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/* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef GRAPHICS_IMAGE_ARCHIVE_H
#define GRAPHICS_IMAGE_ARCHIVE_H
#include "common/hashmap.h"
#include "common/path.h"
namespace Common {
class Archive;
}
namespace Graphics {
struct Surface;
/**
* Helper class for loading PNG images from zip files.
*/
class ImageArchive {
public:
~ImageArchive();
/* Frees all previously loaded images. */
void reset();
/* Open a new zip archive, after closing the previous one. */
bool setImageArchive(const Common::Path &fname);
/* Retrieve an image from the cache, or load it from the archive if it hasn't been loaded previously. */
const Surface *getImageSurface(const Common::Path &fname) {
return getImageSurface(fname, 0, 0);
}
const Surface *getImageSurface(const Common::Path &fname, int w, int h);
private:
#ifdef USE_PNG
Common::HashMap<Common::Path, Surface *, Common::Path::IgnoreCase_Hash, Common::Path::IgnoreCase_EqualTo> _imageCache;
#endif
Common::Archive *_imageArchive = nullptr;
};
} // End of namespace Graphics
#endif
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