if (p == (const Quantum *) NULL)
break;
center=(ssize_t) GetPixelChannels(image)*(width-j)*
- ((width-j)/2L)+GetPixelChannels(image)*((width-j)/2);
+ ((width-j)/2L)+GetPixelChannels(image)*((width-j)/2L);
for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
{
MagickRealType
continue;
if ((blur_traits & CopyPixelTrait) != 0)
{
- q[channel]=p[center+i];
+ SetPixelChannel(blur_image,channel,p[center+i],q);
continue;
}
k=kernel[j];
}
}
gamma=1.0/(fabs((double) gamma) <= MagickEpsilon ? 1.0 : gamma);
- q[channel]=ClampToQuantum(gamma*pixel);
+ SetPixelChannel(blur_image,channel,ClampToQuantum(gamma*pixel),q);
continue;
}
/*
}
}
gamma=1.0/(fabs((double) gamma) <= MagickEpsilon ? 1.0 : gamma);
- q[channel]=ClampToQuantum(gamma*pixel);
+ SetPixelChannel(blur_image,channel,ClampToQuantum(gamma*pixel),q);
}
q+=GetPixelChannels(blur_image);
r+=GetPixelChannels(edge_image);
continue;
if ((sharp_traits & CopyPixelTrait) != 0)
{
- q[channel]=p[center+i];
+ SetPixelChannel(sharp_image,channel,p[center+i],q);
continue;
}
k=kernel[j];
}
}
gamma=1.0/(fabs((double) gamma) <= MagickEpsilon ? 1.0 : gamma);
- q[channel]=ClampToQuantum(gamma*pixel);
+ SetPixelChannel(sharp_image,channel,ClampToQuantum(gamma*pixel),q);
continue;
}
/*
}
}
gamma=1.0/(fabs((double) gamma) <= MagickEpsilon ? 1.0 : gamma);
- q[channel]=ClampToQuantum(gamma*pixel);
+ SetPixelChannel(sharp_image,channel,ClampToQuantum(gamma*pixel),q);
}
q+=GetPixelChannels(sharp_image);
r+=GetPixelChannels(edge_image);
continue;
if ((blur_traits & CopyPixelTrait) != 0)
{
- q[channel]=p[center+i];
+ SetPixelChannel(blur_image,channel,p[center+i],q);
continue;
}
k=kernel;
k++;
pixels+=GetPixelChannels(image);
}
- q[channel]=ClampToQuantum(pixel);
+ SetPixelChannel(blur_image,channel,ClampToQuantum(pixel),q);
continue;
}
/*
pixels+=GetPixelChannels(image);
}
gamma=1.0/(fabs((double) gamma) <= MagickEpsilon ? 1.0 : gamma);
- q[channel]=ClampToQuantum(gamma*pixel);
+ SetPixelChannel(blur_image,channel,ClampToQuantum(gamma*pixel),q);
}
p+=GetPixelChannels(image);
q+=GetPixelChannels(blur_image);
continue;
if ((blur_traits & CopyPixelTrait) != 0)
{
- q[channel]=p[center+i];
+ SetPixelChannel(blur_image,channel,p[center+i],q);
continue;
}
k=kernel;
k++;
pixels+=GetPixelChannels(blur_image);
}
- q[channel]=ClampToQuantum(pixel);
+ SetPixelChannel(blur_image,channel,ClampToQuantum(pixel),q);
continue;
}
/*
pixels+=GetPixelChannels(blur_image);
}
gamma=1.0/(fabs((double) gamma) <= MagickEpsilon ? 1.0 : gamma);
- q[channel]=ClampToQuantum(gamma*pixel);
+ SetPixelChannel(blur_image,channel,ClampToQuantum(gamma*pixel),q);
}
p+=GetPixelChannels(blur_image);
q+=GetPixelChannels(blur_image);
}
message=DestroyString(message);
}
+ status=AccelerateConvolveImage(image,kernel_info,convolve_image,exception);
+ if (status == MagickTrue)
+ return(convolve_image);
/*
Convolve image.
