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444 lines
12 KiB
C++
444 lines
12 KiB
C++
// ==============================================================
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// This file is part of Glest Shared Library (www.glest.org)
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//
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// Copyright (C) 2001-2007 Martio Figueroa
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//
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// You can redistribute this code and/or modify it under
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// the terms of the GNU General Public License as published
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// by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version
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// ==============================================================
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#include "font.h"
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#include <stdexcept>
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#include "conversion.h"
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#ifdef USE_FTGL
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#include "font_textFTGL.h"
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#include <vector>
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#include <algorithm>
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using namespace Shared::Graphics::Gl;
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#endif
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#ifdef USE_FREETYPEGL
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#include "font_text_freetypegl.h"
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#endif
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#ifdef HAVE_FONTCONFIG
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#include <fontconfig/fontconfig.h>
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#endif
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#include "util.h"
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#include "platform_common.h"
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#include "platform_util.h"
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#include "leak_dumper.h"
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using namespace std;
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using namespace Shared::Util;
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using namespace Shared::PlatformCommon;
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namespace Shared { namespace Graphics {
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// Init statics
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int Font::charCount = 256;
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std::string Font::fontTypeName = "Times New Roman";
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bool Font::fontIsMultibyte = false;
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bool Font::forceLegacyFonts = false;
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bool Font::fontIsRightToLeft = false;
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bool Font::forceFTGLFonts = false;
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// This value is used to scale the font text rendering
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// in 3D render mode
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float Font::scaleFontValue = 0.80f;
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// This value is used for centering font text vertically (height)
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float Font::scaleFontValueCenterHFactor = 4.0f;
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//float Font::scaleFontValue = 1.0;
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//float Font::scaleFontValueCenterHFactor = 4.0;
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int Font::baseSize = 3;
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int Font::faceResolution = 72;
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string Font::langHeightText = "yW";
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//
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void Font::resetToDefaults() {
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Font::charCount = 256;
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Font::fontTypeName = "Times New Roman";
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Font::fontIsMultibyte = false;
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//Font::forceLegacyFonts = false;
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Font::fontIsRightToLeft = false;
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// This value is used to scale the font text rendering
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// in 3D render mode
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Font::scaleFontValue = 0.80f;
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// This value is used for centering font text vertically (height)
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Font::scaleFontValueCenterHFactor = 4.0f;
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//float Font::scaleFontValue = 1.0;
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//float Font::scaleFontValueCenterHFactor = 4.0;
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Font::baseSize = 3;
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Font::faceResolution = 72;
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Font::langHeightText = "yW";
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#if defined(WIN32)
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string newEnvValue = "MEGAGLEST_FONT=";
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_putenv(newEnvValue.c_str());
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newEnvValue = "MEGAGLEST_FONT_FAMILY=";
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_putenv(newEnvValue.c_str());
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#else
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unsetenv("MEGAGLEST_FONT");
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unsetenv("MEGAGLEST_FONT_FAMILY");
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#endif
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}
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// =====================================================
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// class FontMetrics
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// =====================================================
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FontMetrics::FontMetrics(Text *textHandler) {
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this->textHandler = textHandler;
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this->widths = new float[Font::charCount];
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this->height = 0;
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for(int i=0; i < Font::charCount; ++i) {
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widths[i]= 0;
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}
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}
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FontMetrics::~FontMetrics() {
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delete [] widths;
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widths = NULL;
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}
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void FontMetrics::setTextHandler(Text *textHandler) {
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this->textHandler = textHandler;
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}
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Text * FontMetrics::getTextHandler() {
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return this->textHandler;
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}
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float FontMetrics::getTextWidth(const string &str) {
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if(textHandler != NULL) {
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//printf("str [%s] textHandler->Advance = %f Font::scaleFontValue = %f\n",str.c_str(),textHandler->Advance(str.c_str()),Font::scaleFontValue);
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return (textHandler->Advance(str.c_str()) * Font::scaleFontValue);
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//return (textHandler->Advance(str.c_str()));
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}
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else {
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float width= 0.f;
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for(unsigned int i=0; i< str.size() && (int)i < Font::charCount; ++i){
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if(str[i] >= Font::charCount) {
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string sError = "str[i] >= Font::charCount, [" + str + "] i = " + intToStr(i);
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throw megaglest_runtime_error(sError);
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}
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//Treat 2 byte characters as spaces
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if(str[i] < 0) {
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width+= (widths[97]); // This is the letter a which is a normal wide character and good to use for spacing
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}
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else {
