blob: c8d887a31bc6745a1e7eae0ecec7ac3875a061ec [file] [log] [blame]
/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkOTTable_EBDT_DEFINED
#define SkOTTable_EBDT_DEFINED
#include "src/core/SkEndian.h"
#include "src/sfnt/SkOTTableTypes.h"
#include "src/sfnt/SkOTTable_head.h"
#include "src/sfnt/SkOTTable_loca.h"
#pragma pack(push, 1)
struct SkOTTableEmbeddedBitmapData {
static const SK_OT_CHAR TAG0 = 'E';
static const SK_OT_CHAR TAG1 = 'B';
static const SK_OT_CHAR TAG2 = 'D';
static const SK_OT_CHAR TAG3 = 'T';
static const SK_OT_ULONG TAG = SkOTTableTAG<SkOTTableEmbeddedBitmapData>::value;
SK_OT_Fixed version;
static const SK_OT_Fixed version_initial = SkTEndian_SwapBE32(0x00020000);
struct BigGlyphMetrics {
SK_OT_BYTE height;
SK_OT_BYTE width;
SK_OT_CHAR horiBearingX;
SK_OT_CHAR horiBearingY;
SK_OT_BYTE horiAdvance;
SK_OT_CHAR vertBearingX;
SK_OT_CHAR vertBearingY;
SK_OT_BYTE vertAdvance;
};
struct SmallGlyphMetrics {
SK_OT_BYTE height;
SK_OT_BYTE width;
SK_OT_CHAR bearingX;
SK_OT_CHAR bearingY;
SK_OT_BYTE advance;
};
// Small metrics, byte-aligned data.
struct Format1 {
SmallGlyphMetrics smallGlyphMetrics;
//SK_OT_BYTE[] byteAlignedBitmap;
};
// Small metrics, bit-aligned data.
struct Format2 {
SmallGlyphMetrics smallGlyphMetrics;
//SK_OT_BYTE[] bitAlignedBitmap;
};
// Format 3 is not used.
// EBLC metrics (IndexSubTable::header::indexFormat 2 or 5), compressed data.
// Only used on Mac.
struct Format4 {
SK_OT_ULONG whiteTreeOffset;
SK_OT_ULONG blackTreeOffset;
SK_OT_ULONG glyphDataOffset;
};
// EBLC metrics (IndexSubTable::header::indexFormat 2 or 5), bit-aligned data.
struct Format5 {
//SK_OT_BYTE[] bitAlignedBitmap;
};
// Big metrics, byte-aligned data.
struct Format6 {
BigGlyphMetrics bigGlyphMetrics;
//SK_OT_BYTE[] byteAlignedBitmap;
};
// Big metrics, bit-aligned data.
struct Format7 {
BigGlyphMetrics bigGlyphMetrics;
//SK_OT_BYTE[] bitAlignedBitmap;
};
struct EBDTComponent {
SK_OT_USHORT glyphCode; // Component glyph code
SK_OT_CHAR xOffset; // Position of component left
SK_OT_CHAR yOffset; // Position of component top
};
struct Format8 {
SmallGlyphMetrics smallMetrics; // Metrics information for the glyph
SK_OT_BYTE pad; // Pad to short boundary
SK_OT_USHORT numComponents; // Number of components
//EBDTComponent componentArray[numComponents]; // Glyph code, offset array
};
struct Format9 {
BigGlyphMetrics bigMetrics; // Metrics information for the glyph
SK_OT_USHORT numComponents; // Number of components
//EBDTComponent componentArray[numComponents]; // Glyph code, offset array
};
};
#pragma pack(pop)
#endif