*/
center=(ssize_t) GetPixelChannels(image)*(image->columns+kernel_info->width)*
- (kernel_info->height/2L)+GetPixelChannels(image)*(kernel_info->width/2);
+ (kernel_info->height/2L)+GetPixelChannels(image)*(kernel_info->width/2L);
status=MagickTrue;
progress=0;
image_view=AcquireCacheView(image);
continue;
if ((convolve_traits & CopyPixelTrait) != 0)
{
- q[channel]=p[center+i];
+ SetPixelChannel(convolve_image,channel,p[center+i],q);
continue;
}
k=kernel_info->values;
}
pixels+=image->columns*GetPixelChannels(image);
}
- q[channel]=ClampToQuantum(pixel);
+ SetPixelChannel(convolve_image,channel,ClampToQuantum(pixel),q);
continue;
}
/*
pixels+=image->columns*GetPixelChannels(image);
}
gamma=1.0/(fabs((double) gamma) <= MagickEpsilon ? 1.0 : gamma);
- q[channel]=ClampToQuantum(gamma*pixel);
+ SetPixelChannel(convolve_image,channel,ClampToQuantum(gamma*pixel),q);
}
p+=GetPixelChannels(image);
q+=GetPixelChannels(convolve_image);
MagickBooleanType
status;
- register ssize_t
- i;
-
Quantum
*restrict buffers,
*restrict pixels;
+ register ssize_t
+ i;
+
size_t
- length,
- number_channels;
+ length;
static const ssize_t
X[4] = {0, 1, 1,-1},
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
- despeckle_image=CloneImage(image,image->columns,image->rows,MagickTrue,
- exception);
+ despeckle_image=CloneImage(image,0,0,MagickTrue,exception);
if (despeckle_image == (Image *) NULL)
return((Image *) NULL);
- if (SetImageStorageClass(despeckle_image,DirectClass,exception) == MagickFalse)
+ status=SetImageStorageClass(despeckle_image,DirectClass,exception);
+ if (status == MagickFalse)
{
despeckle_image=DestroyImage(despeckle_image);
return((Image *) NULL);
Reduce speckle in the image.
*/
status=MagickTrue;
- number_channels=(size_t) (image->colorspace == CMYKColorspace ? 5 : 4);
image_view=AcquireCacheView(image);
despeckle_view=AcquireCacheView(despeckle_image);
- for (i=0; i < (ssize_t) number_channels; i++)
+ for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
{
+ PixelChannel
+ channel;
+
+ PixelTrait
+ despeckle_traits,
+ traits;
+
register Quantum
*buffer,
*pixel;
if (status == MagickFalse)
continue;
+ traits=GetPixelChannelMapTraits(image,(PixelChannel) i);
+ channel=GetPixelChannelMapChannel(image,(PixelChannel) i);
+ despeckle_traits=GetPixelChannelMapTraits(despeckle_image,channel);
+ if ((traits == UndefinedPixelTrait) ||
+ (despeckle_traits == UndefinedPixelTrait))
+ continue;
+ if ((despeckle_traits & CopyPixelTrait) != 0)
+ continue;
pixel=pixels;
(void) ResetMagickMemory(pixel,0,length*sizeof(*pixel));
buffer=buffers;
p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception);
if (p == (const Quantum *) NULL)
- break;
+ {
+ status=MagickFalse;
+ continue;
+ }
j++;
for (x=0; x < (ssize_t) image->columns; x++)
{
