1ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 2ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru/* 3ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru ******************************************************************************* 4ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru * 5ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru * Copyright (C) 1999-2006, International Business Machines 6ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru * Corporation and others. All Rights Reserved. 7ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru * 8ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru ******************************************************************************* 9ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru * file name: GnomeFontInstance.h 10ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru * 11ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru * created on: 08/30/2001 12ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru * created by: Eric R. Mader 13ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru */ 14ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 15ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru#ifndef __GNOMEFONTINSTANCE_H 16ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru#define __GNOMEFONTINSTANCE_H 17ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 18ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru#include <gnome.h> 19ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru#include <ft2build.h> 20ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru#include FT_FREETYPE_H 21ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru#include FT_GLYPH_H 22ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru#include <cairo.h> 23ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 24ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru#include "layout/LETypes.h" 25ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru#include "layout/LEFontInstance.h" 26ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 27ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru#include "RenderingSurface.h" 28ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru#include "FontTableCache.h" 29ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru#include "cmaps.h" 30ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 31ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queruclass GnomeSurface : public RenderingSurface 32ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru{ 33ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Querupublic: 34ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru GnomeSurface(GtkWidget *theWidget); 35ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru virtual ~GnomeSurface(); 36ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 37ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru virtual void drawGlyphs(const LEFontInstance *font, const LEGlyphID *glyphs, le_int32 count, 38ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru const float *positions, le_int32 x, le_int32 y, le_int32 width, le_int32 height); 39ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 40ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru GtkWidget *getWidget() const; 41ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru void setWidget(GtkWidget *theWidget); 42ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 43ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queruprivate: 44ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru GtkWidget *fWidget; 45ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru cairo_t *fCairo; 46ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru}; 47ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 48ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queruclass GnomeFontInstance : public LEFontInstance, protected FontTableCache 49ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru{ 50ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru protected: 51ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru FT_Face fFace; 52ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru// FT_Glyph fGlyph; 53ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 54ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru cairo_font_face_t *fCairoFace; 55ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 56ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru le_int32 fPointSize; 57ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru le_int32 fUnitsPerEM; 58ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru le_int32 fAscent; 59ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru le_int32 fDescent; 60ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru le_int32 fLeading; 61ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 62ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru float fDeviceScaleX; 63ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru float fDeviceScaleY; 64ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 65ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru CMAPMapper *fMapper; 66ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 67ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru virtual const void *readFontTable(LETag tableTag) const; 68ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 69ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru virtual LEErrorCode initMapper(); 70ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 71ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru public: 72ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru GnomeFontInstance(FT_Library engine, const char *fontPathName, le_int16 pointSize, LEErrorCode &status); 73ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 74ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru virtual ~GnomeFontInstance(); 75ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 76ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru virtual const void *getFontTable(LETag tableTag) const; 77ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 78ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru virtual le_int32 getUnitsPerEM() const; 79ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 80ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru virtual le_int32 getAscent() const; 81ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 82ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru virtual le_int32 getDescent() const; 83ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 84ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru virtual le_int32 getLeading() const; 85ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 86ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru virtual LEGlyphID mapCharToGlyph(LEUnicode32 ch) const; 87ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 88ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru virtual void getGlyphAdvance(LEGlyphID glyph, LEPoint &advance) const; 89ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 90ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru virtual le_bool getGlyphPoint(LEGlyphID glyph, le_int32 pointNumber, LEPoint &point) const; 91ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 92ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru float getXPixelsPerEm() const; 93ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 94ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru float getYPixelsPerEm() const; 95ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 96ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru float getScaleFactorX() const; 97ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 98ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru float getScaleFactorY() const; 99ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 100ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru void rasterizeGlyphs(cairo_t *cairo, const LEGlyphID *glyphs, le_int32 glyphCount, const float *positions, 101ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru le_int32 x, le_int32 y) const; 102ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru}; 103ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 104ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queruinline GtkWidget *GnomeSurface::getWidget() const 105ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru{ 106ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru return fWidget; 107ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru} 108ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 109ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queruinline void GnomeSurface::setWidget(GtkWidget *theWidget) 110ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru{ 111ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru fWidget = theWidget; 112ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru} 113ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 114ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru/* 115ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queruinline FT_Instance GnomeFontInstance::getFont() const 116ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru{ 117ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru return fInstance; 118ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru} 119ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru*/ 120ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 121ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queruinline le_int32 GnomeFontInstance::getUnitsPerEM() const 122ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru{ 123ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru return fUnitsPerEM; 124ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru} 125ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 126ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queruinline le_int32 GnomeFontInstance::getAscent() const 127ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru{ 128ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru return fAscent; 129ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru} 130ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 131ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queruinline le_int32 GnomeFontInstance::getDescent() const 132ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru{ 133ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru return fDescent; 134ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru} 135ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 136ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queruinline le_int32 GnomeFontInstance::getLeading() const 137ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru{ 138ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru return fLeading; 139ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru} 140ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 141ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queruinline LEGlyphID GnomeFontInstance::mapCharToGlyph(LEUnicode32 ch) const 142ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru{ 143ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru return fMapper->unicodeToGlyph(ch); 144ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru} 145ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 146ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queruinline float GnomeFontInstance::getXPixelsPerEm() const 147ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru{ 148ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru return (float) fPointSize; 149ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru} 150ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 151ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queruinline float GnomeFontInstance::getYPixelsPerEm() const 152ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru{ 153ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru return (float) fPointSize; 154ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru} 155ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 156ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queruinline float GnomeFontInstance::getScaleFactorX() const 157ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru{ 158ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru return fDeviceScaleX; 159ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru} 160ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 161ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queruinline float GnomeFontInstance::getScaleFactorY() const 162ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru{ 163ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru return fDeviceScaleY; 164ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru} 165ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 166ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru#endif 167