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//This file is part of Glest Shared Library (www.glest.org)
//Copyright (C) 2005 Matthias Braun <matze@braunis.de>
//You can redistribute this code and/or modify it under
//the terms of the GNU General Public License as published by the Free Software
//Foundation; either version 2 of the License, or (at your option) any later
//version.
#include "gl_wrap.h"
#include <iostream>
#include <sstream>
#include <stdexcept>
#include <cassert>
#include <GL/glx.h>
#include "opengl.h"
#include "sdl_private.h"
#include "noimpl.h"
#include "util.h"
#include "window.h"
#include <vector>
#include "font_gl.h"
#include "leak_dumper.h"
using namespace Shared::Graphics::Gl;
using namespace Shared::Util;
namespace Shared { namespace Platform {
// ======================================
// Global Fcs
// ======================================
#if !defined(__APPLE__)
void createGlFontBitmaps(uint32 &base, const string &type, int size, int width,
int charCount, FontMetrics &metrics) {
Display* display = glXGetCurrentDisplay();
if(display == 0) {
throw std::runtime_error("Couldn't create font: display is 0");
}
if(SystemFlags::VERBOSE_MODE_ENABLED) printf("About to try font [%s]\n",type.c_str());
//printf("About to try font [%s]\n",type.c_str());
XFontStruct* fontInfo = XLoadQueryFont(display, type.c_str());
if(fontInfo == NULL) {
string default_font = FontGl::getDefault_fontType();
//throw std::runtime_error("Font not found: [" + type + "]");
SystemFlags::OutputDebug(SystemFlags::debugError,"Font not found [%s] trying to fallback to [%s]\n",type.c_str(),default_font.c_str());
//printf("Font not found [%s] trying to fallback to [%s]\n",type.c_str(),default_font.c_str());
fontInfo = XLoadQueryFont(display, default_font.c_str());
if(fontInfo == NULL) {
throw std::runtime_error("Font not found: [" + type + "]");
}
}
// we need the height of 'a' which sould ~ be half ascent+descent
//printf("Font height [%s] = %d\n",type.c_str(),(fontInfo->ascent + fontInfo->descent) / 2);
metrics.setHeight(static_cast<float>
(fontInfo->ascent + fontInfo->descent) / 2);
int first = (fontInfo->min_byte1 << 8) + fontInfo->min_char_or_byte2;
int last = (fontInfo->max_byte1 << 8) + fontInfo->max_char_or_byte2;
int count = last - first + 1;
/*
// 16-bit fonts have more than one row; indexing into
// per_char is trickier.
int rows = fontInfo->max_byte1 - fontInfo->min_byte1 + 1;
int pages = fontInfo->max_char_or_byte2 - fontInfo->min_char_or_byte2 + 1;
int byte1, byte2, index;
int charIndex = 0;
int charWidth, charHeight;
XChar2b character;
for (int i = first; count; i++, count--) {
bool skipToEnd = false;
int undefined = 0;
if (rows == 1) {
undefined = (fontInfo->min_char_or_byte2 > i ||
fontInfo->max_char_or_byte2 < i);
}
else {
byte2 = i & 0xff;
byte1 = i >> 8;
undefined = (fontInfo->min_char_or_byte2 > byte2 ||
fontInfo->max_char_or_byte2 < byte2 ||
fontInfo->min_byte1 > byte1 ||
fontInfo->max_byte1 < byte1);
}
if (undefined) {
skipToEnd = true;
}
else if (fontInfo->per_char != NULL) {
if (rows == 1) {
index = i - fontInfo->min_char_or_byte2;
}
else {
byte2 = i & 0xff;
byte1 = i >> 8;
index =
(byte1 - fontInfo->min_byte1) * pages +
(byte2 - fontInfo->min_char_or_byte2);
}
XCharStruct *charinfo = &(fontInfo->per_char[index]);
charWidth = charinfo->rbearing - charinfo->lbearing;
charHeight = charinfo->ascent + charinfo->descent;
if (charWidth == 0 || charHeight == 0) {
//if (charinfo->width != 0) {
//}
skipToEnd = true;
}
if(skipToEnd == false) {
metrics.setWidth(charIndex, static_cast<float> (fontInfo->per_char[index].width));
charIndex++;
}
}
if(skipToEnd == false) {
character.byte2 = i & 255;
character.byte1 = i >> 8;
}
}
//Shared::Graphics::Font::charCount = charIndex;
*/
//for(unsigned int i = 0; fontInfo->per_char != NULL && i < static_cast<unsigned int> (charCount); ++i) {
for(unsigned int i = 0; fontInfo->per_char != NULL && i < static_cast<unsigned int> (count); ++i) {
if(i < fontInfo->min_char_or_byte2 ||
i > fontInfo->max_char_or_byte2) {
metrics.setWidth(i, static_cast<float>(6));
}
else {
int p = i - fontInfo->min_char_or_byte2;
metrics.setWidth(i, static_cast<float> (
fontInfo->per_char[p].width));
// fontInfo->per_char[p].rbearing
// - fontInfo->per_char[p].lbearing));
}
}
glXUseXFont(fontInfo->fid, 0, charCount, base);
XFreeFont(display, fontInfo);
}
void createGlFontOutlines(uint32 &base, const string &type, int width,
float depth, int charCount, FontMetrics &metrics) {
NOIMPL;
}
#endif
}}//end namespace
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