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1 /*
2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3 %                                                                             %
4 %                                                                             %
5 %                                                                             %
6 %                                                                             %
7 %           V   V   AAA   L      IIIII  DDDD    AAA   TTTTT  EEEEE            %
8 %           V   V  A   A  L        I    D   D  A   A    T    E                %
9 %           V   V  AAAAA  L        I    D   D  AAAAA    T    EEE              %
10 %            V V   A   A  L        I    D   D  A   A    T    E                %
11 %             V    A   A  LLLLL  IIIII  DDDD   A   A    T    EEEEE            %
12 %                                                                             %
13 %                                                                             %
14 %                        ImageMagick Validation Suite                         %
15 %                                                                             %
16 %                             Software Design                                 %
17 %                                  Cristy                                     %
18 %                               March 2001                                    %
19 %                                                                             %
20 %                                                                             %
21 %  Copyright 1999-2016 ImageMagick Studio LLC, a non-profit organization      %
22 %  dedicated to making software imaging solutions freely available.           %
23 %                                                                             %
24 %  You may not use this file except in compliance with the License.  You may  %
25 %  obtain a copy of the License at                                            %
26 %                                                                             %
27 %    http://www.imagemagick.org/script/license.php                            %
28 %                                                                             %
29 %  Unless required by applicable law or agreed to in writing, software        %
30 %  distributed under the License is distributed on an "AS IS" BASIS,          %
31 %  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   %
32 %  see the License for the specific language governing permissions and        %
33 %  limitations under the License.                                             %
34 %                                                                             %
35 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
36 %
37 %
38 */
39 
40 /*
41   Include declarations.
42 */
43 #include <stdio.h>
44 #include <stdlib.h>
45 #include <string.h>
46 #include <ctype.h>
47 #include <math.h>
48 #include <locale.h>
49 #include "MagickWand/MagickWand.h"
50 #include "MagickCore/colorspace-private.h"
51 #include "MagickCore/gem.h"
52 #include "MagickCore/resource_.h"
53 #include "MagickCore/string-private.h"
54 #include "validate.h"
55 
56 /*
57   Define declarations.
58 */
59 #define CIEEpsilon  (216.0/24389.0)
60 #define CIEK  (24389.0/27.0)
61 #define D65X  0.950456
62 #define D65Y  1.0
63 #define D65Z  1.088754
64 #define ReferenceEpsilon  (QuantumRange*1.0e-2)
65 
66 /*
67 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
68 %                                                                             %
69 %                                                                             %
70 %                                                                             %
71 %   V a l i d a t e C o l o r s p a c e s                                     %
72 %                                                                             %
73 %                                                                             %
74 %                                                                             %
75 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
76 %
77 %  ValidateColorspaces() validates the ImageMagick colorspaces and returns the
78 %  number of validation tests that passed and failed.
79 %
80 %  The format of the ValidateColorspaces method is:
81 %
82 %      size_t ValidateColorspaces(ImageInfo *image_info,size_t *fail,
83 %        ExceptionInfo *exception)
84 %
85 %  A description of each parameter follows:
86 %
87 %    o image_info: the image info.
88 %
89 %    o fail: return the number of validation tests that pass.
90 %
91 %    o exception: return any errors or warnings in this structure.
92 %
93 */
94 
ConvertHSIToRGB(const double hue,const double saturation,const double intensity,double * red,double * green,double * blue)95 static void ConvertHSIToRGB(const double hue,const double saturation,
96   const double intensity,double *red,double *green,double *blue)
97 {
98   double
99     h;
100 
101   h=360.0*hue;
102   h-=360.0*floor(h/360.0);
103   if (h < 120.0)
104     {
105       *blue=intensity*(1.0-saturation);
106       *red=intensity*(1.0+saturation*cos(h*(MagickPI/180.0))/cos((60.0-h)*
107         (MagickPI/180.0)));
108       *green=3.0*intensity-*red-*blue;
109     }
110   else
111     if (h < 240.0)
112       {
113         h-=120.0;
114         *red=intensity*(1.0-saturation);
115         *green=intensity*(1.0+saturation*cos(h*(MagickPI/180.0))/cos((60.0-h)*
116           (MagickPI/180.0)));
117         *blue=3.0*intensity-*red-*green;
118       }
119     else
120       {
121         h-=240.0;
122         *green=intensity*(1.0-saturation);
123         *blue=intensity*(1.0+saturation*cos(h*(MagickPI/180.0))/cos((60.0-h)*
124           (MagickPI/180.0)));
125         *red=3.0*intensity-*green-*blue;
126       }
127   *red*=QuantumRange;
128   *green*=QuantumRange;
129   *blue*=QuantumRange;
130 }
131 
ConvertRGBToHSI(const double red,const double green,const double blue,double * hue,double * saturation,double * intensity)132 static void ConvertRGBToHSI(const double red,const double green,
133   const double blue,double *hue,double *saturation,double *intensity)
134 {
135   double
136     alpha,
137     beta;
138 
139   *intensity=(QuantumScale*red+QuantumScale*green+QuantumScale*blue)/3.0;
140   if (*intensity <= 0.0)
141     {
142       *hue=0.0;
143       *saturation=0.0;
144       return;
145     }
146   *saturation=1.0-MagickMin(QuantumScale*red,MagickMin(QuantumScale*green,
147     QuantumScale*blue))/(*intensity);
148   alpha=0.5*(2.0*QuantumScale*red-QuantumScale*green-QuantumScale*blue);
149   beta=0.8660254037844385*(QuantumScale*green-QuantumScale*blue);
150   *hue=atan2(beta,alpha)*(180.0/MagickPI)/360.0;
151   if (*hue < 0.0)
152     *hue+=1.0;
153 }
154 
ConvertHSVToRGB(const double hue,const double saturation,const double value,double * red,double * green,double * blue)155 static void ConvertHSVToRGB(const double hue,const double saturation,
156   const double value,double *red,double *green,double *blue)
157 {
158   double
159     c,
160     h,
161     min,
162     x;
163 
164   h=hue*360.0;
165   c=value*saturation;
166   min=value-c;
167   h-=360.0*floor(h/360.0);
168   h/=60.0;
169   x=c*(1.0-fabs(h-2.0*floor(h/2.0)-1.0));
170   switch ((int) floor(h))
171   {
172     case 0:
173     {
174       *red=QuantumRange*(min+c);
175       *green=QuantumRange*(min+x);
176       *blue=QuantumRange*min;
177       break;
178     }
179     case 1:
180     {
181       *red=QuantumRange*(min+x);
182       *green=QuantumRange*(min+c);
183       *blue=QuantumRange*min;
184       break;
185     }
186     case 2:
187     {
188       *red=QuantumRange*min;
189       *green=QuantumRange*(min+c);
190       *blue=QuantumRange*(min+x);
191       break;
192     }
193     case 3:
194     {
195       *red=QuantumRange*min;
196       *green=QuantumRange*(min+x);
197       *blue=QuantumRange*(min+c);
198       break;
199     }
200     case 4:
201     {
202       *red=QuantumRange*(min+x);
203       *green=QuantumRange*min;
204       *blue=QuantumRange*(min+c);
205       break;
206     }
207     case 5:
208     {
209       *red=QuantumRange*(min+c);
210       *green=QuantumRange*min;
211       *blue=QuantumRange*(min+x);
212       break;
213     }
214     default:
215     {
216       *red=0.0;
217       *green=0.0;
218       *blue=0.0;
219     }
220   }
221 }
222 
ConvertRGBToXYZ(const double red,const double green,const double blue,double * X,double * Y,double * Z)223 static inline void ConvertRGBToXYZ(const double red,const double green,
224   const double blue,double *X,double *Y,double *Z)
225 {
226   double
227     b,
228     g,
229     r;
230 
231   r=QuantumScale*DecodePixelGamma(red);
232   g=QuantumScale*DecodePixelGamma(green);
233   b=QuantumScale*DecodePixelGamma(blue);
234   *X=0.41239558896741421610*r+0.35758343076371481710*g+0.18049264738170157350*b;
235   *Y=0.21258623078559555160*r+0.71517030370341084990*g+0.07220049864333622685*b;
236   *Z=0.01929721549174694484*r+0.11918386458084853180*g+0.95049712513157976600*b;
237 }
238 
ConvertXYZToLab(const double X,const double Y,const double Z,double * L,double * a,double * b)239 static inline void ConvertXYZToLab(const double X,const double Y,const double Z,
240   double *L,double *a,double *b)
241 {
242   double
243     x,
244     y,
245     z;
246 
247   if ((X/D65X) > CIEEpsilon)
248     x=pow(X/D65X,1.0/3.0);
249   else
250     x=(CIEK*X/D65X+16.0)/116.0;
251   if ((Y/D65Y) > CIEEpsilon)
252     y=pow(Y/D65Y,1.0/3.0);
253   else
254     y=(CIEK*Y/D65Y+16.0)/116.0;
255   if ((Z/D65Z) > CIEEpsilon)
256     z=pow(Z/D65Z,1.0/3.0);
257   else
258     z=(CIEK*Z/D65Z+16.0)/116.0;
259   *L=((116.0*y)-16.0)/100.0;
260   *a=(500.0*(x-y))/255.0+0.5;
261   *b=(200.0*(y-z))/255.0+0.5;
262 }
263 
ConvertRGBToLab(const double red,const double green,const double blue,double * L,double * a,double * b)264 static void ConvertRGBToLab(const double red,const double green,
265   const double blue,double *L,double *a,double *b)
266 {
267   double
268     X,
269     Y,
270     Z;
271 
272   ConvertRGBToXYZ(red,green,blue,&X,&Y,&Z);
273   ConvertXYZToLab(X,Y,Z,L,a,b);
274 }
275 
ConvertLabToXYZ(const double L,const double a,const double b,double * X,double * Y,double * Z)276 static inline void ConvertLabToXYZ(const double L,const double a,const double b,
277   double *X,double *Y,double *Z)
278 {
279   double
280     x,
281     y,
282     z;
283 
284   y=(L+16.0)/116.0;
285   x=y+a/500.0;
286   z=y-b/200.0;
287   if ((x*x*x) > CIEEpsilon)
288     x=(x*x*x);
289   else
290     x=(116.0*x-16.0)/CIEK;
291   if ((y*y*y) > CIEEpsilon)
292     y=(y*y*y);
293   else
294     y=L/CIEK;
295   if ((z*z*z) > CIEEpsilon)
296     z=(z*z*z);
297   else
298     z=(116.0*z-16.0)/CIEK;
299   *X=D65X*x;
300   *Y=D65Y*y;
301   *Z=D65Z*z;
302 }
303 
ConvertXYZToRGB(const double x,const double y,const double z,double * red,double * green,double * blue)304 static inline void ConvertXYZToRGB(const double x,const double y,const double z,
305   double *red,double *green,double *blue)
306 {
307   double
308     b,
309     g,
310     r;
311 
312   r=3.2406*x-1.5372*y-0.4986*z;
313   g=(-0.9689*x+1.8758*y+0.0415*z);
