1ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 2ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru/* 3ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru ******************************************************************************* 4ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru * 50596faeddefbf198de137d5e893708495ab1584cFredrik Roubert * © 2016 and later: Unicode, Inc. and others. 664339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert * License & terms of use: http://www.unicode.org/copyright.html#License 764339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert * 864339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert ******************************************************************************* 964339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert ******************************************************************************* 1064339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert * 11ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru * Copyright (C) 1999-2006, International Business Machines 12ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru * Corporation and others. All Rights Reserved. 13ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru * 14ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru ******************************************************************************* 15ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru * file name: GnomeFontInstance.h 16ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru * 17ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru * created on: 08/30/2001 18ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru * created by: Eric R. Mader 19ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru */ 20ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 21ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru#ifndef __GNOMEFONTINSTANCE_H 22ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru#define __GNOMEFONTINSTANCE_H 23ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 24ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru#include <gnome.h> 25ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru#include <ft2build.h> 26ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru#include FT_FREETYPE_H 27ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru#include FT_GLYPH_H 28ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru#include <cairo.h> 29ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 30ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru#include "layout/LETypes.h" 31ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru#include "layout/LEFontInstance.h" 32ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 33ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru#include "RenderingSurface.h" 34ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru#include "FontTableCache.h" 35ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru#include "cmaps.h" 36ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 37ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queruclass GnomeSurface : public RenderingSurface 38ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru{ 39ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Querupublic: 40ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru GnomeSurface(GtkWidget *theWidget); 41ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru virtual ~GnomeSurface(); 42ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 43ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru virtual void drawGlyphs(const LEFontInstance *font, const LEGlyphID *glyphs, le_int32 count, 44ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru const float *positions, le_int32 x, le_int32 y, le_int32 width, le_int32 height); 45ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 46ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru GtkWidget *getWidget() const; 47ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru void setWidget(GtkWidget *theWidget); 48ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 49ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queruprivate: 50ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru GtkWidget *fWidget; 51ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru cairo_t *fCairo; 52ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru}; 53ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 54ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queruclass GnomeFontInstance : public LEFontInstance, protected FontTableCache 55ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru{ 56ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru protected: 57ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru FT_Face fFace; 58ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru// FT_Glyph fGlyph; 59ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 60ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru cairo_font_face_t *fCairoFace; 61ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 62ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru le_int32 fPointSize; 63ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru le_int32 fUnitsPerEM; 64ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru le_int32 fAscent; 65ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru le_int32 fDescent; 66ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru le_int32 fLeading; 67ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 68ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru float fDeviceScaleX; 69ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru float fDeviceScaleY; 70ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 71ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru CMAPMapper *fMapper; 72ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 73ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru virtual const void *readFontTable(LETag tableTag) const; 74ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 75ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru virtual LEErrorCode initMapper(); 76ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 77ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru public: 78ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru GnomeFontInstance(FT_Library engine, const char *fontPathName, le_int16 pointSize, LEErrorCode &status); 79ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 80ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru virtual ~GnomeFontInstance(); 81ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 82ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru virtual const void *getFontTable(LETag tableTag) const; 83ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 84ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru virtual le_int32 getUnitsPerEM() const; 85ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 86ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru virtual le_int32 getAscent() const; 87ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 88ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru virtual le_int32 getDescent() const; 89ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 90ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru virtual le_int32 getLeading() const; 91ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 92ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru virtual LEGlyphID mapCharToGlyph(LEUnicode32 ch) const; 93ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 94ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru virtual void getGlyphAdvance(LEGlyphID glyph, LEPoint &advance) const; 95ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 96ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru virtual le_bool getGlyphPoint(LEGlyphID glyph, le_int32 pointNumber, LEPoint &point) const; 97ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 98ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru float getXPixelsPerEm() const; 99ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 100ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru float getYPixelsPerEm() const; 101ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 102ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru float getScaleFactorX() const; 103ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 104ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru float getScaleFactorY() const; 105ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 106ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru void rasterizeGlyphs(cairo_t *cairo, const LEGlyphID *glyphs, le_int32 glyphCount, const float *positions, 107ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru le_int32 x, le_int32 y) const; 108ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru}; 109ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 110ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queruinline GtkWidget *GnomeSurface::getWidget() const 111ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru{ 112ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru return fWidget; 113ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru} 114ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 115ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queruinline void GnomeSurface::setWidget(GtkWidget *theWidget) 116ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru{ 117ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru fWidget = theWidget; 118ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru} 119ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 120ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru/* 121ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queruinline FT_Instance GnomeFontInstance::getFont() const 122ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru{ 123ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru return fInstance; 124ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru} 125ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru*/ 126ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 127ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queruinline le_int32 GnomeFontInstance::getUnitsPerEM() const 128ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru{ 129ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru return fUnitsPerEM; 130ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru} 131ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 132ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queruinline le_int32 GnomeFontInstance::getAscent() const 133ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru{ 134ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru return fAscent; 135ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru} 136ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 137ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queruinline le_int32 GnomeFontInstance::getDescent() const 138ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru{ 139ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru return fDescent; 140ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru} 141ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 142ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queruinline le_int32 GnomeFontInstance::getLeading() const 143ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru{ 144ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru return fLeading; 145ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru} 146ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 147ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queruinline LEGlyphID GnomeFontInstance::mapCharToGlyph(LEUnicode32 ch) const 148ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru{ 149ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru return fMapper->unicodeToGlyph(ch); 150ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru} 151ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 152ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queruinline float GnomeFontInstance::getXPixelsPerEm() const 153ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru{ 154ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru return (float) fPointSize; 155ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru} 156ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 157ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queruinline float GnomeFontInstance::getYPixelsPerEm() const 158ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru{ 159ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru return (float) fPointSize; 160ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru} 161ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 162ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queruinline float GnomeFontInstance::getScaleFactorX() const 163ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru{ 164ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru return fDeviceScaleX; 165ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru} 166ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 167ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queruinline float GnomeFontInstance::getScaleFactorY() const 168ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru{ 169ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru return fDeviceScaleY; 170ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru} 171ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru 172ac04d0bbe12b3ef54518635711412f178cb4d16Jean-Baptiste Queru#endif 173