/plugins/ImageMagick-6.3.2/magick/list.c
C | 1278 lines | 596 code | 33 blank | 649 comment | 275 complexity | a385342cb2321abaa6b1613cd2a75c21 MD5 | raw file
Possible License(s): MPL-2.0-no-copyleft-exception, LGPL-2.1
- /*
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- % %
- % %
- % %
- % L IIIII SSSSS TTTTT %
- % L I SS T %
- % L I SSS T %
- % L I SS T %
- % LLLLL IIIII SSSSS T %
- % %
- % %
- % ImageMagick Image List Methods %
- % %
- % Software Design %
- % John Cristy %
- % December 2002 %
- % %
- % %
- % Copyright 1999-2006 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 %
- % %
- % http://www.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. %
- % %
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- %
- %
- %
- */
- /*
- Include declarations.
- */
- #include "magick/studio.h"
- #include "magick/blob.h"
- #include "magick/blob-private.h"
- #include "magick/exception.h"
- #include "magick/exception-private.h"
- #include "magick/list.h"
- #include "magick/memory_.h"
- #include "magick/string_.h"
- /*
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- % %
- % %
- % %
- % A p p e n d I m a g e T o L i s t %
- % %
- % %
- % %
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- %
- % AppendImageToList() appends an image to the end of the list.
- %
- % The format of the AppendImageToList method is:
- %
- % AppendImageToList(Image *images,const Image *image)
- %
- % A description of each parameter follows:
- %
- % o images: The image list.
- %
- % o image: The image.
- %
- */
- MagickExport void AppendImageToList(Image **images,const Image *image)
- {
- register Image
- *p;
- assert(images != (Image **) NULL);
- if (image == (Image *) NULL)
- return;
- assert(image->signature == MagickSignature);
- if (image->debug != MagickFalse)
- (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
- if ((*images) == (Image *) NULL)
- {
- *images=(Image *) image;
- return;
- }
- assert((*images)->signature == MagickSignature);
- for (p=(*images); p->next != (Image *) NULL; p=p->next);
- p->next=(Image *) image;
- p->next->previous=p;
- SyncImageList(*images);
- }
- /*
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- % %
- % %
- % %
- % C l o n e I m a g e L i s t %
- % %
- % %
- % %
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- %
- % CloneImageList() returns a duplicate of the image list.
- %
- % The format of the CloneImageList method is:
- %
- % Image *CloneImageList(const Image *images,ExceptionInfo *exception)
- %
- % A description of each parameter follows:
- %
- % o images: The image list.
- %
- % o exception: Return any errors or warnings in this structure.
- %
- */
- MagickExport Image *CloneImageList(const Image *images,ExceptionInfo *exception)
- {
- Image
- *clone,
- *image;
- register Image
- *p;
- if (images == (Image *) NULL)
- return((Image *) NULL);
- assert(images->signature == MagickSignature);
- while (images->previous != (Image *) NULL)
- images=images->previous;
- image=(Image *) NULL;
- for (p=(Image *) NULL; images != (Image *) NULL; images=images->next)
- {
- clone=CloneImage(images,0,0,MagickTrue,exception);
- if (clone == (Image *) NULL)
- {
- if (image != (Image *) NULL)
- image=DestroyImageList(image);
- return((Image *) NULL);
- }
- if (image == (Image *) NULL)
- {
- image=clone;
- p=image;
- continue;
- }
- p->next=clone;
- clone->previous=p;
- p=p->next;
- }
- return(image);
- }
- /*
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- % %
- % %
- % %
- % C l o n e I m a g e s %
- % %
- % %
- % %
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- %
- % CloneImages() clones one or more images from an image sequence.
- %
- % The format of the CloneImages method is:
- %
- % Image *CloneImages(const Image *images,const char *scenes,
- % ExceptionInfo *exception)
- %
- % A description of each parameter follows:
- %
- % o images: The image sequence.
- %
- % o scenes: This character string specifies which scenes to clone
- % (e.g. 1,3-5,7-6,2).
- %
- % o exception: Return any errors or warnings in this structure.