- switch (i)
- {
- case 0: pixel[j]=GetPixelRed(image,p); break;
- case 1: pixel[j]=GetPixelGreen(image,p); break;
- case 2: pixel[j]=GetPixelBlue(image,p); break;
- case 3: pixel[j]=GetPixelAlpha(image,p); break;
- case 4: pixel[j]=GetPixelBlack(image,p); break;
- default: break;
- }
+ pixel[j++]=p[i];
p+=GetPixelChannels(image);
- j++;
}
j++;
}
q=GetCacheViewAuthenticPixels(despeckle_view,0,y,despeckle_image->columns,
1,exception);
if (q == (Quantum *) NULL)
- break;
+ {
+ status=MagickFalse;
+ continue;
+ }
j++;
for (x=0; x < (ssize_t) image->columns; x++)
{
- switch (i)
- {
- case 0: SetPixelRed(despeckle_image,pixel[j],q); break;
- case 1: SetPixelGreen(despeckle_image,pixel[j],q); break;
- case 2: SetPixelBlue(despeckle_image,pixel[j],q); break;
- case 3: SetPixelAlpha(despeckle_image,pixel[j],q); break;
- case 4: SetPixelBlack(despeckle_image,pixel[j],q); break;
- default: break;
- }
+ SetPixelChannel(despeckle_image,channel,pixel[j++],q);
q+=GetPixelChannels(despeckle_image);
- j++;
}
sync=SyncCacheViewAuthenticPixels(despeckle_view,exception);
if (sync == MagickFalse)
- {
- status=MagickFalse;
- break;
- }
+ status=MagickFalse;
j++;
}
if (image->progress_monitor != (MagickProgressMonitor) NULL)
proceed;
proceed=SetImageProgress(image,DespeckleImageTag,(MagickOffsetType) i,
- number_channels);
+ GetPixelChannels(image));
if (proceed == MagickFalse)
status=MagickFalse;
}
}
}
kernel_info->values[i/2]=(double) (width*width-1.0);
- kernel_info->bias=image->bias;
+ kernel_info->bias=image->bias; /* FUTURE: User bias on a edge image? */
edge_image=ConvolveImage(image,kernel_info,exception);
kernel_info=DestroyKernelInfo(kernel_info);
return(edge_image);
}
k--;
}
- kernel_info->bias=image->bias;
+ kernel_info->bias=image->bias; /* FUTURE: user bias on an edge image */
emboss_image=ConvolveImage(image,kernel_info,exception);
kernel_info=DestroyKernelInfo(kernel_info);
if (emboss_image != (Image *) NULL)
(void) ResetMagickMemory(kernel_info,0,sizeof(*kernel_info));
kernel_info->width=width;
kernel_info->height=width;
- kernel_info->bias=bias;
+ kernel_info->bias=bias; /* FUTURE: user bias on Gaussian Blur! non-sense */
kernel_info->signature=MagickSignature;
kernel_info->values=(double *) AcquireAlignedMemory(kernel_info->width,
kernel_info->width*sizeof(*kernel_info->values));
% The format of the MotionBlurImage method is:
%
% Image *MotionBlurImage(const Image *image,const double radius,
-% const double sigma,const double angle,ExceptionInfo *exception)
+% const double sigma,const double angle,const double bias,
+% ExceptionInfo *exception)
%
% A description of each parameter follows:
%
%
% o angle: Apply the effect along this angle.
%
+% o bias: the bias.
+%
% o exception: return any errors or warnings in this structure.
