% June 2007 %
% %
% %
-% Copyright 1999-2011 ImageMagick Studio LLC, a non-profit organization %
+% Copyright 1999-2012 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/option.h"
#include "MagickCore/pixel.h"
#include "MagickCore/pixel-accessor.h"
+#include "MagickCore/pixel-private.h"
#include "MagickCore/resample.h"
#include "MagickCore/resample-private.h"
#include "MagickCore/registry.h"
+#include "MagickCore/resource_.h"
#include "MagickCore/semaphore.h"
#include "MagickCore/shear.h"
#include "MagickCore/string_.h"
/* From "Digital Image Warping" by George Wolberg, page 50 */
double determinant;
- determinant=1.0/(coeff[0]*coeff[4]-coeff[1]*coeff[3]);
+ determinant=MagickEpsilonReciprocal(coeff[0]*coeff[4]-coeff[1]*coeff[3]);
inverse[0]=determinant*coeff[4];
inverse[1]=determinant*(-coeff[1]);
inverse[2]=determinant*(coeff[1]*coeff[5]-coeff[2]*coeff[4]);
/* From "Digital Image Warping" by George Wolberg, page 53 */
double determinant;
- determinant=1.0/(coeff[0]*coeff[4]-coeff[3]*coeff[1]);
+ determinant=MagickEpsilonReciprocal(coeff[0]*coeff[4]-coeff[3]*coeff[1]);
inverse[0]=determinant*(coeff[4]-coeff[7]*coeff[5]);
inverse[1]=determinant*(coeff[7]*coeff[2]-coeff[1]);
inverse[2]=determinant*(coeff[1]*coeff[5]-coeff[4]*coeff[2]);
{
#define DistortResizeImageTag "Distort/Image"
+ double
+ distort_args[12];
+
Image
*resize_image,
*tmp_image;
RectangleInfo
crop_area;
- double
- distort_args[12];
-
VirtualPixelMethod
vp_save;
return((Image *) NULL);
/* Do not short-circuit this resize if final image size is unchanged */
- (void) SetImageVirtualPixelMethod(image,TransparentVirtualPixelMethod);
-
(void) ResetMagickMemory(distort_args,0,12*sizeof(double));
distort_args[4]=(double) image->columns;
distort_args[6]=(double) columns;
tmp_image=CloneImage(image,0,0,MagickTrue,exception);
if ( tmp_image == (Image *) NULL )
return((Image *) NULL);
- (void) SetImageVirtualPixelMethod(tmp_image,TransparentVirtualPixelMethod);
+ (void) SetImageVirtualPixelMethod(tmp_image,TransparentVirtualPixelMethod,
+ exception);
if (image->matte == MagickFalse)
{
}
else
{
- ChannelType
- channel_mask;
-
- Image
- *resize_alpha;
-
/*
Image has transparency so handle colors and alpha separatly.
Basically we need to separate Virtual-Pixel alpha in the resized
distort alpha channel separately
*/
- channel_mask=SetPixelChannelMask(tmp_image,AlphaChannel);
- (void) SeparateImage(tmp_image,exception);
- SetPixelChannelMap(tmp_image,channel_mask);
+ Image
+ *resize_alpha;
+
+ (void) SetImageAlphaChannel(tmp_image,ExtractAlphaChannel,exception);
(void) SetImageAlphaChannel(tmp_image,OpaqueAlphaChannel,exception);
resize_alpha=DistortImage(tmp_image,AffineDistortion,12,distort_args,
MagickTrue,exception),
if ( tmp_image == (Image *) NULL )
return((Image *) NULL);
(void) SetImageVirtualPixelMethod(tmp_image,
- TransparentVirtualPixelMethod);
+ TransparentVirtualPixelMethod,exception);
resize_image=DistortImage(tmp_image,AffineDistortion,12,distort_args,
MagickTrue,exception),
tmp_image=DestroyImage(tmp_image);
exception);
(void) SetImageAlphaChannel(resize_alpha,DeactivateAlphaChannel,
exception);
- (void) CompositeImage(resize_image,CopyOpacityCompositeOp,resize_alpha,
- 0,0,exception);
+ (void) CompositeImage(resize_image,resize_alpha,CopyAlphaCompositeOp,
+ MagickTrue,0,0,exception);
resize_alpha=DestroyImage(resize_alpha);
}
- (void) SetImageVirtualPixelMethod(resize_image,vp_save);
+ (void) SetImageVirtualPixelMethod(resize_image,vp_save,exception);