- %
- */
- MagickExport Image *CloneImages(const Image *images,const char *scenes,
- ExceptionInfo *exception)
- {
- char
- *q;
- const Image
- *next;
- Image
- *clone_images,
- *image;
- long
- first,
- last,
- quantum;
- register const char
- *p;
- register long
- i;
- assert(images != (const Image *) NULL);
- assert(images->signature == MagickSignature);
- assert(scenes != (char *) NULL);
- if (images->debug != MagickFalse)
- (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename);
- assert(exception != (ExceptionInfo *) NULL);
- assert(exception->signature == MagickSignature);
- clone_images=NewImageList();
- p=scenes;
- for (q=(char *) scenes; *q != '\0'; p++)
- {
- while ((isspace((int) ((unsigned char) *p)) != 0) || (*p == ','))
- p++;
- first=strtol(p,&q,10);
- if (first < 0)
- first+=GetImageListLength(images);
- last=first;
- while (isspace((int) ((unsigned char) *q)) != 0)
- q++;
- if (*q == '-')
- {
- last=strtol(q+1,&q,10);
- if (last < 0)
- last+=GetImageListLength(images);
- }
- quantum=first > last ? -1 : 1;
- for (p=q; first != (last+quantum); first+=quantum)
- {
- i=0;
- for (next=images; next != (Image *) NULL; next=GetNextImageInList(next))
- {
- if (i == (long) first)
- {
- image=CloneImage(next,0,0,MagickTrue,exception);
- if (image == (Image *) NULL)
- break;
- AppendImageToList(&clone_images,image);
- }
- i++;
- }
- }
- }
- if (clone_images == (Image *) NULL)
- return((Image *) NULL);
- return(GetFirstImageInList(clone_images));
- }
- /*
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- % %
- % %
- % %
- % D e l e t e I m a g e F r o m L i s t %
- % %
- % %
- % %
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- %
- % DeleteImageFromList() deletes an image from the list.
- %
- % The format of the DeleteImageFromList method is:
- %
- % DeleteImageFromList(Image **images)
- %
- % A description of each parameter follows:
- %
- % o images: The image list.
- %
- */
- MagickExport void DeleteImageFromList(Image **images)
- {
- register Image
- *p;
- assert(images != (Image **) NULL);
- if ((*images) == (Image *) NULL)
- return;
- assert((*images)->signature == MagickSignature);
- if ((*images)->debug != MagickFalse)
- (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
- (*images)->filename);
- p=(*images);
- if ((p->previous == (Image *) NULL) && (p->next == (Image *) NULL))
- *images=(Image *) NULL;
- else
- {
- if (p->previous != (Image *) NULL)
- {
- p->previous->next=p->next;
- *images=p->previous;
- }
- if (p->next != (Image *) NULL)
- {
- p->next->previous=p->previous;
- *images=p->next;
- }
- }
- p=DestroyImage(p);
- }
- /*
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- % %
- % %
- % %
- % D e l e t e I m a g e s %
- % %
- % %
- % %
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- %
- % DeleteImages() deletes one or more images from an image sequence.
- %
- % The format of the DeleteImages method is:
- %
- % DeleteImages(Image **images,const char *scenes,ExceptionInfo *exception)
- %
- % A description of each parameter follows:
- %
- % o images: The image sequence.
- %
- % o scenes: This character string specifies which scenes to delete
- % (e.g. 1,3-5,7-6,2).
- %
- % o exception: Return any errors or warnings in this structure.
