| /* |
| * 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 SkPDFCanon_DEFINED |
| #define SkPDFCanon_DEFINED |
| |
| #include "SkBitmapKey.h" |
| #include "SkPDFGradientShader.h" |
| #include "SkPDFGraphicState.h" |
| #include "SkPDFShader.h" |
| #include "SkPixelSerializer.h" |
| #include "SkTDArray.h" |
| #include "SkTHash.h" |
| #include "SkTypeface.h" |
| |
| class SkPDFFont; |
| struct SkAdvancedTypefaceMetrics; |
| |
| /** |
| * The SkPDFCanon canonicalizes objects across PDF pages |
| * (SkPDFDevices) and across draw calls. |
| */ |
| class SkPDFCanon { |
| public: |
| ~SkPDFCanon(); |
| SkPDFCanon(); |
| SkPDFCanon(const SkPDFCanon&) = delete; |
| SkPDFCanon& operator=(const SkPDFCanon&) = delete; |
| |
| SkTHashMap<SkPDFImageShaderKey, sk_sp<SkPDFObject>> fImageShaderMap; |
| |
| SkPDFGradientShader::HashMap fGradientPatternMap; |
| |
| SkTHashMap<SkBitmapKey, sk_sp<SkPDFObject>> fPDFBitmapMap; |
| |
| SkTHashMap<uint32_t, std::unique_ptr<SkAdvancedTypefaceMetrics>> fTypefaceMetrics; |
| SkTHashMap<uint32_t, sk_sp<SkPDFDict>> fFontDescriptors; |
| SkTHashMap<uint64_t, sk_sp<SkPDFFont>> fFontMap; |
| |
| SkTHashMap<SkPDFStrokeGraphicState, sk_sp<SkPDFDict>> fStrokeGSMap; |
| SkTHashMap<SkPDFFillGraphicState, sk_sp<SkPDFDict>> fFillGSMap; |
| |
| sk_sp<SkPixelSerializer> fPixelSerializer; |
| sk_sp<SkPDFStream> fInvertFunction; |
| sk_sp<SkPDFDict> fNoSmaskGraphicState; |
| sk_sp<SkPDFArray> fRangeObject; |
| |
| SK_BEGIN_REQUIRE_DENSE |
| struct BitmapGlyphKey { |
| SkFontID fFontID; // uint32_t |
| SkScalar fTextSize; // float32 |
| SkScalar fTextScaleX; // float32 |
| SkScalar fTextSkewX; // float32 |
| SkGlyphID fGlyphID; // uint16_t |
| uint16_t fPadding; |
| }; |
| SK_END_REQUIRE_DENSE |
| struct BitmapGlyph { |
| sk_sp<SkImage> fImage; |
| SkIPoint fOffset; |
| }; |
| SkTHashMap<BitmapGlyphKey, BitmapGlyph> fBitmapGlyphImages; |
| }; |
| |
| inline bool operator==(const SkPDFCanon::BitmapGlyphKey& u, const SkPDFCanon::BitmapGlyphKey& v) { |
| return memcmp(&u, &u, sizeof(SkPDFCanon::BitmapGlyphKey)) == 0; |
| } |
| #endif // SkPDFCanon_DEFINED |