% MagickCore Image Distortion Methods %
% %
% Software Design %
-% John Cristy %
+% Cristy %
% Anthony Thyssen %
% June 2007 %
% %
% %
-% Copyright 1999-2013 ImageMagick Studio LLC, a non-profit organization %
+% Copyright 1999-2014 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 %
#include "MagickCore/artifact.h"
#include "MagickCore/cache.h"
#include "MagickCore/cache-view.h"
+#include "MagickCore/channel.h"
#include "MagickCore/colorspace-private.h"
#include "MagickCore/composite-private.h"
#include "MagickCore/distort.h"
inverse[7]=determinant*(coeff[6]*coeff[1]-coeff[0]*coeff[7]);
}
-static inline double MagickRound(double x)
-{
- /*
- Round the fraction to nearest integer.
- */
- if (x >= 0.0)
- return((double) ((ssize_t) (x+0.5)));
- return((double) ((ssize_t) (x-0.5)));
-}
-
/*
* Polynomial Term Defining Functions
*
% outside other MagickCore library methods.
*/
+static inline double MagickRound(double x)
+{
+ /*
+ Round the fraction to nearest integer.
+ */
+ if ((x-floor(x)) < (ceil(x)-x))
+ return(floor(x));
+ return(ceil(x));
+}
+
static double *GenerateCoefficients(const Image *image,
DistortImageMethod *method,const size_t number_arguments,
const double *arguments,size_t number_values,ExceptionInfo *exception)
number_coeff=10;
break;
default:
- assert(! "Unknown Method Given"); /* just fail assertion */
+ perror("unknown method given"); /* just fail assertion */
}
/* allocate the array of coefficients needed */
break;
}
/* you should never reach this point */
- assert(! "No Method Handler"); /* just fail assertion */
+ perror("no method handler"); /* just fail assertion */
return((double *) NULL);
}
\f
return((Image *) NULL);
(void) SetImageVirtualPixelMethod(tmp_image,TransparentVirtualPixelMethod,
exception);
+ tmp_image->image_info=image->image_info; /* preserve global options */
if (image->alpha_trait != BlendPixelTrait)
{
tmp_image=CloneImage(image,0,0,MagickTrue,exception);
if ( tmp_image == (Image *) NULL )
return((Image *) NULL);
+ tmp_image->image_info=image->image_info; /* preserve global options */
(void) SetImageVirtualPixelMethod(tmp_image,
TransparentVirtualPixelMethod,exception);
resize_image=DistortImage(tmp_image,AffineDistortion,12,distort_args,
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
-
/*
Handle Special Compound Distortions
*/
(void) FormatLocaleFile(stderr, " c%.20g = %+lf\n", (double) i, coeff[i]);
(void) FormatLocaleFile(stderr, "DePolar Distort, FX Equivelent:\n");
(void) FormatLocaleFile(stderr, "%s", image_gen);
- (void) FormatLocaleFile(stderr, " -fx 'aa=(i+.5)*%lf %+lf;\n", coeff[6], -coeff[4] );
+ (void) FormatLocaleFile(stderr, " -fx 'aa=(i+.5)*%lf %+lf;\n", coeff[6], +coeff[4] );
(void) FormatLocaleFile(stderr, " rr=(j+.5)*%lf %+lf;\n", coeff[7], +coeff[1] );
(void) FormatLocaleFile(stderr, " xx=rr*sin(aa) %+lf;\n", coeff[2] );
(void) FormatLocaleFile(stderr, " yy=rr*cos(aa) %+lf;\n", coeff[3] );
}
if ((IsPixelInfoGray(&distort_image->background_color) == MagickFalse) &&
(IsGrayColorspace(distort_image->colorspace) != MagickFalse))
- (void) TransformImageColorspace(distort_image,RGBColorspace,exception);
+ (void) SetImageColorspace(distort_image,sRGBColorspace,exception);
if (distort_image->background_color.alpha_trait == BlendPixelTrait)
distort_image->alpha_trait=BlendPixelTrait;
distort_image->page.x=geometry.x;
GetPixelInfo(distort_image,&zero);
resample_filter=AcquireResampleFilterThreadSet(image,
UndefinedVirtualPixelMethod,MagickFalse,exception);
- distort_view=AcquireAuthenticCacheView(distort_image);
+ distort_view=AcquireAuthenticCacheView(distort_image,exception);
#if defined(MAGICKCORE_OPENMP_SUPPORT)
#pragma omp parallel for schedule(static,4) shared(progress,status) \
- dynamic_number_threads(image,image->columns,image->rows,1)
+ magick_threads(image,distort_image,distort_image->rows,1)
#endif
for (j=0; j < (ssize_t) distort_image->rows; j++)
{
case DePolarDistortion:
{ /* @D Polar to Carteasain */
/* ignore all destination virtual offsets */
- d.x = ((double)i+0.5)*output_scaling*coeff[6]-coeff[4];
+ d.x = ((double)i+0.5)*output_scaling*coeff[6]+coeff[4];
d.y = ((double)j+0.5)*output_scaling*coeff[7]+coeff[1];
s.x = d.y*sin(d.x) + coeff[2];
s.y = d.y*cos(d.x) + coeff[3];
status=MagickTrue;
progress=0;
- sparse_view=AcquireAuthenticCacheView(sparse_image);
+ sparse_view=AcquireAuthenticCacheView(sparse_image,exception);
#if defined(MAGICKCORE_OPENMP_SUPPORT)
#pragma omp parallel for schedule(static,4) shared(progress,status) \
- dynamic_number_threads(image,image->columns,image->rows,1)
+ magick_threads(image,sparse_image,sparse_image->rows,1)
#endif
for (j=0; j < (ssize_t) sparse_image->rows; j++)
{
}
case VoronoiColorInterpolate:
default:
- { /* Just use the closest control point you can find! */
+ {
size_t
k;
+
double
- minimum = MagickHuge;
+ minimum = MagickMaximumValue;
- for(k=0; k<number_arguments; k+=2+number_colors) {
+ /*
+ Just use the closest control point you can find!
+ */
+ for (k=0; k<number_arguments; k+=2+number_colors) {
double distance =
((double)i-arguments[ k ])*((double)i-arguments[ k ])
+ ((double)j-arguments[k+1])*((double)j-arguments[k+1]);
projects / imagemagick / blobdiff