/*
Clean up the results of the Distortion
s.x = (double) image->page.x;
s.y = (double) image->page.y;
scale=inverse[6]*s.x+inverse[7]*s.y+1.0;
- scale=1.0/( (fabs(scale) <= MagickEpsilon) ? 1.0 : scale );
+ scale=MagickEpsilonReciprocal(scale);
d.x = scale*(inverse[0]*s.x+inverse[1]*s.y+inverse[2]);
d.y = scale*(inverse[3]*s.x+inverse[4]*s.y+inverse[5]);
InitalBounds(d);
s.x = (double) image->page.x+image->columns;
s.y = (double) image->page.y;
scale=inverse[6]*s.x+inverse[7]*s.y+1.0;
- scale=1.0/( (fabs(scale) <= MagickEpsilon) ? 1.0 : scale );
+ scale=MagickEpsilonReciprocal(scale);
d.x = scale*(inverse[0]*s.x+inverse[1]*s.y+inverse[2]);
d.y = scale*(inverse[3]*s.x+inverse[4]*s.y+inverse[5]);
ExpandBounds(d);
s.x = (double) image->page.x;
s.y = (double) image->page.y+image->rows;
scale=inverse[6]*s.x+inverse[7]*s.y+1.0;
- scale=1.0/( (fabs(scale) <= MagickEpsilon) ? 1.0 : scale );
+ scale=MagickEpsilonReciprocal(scale);
d.x = scale*(inverse[0]*s.x+inverse[1]*s.y+inverse[2]);
d.y = scale*(inverse[3]*s.x+inverse[4]*s.y+inverse[5]);
ExpandBounds(d);
s.x = (double) image->page.x+image->columns;
s.y = (double) image->page.y+image->rows;
scale=inverse[6]*s.x+inverse[7]*s.y+1.0;
- scale=1.0/( (fabs(scale) <= MagickEpsilon) ? 1.0 : scale );
+ scale=MagickEpsilonReciprocal(scale);
d.x = scale*(inverse[0]*s.x+inverse[1]*s.y+inverse[2]);
d.y = scale*(inverse[3]*s.x+inverse[4]*s.y+inverse[5]);
ExpandBounds(d);
{ const char *artifact=GetImageArtifact(image,"distort:viewport");
viewport_given = MagickFalse;
if ( artifact != (const char *) NULL ) {
- (void) ParseAbsoluteGeometry(artifact,&geometry);
- viewport_given = MagickTrue;
+ MagickStatusType flags=ParseAbsoluteGeometry(artifact,&geometry);
+ if (flags==NoValue)
+ (void) ThrowMagickException(exception,GetMagickModule(),
+ OptionWarning,"InvalidSetting","'%s' '%s'",
+ "distort:viewport",artifact);
+ else
+ viewport_given = MagickTrue;
}
}
/* Verbose output */
- if ( GetImageArtifact(image,"verbose") != (const char *) NULL ) {
+ if ( IfStringTrue(GetImageArtifact(image,"verbose")) ) {
register ssize_t
i;
char image_gen[MaxTextExtent];
output_scaling = 1.0;
if (artifact != (const char *) NULL) {
output_scaling = fabs(StringToDouble(artifact,(char **) NULL));
- geometry.width *= (size_t) output_scaling;
- geometry.height *= (size_t) output_scaling;
- geometry.x *= (ssize_t) output_scaling;
- geometry.y *= (ssize_t) output_scaling;
+ geometry.width=(size_t) (output_scaling*geometry.width+0.5);
+ geometry.height=(size_t) (output_scaling*geometry.height+0.5);
+ geometry.x=(ssize_t) (output_scaling*geometry.x+0.5);
+ geometry.y=(ssize_t) (output_scaling*geometry.y+0.5);
if ( output_scaling < 0.1 ) {
coeff = (double *) RelinquishMagickMemory(coeff);
(void) ThrowMagickException(exception,GetMagickModule(),OptionError,
distort_image=DestroyImage(distort_image);
return((Image *) NULL);
}
+ if ((IsPixelInfoGray(&distort_image->background_color) == MagickFalse) &&
+ (IsGrayColorspace(distort_image->colorspace) != MagickFalse))
+ (void) TransformImageColorspace(distort_image,RGBColorspace,exception);
+ if (distort_image->background_color.matte != MagickFalse)
+ distort_image->matte=MagickTrue;
distort_image->page.x=geometry.x;
distort_image->page.y=geometry.y;
- if (distort_image->background_color.alpha != OpaqueAlpha)
- distort_image->matte=MagickTrue;
{ /* ----- MAIN CODE -----
Sample the source image to each pixel in the distort image.