314   b=0.0557*x-0.2040*y+1.0570*z;
315   *red=EncodePixelGamma(QuantumRange*r);
316   *green=EncodePixelGamma(QuantumRange*g);
317   *blue=EncodePixelGamma(QuantumRange*b);
318 }
319 
ConvertLabToRGB(const double L,const double a,const double b,double * red,double * green,double * blue)320 static inline void ConvertLabToRGB(const double L,const double a,
321   const double b,double *red,double *green,double *blue)
322 {
323   double
324     X,
325     Y,
326     Z;
327 
328   ConvertLabToXYZ(L*100.0,255.0*(a-0.5),255.0*(b-0.5),&X,&Y,&Z);
329   ConvertXYZToRGB(X,Y,Z,red,green,blue);
330 }
331 
ConvertRGBToYPbPr(const double red,const double green,const double blue,double * Y,double * Pb,double * Pr)332 static void ConvertRGBToYPbPr(const double red,const double green,
333   const double blue,double *Y,double *Pb,double *Pr)
334 {
335   *Y=QuantumScale*(0.298839*red+0.586811*green+0.114350*blue);
336   *Pb=QuantumScale*((-0.1687367)*red-0.331264*green+0.5*blue)+0.5;
337   *Pr=QuantumScale*(0.5*red-0.418688*green-0.081312*blue)+0.5;
338 }
339 
ConvertRGBToYCbCr(const double red,const double green,const double blue,double * Y,double * Cb,double * Cr)340 static void ConvertRGBToYCbCr(const double red,const double green,
341   const double blue,double *Y,double *Cb,double *Cr)
342 {
343   ConvertRGBToYPbPr(red,green,blue,Y,Cb,Cr);
344 }
345 
ConvertYPbPrToRGB(const double Y,const double Pb,const double Pr,double * red,double * green,double * blue)346 static void ConvertYPbPrToRGB(const double Y,const double Pb,const double Pr,
347   double *red,double *green,double *blue)
348 {
349   *red=QuantumRange*(0.99999999999914679361*Y-1.2188941887145875e-06*(Pb-0.5)+
350     1.4019995886561440468*(Pr-0.5));
351   *green=QuantumRange*(0.99999975910502514331*Y-0.34413567816504303521*(Pb-0.5)-
352     0.71413649331646789076*(Pr-0.5));
353   *blue=QuantumRange*(1.00000124040004623180*Y+1.77200006607230409200*(Pb-0.5)+
354     2.1453384174593273e-06*(Pr-0.5));
355 }
356 
ConvertYCbCrToRGB(const double Y,const double Cb,const double Cr,double * red,double * green,double * blue)357 static void ConvertYCbCrToRGB(const double Y,const double Cb,
358   const double Cr,double *red,double *green,double *blue)
359 {
360   ConvertYPbPrToRGB(Y,Cb,Cr,red,green,blue);
361 }
362 
ConvertLCHabToXYZ(const double luma,const double chroma,const double hue,double * X,double * Y,double * Z)363 static inline void ConvertLCHabToXYZ(const double luma,const double chroma,
364   const double hue,double *X,double *Y,double *Z)
365 {
366   ConvertLabToXYZ(luma,chroma*cos(hue*MagickPI/180.0),chroma*
367     sin(hue*MagickPI/180.0),X,Y,Z);
368 }
369 
ConvertLCHabToRGB(const double luma,const double chroma,const double hue,double * red,double * green,double * blue)370 static void ConvertLCHabToRGB(const double luma,const double chroma,
371   const double hue,double *red,double *green,double *blue)
372 {
373   double
374     X,
375     Y,
376     Z;
377 
378   ConvertLCHabToXYZ(luma*100.0,255.0*(chroma-0.5),360.0*hue,&X,&Y,&Z);
379   ConvertXYZToRGB(X,Y,Z,red,green,blue);
380 }
381 
ConvertRGBToHSV(const double red,const double green,const double blue,double * hue,double * saturation,double * value)382 static void ConvertRGBToHSV(const double red,const double green,
383   const double blue,double *hue,double *saturation,double *value)
384 {
385   double
386     c,
387     max,
388     min;
389 
390   max=MagickMax(QuantumScale*red,MagickMax(QuantumScale*green,
391     QuantumScale*blue));
392   min=MagickMin(QuantumScale*red,MagickMin(QuantumScale*green,
393     QuantumScale*blue));
394   c=max-min;
395   *value=max;
396   if (c <= 0.0)
397     {
398       *hue=0.0;
399       *saturation=0.0;
400       return;
401     }
402   if (max == (QuantumScale*red))
403     {
404       *hue=(QuantumScale*green-QuantumScale*blue)/c;
405       if ((QuantumScale*green) < (QuantumScale*blue))
406         *hue+=6.0;
407     }
408   else
409     if (max == (QuantumScale*green))
410       *hue=2.0+(QuantumScale*blue-QuantumScale*red)/c;
411     else
412       *hue=4.0+(QuantumScale*red-QuantumScale*green)/c;
413   *hue*=60.0/360.0;
414   *saturation=c/max;
415 }
416 
ConvertXYZToLCHab(const double X,const double Y,const double Z,double * luma,double * chroma,double * hue)417 static inline void ConvertXYZToLCHab(const double X,const double Y,
418   const double Z,double *luma,double *chroma,double *hue)
419 {
420   double
421     a,
422     b;
423 
424   ConvertXYZToLab(X,Y,Z,luma,&a,&b);
425   *chroma=hypot(255.0*(a-0.5),255.0*(b-0.5))/255.0+0.5;
426   *hue=180.0*atan2(255.0*(b-0.5),255.0*(a-0.5))/MagickPI/360.0;
427   if (*hue < 0.0)
428     *hue+=1.0;
429 }
430 
ConvertRGBToLCHab(const double red,const double green,const double blue,double * luma,double * chroma,double * hue)431 static void ConvertRGBToLCHab(const double red,const double green,
432   const double blue,double *luma,double *chroma,double *hue)
433 {
434   double
435     X,
436     Y,
437     Z;
438 
439   ConvertRGBToXYZ(red,green,blue,&X,&Y,&Z);
440   ConvertXYZToLCHab(X,Y,Z,luma,chroma,hue);
441 }
442 
ConvertLMSToXYZ(const double L,const double M,const double S,double * X,double * Y,double * Z)443 static inline void ConvertLMSToXYZ(const double L,const double M,const double S,
444   double *X,double *Y,double *Z)
445 {
446   *X=1.096123820835514*L-0.278869000218287*M+0.182745179382773*S;
447   *Y=0.454369041975359*L+0.473533154307412*M+0.072097803717229*S;
448   *Z=(-0.009627608738429)*L-0.005698031216113*M+1.015325639954543*S;
449 }
450 
ConvertLMSToRGB(const double L,const double M,const double S,double * red,double * green,double * blue)451 static inline void ConvertLMSToRGB(const double L,const double M,
452   const double S,double *red,double *green,double *blue)
453 {
454   double
455     X,
456     Y,
457     Z;
458 
459   ConvertLMSToXYZ(L,M,S,&X,&Y,&Z);
460   ConvertXYZToRGB(X,Y,Z,red,green,blue);
461 }
462 
ConvertXYZToLMS(const double x,const double y,const double z,double * L,double * M,double * S)463 static inline void ConvertXYZToLMS(const double x,const double y,
464   const double z,double *L,double *M,double *S)
465 {
466   *L=0.7328*x+0.4296*y-0.1624*z;
467   *M=(-0.7036*x+1.6975*y+0.0061*z);
468   *S=0.0030*x+0.0136*y+0.9834*z;
469 }
470 
ConvertRGBToLMS(const double red,const double green,const double blue,double * L,double * M,double * S)471 static void ConvertRGBToLMS(const double red,const double green,
472   const double blue,double *L,double *M,double *S)
473 {
474   double
475     X,
476     Y,
477     Z;
478 
479   ConvertRGBToXYZ(red,green,blue,&X,&Y,&Z);
480   ConvertXYZToLMS(X,Y,Z,L,M,S);
481 }
482 
ConvertXYZToLuv(const double X,const double Y,const double Z,double * L,double * u,double * v)483 static inline void ConvertXYZToLuv(const double X,const double Y,const double Z,
484   double *L,double *u,double *v)
485 {
486   double
487     alpha;
488 
489   if ((Y/D65Y) > CIEEpsilon)
490     *L=(double) (116.0*pow(Y/D65Y,1.0/3.0)-16.0);
491   else
492     *L=CIEK*(Y/D65Y);
493   alpha=PerceptibleReciprocal(X+15.0*Y+3.0*Z);
494   *u=13.0*(*L)*((4.0*alpha*X)-(4.0*D65X/(D65X+15.0*D65Y+3.0*D65Z)));
495   *v=13.0*(*L)*((9.0*alpha*Y)-(9.0*D65Y/(D65X+15.0*D65Y+3.0*D65Z)));
496   *L/=100.0;
497   *u=(*u+134.0)/354.0;
498   *v=(*v+140.0)/262.0;
499 }
500 
ConvertRGBToLuv(const double red,const double green,const double blue,double * L,double * u,double * v)501 static void ConvertRGBToLuv(const double red,const double green,
502   const double blue,double *L,double *u,double *v)
503 {
504   double
505     X,
506     Y,
507     Z;
508 
509   ConvertRGBToXYZ(red,green,blue,&X,&Y,&Z);
510   ConvertXYZToLuv(X,Y,Z,L,u,v);
511 }
512 
ConvertLuvToXYZ(const double L,const double u,const double v,double * X,double * Y,double * Z)513 static inline void ConvertLuvToXYZ(const double L,const double u,const double v,
514   double *X,double *Y,double *Z)
515 {
516   if (L > (CIEK*CIEEpsilon))
517     *Y=(double) pow((L+16.0)/116.0,3.0);
518   else
519     *Y=L/CIEK;
520   *X=((*Y*((39.0*L/(v+13.0*L*(9.0*D65Y/(D65X+15.0*D65Y+3.0*D65Z))))-5.0))+
521     5.0*(*Y))/((((52.0f*L/(u+13.0*L*(4.0*D65X/(D65X+15.0*D65Y+3.0*D65Z))))-1.0)/
522     3.0)-(-1.0/3.0));
523   *Z=(*X*(((52.0f*L/(u+13.0*L*(4.0*D65X/(D65X+15.0*D65Y+3.0*D65Z))))-1.0)/3.0))-
524     5.0*(*Y);
525 }
526 
ConvertLuvToRGB(const double L,const double u,const double v,double * red,double * green,double * blue)527 static inline void ConvertLuvToRGB(const double L,const double u,
528   const double v,double *red,double *green,double *blue)
529 {
530   double
531     X,
532     Y,
533     Z;
534 
535   ConvertLuvToXYZ(100.0*L,354.0*u-134.0,262.0*v-140.0,&X,&Y,&Z);
536   ConvertXYZToRGB(X,Y,Z,red,green,blue);
537 }
538 
ConvertRGBToYDbDr(const double red,const double green,const double blue,double * Y,double * Db,double * Dr)539 static void ConvertRGBToYDbDr(const double red,const double green,
540   const double blue,double *Y,double *Db,double *Dr)
541 {
542   *Y=QuantumScale*(0.298839*red+0.586811*green+0.114350*blue);
543   *Db=QuantumScale*(-0.450*red-0.883*green+1.333*blue)+0.5;
544   *Dr=QuantumScale*(-1.333*red+1.116*green+0.217*blue)+0.5;
545 }
546 
ConvertYDbDrToRGB(const double Y,const double Db,const double Dr,double * red,double * green,double * blue)547 static void ConvertYDbDrToRGB(const double Y,const double Db,const double Dr,
548   double *red,double *green,double *blue)
549 {
550   *red=QuantumRange*(Y+9.2303716147657e-05*(Db-0.5)-0.52591263066186533*
551     (Dr-0.5));
552   *green=QuantumRange*(Y-0.12913289889050927*(Db-0.5)+0.26789932820759876*
553     (Dr-0.5));
554   *blue=QuantumRange*(Y+0.66467905997895482*(Db-0.5)-7.9202543533108e-05*
555     (Dr-0.5));
556 }
557 
ConvertRGBToYIQ(const double red,const double green,const double blue,double * Y,double * I,double * Q)558 static void ConvertRGBToYIQ(const double red,const double green,
559   const double blue,double *Y,double *I,double *Q)
560 {
561   *Y=QuantumScale*(0.298839*red+0.586811*green+0.114350*blue);
562   *I=QuantumScale*(0.595716*red-0.274453*green-0.321263*blue)+0.5;
563   *Q=QuantumScale*(0.211456*red-0.522591*green+0.311135*blue)+0.5;
564 }
565 
ConvertYIQToRGB(const double Y,const double I,const double Q,double * red,double * green,double * blue)566 static void ConvertYIQToRGB(const double Y,const double I,const double Q,
567   double *red,double *green,double *blue)
568 {
569   *red=QuantumRange*(Y+0.9562957197589482261*(I-0.5)+0.6210244164652610754*
570     (Q-0.5));
571   *green=QuantumRange*(Y-0.2721220993185104464*(I-0.5)-0.6473805968256950427*
572     (Q-0.5));
573   *blue=QuantumRange*(Y-1.1069890167364901945*(I-0.5)+1.7046149983646481374*
574     (Q-0.5));
575 }
576 
ConvertRGBToYUV(const double red,const double green,const double blue,double * Y,double * U,double * V)577 static void ConvertRGBToYUV(const double red,const double green,
578   const double blue,double *Y,double *U,double *V)
579 {
580   *Y=QuantumScale*(0.298839*red+0.586811*green+0.114350*blue);
581   *U=QuantumScale*((-0.147)*red-0.289*green+0.436*blue)+0.5;
582   *V=QuantumScale*(0.615*red-0.515*green-0.100*blue)+0.5;
583 }
584 
ConvertYUVToRGB(const double Y,const double U,const double V,double * red,double * green,double * blue)585 static void ConvertYUVToRGB(const double Y,const double U,const double V,