- %
- */
- MagickExport void DeleteImages(Image **images,const char *scenes,
- ExceptionInfo *exception)
- {
- char
- *q;
- Image
- **delete_images,
- *image;
- long
- first,
- j,
- last,
- quantum;
- register const char
- *p;
- register long
- i;
- assert(images != (Image **) NULL);
- assert((*images)->signature == MagickSignature);
- assert(scenes != (char *) NULL);
- if ((*images)->debug != MagickFalse)
- (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
- (*images)->filename);
- assert(exception != (ExceptionInfo *) NULL);
- assert(exception->signature == MagickSignature);
- delete_images=ImageListToArray(*images,exception);
- if (delete_images == (Image **) NULL)
- return;
- j=0;
- p=scenes;
- for (q=(char *) scenes; *q != '\0'; p++)
- {
- while ((isspace((int) ((unsigned char) *p)) != 0) || (*p == ','))
- p++;
- first=strtol(p,&q,10);
- if (first < 0)
- first+=GetImageListLength(*images);
- last=first;
- while (isspace((int) ((unsigned char) *q)) != 0)
- q++;
- if (*q == '-')
- {
- last=strtol(q+1,&q,10);
- if (last < 0)
- last+=GetImageListLength(*images);
- }
- quantum=first > last ? -1 : 1;
- for (p=q; first != (last+quantum); first+=quantum)
- {
- i=0;
- image=(*images);
- for ( ; image != (Image *) NULL; image=GetNextImageInList(image))
- {
- if (i == (long) first)
- {
- delete_images[j]=image;
- j++;
- }
- i++;
- }
- }
- }
- /*
- Delete images from image list.
- */
- for (i=0; i < j; i++)
- {
- for ( ; *images != (Image *) NULL; *images=GetNextImageInList(*images))
- if (*images == delete_images[i])
- {
- DeleteImageFromList(images);
- break;
- }
- *images=GetFirstImageInList(*images);
- }
- delete_images=(Image **) RelinquishMagickMemory(delete_images);
- }
- /*
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- % %
- % %
- % %
- % D e s t r o y I m a g e L i s t %
- % %
- % %
- % %
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- %
- % DestroyImageList() destroys an image list.
- %
- % The format of the DestroyImageList method is:
- %
- % Image *DestroyImageList(Image *image)
- %
- % A description of each parameter follows:
- %
- % o image: The image sequence.
- %
- */
- MagickExport Image *DestroyImageList(Image *images)
- {
- register Image
- *p;
- if (images == (Image *) NULL)
- return((Image *) NULL);
- assert(images->signature == MagickSignature);
- if (images->debug != MagickFalse)
- (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename);
- for (p=images; p->previous != (Image *) NULL; p=p->previous);
- for (images=p; p != (Image *) NULL; images=p)
- {
- p=p->next;
- if (p != (Image *) NULL)
- p->previous=(Image *) NULL;
- images->next=(Image *) NULL;
- images=DestroyImage(images);
- }
- return((Image *) NULL);
- }
- /*
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- % %
- % %
- % %
- % G e t F i r s t I m a g e I n L i s t %
- % %
- % %
- % %
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- %
- % GetFirstImageInList() returns a pointer to the first image in the list.
- %
- % The format of the GetFirstImageInList method is:
- %
- % Image *GetFirstImageInList(const Image *images)
- %
- % A description of each parameter follows:
- %
- % o images: The image list.
- %
- */
- MagickExport Image *GetFirstImageInList(const Image *images)
- {
- register const Image
- *p;
- if (images == (Image *) NULL)
- return((Image *) NULL);
- assert(images->signature == MagickSignature);
- for (p=images; p->previous != (Image *) NULL; p=p->previous);
- return((Image *) p);
- }
- /*
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- % %
- % %
- % %
- % G e t I m a g e F r o m L i s t %
- % %
- % %
- % %
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- %
- % GetImageFromList() returns an image at the specified offset from the list.
- %
- % The format of the GetImageFromList method is:
- %
- % Image *GetImageFromList(const Image *images,const long index)
- %
- % A description of each parameter follows:
- %
- % o images: The image list.
- %
- % o index: The position within the list.
- %
- */
- MagickExport Image *GetImageFromList(const Image *images,const long index)
- {
- register const Image
- *p;
- register long
- i;
- if (images == (Image *) NULL)
- return((Image *) NULL);
- assert(images->signature == MagickSignature);
- if (images->debug != MagickFalse)
- (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename);
- for (p=images; p->previous != (Image *) NULL; p=p->previous);
- for (i=0; p != (Image *) NULL; p=p->next)
- if (i++ == ((index < 0) ? (long) GetImageListLength(images)+index : index))
- break;
- if (p == (Image *) NULL)
- return((Image *) NULL);
- return((Image *) p);
- }
- /*
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- % %
- % %
- % %
- % G e t I m a g e I n d e x I n L i s t %
- % %
- % %
- % %
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- %
- % GetImageIndexInList() returns the offset in the list of the specified image.
