/[xforms]/xforms/image/image_rotate.c
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revision 1.4 by leeming, Thu Apr 24 09:35:34 2003 UTC revision 1.5 by leeming, Tue Sep 9 00:28:25 2003 UTC
# Line 86  flimage_rotate(FL_IMAGE * im, int deg, i Line 86  flimage_rotate(FL_IMAGE * im, int deg, i
86          else          else
87          {          {
88              M_err("flimage_rotate", "InternalError: unsupported image type\n");              M_err("flimage_rotate", "InternalError: unsupported image type\n");
89              return -1;                    return -1;
90          }          }
91    
92          if ((deg % 180) == 0)          if ((deg % 180) == 0)
# Line 106  flimage_rotate(FL_IMAGE * im, int deg, i Line 106  flimage_rotate(FL_IMAGE * im, int deg, i
106          return 0;          return 0;
107      }      }
108    
109      /* three shear is slightly faster , but with general transform,      /* three shear is slightly faster , but with general transform,
110       * we save a lot of code */       * we save a lot of code */
111      mat[0][0] = mat[1][1] = cos(deg * M_PI / 1800.0);      mat[0][0] = mat[1][1] = cos(deg * M_PI / 1800.0);
112      mat[0][1] = sin(deg * M_PI / 1800.0);      mat[0][1] = sin(deg * M_PI / 1800.0);

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