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Clipper.h
Package: RayTracing Code.rar　[view]
Upload User: lhwx1029
Upload Date: 2013-03-07
Package Size: 1173k
Code Size: 2k
Category:

3D Graphic

Development Platform:

Visual C++

Clipper.h：Code Content
  1. #if !defined(_CLIPPER_H_)
  2. #define _CLIPPER_H_
  4. /** 3DGPL *************************************************
  5.  * ()                                                     *
  6.  * Header for clipping functions.                         *
  7.  *                                                        *
  8.  * Files:                                                 *
  9.  *  clipp-2d.c               3-D volume and Z clipping;   *
  10.  *  clipp-3d.c               2-D plane clipping.          *
  11.  *                                                        *
  12.  * (c) 1995-98 Sergei Savchenko, (savs@cs.mcgill.ca)      *
  13. **********************************************************/
  15. #include "RayTracing.h"           /* screen dimensions */
  17. #define C_MAX_DIMENSIONS               8    /* X Y Z R G B Tx Ty */
  19. #define C_Z_CLIPPING_MIN              10    /* where z plane is */
  20. #define C_X_CLIPPING_MIN               0    /* clipping cube */
  21. #define C_X_CLIPPING_MAX HW_SCREEN_X_MAX
  22. #define C_Y_CLIPPING_MIN               0
  23. #define C_Y_CLIPPING_MAX HW_SCREEN_Y_MAX
  24. #define C_TOLERANCE                    1    /* when to stop xyz clipping */
  26. void C_init_clipping(int minx,int miny,int maxx,int maxy);
  27. void C_get_bounds(int *minx,int *miny,int *maxx,int *maxy);
  28. int C_set_bounds(int minx,int miny,int maxx,int maxy);
  29. int C_line_x_clipping(int **vertex1,int **vertex2,int dimension);
  30. int C_line_y_clipping(int **vertex1,int **vertex2,int dimension);
  31. int C_polygon_x_clipping(int *from,int *to,int dimension,int length);
  33. int C_volume_clipping(int *min,int *max);
  34. int C_line_z_clipping(int **vertex1,int **vertex2,int dimension);
  35. int C_polygon_z_clipping(int *from,int *to,int dimension,int length);
  36. int C_line_xyz_clipping(int **vertex1,int **vertex2,
  37.                         int *by1,int *by2,int *by3,
  38.                         int dimension
  39.                        );
  40. int C_polygon_xyz_clipping(int *from,int *to,
  41.                            int *by1,int *by2,int *by3,
  42.                            int dimension,int length
  43.                           );
  45. /**********************************************************/
  47. #endif