scummvm/engines/wintermute/FontGlyphCache.cpp
2012-06-02 13:01:27 +02:00

103 lines
3.3 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it 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.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
/*
* This file is based on WME Lite.
* http://dead-code.org/redir.php?target=wmelite
* Copyright (c) 2011 Jan Nedoma
*/
#include "FontGlyphCache.h"
namespace WinterMute {
//////////////////////////////////////////////////////////////////////////
FontGlyphCache::FontGlyphCache() {
}
//////////////////////////////////////////////////////////////////////////
FontGlyphCache::~FontGlyphCache() {
GlyphInfoMap::iterator it;
for (it = _glyphs.begin(); it != _glyphs.end(); ++it) {
delete it->_value;
it->_value = NULL;
}
}
//////////////////////////////////////////////////////////////////////////
bool FontGlyphCache::HasGlyph(wchar_t ch) {
return (_glyphs.find(ch) != _glyphs.end());
}
//////////////////////////////////////////////////////////////////////////
void FontGlyphCache::Initialize() {
}
//////////////////////////////////////////////////////////////////////////
GlyphInfo *FontGlyphCache::GetGlyph(wchar_t ch) {
GlyphInfoMap::const_iterator it;
it = _glyphs.find(ch);
if (it == _glyphs.end()) return NULL;
return it->_value;
}
/*
//////////////////////////////////////////////////////////////////////////
void FontGlyphCache::AddGlyph(wchar_t ch, int glyphIndex, FT_GlyphSlot glyphSlot, size_t width, size_t height, byte *pixels, size_t stride) {
if (stride == 0) stride = width;
_glyphs[ch] = new GlyphInfo(glyphIndex);
_glyphs[ch]->SetGlyphInfo(glyphSlot->advance.x / 64.f, glyphSlot->advance.y / 64.f, glyphSlot->bitmap_left, glyphSlot->bitmap_top);
_glyphs[ch]->SetGlyphImage(width, height, stride, pixels);
}
*/
//////////////////////////////////////////////////////////////////////////
void GlyphInfo::SetGlyphImage(size_t width, size_t height, size_t stride, byte *pixels) {
warning("GlyphInfo::SetGlyphImage - Not ported yet");
#if 0
if (_image) SDL_FreeSurface(_image);
_image = SDL_CreateRGBSurface(SDL_SWSURFACE, width, height, 32, 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000);
SDL_LockSurface(_image);
Uint8 *buf = (Uint8 *)_image->pixels;
for (int y = 0; y < height; y++) {
Uint32 *buf32 = (Uint32 *)buf;
for (int x = 0; x < width; x++) {
byte alpha = pixels[y * stride + x];
Uint32 color = SDL_MapRGBA(_image->format, 255, 255, 255, alpha);
buf32[x] = color;
}
buf += _image->pitch;
}
SDL_UnlockSurface(_image);
#endif
}
} // end of namespace WinterMute