MagickCore  6.9.11-60
Convert, Edit, Or Compose Bitmap Images
colormap-private.h
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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"
24 
25 #if defined(__cplusplus) || defined(c_plusplus)
26 extern "C" {
27 #endif
28 
30  const ssize_t index)
31 {
32  if ((index < 0) || (index >= (ssize_t) image->colors))
33  {
34  if (image->exception.severity != CorruptImageError)
36  CorruptImageError,"InvalidColormapIndex","`%s'",image->filename);
37  return((IndexPacket) 0);
38  }
39  return((IndexPacket) index);
40 }
41 
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
static IndexPacket ConstrainColormapIndex(Image *image, const ssize_t index)
Definition: colormap-private.h:29
static MagickBooleanType IsValidColormapIndex(Image *image, const ssize_t index, IndexPacket *target, ExceptionInfo *exception)
Definition: colormap-private.h:42
MagickExport MagickBooleanType ThrowMagickException(ExceptionInfo *exception, const char *module, const char *function, const size_t line, const ExceptionType severity, const char *tag, const char *format,...)
Definition: exception.c:1149
@ CorruptImageError
Definition: exception.h:60
#define GetMagickModule()
Definition: log.h:29
MagickBooleanType
Definition: magick-type.h:203
@ MagickFalse
Definition: magick-type.h:204
@ MagickTrue
Definition: magick-type.h:205
Quantum IndexPacket
Definition: pixel.h:129
Definition: exception.h:103
ExceptionType severity
Definition: exception.h:105
Definition: image.h:153
ExceptionInfo exception
Definition: image.h:287
char filename[MaxTextExtent]
Definition: image.h:278
size_t colors
Definition: image.h:177