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286 lines
8.1 KiB
C++
286 lines
8.1 KiB
C++
// ==============================================================
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// This file is part of the MegaGlest Shared Library (www.megaglest.org)
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//
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// Copyright (C) 2011 Mark Vejvoda and others
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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 3 of the
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// License, or (at your option) any later version
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// ==============================================================
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#ifdef USE_FTGL
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//#include "gettext.h"
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#include "font_textFTGL.h"
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#include <stdexcept>
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#include <sys/stat.h>
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#include <FTGL/ftgl.h>
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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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using namespace std;
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using namespace Shared::Util;
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namespace Shared{ namespace Graphics{ namespace Gl{
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//====================================================================
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TextFTGL::TextFTGL() {
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//setenv("MEGAGLEST_FONT","/usr/share/fonts/truetype/wqy/wqy-zenhei.ttc",0);
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//setenv("MEGAGLEST_FONT","/usr/share/fonts/truetype/arphic/uming.ttc",0); // Chinese
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//setenv("MEGAGLEST_FONT","/usr/share/fonts/truetype/arphic/ukai.ttc",0); // Chinese
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//setenv("MEGAGLEST_FONT","/usr/share/fonts/truetype/ttf-sil-doulos/DoulosSILR.ttf",0); // Russian / Cyrillic
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//setenv("MEGAGLEST_FONT","/usr/share/fonts/truetype/ttf-sil-charis/CharisSILR.ttf",0); // Russian / Cyrillic
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//setenv("MEGAGLEST_FONT","/usr/share/fonts/truetype/ubuntu-font-family/Ubuntu-R.ttf",0); // Russian / Cyrillic
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//setenv("MEGAGLEST_FONT","/usr/share/fonts/truetype/takao/TakaoPGothic.ttf",0); // Japanese
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//setenv("MEGAGLEST_FONT","/usr/share/fonts/truetype/ttf-sil-scheherazade/ScheherazadeRegOT.ttf",0); // Arabic
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//setenv("MEGAGLEST_FONT","/usr/share/fonts/truetype/linux-libertine/LinLibertine_Re.ttf",0); // Hebrew
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//setenv("MEGAGLEST_FONT","/usr/share/fonts/truetype/unifont/unifont.ttf",0); // Czech?
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//setenv("MEGAGLEST_FONT","/usr/share/fonts/truetype/ttf-liberation/LiberationSans-Regular.ttf",0); // Czech?
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fontFile = findFont();
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//ftFont = new FTBufferFont(fontFile);
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//ftFont = new FTGLPixmapFont(fontFile);
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//ftFont = new FTGLExtrdFont(fontFile);
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//ftFont = new FTGLPolygonFont("/usr/share/fonts/truetype/arphic/uming.ttc");
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//ftFont = new FTGLPixmapFont("/usr/share/fonts/truetype/arphic/uming.ttc");
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ftFont = new FTGLPixmapFont(fontFile);
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if(ftFont->Error()) {
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printf("FTGL: error loading font: %s\n", fontFile);
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delete ftFont; ftFont = NULL;
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free((void*)fontFile);
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fontFile = NULL;
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throw runtime_error("FTGL: error loading font");
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}
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free((void*)fontFile);
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fontFile = NULL;
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ftFont->FaceSize(24);
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//ftFont->UseDisplayList(false);
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//ftFont->CharMap(ft_encoding_gb2312);
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//ftFont->CharMap(ft_encoding_big5);
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ftFont->CharMap(ft_encoding_unicode);
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}
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TextFTGL::~TextFTGL() {
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cleanupFont();
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}
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void TextFTGL::cleanupFont() {
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delete ftFont;
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ftFont = NULL;
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free((void*)fontFile);
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fontFile = NULL;
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}
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void TextFTGL::init(string fontName, int fontSize) {
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cleanupFont();
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fontFile = findFont(fontName.c_str());
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//ftFont = new FTBufferFont(fontFile);
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//ftFont = new FTGLPixmapFont(fontFile);
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//ftFont = new FTGLExtrdFont(fontFile);
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//ftFont = new FTGLPolygonFont("/usr/share/fonts/truetype/arphic/uming.ttc");
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//ftFont = new FTGLPixmapFont("/usr/share/fonts/truetype/arphic/uming.ttc");
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ftFont = new FTGLPixmapFont(fontFile);
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if(ftFont->Error()) {
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printf("FTGL: error loading font: %s\n", fontFile);
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delete ftFont; ftFont = NULL;
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free((void*)fontFile);
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fontFile = NULL;
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throw runtime_error("FTGL: error loading font");
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}
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free((void*)fontFile);
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fontFile = NULL;
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if(fontSize > 0) {
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ftFont->FaceSize(fontSize);
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}
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else {
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ftFont->FaceSize(24);
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}
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//ftFont->UseDisplayList(false);
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//ftFont->CharMap(ft_encoding_gb2312);
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//ftFont->CharMap(ft_encoding_big5);
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ftFont->CharMap(ft_encoding_unicode);
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}
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void TextFTGL::SetFaceSize(int value) {
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ftFont->FaceSize(value);
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}
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int TextFTGL::GetFaceSize() {
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return ftFont->FaceSize();
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}
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void TextFTGL::Render(const char* str, const int len) {
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/*
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FTGL renders the whole string when len == 0
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but we don't want any text rendered then.
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*/
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if(len != 0) {
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ftFont->Render(str, len);
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}
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}
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float TextFTGL::Advance(const char* str, const int len) {
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return ftFont->Advance(str, len);
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}
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float TextFTGL::LineHeight(const char* str, const int len) {
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return ftFont->LineHeight();
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}
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void TextFTGL::Render(const wchar_t* str, const int len) {
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/*
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FTGL renders the whole string when len == 0
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but we don't want any text rendered then.
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*/
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if(len != 0) {
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ftFont->Render(str, len);
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}
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}
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float TextFTGL::Advance(const wchar_t* str, const int len) {
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return ftFont->Advance(str, len);
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}
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float TextFTGL::LineHeight(const wchar_t* str, const int len) {
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return ftFont->LineHeight();
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}
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const char* TextFTGL::findFont(const char *firstFontToTry) {
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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) \
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{ \
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path = filename; \
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if( !font && path && fileExists(path) == true ) \
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font = strdup(path); \
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}
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string tryFont = "";
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if(firstFontToTry) {
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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())
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}
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// Get user-specified font path
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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())
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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/gothub__.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())
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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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#ifdef HAVE_FONTCONFIG
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// Get default font via fontconfig
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if( !font && FcInit() ) {
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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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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 (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)
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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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#endif
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CHECK_FONT_PATH("/usr/share/fonts/truetype/uralic/gothub__.ttf")
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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")
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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")
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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")
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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")
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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")
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CHECK_FONT_PATH("/usr/share/fonts/truetype/uralic/gothu___.ttf")
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CHECK_FONT_PATH("/usr/share/fonts/TTF/uralic/GOTHUB__.TTF")
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CHECK_FONT_PATH("/usr/share/fonts/TTF/uralic/GOTHU___.TTF")
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return font;
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}
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}}}//end namespace
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#endif // USE_FTGL
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