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100 lines
2.7 KiB
C++
100 lines
2.7 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*/
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#ifndef GRAPHICS_SURFACE_H
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#define GRAPHICS_SURFACE_H
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#include "common/scummsys.h"
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#include "common/rect.h"
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namespace Graphics {
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/**
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* An arbitrary graphics surface, which can be the target (or source) of blit
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* operations, font rendering, etc.
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*/
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struct Surface {
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/**
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* ARM code relies on the layout of the first 3 of these fields. Do
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* not change them.
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*/
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uint16 w;
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uint16 h;
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uint16 pitch;
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void *pixels;
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uint8 bytesPerPixel;
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Surface() : w(0), h(0), pitch(0), pixels(0), bytesPerPixel(0) {}
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inline const void *getBasePtr(int x, int y) const {
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return (const byte *)(pixels) + y * pitch + x * bytesPerPixel;
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}
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inline void *getBasePtr(int x, int y) {
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return static_cast<byte *>(pixels) + y * pitch + x * bytesPerPixel;
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}
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/**
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* Allocate pixels memory for this surface and for the specified dimension.
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*/
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void create(uint16 width, uint16 height, uint8 bytesPP);
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/**
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* Release the memory used by the pixels memory of this surface. This is the
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* counterpart to create().
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*/
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void free();
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/**
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* Copies data from another Surface, this calls *free* on the current surface, to assure
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* it being clean.
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*/
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void copyFrom(const Surface &surf);
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void drawLine(int x0, int y0, int x1, int y1, uint32 color);
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void hLine(int x, int y, int x2, uint32 color);
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void vLine(int x, int y, int y2, uint32 color);
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void fillRect(Common::Rect r, uint32 color);
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void frameRect(const Common::Rect &r, uint32 color);
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// See comment in graphics/surface.cpp about it
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void move(int dx, int dy, int height);
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};
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/**
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* For safe deletion of surface with SharedPtr.
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* The deleter assures Surface::free is called on
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* deletion.
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*/
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struct SharedPtrSurfaceDeleter {
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void operator()(Surface *ptr) {
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ptr->free();
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delete ptr;
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}
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};
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} // End of namespace Graphics
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#endif
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