MagickCore  6.9.10
Convert, Edit, Or Compose Bitmap Images
colormap-private.h
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1 /*
2  Copyright 1999-2020 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 MagickBooleanType IsValidColormapIndex(Image *image, const ssize_t index, IndexPacket *target, ExceptionInfo *exception)
Definition: colormap-private.h:42
static IndexPacket ConstrainColormapIndex(Image *image, const ssize_t index)
Definition: colormap-private.h:29
Definition: exception.h:102
Definition: image.h:152
MagickBooleanType
Definition: magick-type.h:198
char filename[MaxTextExtent]
Definition: image.h:278
Definition: magick-type.h:201
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
Definition: exception.h:60
size_t colors
Definition: image.h:174
#define GetMagickModule()
Definition: log.h:29
Definition: magick-type.h:200
Quantum IndexPacket
Definition: pixel.h:129
ExceptionInfo exception
Definition: image.h:287
ExceptionType severity
Definition: exception.h:105