133 lines
5.8 KiB
C
133 lines
5.8 KiB
C
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/*
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** Command & Conquer Renegade(tm)
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** Copyright 2025 Electronic Arts Inc.
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**
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** This program is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (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, see <http://www.gnu.org/licenses/>.
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*/
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/***********************************************************************************************
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*** 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 ***
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***********************************************************************************************
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* *
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* Project Name : Command & Conquer *
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* *
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* $Archive:: /G/wwlib/xsurface.h $*
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* *
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* $Author:: Eric_c $*
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* *
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* $Modtime:: 4/02/99 12:01p $*
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* *
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* $Revision:: 2 $*
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* *
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*---------------------------------------------------------------------------------------------*
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* Functions: *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#if _MSC_VER >= 1000
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#pragma once
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#endif // _MSC_VER >= 1000
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#ifndef XSURFACE_H
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#define XSURFACE_H
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#include "surface.h"
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/*
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** This is a concrete (mostly) derived class that handles a surface. This layer presumes that
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** pixels are compositied into a contiguous integral (usually a byte) linear array. The
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** implemented routines do not use hardware assist. They are prime candidates to be converted
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** to assembly language.
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*/
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class XSurface : public Surface
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{
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public:
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XSurface(int width=0, int height=0) : Surface(width, height), LockCount(0) {}
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virtual ~XSurface(void) {}
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/*
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** Copies regions from one surface to another.
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*/
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virtual bool Blit_From(Rect const & dcliprect, Rect const & destrect, Surface const & source, Rect const & scliprect, Rect const & sourcerect, bool trans=false);
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virtual bool Blit_From(Rect const & destrect, Surface const & source, Rect const & sourcerect, bool trans=false);
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virtual bool Blit_From(Surface const & source, bool trans=false);
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/*
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** Fills a region with a constant color.
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*/
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virtual bool Fill_Rect(Rect const & rect, int color);
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virtual bool Fill_Rect(Rect const & cliprect, Rect const & fillrect, int color);
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virtual bool Fill(int color);
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/*
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** Fetches and stores a pixel to the display (pixel is in surface format).
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*/
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virtual bool Put_Pixel(Point2D const & point, int color);
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virtual int Get_Pixel(Point2D const & point) const;
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/*
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** Draws lines onto the surface.
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*/
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virtual bool Draw_Line(Point2D const & startpoint, Point2D const & endpoint, int color);
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virtual bool Draw_Line(Rect const & cliprect, Point2D const & startpoint, Point2D const & endpoint, int color);
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/*
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** Draws rectangles onto the surface.
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*/
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virtual bool Draw_Rect(Rect const & rect, int color);
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virtual bool Draw_Rect(Rect const & cliprect, Rect const & rect, int color);
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/*
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** Gets and frees a direct pointer to the video memory.
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*/
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virtual void * Lock(Point2D = Point2D(0, 0)) const {LockCount++;return(NULL);}
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virtual bool Unlock(void) const {LockCount--;return(true);}
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virtual bool Is_Locked(void) const {return(LockCount != 0);}
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/*
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** Queries information about the surface.
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*/
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virtual int Bytes_Per_Pixel(void) const = 0;
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virtual int Stride(void) const = 0;
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/*
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** Hack function to serve the purpose that RTTI was invented for, but since
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** the Watcom compiler doesn't support RTTI, we must resort to using this
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** alternative.
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*/
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virtual bool Is_Direct_Draw(void) const {return(false);}
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/*
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** This routine is handy for preparing to perform some kind of manual blit
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** operation.
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*/
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static bool Prep_For_Blit(Surface & dest, Rect & drect, Surface const & source, Rect & srect, bool & overlapped, void * & dbuffer, void * & sbuffer);
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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);
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/*
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** These are the exposed manual blit routines. They can be called directly if desired.
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*/
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static bool Blit_Trans(Surface & dest, Rect const & destrect, Surface const & source, Rect const & sourcerect);
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static bool Blit_Plain(Surface & dest, Rect const & destrect, Surface const & source, Rect const & sourcerect);
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protected:
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/*
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** Records the number of locks on this surface.
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*/
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mutable int LockCount;
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};
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bool Blit_Clip(Rect & drect, Rect const & dwindow, Rect & srect, Rect const & swindow);
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#endif
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