imagemagick/magick/distort.h

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2023-02-03 21:16:55 +08:00
/*
Copyright 1999-2021 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. You may
obtain a copy of the License at
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,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
MagickCore image distortion methods.
*/
#ifndef MAGICKCORE_DISTORT_H
#define MAGICKCORE_DISTORT_H
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
/*
These two enum are linked, with common enumerated values. Both
DistortImages() and SparseColor() often share code to determine functional
coefficients for common methods.
Caution should be taken to ensure that only the common methods contain the
same enumerated value, while all others remain unique across both
enumerations.
*/
typedef enum
{
UndefinedDistortion,
AffineDistortion,
AffineProjectionDistortion,
ScaleRotateTranslateDistortion,
PerspectiveDistortion,
PerspectiveProjectionDistortion,
BilinearForwardDistortion,
BilinearDistortion = BilinearForwardDistortion,
BilinearReverseDistortion,
PolynomialDistortion,
ArcDistortion,
PolarDistortion,
DePolarDistortion,
Cylinder2PlaneDistortion,
Plane2CylinderDistortion,
BarrelDistortion,
BarrelInverseDistortion,
ShepardsDistortion,
ResizeDistortion,
SentinelDistortion
} DistortImageMethod;
typedef enum
{
UndefinedColorInterpolate = UndefinedDistortion,
BarycentricColorInterpolate = AffineDistortion,
BilinearColorInterpolate = BilinearReverseDistortion,
PolynomialColorInterpolate = PolynomialDistortion,
ShepardsColorInterpolate = ShepardsDistortion,
/*
Methods unique to SparseColor().
*/
VoronoiColorInterpolate = SentinelDistortion,
InverseColorInterpolate,
ManhattanColorInterpolate
} SparseColorMethod;
extern MagickExport Image
*AffineTransformImage(const Image *,const AffineMatrix *,ExceptionInfo *),
*DistortImage(const Image *,const DistortImageMethod,const size_t,
const double *,MagickBooleanType,ExceptionInfo *exception),
*DistortResizeImage(const Image *,const size_t,const size_t,ExceptionInfo *),
*RotateImage(const Image *,const double,ExceptionInfo *),
*SparseColorImage(const Image *,const ChannelType,const SparseColorMethod,
const size_t,const double *,ExceptionInfo *);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif