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1 /*
2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3 %                                                                             %
4 %                                                                             %
5 %                                                                             %
6 %                        IIIII  N   N  FFFFF   OOO                            %
7 %                          I    NN  N  F      O   O                           %
8 %                          I    N N N  FFF    O   O                           %
9 %                          I    N  NN  F      O   O                           %
10 %                        IIIII  N   N  F       OOO                            %
11 %                                                                             %
12 %                                                                             %
13 %                         Write Info About the Image.                         %
14 %                                                                             %
15 %                              Software Design                                %
16 %                                   Cristy                                    %
17 %                                 July 1992                                   %
18 %                                                                             %
19 %                                                                             %
20 %  Copyright 1999-2016 ImageMagick Studio LLC, a non-profit organization      %
21 %  dedicated to making software imaging solutions freely available.           %
22 %                                                                             %
23 %  You may not use this file except in compliance with the License.  You may  %
24 %  obtain a copy of the License at                                            %
25 %                                                                             %
26 %    http://www.imagemagick.org/script/license.php                            %
27 %                                                                             %
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.                                             %
33 %                                                                             %
34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
35 %
36 %
37 */
38 
39 /*
40   Include declarations.
41 */
42 #include "MagickCore/studio.h"
43 #include "MagickCore/artifact.h"
44 #include "MagickCore/blob.h"
45 #include "MagickCore/blob-private.h"
46 #include "MagickCore/colorspace.h"
47 #include "MagickCore/exception.h"
48 #include "MagickCore/exception-private.h"
49 #include "MagickCore/identify.h"
50 #include "MagickCore/image.h"
51 #include "MagickCore/image-private.h"
52 #include "MagickCore/list.h"
53 #include "MagickCore/magick.h"
54 #include "MagickCore/memory_.h"
55 #include "MagickCore/monitor.h"
56 #include "MagickCore/monitor-private.h"
57 #include "MagickCore/option.h"
58 #include "MagickCore/property.h"
59 #include "MagickCore/quantum-private.h"
60 #include "MagickCore/static.h"
61 #include "MagickCore/string_.h"
62 #include "MagickCore/module.h"
63 #include "MagickCore/utility.h"
64 
65 /*
66   Forward declarations.
67 */
68 static MagickBooleanType
69   WriteINFOImage(const ImageInfo *,Image *,ExceptionInfo *);
70 
71 /*
72 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
73 %                                                                             %
74 %                                                                             %
75 %                                                                             %
76 %   R e g i s t e r I N F O I m a g e                                         %
77 %                                                                             %
78 %                                                                             %
79 %                                                                             %
80 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
81 %
82 %  RegisterINFOImage() adds attributes for the INFO image format to
83 %  the list of supported formats.  The attributes include the image format
84 %  tag, a method to read and/or write the format, whether the format
85 %  supports the saving of more than one frame to the same file or blob,
86 %  whether the format supports native in-memory I/O, and a brief
87 %  description of the format.
88 %
89 %  The format of the RegisterINFOImage method is:
90 %
91 %      size_t RegisterINFOImage(void)
92 %
93 */
RegisterINFOImage(void)94 ModuleExport size_t RegisterINFOImage(void)
95 {
96   MagickInfo
97     *entry;
98 
99   entry=AcquireMagickInfo("INFO","INFO",
100     "The image format and characteristics");
101   entry->encoder=(EncodeImageHandler *) WriteINFOImage;
102   entry->flags^=CoderBlobSupportFlag;
103   (void) RegisterMagickInfo(entry);
104   return(MagickImageCoderSignature);
105 }
106 
107 /*
108 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
109 %                                                                             %
110 %                                                                             %
111 %                                                                             %
112 %   U n r e g i s t e r I N F O I m a g e                                     %
113 %                                                                             %
114 %                                                                             %
115 %                                                                             %
116 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
117 %
118 %  UnregisterINFOImage() removes format registrations made by the
119 %  INFO module from the list of supported formats.
120 %
121 %  The format of the UnregisterINFOImage method is:
122 %
123 %      UnregisterINFOImage(void)
124 %
125 */
UnregisterINFOImage(void)126 ModuleExport void UnregisterINFOImage(void)
127 {
128   (void) UnregisterMagickInfo("INFO");
129 }
130 
131 /*
132 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
133 %                                                                             %
134 %                                                                             %
135 %                                                                             %
136 %   W r i t e I N F O I m a g e                                               %
137 %                                                                             %
138 %                                                                             %
139 %                                                                             %
140 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
141 %
142 %  WriteINFOImage writes the pixel values as text numbers.
143 %
144 %  The format of the WriteINFOImage method is:
145 %
146 %      MagickBooleanType WriteINFOImage(const ImageInfo *image_info,
147 %        Image *image,ExceptionInfo *exception)
148 %
149 %  A description of each parameter follows.
150 %
151 %    o image_info: the image info.
152 %
153 %    o image:  The image.
154 %
155 %    o exception: return any errors or warnings in this structure.
156 %
157 */
WriteINFOImage(const ImageInfo * image_info,Image * image,ExceptionInfo * exception)158 static MagickBooleanType WriteINFOImage(const ImageInfo *image_info,
159   Image *image,ExceptionInfo *exception)
160 {
161   const char
162     *format;
163 
164   MagickBooleanType
165     status;
166 
167   MagickOffsetType
168     scene;
169 
170   /*
171     Open output image file.
172   */
173   assert(image_info != (const ImageInfo *) NULL);
174   assert(image_info->signature == MagickCoreSignature);
175   assert(image != (Image *) NULL);
176   assert(image->signature == MagickCoreSignature);
177   if (image->debug != MagickFalse)
178     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
179   status=OpenBlob(image_info,image,WriteBlobMode,exception);
180   if (status == MagickFalse)
181     return(status);
182   scene=0;
183   do
184   {
185     format=GetImageOption(image_info,"format");
186     if (format == (char *) NULL)
187       {
188         (void) CopyMagickString(image->filename,image->magick_filename,
189           MagickPathExtent);
190         image->magick_columns=image->columns;
191         image->magick_rows=image->rows;
192         (void) IdentifyImage(image,GetBlobFileHandle(image),
193           image_info->verbose,exception);
194       }
195     else
196       {
197         char
198           *text;
199 
200         text=InterpretImageProperties((ImageInfo *) image_info,image,format,
201           exception);
202         if (text != (char *) NULL)
203           {
204             (void) WriteBlobString(image,text);
205             text=DestroyString(text);
206           }
207       }
208     if (GetNextImageInList(image) == (Image *) NULL)
209       break;
210     image=SyncNextImageInList(image);
211     status=SetImageProgress(image,SaveImagesTag,scene++,
212       GetImageListLength(image));
213     if (status == MagickFalse)
214       break;
215   } while (image_info->adjoin != MagickFalse);
216   (void) CloseBlob(image);
217   return(MagickTrue);
218 }
219