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64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef GRAPHICS_IMAGE_ARCHIVE_H
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#define GRAPHICS_IMAGE_ARCHIVE_H
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#include "common/hashmap.h"
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#include "common/path.h"
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namespace Common {
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class Archive;
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}
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namespace Graphics {
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struct Surface;
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/**
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* Helper class for loading PNG images from zip files.
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*/
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class ImageArchive {
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public:
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~ImageArchive();
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/* Frees all previously loaded images. */
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void reset();
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/* Open a new zip archive, after closing the previous one. */
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bool setImageArchive(const Common::Path &fname);
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/* Retrieve an image from the cache, or load it from the archive if it hasn't been loaded previously. */
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const Surface *getImageSurface(const Common::Path &fname) {
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return getImageSurface(fname, 0, 0);
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}
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const Surface *getImageSurface(const Common::Path &fname, int w, int h);
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private:
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#ifdef USE_PNG
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Common::HashMap<Common::Path, Surface *, Common::Path::IgnoreCase_Hash, Common::Path::IgnoreCase_EqualTo> _imageCache;
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#endif
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Common::Archive *_imageArchive = nullptr;
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};
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} // End of namespace Graphics
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#endif
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