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Diffstat (limited to 'backends/vkeybd/imageman.cpp')
-rw-r--r-- | backends/vkeybd/imageman.cpp | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/backends/vkeybd/imageman.cpp b/backends/vkeybd/imageman.cpp new file mode 100644 index 0000000000..5b9c011875 --- /dev/null +++ b/backends/vkeybd/imageman.cpp @@ -0,0 +1,131 @@ +/* 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. + * + * $URL$ + * $Id$ + */ + +#include "backends/vkeybd/imageman.h" +#include "graphics/imagedec.h" +#include "graphics/surface.h" + +#include "common/unzip.h" + +DECLARE_SINGLETON(Graphics::ImageManager); + +namespace Graphics { + +ImageManager::ImageManager() { +} + +ImageManager::~ImageManager() { + for (Iterator pos = _surfaces.begin(); pos != _surfaces.end(); ++pos) { + (*pos)->surface->free(); + delete (*pos)->surface; + delete *pos; + *pos = 0; + } + _surfaces.clear(); +} + +bool ImageManager::addArchive(const Common::String &name) { +#ifdef USE_ZLIB + Common::ZipArchive *arch = new Common::ZipArchive(name); + if (!arch || !arch->isOpen()) + return false; + _archives.add(name, arch); +#endif + return true; +} + +void ImageManager::removeArchive(const Common::String &name) { +#ifdef USE_ZLIB + _archives.remove(name); +#endif +} + +bool ImageManager::registerSurface(const Common::String &name, Surface *surf) { + if (getSurface(name)) { + return false; + } + + Entry *newHandle = new Entry; + if (!newHandle) + return false; + + if (!surf) + surf = ImageDecoder::loadFile(name); + +#ifdef USE_ZLIB + if (!surf) { + Common::SeekableReadStream *stream = _archives.openFile(name); + if (stream) { + surf = ImageDecoder::loadFile(*stream); + delete stream; + } + } +#endif + + if (!surf) + return false; + + newHandle->surface = surf; + newHandle->name = name; + _surfaces.push_back(newHandle); + + return true; +} + +bool ImageManager::unregisterSurface(const Common::String &name) { + Iterator pos = searchHandle(name); + if (pos == _surfaces.end()) { + // no surface handle it as success + return true; + } + + (*pos)->surface->free(); + delete (*pos)->surface; + delete *pos; + *pos = 0; + + _surfaces.erase(pos); + + return true; +} + +Surface * ImageManager::getSurface(const Common::String &name) { + Iterator pos = searchHandle(name); + if (pos == _surfaces.end()) { + // no surface handle it as success + return 0; + } + return (*pos)->surface; +} + +ImageManager::Iterator ImageManager::searchHandle(const Common::String &name) { + Iterator pos = _surfaces.begin(); + while (pos != _surfaces.end()) { + if ((*pos)->name == name) + break; + ++pos; + } + return pos; +} +} // end of namespace Graphics |