- %
- % The format of the GetImageIndexInList method is:
- %
- % long GetImageIndexInList(const Image *images)
- %
- % A description of each parameter follows:
- %
- % o images: The image list.
- %
- */
- MagickExport long GetImageIndexInList(const Image *images)
- {
- register long
- i;
- if (images == (const Image *) NULL)
- return(-1);
- assert(images->signature == MagickSignature);
- for (i=0; images->previous != (Image *) NULL; i++)
- images=images->previous;
- return(i);
- }
- /*
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- % %
- % %
- % %
- % G e t I m a g e L i s t L e n g t h %
- % %
- % %
- % %
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- %
- % GetImageListLength() returns the length of the list (the number of images in
- % the list).
- %
- % The format of the GetImageListLength method is:
- %
- % unsigned long GetImageListLength(const Image *images)
- %
- % A description of each parameter follows:
- %
- % o images: The image list.
- %
- */
- MagickExport unsigned long GetImageListLength(const Image *images)
- {
- register long
- i;
- if (images == (Image *) NULL)
- return(0);
- assert(images->signature == MagickSignature);
- if (images->debug != MagickFalse)
- (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename);
- while (images->previous != (Image *) NULL)
- images=images->previous;
- for (i=0; images != (Image *) NULL; images=images->next)
- i++;
- return((unsigned long) i);
- }
- /*
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- % %
- % %
- % %
- % G e t L a s t I m a g e I n L i s t %
- % %
- % %
- % %
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- %
- % GetLastImageInList() returns a pointer to the last image in the list.
- %
- % The format of the GetLastImageInList method is:
- %
- % Image *GetLastImageInList(const Image *images)
- %
- % A description of each parameter follows:
- %
- % o images: The image list.
- %
- */
- MagickExport Image *GetLastImageInList(const Image *images)
- {
- register const Image
- *p;
- if (images == (Image *) NULL)
- return((Image *) NULL);
- assert(images->signature == MagickSignature);
- for (p=images; p->next != (Image *) NULL; p=p->next);
- return((Image *) p);
- }
- /*
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- % %
- % %
- % %
- % G e t N e x t I m a g e I n L i s t %
- % %
- % %
- % %
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- %
- % GetNextImageInList() returns the next image in the list.
- %
- % The format of the GetNextImageInList method is:
- %
- % Image *GetNextImageInList(const Image *images)
- %
- % A description of each parameter follows:
- %
- % o images: The image list.
- %
- */
- MagickExport Image *GetNextImageInList(const Image *images)
- {
- if (images == (Image *) NULL)
- return((Image *) NULL);
- assert(images->signature == MagickSignature);
- if (images->debug != MagickFalse)
- (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename);
- return(images->next);
- }
- /*
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- % %
- % %
- % %
- % G e t P r e v i o u s I m a g e I n L i s t %
- % %
- % %
- % %
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- %
- % GetPreviousImageInList() returns the previous image in the list.
- %
- % The format of the GetPreviousImageInList method is:
- %
- % Image *GetPreviousImageInList(const Image *images)
- %
- % A description of each parameter follows:
- %
- % o images: The image list.
- %
- */
- MagickExport Image *GetPreviousImageInList(const Image *images)
- {
- if (images == (Image *) NULL)
- return((Image *) NULL);
- assert(images->signature == MagickSignature);
- return(images->previous);
- }
- /*
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- % %
- % %
- % I m a g e L i s t T o A r r a y %
- % %
- % %
- % %
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- %
- % ImageListToArray() is a convenience method that converts an image list to
- % a sequential array. For example,
- %
- % group = ImageListToArray(images, exception);
- % for (i = 0; i < n; i++)
- % puts(group[i]->filename);
- %
- % The format of the ImageListToArray method is:
- %
- % Image **ImageListToArray(const Image *images,ExceptionInfo *exception)
- %
- % A description of each parameter follows:
- %
- % o image: The image list.