%
*/
return(kernel);
}
-MagickExport Image *MotionBlurImage(const Image *image,
- const double radius,const double sigma,const double angle,
+MagickExport Image *MotionBlurImage(const Image *image,const double radius,
+ const double sigma,const double angle,const double bias,
ExceptionInfo *exception)
{
CacheView
MagickOffsetType
progress;
- PixelInfo
- bias;
-
OffsetInfo
*offset;
kernel=(double *) RelinquishMagickMemory(kernel);
ThrowImageException(ResourceLimitError,"MemoryAllocationFailed");
}
- blur_image=CloneImage(image,0,0,MagickTrue,exception);
+ blur_image=CloneImage(image,image->columns,image->rows,MagickTrue,exception);
if (blur_image == (Image *) NULL)
{
kernel=(double *) RelinquishMagickMemory(kernel);
*/
status=MagickTrue;
progress=0;
- GetPixelInfo(image,&bias);
image_view=AcquireCacheView(image);
blur_view=AcquireCacheView(blur_image);
#if defined(MAGICKCORE_OPENMP_SUPPORT)
#endif
for (y=0; y < (ssize_t) image->rows; y++)
{
+ register const Quantum
+ *restrict p;
+
register Quantum
*restrict q;
if (status == MagickFalse)
continue;
+ p=GetCacheViewVirtualPixels(blur_view,0,y,image->columns,1,exception);
q=GetCacheViewAuthenticPixels(blur_view,0,y,blur_image->columns,1,
exception);
- if (q == (Quantum *) NULL)
+ if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL))
{
status=MagickFalse;
continue;
}
for (x=0; x < (ssize_t) image->columns; x++)
{
- PixelInfo
- qixel;
+ register ssize_t
+ i;
- PixelPacket
- pixel;
+ for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
+ {
+ MagickRealType
+ alpha,
+ gamma,
+ pixel;
- register double
- *restrict k;
+ PixelChannel
+ channel;
- register ssize_t
- i;
+ PixelTrait
+ blur_traits,
+ traits;
- k=kernel;
- qixel=bias;
- if (((GetPixelAlphaTraits(image) & UpdatePixelTrait) == 0) || (image->matte == MagickFalse))
- {
- for (i=0; i < (ssize_t) width; i++)
+ register const Quantum
+ *restrict r;
+
+ register double
+ *restrict k;
+
+ register ssize_t
+ j;
+
+ traits=GetPixelChannelMapTraits(image,(PixelChannel) i);
+ channel=GetPixelChannelMapChannel(image,(PixelChannel) i);
+ blur_traits=GetPixelChannelMapTraits(blur_image,channel);
+ if ((traits == UndefinedPixelTrait) ||
+ (blur_traits == UndefinedPixelTrait))
+ continue;
+ if ((blur_traits & CopyPixelTrait) != 0)
{
- (void) GetOneCacheViewVirtualPixel(image_view,x+offset[i].x,y+
- offset[i].y,&pixel,exception);
- qixel.red+=(*k)*pixel.red;
- qixel.green+=(*k)*pixel.green;
- qixel.blue+=(*k)*pixel.blue;
- qixel.alpha+=(*k)*pixel.alpha;
- if (image->colorspace == CMYKColorspace)
- qixel.black+=(*k)*pixel.black;
- k++;
+ SetPixelChannel(blur_image,channel,p[i],q);
+ continue;
}
- if ((GetPixelRedTraits(image) & UpdatePixelTrait) != 0)
- SetPixelRed(blur_image,
- ClampToQuantum(qixel.red),q);
- if ((GetPixelGreenTraits(image) & UpdatePixelTrait) != 0)
- SetPixelGreen(blur_image,
- ClampToQuantum(qixel.green),q);
- if ((GetPixelBlueTraits(image) & UpdatePixelTrait) != 0)
- SetPixelBlue(blur_image,
