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1  /*
2    Copyright 1999-2016 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.
6    obtain a copy of the License at
7  
8      http://www.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 morphology methods.
17  */
18  #ifndef MAGICKCORE_MORPHOLOGY_H
19  #define MAGICKCORE_MORPHOLOGY_H
20  
21  #include "MagickCore/geometry.h"
22  
23  #if defined(__cplusplus) || defined(c_plusplus)
24  extern "C" {
25  #endif
26  
27  typedef enum
28  {
29    UndefinedKernel,    /* equivalent to UnityKernel */
30    UnityKernel,        /* The no-op or 'original image' kernel */
31    GaussianKernel,     /* Convolution Kernels, Gaussian Based */
32    DoGKernel,
33    LoGKernel,
34    BlurKernel,
35    CometKernel,
36    BinomialKernel,
37    LaplacianKernel,    /* Convolution Kernels, by Name */
38    SobelKernel,
39    FreiChenKernel,
40    RobertsKernel,
41    PrewittKernel,
42    CompassKernel,
43    KirschKernel,
44    DiamondKernel,      /* Shape Kernels */
45    SquareKernel,
46    RectangleKernel,
47    OctagonKernel,
48    DiskKernel,
49    PlusKernel,
50    CrossKernel,
51    RingKernel,
52    PeaksKernel,         /* Hit And Miss Kernels */
53    EdgesKernel,
54    CornersKernel,
55    DiagonalsKernel,
56    LineEndsKernel,
57    LineJunctionsKernel,
58    RidgesKernel,
59    ConvexHullKernel,
60    ThinSEKernel,
61    SkeletonKernel,
62    ChebyshevKernel,    /* Distance Measuring Kernels */
63    ManhattanKernel,
64    OctagonalKernel,
65    EuclideanKernel,
66    UserDefinedKernel   /* User Specified Kernel Array */
67  } KernelInfoType;
68  
69  typedef enum
70  {
71    UndefinedMorphology,
72  /* Convolve / Correlate weighted sums */
73    ConvolveMorphology,           /* Weighted Sum with reflected kernel */
74    CorrelateMorphology,          /* Weighted Sum using a sliding window */
75  /* Low-level Morphology methods */
76    ErodeMorphology,              /* Minimum Value in Neighbourhood */
77    DilateMorphology,             /* Maximum Value in Neighbourhood */
78    ErodeIntensityMorphology,     /* Pixel Pick using GreyScale Erode */
79    DilateIntensityMorphology,    /* Pixel Pick using GreyScale Dialate */
80    IterativeDistanceMorphology,  /* Add Kernel Value, take Minimum */
81  /* Second-level Morphology methods */
82    OpenMorphology,               /* Dilate then Erode */
83    CloseMorphology,              /* Erode then Dilate */
84    OpenIntensityMorphology,      /* Pixel Pick using GreyScale Open */
85    CloseIntensityMorphology,     /* Pixel Pick using GreyScale Close */
86    SmoothMorphology,             /* Open then Close */
87  /* Difference Morphology methods */
88    EdgeInMorphology,             /* Dilate difference from Original */
89    EdgeOutMorphology,            /* Erode difference from Original */
90    EdgeMorphology,               /* Dilate difference with Erode */
91    TopHatMorphology,             /* Close difference from Original */
92    BottomHatMorphology,          /* Open difference from Original */
93  /* Recursive Morphology methods */
94    HitAndMissMorphology,         /* Foreground/Background pattern matching */
95    ThinningMorphology,           /* Remove matching pixels from image */
96    ThickenMorphology,            /* Add matching pixels from image */
97  /* Directly Applied Morphology methods */
98    DistanceMorphology,           /* Add Kernel Value, take Minimum */
99    VoronoiMorphology             /* Distance matte channel copy nearest color */
100  } MorphologyMethod;
101  
102  typedef struct _KernelInfo
103  {
104    KernelInfoType
105      type;
106  
107    size_t
108      width,
109      height;
110  
111    ssize_t
112      x,
113      y;
114  
115    MagickRealType
116      *values;
117  
118    double
119      minimum,
120      maximum,
121      negative_range,
122      positive_range,
123      angle;
124  
125    struct _KernelInfo
126      *next;
127  
128    size_t
129      signature;
130  } KernelInfo;
131  
132  extern MagickExport KernelInfo
133    *AcquireKernelInfo(const char *,ExceptionInfo *),
134    *AcquireKernelBuiltIn(const KernelInfoType,const GeometryInfo *,
135      ExceptionInfo *),
136    *CloneKernelInfo(const KernelInfo *),
137    *DestroyKernelInfo(KernelInfo *);
138  
139  extern MagickExport Image
140    *MorphologyImage(const Image *,const MorphologyMethod,const ssize_t,
141      const KernelInfo *,ExceptionInfo *);
142  
143  extern MagickExport void
144    ScaleGeometryKernelInfo(KernelInfo *,const char *),
145    ScaleKernelInfo(KernelInfo *,const double,const GeometryFlags),
146    UnityAddKernelInfo(KernelInfo *,const double);
147  
148  #if defined(__cplusplus) || defined(c_plusplus)
149  }
150  #endif
151  
152  #endif
153