- %
- % o exception: Return any errors or warnings in this structure.
- %
- */
- MagickExport Image **ImageListToArray(const Image *images,
- ExceptionInfo *exception)
- {
- Image
- **group;
- register long
- i;
- if (images == (Image *) NULL)
- return((Image **) NULL);
- assert(images->signature == MagickSignature);
- if (images->debug != MagickFalse)
- (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename);
- group=(Image **) AcquireMagickMemory((size_t)
- (GetImageListLength(images)+1)*sizeof(*group));
- if (group == (Image **) NULL)
- {
- (void) ThrowMagickException(exception,GetMagickModule(),
- ResourceLimitError,"MemoryAllocationFailed","`%s'",images->filename);
- return((Image **) NULL);
- }
- while (images->previous != (Image *) NULL)
- images=images->previous;
- for (i=0; images != (Image *) NULL; images=images->next)
- group[i++]=(Image *) images;
- group[i]=(Image *) NULL;
- return(group);
- }
- /*
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- % %
- % %
- % %
- % I n s e r t I m a g e I n L i s t %
- % %
- % %
- % %
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- %
- % InsertImageInList() inserts an image in the list.
- %
- % The format of the InsertImageInList method is:
- %
- % InsertImageInList(Image **images,Image *image)
- %
- % A description of each parameter follows:
- %
- % o images: The image list.
- %
- % o image: The image.
- %
- */
- MagickExport void InsertImageInList(Image **images,Image *image)
- {
- Image
- *split;
- assert(images != (Image **) NULL);
- assert(image != (Image *) NULL);
- assert(image->signature == MagickSignature);
- if (image->debug != MagickFalse)
- (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
- if ((*images) == (Image *) NULL)
- return;
- assert((*images)->signature == MagickSignature);
- split=SplitImageList(*images);
- if (split == (Image *) NULL)
- return;
- AppendImageToList(images,image);
- AppendImageToList(images,split);
- }
- /*
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- % %
- % %
- % %
- % N e w I m a g e L i s t %
- % %
- % %
- % %
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- %
- % NewImageList() creates an empty image list.
- %
- % The format of the NewImageList method is:
- %
- % Image *NewImageList(void)
- %
- */
- MagickExport Image *NewImageList(void)
- {
- return((Image *) NULL);
- }
- /*
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- % %
- % %
- % %
- % P r e p e n d I m a g e T o L i s t %
- % %
- % %
- % %
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- %
- % PrependImageToList() prepends the image to the beginning of the list.
- %
- % The format of the PrependImageToList method is:
- %
- % PrependImageToList(Image *images,Image *image)
- %
- % A description of each parameter follows:
- %
- % o images: The image list.
- %
- % o image: The image.
- %
- */
- MagickExport void PrependImageToList(Image **images,Image *image)
- {
- AppendImageToList(&image,*images);
- }
- /*
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- % %
- % %
- % %
- % R e m o v e I m a g e F r o m L i s t %
- % %
- % %
- % %
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- %
- % RemoveImageFromList() removes an image from the list.
- %
- % The format of the RemoveImageFromList method is:
- %
- % Image *RemoveImageFromList(Image **images)
- %
- % A description of each parameter follows:
- %
- % o images: The image list.
- %
- */
- MagickExport Image *RemoveImageFromList(Image **images)
- {
- register Image
- *p;
- assert(images != (Image **) NULL);
- if ((*images) == (Image *) NULL)
- return((Image *) NULL);
- assert((*images)->signature == MagickSignature);
- if ((*images)->debug != MagickFalse)
- (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
- (*images)->filename);
- p=(*images);
- if ((p->previous == (Image *) NULL) && (p->next == (Image *) NULL))
- *images=(Image *) NULL;
- else
- {
- if (p->previous != (Image *) NULL)
- {
- p->previous->next=p->next;
- *images=p->previous;
- }
- if (p->next != (Image *) NULL)
- {
- p->next->previous=p->previous;
- *images=p->next;
- }
- }
- return(p);
- }
- /*
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- % %
- % %
- % %
- % R e m o v e F i r s t I m a g e F r o m L i s t %
- % %
- % %
- % %
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- %
- % RemoveFirstImageFromList() removes the first image in the list.
