| /* |
| Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization |
| dedicated to making software imaging solutions freely available. |
| |
| You may not use this file except in compliance with the License. You may |
| obtain a copy of the License at |
| |
| https://imagemagick.org/script/license.php |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| |
| MagickCore image colormap methods. |
| */ |
| #ifndef MAGICKCORE_COLORMAP_PRIVATE_H |
| #define MAGICKCORE_COLORMAP_PRIVATE_H |
| |
| #include "MagickCore/image.h" |
| #include "MagickCore/color.h" |
| #include "MagickCore/exception-private.h" |
| |
| #if defined(__cplusplus) || defined(c_plusplus) |
| extern "C" { |
| #endif |
| |
| static inline ssize_t ConstrainColormapIndex(Image *image,const ssize_t index, |
| ExceptionInfo *exception) |
| { |
| if ((index < 0) || (index >= (ssize_t) image->colors)) |
| { |
| if (exception->severity != CorruptImageError) |
| (void) ThrowMagickException(exception,GetMagickModule(), |
| CorruptImageError,"InvalidColormapIndex","`%s'",image->filename); |
| return(0); |
| } |
| return((ssize_t) index); |
| } |
| |
| static inline void ValidateColormapValue(Image *image, |
| const ssize_t index,Quantum *target,ExceptionInfo *exception) |
| { |
| if ((index < 0) || (index >= (ssize_t) image->colors)) |
| { |
| if (exception->severity != CorruptImageError) |
| (void) ThrowMagickException(exception,GetMagickModule(), |
| CorruptImageError,"InvalidColormapIndex","`%s'",image->filename); |
| *target=(Quantum) 0; |
| } |
| else |
| *target=(Quantum) index; |
| } |
| |
| #if defined(__cplusplus) || defined(c_plusplus) |
| } |
| #endif |
| |
| #endif |