mirror of
https://github.com/hrydgard/ppsspp.git
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304 lines
6.6 KiB
C++
304 lines
6.6 KiB
C++
// Copyright (c) 2012- PPSSPP Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0 or later versions.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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// Thanks to the JPCSP project! This sceFont implementation is basically a C++ take on JPCSP's font code.
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#pragma once
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#include <string>
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#include <vector>
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#include "Common/Log.h"
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#include "Common/ChunkFile.h"
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#include "Common/CommonTypes.h"
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enum {
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FONT_FILETYPE_PGF = 0x00,
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FONT_FILETYPE_BWFON = 0x01,
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};
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enum {
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FONT_PGF_BMP_H_ROWS = 0x01,
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FONT_PGF_BMP_V_ROWS = 0x02,
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FONT_PGF_BMP_OVERLAY = 0x03,
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// Metric names according to JPCSP findings
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FONT_PGF_METRIC_DIMENSION_INDEX = 0x04,
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FONT_PGF_METRIC_BEARING_X_INDEX = 0x08,
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FONT_PGF_METRIC_BEARING_Y_INDEX = 0x10,
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FONT_PGF_CHARGLYPH = 0x20,
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FONT_PGF_SHADOWGLYPH = 0x40,
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};
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enum Family {
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FONT_FAMILY_SANS_SERIF = 1,
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FONT_FAMILY_SERIF = 2,
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};
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enum Style {
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FONT_STYLE_REGULAR = 1,
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FONT_STYLE_ITALIC = 2,
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FONT_STYLE_BOLD = 5,
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FONT_STYLE_BOLD_ITALIC = 6,
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FONT_STYLE_DB = 103, // Demi-Bold / semi-bold
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};
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enum Language {
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FONT_LANGUAGE_JAPANESE = 1,
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FONT_LANGUAGE_LATIN = 2,
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FONT_LANGUAGE_KOREAN = 3,
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FONT_LANGUAGE_CHINESE = 4,
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};
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enum FontPixelFormat {
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PSP_FONT_PIXELFORMAT_4 = 0, // 2 pixels packed in 1 byte (natural order)
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PSP_FONT_PIXELFORMAT_4_REV = 1, // 2 pixels packed in 1 byte (reversed order)
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PSP_FONT_PIXELFORMAT_8 = 2, // 1 pixel in 1 byte
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PSP_FONT_PIXELFORMAT_24 = 3, // 1 pixel in 3 bytes (RGB)
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PSP_FONT_PIXELFORMAT_32 = 4, // 1 pixel in 4 bytes (RGBA)
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};
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struct PGFFontStyle {
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float_le fontH;
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float_le fontV;
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float_le fontHRes;
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float_le fontVRes;
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float_le fontWeight;
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u16_le fontFamily;
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u16_le fontStyle;
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// Check.
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u16_le fontStyleSub;
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u16_le fontLanguage;
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u16_le fontRegion;
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u16_le fontCountry;
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char fontName[64];
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char fontFileName[64];
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u32_le fontAttributes;
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u32_le fontExpire;
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};
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struct Glyph {
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int x;
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int y;
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int w;
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int h;
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int left;
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int top;
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int flags;
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int shadowID;
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int advanceH;
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int advanceV;
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int dimensionWidth, dimensionHeight;
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int xAdjustH, xAdjustV;
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int yAdjustH, yAdjustV;
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u32 ptr;
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};
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#if COMMON_LITTLE_ENDIAN
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typedef FontPixelFormat FontPixelFormat_le;
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#else
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typedef swap_struct_t<FontPixelFormat, swap_32_t<FontPixelFormat> > FontPixelFormat_le;
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#endif
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struct GlyphImage {
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FontPixelFormat_le pixelFormat;
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s32_le xPos64;
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s32_le yPos64;
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u16_le bufWidth;
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u16_le bufHeight;
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u16_le bytesPerLine;
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u16_le pad;
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u32_le bufferPtr;
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};
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#pragma pack(push,1)
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struct PGFHeader
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{
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u16_le headerOffset;
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u16_le headerSize;
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char PGFMagic[4];
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s32_le revision;
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s32_le version;
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s32_le charMapLength;
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s32_le charPointerLength;
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s32_le charMapBpe;
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s32_le charPointerBpe;
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u8 pad1[2];
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u8 bpp;
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u8 pad2[1];
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s32_le hSize;
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s32_le vSize;
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s32_le hResolution;
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s32_le vResolution;
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u8 pad3[1];
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char fontName[64];
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char fontType[64];
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u8 pad4[1];
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u16_le firstGlyph;
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u16_le lastGlyph;
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u8 pad5[26];
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s32_le maxAscender;
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s32_le maxDescender;
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s32_le maxLeftXAdjust;
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s32_le maxBaseYAdjust;
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s32_le minCenterXAdjust;
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s32_le maxTopYAdjust;
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s32_le maxAdvance[2];
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s32_le maxSize[2];
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u16_le maxGlyphWidth;
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u16_le maxGlyphHeight;
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u8 pad6[2];
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u8 dimTableLength;
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u8 xAdjustTableLength;
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u8 yAdjustTableLength;
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u8 advanceTableLength;
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u8 pad7[102];
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s32_le shadowMapLength;
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s32_le shadowMapBpe;
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float_le unknown1;
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s32_le shadowScale[2];
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u8 pad8[8];
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};
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struct PGFHeaderRev3Extra {
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s32_le compCharMapBpe1;
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s32_le compCharMapLength1;
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s32_le compCharMapBpe2;
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s32_le compCharMapLength2;
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u32_le unknown;
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};
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struct PGFCharInfo {
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u32_le bitmapWidth;
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u32_le bitmapHeight;
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u32_le bitmapLeft;
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u32_le bitmapTop;
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// Glyph metrics (in 26.6 signed fixed-point).
