MagickCore  6.9.13-26
Convert, Edit, Or Compose Bitmap Images
compare-private.h
1 /*
2  Copyright @ 1999 ImageMagick Studio LLC, a non-profit organization
3  dedicated to making software imaging solutions freely available.
4 
5  You may not use this file except in compliance with the License. You may
6  obtain a copy of the License at
7 
8  https://imagemagick.org/script/license.php
9 
10  Unless required by applicable law or agreed to in writing, software
11  distributed under the License is distributed on an "AS IS" BASIS,
12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  See the License for the specific language governing permissions and
14  limitations under the License.
15 
16  MagickCore compare private methods.
17 */
18 #ifndef MAGICKCORE_COMPARE_PRIVATE_H
19 #define MAGICKCORE_COMPARE_PRIVATE_H
20 
21 #if defined(__cplusplus) || defined(c_plusplus)
22 extern "C" {
23 #endif
24 
25 #include "magick/image-private.h"
26 
27 #define DefaultSimilarityThreshold (-1.0)
28 #define MagickSafePSNRRecipicol(x) ((x)*log10(1.0/MagickEpsilon))
29 
30 
31 static inline void SetImageCompareBounds(const Image *image,
32  const Image *reconstruct_image,size_t *columns,size_t *rows)
33 {
34  const char
35  *artifact;
36 
37  *columns=MagickMax(image->columns,reconstruct_image->columns);
38  *rows=MagickMax(image->rows,reconstruct_image->rows);
39  artifact=GetImageArtifact(image,"compare:virtual-pixels");
40  if ((artifact != (const char *) NULL) &&
41  (IsStringTrue(artifact) == MagickFalse))
42  {
43  *columns=MagickMin(image->columns,reconstruct_image->columns);
44  *rows=MagickMin(image->rows,reconstruct_image->rows);
45  }
46 }
47 
48 #if defined(__cplusplus) || defined(c_plusplus)
49 }
50 #endif
51 
52 #endif
Definition: image.h:133