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Diffstat (limited to 'xfa/fgas/font/fgas_font.h')
-rw-r--r--xfa/fgas/font/fgas_font.h285
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diff --git a/xfa/fgas/font/fgas_font.h b/xfa/fgas/font/fgas_font.h
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+++ b/xfa/fgas/font/fgas_font.h
@@ -0,0 +1,285 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_FGAS_FONT_FGAS_FONT_H_
+#define XFA_FGAS_FONT_FGAS_FONT_H_
+
+#include "core/include/fxge/fx_font.h"
+#include "xfa/fgas/crt/fgas_stream.h"
+
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+#include "xfa/fgas/crt/fgas_memory.h"
+#include "xfa/fgas/crt/fgas_utils.h"
+#endif // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+
+class IFX_Font;
+class IFX_FontMgr;
+
+#define FX_FONTSTYLE_Normal 0x00
+#define FX_FONTSTYLE_FixedPitch 0x01
+#define FX_FONTSTYLE_Serif 0x02
+#define FX_FONTSTYLE_Symbolic 0x04
+#define FX_FONTSTYLE_Script 0x08
+#define FX_FONTSTYLE_Italic 0x40
+#define FX_FONTSTYLE_Bold 0x40000
+#define FX_FONTSTYLE_BoldItalic (FX_FONTSTYLE_Bold | FX_FONTSTYLE_Italic)
+#define FX_FONTSTYLE_ExactMatch 0x80000000
+#define FX_FONTDECORATION_Underline 0x00000001
+#define FX_FONTDECORATION_Strikeout 0x00000002
+#define FX_FONTDECORATION_Overline 0x00000004
+#define FX_FONTDECORATION_Emphasis 0x00000008
+#define FX_FONTDECORATION_Superscript 0x00000010
+#define FX_FONTDECORATION_Subscript 0x00000020
+#define FX_FONTDECORATION_SmallCapital 0x00000040
+#define FX_FONTDECORATION_Capital 0x00000080
+#define FX_FONTDECORATION_Lowercase 0x000000C0
+#define FX_FONTDECORATION_Raised 0x00000100
+#define FX_FONTDECORATION_Sunken 0x00000200
+#define FX_FONTDECORATION_Shadow 0x00000400
+#define FX_FONTDECORATION_BoundingShape 0x20000000
+#define FX_FONTDECORATION_Hide 0x40000000
+#define FX_FONTDECORATION_StrokeFill 0x80000000
+#define FX_BOUNDINGSHAPE_None 0
+#define FX_BOUNDINGSHAPE_Circle 1
+#define FX_BOUNDINGSHAPE_Square 2
+#define FX_BOUNDINGSHAPE_Triangle 3
+#define FX_BOUNDINGSHAPE_Diamond 4
+
+class IFX_FontProvider {
+ public:
+ virtual ~IFX_FontProvider() {}
+ virtual FX_BOOL GetCharWidth(IFX_Font* pFont,
+ FX_WCHAR wUnicode,
+ int32_t& iWidth,
+ FX_BOOL bCharCode = FALSE) = 0;
+};
+
+class IFX_Font {
+ public:
+ static IFX_Font* LoadFont(const FX_WCHAR* pszFontFamily,
+ FX_DWORD dwFontStyles,
+ FX_WORD wCodePage,
+ IFX_FontMgr* pFontMgr);
+ static IFX_Font* LoadFont(const uint8_t* pBuffer,
+ int32_t iLength,
+ IFX_FontMgr* pFontMgr);
+ static IFX_Font* LoadFont(const FX_WCHAR* pszFileName, IFX_FontMgr* pFontMgr);
