2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
13 % Support PFS: 1st Publisher Clip Art Format %
20 % Copyright 1999-2011 ImageMagick Studio LLC, a non-profit organization %
21 % dedicated to making software imaging solutions freely available. %
23 % You may not use this file except in compliance with the License. You may %
24 % obtain a copy of the License at %
26 % http://www.imagemagick.org/script/license.php %
28 % Unless required by applicable law or agreed to in writing, software %
29 % distributed under the License is distributed on an "AS IS" BASIS, %
30 % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
31 % See the License for the specific language governing permissions and %
32 % limitations under the License. %
34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
42 #include "MagickCore/studio.h"
43 #include "MagickCore/blob.h"
44 #include "MagickCore/blob-private.h"
45 #include "MagickCore/cache.h"
46 #include "MagickCore/color-private.h"
47 #include "MagickCore/colormap.h"
48 #include "MagickCore/colorspace.h"
49 #include "MagickCore/colorspace-private.h"
50 #include "MagickCore/exception.h"
51 #include "MagickCore/exception-private.h"
52 #include "MagickCore/image.h"
53 #include "MagickCore/image-private.h"
54 #include "MagickCore/list.h"
55 #include "MagickCore/magick.h"
56 #include "MagickCore/memory_.h"
57 #include "MagickCore/monitor.h"
58 #include "MagickCore/monitor-private.h"
59 #include "MagickCore/quantum-private.h"
60 #include "MagickCore/static.h"
61 #include "MagickCore/string_.h"
62 #include "MagickCore/module.h"
67 static MagickBooleanType
68 WriteARTImage(const ImageInfo *,Image *,ExceptionInfo *);
71 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
75 % R e a d A R T I m a g e %
79 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
81 % ReadARTImage() reads an image of raw bits in LSB order and returns it.
82 % It allocates the memory necessary for the new Image structure and returns
83 % a pointer to the new image.
85 % The format of the ReadARTImage method is:
87 % Image *ReadARTImage(const ImageInfo *image_info,
88 % ExceptionInfo *exception)
90 % A description of each parameter follows:
92 % o image_info: the image info.
94 % o exception: return any errors or warnings in this structure.
97 static Image *ReadARTImage(const ImageInfo *image_info,ExceptionInfo *exception)
124 assert(image_info != (const ImageInfo *) NULL);
125 assert(image_info->signature == MagickSignature);
126 if (image_info->debug != MagickFalse)
127 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
128 image_info->filename);
129 assert(exception != (ExceptionInfo *) NULL);
130 assert(exception->signature == MagickSignature);
131 image=AcquireImage(image_info,exception);
132 status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
133 if (status == MagickFalse)
135 image=DestroyImageList(image);
136 return((Image *) NULL);
139 image->endian=MSBEndian;
140 (void) ReadBlobLSBShort(image);
141 image->columns=(size_t) ReadBlobLSBShort(image);
142 (void) ReadBlobLSBShort(image);
143 image->rows=(size_t) ReadBlobLSBShort(image);
145 Initialize image colormap.
147 if (AcquireImageColormap(image,2,exception) == MagickFalse)
148 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
149 if (image_info->ping != MagickFalse)
151 (void) CloseBlob(image);
152 return(GetFirstImageInList(image));
155 Convert bi-level image to pixel packets.
157 quantum_type=IndexQuantum;
158 quantum_info=AcquireQuantumInfo(image_info,image);
159 if (quantum_info == (QuantumInfo *) NULL)
160 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
161 pixels=GetQuantumPixels(quantum_info);
162 length=GetQuantumExtent(image,quantum_info,quantum_type);
163 for (y=0; y < (ssize_t) image->rows; y++)
168 q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
169 if (q == (Quantum *) NULL)
171 count=ReadBlob(image,length,pixels);
172 if (count != (ssize_t) length)
173 ThrowReaderException(CorruptImageError,"UnableToReadImageData");
174 (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info,
175 quantum_type,pixels,exception);
176 count=ReadBlob(image,(size_t) (-(ssize_t) length) & 0x01,pixels);
177 if (SyncAuthenticPixels(image,exception) == MagickFalse)
179 if (SetImageProgress(image,LoadImageTag,y,image->rows) == MagickFalse)
182 SetQuantumImageType(image,quantum_type);
183 quantum_info=DestroyQuantumInfo(quantum_info);
184 if (EOFBlob(image) != MagickFalse)
185 ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
187 (void) CloseBlob(image);
188 return(GetFirstImageInList(image));
192 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
196 % R e g i s t e r A R T I m a g e %
200 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
202 % RegisterARTImage() adds attributes for the ART image format to
203 % the list of supported formats. The attributes include the image format
204 % tag, a method to read and/or write the format, whether the format
205 % supports the saving of more than one frame to the same file or blob,
206 % whether the format supports native in-memory I/O, and a brief
207 % description of the format.
