MagickCore  6.9.12-19
Convert, Edit, Or Compose Bitmap Images
pixel.h
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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 constitute methods.
17 */
18 #ifndef MAGICKCORE_PIXEL_H
19 #define MAGICKCORE_PIXEL_H
20 
21 #include "magick/colorspace.h"
22 #include "magick/constitute.h"
23 
24 #if defined(__cplusplus) || defined(c_plusplus)
25 extern "C" {
26 #endif
27 
28 /*
29  Pixel enum declarations.
30 */
31 typedef enum
32 {
34  AverageInterpolatePixel, /* Average 4 nearest neighbours */
35  BicubicInterpolatePixel, /* Catmull-Rom interpolation */
36  BilinearInterpolatePixel, /* Triangular filter interpolation */
37  FilterInterpolatePixel, /* Use resize filter - (very slow) */
38  IntegerInterpolatePixel, /* Integer (floor) interpolation */
39  MeshInterpolatePixel, /* Triangular mesh interpolation */
40  NearestNeighborInterpolatePixel, /* Nearest neighbour only */
41  SplineInterpolatePixel, /* Cubic Spline (blurred) interpolation */
42  Average9InterpolatePixel, /* Average 9 nearest neighbours */
43  Average16InterpolatePixel, /* Average 16 nearest neighbours */
44  BlendInterpolatePixel, /* blend of nearest 1, 2 or 4 pixels */
45  BackgroundInterpolatePixel, /* just return background color */
46  CatromInterpolatePixel /* Catmull-Rom interpolation */
48 
49 typedef enum
50 {
51  PixelRed = 0,
52  PixelCyan = 0,
53  PixelGray = 0,
54  PixelY = 0,
57  PixelCb = 1,
58  PixelBlue = 2,
60  PixelCr = 2,
66 
67 typedef enum
68 {
80 
81 /*
82  Pixel typedef declarations.
83 */
84 typedef struct _DoublePixelPacket
85 {
86  double
87  red,
88  green,
89  blue,
90  opacity,
91  index;
93 
94 typedef struct _LongPixelPacket
95 {
96  unsigned int
97  red,
98  green,
99  blue,
100  opacity,
101  index;
103 
104 typedef struct _MagickPixelPacket
105 {
106  ClassType
108 
111 
114 
115  double
117 
118  size_t
120 
123  green,
124  blue,
125  opacity,
126  index;
128 
130 
131 typedef struct _PixelPacket
132 {
133 #if defined(MAGICKCORE_WORDS_BIGENDIAN)
134 #define MAGICK_PIXEL_RGBA 1
135  Quantum
136  red,
137  green,
138  blue,
139  opacity;
140 #else
141 #define MAGICK_PIXEL_BGRA 1
142  Quantum
144  green,
145  red,
146  opacity;
147 #endif
148 } PixelPacket;
149 
150 typedef struct _QuantumPixelPacket
151 {
152  Quantum
154  green,
155  blue,
156  opacity,
157  index;
159 
160 typedef struct _CacheView
161  CacheView_;
162 
163 /*
164  Pixel method declarations.
165 */
167  ExportImagePixels(const Image *,const ssize_t,const ssize_t,const size_t,
168  const size_t,const char *,const StorageType,void *,ExceptionInfo *),
169  ImportImagePixels(Image *,const ssize_t,const ssize_t,const size_t,
170  const size_t,const char *,const StorageType,const void *),
172  const InterpolatePixelMethod,const double,const double,MagickPixelPacket *,
173  ExceptionInfo *);
174 
177 
180  EncodePixelGamma(const MagickRealType) magick_hot_spot,
182  const MagickPixelPacket *magick_restrict) magick_hot_spot,
184  magick_hot_spot;
185 
186 extern MagickExport void
188  MagickPixelPacket *,ExceptionInfo *),
189  GetMagickPixelPacket(const Image *,MagickPixelPacket *);
190 
191 #if defined(__cplusplus) || defined(c_plusplus)
192 }
193 #endif
194 
195 #endif
#define magick_restrict
Definition: MagickCore.h:41
MagickExport MagickRealType EncodePixelGamma(const MagickRealType pixel)
Definition: pixel.c:342
MagickDoubleType MagickRealType
Definition: magick-type.h:125
MagickRealType opacity
Definition: pixel.h:122
Definition: pixel.h:75
ColorspaceType colorspace
Definition: pixel.h:110
size_t depth
Definition: pixel.h:119
Definition: pixel.h:39
struct _DoublePixelPacket DoublePixelPacket
unsigned int opacity
Definition: pixel.h:97
Definition: pixel.h:72
InterpolatePixelMethod
Definition: pixel.h:31
Definition: pixel.h:33
Quantum blue
Definition: pixel.h:143
double index
Definition: pixel.h:87
Definition: exception.h:102
PixelIntensityMethod
Definition: pixel.h:67
