/*
- Copyright 1999-2012 ImageMagick Studio LLC, a non-profit organization
+ Copyright 1999-2018 ImageMagick Studio LLC, a non-profit organization
dedicated to making software imaging solutions freely available.
You may not use this file except in compliance with the License.
obtain a copy of the License at
- http://www.imagemagick.org/script/license.php
+ https://imagemagick.org/script/license.php
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
See the License for the specific language governing permissions and
limitations under the License.
- MagickCore image constitute methods.
+ MagickCore image pixel methods.
*/
-#ifndef _MAGICKCORE_PIXEL_H
-#define _MAGICKCORE_PIXEL_H
+#ifndef MAGICKCORE_PIXEL_H
+#define MAGICKCORE_PIXEL_H
+
+#include "MagickCore/colorspace.h"
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
-#include <MagickCore/colorspace.h>
-
#define MaxPixelChannels 32
#undef index
+/*
+ Pixel enum declarations.
+*/
typedef enum
{
UndefinedChannel = 0x0000,
BlackChannel = 0x0008,
AlphaChannel = 0x0010,
OpacityChannel = 0x0010,
- IndexChannel = 0x0020,
- MaskChannel = 0x0040,
- MetaChannel = 0x0080,
- CompositeChannels = 0x002F,
+ IndexChannel = 0x0020, /* Color Index Table? */
+ ReadMaskChannel = 0x0040, /* Pixel is Not Readable? */
+ WriteMaskChannel = 0x0080, /* Pixel is Write Protected? */
+ MetaChannel = 0x0100, /* not used */
+ CompositeMaskChannel = 0x0200, /* SVG mask */
+ CompositeChannels = 0x001F,
AllChannels = 0x7ffffff,
/*
Special purpose channel types.
+ FUTURE: are these needed any more - they are more like hacks
+ SyncChannels for example is NOT a real channel but a 'flag'
+ It really says -- "User has not defined channels"
+ Though it does have extra meaning in the "-auto-level" operator
*/
TrueAlphaChannel = 0x0100, /* extract actual alpha channel from opacity */
RGBChannels = 0x0200, /* set alpha from grayscale mask in RGB */
GrayChannels = 0x0400,
- SyncChannels = 0x1000, /* channels should be modified equally */
- DefaultChannels = ((AllChannels | SyncChannels) &~ AlphaChannel)
+ SyncChannels = 0x20000, /* channels modified as a single unit */
+ DefaultChannels = AllChannels
} ChannelType; /* must correspond to PixelChannel */
-typedef enum
-{
- UndefinedInterpolatePixel,
- AverageInterpolatePixel,
- BicubicInterpolatePixel,
- BilinearInterpolatePixel,
- FilterInterpolatePixel,
- IntegerInterpolatePixel,
- MeshInterpolatePixel,
- NearestNeighborInterpolatePixel,
- SplineInterpolatePixel
-} PixelInterpolateMethod;
-
typedef enum
{
UndefinedPixelChannel = 0,
RedPixelChannel = 0,
CyanPixelChannel = 0,
GrayPixelChannel = 0,
+ LPixelChannel = 0,
+ LabelPixelChannel = 0,
YPixelChannel = 0,
+ aPixelChannel = 1,
GreenPixelChannel = 1,
MagentaPixelChannel = 1,
CbPixelChannel = 1,
+ bPixelChannel = 2,
BluePixelChannel = 2,
YellowPixelChannel = 2,
CrPixelChannel = 2,
BlackPixelChannel = 3,
AlphaPixelChannel = 4,
IndexPixelChannel = 5,
- MaskPixelChannel = 6,
- MetaPixelChannel = 7,
- IntensityPixelChannel = MaxPixelChannels,
- CompositePixelChannel = MaxPixelChannels,
- SyncPixelChannel = MaxPixelChannels+1
+ ReadMaskPixelChannel = 6,
+ WriteMaskPixelChannel = 7,
+ MetaPixelChannel = 8,
+ CompositeMaskPixelChannel = 9,
+ IntensityPixelChannel = MaxPixelChannels, /* ???? */
+ CompositePixelChannel = MaxPixelChannels, /* ???? */
+ SyncPixelChannel = MaxPixelChannels+1 /* not a real channel */