+ static IFX_Font* LoadFont(IFX_Stream* pFontStream,
+ IFX_FontMgr* pFontMgr,
+ FX_BOOL bSaveStream = FALSE);
+ static IFX_Font* LoadFont(CFX_Font* pExtFont,
+ IFX_FontMgr* pFontMgr,
+ FX_BOOL bTakeOver = FALSE);
+ virtual ~IFX_Font() {}
+ virtual void Release() = 0;
+ virtual IFX_Font* Retain() = 0;
+ virtual IFX_Font* Derive(FX_DWORD dwFontStyles, FX_WORD wCodePage = 0) = 0;
+ virtual void GetFamilyName(CFX_WideString& wsFamily) const = 0;
+ virtual void GetPsName(CFX_WideString& wsName) const = 0;
+ virtual FX_DWORD GetFontStyles() const = 0;
+ virtual uint8_t GetCharSet() const = 0;
+ virtual FX_BOOL GetCharWidth(FX_WCHAR wUnicode,
+ int32_t& iWidth,
+ FX_BOOL bCharCode = FALSE) = 0;
+ virtual int32_t GetGlyphIndex(FX_WCHAR wUnicode,
+ FX_BOOL bCharCode = FALSE) = 0;
+ virtual int32_t GetAscent() const = 0;
+ virtual int32_t GetDescent() const = 0;
+ virtual FX_BOOL GetCharBBox(FX_WCHAR wUnicode,
+ CFX_Rect& bbox,
+ FX_BOOL bCharCode = FALSE) = 0;
+ virtual FX_BOOL GetBBox(CFX_Rect& bbox) = 0;
+ virtual int32_t GetItalicAngle() const = 0;
+ virtual void Reset() = 0;
+ virtual IFX_Font* GetSubstFont(int32_t iGlyphIndex) const = 0;
+ virtual void* GetDevFont() const = 0;
+ virtual void SetFontProvider(IFX_FontProvider* pProvider) = 0;
+#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
+ virtual void SetLogicalFontStyle(FX_DWORD dwLogFontStyle) = 0;
+#endif
+};
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+struct FX_FONTMATCHPARAMS {
+ const FX_WCHAR* pwsFamily;
+ FX_DWORD dwFontStyles;
+ FX_DWORD dwUSB;
+ FX_DWORD dwMatchFlags;
+ FX_WCHAR wUnicode;
+ FX_WORD wCodePage;
+};
+typedef FX_FONTMATCHPARAMS* FX_LPFONTMATCHPARAMS;
+typedef FX_FONTMATCHPARAMS const* FX_LPCFONTMATCHPARAMS;
+
+struct FX_FONTSIGNATURE {
+ FX_DWORD fsUsb[4];
+ FX_DWORD fsCsb[2];
+};
+inline bool operator==(const FX_FONTSIGNATURE& left,
+ const FX_FONTSIGNATURE& right) {
+ return left.fsUsb[0] == right.fsUsb[0] && left.fsUsb[1] == right.fsUsb[1] &&
+ left.fsUsb[2] == right.fsUsb[2] && left.fsUsb[3] == right.fsUsb[3] &&
+ left.fsCsb[0] == right.fsCsb[0] && left.fsCsb[1] == right.fsCsb[1];
+}
+
+struct FX_FONTDESCRIPTOR {
+ FX_WCHAR wsFontFace[32];
+ FX_DWORD dwFontStyles;
+ uint8_t uCharSet;
+ FX_FONTSIGNATURE FontSignature;
+};
+typedef FX_FONTDESCRIPTOR* FX_LPFONTDESCRIPTOR;
+typedef FX_FONTDESCRIPTOR const* FX_LPCFONTDESCRIPTOR;
+typedef CFX_MassArrayTemplate<FX_FONTDESCRIPTOR> CFX_FontDescriptors;
+inline bool operator==(const FX_FONTDESCRIPTOR& left,
+ const FX_FONTDESCRIPTOR& right) {