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width+= widths[str[i]];
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}
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}
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return width;
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}
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}
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float FontMetrics::getHeight(const string &str) const {
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if(textHandler != NULL) {
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//printf("(textHandler->LineHeight(" ") = %f Font::scaleFontValue = %f\n",textHandler->LineHeight(" "),Font::scaleFontValue);
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//return (textHandler->LineHeight(str.c_str()) * Font::scaleFontValue);
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return (textHandler->LineHeight(str.c_str()));
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}
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else {
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return height;
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}
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}
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// ===============================================
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// class Font
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// ===============================================
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Font::Font(FontTextHandlerType type) {
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assert(GlobalStaticFlags::getIsNonGraphicalModeEnabled() == false);
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inited = false;
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this->type = fontTypeName;
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width = 400;
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size = 10;
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textHandler = NULL;
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#if defined(USE_FTGL) || defined(USE_FREETYPEGL)
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if(Font::forceLegacyFonts == false) {
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try {
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#if defined(USE_FREETYPEGL)
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//if(Font::forceFTGLFonts == false) {
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// textHandler = NULL;
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// textHandler = new TextFreetypeGL(type);
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//printf("TextFreetypeGL is ON\n");
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//}
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//else
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#endif
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{
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TextFTGL::faceResolution = Font::faceResolution;
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TextFTGL::langHeightText = Font::langHeightText;
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textHandler = NULL;
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textHandler = new TextFTGL(type);
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//printf("TextFTGL is ON\n");
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TextFTGL::faceResolution = Font::faceResolution;
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TextFTGL::langHeightText = Font::langHeightText;
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}
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metrics.setTextHandler(this->textHandler);
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}
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catch(exception &ex) {
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SystemFlags::OutputDebug(SystemFlags::debugError,"In [%s::%s Line: %d] Error [%s]\n",__FILE__,__FUNCTION__,__LINE__,ex.what());
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textHandler = NULL;
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}
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}
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#endif
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}
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Font::~Font() {
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if(textHandler) {
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delete textHandler;
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}
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textHandler = NULL;
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}
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string Font::getType() const {
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return this->type;
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}
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void Font::setType(string typeX11, string typeGeneric, string typeGenericFamily) {
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if(textHandler) {
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try {
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this->type= typeGeneric;
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textHandler->init(typeGeneric,typeGenericFamily,textHandler->GetFaceSize());
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metrics.setTextHandler(this->textHandler);
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}
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catch(exception &ex) {
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SystemFlags::OutputDebug(SystemFlags::debugError,"In [%s::%s Line: %d] Error [%s]\n",__FILE__,__FUNCTION__,__LINE__,ex.what());
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textHandler = NULL;
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}
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}
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if(textHandler == NULL) {
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this->type= typeX11;
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}
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}
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void Font::setWidth(int width) {
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this->width= width;
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}
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int Font::getWidth() const {
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return width;
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}
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int Font::getSize() const {
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if(textHandler) {
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return textHandler->GetFaceSize();
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}
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else {
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return size;
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}
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}
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void Font::setSize(int size) {
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if(textHandler) {
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return textHandler->SetFaceSize(size);
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}
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else {
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this->size= size;
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}
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}
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// ===============================================
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// class Font2D
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// ===============================================
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Font2D::Font2D(FontTextHandlerType type) : Font(type) {
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}
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// ===============================================
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// class Font3D
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// ===============================================
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Font3D::Font3D(FontTextHandlerType type) : Font(type) {
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depth= 10.f;
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}
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string findFontFamily(const char* font, const char *fontFamily) {
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string resultFile = "";
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#ifdef HAVE_FONTCONFIG
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// Get default font via fontconfig
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if( !font && FcInit() && fontFamily) {
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FcResult result;
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FcFontSet *fs;
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FcPattern* pat;
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FcPattern *match;
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/*
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TRANSLATORS: If using the FTGL backend, this should be the font
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name of a font that contains all the Unicode characters in use in
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your translation.
