SkBitmapProcState_utils.rar_The Just

/* * Copyright 2011 Google Inc. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef SFNTLY_CPP_SRC_SFNTLY_TABLE_CORE_FONT_HEADER_TABLE_H_ #define SFNTLY_CPP_SRC_SFNTLY_TABLE_CORE_FONT_HEADER_TABLE_H_ #include "sfntly/table/table.h" #include "sfntly/table/table_based_table_builder.h" namespace sfntly { struct IndexToLocFormat { enum { kShortOffset = 0, kLongOffset = 1 }; }; struct FontDirectionHint { enum { kFullyMixed = 0, kOnlyStrongLTR = 1, kStrongLTRAndNeutral = 2, kOnlyStrongRTL = -1, kStrongRTLAndNeutral = -2 }; }; class FontHeaderTable : public Table, public RefCounted<FontHeaderTable> { public: class Builder : public TableBasedTableBuilder, public RefCounted<Builder> { public: // Constructor scope altered to public because C++ does not allow base // class to instantiate derived class with protected constructors. Builder(Header* header, WritableFontData* data); Builder(Header* header, ReadableFontData* data); virtual ~Builder(); virtual CALLER_ATTACH FontDataTable* SubBuildTable(ReadableFontData* data); virtual int32_t TableVersion(); virtual void SetTableVersion(int32_t version); virtual int32_t FontRevision(); virtual void SetFontRevision(int32_t revision); virtual int64_t ChecksumAdjustment(); virtual void SetChecksumAdjustment(int64_t adjustment); virtual int64_t MagicNumber(); virtual void SetMagicNumber(int64_t magic_number); virtual int32_t FlagsAsInt(); virtual void SetFlagsAsInt(int32_t flags); // TODO(arthurhsu): IMPLEMENT EnumSet<Flags> Flags() // TODO(arthurhsu): IMPLEMENT setFlags(EnumSet<Flags> flags) virtual int32_t UnitsPerEm(); virtual void SetUnitsPerEm(int32_t units); virtual int64_t Created(); virtual void SetCreated(int64_t date); virtual int64_t Modified(); virtual void SetModified(int64_t date); virtual int32_t XMin(); virtual void SetXMin(int32_t xmin); virtual int32_t YMin(); virtual void SetYMin(int32_t ymin); virtual int32_t XMax(); virtual void SetXMax(int32_t xmax); virtual int32_t YMax(); virtual void SetYMax(int32_t ymax); virtual int32_t MacStyleAsInt(); virtual void SetMacStyleAsInt(int32_t style); // TODO(arthurhsu): IMPLEMENT EnumSet<MacStyle> macStyle() // TODO(arthurhsu): IMPLEMENT setMacStyle(EnumSet<MacStyle> style) virtual int32_t LowestRecPPEM(); virtual void SetLowestRecPPEM(int32_t size); virtual int32_t FontDirectionHint(); virtual void SetFontDirectionHint(int32_t hint); virtual int32_t IndexToLocFormat(); virtual void SetIndexToLocFormat(int32_t format); virtual int32_t GlyphDataFormat(); virtual void SetGlyphDataFormat(int32_t format); static CALLER_ATTACH Builder* CreateBuilder(Header* header, WritableFontData* data); }; virtual ~FontHeaderTable(); int32_t TableVersion(); int32_t FontRevision(); // Get the checksum adjustment. To compute: set it to 0, sum the entire font // as ULONG, then store 0xB1B0AFBA - sum. int64_t ChecksumAdjustment(); // Get the magic number. Set to 0x5F0F3CF5. int64_t MagicNumber(); // TODO(arthurhsu): IMPLEMENT: EnumSet<Flags> int32_t FlagsAsInt(); // TODO(arthurhsu): IMPLEMENT: Flags() returning EnumSet<Flags> int32_t UnitsPerEm(); // Get the created date. Number of seconds since 12:00 midnight, January 1, // 1904. 64-bit integer. int64_t Created(); // Get the modified date. Number of seconds since 12:00 midnight, January 1, // 1904. 64-bit integer. int64_t Modified(); // Get the x min. For all glyph bounding boxes. int32_t XMin(); // Get the y min. For all glyph bounding boxes. int32_t YMin(); // Get the x max. For all glyph bounding boxes. int32_t XMax(); // Get the y max. For all glyph bounding boxes. int32_t YMax(); // TODO(arthurhsu): IMPLEMENT: EnumSet<MacStyle> int32_t MacStyleAsInt(); // TODO(arthurhsu): IMPLEMENT: macStyle() returning EnumSet<MacStyle> int32_t LowestRecPPEM(); int32_t FontDirectionHint(); // Note: no AsInt() form, already int int32_t IndexToLocFormat(); // Note: no AsInt() form, already int int32_t GlyphDataFormat(); private: struct Offset { enum { kTableVersion = 0, kFontRevision = 4, kCheckSumAdjustment = 8, kMagicNumber = 12, kFlags = 16, kUnitsPerEm = 18, kCreated = 20, kModified = 28, kXMin = 36, kYMin = 38, kXMax = 40, kYMax = 42, kMacStyle = 44, kLowestRecPPEM = 46, kFontDirectionHint = 48, kIndexToLocFormat = 50, kGlyphDataFormat = 52 }; }; FontHeaderTable(Header* header, ReadableFontData* data); }; typedef Ptr<FontHeaderTable> FontHeaderTablePtr; typedef Ptr<FontHeaderTable::Builder> FontHeaderTableBuilderPtr; } // namespace sfntly #endif // SFNTLY_CPP_SRC_SFNTLY_TABLE_CORE_FONT_HEADER_TABLE_H_