586   double *red,double *green,double *blue)
587 {
588   *red=QuantumRange*(Y-3.945707070708279e-05*(U-0.5)+1.1398279671717170825*
589     (V-0.5));
590   *green=QuantumRange*(Y-0.3946101641414141437*(U-0.5)-0.5805003156565656797*
591     (V-0.5));
592   *blue=QuantumRange*(Y+2.0319996843434342537*(U-0.5)-4.813762626262513e-04*
593     (V-0.5));
594 }
595 
ValidateHSIToRGB()596 static MagickBooleanType ValidateHSIToRGB()
597 {
598   double
599     r,
600     g,
601     b;
602 
603   (void) FormatLocaleFile(stdout,"  HSIToRGB");
604   ConvertHSIToRGB(111.244375/360.0,0.295985,0.658734,&r,&g,&b);
605   if ((fabs(r-0.545877*QuantumRange) >= ReferenceEpsilon) ||
606       (fabs(g-0.966567*QuantumRange) >= ReferenceEpsilon) ||
607       (fabs(b-0.463759*QuantumRange) >= ReferenceEpsilon))
608     return(MagickFalse);
609   return(MagickTrue);
610 }
611 
ValidateRGBToHSI()612 static MagickBooleanType ValidateRGBToHSI()
613 {
614   double
615     h,
616     i,
617     s;
618 
619   (void) FormatLocaleFile(stdout,"  RGBToHSI");
620   ConvertRGBToHSI(0.545877*QuantumRange,0.966567*QuantumRange,
621     0.463759*QuantumRange,&h,&s,&i);
622   if ((fabs(h-111.244374/360.0) >= ReferenceEpsilon) ||
623       (fabs(s-0.295985) >= ReferenceEpsilon) ||
624       (fabs(i-0.658734) >= ReferenceEpsilon))
625     return(MagickFalse);
626   return(MagickTrue);
627 }
628 
ValidateHSLToRGB()629 static MagickBooleanType ValidateHSLToRGB()
630 {
631   double
632     r,
633     g,
634     b;
635 
636   (void) FormatLocaleFile(stdout,"  HSLToRGB");
637   ConvertHSLToRGB(110.200859/360.0,0.882623,0.715163,&r,&g,&b);
638   if ((fabs(r-0.545877*QuantumRange) >= ReferenceEpsilon) ||
639       (fabs(g-0.966567*QuantumRange) >= ReferenceEpsilon) ||
640       (fabs(b-0.463759*QuantumRange) >= ReferenceEpsilon))
641     return(MagickFalse);
642   return(MagickTrue);
643 }
644 
ValidateRGBToHSL()645 static MagickBooleanType ValidateRGBToHSL()
646 {
647   double
648     h,
649     l,
650     s;
651 
652   (void) FormatLocaleFile(stdout,"  RGBToHSL");
653   ConvertRGBToHSL(0.545877*QuantumRange,0.966567*QuantumRange,
654     0.463759*QuantumRange,&h,&s,&l);
655   if ((fabs(h-110.200859/360.0) >= ReferenceEpsilon) ||
656       (fabs(s-0.882623) >= ReferenceEpsilon) ||
657       (fabs(l-0.715163) >= ReferenceEpsilon))
658     return(MagickFalse);
659   return(MagickTrue);
660 }
661 
ValidateHSVToRGB()662 static MagickBooleanType ValidateHSVToRGB()
663 {
664   double
665     r,
666     g,
667     b;
668 
669   (void) FormatLocaleFile(stdout,"  HSVToRGB");
670   ConvertHSVToRGB(110.200859/360.0,0.520200,0.966567,&r,&g,&b);
671   if ((fabs(r-0.545877*QuantumRange) >= ReferenceEpsilon) ||
672       (fabs(g-0.966567*QuantumRange) >= ReferenceEpsilon) ||
673       (fabs(b-0.463759*QuantumRange) >= ReferenceEpsilon))
674     return(MagickFalse);
675   return(MagickTrue);
676 }
677 
ValidateRGBToHSV()678 static MagickBooleanType ValidateRGBToHSV()
679 {
680   double
681     h,
682     s,
683     v;
684 
685   (void) FormatLocaleFile(stdout,"  RGBToHSV");
686   ConvertRGBToHSV(0.545877*QuantumRange,0.966567*QuantumRange,
687     0.463759*QuantumRange,&h,&s,&v);
688   if ((fabs(h-110.200859/360.0) >= ReferenceEpsilon) ||
689       (fabs(s-0.520200) >= ReferenceEpsilon) ||
690       (fabs(v-0.966567) >= ReferenceEpsilon))
691     return(MagickFalse);
692   return(MagickTrue);
693 }
694 
ValidateRGBToJPEGYCbCr()695 static MagickBooleanType ValidateRGBToJPEGYCbCr()
696 {
697   double
698     Cb,
699     Cr,
700     Y;
701 
702   (void) FormatLocaleFile(stdout,"  RGBToJPEGYCbCr");
703   ConvertRGBToYCbCr(0.545877*QuantumRange,0.966567*QuantumRange,
704     0.463759*QuantumRange,&Y,&Cb,&Cr);
705   if ((fabs(Y-0.783460) >= ReferenceEpsilon) ||
706       (fabs(Cb-0.319581) >= ReferenceEpsilon) ||
707       (fabs(Cr-0.330539) >= ReferenceEpsilon))
708     return(MagickFalse);
709   return(MagickTrue);
710 }
711 
ValidateJPEGYCbCrToRGB()712 static MagickBooleanType ValidateJPEGYCbCrToRGB()
713 {
714   double
715     r,
716     g,
717     b;
718 
719   (void) FormatLocaleFile(stdout,"  JPEGYCbCrToRGB");
720   ConvertYCbCrToRGB(0.783460,0.319581,0.330539,&r,&g,&b);
721   if ((fabs(r-0.545877*QuantumRange) >= ReferenceEpsilon) ||
722       (fabs(g-0.966567*QuantumRange) >= ReferenceEpsilon) ||
723       (fabs(b-0.463759*QuantumRange) >= ReferenceEpsilon))
724     return(MagickFalse);
725   return(MagickTrue);
726 }
727 
ValidateLabToRGB()728 static MagickBooleanType ValidateLabToRGB()
729 {
730   double
731     r,
732     g,
733     b;
734 
735   (void) FormatLocaleFile(stdout,"  LabToRGB");
736   ConvertLabToRGB(88.456154/100.0,-54.671483/255+0.5,51.662818/255.0+0.5,
737     &r,&g,&b);
738   if ((fabs(r-0.545877*QuantumRange) >= ReferenceEpsilon) ||
739       (fabs(g-0.966567*QuantumRange) >= ReferenceEpsilon) ||
740       (fabs(b-0.463759*QuantumRange) >= ReferenceEpsilon))
741     return(MagickFalse);
742   return(MagickTrue);
743 }
744 
ValidateRGBToLab()745 static MagickBooleanType ValidateRGBToLab()
746 {
747   double
748     a,
749     b,
750     L;
751 
752   (void) FormatLocaleFile(stdout,"  RGBToLab");
753   ConvertRGBToLab(0.545877*QuantumRange,0.966567*QuantumRange,
754     0.463759*QuantumRange,&L,&a,&b);
755   if ((fabs(L-(88.456154/100.0)) >= ReferenceEpsilon) ||
756       (fabs(a-(-54.671483/255.0+0.5)) >= ReferenceEpsilon) ||
757       (fabs(b-(51.662818/255.0+0.5)) >= ReferenceEpsilon))
758     return(MagickFalse);
759   return(MagickTrue);
760 }
761 
ValidateLchToRGB()762 static MagickBooleanType ValidateLchToRGB()
763 {
764   double
765     b,
766     g,
767     r;
768 
769   (void) FormatLocaleFile(stdout,"  LchToRGB");
770   ConvertLCHabToRGB(88.456154/100.0,75.219797/255.0+0.5,136.620717/360.0,
771     &r,&g,&b);
772   if ((fabs(r-0.545877*QuantumRange) >= ReferenceEpsilon) ||
773       (fabs(g-0.966567*QuantumRange) >= ReferenceEpsilon) ||
774       (fabs(b-0.463759*QuantumRange) >= ReferenceEpsilon))
775     return(MagickFalse);
776   return(MagickTrue);
777 }
778 
ValidateRGBToLch()779 static MagickBooleanType ValidateRGBToLch()
780 {
781   double
782     c,
783     h,
784     L;
785 
786   (void) FormatLocaleFile(stdout,"  RGBToLch");
787   ConvertRGBToLCHab(0.545877*QuantumRange,0.966567*QuantumRange,
788     0.463759*QuantumRange,&L,&c,&h);
789   if ((fabs(L-88.456154/100.0) >= ReferenceEpsilon) ||
790       (fabs(c-(75.219797/255.0+0.5)) >= ReferenceEpsilon) ||
791       (fabs(h-(136.620717/255.0+0.5)) >= ReferenceEpsilon))
792     return(MagickFalse);
793   return(MagickTrue);
794 }
795 
ValidateRGBToLMS()796 static MagickBooleanType ValidateRGBToLMS()
797 {
798   double
799     L,
800     M,
801     S;
802 
803   (void) FormatLocaleFile(stdout,"  RGBToLMS");
804   ConvertRGBToLMS(0.545877*QuantumRange,0.966567*QuantumRange,
805     0.463759*QuantumRange,&L,&M,&S);
806   if ((fabs(L-0.611749) >= ReferenceEpsilon) ||
807       (fabs(M-0.910088) >= ReferenceEpsilon) ||
808       (fabs(S-0.294880) >= ReferenceEpsilon))
809     return(MagickFalse);
810   return(MagickTrue);
811 }
812 
ValidateLMSToRGB()813 static MagickBooleanType ValidateLMSToRGB()
814 {
815   double
816     r,
817     g,
818     b;
819 
820   (void) FormatLocaleFile(stdout,"  LMSToRGB");
821   ConvertLMSToRGB(0.611749,0.910088,0.294880,&r,&g,&b);
822   if ((fabs(r-0.545877*QuantumRange) >= ReferenceEpsilon) ||
823       (fabs(g-0.966567*QuantumRange) >= ReferenceEpsilon) ||
824       (fabs(b-0.463759*QuantumRange) >= ReferenceEpsilon))
825     return(MagickFalse);
826   return(MagickTrue);
827 }
828 
ValidateRGBToLuv()829 static MagickBooleanType ValidateRGBToLuv()
830 {
831   double
832     l,
833     u,
834     v;
835 
836   (void) FormatLocaleFile(stdout,"  RGBToLuv");
837   ConvertRGBToLuv(0.545877*QuantumRange,0.966567*QuantumRange,
838     0.463759*QuantumRange,&l,&u,&v);
839   if ((fabs(l-88.456154/262.0) >= ReferenceEpsilon) ||
840       (fabs(u-(-51.330414+134.0)/354.0) >= ReferenceEpsilon) ||
841       (fabs(v-(76.405526+140.0)/262.0) >= ReferenceEpsilon))
842     return(MagickFalse);
843   return(MagickTrue);
844 }
845 
ValidateLuvToRGB()846 static MagickBooleanType ValidateLuvToRGB()
847 {
848   double
849     r,
850     g,
851     b;
852 
853   (void) FormatLocaleFile(stdout,"  LuvToRGB");
854   ConvertLuvToRGB(88.456154/100.0,(-51.330414+134.0)/354.0,
855     (76.405526+140.0)/262.0,&r,&g,&b);
856   if ((fabs(r-0.545877*QuantumRange) >= ReferenceEpsilon) ||
857       (fabs(g-0.966567*QuantumRange) >= ReferenceEpsilon) ||
858       (fabs(b-0.463759*QuantumRange) >= ReferenceEpsilon))
859     return(MagickFalse);
860   return(MagickTrue);
861 }
862 
ValidateRGBToXYZ()863 static MagickBooleanType ValidateRGBToXYZ()
864 {
865   double
866     x,
867     y,
868     z;
869 
870   (void) FormatLocaleFile(stdout,"  RGBToXYZ");
871   ConvertRGBToXYZ(0.545877*QuantumRange,0.966567*QuantumRange,
872     0.463759*QuantumRange,&x,&y,&z);
873   if ((fabs(x-0.470646) >= ReferenceEpsilon) ||
874       (fabs(y-0.730178) >= ReferenceEpsilon) ||
875       (fabs(z-0.288324) >= ReferenceEpsilon))
876     return(MagickFalse);
877   return(MagickTrue);
878 }
879 
ValidateXYZToRGB()880 static MagickBooleanType ValidateXYZToRGB()
881 {
882   double
883     r,
884     g,
885     b;
886 
887   (void) FormatLocaleFile(stdout,"  XYZToRGB");
888   ConvertXYZToRGB(0.470646,0.730178,0.288324,&r,&g,&b);
889   if ((fabs(r-0.545877*QuantumRange) >= ReferenceEpsilon) ||
890       (fabs(g-0.966567*QuantumRange) >= ReferenceEpsilon) ||
891       (fabs(b-0.463759*QuantumRange) >= ReferenceEpsilon))
892     return(MagickFalse);
893   return(MagickTrue);
894 }
895 
ValidateYDbDrToRGB()896 static MagickBooleanType ValidateYDbDrToRGB()
897 {
898   double
899     r,
900     g,
901     b;
902 
903   (void) FormatLocaleFile(stdout,"  YDbDrToRGB");
904   ConvertYDbDrToRGB(0.783460,-0.480932+0.5,0.451670+0.5,&r,&g,&b);
905   if ((fabs(r-0.545877*QuantumRange) >= ReferenceEpsilon) ||
906       (fabs(g-0.966567*QuantumRange) >= ReferenceEpsilon) ||
907       (fabs(b-0.463759*QuantumRange) >= ReferenceEpsilon))
908     return(MagickFalse);
909   return(MagickTrue);
910 }
911 
ValidateRGBToYDbDr()912 static MagickBooleanType ValidateRGBToYDbDr()
913 {
914   double
915     Db,
916     Dr,
917     Y;
918 
919   (void) FormatLocaleFile(stdout,"  RGBToYDbDr");
920   ConvertRGBToYDbDr(0.545877*QuantumRange,0.966567*QuantumRange,
921     0.463759*QuantumRange,&Y,&Db,&Dr);
922   if ((fabs(Y-0.783460) >= ReferenceEpsilon) ||
923       (fabs(Db-(-0.480932)) >= ReferenceEpsilon) ||
924       (fabs(Dr-0.451670) >= ReferenceEpsilon))
925     return(MagickFalse);
926   return(MagickTrue);
927 }
928 
ValidateRGBToYIQ()929 static MagickBooleanType ValidateRGBToYIQ()
930 {
931   double
932     i,
933     q,
934     y;
935 
936   (void) FormatLocaleFile(stdout,"  RGBToYIQ");
937   ConvertRGBToYIQ(0.545877*QuantumRange,0.966567*QuantumRange,
938     0.463759*QuantumRange,&y,&i,&q);
939   if ((fabs(y-0.783460) >= ReferenceEpsilon) ||
940       (fabs(i-(-0.089078)) >= ReferenceEpsilon) ||
941       (fabs(q-(-0.245399)) >= ReferenceEpsilon))
942     return(MagickFalse);
943   return(MagickTrue);
944 }
945 