GetPixelInfo(distort_image,&zero);
resample_filter=AcquireResampleFilterThreadSet(image,
UndefinedVirtualPixelMethod,MagickFalse,exception);
- distort_view=AcquireCacheView(distort_image);
+ distort_view=AcquireAuthenticCacheView(distort_image,exception);
#if defined(MAGICKCORE_OPENMP_SUPPORT)
- #pragma omp parallel for schedule(dynamic,4) shared(progress,status)
+ #pragma omp parallel for schedule(static,4) shared(progress,status) \
+ dynamic_number_threads(image,image->columns,image->rows,1)
#endif
for (j=0; j < (ssize_t) distort_image->rows; j++)
{
}
else {
/* resample the source image to find its correct color */
- (void) ResamplePixelColor(resample_filter[id],s.x,s.y,&pixel);
+ (void) ResamplePixelColor(resample_filter[id],s.x,s.y,&pixel,
+ exception);
/* if validity between 0.0 and 1.0 mix result with invalid pixel */
if ( validity < 1.0 ) {
/* Do a blend of sample color and invalid pixel */
proceed;
#if defined(MAGICKCORE_OPENMP_SUPPORT)
- #pragma omp critical (MagickCore_DistortImage)
+ #pragma omp critical (MagickCore_DistortImage)
#endif
proceed=SetImageProgress(image,DistortImageTag,progress++,
image->rows);
ExceptionInfo *exception)
{
Image
+ *distort_image,
*rotate_image;
- MagickRealType
+ double
angle;
PointInfo
size_t
rotations;
- VirtualPixelMethod
- method;
-
/*
Adjust rotation angle.
*/
shear.y=sin((double) DegreesToRadians(angle));
if ((fabs(shear.x) < MagickEpsilon) && (fabs(shear.y) < MagickEpsilon))
return(IntegralRotateImage(image,rotations,exception));
- method=SetImageVirtualPixelMethod(image,BackgroundVirtualPixelMethod);
- rotate_image=DistortImage(image,ScaleRotateTranslateDistortion,1,°rees,
- MagickTrue,exception);
- method=SetImageVirtualPixelMethod(image,method);
+ distort_image=CloneImage(image,0,0,MagickTrue,exception);
+ if (distort_image == (Image *) NULL)
+ return((Image *) NULL);
+ (void) SetImageVirtualPixelMethod(distort_image,BackgroundVirtualPixelMethod,
+ exception);
+ rotate_image=DistortImage(distort_image,ScaleRotateTranslateDistortion,1,
+ °rees,MagickTrue,exception);
+ distort_image=DestroyImage(distort_image);
return(rotate_image);
}
\f
}
/* Verbose output */
- if ( GetImageArtifact(image,"verbose") != (const char *) NULL ) {
+ if ( IfStringTrue(GetImageArtifact(image,"verbose")) ) {
switch (sparse_method) {
case BarycentricColorInterpolate:
status=MagickTrue;
progress=0;
- sparse_view=AcquireCacheView(sparse_image);
+ sparse_view=AcquireAuthenticCacheView(sparse_image,exception);
#if defined(MAGICKCORE_OPENMP_SUPPORT)
- #pragma omp parallel for schedule(dynamic,4) shared(progress,status)
+ #pragma omp parallel for schedule(static,4) shared(progress,status) \
+ dynamic_number_threads(image,image->columns,image->rows,1)
#endif
for (j=0; j < (ssize_t) sparse_image->rows; j++)
{
proceed;
#if defined(MAGICKCORE_OPENMP_SUPPORT)
- #pragma omp critical (MagickCore_SparseColorImage)
+ #pragma omp critical (MagickCore_SparseColorImage)
#endif
proceed=SetImageProgress(image,SparseColorTag,progress++,image->rows);
if (proceed == MagickFalse)
projects / imagemagick / blobdiff