+ return left.uCharSet == right.uCharSet &&
+ left.dwFontStyles == right.dwFontStyles &&
+ left.FontSignature == right.FontSignature &&
+ FXSYS_wcscmp(left.wsFontFace, right.wsFontFace) == 0;
+}
+
+#define FX_FONTMATCHPARA_MacthStyle 0x01
+#define FX_FONTMATCHPARA_MacthFamily 0x02
+#define FX_FONTMATCHPARA_MacthUnicode 0x04
+typedef void (*FX_LPEnumAllFonts)(CFX_FontDescriptors& fonts,
+ void* pUserData,
+ const FX_WCHAR* pwsFaceName,
+ FX_WCHAR wUnicode);
+FX_LPEnumAllFonts FX_GetDefFontEnumerator();
+typedef FX_LPCFONTDESCRIPTOR (*FX_LPMatchFont)(FX_LPFONTMATCHPARAMS pParams,
+ const CFX_FontDescriptors& fonts,
+ void* pUserData);
+FX_LPMatchFont FX_GetDefFontMatchor();
+class IFX_FontMgr {
+ public:
+ static IFX_FontMgr* Create(FX_LPEnumAllFonts pEnumerator,
+ FX_LPMatchFont pMatcher = NULL,
+ void* pUserData = NULL);
+ virtual ~IFX_FontMgr() {}
+ virtual void Release() = 0;
+ virtual IFX_Font* GetDefFontByCodePage(
+ FX_WORD wCodePage,
+ FX_DWORD dwFontStyles,
+ const FX_WCHAR* pszFontFamily = NULL) = 0;
+ virtual IFX_Font* GetDefFontByCharset(
+ uint8_t nCharset,
+ FX_DWORD dwFontStyles,
+ const FX_WCHAR* pszFontFamily = NULL) = 0;
+ virtual IFX_Font* GetDefFontByUnicode(
+ FX_WCHAR wUnicode,
+ FX_DWORD dwFontStyles,
+ const FX_WCHAR* pszFontFamily = NULL) = 0;
+ virtual IFX_Font* GetDefFontByLanguage(
+ FX_WORD wLanguage,
+ FX_DWORD dwFontStyles,
+ const FX_WCHAR* pszFontFamily = NULL) = 0;
+ virtual IFX_Font* LoadFont(const FX_WCHAR* pszFontFamily,
+ FX_DWORD dwFontStyles,
+ FX_WORD wCodePage = 0xFFFF) = 0;
+ virtual IFX_Font* LoadFont(const uint8_t* pBuffer, int32_t iLength) = 0;
+ virtual IFX_Font* LoadFont(const FX_WCHAR* pszFileName) = 0;
+ virtual IFX_Font* LoadFont(IFX_Stream* pFontStream,
+ const FX_WCHAR* pszFontAlias = NULL,
+ FX_DWORD dwFontStyles = 0,
+ FX_WORD wCodePage = 0,
+ FX_BOOL bSaveStream = FALSE) = 0;
+ virtual IFX_Font* LoadFont(IFX_Font* pSrcFont,
+ FX_DWORD dwFontStyles,
+ FX_WORD wCodePage = 0xFFFF) = 0;
+ virtual void ClearFontCache() = 0;
+ virtual void RemoveFont(IFX_Font* pFont) = 0;
+};
+#else
+class IFX_FontMgrDelegate {
+ public:
+ virtual ~IFX_FontMgrDelegate() {}
+ virtual IFX_Font* GetDefFontByCodePage(
+ IFX_FontMgr* pFontMgr,
+ FX_WORD wCodePage,
+ FX_DWORD dwFontStyles,
+ const FX_WCHAR* pszFontFamily = NULL) = 0;
+ virtual IFX_Font* GetDefFontByCharset(
+ IFX_FontMgr* pFontMgr,
+ uint8_t nCharset,
+ FX_DWORD dwFontStyles,
+ const FX_WCHAR* pszFontFamily = NULL) = 0;
+ virtual IFX_Font* GetDefFontByUnicode(
+ IFX_FontMgr* pFontMgr,
+ FX_WCHAR wUnicode,
