forked from openkylin/imagemagick
209 lines
8.8 KiB
C
209 lines
8.8 KiB
C
/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% TTTTT IIIII L EEEEE %
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% T I L E %
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% T I L EEE %
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% T I L E %
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% T IIIII LLLLL EEEEE %
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% %
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% %
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% Return A Tiled Image Using Texture. %
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% %
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% Software Design %
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% Cristy %
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% July 1992 %
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% %
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% %
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% Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization %
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% dedicated to making software imaging solutions freely available. %
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% %
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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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% %
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% https://imagemagick.org/script/license.php %
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% %
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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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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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%
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*/
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/*
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Include declarations.
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*/
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#include "magick/studio.h"
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#include "magick/blob.h"
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#include "magick/blob-private.h"
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#include "magick/constitute.h"
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#include "magick/exception.h"
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#include "magick/exception-private.h"
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#include "magick/image.h"
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#include "magick/image-private.h"
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#include "magick/list.h"
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#include "magick/magick.h"
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#include "magick/memory_.h"
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#include "magick/monitor.h"
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#include "magick/monitor-private.h"
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#include "magick/pixel-accessor.h"
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#include "magick/quantum-private.h"
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#include "magick/static.h"
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#include "magick/string_.h"
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#include "magick/module.h"
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% R e a d T I L E I m a g e %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% ReadTILEImage tiles a texture on an image. It allocates the
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% memory necessary for the new Image structure and returns a pointer to the
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% new image.
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%
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% The format of the ReadTILEImage method is:
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%
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% Image *ReadTILEImage(const ImageInfo *image_info,
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% ExceptionInfo *exception)
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%
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% A description of each parameter follows:
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%
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% o image_info: the image info.
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%
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% o exception: return any errors or warnings in this structure.
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%
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*/
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static Image *ReadTILEImage(const ImageInfo *image_info,
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ExceptionInfo *exception)
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{
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Image
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*image,
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*tile_image;
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ImageInfo
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*read_info;
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MagickBooleanType
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status;
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/*
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Initialize Image structure.
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*/
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assert(image_info != (const ImageInfo *) NULL);
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assert(image_info->signature == MagickCoreSignature);
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if (image_info->debug != MagickFalse)
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(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
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image_info->filename);
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assert(exception != (ExceptionInfo *) NULL);
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assert(exception->signature == MagickCoreSignature);
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read_info=CloneImageInfo(image_info);
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SetImageInfoBlob(read_info,(void *) NULL,0);
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*read_info->magick='\0';
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if (read_info->size != (char *) NULL)
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read_info->size=DestroyString(read_info->size);
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tile_image=ReadImage(read_info,exception);
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read_info=DestroyImageInfo(read_info);
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if (tile_image == (Image *) NULL)
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return((Image *) NULL);
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image=AcquireImage(image_info);
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if ((image->columns == 0) || (image->rows == 0))
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ThrowReaderException(OptionError,"MustSpecifyImageSize");
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status=SetImageExtent(image,image->columns,image->rows);
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if (status == MagickFalse)
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{
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InheritException(exception,&image->exception);
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return(DestroyImageList(image));
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}
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if (*image_info->filename == '\0')
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ThrowReaderException(OptionError,"MustSpecifyAnImageName");
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image->colorspace=tile_image->colorspace;
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image->matte=tile_image->matte;
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(void) CopyMagickString(image->filename,image_info->filename,MaxTextExtent);
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if (LocaleCompare(tile_image->magick,"PATTERN") == 0)
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{
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tile_image->tile_offset.x=0;
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tile_image->tile_offset.y=0;
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}
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(void) TextureImage(image,tile_image);
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tile_image=DestroyImage(tile_image);
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if ((image->colorspace == LinearGRAYColorspace) ||
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(image->colorspace == GRAYColorspace))
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image->type=GrayscaleType;
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return(GetFirstImageInList(image));
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}
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% R e g i s t e r T I L E I m a g e %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% RegisterTILEImage() adds attributes for the TILE image format to
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% the list of supported formats. The attributes include the image format
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% tag, a method to read and/or write the format, whether the format
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% supports the saving of more than one frame to the same file or blob,
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% whether the format supports native in-memory I/O, and a brief
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% description of the format.
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%
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% The format of the RegisterTILEImage method is:
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%
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% size_t RegisterTILEImage(void)
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%
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*/
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ModuleExport size_t RegisterTILEImage(void)
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{
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MagickInfo
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*entry;
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entry=SetMagickInfo("TILE");
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entry->decoder=(DecodeImageHandler *) ReadTILEImage;
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entry->raw=MagickTrue;
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entry->endian_support=MagickTrue;
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entry->format_type=ImplicitFormatType;
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entry->description=ConstantString("Tile image with a texture");
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entry->magick_module=ConstantString("TILE");
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(void) RegisterMagickInfo(entry);
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return(MagickImageCoderSignature);
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}
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% U n r e g i s t e r T I L E I m a g e %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% UnregisterTILEImage() removes format registrations made by the
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% TILE module from the list of supported formats.
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%
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% The format of the UnregisterTILEImage method is:
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%
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% UnregisterTILEImage(void)
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%
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*/
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ModuleExport void UnregisterTILEImage(void)
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{
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(void) UnregisterMagickInfo("TILE");
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}
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