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1 /*
2   Copyright 1999-2021 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 image color methods.
17 */
18 #ifndef MAGICKCORE_COLOR_H
19 #define MAGICKCORE_COLOR_H
20 
21 #include "MagickCore/pixel.h"
22 #include "MagickCore/exception.h"
23 
24 #if defined(__cplusplus) || defined(c_plusplus)
25 extern "C" {
26 #endif
27 
28 typedef enum
29 {
30   UndefinedCompliance,
31   NoCompliance = 0x0000,
32   CSSCompliance = 0x0001,
33   SVGCompliance = 0x0001,
34   X11Compliance = 0x0002,
35   XPMCompliance = 0x0004,
36   MVGCompliance = 0x0008,
37   AllCompliance = 0x7fffffff
38 } ComplianceType;
39 
40 typedef enum
41 {
42   UndefinedIlluminant = 5,
43   AIlluminant = 0,
44   BIlluminant = 1,
45   CIlluminant = 2,
46   D50Illuminant = 3,
47   D55Illuminant = 4,
48   D65Illuminant = 5,
49   D75Illuminant = 6,
50   EIlluminant = 7,
51   F2Illuminant = 8,
52   F7Illuminant = 9,
53   F11Illuminant = 10
54 } IlluminantType;
55 
56 typedef struct _ColorInfo
57 {
58   char
59     *path,
60     *name;
61 
62   ComplianceType
63     compliance;
64 
65   PixelInfo
66     color;
67 
68   MagickBooleanType
69     exempt,
70     stealth;
71 
72   size_t
73     signature;
74 } ColorInfo;
75 
76 typedef struct _ErrorInfo
77 {
78   double
79     mean_error_per_pixel,
80     normalized_mean_error,
81     normalized_maximum_error;
82 } ErrorInfo;
83 
84 extern MagickExport char
85   **GetColorList(const char *,size_t *,ExceptionInfo *);
86 
87 extern MagickExport const ColorInfo
88   *GetColorInfo(const char *,ExceptionInfo *),
89   **GetColorInfoList(const char *,size_t *,ExceptionInfo *);
90 
91 extern MagickExport MagickBooleanType
92   IsEquivalentImage(const Image *,const Image *,ssize_t *x,ssize_t *y,
93     ExceptionInfo *),
94   ListColorInfo(FILE *,ExceptionInfo *),
95   QueryColorCompliance(const char *,const ComplianceType,PixelInfo *,
96     ExceptionInfo *),
97   QueryColorname(const Image *,const PixelInfo *,const ComplianceType,
98     char *,ExceptionInfo *);
99 
100 extern MagickExport void
101   ConcatenateColorComponent(const PixelInfo *,const PixelChannel,
102     const ComplianceType,char *),
103   GetColorTuple(const PixelInfo *,const MagickBooleanType,char *);
104 
105 #if defined(__cplusplus) || defined(c_plusplus)
106 }
107 #endif
108 
109 #endif
110