scaler.h

/* 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
};
 
extern bool createThumbnailFromScreen(Graphics::Surface *surf);
 
extern bool createThumbnail(Graphics::Surface *surf, const uint8 *pixels, int w, int h, const uint8 *palette);
 
extern bool createThumbnail(Graphics::Surface *surf, Graphics::ManagedSurface *in);
 
#endif