- ClampToQuantum(qixel.blue),q);
- if (((GetPixelBlackTraits(image) & UpdatePixelTrait) != 0) &&
- (image->colorspace == CMYKColorspace))
- SetPixelBlack(blur_image,
- ClampToQuantum(qixel.black),q);
- if ((GetPixelAlphaTraits(image) & UpdatePixelTrait) != 0)
- SetPixelAlpha(blur_image,
- ClampToQuantum(qixel.alpha),q);
- }
- else
- {
- MagickRealType
- alpha,
- gamma;
-
- alpha=0.0;
- gamma=0.0;
- for (i=0; i < (ssize_t) width; i++)
+ k=kernel;
+ pixel=bias;
+ if ((blur_traits & BlendPixelTrait) == 0)
{
- (void) GetOneCacheViewVirtualPixel(image_view,x+offset[i].x,y+
- offset[i].y,&pixel,exception);
- alpha=(MagickRealType) (QuantumScale*pixel.alpha);
- qixel.red+=(*k)*alpha*pixel.red;
- qixel.green+=(*k)*alpha*pixel.green;
- qixel.blue+=(*k)*alpha*pixel.blue;
- qixel.alpha+=(*k)*pixel.alpha;
- if (image->colorspace == CMYKColorspace)
- qixel.black+=(*k)*alpha*pixel.black;
- gamma+=(*k)*alpha;
- k++;
+ for (j=0; j < (ssize_t) width; j++)
+ {
+ r=GetCacheViewVirtualPixels(image_view,x+offset[j].x,y+
+ offset[j].y,1,1,exception);
+ if (r == (const Quantum *) NULL)
+ {
+ status=MagickFalse;
+ continue;
+ }
+ pixel+=(*k)*r[i];
+ k++;
+ }
+ SetPixelChannel(blur_image,channel,ClampToQuantum(pixel),q);
+ continue;
}
- gamma=1.0/(fabs((double) gamma) <= MagickEpsilon ? 1.0 : gamma);
- if ((GetPixelRedTraits(image) & UpdatePixelTrait) != 0)
- SetPixelRed(blur_image,
- ClampToQuantum(gamma*qixel.red),q);
- if ((GetPixelGreenTraits(image) & UpdatePixelTrait) != 0)
- SetPixelGreen(blur_image,
- ClampToQuantum(gamma*qixel.green),q);
- if ((GetPixelBlueTraits(image) & UpdatePixelTrait) != 0)
- SetPixelBlue(blur_image,
- ClampToQuantum(gamma*qixel.blue),q);
- if (((GetPixelBlackTraits(image) & UpdatePixelTrait) != 0) &&
- (image->colorspace == CMYKColorspace))
- SetPixelBlack(blur_image,
- ClampToQuantum(gamma*qixel.black),q);
- if ((GetPixelAlphaTraits(image) & UpdatePixelTrait) != 0)
- SetPixelAlpha(blur_image,
- ClampToQuantum(qixel.alpha),q);
+ alpha=0.0;
+ gamma=0.0;
+ for (j=0; j < (ssize_t) width; j++)
+ {
+ r=GetCacheViewVirtualPixels(image_view,x+offset[j].x,y+offset[j].y,1,
+ 1,exception);
+ if (r == (const Quantum *) NULL)
+ {
+ status=MagickFalse;
+ continue;
+ }
+ alpha=(MagickRealType) (QuantumScale*GetPixelAlpha(image,r));
+ pixel+=(*k)*alpha*r[i];
+ gamma+=(*k)*alpha;
+ k++;
}
+ gamma=1.0/(fabs((double) gamma) <= MagickEpsilon ? 1.0 : gamma);
+ SetPixelChannel(blur_image,channel,ClampToQuantum(gamma*pixel),q);
+ }
+ p+=GetPixelChannels(image);
q+=GetPixelChannels(blur_image);
}
if (SyncCacheViewAuthenticPixels(blur_view,exception) == MagickFalse)
break;
(void) SetImageProgressMonitor(thumbnail,(MagickProgressMonitor) NULL,
(void *) NULL);
- (void) SetImageProperty(thumbnail,"label",DefaultTileLabel);
+ (void) SetImageProperty(thumbnail,"label",DefaultTileLabel,exception);
if (i == (NumberTiles/2))
{
- (void) QueryColorDatabase("#dfdfdf",&thumbnail->matte_color,exception);
+ (void) QueryColorCompliance("#dfdfdf",AllCompliance,