ValidateYIQToRGB()946 static MagickBooleanType ValidateYIQToRGB()
947 {
948   double
949     r,
950     g,
951     b;
952 
953   (void) FormatLocaleFile(stdout,"  YIQToRGB");
954   ConvertYIQToRGB(0.783460,-0.089078+0.5,-0.245399+0.5,&r,&g,&b);
955   if ((fabs(r-0.545877*QuantumRange) >= ReferenceEpsilon) ||
956       (fabs(g-0.966567*QuantumRange) >= ReferenceEpsilon) ||
957       (fabs(b-0.463759*QuantumRange) >= ReferenceEpsilon))
958     return(MagickFalse);
959   return(MagickTrue);
960 }
961 
ValidateRGBToYPbPr()962 static MagickBooleanType ValidateRGBToYPbPr()
963 {
964   double
965     Pb,
966     Pr,
967     y;
968 
969   (void) FormatLocaleFile(stdout,"  RGBToYPbPr");
970   ConvertRGBToYPbPr(0.545877*QuantumRange,0.966567*QuantumRange,
971     0.463759*QuantumRange,&y,&Pb,&Pr);
972   if ((fabs(y-0.783460) >= ReferenceEpsilon) ||
973       (fabs(Pb-(-0.180419)) >= ReferenceEpsilon) ||
974       (fabs(Pr-(-0.169461)) >= ReferenceEpsilon))
975     return(MagickFalse);
976   return(MagickTrue);
977 }
978 
ValidateYPbPrToRGB()979 static MagickBooleanType ValidateYPbPrToRGB()
980 {
981   double
982     r,
983     g,
984     b;
985 
986   (void) FormatLocaleFile(stdout,"  YPbPrToRGB");
987   ConvertYPbPrToRGB(0.783460,-0.180419+0.5,-0.169461+0.5,&r,&g,&b);
988   if ((fabs(r-0.545877*QuantumRange) >= ReferenceEpsilon) ||
989       (fabs(g-0.966567*QuantumRange) >= ReferenceEpsilon) ||
990       (fabs(b-0.463759*QuantumRange) >= ReferenceEpsilon))
991     return(MagickFalse);
992   return(MagickTrue);
993 }
994 
ValidateRGBToYUV()995 static MagickBooleanType ValidateRGBToYUV()
996 {
997   double
998     U,
999     V,
1000     Y;
1001 
1002   (void) FormatLocaleFile(stdout,"  RGBToYUV");
1003   ConvertRGBToYUV(0.545877*QuantumRange,0.966567*QuantumRange,
1004     0.463759*QuantumRange,&Y,&U,&V);
1005   if ((fabs(Y-0.783460) >= ReferenceEpsilon) ||
1006       (fabs(U-(-0.157383)) >= ReferenceEpsilon) ||
1007       (fabs(V-(-0.208443)) >= ReferenceEpsilon))
1008     return(MagickFalse);
1009   return(MagickTrue);
1010 }
1011 
ValidateYUVToRGB()1012 static MagickBooleanType ValidateYUVToRGB()
1013 {
1014   double
1015     r,
1016     g,
1017     b;
1018 
1019   (void) FormatLocaleFile(stdout,"  YUVToRGB");
1020   ConvertYUVToRGB(0.783460,-0.157383+0.5,-0.208443+0.5,&r,&g,&b);
1021   if ((fabs(r-0.545877*QuantumRange) >= ReferenceEpsilon) ||
1022       (fabs(g-0.966567*QuantumRange) >= ReferenceEpsilon) ||
1023       (fabs(b-0.463759*QuantumRange) >= ReferenceEpsilon))
1024     return(MagickFalse);
1025   return(MagickTrue);
1026 }
1027 
ValidateColorspaces(ImageInfo * image_info,size_t * fail,ExceptionInfo * exception)1028 static size_t ValidateColorspaces(ImageInfo *image_info,size_t *fail,
1029   ExceptionInfo *exception)
1030 {
1031   MagickBooleanType
1032     status;
1033 
1034   size_t
1035     test;
1036 
1037   /*
1038      Reference: https://code.google.com/p/chroma.
1039 
1040      Illuminant =  D65
1041      Observer   =  2° (1931)
1042 
1043      XYZ            0.470645,   0.730177,   0.288323
1044      sRGB           0.545877,   0.966567,   0.463759
1045      CAT02 LMS      0.611749,   0.910088,   0.294880
1046      Y'DbDr         0.783460,  -0.480932,   0.451670
1047      Y'IQ           0.783460,  -0.089078,  -0.245399
1048      Y'PbPr         0.783460,  -0.180419,  -0.169461
1049      Y'UV           0.783460,  -0.157383,  -0.208443
1050      JPEG-Y'CbCr    0.783460,   0.319581,   0.330539
1051      L*u*v*        88.456154, -51.330414,  76.405526
1052      L*a*b*        88.456154, -54.671483,  51.662818
1053      L*C*H*        88.456154,  75.219797, 136.620717
1054      HSV          110.200859,   0.520200,   0.966567
1055      HSL          110.200859,   0.882623,   0.715163
1056      HSI          111.244375,   0.295985,   0.658734
1057      Y'CbCr       187.577791,  87.586330,  90.040886
1058   */
1059   (void) FormatLocaleFile(stdout,"validate colorspaces:\n");
1060   for (test=0; test < 26; test++)
1061   {
1062     CatchException(exception);
1063     (void) FormatLocaleFile(stdout,"  test %.20g: ",(double) test);
1064     switch (test)
1065     {
1066       case  0: status=ValidateHSIToRGB(); break;
1067       case  1: status=ValidateRGBToHSI(); break;
1068       case  2: status=ValidateHSLToRGB(); break;
1069       case  3: status=ValidateRGBToHSL(); break;
1070       case  4: status=ValidateHSVToRGB(); break;
1071       case  5: status=ValidateRGBToHSV(); break;
1072       case  6: status=ValidateJPEGYCbCrToRGB(); break;
1073       case  7: status=ValidateRGBToJPEGYCbCr(); break;
1074       case  8: status=ValidateLabToRGB(); break;
1075       case  9: status=ValidateRGBToLab(); break;
1076       case 10: status=ValidateLchToRGB(); break;
1077       case 11: status=ValidateRGBToLch(); break;
1078       case 12: status=ValidateLMSToRGB(); break;
1079       case 13: status=ValidateRGBToLMS(); break;
1080       case 14: status=ValidateLuvToRGB(); break;
1081       case 15: status=ValidateRGBToLuv(); break;
1082       case 16: status=ValidateXYZToRGB(); break;
1083       case 17: status=ValidateRGBToXYZ(); break;
1084       case 18: status=ValidateYDbDrToRGB(); break;
1085       case 19: status=ValidateRGBToYDbDr(); break;
1086       case 20: status=ValidateYIQToRGB(); break;
1087       case 21: status=ValidateRGBToYIQ(); break;
1088       case 22: status=ValidateYPbPrToRGB(); break;
1089       case 23: status=ValidateRGBToYPbPr(); break;
1090       case 24: status=ValidateYUVToRGB(); break;
1091       case 25: status=ValidateRGBToYUV(); break;
1092       default: status=MagickFalse;
1093     }
1094     if (status == MagickFalse)
1095       {
1096         (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
1097           GetMagickModule());
1098         (*fail)++;
1099         continue;
1100       }
1101     (void) FormatLocaleFile(stdout,"... pass.\n");
1102   }
1103   (void) FormatLocaleFile(stdout,
1104     "  summary: %.20g subtests; %.20g passed; %.20g failed.\n",(double) test,
1105     (double) (test-(*fail)),(double) *fail);
1106   return(test);
1107 }
1108 
1109 /*
1110 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1111 %                                                                             %
1112 %                                                                             %
1113 %                                                                             %
1114 %   V a l i d a t e C o m p a r e C o m m a n d                               %
1115 %                                                                             %
1116 %                                                                             %
1117 %                                                                             %
1118 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1119 %
1120 %  ValidateCompareCommand() validates the ImageMagick compare command line
1121 %  program and returns the number of validation tests that passed and failed.
1122 %
1123 %  The format of the ValidateCompareCommand method is:
1124 %
1125 %      size_t ValidateCompareCommand(ImageInfo *image_info,
1126 %        const char *reference_filename,const char *output_filename,
1127 %        size_t *fail,ExceptionInfo *exception)
1128 %
1129 %  A description of each parameter follows:
1130 %
1131 %    o image_info: the image info.
1132 %
1133 %    o reference_filename: the reference image filename.
1134 %
1135 %    o output_filename: the output image filename.
1136 %
1137 %    o fail: return the number of validation tests that pass.
1138 %
1139 %    o exception: return any errors or warnings in this structure.
1140 %
1141 */
ValidateCompareCommand(ImageInfo * image_info,const char * reference_filename,const char * output_filename,size_t * fail,ExceptionInfo * exception)1142 static size_t ValidateCompareCommand(ImageInfo *image_info,
1143   const char *reference_filename,const char *output_filename,size_t *fail,
1144   ExceptionInfo *exception)
1145 {
1146   char
1147     **arguments,
1148     command[MagickPathExtent];
1149 
1150   int
1151     number_arguments;
1152 
1153   MagickBooleanType
1154     status;
1155 
1156   register ssize_t
1157     i,
1158     j;
1159 
1160   size_t
1161     test;
1162 
1163   test=0;
1164   (void) FormatLocaleFile(stdout,"validate compare command line program:\n");
1165   for (i=0; compare_options[i] != (char *) NULL; i++)
1166   {
1167     CatchException(exception);
1168     (void) FormatLocaleFile(stdout,"  test %.20g: %s",(double) (test++),
1169       compare_options[i]);
1170     (void) FormatLocaleString(command,MagickPathExtent,"%s %s %s %s",
1171       compare_options[i],reference_filename,reference_filename,output_filename);
1172     arguments=StringToArgv(command,&number_arguments);
1173     if (arguments == (char **) NULL)
1174       {
1175         (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
1176           GetMagickModule());
1177         (*fail)++;
1178         continue;
1179       }
1180     status=CompareImagesCommand(image_info,number_arguments,arguments,
1181       (char **) NULL,exception);
1182     for (j=0; j < (ssize_t) number_arguments; j++)
1183       arguments[j]=DestroyString(arguments[j]);
1184     arguments=(char **) RelinquishMagickMemory(arguments);
1185     if (status == MagickFalse)
1186       {
1187         (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
1188           GetMagickModule());
1189         (*fail)++;
1190         continue;
1191       }
1192     (void) FormatLocaleFile(stdout,"... pass.\n");
1193   }
1194   (void) FormatLocaleFile(stdout,
1195     "  summary: %.20g subtests; %.20g passed; %.20g failed.\n",(double) test,
1196     (double) (test-(*fail)),(double) *fail);
1197   return(test);
1198 }
1199 
1200 /*
1201 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1202 %                                                                             %
1203 %                                                                             %
1204 %                                                                             %
1205 %   V a l i d a t e C o m p o s i t e C o m m a n d                           %
1206 %                                                                             %
1207 %                                                                             %
1208 %                                                                             %
1209 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1210 %
1211 %  ValidateCompositeCommand() validates the ImageMagick composite command line
1212 %  program and returns the number of validation tests that passed and failed.
1213 %
1214 %  The format of the ValidateCompositeCommand method is:
1215 %
1216 %      size_t ValidateCompositeCommand(ImageInfo *image_info,
1217 %        const char *reference_filename,const char *output_filename,
1218 %        size_t *fail,ExceptionInfo *exception)
1219 %
1220 %  A description of each parameter follows:
1221 %
1222 %    o image_info: the image info.
1223 %
1224 %    o reference_filename: the reference image filename.
1225 %
1226 %    o output_filename: the output image filename.
1227 %
1228 %    o fail: return the number of validation tests that pass.
1229 %
1230 %    o exception: return any errors or warnings in this structure.