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*/
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//pat = FcNameParse((FcChar8 *)"Gothic Uralic");
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pat = FcNameParse((FcChar8 *)fontFamily);
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FcConfigSubstitute(0, pat, FcMatchPattern);
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//FcPatternDel(pat, FC_WEIGHT);
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//FcPatternAddInteger(pat, FC_WEIGHT, FC_WEIGHT_BOLD);
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FcDefaultSubstitute(pat);
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fs = FcFontSetCreate();
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match = FcFontMatch(0, pat, &result);
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if(SystemFlags::VERBOSE_MODE_ENABLED) printf("Trying fontconfig for fontfamily [%s]\n",fontFamily);
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if (match) FcFontSetAdd(fs, match);
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if (pat) FcPatternDestroy(pat);
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if(fs) {
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FcChar8* file;
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if( FcPatternGetString (fs->fonts[0], FC_FILE, 0, &file) == FcResultMatch ) {
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//CHECK_FONT_PATH((const char*)file,NULL)
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resultFile = (const char*)file;
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}
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FcFontSetDestroy(fs);
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}
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FcFini();
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}
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#else
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if(SystemFlags::VERBOSE_MODE_ENABLED) printf("******************* NO FONT CONFIG ENABLED!\n");
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#endif
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return resultFile;
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}
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const char* findFont(const char *firstFontToTry,const char *firstFontFamilyToTry) {
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const char* font = NULL;
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const char* path = NULL;
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#define CHECK_FONT_PATH(filename,fontFamily) \
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{ \
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path = filename; \
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if( font == NULL && path != NULL && strlen(path) > 0 && fileExists(path) == true ) { \
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font = strdup(path); \
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} \
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if(SystemFlags::VERBOSE_MODE_ENABLED) printf("#1 Searching for font file [%s] result [%s]\n",path,font); \
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if( font != NULL && fontFamily != NULL && strlen(fontFamily) > 0) { \
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string fileFound = findFontFamily(font, fontFamily); \
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if(fileFound != "") { \
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path = fileFound.c_str(); \
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if( font != NULL && path && strlen(path) > 0 && fileExists(path) == true ) { \
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font = strdup(path); \
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} \
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} \
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if(SystemFlags::VERBOSE_MODE_ENABLED) printf("#2 Searching for font family [%s] result [%s]\n",fontFamily,font); \
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} \
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}
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string tryFont = "";
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if(firstFontToTry != NULL || firstFontFamilyToTry != NULL) {
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if(firstFontToTry != NULL && strlen(firstFontToTry) > 0) {
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tryFont = firstFontToTry;
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#ifdef WIN32
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replaceAll(tryFont, "/", "\\");
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#endif
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CHECK_FONT_PATH(tryFont.c_str(),firstFontFamilyToTry)
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}
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else {
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CHECK_FONT_PATH(NULL,firstFontFamilyToTry)
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}
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}
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// Get user-specified font path
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if(getenv("MEGAGLEST_FONT") != NULL || getenv("MEGAGLEST_FONT_FAMILY") != NULL) {
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if(getenv("MEGAGLEST_FONT") != NULL) {
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tryFont = getenv("MEGAGLEST_FONT");
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#ifdef WIN32
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replaceAll(tryFont, "/", "\\");
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#endif
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CHECK_FONT_PATH(tryFont.c_str(),getenv("MEGAGLEST_FONT_FAMILY"))
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}
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else {
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CHECK_FONT_PATH(NULL,getenv("MEGAGLEST_FONT_FAMILY"))
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}
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}
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string data_path = Text::DEFAULT_FONT_PATH;
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string defaultFont = data_path + "data/core/fonts/LinBiolinum_RB.ttf";//LinBiolinum_Re-0.6.4.ttf
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tryFont = defaultFont;
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#ifdef WIN32
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replaceAll(tryFont, "/", "\\");
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#endif
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CHECK_FONT_PATH(tryFont.c_str(),"Linux Biolinum O:style=Bold")
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#ifdef FONT_PATH
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// Get distro-specified font path
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CHECK_FONT_PATH(FONT_PATH)
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#endif
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CHECK_FONT_PATH("/usr/share/fonts/truetype/uralic/gothub__.ttf","Gothic Uralic:style=Regular")
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// Check a couple of common paths for Gothic Uralic/bold as a last resort
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// Debian
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/*
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TRANSLATORS: If using the FTGL backend, this should be the path of a bold
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font that contains all the Unicode characters in use in your translation.
