| /* |
| * Copyright 2015 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| #ifndef SkPDFBitmap_DEFINED |
| #define SkPDFBitmap_DEFINED |
| |
| #include "SkPDFTypes.h" |
| #include "SkBitmap.h" |
| |
| class SkPDFCanon; |
| |
| /** |
| * SkPDFBitmap wraps a SkBitmap and serializes it as an image Xobject. |
| * It is designed to use a minimal amout of memory, aside from refing |
| * the bitmap's pixels, and its emitObject() does not cache any data. |
| * |
| * If !bitmap.isImmutable(), then a copy of the bitmap must be made; |
| * there is no way around this. |
| * |
| * The SkPDFBitmap::Create function will check the canon for duplicates. |
| */ |
| class SkPDFBitmap : public SkPDFObject { |
| public: |
| // Returns NULL on unsupported bitmap; |
| static SkPDFBitmap* Create(SkPDFCanon*, const SkBitmap&); |
| ~SkPDFBitmap(); |
| void emitObject(SkWStream*, SkPDFCatalog*) SK_OVERRIDE; |
| void addResources(SkTSet<SkPDFObject*>* resourceSet, |
| SkPDFCatalog* catalog) const SK_OVERRIDE; |
| bool equals(const SkBitmap& other) const { |
| return fBitmap.getGenerationID() == other.getGenerationID() && |
| fBitmap.pixelRefOrigin() == other.pixelRefOrigin() && |
| fBitmap.dimensions() == other.dimensions(); |
| } |
| |
| private: |
| const SkBitmap fBitmap; |
| const SkAutoTUnref<SkPDFObject> fSMask; |
| SkPDFBitmap(const SkBitmap&, SkPDFObject*); |
| void emitDict(SkWStream*, SkPDFCatalog*, size_t) const; |
| }; |
| |
| #endif // SkPDFBitmap_DEFINED |