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Cristy
89 lines
2.5 KiB
C
89 lines
2.5 KiB
C
/*
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Copyright @ 1999 ImageMagick Studio LLC, a non-profit organization
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dedicated to making software imaging solutions freely available.
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You may not use this file except in compliance with the License. You may
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obtain a copy of the License at
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https://imagemagick.org/license/
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#ifndef MAGICK_CODERS_PRIVATE_H
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#define MAGICK_CODERS_PRIVATE_H
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#include "MagickCore/attribute.h"
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#include "MagickCore/colorspace-private.h"
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#include "MagickCore/property.h"
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#include "MagickCore/string_.h"
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#include "MagickCore/thread-private.h"
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#define MagickCoderHeader(coder,offset,magic) \
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{ coder, offset, (const unsigned char *) (magic), sizeof(magic)-1, MagickFalse },
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#define MagickExtendedCoderHeader(coder,offset,magic,skip_spaces) \
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{ coder, offset, (const unsigned char *) (magic), sizeof(magic)-1, skip_spaces },
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#define MagickCoderAlias(coder,alias) { alias, coder },
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#define MagickCoderExports(coder) \
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extern ModuleExport size_t \
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Register ## coder ## Image(void); \
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extern ModuleExport void \
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Unregister ## coder ## Image(void);
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static inline ImageType IdentifyImageCoderType(const Image *image,
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ExceptionInfo *exception)
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{
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const char
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*value;
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value=GetImageProperty(image,"colorspace:auto-grayscale",exception);
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if (IsStringFalse(value) != MagickFalse)
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return(image->type);
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return(IdentifyImageType(image,exception));
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}
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static inline ImageType IdentifyImageCoderGrayType(const Image *image,
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ExceptionInfo *exception)
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{
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const char
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*value;
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value=GetImageProperty(image,"colorspace:auto-grayscale",exception);
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if (IsStringFalse(value) != MagickFalse)
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return(UndefinedType);
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return(IdentifyImageGray(image,exception));
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}
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static inline MagickBooleanType IdentifyImageCoderGray(const Image *image,
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ExceptionInfo *exception)
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{
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ImageType
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type;
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type=IdentifyImageCoderGrayType(image,exception);
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return(IsGrayImageType(type));
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}
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static inline MagickBooleanType SetImageCoderGray(Image *image,
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ExceptionInfo *exception)
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{
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ImageType
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type;
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if (IsImageGray(image) != MagickFalse)
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return(MagickTrue);
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type=IdentifyImageCoderGrayType(image,exception);
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if (IsGrayImageType(type) == MagickFalse)
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return(MagickFalse);
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image->type=type;
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return(SetImageColorspace(image,GRAYColorspace,exception));
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}
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#endif
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