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If the font is available in Debian it should be the Debian path.
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*/
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CHECK_FONT_PATH("/usr/share/fonts/truetype/uralic/gothub__.ttf","Gothic Uralic:style=Regular")
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/*
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TRANSLATORS: If using the FTGL backend, this should be the path of a
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font that contains all the Unicode characters in use in your translation.
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If the font is available in Debian it should be the Debian path.
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*/
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CHECK_FONT_PATH("/usr/share/fonts/truetype/uralic/gothu___.ttf","Gothic Uralic:style=Regular")
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// Mandrake
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/*
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TRANSLATORS: If using the FTGL backend, this should be the path of a bold
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font that contains all the Unicode characters in use in your translation.
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If the font is available in Mandrake it should be the Mandrake path.
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*/
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CHECK_FONT_PATH("/usr/share/fonts/TTF/uralic/GOTHUB__.TTF","Gothic Uralic:style=Bold")
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/*
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TRANSLATORS: If using the FTGL backend, this should be the path of a
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font that contains all the Unicode characters in use in your translation.
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If the font is available in Mandrake it should be the Mandrake path.
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*/
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CHECK_FONT_PATH("/usr/share/fonts/TTF/uralic/GOTHU___.TTF","Gothic Uralic:style=Regular")
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// Check the non-translated versions of the above
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CHECK_FONT_PATH("/usr/share/fonts/truetype/uralic/gothub__.ttf","Gothic Uralic:style=Regular")
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CHECK_FONT_PATH("/usr/share/fonts/truetype/uralic/gothu___.ttf","Gothic Uralic:style=Regular")
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CHECK_FONT_PATH("/usr/share/fonts/TTF/uralic/GOTHUB__.TTF","Gothic Uralic:style=Regular")
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CHECK_FONT_PATH("/usr/share/fonts/TTF/uralic/GOTHU___.TTF","Gothic Uralic:style=Regular")
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CHECK_FONT_PATH("/usr/share/fonts/truetype/linux-libertine/LinLibertine_Re.ttf","Linux Libertine O:style=Regular")
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CHECK_FONT_PATH("/usr/share/fonts/truetype/freefont/FreeSerif.ttf","FreeSerif")
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CHECK_FONT_PATH("/usr/share/fonts/truetype/freefont/FreeSans.ttf","FreeSans")
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CHECK_FONT_PATH("/usr/share/fonts/truetype/freefont/FreeMono.ttf","FreeMono")
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#ifdef _WIN32
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CHECK_FONT_PATH("c:\\windows\\fonts\\verdana.ttf",NULL)
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CHECK_FONT_PATH("c:\\windows\\fonts\\tahoma.ttf",NULL)
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CHECK_FONT_PATH("c:\\windows\\fonts\\arial.ttf",NULL)
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CHECK_FONT_PATH("\\windows\\fonts\\arial.ttf",NULL)
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#endif
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return font;
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}
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}}//end namespace
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