+ &thumbnail->matte_color,exception);
AppendImageToList(&images,thumbnail);
continue;
}
}
case SharpenPreview:
{
+ /* FUTURE: user bias on sharpen! This is non-sensical! */
preview_image=SharpenImage(thumbnail,radius,sigma,image->bias,
exception);
(void) FormatLocaleString(label,MaxTextExtent,"sharpen %gx%g",
}
case BlurPreview:
{
+ /* FUTURE: user bias on blur! This is non-sensical! */
preview_image=BlurImage(thumbnail,radius,sigma,image->bias,exception);
(void) FormatLocaleString(label,MaxTextExtent,"blur %gx%g",radius,
sigma);
preview_image=CloneImage(thumbnail,0,0,MagickTrue,exception);
if (preview_image == (Image *) NULL)
break;
- (void) BilevelImage(thumbnail,
- (double) (percentage*((MagickRealType) QuantumRange+1.0))/100.0);
+ (void) BilevelImage(thumbnail,(double) (percentage*((MagickRealType)
+ QuantumRange+1.0))/100.0,exception);
(void) FormatLocaleString(label,MaxTextExtent,"threshold %g",
(double) (percentage*((MagickRealType) QuantumRange+1.0))/100.0);
break;
}
case SpreadPreview:
{
- preview_image=SpreadImage(thumbnail,radius,exception);
+ preview_image=SpreadImage(thumbnail,radius,thumbnail->interpolate,
+ exception);
(void) FormatLocaleString(label,MaxTextExtent,"spread %g",
radius+0.5);
break;
}
case SwirlPreview:
{
- preview_image=SwirlImage(thumbnail,degrees,exception);
+ preview_image=SwirlImage(thumbnail,degrees,image->interpolate,
+ exception);
(void) FormatLocaleString(label,MaxTextExtent,"swirl %g",degrees);
degrees+=45.0;
break;
case ImplodePreview:
{
degrees+=0.1f;
- preview_image=ImplodeImage(thumbnail,degrees,exception);
+ preview_image=ImplodeImage(thumbnail,degrees,image->interpolate,
+ exception);
(void) FormatLocaleString(label,MaxTextExtent,"implode %g",degrees);
break;
}
case WavePreview:
{
degrees+=5.0f;
- preview_image=WaveImage(thumbnail,0.5*degrees,2.0*degrees,exception);
+ preview_image=WaveImage(thumbnail,0.5*degrees,2.0*degrees,
+ image->interpolate,exception);
(void) FormatLocaleString(label,MaxTextExtent,"wave %gx%g",
0.5*degrees,2.0*degrees);
break;
}
case CharcoalDrawingPreview:
{
+ /* FUTURE: user bias on charcoal! This is non-sensical! */
preview_image=CharcoalImage(thumbnail,(double) radius,(double) sigma,
image->bias,exception);
(void) FormatLocaleString(label,MaxTextExtent,"charcoal %gx%g",
if (preview_image == (Image *) NULL)
break;
(void) DeleteImageProperty(preview_image,"label");
- (void) SetImageProperty(preview_image,"label",label);
+ (void) SetImageProperty(preview_image,"label",label,exception);
AppendImageToList(&images,preview_image);
proceed=SetImageProgress(image,PreviewImageTag,(MagickOffsetType) i,
NumberTiles);
% The format of the RadialBlurImage method is:
%
% Image *RadialBlurImage(const Image *image,const double angle,
-% ExceptionInfo *exception)
+% const double blur,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
%
% o angle: the angle of the radial blur.
%
+% o blur: the blur.
+%
% o exception: return any errors or warnings in this structure.
