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1 /*
2   Copyright 1999-2016 ImageMagick Studio LLC, a non-profit organization
3   dedicated to making software imaging solutions freely available.
4 
5   You may not use this file except in compliance with the License.
6   obtain a copy of the License at
7 
8     http://www.imagemagick.org/script/license.php
9 
10   Unless required by applicable law or agreed to in writing, software
11   distributed under the License is distributed on an "AS IS" BASIS,
12   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   See the License for the specific language governing permissions and
14   limitations under the License.
15 
16   ImageMagick pixel wand API.
17 */
18 #ifndef MAGICKWAND_MAGICK_WAND_PRIVATE_H
19 #define MAGICKWAND_MAGICK_WAND_PRIVATE_H
20 
21 #if defined(__cplusplus) || defined(c_plusplus)
22 extern "C" {
23 #endif
24 
25 #define MagickWandId  "MagickWand"
26 #define QuantumTick(i,span) ((MagickBooleanType) ((((i) & ((i)-1)) == 0) || \
27    (((i) & 0xfff) == 0) || \
28    ((MagickOffsetType) (i) == ((MagickOffsetType) (span)-1))))
29 #define ThrowWandException(severity,tag,context) \
30 { \
31   (void) ThrowMagickException(wand->exception,GetMagickModule(),severity, \
32     tag,"`%s'",context); \
33   return(MagickFalse); \
34 }
35 #define ThrowWandFatalException(severity,tag,context) \
36 { \
37   ExceptionInfo \
38     *fatal_exception; \
39  \
40   fatal_exception=AcquireExceptionInfo(); \
41   (void) ThrowMagickException(fatal_exception,GetMagickModule(),severity,tag, \
42     "`%s'",context); \
43   CatchException(fatal_exception); \
44   (void) DestroyExceptionInfo(fatal_exception); \
45   MagickWandTerminus(); \
46   _exit((int) (severity-FatalErrorException)+1); \
47 }
48 
49 struct _MagickWand
50 {
51   size_t
52     id;
53 
54   char
55     name[MagickPathExtent];  /* Wand name to use for MagickWand Logs */
56 
57   Image
58     *images;          /* The images in this wand - also the current image */
59 
60   ImageInfo
61     *image_info;      /* Global settings used for images in Wand */
62 
63   ExceptionInfo
64     *exception;
65 
66   MagickBooleanType
67     insert_before,    /* wand set to first image, prepend new images */
68     image_pending,    /* this image is pending Next/Previous Iteration */
69     debug;            /* Log calls to MagickWand library */
70 
71   size_t
72     signature;
73 };
74 
75 #if defined(__cplusplus) || defined(c_plusplus)
76 }
77 #endif
78 
79 #endif
80