- %
- % The format of the RemoveFirstImageFromList method is:
- %
- % Image *RemoveFirstImageFromList(Image **images)
- %
- % A description of each parameter follows:
- %
- % o images: The image list.
- %
- */
- MagickExport Image *RemoveFirstImageFromList(Image **images)
- {
- Image
- *image;
- assert(images != (Image **) NULL);
- if ((*images) == (Image *) NULL)
- return((Image *) NULL);
- assert((*images)->signature == MagickSignature);
- if ((*images)->debug != MagickFalse)
- (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
- (*images)->filename);
- image=(*images);
- while (image->previous != (Image *) NULL)
- image=image->previous;
- if (image == *images)
- *images=(*images)->next;
- if (image->next != (Image *) NULL)
- {
- image->next->previous=(Image *) NULL;
- image->next=(Image *) NULL;
- }
- return(image);
- }
- /*
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- % %
- % %
- % %
- % R e m o v e L a s t I m a g e F r o m L i s t %
- % %
- % %
- % %
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- %
- % RemoveLastImageFromList() removes the last image from the list.
- %
- % The format of the RemoveLastImageFromList method is:
- %
- % Image *RemoveLastImageFromList(Image **images)
- %
- % A description of each parameter follows:
- %
- % o images: The image list.
- %
- */
- MagickExport Image *RemoveLastImageFromList(Image **images)
- {
- Image
- *image;
- assert(images != (Image **) NULL);
- if ((*images) == (Image *) NULL)
- return((Image *) NULL);
- assert((*images)->signature == MagickSignature);
- if ((*images)->debug != MagickFalse)
- (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
- (*images)->filename);
- image=(*images);
- while (image->next != (Image *) NULL)
- image=image->next;
- if (image == *images)
- *images=(*images)->previous;
- if (image->previous != (Image *) NULL)
- {
- image->previous->next=(Image *) NULL;
- image->previous=(Image *) NULL;
- }
- return(image);
- }
- /*
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- % %
- % %
- % %
- % R e p l a c e I m a g e I n L i s t %
- % %
- % %
- % %
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- %
- % ReplaceImageInList() replaces an image in the list.
- %
- % The format of the ReplaceImageInList method is:
- %
- % ReplaceImageInList(Image **images,Image *image)
- %
- % A description of each parameter follows:
- %
- % o images: The image list.
- %
- % o image: The image.
- %
- */
- MagickExport void ReplaceImageInList(Image **images,Image *image)
- {
- assert(images != (Image **) NULL);
- assert(image != (Image *) NULL);
- assert(image->signature == MagickSignature);
- if (image->debug != MagickFalse)
- (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
- if ((*images) == (Image *) NULL)
- return;
- assert((*images)->signature == MagickSignature);
- image->next=(*images)->next;
- if (image->next != (Image *) NULL)
- image->next->previous=image;
- image->previous=(*images)->previous;
- if (image->previous != (Image *) NULL)
- image->previous->next=image;
- *images=DestroyImage(*images);
- (*images)=image;
- }
- /*
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- % %
- % %
- % %
- % R e v e r s e I m a g e L i s t %
- % %
- % %
- % %
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- %
- % ReverseImageList() reverses the image list.
- %
- % The format of the ReverseImageList method is:
- %
- % ReverseImageList(const Image **images)
- %
- % A description of each parameter follows:
- %
- % o images: The image list.
