name : GDIFontInstance.h /* ******************************************************************************* * * © 2016 and later: Unicode, Inc. and others. * License & terms of use: http://www.unicode.org/copyright.html#License * ******************************************************************************* ******************************************************************************* * * Copyright (C) 1999-2003, International Business Machines * Corporation and others. All Rights Reserved. * ******************************************************************************* * file name: GDIFontInstance.h * * created on: 08/09/2000 * created by: Eric R. Mader */ #ifndef __GDIFONTINSTANCE_H #define __GDIFONTINSTANCE_H #include <windows.h> #include "layout/LETypes.h" #include "layout/LEFontInstance.h" #include "RenderingSurface.h" #include "FontTableCache.h" #include "cmaps.h" class GDIFontInstance; class GDISurface : public RenderingSurface { public: GDISurface(HDC theHDC); virtual ~GDISurface(); virtual void drawGlyphs(const LEFontInstance *font, const LEGlyphID *glyphs, le_int32 count, const float *positions, le_int32 x, le_int32 y, le_int32 width, le_int32 height); void setFont(const GDIFontInstance *font); HDC getHDC() const; void setHDC(HDC theHDC); private: HDC fHdc; const GDIFontInstance *fCurrentFont; }; inline HDC GDISurface::getHDC() const { return fHdc; } class GDIFontInstance : public LEFontInstance, protected FontTableCache { protected: GDISurface *fSurface; HFONT fFont; le_int32 fPointSize; le_int32 fUnitsPerEM; le_int32 fAscent; le_int32 fDescent; le_int32 fLeading; float fDeviceScaleX; float fDeviceScaleY; CMAPMapper *fMapper; virtual const void *readFontTable(LETag tableTag) const; virtual LEErrorCode initMapper(); public: GDIFontInstance(GDISurface *surface, TCHAR *faceName, le_int16 pointSize, LEErrorCode &status); GDIFontInstance(GDISurface *surface, const char *faceName, le_int16 pointSize, LEErrorCode &status); //GDIFontInstance(GDISurface *surface, le_int16 pointSize); virtual ~GDIFontInstance(); HFONT getFont() const; virtual const void *getFontTable(LETag tableTag) const; virtual le_int32 getUnitsPerEM() const; virtual le_int32 getAscent() const; virtual le_int32 getDescent() const; virtual le_int32 getLeading() const; virtual LEGlyphID mapCharToGlyph(LEUnicode32 ch) const; virtual void getGlyphAdvance(LEGlyphID glyph, LEPoint &advance) const; virtual le_bool getGlyphPoint(LEGlyphID glyph, le_int32 pointNumber, LEPoint &point) const; float getXPixelsPerEm() const; float getYPixelsPerEm() const; float getScaleFactorX() const; float getScaleFactorY() const; }; inline HFONT GDIFontInstance::getFont() const { return fFont; } inline le_int32 GDIFontInstance::getUnitsPerEM() const { return fUnitsPerEM; } inline le_int32 GDIFontInstance::getAscent() const { return fAscent; } inline le_int32 GDIFontInstance::getDescent() const { return fDescent; } inline le_int32 GDIFontInstance::getLeading() const { return fLeading; } inline LEGlyphID GDIFontInstance::mapCharToGlyph(LEUnicode32 ch) const { return fMapper->unicodeToGlyph(ch); } inline float GDIFontInstance::getXPixelsPerEm() const { return (float) fPointSize; } inline float GDIFontInstance::getYPixelsPerEm() const { return (float) fPointSize; } inline float GDIFontInstance::getScaleFactorX() const { return fDeviceScaleX; } inline float GDIFontInstance::getScaleFactorY() const { return fDeviceScaleY; } #endif