+ FX_DWORD dwFontStyles,
+ const FX_WCHAR* pszFontFamily = NULL) = 0;
+ virtual IFX_Font* GetDefFontByLanguage(
+ IFX_FontMgr* pFontMgr,
+ FX_WORD wLanguage,
+ FX_DWORD dwFontStyles,
+ const FX_WCHAR* pszFontFamily = NULL) = 0;
+};
+class IFX_FontSourceEnum {
+ public:
+ virtual ~IFX_FontSourceEnum() {}
+ virtual void Release() = 0;
+ virtual FX_POSITION GetStartPosition(void* pUserData = NULL) = 0;
+ virtual IFX_FileAccess* GetNext(FX_POSITION& pos, void* pUserData = NULL) = 0;
+};
+IFX_FontSourceEnum* FX_CreateDefaultFontSourceEnum();
+class IFX_FontMgr {
+ public:
+ static IFX_FontMgr* Create(IFX_FontSourceEnum* pFontEnum,
+ IFX_FontMgrDelegate* pDelegate = NULL,
+ void* pUserData = NULL);
+ virtual ~IFX_FontMgr() {}
+ virtual void Release() = 0;
+ virtual IFX_Font* GetDefFontByCodePage(
+ FX_WORD wCodePage,
+ FX_DWORD dwFontStyles,
+ const FX_WCHAR* pszFontFamily = NULL) = 0;
+ virtual IFX_Font* GetDefFontByCharset(
+ uint8_t nCharset,
+ FX_DWORD dwFontStyles,
+ const FX_WCHAR* pszFontFamily = NULL) = 0;
+ virtual IFX_Font* GetDefFontByUnicode(
+ FX_WCHAR wUnicode,
+ FX_DWORD dwFontStyles,
+ const FX_WCHAR* pszFontFamily = NULL) = 0;
+ virtual IFX_Font* GetDefFontByLanguage(
+ FX_WORD wLanguage,
+ FX_DWORD dwFontStyles,
+ const FX_WCHAR* pszFontFamily = NULL) = 0;
+ virtual IFX_Font* GetFontByCodePage(FX_WORD wCodePage,
+ FX_DWORD dwFontStyles,
+ const FX_WCHAR* pszFontFamily = NULL) = 0;
+ inline IFX_Font* LoadFont(const FX_WCHAR* pszFontFamily,
+ FX_DWORD dwFontStyles,
+ FX_WORD wCodePage) {
+ return GetFontByCodePage(wCodePage, dwFontStyles, pszFontFamily);
+ }
+ virtual IFX_Font* GetFontByCharset(uint8_t nCharset,
+ FX_DWORD dwFontStyles,
+ const FX_WCHAR* pszFontFamily = NULL) = 0;
+ virtual IFX_Font* GetFontByUnicode(FX_WCHAR wUnicode,
+ FX_DWORD dwFontStyles,
+ const FX_WCHAR* pszFontFamily = NULL) = 0;
+ virtual IFX_Font* GetFontByLanguage(FX_WORD wLanguage,
+ FX_DWORD dwFontStyles,
+ const FX_WCHAR* pszFontFamily = NULL) = 0;
+ virtual IFX_Font* LoadFont(const uint8_t* pBuffer,
+ int32_t iLength,
+ int32_t iFaceIndex,
+ int32_t* pFaceCount = NULL) = 0;
+ virtual IFX_Font* LoadFont(const FX_WCHAR* pszFileName,
+ int32_t iFaceIndex,
+ int32_t* pFaceCount = NULL) = 0;
+ virtual IFX_Font* LoadFont(IFX_Stream* pFontStream,
+ int32_t iFaceIndex,
+ int32_t* pFaceCount = NULL,
+ FX_BOOL bSaveStream = FALSE) = 0;
+
+ virtual void ClearFontCache() = 0;
+ virtual void RemoveFont(IFX_Font* pFont) = 0;
+};
+#endif
+
+#endif // XFA_FGAS_FONT_FGAS_FONT_H_
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