209 % The format of the RegisterARTImage method is:
211 % size_t RegisterARTImage(void)
214 ModuleExport size_t RegisterARTImage(void)
219 entry=SetMagickInfo("ART");
220 entry->decoder=(DecodeImageHandler *) ReadARTImage;
221 entry->encoder=(EncodeImageHandler *) WriteARTImage;
222 entry->raw=MagickTrue;
223 entry->adjoin=MagickFalse;
224 entry->description=ConstantString("PFS: 1st Publisher Clip Art");
225 entry->module=ConstantString("ART");
226 (void) RegisterMagickInfo(entry);
227 return(MagickImageCoderSignature);
231 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
235 % U n r e g i s t e r A R T I m a g e %
239 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
241 % UnregisterARTImage() removes format registrations made by the
242 % ART module from the list of supported formats.
244 % The format of the UnregisterARTImage method is:
246 % UnregisterARTImage(void)
249 ModuleExport void UnregisterARTImage(void)
251 (void) UnregisterMagickInfo("ART");
255 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
259 % W r i t e A R T I m a g e %
263 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
265 % WriteARTImage() writes an image of raw bits in LSB order to a file.
267 % The format of the WriteARTImage method is:
269 % MagickBooleanType WriteARTImage(const ImageInfo *image_info,
270 % Image *image,ExceptionInfo *exception)
272 % A description of each parameter follows.
274 % o image_info: the image info.
276 % o image: The image.
278 % o exception: return any errors or warnings in this structure.
281 static MagickBooleanType WriteARTImage(const ImageInfo *image_info,Image *image,
282 ExceptionInfo *exception)
290 register const Quantum
304 Open output image file.
306 assert(image_info != (const ImageInfo *) NULL);
307 assert(image_info->signature == MagickSignature);
308 assert(image != (Image *) NULL);
309 assert(image->signature == MagickSignature);
310 if (image->debug != MagickFalse)
311 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
312 assert(exception != (ExceptionInfo *) NULL);
313 assert(exception->signature == MagickSignature);
314 status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
315 if (status == MagickFalse)
317 if ((image->columns > 65535UL) || (image->rows > 65535UL))
318 ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit");
319 image->endian=MSBEndian;
321 (void) WriteBlobLSBShort(image,0);
322 (void) WriteBlobLSBShort(image,(unsigned short) image->columns);
323 (void) WriteBlobLSBShort(image,0);
324 (void) WriteBlobLSBShort(image,(unsigned short) image->rows);
325 if (IsRGBColorspace(image->colorspace) == MagickFalse)
326 (void) TransformImageColorspace(image,RGBColorspace,exception);
327 length=(image->columns+7)/8;
328 pixels=(unsigned char *) AcquireQuantumMemory(length,sizeof(*pixels));
329 if (pixels == (unsigned char *) NULL)
330 ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
332 Convert image to a bi-level image.
334 (void) SetImageType(image,BilevelType,exception);
335 quantum_info=AcquireQuantumInfo(image_info,image);
336 for (y=0; y < (ssize_t) image->rows; y++)
338 p=GetVirtualPixels(image,0,y,image->columns,1,exception);
339 if (p == (const Quantum *) NULL)
341 (void) ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
342 GrayQuantum,pixels,exception);
343 count=WriteBlob(image,length,pixels);
344 if (count != (ssize_t) length)
345 ThrowWriterException(CorruptImageError,"UnableToWriteImageData");
346 count=WriteBlob(image,(size_t) (-(ssize_t) length) & 0x01,pixels);
347 status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
349 if (status == MagickFalse)
352 quantum_info=DestroyQuantumInfo(quantum_info);
353 pixels=(unsigned char *) RelinquishMagickMemory(pixels);
354 (void) CloseBlob(image);