/*
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% %
% %
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% TTTTT IIIII L EEEEE %
% T I L E %
% T I L EEE %
% T I L E %
% T IIIII LLLLL EEEEE %
% %
% %
% Return A Tiled Image Using Texture. %
% %
% Software Design %
% Cristy %
% July 1992 %
% %
% %
% Copyright 1999-2019 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. %
% %
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%
%
*/
/*
Include declarations.
*/
#include "MagickCore/studio.h"
#include "MagickCore/blob.h"
#include "MagickCore/blob-private.h"
#include "MagickCore/constitute.h"
#include "MagickCore/exception.h"
#include "MagickCore/exception-private.h"
#include "MagickCore/image.h"
#include "MagickCore/image-private.h"
#include "MagickCore/list.h"
#include "MagickCore/magick.h"
#include "MagickCore/memory_.h"
#include "MagickCore/monitor.h"
#include "MagickCore/monitor-private.h"
#include "MagickCore/quantum-private.h"
#include "MagickCore/static.h"
#include "MagickCore/string_.h"
#include "MagickCore/module.h"
/*
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% R e a d T I L E I m a g e %
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% ReadTILEImage tiles a texture on an image. It allocates the
% memory necessary for the new Image structure and returns a pointer to the
% new image.
%
% The format of the ReadTILEImage method is:
%
% Image *ReadTILEImage(const ImageInfo *image_info,
% ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o image_info: the image info.
%
% o exception: return any errors or warnings in this structure.
%
*/
static Image *ReadTILEImage(const ImageInfo *image_info,
ExceptionInfo *exception)
{
Image
*image,
*tile_image;
ImageInfo
*read_info;
MagickBooleanType
status;
/*
Initialize Image structure.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickCoreSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickCoreSignature);
read_info=CloneImageInfo(image_info);
SetImageInfoBlob(read_info,(void *) NULL,0);
*read_info->magick='\0';
if (read_info->size != (char *) NULL)
read_info->size=DestroyString(read_info->size);
tile_image=ReadImage(read_info,exception);
read_info=DestroyImageInfo(read_info);
if (tile_image == (Image *) NULL)
return((Image *) NULL);
image=AcquireImage(image_info,exception);
if ((image->columns == 0) || (image->rows == 0))
ThrowReaderException(OptionError,"MustSpecifyImageSize");
if (*image_info->filename == '\0')
ThrowReaderException(OptionError,"MustSpecifyAnImageName");
status=SetImageExtent(image,image->columns,image->rows,exception);
if (status == MagickFalse)
return(DestroyImageList(image));
image->colorspace=tile_image->colorspace;
image->alpha_trait=tile_image->alpha_trait;
(void) CopyMagickString(image->filename,image_info->filename,
MagickPathExtent);
if (LocaleCompare(tile_image->magick,"PATTERN") == 0)
{
tile_image->tile_offset.x=0;
tile_image->tile_offset.y=0;
}
(void) TextureImage(image,tile_image,exception);
tile_image=DestroyImage(tile_image);
if ((image->colorspace == LinearGRAYColorspace) ||
(image->colorspace == GRAYColorspace))
image->type=GrayscaleType;
return(GetFirstImageInList(image));
}
/*
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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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% RegisterTILEImage() adds attributes for the TILE image format to
% the list of supported formats. The attributes include the image format
% tag, a method to read and/or write the format, whether the format
% supports the saving of more than one frame to the same file or blob,
% whether the format supports native in-memory I/O, and a brief
% description of the format.
%
% The format of the RegisterTILEImage method is:
%
% size_t RegisterTILEImage(void)
%
*/
ModuleExport size_t RegisterTILEImage(void)
{
MagickInfo
*entry;
entry=AcquireMagickInfo("TILE","TILE","Tile image with a texture");
entry->decoder=(DecodeImageHandler *) ReadTILEImage;
entry->flags|=CoderRawSupportFlag;
entry->flags|=CoderEndianSupportFlag;
entry->format_type=ImplicitFormatType;
(void) RegisterMagickInfo(entry);
return(MagickImageCoderSignature);
}
/*
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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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% UnregisterTILEImage() removes format registrations made by the
% TILE module from the list of supported formats.
%
% The format of the UnregisterTILEImage method is:
%
% UnregisterTILEImage(void)
%
*/
ModuleExport void UnregisterTILEImage(void)
{
(void) UnregisterMagickInfo("TILE");
}