MagickCore  6.9.10
Convert, Edit, Or Compose Bitmap Images
colormap-private.h
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1 /*
2  Copyright 1999-2019 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  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
_Image::filename
char filename[MaxTextExtent]
Definition: image.h:278
GetMagickModule
#define GetMagickModule()
Definition: log.h:29
CorruptImageError
@ CorruptImageError
Definition: exception.h:60
IndexPacket
Quantum IndexPacket
Definition: pixel.h:129
ConstrainColormapIndex
static IndexPacket ConstrainColormapIndex(Image *image, const ssize_t index)
Definition: colormap-private.h:29
MagickTrue
@ MagickTrue
Definition: magick-type.h:194
_Image
Definition: image.h:152
_ExceptionInfo::severity
ExceptionType severity
Definition: exception.h:105
_Image::colors
size_t colors
Definition: image.h:177
_Image::exception
ExceptionInfo exception
Definition: image.h:287
MagickFalse
@ MagickFalse
Definition: magick-type.h:193
IsValidColormapIndex
static MagickBooleanType IsValidColormapIndex(Image *image, const ssize_t index, IndexPacket *target, ExceptionInfo *exception)
Definition: colormap-private.h:42
image.h
MagickBooleanType
MagickBooleanType
Definition: magick-type.h:191
_ExceptionInfo
Definition: exception.h:102
color.h
exception-private.h
ThrowMagickException
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:1068