MagickCore  6.9.12-67
Convert, Edit, Or Compose Bitmap Images
 All Data Structures
colormap-private.h
1 /*
2  Copyright 1999-2021 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. You may
6  obtain a copy of the License at
7 
8  https://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  MagickCore image colormap methods.
17 */
18 #ifndef MAGICKCORE_COLORMAP_PRIVATE_H
19 #define MAGICKCORE_COLORMAP_PRIVATE_H
20 
21 #include "magick/image.h"
22 #include "magick/color.h"
23 #include "magick/exception-private.h"
24 
25 #if defined(__cplusplus) || defined(c_plusplus)
26 extern "C" {
27 #endif
28 
29 static inline IndexPacket ConstrainColormapIndex(Image *image,
30  const ssize_t index)
31 {
32  if ((index < 0) || (index >= (ssize_t) image->colors))
33  {
34  if (image->exception.severity != CorruptImageError)
35  (void) ThrowMagickException(&image->exception,GetMagickModule(),
36  CorruptImageError,"InvalidColormapIndex","`%s'",image->filename);
37  return((IndexPacket) 0);
38  }
39  return((IndexPacket) index);
40 }
41 
42 static inline MagickBooleanType IsValidColormapIndex(Image *image,
43  const ssize_t index,IndexPacket *target,ExceptionInfo *exception)
44 {
45  if ((index < 0) || (index >= (ssize_t) image->colors))
46  {
47  if (image->exception.severity != CorruptImageError)
48  (void) ThrowMagickException(exception,GetMagickModule(),
49  CorruptImageError,"InvalidColormapIndex","`%s'",image->filename);
50  *target=(IndexPacket) 0;
51  return(MagickFalse);
52  }
53  *target=(IndexPacket) index;
54  return(MagickTrue);
55 }
56 
57 #if defined(__cplusplus) || defined(c_plusplus)
58 }
59 #endif
60 
61 #endif
Definition: image.h:152