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1 /*
2   Copyright 1999-2020 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 cache view methods.
17 */
18 #ifndef MAGICKCORE_CACHE_VIEW_H
19 #define MAGICKCORE_CACHE_VIEW_H
20 
21 #include "MagickCore/pixel.h"
22 
23 #if defined(__cplusplus) || defined(c_plusplus)
24 extern "C" {
25 #endif
26 
27 typedef enum
28 {
29   UndefinedVirtualPixelMethod,
30   BackgroundVirtualPixelMethod,
31   DitherVirtualPixelMethod,
32   EdgeVirtualPixelMethod,
33   MirrorVirtualPixelMethod,
34   RandomVirtualPixelMethod,
35   TileVirtualPixelMethod,
36   TransparentVirtualPixelMethod,
37   MaskVirtualPixelMethod,
38   BlackVirtualPixelMethod,
39   GrayVirtualPixelMethod,
40   WhiteVirtualPixelMethod,
41   HorizontalTileVirtualPixelMethod,
42   VerticalTileVirtualPixelMethod,
43   HorizontalTileEdgeVirtualPixelMethod,
44   VerticalTileEdgeVirtualPixelMethod,
45   CheckerTileVirtualPixelMethod
46 } VirtualPixelMethod;
47 
48 typedef struct _CacheView
49   CacheView;
50 
51 extern MagickExport CacheView
52   *AcquireAuthenticCacheView(const Image *,ExceptionInfo *),
53   *AcquireVirtualCacheView(const Image *,ExceptionInfo *),
54   *CloneCacheView(const CacheView *),
55   *DestroyCacheView(CacheView *);
56 
57 extern MagickExport ClassType
58   GetCacheViewStorageClass(const CacheView *) magick_attribute((__pure__));
59 
60 extern MagickExport ColorspaceType
61   GetCacheViewColorspace(const CacheView *) magick_attribute((__pure__));
62 
63 extern MagickExport const Image
64   *GetCacheViewImage(const CacheView *) magick_attribute((__pure__));
65 
66 extern MagickExport const Quantum
67   *GetCacheViewVirtualPixels(const CacheView *,const ssize_t,const ssize_t,
68     const size_t,const size_t,ExceptionInfo *) magick_hot_spot,
69   *GetCacheViewVirtualPixelQueue(const CacheView *) magick_hot_spot;
70 
71 extern MagickExport const void
72   *GetCacheViewVirtualMetacontent(const CacheView *)
73     magick_attribute((__pure__));
74 
75 extern MagickExport MagickBooleanType
76   GetOneCacheViewAuthenticPixel(const CacheView *,const ssize_t,const ssize_t,
77     Quantum *,ExceptionInfo *),
78   GetOneCacheViewVirtualMethodPixel(const CacheView *,const VirtualPixelMethod,
79     const ssize_t,const ssize_t,Quantum *,ExceptionInfo *),
80   GetOneCacheViewVirtualPixel(const CacheView *,const ssize_t,const ssize_t,
81     Quantum *,ExceptionInfo *),
82   GetOneCacheViewVirtualPixelInfo(const CacheView *,const ssize_t,const ssize_t,
83     PixelInfo *,ExceptionInfo *),
84   SetCacheViewStorageClass(CacheView *,const ClassType,ExceptionInfo *),
85   SetCacheViewVirtualPixelMethod(CacheView *magick_restrict,
86     const VirtualPixelMethod),
87   SyncCacheViewAuthenticPixels(CacheView *magick_restrict,ExceptionInfo *)
88     magick_hot_spot;
89 
90 extern MagickExport MagickSizeType
91   GetCacheViewExtent(const CacheView *) magick_attribute((__pure__));
92 
93 extern MagickExport Quantum
94   *GetCacheViewAuthenticPixelQueue(CacheView *) magick_hot_spot,
95   *GetCacheViewAuthenticPixels(CacheView *,const ssize_t,const ssize_t,
96     const size_t,const size_t,ExceptionInfo *) magick_hot_spot,
97   *QueueCacheViewAuthenticPixels(CacheView *,const ssize_t,const ssize_t,
98     const size_t,const size_t,ExceptionInfo *) magick_hot_spot;
99 
100 extern MagickExport void
101   *GetCacheViewAuthenticMetacontent(CacheView *);
102 
103 #if defined(__cplusplus) || defined(c_plusplus)
104 }
105 #endif
106 
107 #endif
108