resample.c File Reference

#include "magick/studio.h"
#include "magick/artifact.h"
#include "magick/color-private.h"
#include "magick/cache.h"
#include "magick/draw.h"
#include "magick/exception-private.h"
#include "magick/gem.h"
#include "magick/image.h"
#include "magick/image-private.h"
#include "magick/log.h"
#include "magick/magick.h"
#include "magick/memory_.h"
#include "magick/pixel.h"
#include "magick/pixel-private.h"
#include "magick/quantum.h"
#include "magick/random_.h"
#include "magick/resample.h"
#include "magick/resize.h"
#include "magick/resize-private.h"
#include "magick/resource_.h"
#include "magick/transform.h"
#include "magick/signature-private.h"
#include "magick/token.h"
#include "magick/utility.h"
#include "magick/option.h"
Include dependency graph for resample.c:

Data Structures

struct  _ResampleFilter

Defines

#define EWA   1
#define EWA_CLAMP   1
#define FILTER_LUT   1
#define DEBUG_ELLIPSE   0
#define DEBUG_HIT_MISS   0
#define DEBUG_NO_PIXEL_HIT   0
#define WLUT_WIDTH   1024
#define DEBUG_HIT_MISS   0

Functions

MagickExport ResampleFilterAcquireResampleFilter (const Image *image, ExceptionInfo *exception)
MagickExport ResampleFilterDestroyResampleFilter (ResampleFilter *resample_filter)
MagickExport MagickBooleanType ResamplePixelColor (ResampleFilter *resample_filter, const double u0, const double v0, MagickPixelPacket *pixel)
static void ClampUpAxes (const double dux, const double dvx, const double duy, const double dvy, double *major_mag, double *minor_mag, double *major_unit_x, double *major_unit_y, double *minor_unit_x, double *minor_unit_y)
MagickExport void ScaleResampleFilter (ResampleFilter *resample_filter, const double dux, const double duy, const double dvx, const double dvy)
MagickExport void SetResampleFilter (ResampleFilter *resample_filter, const FilterTypes filter, const double blur)
MagickExport MagickBooleanType SetResampleFilterInterpolateMethod (ResampleFilter *resample_filter, const InterpolatePixelMethod method)
MagickExport MagickBooleanType SetResampleFilterVirtualPixelMethod (ResampleFilter *resample_filter, const VirtualPixelMethod method)

Define Documentation

#define DEBUG_ELLIPSE   0
#define DEBUG_HIT_MISS   0
#define DEBUG_HIT_MISS   0
#define DEBUG_NO_PIXEL_HIT   0
#define EWA   1
#define EWA_CLAMP   1
#define FILTER_LUT   1
#define WLUT_WIDTH   1024

Function Documentation

MagickExport ResampleFilter* AcquireResampleFilter ( const Image image,
ExceptionInfo exception 
)
static void ClampUpAxes ( const double  dux,
const double  dvx,
const double  duy,
const double  dvy,
double *  major_mag,
double *  minor_mag,
double *  major_unit_x,
double *  major_unit_y,
double *  minor_unit_x,
double *  minor_unit_y 
) [inline, static]

Referenced by ScaleResampleFilter().

MagickExport ResampleFilter* DestroyResampleFilter ( ResampleFilter resample_filter  ) 
MagickExport MagickBooleanType ResamplePixelColor ( ResampleFilter resample_filter,
const double  u0,
const double  v0,
MagickPixelPacket pixel 
)

References _ResampleFilter::A, AcquireVirtualCacheView(), _ResampleFilter::average_defined, _ResampleFilter::average_pixel, AverageInterpolatePixel, _ResampleFilter::B, _Image::background_color, BackgroundVirtualPixelMethod, BlackVirtualPixelMethod, _PixelPacket::blue, _MagickPixelPacket::blue, BoxFilter, _ResampleFilter::C, CheckerTileVirtualPixelMethod, ClampToQuantum(), CMYKColorspace, _MagickPixelPacket::colorspace, _Image::columns, ConstantVirtualPixelMethod, DestroyCacheView(), DestroyImage(), DitherVirtualPixelMethod, _ResampleFilter::do_interpolate, EdgeVirtualPixelMethod, _Image::exception, _ResampleFilter::exception, _ResampleFilter::filter_lut, FormatLocaleFile(), GetCacheViewAuthenticIndexQueue(), GetCacheViewVirtualIndexQueue(), GetCacheViewVirtualPixels(), GetMagickPixelPacket(), GetResizeFilterWeight(), GrayVirtualPixelMethod, _PixelPacket::green, _MagickPixelPacket::green, HorizontalTileEdgeVirtualPixelMethod, HorizontalTileVirtualPixelMethod, _ResampleFilter::image, _MagickPixelPacket::index, IntegerInterpolatePixel, _ResampleFilter::interpolate, InterpolateMagickPixelPacket(), _ResampleFilter::limit_reached, MagickCoreSignature, MagickEpsilon, MagickFalse, MagickTrue, MaskVirtualPixelMethod, _MagickPixelPacket::matte, MirrorVirtualPixelMethod, _PixelPacket::opacity, _MagickPixelPacket::opacity, QuantumRange, QuantumScale, RandomVirtualPixelMethod, _PixelPacket::red, _MagickPixelPacket::red, ResizeImage(), _Image::rows, SetMagickPixelPacket(), _ResampleFilter::signature, _ResampleFilter::slope, TileVirtualPixelMethod, TransparentVirtualPixelMethod, _ResampleFilter::Ulimit, UndefinedVirtualPixelMethod, _ResampleFilter::Uwidth, VerticalTileEdgeVirtualPixelMethod, VerticalTileVirtualPixelMethod, _ResampleFilter::view, _ResampleFilter::virtual_pixel, _ResampleFilter::Vlimit, WhiteVirtualPixelMethod, and WLUT_WIDTH.

Referenced by CompositeImageChannel(), and DistortImage().

MagickExport void ScaleResampleFilter ( ResampleFilter resample_filter,
const double  dux,
const double  duy,
const double  dvx,
const double  dvy 
)
MagickExport void SetResampleFilter ( ResampleFilter resample_filter,
const FilterTypes  filter,
const double  blur 
)
MagickExport MagickBooleanType SetResampleFilterInterpolateMethod ( ResampleFilter resample_filter,
const InterpolatePixelMethod  method 
)
MagickExport MagickBooleanType SetResampleFilterVirtualPixelMethod ( ResampleFilter resample_filter,
const VirtualPixelMethod  method 
)

Generated on 2 Dec 2019 for MagickCore by  doxygen 1.6.1