- %
- */
- MagickExport void ReverseImageList(Image **images)
- {
- Image
- *next;
- register Image
- *p;
- assert(images != (Image **) NULL);
- if ((*images) == (Image *) NULL)
- return;
- assert((*images)->signature == MagickSignature);
- if ((*images)->debug != MagickFalse)
- (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
- (*images)->filename);
- for (p=(*images); p->next != (Image *) NULL; p=p->next);
- *images=p;
- for ( ; p != (Image *) NULL; p=p->next)
- {
- next=p->next;
- p->next=p->previous;
- p->previous=next;
- }
- }
- /*
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- % %
- % %
- % %
- % S p l i c e I m a g e I n t o L i s t %
- % %
- % %
- % %
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- %
- % SpliceImageIntoList() removes 'length' images from the list and replaces
- % them with the specified splice.
- %
- % The format of the SpliceImageIntoList method is:
- %
- % SpliceImageIntoList(Image **images,const unsigned unsigned long,
- % const Image *splice)
- %
- % A description of each parameter follows:
- %
- % o images: The image list.
- %
- % o length: The length of the image list to remove.
- %
- % o splice: Replace the removed image list with this list.
- %
- */
- MagickExport void SpliceImageIntoList(Image **images,const unsigned long length,
- const Image *splice)
- {
- Image
- *split;
- register long
- i;
- assert(images != (Image **) NULL);
- assert(splice != (Image *) NULL);
- assert(splice->signature == MagickSignature);
- if ((*images) == (Image *) NULL)
- return;
- assert((*images)->signature == MagickSignature);
- if ((*images)->debug != MagickFalse)
- (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
- (*images)->filename);
- split=SplitImageList(*images);
- if (split == (Image *) NULL)
- return;
- AppendImageToList(images,splice);
- for (i=0; (i < (long) length) && (split != (Image *) NULL); i++)
- (void) RemoveImageFromList(&split);
- AppendImageToList(images,split);
- }
- /*
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- % %
- % %
- % %
- % S p l i t I m a g e L i s t %
- % %
- % %
- % %
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- %
- % SplitImageList() splits an image into two lists.
- %
- % The format of the SplitImageList method is:
- %
- % Image *SplitImageList(Image *images)
- %
- % A description of each parameter follows:
- %
- % o images: The image list.
- %
- */
- MagickExport Image *SplitImageList(Image *images)
- {
- if ((images == (Image *) NULL) || (images->next == (Image *) NULL))
- return((Image *) NULL);
- images=images->next;
- images->previous->next=(Image *) NULL;
- images->previous=(Image *) NULL;
- return(images);
- }
- /*
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- % %
- % %
- % %
- + S y n c I m a g e L i s t %
- % %
- % %
- % %
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- %
- % SyncImageList() synchronizes the scenes in an image list.
- %
- % The format of the SyncImageList method is:
- %
- % void SyncImageList(Image *images)
- %
- % A description of each parameter follows:
- %
- % o images: The image list.
- %
- */
- MagickExport void SyncImageList(Image *images)
- {
- register Image
- *p,
- *q;
- if (images == (Image *) NULL)
- return;
- assert(images->signature == MagickSignature);
- for (p=images; p != (Image *) NULL; p=p->next)
- {
- for (q=p->next; q != (Image *) NULL; q=q->next)
- if (p->scene == q->scene)
- break;
- if (q != (Image *) NULL)
- break;
- }
- if (p == (Image *) NULL)
- return;
- for (p=images->next; p != (Image *) NULL; p=p->next)
- p->scene=p->previous->scene+1;
- }
- /*
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- % %
- % %
- % %
- + S y n c N e x t I m a g e I n L i s t %
- % %
- % %
- % %
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- %
- % SyncNextImageInList() returns the next image in the list after the blob
- % referenced is synchronized with the current image.
- %
- % The format of the SyncNextImageInList method is:
- %
- % Image *SyncNextImageInList(const Image *images)
- %
- % A description of each parameter follows:
- %
- % o images: The image list.
- %
- */
- MagickExport Image *SyncNextImageInList(const Image *images)
- {
- if (images == (Image *) NULL)
- return((Image *) NULL);
- assert(images->signature == MagickSignature);
- if (images->next == (Image *) NULL)
- return((Image *) NULL);
- if (images->blob != images->next->blob)
- {
- DestroyBlob(images->next);
- images->next->blob=ReferenceBlob(images->blob);
- }
- images->next->endian=images->endian;
- return(images->next);
- }