} PixelChannel; /* must correspond to ChannelType */
+typedef enum
+{
+ UndefinedPixelIntensityMethod = 0,
+ AveragePixelIntensityMethod,
+ BrightnessPixelIntensityMethod,
+ LightnessPixelIntensityMethod,
+ MSPixelIntensityMethod,
+ Rec601LumaPixelIntensityMethod,
+ Rec601LuminancePixelIntensityMethod,
+ Rec709LumaPixelIntensityMethod,
+ Rec709LuminancePixelIntensityMethod,
+ RMSPixelIntensityMethod
+} PixelIntensityMethod;
+
+typedef enum
+{
+ UndefinedInterpolatePixel,
+ AverageInterpolatePixel, /* Average 4 nearest neighbours */
+ Average9InterpolatePixel, /* Average 9 nearest neighbours */
+ Average16InterpolatePixel, /* Average 16 nearest neighbours */
+ BackgroundInterpolatePixel, /* Just return background color */
+ BilinearInterpolatePixel, /* Triangular filter interpolation */
+ BlendInterpolatePixel, /* blend of nearest 1, 2 or 4 pixels */
+ CatromInterpolatePixel, /* Catmull-Rom interpolation */
+ IntegerInterpolatePixel, /* Integer (floor) interpolation */
+ MeshInterpolatePixel, /* Triangular Mesh interpolation */
+ NearestInterpolatePixel, /* Nearest Neighbour Only */
+ SplineInterpolatePixel /* Cubic Spline (blurred) interpolation */
+ /* FilterInterpolatePixel, ** Use resize filter - (very slow) */
+} PixelInterpolateMethod;
+
+typedef enum
+{
+ UndefinedPixelMask = 0x000000,
+ ReadPixelMask = 0x000001,
+ WritePixelMask = 0x000002,
+ CompositePixelMask = 0x000004
+} PixelMask;
+
typedef enum
{
UndefinedPixelTrait = 0x000000,
BlendPixelTrait = 0x000004
} PixelTrait;
+typedef enum
+{
+ UndefinedPixel,
+ CharPixel,
+ DoublePixel,
+ FloatPixel,
+ LongPixel,
+ LongLongPixel,
+ QuantumPixel,
+ ShortPixel
+} StorageType;
+
+/*
+ Pixel typedef declarations.
+*/
typedef struct _PixelChannelMap
{
PixelChannel
ColorspaceType
colorspace;
- MagickBooleanType
- matte;
+ PixelTrait
+ alpha_trait;
double
fuzz;
MagickSizeType
count;
- double
+ MagickRealType
red,
green,
blue,
black;
} PixelPacket;
-typedef enum
-{
- UndefinedPixel,
- CharPixel,
- DoublePixel,
- FloatPixel,
- LongPixel,
- LongLongPixel,
- QuantumPixel,
- ShortPixel
-} StorageType;
-
typedef struct _CacheView
CacheView_;
+/*
+ Pixel method declarations.
+*/
extern MagickExport ChannelType
SetPixelChannelMask(Image *,const ChannelType);
ExceptionInfo *),
IsFuzzyEquivalencePixel(const Image *,const Quantum *,const Image *,
const Quantum *),
- IsFuzzyEquivalencePixelInfo(const PixelInfo *,const PixelInfo *);
+ IsFuzzyEquivalencePixelInfo(const PixelInfo *,const PixelInfo *),
+ SetPixelMetaChannels(Image *,const size_t,ExceptionInfo *);
+
+extern MagickExport MagickRealType
+ GetPixelInfoIntensity(const Image *magick_restrict,
+ const PixelInfo *magick_restrict) magick_hot_spot,
+ GetPixelIntensity(const Image *magick_restrict,
+ const Quantum *magick_restrict) magick_hot_spot;
extern MagickExport PixelChannelMap
*AcquirePixelChannelMap(void),
extern MagickExport PixelInfo
*ClonePixelInfo(const PixelInfo *);
+extern MagickExport MagickRealType
+ DecodePixelGamma(const MagickRealType) magick_hot_spot,
+ EncodePixelGamma(const MagickRealType) magick_hot_spot;
+
extern MagickExport void
- InitializePixelChannelMap(Image *),
+ ConformPixelInfo(Image *,const PixelInfo *,PixelInfo *,ExceptionInfo *),
GetPixelInfo(const Image *,PixelInfo *),
- SetPixelChannelMapMask(Image *,const ChannelType);
+ InitializePixelChannelMap(Image *);
#if defined(__cplusplus) || defined(c_plusplus)
}
projects / imagemagick / blobdiff