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gerrit-public.fairphone.software / platform / external / ImageMagick / b51dff5c0d16a4c1b69ff683e786cb3b4c467694 / . / coders / debug.c
blob: 9fe5a3b866c9cb2df6c8239a34765ec8ae03a46f [file] [log] [blame]
cristy2aac09a2010-06-06 16:46:43 +0000[diff] [blame]1/*
2%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3% %
4% %
5% %
6% DDDD EEEEE BBBB U U GGGG %
7% D D E B B U U G %
8% D D EEE BBBB U U G GG %
9% D D E B B U U G G %
10% DDDD EEEEE BBBB UUU GGG %
11% %
12% %
13% Image Pixel Values for Debugging. %
14% %
15% Software Design %
16% John Cristy %
17% July 1992 %
18% %
19% %
cristy7e41fe82010-12-04 23:12:08 +0000[diff] [blame]20% Copyright 1999-2011 ImageMagick Studio LLC, a non-profit organization %
cristy2aac09a2010-06-06 16:46:43 +0000[diff] [blame]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 "magick/studio.h"
43#include "magick/annotate.h"
44#include "magick/attribute.h"
45#include "magick/blob.h"
46#include "magick/blob-private.h"
47#include "magick/cache.h"
48#include "magick/color.h"
49#include "magick/color-private.h"
50#include "magick/colorspace.h"
51#include "magick/constitute.h"
52#include "magick/draw.h"
53#include "magick/exception.h"
54#include "magick/exception-private.h"
55#include "magick/geometry.h"
56#include "magick/image.h"
57#include "magick/image-private.h"
58#include "magick/list.h"
59#include "magick/magick.h"
60#include "magick/memory_.h"
61#include "magick/monitor.h"
62#include "magick/monitor-private.h"
63#include "magick/option.h"
64#include "magick/pixel-private.h"
65#include "magick/quantum-private.h"
66#include "magick/static.h"
67#include "magick/statistic.h"
68#include "magick/string_.h"
69#include "magick/module.h"
70
71/*
72 Forward declarations.
73*/
74static MagickBooleanType
75 WriteDEBUGImage(const ImageInfo *,Image *);
76
77/*
78%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
79% %
80% %
81% %
82% R e g i s t e r D E B U G I m a g e %
83% %
84% %
85% %
86%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
87%
88% RegisterDEBUGImage() adds attributes for the DEBUG image format to the
89% list of supported formats. The attributes include the image format
90% tag, a method to read and/or write the format, whether the format
91% supports the saving of more than one frame to the same file or blob,
92% whether the format supports native in-memory I/O, and a brief
93% description of the format.
94%
95% The format of the RegisterDEBUGImage method is:
96%
97% size_t RegisterDEBUGImage(void)
98%
99*/
100ModuleExport size_t RegisterDEBUGImage(void)
101{
102 MagickInfo
103 *entry;
104
105 entry=SetMagickInfo("DEBUG");
106 entry->encoder=(EncodeImageHandler *) WriteDEBUGImage;
107 entry->raw=MagickTrue;
108 entry->stealth=MagickTrue;
109 entry->description=ConstantString("Image pixel values for debugging");
110 entry->module=ConstantString("DEBUG");
111 (void) RegisterMagickInfo(entry);
112 return(MagickImageCoderSignature);
113}
114
115/*
116%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
117% %
118% %
119% %
120% U n r e g i s t e r D E B U G I m a g e %
121% %
122% %
123% %
124%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
125%
126% UnregisterDEBUGImage() removes format registrations made by the
127% DEBUG module from the list of supported format.
128%
129% The format of the UnregisterDEBUGImage method is:
130%
131% UnregisterDEBUGImage(void)
132%
133*/
134ModuleExport void UnregisterDEBUGImage(void)
135{
136 (void) UnregisterMagickInfo("DEBUG");
137}
138
139/*
140%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
141% %
142% %
143% %
144% W r i t e D E B U G I m a g e %
145% %
146% %
147% %
148%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
149%
150% WriteDEBUGImage writes the image pixel values with 20 places of precision.
151%
152% The format of the WriteDEBUGImage method is:
153%
154% MagickBooleanType WriteDEBUGImage(const ImageInfo *image_info,
155% Image *image)
156%
157% A description of each parameter follows.
158%
159% o image_info: the image info.
160%
161% o image: The image.
