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/*
* Copyright (C) 2006-2025 by the Widelands Development Team
*
* 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, see <https://www.gnu.org/licenses/>.
*
*/
#ifndef WL_GRAPHIC_IMAGE_IO_H
#define WL_GRAPHIC_IMAGE_IO_H
#include <memory>
#include "base/wexception.h"
class FileSystem;
class Texture;
class StreamWrite;
struct SDL_Surface;
class ImageNotFound : public WException {
public:
explicit ImageNotFound(const std::string& fn) : wexception("Image not found: %s", fn.c_str()) {
}
};
class ImageLoadingError : public WException {
public:
ImageLoadingError(const std::string& fn, const std::string& reason)
: wexception("Error loading %s: %s", fn.c_str(), reason.c_str()) {
}
};
/// Loads the image 'fn' from 'fs'.
std::unique_ptr<Texture> load_image(const std::string& fn, FileSystem* fs = nullptr);
/// Loads the image 'fn' from 'fs' into an SDL_Surface. Caller must SDL_FreeSurface() the returned
/// value.
SDL_Surface* load_image_as_sdl_surface(const std::string& fn, FileSystem* fs = nullptr);
/// Saves the 'texture' to 'sw' as a PNG.
enum class ColorType { RGB, RGBA };
bool save_to_png(Texture* texture, StreamWrite* sw, ColorType color_type);
#endif // end of include guard: WL_GRAPHIC_IMAGE_IO_H
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