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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_SCALER_H
#define GRAPHICS_SCALER_H
#include "common/scummsys.h"
#include "graphics/surface.h"
namespace Graphics {
class ManagedSurface;
}
// creates a 160x100 thumbnail for 320x200 games
// and 160x120 thumbnail for 320x240 and 640x480 games
// only 565 mode
enum {
kThumbnailWidth = 160,
kThumbnailHeight1 = 100,
kThumbnailHeight2 = 120
};
/**
* Creates a thumbnail from the current screen (without overlay).
*
* @param surf a surface (will always have 16 bpp after this for now)
* @return false if a error occurred
*/
extern bool createThumbnailFromScreen(Graphics::Surface *surf);
/**
* Creates a thumbnail from a buffer.
*
* @param surf destination surface (will always have 16 bpp after this for now)
* @param pixels raw pixel data
* @param w width
* @param h height
* @param palette palette in RGB format
*/
extern bool createThumbnail(Graphics::Surface *surf, const uint8 *pixels, int w, int h, const uint8 *palette);
/**
* Creates a thumbnail from a ManagedSurface.
*
* @param surf destination surface (will always have 16 bpp after this for now)
* @param in source surface to create thumbnail from
*/
extern bool createThumbnail(Graphics::Surface *surf, Graphics::ManagedSurface *in);
#endif
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