diff options
author | Johannes Schickel | 2010-10-13 03:57:44 +0000 |
---|---|---|
committer | Johannes Schickel | 2010-10-13 03:57:44 +0000 |
commit | 75e8452b6e6a2bf4fb2f588aa00b428a60d873b5 (patch) | |
tree | f29541d55309487a94bd1d38e8b53bb3dde9aec6 /engines/sword25/gfx/image/imageloader.cpp | |
parent | 48ee83b88957dab86bc763e9ef21a70179fa8679 (diff) | |
parent | e9f50882ea5b6beeefa994040be9d3bab6a1f107 (diff) | |
download | scummvm-rg350-75e8452b6e6a2bf4fb2f588aa00b428a60d873b5.tar.gz scummvm-rg350-75e8452b6e6a2bf4fb2f588aa00b428a60d873b5.tar.bz2 scummvm-rg350-75e8452b6e6a2bf4fb2f588aa00b428a60d873b5.zip |
OPENGL: Merged from trunk, from rev 52105 to 53396.
This includes an rather hacky attempt to merge all the recent gp2x backend
changes into the branch. I suppose the gp2x backend and probably all new
backends, i.e. gph, dingux etc., might not compile anymore.
Since I have no way of testing those it would be nice if porters could look
into getting those up to speed in this branch.
svn-id: r53399
Diffstat (limited to 'engines/sword25/gfx/image/imageloader.cpp')
-rw-r--r-- | engines/sword25/gfx/image/imageloader.cpp | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/engines/sword25/gfx/image/imageloader.cpp b/engines/sword25/gfx/image/imageloader.cpp new file mode 100644 index 0000000000..55ce833cc9 --- /dev/null +++ b/engines/sword25/gfx/image/imageloader.cpp @@ -0,0 +1,129 @@ +/* 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. + * + * $URL$ + * $Id$ + * + */ + +/* + * This code is based on Broken Sword 2.5 engine + * + * Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdoerfer + * + * Licensed under GNU GPL v2 + * + */ + +#include "sword25/gfx/image/imageloader.h" +#include "sword25/gfx/image/imageloader_ids.h" + +namespace Sword25 { + +#define BS_LOG_PREFIX "IMAGELOADER" + +// Statische Elemente der Klasse BS_ImageLoader intialisieren. +Common::List<ImageLoader *> ImageLoader::_ImageLoaderList; +bool ImageLoader::_ImageLoaderListInitialized = false; + +// Lade Methode +// ------------ + +bool ImageLoader::LoadImage(const byte *pFileData, uint FileSize, + GraphicEngine::COLOR_FORMATS ColorFormat, + byte *&pUncompressedData, + int &Width, int &Height, + int &Pitch) { + // Falls die Liste der BS_ImageLoader noch nicht initialisiert wurde, wird dies getan. + if (!_ImageLoaderListInitialized) + _InitializeLoaderList(); + + // Passenden BS_ImageLoader finden und Bild dekodieren + ImageLoader *pLoader = _FindSuitableImageLoader(pFileData, FileSize); + if (pLoader) { + return pLoader->DecodeImage(pFileData, FileSize, + ColorFormat, + pUncompressedData, + Width, Height, + Pitch); + } + + return false; +} + +// Info Methode +// ------------ + +bool ImageLoader::ExtractImageProperties(const byte *pFileData, uint FileSize, + GraphicEngine::COLOR_FORMATS &ColorFormat, + int &Width, int &Height) { + // Falls die Liste der BS_ImageLoader noch nicht initialisiert wurde, wird dies getan. + if (!_ImageLoaderListInitialized) + _InitializeLoaderList(); + + // Passenden BS_ImageLoader finden und Bildeigenschaften auslesen. + ImageLoader *pLoader = _FindSuitableImageLoader(pFileData, FileSize); + if (pLoader) { + return pLoader->ImageProperties(pFileData, FileSize, + ColorFormat, + Width, Height); + } + + return false; +} + +// Verwaltungs Methoden +// -------------------- + +void ImageLoader::_InitializeLoaderList() { + // Von jedem BS_ImageLoader wird eine Instanz erzeugt, diese fügen sich selbständig in die BS_ImageLoader-Liste ein. + for (int i = 0; i < BS_IMAGELOADER_COUNT; i++) + BS_IMAGELOADER_IDS[i](); + + // Die Liste als gefüllt markieren. + _ImageLoaderListInitialized = true; + + // Sicherstellen, dass beim Beenden alle BS_ImageLoader Instanzen zerstört werden. + atexit(ImageLoader::_DeinitializeLoaderList); +} + +void ImageLoader::_DeinitializeLoaderList() { + while (!_ImageLoaderList.empty()) { + delete _ImageLoaderList.back(); + _ImageLoaderList.pop_back(); + } +} + +ImageLoader *ImageLoader::_FindSuitableImageLoader(const byte *pFileData, uint FileSize) { + // Alle BS_ImageLoader-Objekte durchgehen, bis eins gefunden wurde, dass das Bild laden kann + Common::List<ImageLoader *>::iterator Iter = _ImageLoaderList.begin(); + for (; Iter != _ImageLoaderList.end(); ++Iter) { + // Falls ein geeigneter BS-ImageLoader gefunden wurde, wird er zurückgegeben. + if ((*Iter)->IsCorrectImageFormat(pFileData, FileSize)) { + return (*Iter); + } + } + + // Es konnte kein passender BS_ImageLoader gefunden werden. + BS_LOG_ERRORLN("Could not find suitable image loader for image data."); + return NULL; +} + +} // End of namespace Sword25 |