Lookup hashtabledGravatar halcanary2015-04-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In Release, running `dm --src skp --config pdf`, I get a speedup of about 1.2%. SkPDFGraphicState class: - Holds the subset of SkPaint that maps to a PDF Graphics State - These fields are easily comparable, making hashtable comparisons easy. SkPDFCanon: - findGraphicState() takes a SkPDFGraphicState, not a SkPaint - fGraphicStateRecords is a SkHashSet, not a SkTDArray SkPDFGraphicState: - mode_for_pdf() replaces logic inside equivalent(), but is only called once per lookup. - emitObject() no longer modifies the SkPDFGraphicState to cache the SkPDFDict stucture. (Since it is de-duped, this get no speedup). - Static Functions that don't use the canon return a plain SkPDFDict now. No need for fPopulated. SkTHash.h - SkHashSet::forall added SkPDFDevice; SkPDFShader - Updated for new SkPDFGraphicState interface. BUG=skia:3585 Review URL: https://codereview.chromium.org/1046293002
* PDF: Canon now owns a reference to all interned objectsGravatar halcanary2015-02-27
| | | | | | | | | | | | | Add SkPDFCanon::reset function to unref all objects. No longer possible to remove object from canon Motivation: this doesn't change these object's lifetime, (they will still be fully unrefed when SkDocument::close() is called, but we no longer have to remove them from the array when their destructor is called. Review URL: https://codereview.chromium.org/966863002
* PDF: Now threadsafe!Gravatar halcanary2015-02-20
| | | | | | | | | | | | | The PDF canvas is now just as threadsafe as any other Skia canvas. DM updated to thread PDF tests. SkDocument_PDF now owns SkPDFCanon, and pointers to that canon are passed around to all classes that need access to the canon. BUG=skia:2683 Review URL: https://codereview.chromium.org/944643002
* PDF : New factory function for SkPDFDeviceGravatar halcanary2015-02-20
| | | | | | SkPDFDevice now has factory function that matches what callers need. Review URL: https://codereview.chromium.org/941023005
* PDF: Add (low-memory) SkPDFBitmap classGravatar halcanary2015-02-18
| | | | | | | | | | | | | | | | | | | | | Also: Add SkDeflateWStream and associated unit tests. SkPDFBitmap is a replacement for SkPDFImage. As of now, it only supports 8888 bitmaps (the most common case). SkPDFBitmap takes very little extra memory (aside from refing the bitmap's pixels), and its emitObject() does not cache any data. The SkPDFBitmap::Create function will check the canon for duplicates. This can reduce the size of the output PDF. Motivation: this gives another ~40% decrease in PDF memory overhead TODO: Support other ColorTypes and scrap SkPDFImage. BUG=skia:3030 Review URL: https://codereview.chromium.org/918813002
* More changes to SkPDFShader to eliminate multiple inheritance!Gravatar halcanary2015-01-23
| | | | Review URL: https://codereview.chromium.org/873543002
* SkPDFCanonGravatar halcanary2015-01-21
SkPDFCanon's fields and methods will eventually become part of SkPDFDocument/SkDocument_PDF. For now, it exists as a singleton to preflight that transition. This replaces three global arrays in SkPDFFont, SkPDFShader, and SkPDFGraphicsContext. This code is still thread-unsafe (http://skbug.com/2683), but moving this functionality into SkPDFDocument will fix that. This CL does not change pdf output from either GMs or SKPs. This change also simplifies some code around the SkPDFCanon methods. BUG=skia:2683 Review URL: https://codereview.chromium.org/842253003