1231 %
1232 */
ValidateCompositeCommand(ImageInfo * image_info,const char * reference_filename,const char * output_filename,size_t * fail,ExceptionInfo * exception)1233 static size_t ValidateCompositeCommand(ImageInfo *image_info,
1234   const char *reference_filename,const char *output_filename,size_t *fail,
1235   ExceptionInfo *exception)
1236 {
1237   char
1238     **arguments,
1239     command[MagickPathExtent];
1240 
1241   int
1242     number_arguments;
1243 
1244   MagickBooleanType
1245     status;
1246 
1247   register ssize_t
1248     i,
1249     j;
1250 
1251   size_t
1252     test;
1253 
1254   test=0;
1255   (void) FormatLocaleFile(stdout,"validate composite command line program:\n");
1256   for (i=0; composite_options[i] != (char *) NULL; i++)
1257   {
1258     CatchException(exception);
1259     (void) FormatLocaleFile(stdout,"  test %.20g: %s",(double) (test++),
1260       composite_options[i]);
1261     (void) FormatLocaleString(command,MagickPathExtent,"%s %s %s %s",
1262       reference_filename,composite_options[i],reference_filename,
1263       output_filename);
1264     arguments=StringToArgv(command,&number_arguments);
1265     if (arguments == (char **) NULL)
1266       {
1267         (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
1268           GetMagickModule());
1269         (*fail)++;
1270         continue;
1271       }
1272     status=CompositeImageCommand(image_info,number_arguments,arguments,
1273       (char **) NULL,exception);
1274     for (j=0; j < (ssize_t) number_arguments; j++)
1275       arguments[j]=DestroyString(arguments[j]);
1276     arguments=(char **) RelinquishMagickMemory(arguments);
1277     if (status == MagickFalse)
1278       {
1279         (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
1280           GetMagickModule());
1281         (*fail)++;
1282         continue;
1283       }
1284     (void) FormatLocaleFile(stdout,"... pass.\n");
1285   }
1286   (void) FormatLocaleFile(stdout,
1287     "  summary: %.20g subtests; %.20g passed; %.20g failed.\n",(double) test,
1288     (double) (test-(*fail)),(double) *fail);
1289   return(test);
1290 }
1291 
1292 /*
1293 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1294 %                                                                             %
1295 %                                                                             %
1296 %                                                                             %
1297 %   V a l i d a t e C o n v e r t C o m m a n d                               %
1298 %                                                                             %
1299 %                                                                             %
1300 %                                                                             %
1301 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1302 %
1303 %  ValidateConvertCommand() validates the ImageMagick convert command line
1304 %  program and returns the number of validation tests that passed and failed.
1305 %
1306 %  The format of the ValidateConvertCommand method is:
1307 %
1308 %      size_t ValidateConvertCommand(ImageInfo *image_info,
1309 %        const char *reference_filename,const char *output_filename,
1310 %        size_t *fail,ExceptionInfo *exception)
1311 %
1312 %  A description of each parameter follows:
1313 %
1314 %    o image_info: the image info.
1315 %
1316 %    o reference_filename: the reference image filename.
1317 %
1318 %    o output_filename: the output image filename.
1319 %
1320 %    o fail: return the number of validation tests that pass.
1321 %
1322 %    o exception: return any errors or warnings in this structure.
1323 %
1324 */
ValidateConvertCommand(ImageInfo * image_info,const char * reference_filename,const char * output_filename,size_t * fail,ExceptionInfo * exception)1325 static size_t ValidateConvertCommand(ImageInfo *image_info,
1326   const char *reference_filename,const char *output_filename,size_t *fail,
1327   ExceptionInfo *exception)
1328 {
1329   char
1330     **arguments,
1331     command[MagickPathExtent];
1332 
1333   int
1334     number_arguments;
1335 
1336   MagickBooleanType
1337     status;
1338 
1339   register ssize_t
1340     i,
1341     j;
1342 
1343   size_t
1344     test;
1345 
1346   test=0;
1347   (void) FormatLocaleFile(stdout,"validate convert command line program:\n");
1348   for (i=0; convert_options[i] != (char *) NULL; i++)
1349   {
1350     CatchException(exception);
1351     (void) FormatLocaleFile(stdout,"  test %.20g: %s",(double) test++,
1352       convert_options[i]);
1353     (void) FormatLocaleString(command,MagickPathExtent,"%s %s %s %s",
1354       reference_filename,convert_options[i],reference_filename,output_filename);
1355     arguments=StringToArgv(command,&number_arguments);
1356     if (arguments == (char **) NULL)
1357       {
1358         (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
1359           GetMagickModule());
1360         (*fail)++;
1361         continue;
1362       }
1363     status=ConvertImageCommand(image_info,number_arguments,arguments,
1364       (char **) NULL,exception);
1365     for (j=0; j < (ssize_t) number_arguments; j++)
1366       arguments[j]=DestroyString(arguments[j]);
1367     arguments=(char **) RelinquishMagickMemory(arguments);
1368     if (status == MagickFalse)
1369       {
1370         (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
1371           GetMagickModule());
1372         (*fail)++;
1373         continue;
1374       }
1375     (void) FormatLocaleFile(stdout,"... pass.\n");
1376   }
1377   (void) FormatLocaleFile(stdout,
1378     "  summary: %.20g subtests; %.20g passed; %.20g failed.\n",(double) test,
1379     (double) (test-(*fail)),(double) *fail);
1380   return(test);
1381 }
1382 
1383 /*
1384 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1385 %                                                                             %
1386 %                                                                             %
1387 %                                                                             %
1388 %   V a l i d a t e I d e n t i f y C o m m a n d                             %
1389 %                                                                             %
1390 %                                                                             %
1391 %                                                                             %
1392 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1393 %
1394 %  ValidateIdentifyCommand() validates the ImageMagick identify command line
1395 %  program and returns the number of validation tests that passed and failed.
1396 %
1397 %  The format of the ValidateIdentifyCommand method is:
1398 %
1399 %      size_t ValidateIdentifyCommand(ImageInfo *image_info,
1400 %        const char *reference_filename,const char *output_filename,
1401 %        size_t *fail,ExceptionInfo *exception)
1402 %
1403 %  A description of each parameter follows:
1404 %
1405 %    o image_info: the image info.
1406 %
1407 %    o reference_filename: the reference image filename.
1408 %
1409 %    o output_filename: the output image filename.
1410 %
1411 %    o fail: return the number of validation tests that pass.
1412 %
1413 %    o exception: return any errors or warnings in this structure.
1414 %
1415 */
ValidateIdentifyCommand(ImageInfo * image_info,const char * reference_filename,const char * output_filename,size_t * fail,ExceptionInfo * exception)1416 static size_t ValidateIdentifyCommand(ImageInfo *image_info,
1417   const char *reference_filename,const char *output_filename,size_t *fail,
1418   ExceptionInfo *exception)
1419 {
1420   char
1421     **arguments,
1422     command[MagickPathExtent];
1423 
1424   int
1425     number_arguments;
1426 
1427   MagickBooleanType
1428     status;
1429 
1430   register ssize_t
1431     i,
1432     j;
1433 
1434   size_t
1435     test;
1436 
1437   (void) output_filename;
1438   test=0;
1439   (void) FormatLocaleFile(stdout,"validate identify command line program:\n");
1440   for (i=0; identify_options[i] != (char *) NULL; i++)
1441   {
1442     CatchException(exception);
1443     (void) FormatLocaleFile(stdout,"  test %.20g: %s",(double) test++,
1444       identify_options[i]);
1445     (void) FormatLocaleString(command,MagickPathExtent,"%s %s",
1446       identify_options[i],reference_filename);
1447     arguments=StringToArgv(command,&number_arguments);
1448     if (arguments == (char **) NULL)
1449       {
1450         (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
1451           GetMagickModule());
1452         (*fail)++;
1453         continue;
1454       }
1455     status=IdentifyImageCommand(image_info,number_arguments,arguments,
1456       (char **) NULL,exception);
1457     for (j=0; j < (ssize_t) number_arguments; j++)
1458       arguments[j]=DestroyString(arguments[j]);
1459     arguments=(char **) RelinquishMagickMemory(arguments);
1460     if (status == MagickFalse)
1461       {
1462         (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
1463           GetMagickModule());
1464         (*fail)++;
1465         continue;
1466       }
1467     (void) FormatLocaleFile(stdout,"... pass.\n");
1468   }
1469   (void) FormatLocaleFile(stdout,
1470     "  summary: %.20g subtests; %.20g passed; %.20g failed.\n",(double) test,
1471     (double) (test-(*fail)),(double) *fail);
1472   return(test);
1473 }
1474 
1475 /*
1476 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1477 %                                                                             %
1478 %                                                                             %
1479 %                                                                             %
1480 %   V a l i d a t e I m a g e F o r m a t s I n M e m o r y                   %
1481 %                                                                             %
1482 %                                                                             %
1483 %                                                                             %
1484 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1485 %
1486 %  ValidateImageFormatsInMemory() validates the ImageMagick image formats in
1487 %  memory and returns the number of validation tests that passed and failed.
1488 %
1489 %  The format of the ValidateImageFormatsInMemory method is:
1490 %
1491 %      size_t ValidateImageFormatsInMemory(ImageInfo *image_info,
1492 %        const char *reference_filename,const char *output_filename,
1493 %        size_t *fail,ExceptionInfo *exception)
1494 %
1495 %  A description of each parameter follows:
1496 %
1497 %    o image_info: the image info.
1498 %
1499 %    o reference_filename: the reference image filename.
1500 %
1501 %    o output_filename: the output image filename.
1502 %
1503 %    o fail: return the number of validation tests that pass.
1504 %
1505 %    o exception: return any errors or warnings in this structure.
1506 %
1507 */
1508 
1509 /*
1510   Enable this to count remaining $TMPDIR/magick-* files.  Note that the count
1511   includes any files left over from other runs.
1512 */
1513 #undef MagickCountTempFiles
1514 
ValidateImageFormatsInMemory(ImageInfo * image_info,const char * reference_filename,const char * output_filename,size_t * fail,ExceptionInfo * exception)1515 static size_t ValidateImageFormatsInMemory(ImageInfo *image_info,
1516   const char *reference_filename,const char *output_filename,size_t *fail,
1517   ExceptionInfo *exception)
1518 {
1519   char
1520 #ifdef MagickCountTempFiles
1521     path[MagickPathExtent],
1522     SystemCommand[MagickPathExtent],
1523 #endif
1524     size[MagickPathExtent];
1525 
1526   const MagickInfo
1527     *magick_info;
1528 
1529   double
1530     distortion,
1531     fuzz;
1532 
1533   Image
1534     *difference_image,
1535     *ping_image,
1536     *reconstruct_image,
1537     *reference_image;
1538 
1539   MagickBooleanType
1540     status;
1541 
1542   register ssize_t
1543     i,
1544     j;
1545 
1546   size_t
1547     length,
1548     test;
1549 
1550   unsigned char
1551     *blob;
1552 
1553   test=0;
1554   (void) FormatLocaleFile(stdout,"validate image formats in memory:\n");
1555 
1556 #ifdef MagickCountTempFiles
1557   (void)GetPathTemplate(path);
1558   /* Remove file template except for the leading "/path/to/magick-" */
1559   path[strlen(path)-17]='\0';
1560   (void) FormatLocaleFile(stdout," tmp path is '%s*'\n",path);
1561 #endif
1562 
1563   for (i=0; reference_formats[i].magick != (char *) NULL; i++)
1564   {
1565     magick_info=GetMagickInfo(reference_formats[i].magick,exception);
1566     if ((magick_info == (const MagickInfo *) NULL) ||
1567         (magick_info->decoder == (DecodeImageHandler *) NULL) ||
1568         (magick_info->encoder == (EncodeImageHandler *) NULL))
1569       continue;
1570     for (j=0; reference_types[j].type != UndefinedType; j++)
1571     {
1572       /*
1573         Generate reference image.
1574       */
1575       CatchException(exception);
1576       (void) FormatLocaleFile(stdout,"  test %.20g: %s/%s/%s/%.20g-bits",
1577         (double) (test++),reference_formats[i].magick,CommandOptionToMnemonic(
1578         MagickCompressOptions,reference_formats[i].compression),
1579         CommandOptionToMnemonic(MagickTypeOptions,reference_types[j].type),
1580         (double) reference_types[j].depth);
1581       (void) CopyMagickString(image_info->filename,reference_filename,
1582         MagickPathExtent);
1583       reference_image=ReadImage(image_info,exception);
1584       if (reference_image == (Image *) NULL ||
1585           exception->severity >= ErrorException)
1586         {
1587           (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
1588             GetMagickModule());
1589           CatchException(exception);
1590           (*fail)++;
1591           continue;