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u32_le sfp26Width;
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u32_le sfp26Height;
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s32_le sfp26Ascender;
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s32_le sfp26Descender;
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s32_le sfp26BearingHX;
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s32_le sfp26BearingHY;
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s32_le sfp26BearingVX;
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s32_le sfp26BearingVY;
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s32_le sfp26AdvanceH;
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s32_le sfp26AdvanceV;
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u8 pad[4];
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};
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struct PGFFontInfo {
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// Glyph metrics (in 26.6 signed fixed-point).
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s32_le maxGlyphWidthI;
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s32_le maxGlyphHeightI;
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s32_le maxGlyphAscenderI;
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s32_le maxGlyphDescenderI;
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s32_le maxGlyphLeftXI;
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s32_le maxGlyphBaseYI;
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s32_le minGlyphCenterXI;
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s32_le maxGlyphTopYI;
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s32_le maxGlyphAdvanceXI;
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s32_le maxGlyphAdvanceYI;
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// Glyph metrics (replicated as float).
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float_le maxGlyphWidthF;
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float_le maxGlyphHeightF;
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float_le maxGlyphAscenderF;
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float_le maxGlyphDescenderF;
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float_le maxGlyphLeftXF;
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float_le maxGlyphBaseYF;
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float_le minGlyphCenterXF;
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float_le maxGlyphTopYF;
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float_le maxGlyphAdvanceXF;
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float_le maxGlyphAdvanceYF;
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// Bitmap dimensions.
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s16_le maxGlyphWidth;
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s16_le maxGlyphHeight;
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s32_le charMapLength; // Number of elements in the font's charmap.
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s32_le shadowMapLength; // Number of elements in the font's shadow charmap.
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// Font style (used by font comparison functions).
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PGFFontStyle fontStyle;
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s32_le BPP; // Font's BPP.
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};
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#pragma pack(pop)
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class PGF {
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public:
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PGF();
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~PGF();
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void ReadPtr(const u8 *ptr, size_t dataSize);
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bool GetCharInfo(int charCode, PGFCharInfo *ci);
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void GetFontInfo(PGFFontInfo *fi);
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void DrawCharacter(const GlyphImage *image, int clipX, int clipY, int clipWidth, int clipHeight, int charCode, int altCharCode, int glyphType);
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void DoState(PointerWrap &p);
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PGFHeader header;
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private:
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bool GetGlyph(const u8 *fontdata, size_t charPtr, int glyphType, Glyph &glyph);
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bool GetCharGlyph(int charCode, int glyphType, Glyph &glyph);
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// Unused
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int GetCharIndex(int charCode, const std::vector<int> &charmapCompressed);
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void SetFontPixel(u32 base, int bpl, int bufWidth, int bufHeight, int x, int y, int pixelColor, int pixelformat);
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PGFHeaderRev3Extra rev3extra;
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// Font character image data
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u8 *fontData;
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size_t fontDataSize;
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std::string fileName;
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std::vector<int> dimensionTable[2];
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std::vector<int> xAdjustTable[2];
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std::vector<int> yAdjustTable[2];
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std::vector<int> advanceTable[2];
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// Unused
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std::vector<int> charmapCompressionTable1[2];
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std::vector<int> charmapCompressionTable2[2];
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std::vector<int> charmap_compr;
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std::vector<int> charmap;
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std::vector<Glyph> glyphs;
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std::vector<Glyph> shadowGlyphs;
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int firstGlyph;
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};
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