MagickCore  7.0.7
Convert, Edit, Or Compose Bitmap Images
colormap-private.h
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1 /*
2  Copyright 1999-2018 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://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  MagickCore image colormap methods.
17 */
18 #ifndef MAGICKCORE_COLORMAP_PRIVATE_H
19 #define MAGICKCORE_COLORMAP_PRIVATE_H
20 
21 #include "MagickCore/image.h"
22 #include "MagickCore/color.h"
24 
25 #if defined(__cplusplus) || defined(c_plusplus)
26 extern "C" {
27 #endif
28 
29 static inline ssize_t ConstrainColormapIndex(Image *image,const ssize_t index,
30  ExceptionInfo *exception)
31 {
32  if ((index < 0) || (index >= (ssize_t) image->colors))
33  {
35  "InvalidColormapIndex","`%s'",image->filename);
36  return(0);
37  }
38  return((ssize_t) index);
39 }
40 
41 static inline void ValidateColormapValue(Image *image,
42  const ssize_t index,Quantum *target,ExceptionInfo *exception)
43 {
44  if ((index < 0) || (index >= (ssize_t) image->colors))
45  {
47  "InvalidColormapIndex","`%s'",image->filename);
48  *target=(Quantum) 0;
49  }
50  else
51  *target=(Quantum) index;
52 }
53 
54 #if defined(__cplusplus) || defined(c_plusplus)
55 }
56 #endif
57 
58 #endif
static void ValidateColormapValue(Image *image, const ssize_t index, Quantum *target, ExceptionInfo *exception)
Definition: image.h:151
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:1058
size_t colors
Definition: image.h:172
char filename[MagickPathExtent]
Definition: image.h:319
#define GetMagickModule()
Definition: log.h:28
unsigned short Quantum
Definition: magick-type.h:82
static ssize_t ConstrainColormapIndex(Image *image, const ssize_t index, ExceptionInfo *exception)