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 colorspace methods.
17 */
18 #ifndef MAGICKCORE_COLORSPACE_H
19 #define MAGICKCORE_COLORSPACE_H
20 
21 #if defined(__cplusplus) || defined(c_plusplus)
22 extern "C" {
23 #endif
24 
25 typedef enum
26 {
27   UndefinedColorspace,
28   RGBColorspace,            /* Linear RGB colorspace */
29   GRAYColorspace,           /* greyscale (non-linear) image (faked 1 channel) */
30   TransparentColorspace,
31   OHTAColorspace,
32   LabColorspace,
33   XYZColorspace,
34   YCbCrColorspace,
35   YCCColorspace,
36   YIQColorspace,
37   YPbPrColorspace,
38   YUVColorspace,
39   CMYKColorspace,           /* negated linear RGB with black separated */
40   sRGBColorspace,           /* Default: non-linear sRGB colorspace */
41   HSBColorspace,
42   HSLColorspace,
43   HWBColorspace,
44   Rec601LumaColorspace,
45   Rec601YCbCrColorspace,
46   Rec709LumaColorspace,
47   Rec709YCbCrColorspace,
48   LogColorspace,
49   CMYColorspace,            /* negated linear RGB colorspace */
50   LuvColorspace,
51   HCLColorspace,
52   LCHColorspace,            /* alias for LCHuv */
53   LMSColorspace,
54   LCHabColorspace,          /* Cylindrical (Polar) Lab */
55   LCHuvColorspace,          /* Cylindrical (Polar) Luv */
56   scRGBColorspace,
57   HSIColorspace,
58   HSVColorspace,            /* alias for HSB */
59   HCLpColorspace,
60   YDbDrColorspace,
61   xyYColorspace,
62   LinearGRAYColorspace      /* greyscale (linear) image (faked 1 channel) */
63 } ColorspaceType;
64 
65 extern MagickExport ColorspaceType
66   GetImageColorspaceType(const Image *,ExceptionInfo *);
67 
68 extern MagickExport MagickBooleanType
69   RGBTransformImage(Image *,const ColorspaceType),
70   SetImageColorspace(Image *,const ColorspaceType),
71   SetImageGray(Image *,ExceptionInfo *),
72   SetImageMonochrome(Image *,ExceptionInfo *),
73   TransformImageColorspace(Image *,const ColorspaceType),
74   TransformRGBImage(Image *,const ColorspaceType);
75 
76 #if defined(__cplusplus) || defined(c_plusplus)
77 }
78 #endif
79 
80 #endif
81