162%
163*/
164static MagickBooleanType WriteDEBUGImage(const ImageInfo *image_info,
165 Image *image)
166{
167 char
168 buffer[MaxTextExtent],
169 colorspace[MaxTextExtent],
170 tuple[MaxTextExtent];
171
172 ssize_t
173 y;
174
175 MagickBooleanType
176 status;
177
178 MagickOffsetType
179 scene;
180
181 MagickPixelPacket
182 pixel;
183
184 register const IndexPacket
185 *indexes;
186
187 register const PixelPacket
188 *p;
189
190 register ssize_t
191 x;
192
193 /*
194 Open output image file.
195 */
196 assert(image_info != (const ImageInfo *) NULL);
197 assert(image_info->signature == MagickSignature);
198 assert(image != (Image *) NULL);
199 assert(image->signature == MagickSignature);
200 if (image->debug != MagickFalse)
201 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
202 status=OpenBlob(image_info,image,WriteBlobMode,&image->exception);
203 if (status == MagickFalse)
204 return(status);
205 scene=0;
206 do
207 {
cristy042ee782011-04-22 18:48:30 +0000[diff] [blame]208 (void) CopyMagickString(colorspace,CommandOptionToMnemonic(
cristy2aac09a2010-06-06 16:46:43 +0000[diff] [blame]209 MagickColorspaceOptions,(ssize_t) image->colorspace),MaxTextExtent);
210 LocaleLower(colorspace);
211 image->depth=GetImageQuantumDepth(image,MagickTrue);
212 if (image->matte != MagickFalse)
213 (void) ConcatenateMagickString(colorspace,"a",MaxTextExtent);
cristyb51dff52011-05-19 16:55:47 +0000[diff] [blame^]214 (void) FormatLocaleString(buffer,MaxTextExtent,
cristy2aac09a2010-06-06 16:46:43 +0000[diff] [blame]215 "# ImageMagick pixel debugging: %.20g,%.20g,%.20g,%s\n",(double)
216 image->columns,(double) image->rows,(double)
217 GetQuantumRange(image->depth),colorspace);
218 (void) WriteBlobString(image,buffer);
219 GetMagickPixelPacket(image,&pixel);
220 for (y=0; y < (ssize_t) image->rows; y++)
221 {
222 p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
223 if (p == (const PixelPacket *) NULL)
224 break;
225 indexes=GetVirtualIndexQueue(image);
226 for (x=0; x < (ssize_t) image->columns; x++)
227 {
cristyb51dff52011-05-19 16:55:47 +0000[diff] [blame^]228 (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g,%.20g: ",(double)
cristy2aac09a2010-06-06 16:46:43 +0000[diff] [blame]229 x,(double) y);
230 (void) WriteBlobString(image,buffer);
231 SetMagickPixelPacket(image,p,indexes+x,&pixel);
cristyb51dff52011-05-19 16:55:47 +0000[diff] [blame^]232 (void) FormatLocaleString(tuple,MaxTextExtent,"%.20g,%.20g,%.20g ",
cristy2aac09a2010-06-06 16:46:43 +0000[diff] [blame]233 (double) pixel.red,(double) pixel.green,(double) pixel.blue);
234 if (pixel.colorspace == CMYKColorspace)
235 {
236 char
237 black[MaxTextExtent];
238
cristyb51dff52011-05-19 16:55:47 +0000[diff] [blame^]239 (void) FormatLocaleString(black,MaxTextExtent,",%.20g ",
cristy2aac09a2010-06-06 16:46:43 +0000[diff] [blame]240 (double) pixel.index);
241 (void) ConcatenateMagickString(tuple,black,MaxTextExtent);
242 }
243 if (pixel.matte != MagickFalse)
244 {
245 char
246 alpha[MaxTextExtent];
247
cristyb51dff52011-05-19 16:55:47 +0000[diff] [blame^]248 (void) FormatLocaleString(alpha,MaxTextExtent,",%.20g ",
cristy2aac09a2010-06-06 16:46:43 +0000[diff] [blame]249 (double) (QuantumRange-pixel.opacity));
250 (void) ConcatenateMagickString(tuple,alpha,MaxTextExtent);
251 }
cristy961ba3e2010-06-06 17:08:19 +0000[diff] [blame]252 (void) WriteBlobString(image,tuple);
cristy2aac09a2010-06-06 16:46:43 +0000[diff] [blame]253 (void) WriteBlobString(image,"\n");
254 p++;
255 }
256 status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
257 image->rows);
258 if (status == MagickFalse)
259 break;
260 }
261 if (GetNextImageInList(image) == (Image *) NULL)
262 break;
263 image=SyncNextImageInList(image);
264 status=SetImageProgress(image,SaveImagesTag,scene++,
265 GetImageListLength(image));
266 if (status == MagickFalse)
267 break;
268 } while (image_info->adjoin != MagickFalse);
269 (void) CloseBlob(image);
270 return(MagickTrue);
271}