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Side by Side Diff: src/pipe/SkGPipeRead.cpp

Issue 14230022: Fixes for piping bitmaps with encoded data. (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: Created 7 years, 7 months ago
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1 1
2 /* 2 /*
3 * Copyright 2011 Google Inc. 3 * Copyright 2011 Google Inc.
4 * 4 *
5 * Use of this source code is governed by a BSD-style license that can be 5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file. 6 * found in the LICENSE file.
7 */ 7 */
8 8
9 9
10 #include "SkBitmapHeap.h" 10 #include "SkBitmapHeap.h"
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125 } 125 }
126 126
127 void addBitmap(int index) { 127 void addBitmap(int index) {
128 SkBitmap* bm; 128 SkBitmap* bm;
129 if(fBitmaps.count() == index) { 129 if(fBitmaps.count() == index) {
130 bm = SkNEW(SkBitmap); 130 bm = SkNEW(SkBitmap);
131 *fBitmaps.append() = bm; 131 *fBitmaps.append() = bm;
132 } else { 132 } else {
133 bm = fBitmaps[index]; 133 bm = fBitmaps[index];
134 } 134 }
135 bm->unflatten(*fReader); 135 fReader->readBitmap(bm);
136 } 136 }
137 137
138 /** 138 /**
139 * Override of SkBitmapHeapReader, so that SkOrderedReadBuffer can use 139 * Override of SkBitmapHeapReader, so that SkOrderedReadBuffer can use
140 * these SkBitmaps for bitmap shaders. 140 * these SkBitmaps for bitmap shaders.
141 */ 141 */
142 virtual SkBitmap* getBitmap(int32_t index) const SK_OVERRIDE { 142 virtual SkBitmap* getBitmap(int32_t index) const SK_OVERRIDE {
143 return fBitmaps[index]; 143 return fBitmaps[index];
144 } 144 }
145 145
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765 SkSafeUnref(fSharedHeap); 765 SkSafeUnref(fSharedHeap);
766 } 766 }
767 767
768 /////////////////////////////////////////////////////////////////////////////// 768 ///////////////////////////////////////////////////////////////////////////////
769 769
770 #include "SkGPipe.h" 770 #include "SkGPipe.h"
771 771
772 SkGPipeReader::SkGPipeReader() { 772 SkGPipeReader::SkGPipeReader() {
773 fCanvas = NULL; 773 fCanvas = NULL;
774 fState = NULL; 774 fState = NULL;
775 fProc = NULL;
775 } 776 }
776 777
777 SkGPipeReader::SkGPipeReader(SkCanvas* target) { 778 SkGPipeReader::SkGPipeReader(SkCanvas* target) {
778 fCanvas = NULL; 779 fCanvas = NULL;
779 this->setCanvas(target); 780 this->setCanvas(target);
780 fState = NULL; 781 fState = NULL;
782 fProc = NULL;
781 } 783 }
782 784
783 void SkGPipeReader::setCanvas(SkCanvas *target) { 785 void SkGPipeReader::setCanvas(SkCanvas *target) {
784 SkRefCnt_SafeAssign(fCanvas, target); 786 SkRefCnt_SafeAssign(fCanvas, target);
785 } 787 }
786 788
787 SkGPipeReader::~SkGPipeReader() { 789 SkGPipeReader::~SkGPipeReader() {
788 SkSafeUnref(fCanvas); 790 SkSafeUnref(fCanvas);
789 delete fState; 791 delete fState;
790 } 792 }
791 793
792 SkGPipeReader::Status SkGPipeReader::playback(const void* data, size_t length, 794 SkGPipeReader::Status SkGPipeReader::playback(const void* data, size_t length,
793 uint32_t playbackFlags, size_t* by tesRead) { 795 uint32_t playbackFlags, size_t* by tesRead) {
794 if (NULL == fCanvas) { 796 if (NULL == fCanvas) {
795 return kError_Status; 797 return kError_Status;
796 } 798 }
797 799
798 if (NULL == fState) { 800 if (NULL == fState) {
799 fState = new SkGPipeState; 801 fState = new SkGPipeState;
800 } 802 }
801 803
802 fState->setSilent(playbackFlags & kSilent_PlaybackFlag); 804 fState->setSilent(playbackFlags & kSilent_PlaybackFlag);
803 805
804 SkASSERT(SK_ARRAY_COUNT(gReadTable) == (kDone_DrawOp + 1)); 806 SkASSERT(SK_ARRAY_COUNT(gReadTable) == (kDone_DrawOp + 1));
805 807
806 const ReadProc* table = gReadTable; 808 const ReadProc* table = gReadTable;
807 SkOrderedReadBuffer reader(data, length); 809 SkOrderedReadBuffer reader(data, length);
810 reader.setBitmapDecoder(fProc);
808 SkCanvas* canvas = fCanvas; 811 SkCanvas* canvas = fCanvas;
809 Status status = kEOF_Status; 812 Status status = kEOF_Status;
810 813
811 fState->setReader(&reader); 814 fState->setReader(&reader);
812 while (!reader.eof()) { 815 while (!reader.eof()) {
813 uint32_t op32 = reader.readUInt(); 816 uint32_t op32 = reader.readUInt();
814 unsigned op = DrawOp_unpackOp(op32); 817 unsigned op = DrawOp_unpackOp(op32);
815 // SkDEBUGCODE(DrawOps drawOp = (DrawOps)op;) 818 // SkDEBUGCODE(DrawOps drawOp = (DrawOps)op;)
816 819
817 if (op >= SK_ARRAY_COUNT(gReadTable)) { 820 if (op >= SK_ARRAY_COUNT(gReadTable)) {
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833 status = kReadAtom_Status; 836 status = kReadAtom_Status;
834 break; 837 break;
835 } 838 }
836 } 839 }
837 840
838 if (bytesRead) { 841 if (bytesRead) {
839 *bytesRead = reader.offset(); 842 *bytesRead = reader.offset();
840 } 843 }
841 return status; 844 return status;
842 } 845 }
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