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1 /*
2   Copyright 1999-2019 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 struct _ColorInfo
41 {
42   char
43     *path,
44     *name;
45 
46   ComplianceType
47     compliance;
48 
49   PixelInfo
50     color;
51 
52   MagickBooleanType
53     exempt,
54     stealth;
55 
56   size_t
57     signature;
58 } ColorInfo;
59 
60 typedef struct _ErrorInfo
61 {
62   double
63     mean_error_per_pixel,
64     normalized_mean_error,
65     normalized_maximum_error;
66 } ErrorInfo;
67 
68 extern MagickExport char
69   **GetColorList(const char *,size_t *,ExceptionInfo *);
70 
71 extern MagickExport const ColorInfo
72   *GetColorInfo(const char *,ExceptionInfo *),
73   **GetColorInfoList(const char *,size_t *,ExceptionInfo *);
74 
75 extern MagickExport MagickBooleanType
76   IsEquivalentImage(const Image *,const Image *,ssize_t *x,ssize_t *y,
77     ExceptionInfo *),
78   ListColorInfo(FILE *,ExceptionInfo *),
79   QueryColorCompliance(const char *,const ComplianceType,PixelInfo *,
80     ExceptionInfo *),
81   QueryColorname(const Image *,const PixelInfo *,const ComplianceType,
82     char *,ExceptionInfo *);
83 
84 extern MagickExport void
85   ConcatenateColorComponent(const PixelInfo *,const PixelChannel,
86     const ComplianceType,char *),
87   GetColorTuple(const PixelInfo *,const MagickBooleanType,char *);
88 
89 #if defined(__cplusplus) || defined(c_plusplus)
90 }
91 #endif
92 
93 #endif
94