This repository has been archived on 2025-02-27. You can view files and clone it, but cannot push or open issues or pull requests.
CnC_Renegade/Code/wwlib/xsurface.h

133 lines
5.8 KiB
C
Raw Permalink Normal View History

/*
** Command & Conquer Renegade(tm)
** Copyright 2025 Electronic Arts Inc.
**
** 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/>.
*/
/***********************************************************************************************
*** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S ***
***********************************************************************************************
* *
* Project Name : Command & Conquer *
* *
* $Archive:: /G/wwlib/xsurface.h $*
* *
* $Author:: Eric_c $*
* *
* $Modtime:: 4/02/99 12:01p $*
* *
* $Revision:: 2 $*
* *
*---------------------------------------------------------------------------------------------*
* Functions: *
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
#if _MSC_VER >= 1000
#pragma once
#endif // _MSC_VER >= 1000
#ifndef XSURFACE_H
#define XSURFACE_H
#include "surface.h"
/*
** This is a concrete (mostly) derived class that handles a surface. This layer presumes that
** pixels are compositied into a contiguous integral (usually a byte) linear array. The
** implemented routines do not use hardware assist. They are prime candidates to be converted
** to assembly language.
*/
class XSurface : public Surface
{
public:
XSurface(int width=0, int height=0) : Surface(width, height), LockCount(0) {}
virtual ~XSurface(void) {}
/*
** Copies regions from one surface to another.
*/
virtual bool Blit_From(Rect const & dcliprect, Rect const & destrect, Surface const & source, Rect const & scliprect, Rect const & sourcerect, bool trans=false);
virtual bool Blit_From(Rect const & destrect, Surface const & source, Rect const & sourcerect, bool trans=false);
virtual bool Blit_From(Surface const & source, bool trans=false);
/*
** Fills a region with a constant color.
*/
virtual bool Fill_Rect(Rect const & rect, int color);
virtual bool Fill_Rect(Rect const & cliprect, Rect const & fillrect, int color);
virtual bool Fill(int color);
/*
** Fetches and stores a pixel to the display (pixel is in surface format).
*/
virtual bool Put_Pixel(Point2D const & point, int color);
virtual int Get_Pixel(Point2D const & point) const;
/*
** Draws lines onto the surface.
*/
virtual bool Draw_Line(Point2D const & startpoint, Point2D const & endpoint, int color);
virtual bool Draw_Line(Rect const & cliprect, Point2D const & startpoint, Point2D const & endpoint, int color);
/*
** Draws rectangles onto the surface.
*/
virtual bool Draw_Rect(Rect const & rect, int color);
virtual bool Draw_Rect(Rect const & cliprect, Rect const & rect, int color);
/*
** Gets and frees a direct pointer to the video memory.
*/
virtual void * Lock(Point2D = Point2D(0, 0)) const {LockCount++;return(NULL);}
virtual bool Unlock(void) const {LockCount--;return(true);}
virtual bool Is_Locked(void) const {return(LockCount != 0);}
/*
** Queries information about the surface.
*/
virtual int Bytes_Per_Pixel(void) const = 0;
virtual int Stride(void) const = 0;
/*
** Hack function to serve the purpose that RTTI was invented for, but since
** the Watcom compiler doesn't support RTTI, we must resort to using this
** alternative.
*/
virtual bool Is_Direct_Draw(void) const {return(false);}
/*
** This routine is handy for preparing to perform some kind of manual blit
** operation.
*/
static bool Prep_For_Blit(Surface & dest, Rect & drect, Surface const & source, Rect & srect, bool & overlapped, void * & dbuffer, void * & sbuffer);
static bool Prep_For_Blit(Surface & dest, Rect const & dcliprect, Rect & drect, Surface const & source, Rect const & scliprect, Rect & srect, bool & overlapped, void * & dbuffer, void * & sbuffer);
/*
** These are the exposed manual blit routines. They can be called directly if desired.
*/
static bool Blit_Trans(Surface & dest, Rect const & destrect, Surface const & source, Rect const & sourcerect);
static bool Blit_Plain(Surface & dest, Rect const & destrect, Surface const & source, Rect const & sourcerect);
protected:
/*
** Records the number of locks on this surface.
*/
mutable int LockCount;
};
bool Blit_Clip(Rect & drect, Rect const & dwindow, Rect & srect, Rect const & swindow);
#endif