wand/magick-wand-private.h

/*
  Copyright 1999-2009 ImageMagick Studio LLC, a non-profit organization
  dedicated to making software imaging solutions freely available.
  
  You may not use this file except in compliance with the License.
  obtain a copy of the License at
  
    http://www.imagemagick.org/script/license.php
  
  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.

  ImageMagick pixel wand API.
*/
#ifndef _MAGICKWAND_MAGICK_WAND_PRIVATE_H
#define _MAGICKWAND_MAGICK_WAND_PRIVATE_H

#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif

#define DegreesToRadians(x)  (MagickPI*(x)/180.0)
#define MagickPI  3.14159265358979323846264338327950288419716939937510
#define MagickWandId  "MagickWand"
#define QuantumScale  ((MagickRealType) 1.0/(MagickRealType) QuantumRange)
#define QuantumTick(i,span) ((MagickBooleanType) ((((i) & ((i)-1)) == 0) || \
   (((i) & 0xfff) == 0) || \
   ((MagickOffsetType) (i) == ((MagickOffsetType) (span)-1))))
#define RadiansToDegrees(x) (180.0*(x)/MagickPI)

struct _MagickWand
{
  unsigned long
    id;

  char
    name[MaxTextExtent];

  ExceptionInfo
    *exception;

  ImageInfo
    *image_info;

  QuantizeInfo
    *quantize_info;

  Image
    *images;

  MagickBooleanType
    active,
    pend,
    debug;

  unsigned long
    signature;
};

#if defined(__cplusplus) || defined(c_plusplus)
}
#endif

#endif