forked from openkylin/imagemagick
100 lines
2.6 KiB
C
100 lines
2.6 KiB
C
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/*
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Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization
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dedicated to making software imaging solutions freely available.
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You may not use this file except in compliance with the License. You may
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obtain a copy of the License at
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https://imagemagick.org/script/license.php
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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MagickCore graphic resample methods.
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*/
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#ifndef MAGICKCORE_RESAMPLE_H
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#define MAGICKCORE_RESAMPLE_H
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#include "magick/cache-view.h"
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#if defined(__cplusplus) || defined(c_plusplus)
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extern "C" {
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#endif
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/*
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WARNING: The order of this table must also match the order of a table
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located in AcquireResizeFilter() in "resize.c" otherwise the users filter
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will not match the actual filter that is setup.
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*/
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typedef enum
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{
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UndefinedFilter,
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PointFilter,
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BoxFilter,
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TriangleFilter,
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HermiteFilter,
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HanningFilter,
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HammingFilter,
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BlackmanFilter,
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GaussianFilter,
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QuadraticFilter,
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CubicFilter,
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CatromFilter,
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MitchellFilter,
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JincFilter,
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SincFilter,
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SincFastFilter,
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KaiserFilter,
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WelshFilter,
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ParzenFilter,
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BohmanFilter,
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BartlettFilter,
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LagrangeFilter,
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LanczosFilter,
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LanczosSharpFilter,
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Lanczos2Filter,
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Lanczos2SharpFilter,
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RobidouxFilter,
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RobidouxSharpFilter,
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CosineFilter,
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SplineFilter,
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LanczosRadiusFilter,
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SentinelFilter /* a count of all the filters, not a real filter */
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} FilterTypes;
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/*
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Backward compatibility for the more correctly named Jinc Filter. Original
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source of this filter is from "zoom" but it refers to a reference by Pratt,
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who does not actualy name the filter.
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*/
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#define BesselFilter JincFilter
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typedef struct _ResampleFilter
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ResampleFilter;
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extern MagickExport MagickBooleanType
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ResamplePixelColor(ResampleFilter *,const double,const double,
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MagickPixelPacket *),
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SetResampleFilterInterpolateMethod(ResampleFilter *,
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const InterpolatePixelMethod),
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SetResampleFilterVirtualPixelMethod(ResampleFilter *,
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const VirtualPixelMethod);
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extern MagickExport ResampleFilter
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*AcquireResampleFilter(const Image *,ExceptionInfo *),
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*DestroyResampleFilter(ResampleFilter *);
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extern MagickExport void
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ScaleResampleFilter(ResampleFilter *,const double,const double,const double,
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const double),
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SetResampleFilter(ResampleFilter *,const FilterTypes,const double);
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#if defined(__cplusplus) || defined(c_plusplus)
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}
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#endif
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#endif
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