1592         }
1593       /*
1594         Write reference image.
1595       */
1596       (void) FormatLocaleString(size,MagickPathExtent,"%.20gx%.20g",
1597         (double) reference_image->columns,(double) reference_image->rows);
1598       (void) CloneString(&image_info->size,size);
1599       image_info->depth=reference_types[j].depth;
1600       (void) FormatLocaleString(reference_image->filename,MagickPathExtent,"%s:%s",
1601         reference_formats[i].magick,output_filename);
1602       status=SetImageType(reference_image,reference_types[j].type,exception);
1603       if (status == MagickFalse || exception->severity >= ErrorException)
1604         {
1605           (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
1606             GetMagickModule());
1607           CatchException(exception);
1608           (*fail)++;
1609           reference_image=DestroyImage(reference_image);
1610           continue;
1611         }
1612       status=SetImageDepth(reference_image,reference_types[j].depth,exception);
1613       if (status == MagickFalse || exception->severity >= ErrorException)
1614         {
1615           (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
1616             GetMagickModule());
1617           CatchException(exception);
1618           (*fail)++;
1619           reference_image=DestroyImage(reference_image);
1620           continue;
1621         }
1622       reference_image->compression=reference_formats[i].compression;
1623       status=WriteImage(image_info,reference_image,exception);
1624       reference_image=DestroyImage(reference_image);
1625       if (status == MagickFalse || exception->severity >= ErrorException)
1626         {
1627           (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
1628             GetMagickModule());
1629           CatchException(exception);
1630           (*fail)++;
1631           continue;
1632         }
1633       /*
1634         Ping reference image.
1635       */
1636       (void) FormatLocaleString(image_info->filename,MagickPathExtent,"%s:%s",
1637         reference_formats[i].magick,output_filename);
1638       ping_image=PingImage(image_info,exception);
1639       if (ping_image == (Image *) NULL ||
1640           exception->severity >= ErrorException)
1641         {
1642           (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
1643             GetMagickModule());
1644           CatchException(exception);
1645           (*fail)++;
1646           continue;
1647         }
1648       ping_image=DestroyImage(ping_image);
1649       /*
1650         Read reference image.
1651       */
1652       reference_image=ReadImage(image_info,exception);
1653       if (reference_image == (Image *) NULL ||
1654           exception->severity >= ErrorException)
1655         {
1656           (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
1657             GetMagickModule());
1658           CatchException(exception);
1659           (*fail)++;
1660           continue;
1661         }
1662       /*
1663         Write reference image.
1664       */
1665       (void) FormatLocaleString(reference_image->filename,MagickPathExtent,"%s:%s",
1666         reference_formats[i].magick,output_filename);
1667       (void) CopyMagickString(image_info->magick,reference_formats[i].magick,
1668         MagickPathExtent);
1669       reference_image->depth=reference_types[j].depth;
1670       reference_image->compression=reference_formats[i].compression;
1671       length=8192;
1672       blob=ImageToBlob(image_info,reference_image,&length,exception);
1673       if (blob == (unsigned char *) NULL ||
1674           exception->severity >= ErrorException)
1675         {
1676           (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
1677             GetMagickModule());
1678           CatchException(exception);
1679           (*fail)++;
1680           reference_image=DestroyImage(reference_image);
1681           continue;
1682         }
1683       /*
1684         Ping reference blob.
1685       */
1686       ping_image=PingBlob(image_info,blob,length,exception);
1687       if (ping_image == (Image *) NULL ||
1688           exception->severity >= ErrorException)
1689         {
1690           (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
1691             GetMagickModule());
1692           CatchException(exception);
1693           (*fail)++;
1694           blob=(unsigned char *) RelinquishMagickMemory(blob);
1695           continue;
1696         }
1697       ping_image=DestroyImage(ping_image);
1698       /*
1699         Read reconstruct image.
1700       */
1701       (void) FormatLocaleString(image_info->filename,MagickPathExtent,"%s:%s",
1702         reference_formats[i].magick,output_filename);
1703       reconstruct_image=BlobToImage(image_info,blob,length,exception);
1704       blob=(unsigned char *) RelinquishMagickMemory(blob);
1705       if (reconstruct_image == (Image *) NULL ||
1706           exception->severity >= ErrorException)
1707         {
1708           (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
1709             GetMagickModule());
1710           CatchException(exception);
1711           (*fail)++;
1712           reference_image=DestroyImage(reference_image);
1713           continue;
1714         }
1715       /*
1716         Compare reference to reconstruct image.
1717       */
1718       fuzz=0.003;  /* grayscale */
1719       if (reference_formats[i].fuzz != 0.0)
1720         fuzz=reference_formats[i].fuzz;
1721       difference_image=CompareImages(reference_image,reconstruct_image,
1722         RootMeanSquaredErrorMetric,&distortion,exception);
1723       reconstruct_image=DestroyImage(reconstruct_image);
1724       reference_image=DestroyImage(reference_image);
1725       if (difference_image == (Image *) NULL ||
1726           exception->severity >= ErrorException)
1727         {
1728           (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
1729             GetMagickModule());
1730           CatchException(exception);
1731           (*fail)++;
1732           continue;
1733         }
1734       difference_image=DestroyImage(difference_image);
1735       if ((QuantumScale*distortion) > fuzz)
1736         {
1737           (void) FormatLocaleFile(stdout,"... fail (with distortion %g).\n",
1738             QuantumScale*distortion);
1739           (*fail)++;
1740           continue;
1741         }
1742 #ifdef MagickCountTempFiles
1743       (void) FormatLocaleFile(stdout,"... pass, ");
1744       (void) fflush(stdout);
1745       SystemCommand[0]='\0';
1746       (void) strncat(SystemCommand,"echo `ls ",9);
1747       (void) strncat(SystemCommand,path,MagickPathExtent-31);
1748       (void) strncat(SystemCommand,"* | wc -w` tmp files.",20);
1749       (void) system(SystemCommand);
1750       (void) fflush(stdout);
1751 #else
1752       (void) FormatLocaleFile(stdout,"... pass\n");
1753 #endif
1754     }
1755   }
1756   (void) FormatLocaleFile(stdout,
1757     "  summary: %.20g subtests; %.20g passed; %.20g failed.\n",(double) test,
1758     (double) (test-(*fail)),(double) *fail);
1759   return(test);
1760 }
1761 
1762 /*
1763 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1764 %                                                                             %
1765 %                                                                             %
1766 %                                                                             %
1767 %   V a l i d a t e I m a g e F o r m a t s O n D i s k                       %
1768 %                                                                             %
1769 %                                                                             %
1770 %                                                                             %
1771 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1772 %
1773 %  ValidateImageFormatsOnDisk() validates the ImageMagick image formats on disk
1774 %  and returns the number of validation tests that passed and failed.
1775 %
1776 %  The format of the ValidateImageFormatsOnDisk method is:
1777 %
1778 %      size_t ValidateImageFormatsOnDisk(ImageInfo *image_info,
1779 %        const char *reference_filename,const char *output_filename,
1780 %        size_t *fail,ExceptionInfo *exception)
1781 %
1782 %  A description of each parameter follows:
1783 %
1784 %    o image_info: the image info.
1785 %
1786 %    o reference_filename: the reference image filename.
1787 %
1788 %    o output_filename: the output image filename.
1789 %
1790 %    o fail: return the number of validation tests that pass.
1791 %
1792 %    o exception: return any errors or warnings in this structure.
1793 %
1794 */
ValidateImageFormatsOnDisk(ImageInfo * image_info,const char * reference_filename,const char * output_filename,size_t * fail,ExceptionInfo * exception)1795 static size_t ValidateImageFormatsOnDisk(ImageInfo *image_info,
1796   const char *reference_filename,const char *output_filename,size_t *fail,
1797   ExceptionInfo *exception)
1798 {
1799   char
1800     size[MagickPathExtent];
1801 
1802   const MagickInfo
1803     *magick_info;
1804 
1805   double
1806     distortion,
1807     fuzz;
1808 
1809   Image
1810     *difference_image,
1811     *reference_image,
1812     *reconstruct_image;
1813 
1814   MagickBooleanType
1815     status;
1816 
1817   register ssize_t
1818     i,
1819     j;
1820 
1821   size_t
1822     test;
1823 
1824   test=0;
1825   (void) FormatLocaleFile(stdout,"validate image formats on disk:\n");
1826   for (i=0; reference_formats[i].magick != (char *) NULL; i++)
1827   {
1828     magick_info=GetMagickInfo(reference_formats[i].magick,exception);
1829     if ((magick_info == (const MagickInfo *) NULL) ||
1830         (magick_info->decoder == (DecodeImageHandler *) NULL) ||
1831         (magick_info->encoder == (EncodeImageHandler *) NULL))
1832       continue;
1833     for (j=0; reference_types[j].type != UndefinedType; j++)
1834     {
1835       /*
1836         Generate reference image.
1837       */
1838       CatchException(exception);
1839       (void) FormatLocaleFile(stdout,"  test %.20g: %s/%s/%s/%.20g-bits",
1840         (double) (test++),reference_formats[i].magick,CommandOptionToMnemonic(
1841         MagickCompressOptions,reference_formats[i].compression),
1842         CommandOptionToMnemonic(MagickTypeOptions,reference_types[j].type),
1843         (double) reference_types[j].depth);
1844       (void) CopyMagickString(image_info->filename,reference_filename,
1845         MagickPathExtent);
1846       reference_image=ReadImage(image_info,exception);
1847       if (reference_image == (Image *) NULL ||
1848           exception->severity >= ErrorException)
1849         {
1850           (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
1851             GetMagickModule());
1852           CatchException(exception);
1853           (*fail)++;
1854           continue;
1855         }
1856       /*
1857         Write reference image.
1858       */
1859       (void) FormatLocaleString(size,MagickPathExtent,"%.20gx%.20g",
1860         (double) reference_image->columns,(double) reference_image->rows);
1861       (void) CloneString(&image_info->size,size);
1862       image_info->depth=reference_types[j].depth;
1863       (void) FormatLocaleString(reference_image->filename,MagickPathExtent,"%s:%s",
1864         reference_formats[i].magick,output_filename);
1865       status=SetImageType(reference_image,reference_types[j].type,exception);
1866       if (status == MagickFalse || exception->severity >= ErrorException)
1867         {
1868           (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
1869             GetMagickModule());
1870           CatchException(exception);
1871           (*fail)++;
1872           reference_image=DestroyImage(reference_image);
1873           continue;
1874         }
1875       status=SetImageDepth(reference_image,reference_types[j].depth,exception);
1876       if (status == MagickFalse || exception->severity >= ErrorException)
1877         {
1878           (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
1879             GetMagickModule());
1880           CatchException(exception);
1881           (*fail)++;
1882           reference_image=DestroyImage(reference_image);
1883           continue;
1884         }
1885       reference_image->compression=reference_formats[i].compression;
1886       status=WriteImage(image_info,reference_image,exception);
1887       reference_image=DestroyImage(reference_image);
1888       if (status == MagickFalse || exception->severity >= ErrorException)
1889         {
1890           (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
1891             GetMagickModule());
1892           CatchException(exception);
1893           (*fail)++;
1894           continue;
1895         }
1896       /*
1897         Read reference image.
1898       */
1899       (void) FormatLocaleString(image_info->filename,MagickPathExtent,"%s:%s",
1900         reference_formats[i].magick,output_filename);
1901       reference_image=ReadImage(image_info,exception);
1902       if (reference_image == (Image *) NULL ||
1903           exception->severity >= ErrorException)
1904         {
1905           (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
1906             GetMagickModule());
1907           CatchException(exception);
1908           (*fail)++;
1909           continue;
1910         }
1911       /*
1912         Write reference image.
1913       */
1914       (void) FormatLocaleString(reference_image->filename,MagickPathExtent,"%s:%s",
1915         reference_formats[i].magick,output_filename);
1916       reference_image->depth=reference_types[j].depth;
1917       reference_image->compression=reference_formats[i].compression;
1918       status=WriteImage(image_info,reference_image,exception);
1919       if (status == MagickFalse ||exception->severity >= ErrorException)
1920         {
1921           (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
1922             GetMagickModule());
1923           CatchException(exception);
1924           (*fail)++;
1925           reference_image=DestroyImage(reference_image);
1926           continue;
1927         }
1928       /*
1929         Read reconstruct image.
1930       */
1931       (void) FormatLocaleString(image_info->filename,MagickPathExtent,"%s:%s",
1932         reference_formats[i].magick,output_filename);
1933       reconstruct_image=ReadImage(image_info,exception);
1934       if (reconstruct_image == (Image *) NULL ||
1935           exception->severity >= ErrorException)
1936         {
1937           (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
1938             GetMagickModule());
1939           CatchException(exception);
1940           (*fail)++;
1941           reference_image=DestroyImage(reference_image);
1942           continue;
1943         }
1944       /*
1945         Compare reference to reconstruct image.
1946       */
1947       fuzz=0.003;  /* grayscale */
1948       if (reference_formats[i].fuzz != 0.0)
1949         fuzz=reference_formats[i].fuzz;
1950       difference_image=CompareImages(reference_image,reconstruct_image,
1951         RootMeanSquaredErrorMetric,&distortion,exception);
1952       reconstruct_image=DestroyImage(reconstruct_image);
1953       reference_image=DestroyImage(reference_image);
1954       if (difference_image == (Image *) NULL ||
1955           exception->severity >= ErrorException)
1956         {
1957           (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
1958             GetMagickModule());
1959           CatchException(exception);
1960           (*fail)++;
1961           continue;
1962         }
1963       difference_image=DestroyImage(difference_image);
1964       if ((QuantumScale*distortion) > fuzz)
1965         {
1966           (void) FormatLocaleFile(stdout,"... fail (with distortion %g).\n",
1967             QuantumScale*distortion);
1968           (*fail)++;
1969           continue;
1970         }
1971       (void) FormatLocaleFile(stdout,"... pass.\n");
1972     }
1973   }
1974   (void) FormatLocaleFile(stdout,
1975     "  summary: %.20g subtests; %.20g passed; %.20g failed.\n",(double) test,
1976     (double) (test-(*fail)),(double) *fail);
1977   return(test);
1978 }
1979 
1980 /*
1981 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1982 %                                                                             %
1983 %                                                                             %
1984 %                                                                             %
1985 %   V a l i d a t e I m p o r t E x p o r t P i x e l s                       %
1986 %                                                                             %
1987 %                                                                             %
1988 %                                                                             %
1989 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1990 %
1991 %  ValidateImportExportPixels() validates the pixel import and export methods.
1992 %  It returns the number of validation tests that passed and failed.
1993 %
1994 %  The format of the ValidateImportExportPixels method is:
1995 %
1996 %      size_t ValidateImportExportPixels(ImageInfo *image_info,
1997 %        const char *reference_filename,const char *output_filename,
1998 %        size_t *fail,ExceptionInfo *exception)
1999 %
2000 %  A description of each parameter follows:
2001 %
2002 %    o image_info: the image info.
2003 %
2004 %    o reference_filename: the reference image filename.
2005 %
2006 %    o output_filename: the output image filename.
2007 %
2008 %    o fail: return the number of validation tests that pass.
2009 %
2010 %    o exception: return any errors or warnings in this structure.
2011 %
2012 */
ValidateImportExportPixels(ImageInfo * image_info,const char * reference_filename,const char * output_filename,size_t * fail,ExceptionInfo * exception)2013 static size_t ValidateImportExportPixels(ImageInfo *image_info,
2014   const char *reference_filename,const char *output_filename,size_t *fail,
2015   ExceptionInfo *exception)
2016 {
2017   double
2018     distortion;
2019 
2020   Image
2021     *difference_image,
2022     *reference_image,
2023     *reconstruct_image;
2024 
2025   MagickBooleanType
2026     status;
2027 
2028   register ssize_t
2029     i,
2030     j;
2031 
2032   size_t
2033     length;
2034 
2035   unsigned char
2036     *pixels;
2037 
2038   size_t
2039     test;
2040 
2041   (void) output_filename;
2042   test=0;
2043   (void) FormatLocaleFile(stdout,
2044     "validate the import and export of image pixels:\n");
2045   for (i=0; reference_map[i] != (char *) NULL; i++)
2046   {
2047     for (j=0; reference_storage[j].type != UndefinedPixel; j++)
2048     {
2049       /*
2050         Generate reference image.
2051       */
2052       CatchException(exception);
2053       (void) FormatLocaleFile(stdout,"  test %.20g: %s/%s",(double) (test++),
2054         reference_map[i],CommandOptionToMnemonic(MagickStorageOptions,
2055         reference_storage[j].type));
2056       (void) CopyMagickString(image_info->filename,reference_filename,
2057         MagickPathExtent);
2058       reference_image=ReadImage(image_info,exception);
2059       if (reference_image == (Image *) NULL ||
2060           exception->severity >= ErrorException)
2061         {
2062           (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
2063             GetMagickModule());
2064           CatchException(exception);
2065           (*fail)++;
2066           continue;
2067         }
2068       if (LocaleNCompare(reference_map[i],"cmy",3) == 0)
2069         (void) SetImageColorspace(reference_image,CMYKColorspace,exception);
2070       length=strlen(reference_map[i])*reference_image->columns*
2071         reference_image->rows*reference_storage[j].quantum;
2072       pixels=(unsigned char *) AcquireQuantumMemory(length,sizeof(*pixels));
2073       if (pixels == (unsigned char *) NULL ||
2074           exception->severity >= ErrorException)
2075         {
2076           (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
2077             GetMagickModule());
2078           CatchException(exception);
2079           (*fail)++;
2080           reference_image=DestroyImage(reference_image);
2081           continue;
2082         }
2083       (void) ResetMagickMemory(pixels,0,length*sizeof(*pixels));
2084       status=ExportImagePixels(reference_image,0,0,reference_image->columns,
2085         reference_image->rows,reference_map[i],reference_storage[j].type,pixels,
2086         exception);
2087       if (status == MagickFalse || exception->severity >= ErrorException)
2088         {
2089           (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
2090             GetMagickModule());
2091           CatchException(exception);
2092           (*fail)++;
2093           pixels=(unsigned char *) RelinquishMagickMemory(pixels);
2094           reference_image=DestroyImage(reference_image);
2095           continue;
2096         }
2097       (void) SetImageBackgroundColor(reference_image,exception);
2098       status=ImportImagePixels(reference_image,0,0,reference_image->columns,
2099         reference_image->rows,reference_map[i],reference_storage[j].type,
2100         pixels,exception);
2101       if (status == MagickFalse || exception->severity >= ErrorException)
2102         {
2103           (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
2104             GetMagickModule());
2105           CatchException(exception);
2106           (*fail)++;
2107            pixels=(unsigned char *) RelinquishMagickMemory(pixels);
2108           reference_image=DestroyImage(reference_image);
2109           continue;
2110         }
2111       /*
2112         Read reconstruct image.
2113       */
2114       reconstruct_image=AcquireImage(image_info,exception);
2115       (void) SetImageExtent(reconstruct_image,reference_image->columns,
2116         reference_image->rows,exception);
2117       (void) SetImageColorspace(reconstruct_image,reference_image->colorspace,
2118         exception);
2119       (void) SetImageBackgroundColor(reconstruct_image,exception);
2120       status=ImportImagePixels(reconstruct_image,0,0,reconstruct_image->columns,
2121         reconstruct_image->rows,reference_map[i],reference_storage[j].type,
2122         pixels,exception);
2123       pixels=(unsigned char *) RelinquishMagickMemory(pixels);
2124       if (status == MagickFalse || exception->severity >= ErrorException)
2125         {
2126           (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
2127             GetMagickModule());
2128           CatchException(exception);
2129           (*fail)++;
2130           reference_image=DestroyImage(reference_image);
2131           continue;
2132         }
2133       /*
2134         Compare reference to reconstruct image.
2135       */
2136       difference_image=CompareImages(reference_image,reconstruct_image,
2137         RootMeanSquaredErrorMetric,&distortion,exception);
2138       reconstruct_image=DestroyImage(reconstruct_image);
2139       reference_image=DestroyImage(reference_image);
2140       if (difference_image == (Image *) NULL ||
2141           exception->severity >= ErrorException)
2142         {
2143           (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
2144             GetMagickModule());
2145           CatchException(exception);
2146           (*fail)++;
2147           continue;
2148         }
2149       difference_image=DestroyImage(difference_image);
2150       if ((QuantumScale*distortion) > 0.0)
2151         {
2152           (void) FormatLocaleFile(stdout,"... fail (with distortion %g).\n",
2153             QuantumScale*distortion);
2154           (*fail)++;
2155           continue;
2156         }
2157       (void) FormatLocaleFile(stdout,"... pass.\n");
2158     }
2159   }
2160   (void) FormatLocaleFile(stdout,
2161     "  summary: %.20g subtests; %.20g passed; %.20g failed.\n",(double) test,
2162     (double) (test-(*fail)),(double) *fail);
2163   return(test);
2164 }
2165 
2166 /*
2167 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2168 %                                                                             %
2169 %                                                                             %
2170 %                                                                             %
2171 %   V a l i d a t e M o n t a g e C o m m a n d                               %
2172 %                                                                             %
2173 %                                                                             %
2174 %                                                                             %
2175 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2176 %
2177 %  ValidateMontageCommand() validates the ImageMagick montage command line
2178 %  program and returns the number of validation tests that passed and failed.
2179 %
2180 %  The format of the ValidateMontageCommand method is:
2181 %
2182 %      size_t ValidateMontageCommand(ImageInfo *image_info,
2183 %        const char *reference_filename,const char *output_filename,
2184 %        size_t *fail,ExceptionInfo *exception)
2185 %
2186 %  A description of each parameter follows:
2187 %
2188 %    o image_info: the image info.
2189 %
2190 %    o reference_filename: the reference image filename.
2191 %
2192 %    o output_filename: the output image filename.
2193 %
2194 %    o fail: return the number of validation tests that pass.
2195 %
2196 %    o exception: return any errors or warnings in this structure.
2197 %
2198 */
ValidateMontageCommand(ImageInfo * image_info,const char * reference_filename,const char * output_filename,size_t * fail,ExceptionInfo * exception)2199 static size_t ValidateMontageCommand(ImageInfo *image_info,
2200   const char *reference_filename,const char *output_filename,size_t *fail,
2201   ExceptionInfo *exception)
2202 {
2203   char
2204     **arguments,
2205     command[MagickPathExtent];
2206 
2207   int
2208     number_arguments;
2209 
2210   MagickBooleanType
2211     status;
2212 
2213   register ssize_t
2214     i,
2215     j;
2216 
2217   size_t
2218     test;
2219 
2220   test=0;
2221   (void) FormatLocaleFile(stdout,"validate montage command line program:\n");
2222   for (i=0; montage_options[i] != (char *) NULL; i++)
2223   {
2224     CatchException(exception);
2225     (void) FormatLocaleFile(stdout,"  test %.20g: %s",(double) (test++),
2226       montage_options[i]);
2227     (void) FormatLocaleString(command,MagickPathExtent,"%s %s %s %s",
2228       reference_filename,montage_options[i],reference_filename,
2229       output_filename);
2230     arguments=StringToArgv(command,&number_arguments);
2231     if (arguments == (char **) NULL)
2232       {
2233         (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
2234             GetMagickModule());
2235         (*fail)++;
2236         continue;
2237       }
2238     status=MontageImageCommand(image_info,number_arguments,arguments,
2239       (char **) NULL,exception);
2240     for (j=0; j < (ssize_t) number_arguments; j++)
2241       arguments[j]=DestroyString(arguments[j]);
2242     arguments=(char **) RelinquishMagickMemory(arguments);
2243     if (status == MagickFalse)
2244       {
2245         (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
2246             GetMagickModule());
2247         (*fail)++;
2248         continue;
2249       }
2250     (void) FormatLocaleFile(stdout,"... pass.\n");
2251   }
2252   (void) FormatLocaleFile(stdout,
2253     "  summary: %.20g subtests; %.20g passed; %.20g failed.\n",(double) test,
2254     (double) (test-(*fail)),(double) *fail);
2255   return(test);
2256 }
2257 
2258 /*
2259 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2260 %                                                                             %
2261 %                                                                             %
2262 %                                                                             %
2263 %   V a l i d a t e S t r e a m C o m m a n d                                 %
2264 %                                                                             %
2265 %                                                                             %
2266 %                                                                             %
2267 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2268 %
2269 %  ValidateStreamCommand() validates the ImageMagick stream command line
2270 %  program and returns the number of validation tests that passed and failed.
2271 %
2272 %  The format of the ValidateStreamCommand method is:
2273 %
2274 %      size_t ValidateStreamCommand(ImageInfo *image_info,
2275 %        const char *reference_filename,const char *output_filename,
2276 %        size_t *fail,ExceptionInfo *exception)
2277 %
2278 %  A description of each parameter follows:
2279 %
2280 %    o image_info: the image info.
2281 %
2282 %    o reference_filename: the reference image filename.
2283 %
2284 %    o output_filename: the output image filename.
2285 %
2286 %    o fail: return the number of validation tests that pass.
2287 %
2288 %    o exception: return any errors or warnings in this structure.
