SkTextBlob plumbing

src/core/SkPictureData.h

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkPictureData_DEFINED
 #define SkPictureData_DEFINED
 
 #include "SkBitmap.h"
 #include "SkPathHeap.h"
 #include "SkPicture.h"
 #include "SkPictureContentInfo.h"
 #include "SkPictureFlat.h"
 #include "SkPictureStateTree.h"
 
 class SkData;
 class SkPictureRecord;
 class SkReader32;
 class SkStream;
 class SkWStream;
 class SkBBoxHierarchy;
 class SkMatrix;
 class SkPaint;
 class SkPath;
 class SkPictureStateTree;
 class SkReadBuffer;
+class SkTextBlob;
 
 struct SkPictInfo {
     enum Flags {
         kCrossProcess_Flag      = 1 << 0,
         kScalarIsFloat_Flag     = 1 << 1,
         kPtrIs64Bit_Flag        = 1 << 2,
     };
 
     char        fMagic[8];
     uint32_t    fVersion;
     uint32_t    fWidth;
     uint32_t    fHeight;
     uint32_t    fFlags;
 };
 
 #define SK_PICT_READER_TAG     SkSetFourByteTag('r', 'e', 'a', 'd')
 #define SK_PICT_FACTORY_TAG    SkSetFourByteTag('f', 'a', 'c', 't')
 #define SK_PICT_TYPEFACE_TAG   SkSetFourByteTag('t', 'p', 'f', 'c')
 #define SK_PICT_PICTURE_TAG    SkSetFourByteTag('p', 'c', 't', 'r')
 
 // This tag specifies the size of the ReadBuffer, needed for the following tags
 #define SK_PICT_BUFFER_SIZE_TAG     SkSetFourByteTag('a', 'r', 'a', 'y')
 // these are all inside the ARRAYS tag
-#define SK_PICT_BITMAP_BUFFER_TAG  SkSetFourByteTag('b', 't', 'm', 'p')
-#define SK_PICT_PAINT_BUFFER_TAG   SkSetFourByteTag('p', 'n', 't', ' ')
-#define SK_PICT_PATH_BUFFER_TAG    SkSetFourByteTag('p', 't', 'h', ' ')
+#define SK_PICT_BITMAP_BUFFER_TAG   SkSetFourByteTag('b', 't', 'm', 'p')
+#define SK_PICT_PAINT_BUFFER_TAG    SkSetFourByteTag('p', 'n', 't', ' ')
+#define SK_PICT_PATH_BUFFER_TAG     SkSetFourByteTag('p', 't', 'h', ' ')
+#define SK_PICT_TEXTBLOB_BUFFER_TAG SkSetFourByteTag('b', 'l', 'o', 'b')
 
 // Always write this guy last (with no length field afterwards)
 #define SK_PICT_EOF_TAG     SkSetFourByteTag('e', 'o', 'f', ' ')
 
 #ifdef SK_SUPPORT_LEGACY_PICTURE_CLONE
 /**
  * Container for data that is needed to deep copy a SkPicture. The container
  * enables the data to be generated once and reused for subsequent copies.
  */
 struct SkPictCopyInfo {
@@ skipping 60 matching lines @@
     }
 
     const SkPaint* getPaint(SkReader32* reader) const {
         int index = reader->readInt();
         if (index == 0) {
             return NULL;
         }
         return &(*fPaints)[index - 1];
     }
 
+    const SkTextBlob* getTextBlob(SkReader32* reader) const {
+        int index = reader->readInt();
+        SkASSERT(index > 0 && index <= fTextBlobCount);
+        return fTextBlobRefs[index - 1];
+    }
+
     void initIterator(SkPictureStateTree::Iterator* iter,
                       const SkTDArray<void*>& draws,
                       SkCanvas* canvas) const {
         if (NULL != fStateTree) {
             fStateTree->initIterator(iter, draws, canvas);
         }
     }
 
 #if SK_SUPPORT_GPU
     /**
@@ skipping 31 matching lines @@
 
     SkTRefArray<SkBitmap>* fBitmaps;
     SkTRefArray<SkPaint>* fPaints;
 
     SkData* fOpData;    // opcodes and parameters
 
     SkAutoTUnref<const SkPathHeap> fPathHeap;  // reference counted
 
     const SkPicture** fPictureRefs;
     int fPictureCount;
+    const SkTextBlob** fTextBlobRefs;
+    int fTextBlobCount;
 
     SkBBoxHierarchy* fBoundingHierarchy;
     SkPictureStateTree* fStateTree;
 
     SkPictureContentInfo fContentInfo;
 
     SkTypefacePlayback fTFPlayback;
     SkFactoryPlayback* fFactoryPlayback;
 
     const SkPictInfo fInfo;
 
     static void WriteFactories(SkWStream* stream, const SkFactorySet& rec);
     static void WriteTypefaces(SkWStream* stream, const SkRefCntSet& rec);
 
     void initForPlayback() const;
 };
 
 #endif