scummvm/graphics/scaler.h
2021-03-15 16:48:40 +02:00

58 lines
1.9 KiB
C

/* 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 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef GRAPHICS_SCALER_H
#define GRAPHICS_SCALER_H
#include "common/scummsys.h"
#include "graphics/surface.h"
// 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);
#endif