cspixmap.h Source File

00001 /*
00002     Crystal Space 3D engine: 2D pixmaps
00003     Copyright (C) 1998,1999 by Andrew Zabolotny <bit@eltech.ru>
00004 
00005     This library is free software; you can redistribute it and/or
00006     modify it under the terms of the GNU Library General Public
00007     License as published by the Free Software Foundation; either
00008     version 2 of the License, or (at your option) any later version.
00009 
00010     This library is distributed in the hope that it will be useful,
00011     but WITHOUT ANY WARRANTY; without even the implied warranty of
00012     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013     Library General Public License for more details.
00014 
00015     You should have received a copy of the GNU Library General Public
00016     License along with this library; if not, write to the Free
00017     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00018 */
00019 
00020 #ifndef __CS_PIXMAP_H__
00021 #define __CS_PIXMAP_H__
00022 
00023 #include "ivideo/graph3d.h"
00024 #include "ivideo/texture.h"
00025 #include "iengine/texture.h"
00026 
00028 #define PIXMAP_TOP      0
00029 #define PIXMAP_LEFT     0
00030 #define PIXMAP_CENTER   1
00031 #define PIXMAP_BOTTOM   2
00032 #define PIXMAP_RIGHT    2
00033 
00041 class csPixmap
00042 {
00043 public:
00045   virtual ~csPixmap() {}
00046 
00048   virtual int Width() = 0;
00050   virtual int Height() = 0;
00052   virtual void Advance(csTicks ElapsedTime) = 0;
00054   virtual iTextureHandle *GetTextureHandle() = 0;
00055 
00057   virtual void DrawScaled (iGraphics3D* g3d, int sx, int sy, int sw, int sh,
00058     uint8 Alpha = 0) = 0;
00060   inline void DrawScaledAlign (iGraphics3D* g3d, int sx, int sy, int sw,
00061       int sh, int alnx, int alny, uint8 Alpha = 0)
00062     { DrawScaled (g3d, sx - alnx * sw / 2, sy - alny * sh / 2, sw, sh, Alpha); }
00064   inline void Draw (iGraphics3D* g3d, int sx, int sy, uint8 Alpha = 0)
00065     { DrawScaled (g3d, sx, sy, Width(), Height(), Alpha); }
00067   inline void DrawAlign (iGraphics3D* g3d, int sx, int sy, int alnx, int alny,
00068       uint8 Alpha = 0)
00069     { DrawScaledAlign (g3d, sx, sy, Width(), Height(), alnx, alny, Alpha); }
00070 
00077   virtual void DrawTiled (iGraphics3D* g3d, int sx, int sy, int sw, int sh,
00078     int orgx, int orgy, uint8 Alpha = 0) = 0;
00080   inline void DrawTiled (iGraphics3D* g3d, int sx, int sy, int w, int h,
00081       uint8 Alpha = 0)
00082     { DrawTiled (g3d, sx, sy, w, h, sx, sy, Alpha); }
00083 };
00084 
00086 class csSimplePixmap : public csPixmap
00087 {
00088 protected:
00089   iTextureHandle *hTex;
00090   int tx, ty, tw, th;
00091 
00092 public:
00094   csSimplePixmap (iTextureHandle *hTexture);
00096   csSimplePixmap (iTextureHandle *hTexture, int x, int y, int w, int h);
00098   virtual ~csSimplePixmap ();
00099 
00101   void SetTextureHandle (iTextureHandle *hTexture);
00103   inline void SetTextureRectangle (int x, int y, int w, int h)
00104   { tx = x; ty = y; tw = w; th = h; }
00105 
00106   // implementation of csPixmap methods
00107   virtual void DrawScaled (iGraphics3D* g3d, int sx, int sy, int sw, int sh,
00108     uint8 Alpha = 0);
00109   virtual void DrawTiled (iGraphics3D* g3d, int sx, int sy, int sw, int sh,
00110     int orgx, int orgy, uint8 Alpha = 0);
00111   virtual int Width ();
00112   virtual int Height ();
00113   virtual void Advance(csTicks /*ElapsedTime*/) {}
00114   virtual iTextureHandle *GetTextureHandle ();
00115 };
00116 
00117 #endif // __CS_PIXMAP_H__