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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 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.
*
* $URL$
* $Id$
*/
#ifndef GRAPHICS_SURFACE_H
#define GRAPHICS_SURFACE_H
#include "common/scummsys.h"
#include "common/rect.h"
namespace Graphics {
/**
* An arbitrary graphics surface, which can be the target (or source) of blit
* operations, font rendering, etc.
*/
struct Surface {
/**
* ARM code relies on the layout of the first 3 of these fields. Do
* not change them.
*/
uint16 w;
uint16 h;
uint16 pitch;
void *pixels;
uint8 bytesPerPixel;
Surface() : w(0), h(0), pitch(0), pixels(0), bytesPerPixel(0) {}
inline const void *getBasePtr(int x, int y) const {
return (const byte *)(pixels) + y * pitch + x * bytesPerPixel;
}
inline void *getBasePtr(int x, int y) {
return static_cast<byte *>(pixels) + y * pitch + x * bytesPerPixel;
}
/**
* Allocate pixels memory for this surface and for the specified dimension.
*/
void create(uint16 width, uint16 height, uint8 bytesPP);
/**
* Release the memory used by the pixels memory of this surface. This is the
* counterpart to create().
*/
void free();
/**
* Copies data from another Surface, this calls *free* on the current surface, to assure
* it being clean.
*/
void copyFrom(const Surface &surf);
void drawLine(int x0, int y0, int x1, int y1, uint32 color);
void hLine(int x, int y, int x2, uint32 color);
void vLine(int x, int y, int y2, uint32 color);
void fillRect(Common::Rect r, uint32 color);
void frameRect(const Common::Rect &r, uint32 color);
// See comment in graphics/surface.cpp about it
void move(int dx, int dy, int height);
};
/**
* For safe deletion of surface with SharedPtr.
* The deleter assures Surface::free is called on
* deletion.
*/
struct SharedPtrSurfaceDeleter {
void operator()(Surface *ptr) {
ptr->free();
delete ptr;
}
};
} // End of namespace Graphics
#endif
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