double red
Definition: pixel.h:87
Quantum red
Definition: pixel.h:153
Definition: pixel.h:64
Quantum opacity
Definition: pixel.h:153
Definition: cache-view.c:65
Definition: pixel.h:131
Definition: pixel.h:57
Definition: pixel.h:77
Quantum green
Definition: pixel.h:143
Definition: pixel.h:37
Definition: pixel.h:61
MagickExport MagickPixelPacket * CloneMagickPixelPacket(const MagickPixelPacket *pixel)
Definition: pixel.c:93
Definition: pixel.h:40
Definition: image.h:152
double fuzz
Definition: pixel.h:116
MagickExport MagickRealType DecodePixelGamma(const MagickRealType pixel)
Definition: pixel.c:246
Image * image
Definition: cache-view.c:68
struct _MagickPixelPacket MagickPixelPacket
double blue
Definition: pixel.h:87
MagickBooleanType
Definition: magick-type.h:198
Quantum blue
Definition: pixel.h:153
ClassType
Definition: magick-type.h:191
MagickExport void GetMagickPixelPacket(const Image *image, MagickPixelPacket *pixel)
Definition: pixel.c:2233
PixelComponent
Definition: pixel.h:49
Definition: pixel.h:55
Definition: pixel.h:60
Quantum red
Definition: pixel.h:143
Definition: pixel.h:104
Definition: pixel.h:71
Definition: pixel.h:70
unsigned int red
Definition: pixel.h:97
Quantum index
Definition: pixel.h:153
#define magick_hot_spot
Definition: method-attribute.h:122
Definition: pixel.h:52
Definition: pixel.h:44
double opacity
Definition: pixel.h:87
Quantum green
Definition: pixel.h:153
Definition: pixel.h:53
MagickExport MagickBooleanType InterpolateMagickPixelPacket(const Image *magick_restrict image, const CacheView *image_view, const InterpolatePixelMethod method, const double x, const double y, MagickPixelPacket *pixel, ExceptionInfo *exception)
Definition: pixel.c:4440
Quantum opacity
Definition: pixel.h:143
unsigned int green
Definition: pixel.h:97
Definition: pixel.h:34
struct _LongPixelPacket LongPixelPacket
Definition: pixel.h:45
Definition: pixel.h:62
Definition: pixel.h:94
Definition: pixel.h:84
Definition: pixel.h:35
Definition: pixel.h:43
ClassType storage_class
Definition: pixel.h:107
MagickRealType red
Definition: pixel.h:122
unsigned int blue
Definition: pixel.h:97
StorageType
Definition: constitute.h:25
Definition: pixel.h:69
MagickExport MagickBooleanType ExportImagePixels(const Image *image, const ssize_t x, const ssize_t y, const size_t width, const size_t height, const char *map, const StorageType type, void *pixels, ExceptionInfo *exception)
Definition: pixel.c:1892
struct _PixelPacket PixelPacket
MagickBooleanType matte
Definition: pixel.h:113
Definition: pixel.h:41
struct _QuantumPixelPacket QuantumPixelPacket
unsigned short Quantum
Definition: magick-type.h:85
MagickExport void ConformMagickPixelPacket(Image *image, const MagickPixelPacket *source, MagickPixelPacket *destination, ExceptionInfo *exception)
Definition: pixel.c:138
MagickExport MagickRealType GetPixelIntensity(const Image *image, const PixelPacket *magick_restrict pixel)
Definition: pixel.c:2292
MagickExport MagickBooleanType ImportImagePixels(Image *image, const ssize_t x, const ssize_t y, const size_t width, const size_t height, const char *map, const StorageType type, const void *pixels)
Definition: pixel.c:4132
MagickRealType green
Definition: pixel.h:122
Definition: pixel.h:150
ColorspaceType
Definition: colorspace.h:25
Definition: pixel.h:51
Definition: pixel.h:54
Definition: pixel.h:38
MagickExport MagickRealType GetMagickPixelIntensity(const Image *image, const MagickPixelPacket *magick_restrict pixel)
Definition: pixel.c:2118
Definition: pixel.h:59
Definition: pixel.h:58
MagickRealType blue
Definition: pixel.h:122
Definition: pixel.h:46
Definition: pixel.h:56
#define MagickExport
Definition: method-attribute.h:80
Definition: pixel.h:78
Definition: pixel.h:42
Quantum IndexPacket
Definition: pixel.h:129
unsigned int index
Definition: pixel.h:97
double green
Definition: pixel.h:87
Definition: pixel.h:63
MagickRealType index
Definition: pixel.h:122
Definition: pixel.h:36
Definition: pixel.h:73