graph2d.h
00001 /* 00002 Copyright (C) 2001 by Jorrit Tyberghein 00003 Copyright (C) 1998-2000 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 __IVIDEO_GRAPH2D_H__ 00021 #define __IVIDEO_GRAPH2D_H__ 00022 00023 #include <stdarg.h> 00024 #include "csutil/scf.h" 00025 #include "csgfx/rgbpixel.h" 00026 #include "ivideo/texture.h" 00027 #include "iengine/texture.h" 00028 #include "ivideo/cursor.h" 00029 00030 class csRect; 00031 struct iImage; 00032 struct iFontServer; 00033 struct iFont; 00034 struct iNativeWindow; 00035 00039 struct csPixelFormat 00040 { 00046 uint32 RedMask, GreenMask, BlueMask; 00051 int RedShift, GreenShift, BlueShift; 00053 int RedBits, GreenBits, BlueBits; 00054 00061 int PalEntries; 00062 00072 int PixelBytes; 00073 00078 void complete () 00079 { 00080 #define COMPUTE(comp) \ 00081 { \ 00082 unsigned long i, tmp = comp##Mask; \ 00083 for (i = 0; tmp && !(tmp & 1); tmp >>= 1, i++) {} \ 00084 comp##Shift = i; \ 00085 for (i = 0; tmp & 1; tmp >>= 1, i++) {} \ 00086 comp##Bits = i; \ 00087 } 00088 COMPUTE (Red); 00089 COMPUTE (Green); 00090 COMPUTE (Blue); 00091 #undef COMPUTE 00092 } 00093 }; 00094 00096 struct csImageArea 00097 { 00098 int x, y, w, h; 00099 char *data; 00100 00101 inline csImageArea (int sx, int sy, int sw, int sh) 00102 { x = sx; y = sy; w = sw; h = sh; data = NULL; } 00103 }; 00104 00105 SCF_VERSION (iGraphics2D, 2, 0, 2); 00106 00112 struct iGraphics2D : public iBase 00113 { 00115 virtual bool Open () = 0; 00116 00118 virtual void Close () = 0; 00119 00121 virtual int GetWidth () = 0; 00122 00124 virtual int GetHeight () = 0; 00125 00127 virtual int GetPage () = 0; 00128 00130 virtual bool DoubleBuffer (bool Enable) = 0; 00131 00133 virtual bool GetDoubleBufferState () = 0; 00134 00136 virtual csPixelFormat *GetPixelFormat () = 0; 00137 00143 virtual int GetPixelBytes () = 0; 00144 00152 virtual int GetPalEntryCount () = 0; 00153 00155 virtual csRGBpixel *GetPalette () = 0; 00156 00158 virtual void SetRGB (int i, int r, int g, int b) = 0; 00159 00161 virtual void SetClipRect (int nMinX, int nMinY, int nMaxX, int nMaxY) = 0; 00162 00164 virtual void GetClipRect(int& nMinX, int& nMinY, int& nMaxX, int& nMaxY) = 0; 00165 00170 virtual bool BeginDraw () = 0; 00171 00173 virtual void FinishDraw () = 0; 00174 00180 virtual void Print (csRect *pArea) = 0; 00181 00183 virtual void Clear (int color) = 0; 00184 00186 virtual void ClearAll (int color) = 0; 00187 00189 virtual void DrawLine(float x1, float y1, float x2, float y2, int color) = 0; 00190 00192 virtual void DrawBox (int x, int y, int w, int h, int color) = 0; 00193 00198 virtual bool ClipLine (float& x1, float& y1, float& x2, float& y2, 00199 int xmin, int ymin, int xmax, int ymax) = 0; 00200 00202 virtual void DrawPixel (int x, int y, int color) = 0; 00203 00205 virtual unsigned char *GetPixelAt (int x, int y) = 0; 00206 00208 virtual void GetPixel (int x, int y, uint8 &oR, uint8 &oG, uint8 &oB) = 0; 00209 00215 virtual csImageArea *SaveArea (int x, int y, int w, int h) = 0; 00216 00218 virtual void RestoreArea (csImageArea *Area, bool Free) = 0; 00219 00221 virtual void FreeArea (csImageArea *Area) = 0; 00222 00227 virtual void Write (iFont *font, int x, int y, int fg, int bg, 00228 const char *str) = 0; 00229 00234 virtual void WriteBaseline (iFont *font, int x, int y, int fg, int bg, 00235 const char *str) = 0; 00236 00238 virtual void AllowResize (bool iAllow) = 0; 00239 00241 virtual bool Resize (int w, int h) = 0; 00242 00244 virtual iFontServer *GetFontServer () = 0; 00245 00253 virtual bool PerformExtension (char const* command, ...) 00254 CS_GNUC_PRINTF (2, 3) = 0; 00255 00261 virtual bool PerformExtensionV (char const* command, va_list) 00262 CS_GNUC_PRINTF (2, 0) = 0; 00263 00265 virtual iImage *ScreenShot () = 0; 00266 00268 virtual iGraphics2D *CreateOffScreenCanvas (int width, int height, 00269 void *buffer, bool alone_hint, csPixelFormat *ipfmt, 00270 csRGBpixel *palette = NULL, int pal_size = 0) = 0; 00271 00276 virtual iNativeWindow* GetNativeWindow () = 0; 00277 00279 virtual bool GetFullScreen () = 0; 00280 00284 virtual void SetFullScreen (bool b) = 0; 00285 00287 virtual bool SetMousePosition (int x, int y) = 0; 00288 00297 virtual bool SetMouseCursor (csMouseCursorID iShape) = 0; 00298 00299 }; 00300 00301 #endif // __IVIDEO_GRAPH2D_H__ 00302
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