2289 %
2290 */
ValidateStreamCommand(ImageInfo * image_info,const char * reference_filename,const char * output_filename,size_t * fail,ExceptionInfo * exception)2291 static size_t ValidateStreamCommand(ImageInfo *image_info,
2292   const char *reference_filename,const char *output_filename,size_t *fail,
2293   ExceptionInfo *exception)
2294 {
2295   char
2296     **arguments,
2297     command[MagickPathExtent];
2298 
2299   int
2300     number_arguments;
2301 
2302   MagickBooleanType
2303     status;
2304 
2305   register ssize_t
2306     i,
2307     j;
2308 
2309   size_t
2310     test;
2311 
2312   test=0;
2313   (void) FormatLocaleFile(stdout,"validate stream command line program:\n");
2314   for (i=0; stream_options[i] != (char *) NULL; i++)
2315   {
2316     CatchException(exception);
2317     (void) FormatLocaleFile(stdout,"  test %.20g: %s",(double) (test++),
2318       stream_options[i]);
2319     (void) FormatLocaleString(command,MagickPathExtent,"%s %s %s",
2320       stream_options[i],reference_filename,output_filename);
2321     arguments=StringToArgv(command,&number_arguments);
2322     if (arguments == (char **) NULL)
2323       {
2324         (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
2325             GetMagickModule());
2326         (*fail)++;
2327         continue;
2328       }
2329     status=StreamImageCommand(image_info,number_arguments,arguments,
2330       (char **) NULL,exception);
2331     for (j=0; j < (ssize_t) number_arguments; j++)
2332       arguments[j]=DestroyString(arguments[j]);
2333     arguments=(char **) RelinquishMagickMemory(arguments);
2334     if (status == MagickFalse)
2335       {
2336         (void) FormatLocaleFile(stdout,"... fail @ %s/%s/%lu.\n",
2337             GetMagickModule());
2338         (*fail)++;
2339         continue;
2340       }
2341     (void) FormatLocaleFile(stdout,"... pass.\n");
2342   }
2343   (void) FormatLocaleFile(stdout,
2344     "  summary: %.20g subtests; %.20g passed; %.20g failed.\n",(double) test,
2345     (double) (test-(*fail)),(double) *fail);
2346   return(test);
2347 }
2348 
2349 /*
2350 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2351 %                                                                             %
2352 %                                                                             %
2353 %                                                                             %
2354 %  M a i n                                                                    %
2355 %                                                                             %
2356 %                                                                             %
2357 %                                                                             %
2358 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2359 %
2360 %
2361 */
2362 
ValidateUsage(void)2363 static MagickBooleanType ValidateUsage(void)
2364 {
2365   const char
2366     **p;
2367 
2368   static const char
2369     *miscellaneous[]=
2370     {
2371       "-debug events        display copious debugging information",
2372       "-help                print program options",
2373       "-log format          format of debugging information",
2374       "-validate type       validation type",
2375       "-version             print version information",
2376       (char *) NULL
2377     },
2378     *settings[]=
2379     {
2380       "-regard-warnings     pay attention to warning messages",
2381       "-verbose             print detailed information about the image",
2382       (char *) NULL
2383     };
2384 
2385   (void) printf("Version: %s\n",GetMagickVersion((size_t *) NULL));
2386   (void) printf("Copyright: %s\n\n",GetMagickCopyright());
2387   (void) printf("Features: %s\n",GetMagickFeatures());
2388   (void) printf("Usage: %s [options ...] reference-file\n",GetClientName());
2389   (void) printf("\nValidate Settings:\n");
2390   for (p=settings; *p != (char *) NULL; p++)
2391     (void) printf("  %s\n",*p);
2392   (void) printf("\nMiscellaneous Options:\n");
2393   for (p=miscellaneous; *p != (char *) NULL; p++)
2394     (void) printf("  %s\n",*p);
2395   return(MagickTrue);
2396 }
2397 
main(int argc,char ** argv)2398 int main(int argc,char **argv)
2399 {
2400 #define DestroyValidate() \
2401 { \
2402   image_info=DestroyImageInfo(image_info); \
2403   exception=DestroyExceptionInfo(exception); \
2404 }
2405 #define ThrowValidateException(asperity,tag,option) \
2406 { \
2407   (void) ThrowMagickException(exception,GetMagickModule(),asperity,tag,"`%s'", \
2408     option); \
2409   CatchException(exception); \
2410   DestroyValidate(); \
2411   return(MagickFalse); \
2412 }
2413 
2414   char
2415     output_filename[MagickPathExtent],
2416     reference_filename[MagickPathExtent],
2417     *option;
2418 
2419   double
2420     elapsed_time,
2421     user_time;
2422 
2423   ExceptionInfo
2424     *exception;
2425 
2426   Image
2427     *reference_image;
2428 
2429   ImageInfo
2430     *image_info;
2431 
2432   MagickBooleanType
2433     regard_warnings,
2434     status;
2435 
2436   MagickSizeType
2437     memory_resource,
2438     map_resource;
2439 
2440   register ssize_t
2441     i;
2442 
2443   TimerInfo
2444     *timer;
2445 
2446   size_t
2447     fail,
2448     iterations,
2449     tests;
2450 
2451   ValidateType
2452     type;
2453 
2454   /*
2455     Validate the ImageMagick image processing suite.
2456   */
2457   MagickCoreGenesis(*argv,MagickTrue);
2458   (void) setlocale(LC_ALL,"");
2459   (void) setlocale(LC_NUMERIC,"C");
2460   iterations=1;
2461   status=MagickFalse;
2462   type=AllValidate;
2463   regard_warnings=MagickFalse;
2464   (void) regard_warnings;
2465   exception=AcquireExceptionInfo();
2466   image_info=AcquireImageInfo();
2467   (void) CopyMagickString(image_info->filename,ReferenceFilename,MagickPathExtent);
2468   for (i=1; i < (ssize_t) argc; i++)
2469   {
2470     option=argv[i];
2471     if (IsCommandOption(option) == MagickFalse)
2472       {
2473         (void) CopyMagickString(image_info->filename,option,MagickPathExtent);
2474         continue;
2475       }
2476     switch (*(option+1))
2477     {
2478       case 'b':
2479       {
2480         if (LocaleCompare("bench",option+1) == 0)
2481           {
2482             iterations=StringToUnsignedLong(argv[++i]);
2483             break;
2484           }
2485         ThrowValidateException(OptionError,"UnrecognizedOption",option)
2486       }
2487       case 'd':
2488       {
2489         if (LocaleCompare("debug",option+1) == 0)
2490           {
2491             (void) SetLogEventMask(argv[++i]);
2492             break;
2493           }
2494         ThrowValidateException(OptionError,"UnrecognizedOption",option)
2495       }
2496       case 'h':
2497       {
2498         if (LocaleCompare("help",option+1) == 0)
2499           {
2500             (void) ValidateUsage();
2501             return(0);
2502           }
2503         ThrowValidateException(OptionError,"UnrecognizedOption",option)
2504       }
2505       case 'l':
2506       {
2507         if (LocaleCompare("log",option+1) == 0)
2508           {
2509             if (*option != '+')
2510               (void) SetLogFormat(argv[i+1]);
2511             break;
2512           }
2513         ThrowValidateException(OptionError,"UnrecognizedOption",option)
2514       }
2515       case 'r':
2516       {
2517         if (LocaleCompare("regard-warnings",option+1) == 0)
2518           {
2519             regard_warnings=MagickTrue;
2520             break;
2521           }
2522         ThrowValidateException(OptionError,"UnrecognizedOption",option)
2523       }
2524       case 'v':
2525       {
2526         if (LocaleCompare("validate",option+1) == 0)
2527           {
2528             ssize_t
2529               validate;
2530 
2531             if (*option == '+')
2532               break;
2533             i++;
2534             if (i >= (ssize_t) argc)
2535               ThrowValidateException(OptionError,"MissingArgument",option);
2536             validate=ParseCommandOption(MagickValidateOptions,MagickFalse,
2537               argv[i]);
2538             if (validate < 0)
2539               ThrowValidateException(OptionError,"UnrecognizedValidateType",
2540                 argv[i]);
2541             type=(ValidateType) validate;
2542             break;
2543           }
2544         if ((LocaleCompare("version",option+1) == 0) ||
2545             (LocaleCompare("-version",option+1) == 0))
2546           {
2547             (void) FormatLocaleFile(stdout,"Version: %s\n",
2548               GetMagickVersion((size_t *) NULL));
2549             (void) FormatLocaleFile(stdout,"Copyright: %s\n\n",
2550               GetMagickCopyright());
2551             (void) FormatLocaleFile(stdout,"Features: %s\n\n",
2552               GetMagickFeatures());
2553             return(0);
2554           }
2555         ThrowValidateException(OptionError,"UnrecognizedOption",option)
2556       }
2557       default:
2558         ThrowValidateException(OptionError,"UnrecognizedOption",option)
2559     }
2560   }
2561   timer=(TimerInfo *) NULL;
2562   if (iterations > 1)
2563     timer=AcquireTimerInfo();
2564   reference_image=ReadImage(image_info,exception);
2565   tests=0;
2566   fail=0;
2567   if (reference_image == (Image *) NULL)
2568     fail++;
2569   else
2570     {
2571       if (LocaleCompare(image_info->filename,ReferenceFilename) == 0)
2572         (void) CopyMagickString(reference_image->magick,ReferenceImageFormat,
2573           MagickPathExtent);
2574       (void) AcquireUniqueFilename(reference_filename);
2575       (void) AcquireUniqueFilename(output_filename);
2576       (void) CopyMagickString(reference_image->filename,reference_filename,
2577         MagickPathExtent);
2578       status=WriteImage(image_info,reference_image,exception);
2579       reference_image=DestroyImage(reference_image);
2580       if (status == MagickFalse)
2581         fail++;
2582       else
2583         {
2584           (void) FormatLocaleFile(stdout,"Version: %s\n",
2585             GetMagickVersion((size_t *) NULL));
2586           (void) FormatLocaleFile(stdout,"Copyright: %s\n\n",
2587             GetMagickCopyright());
2588           (void) FormatLocaleFile(stdout,
2589             "ImageMagick Validation Suite (%s)\n\n",CommandOptionToMnemonic(
2590             MagickValidateOptions,(ssize_t) type));
2591           if ((type & ColorspaceValidate) != 0)
2592             tests+=ValidateColorspaces(image_info,&fail,exception);
2593           if ((type & CompareValidate) != 0)
2594             tests+=ValidateCompareCommand(image_info,reference_filename,
2595               output_filename,&fail,exception);
2596           if ((type & CompositeValidate) != 0)
2597             tests+=ValidateCompositeCommand(image_info,reference_filename,
2598               output_filename,&fail,exception);
2599           if ((type & ConvertValidate) != 0)
2600             tests+=ValidateConvertCommand(image_info,reference_filename,
2601               output_filename,&fail,exception);
2602           if ((type & FormatsDiskValidate) != 0)
2603             {
2604               memory_resource=SetMagickResourceLimit(MemoryResource,0);
2605               map_resource=SetMagickResourceLimit(MapResource,0);
2606               (void) FormatLocaleFile(stdout,"[pixel-cache: disk] ");
2607               tests+=ValidateImageFormatsInMemory(image_info,reference_filename,
2608                 output_filename,&fail,exception);
2609               (void) FormatLocaleFile(stdout,"[pixel-cache: disk] ");
2610               tests+=ValidateImageFormatsOnDisk(image_info,reference_filename,
2611                 output_filename,&fail,exception);
2612               (void) SetMagickResourceLimit(MemoryResource,memory_resource);
2613               (void) SetMagickResourceLimit(MapResource,map_resource);
2614             }
2615           if ((type & FormatsMapValidate) != 0)
2616             {
2617               memory_resource=SetMagickResourceLimit(MemoryResource,0);
2618               (void) FormatLocaleFile(stdout,"[pixel-cache: memory-mapped] ");
2619               tests+=ValidateImageFormatsInMemory(image_info,reference_filename,
2620                 output_filename,&fail,exception);
2621               (void) FormatLocaleFile(stdout,"[pixel-cache: memory-mapped] ");
2622               tests+=ValidateImageFormatsOnDisk(image_info,reference_filename,
2623                 output_filename,&fail,exception);
2624               (void) SetMagickResourceLimit(MemoryResource,memory_resource);
2625             }
2626           if ((type & FormatsMemoryValidate) != 0)
2627             {
2628               (void) FormatLocaleFile(stdout,"[pixel-cache: memory] ");
2629               tests+=ValidateImageFormatsInMemory(image_info,reference_filename,
2630                 output_filename,&fail,exception);
2631               (void) FormatLocaleFile(stdout,"[pixel-cache: memory] ");
2632               tests+=ValidateImageFormatsOnDisk(image_info,reference_filename,
2633                 output_filename,&fail,exception);
2634             }
2635           if ((type & IdentifyValidate) != 0)
2636             tests+=ValidateIdentifyCommand(image_info,reference_filename,
2637               output_filename,&fail,exception);
2638           if ((type & ImportExportValidate) != 0)
2639             tests+=ValidateImportExportPixels(image_info,reference_filename,
2640               output_filename,&fail,exception);
2641           if ((type & MontageValidate) != 0)
2642             tests+=ValidateMontageCommand(image_info,reference_filename,
2643               output_filename,&fail,exception);
2644           if ((type & StreamValidate) != 0)
2645             tests+=ValidateStreamCommand(image_info,reference_filename,
2646               output_filename,&fail,exception);
2647           (void) FormatLocaleFile(stdout,
2648             "validation suite: %.20g tests; %.20g passed; %.20g failed.\n",
2649             (double) tests,(double) (tests-fail),(double) fail);
2650         }
2651       (void) RelinquishUniqueFileResource(output_filename);
2652       (void) RelinquishUniqueFileResource(reference_filename);
2653     }
2654   if (exception->severity != UndefinedException)
2655     CatchException(exception);
2656   if (iterations > 1)
2657     {
2658       elapsed_time=GetElapsedTime(timer);
2659       user_time=GetUserTime(timer);
2660       (void) FormatLocaleFile(stderr,
2661         "Performance: %.20gi %gips %0.3fu %ld:%02ld.%03ld\n",(double)
2662         iterations,1.0*iterations/elapsed_time,user_time,(long)
2663         (elapsed_time/60.0),(long) ceil(fmod(elapsed_time,60.0)),
2664         (long) (1000.0*(elapsed_time-floor(elapsed_time))));
2665       timer=DestroyTimerInfo(timer);
2666     }
2667   DestroyValidate();
2668   MagickCoreTerminus();
2669   return(fail == 0 ? 0 : 1);
2670 }
2671