%
*/
MagickExport Image *RadialBlurImage(const Image *image,
- const double angle,ExceptionInfo *exception)
+ const double angle,const double bias,ExceptionInfo *exception)
{
CacheView
*blur_view,
MagickOffsetType
progress;
- PixelInfo
- bias;
-
MagickRealType
blur_radius,
*cos_theta,
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
- blur_image=CloneImage(image,0,0,MagickTrue,exception);
+ blur_image=CloneImage(image,image->columns,image->rows,MagickTrue,exception);
if (blur_image == (Image *) NULL)
return((Image *) NULL);
if (SetImageStorageClass(blur_image,DirectClass,exception) == MagickFalse)
*/
status=MagickTrue;
progress=0;
- GetPixelInfo(image,&bias);
image_view=AcquireCacheView(image);
blur_view=AcquireCacheView(blur_image);
#if defined(MAGICKCORE_OPENMP_SUPPORT)
#pragma omp parallel for schedule(dynamic,4) shared(progress,status)
#endif
- for (y=0; y < (ssize_t) blur_image->rows; y++)
+ for (y=0; y < (ssize_t) image->rows; y++)
{
+ register const Quantum
+ *restrict p;
+
register Quantum
*restrict q;
if (status == MagickFalse)
continue;
+ p=GetCacheViewVirtualPixels(blur_view,0,y,image->columns,1,exception);
q=GetCacheViewAuthenticPixels(blur_view,0,y,blur_image->columns,1,
exception);
- if (q == (Quantum *) NULL)
+ if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL))
{
status=MagickFalse;
continue;
}
- for (x=0; x < (ssize_t) blur_image->columns; x++)
+ for (x=0; x < (ssize_t) image->columns; x++)
{
- PixelInfo
- qixel;
-
MagickRealType
- normalize,
radius;
- PixelPacket
- pixel;
-
PointInfo
center;
if (step >= n)
step=n-1;
}
- normalize=0.0;
- qixel=bias;
- if (((GetPixelAlphaTraits(image) & UpdatePixelTrait) == 0) || (image->matte == MagickFalse))
- {
- for (i=0; i < (ssize_t) n; i+=(ssize_t) step)
+ for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
+ {
+ MagickRealType
+ gamma,
+ pixel;
+
+ PixelChannel
+ channel;
+
+ PixelTrait
+ blur_traits,
+ traits;
+
+ register const Quantum
+ *restrict r;
+
+ register ssize_t
+ j;
+
+ traits=GetPixelChannelMapTraits(image,(PixelChannel) i);
+ channel=GetPixelChannelMapChannel(image,(PixelChannel) i);
+ blur_traits=GetPixelChannelMapTraits(blur_image,channel);
+ if ((traits == UndefinedPixelTrait) ||
+ (blur_traits == UndefinedPixelTrait))
+ continue;
+ if ((blur_traits & CopyPixelTrait) != 0)
{
- (void) GetOneCacheViewVirtualPixel(image_view,(ssize_t)
- (blur_center.x+center.x*cos_theta[i]-center.y*sin_theta[i]+0.5),
- (ssize_t) (blur_center.y+center.x*sin_theta[i]+center.y*
- cos_theta[i]+0.5),&pixel,exception);
- qixel.red+=pixel.red;
- qixel.green+=pixel.green;
- qixel.blue+=pixel.blue;
- if (image->colorspace == CMYKColorspace)
- qixel.black+=pixel.black;
- qixel.alpha+=pixel.alpha;
- normalize+=1.0;
+ SetPixelChannel(blur_image,channel,p[i],q);
+ continue;
}
- normalize=1.0/(fabs((double) normalize) <= MagickEpsilon ? 1.0 :
- normalize);
- if ((GetPixelRedTraits(image) & UpdatePixelTrait) != 0)
- SetPixelRed(blur_image,
- ClampToQuantum(normalize*qixel.red),q);
- if ((GetPixelGreenTraits(image) & UpdatePixelTrait) != 0)
- SetPixelGreen(blur_image,
- ClampToQuantum(normalize*qixel.green),q);
- if ((GetPixelBlueTraits(image) & UpdatePixelTrait) != 0)
- SetPixelBlue(blur_image,
- ClampToQuantum(normalize*qixel.blue),q);
- if (((GetPixelBlackTraits(image) & UpdatePixelTrait) != 0) &&
- (image->colorspace == CMYKColorspace))
- SetPixelBlack(blur_image,
- ClampToQuantum(normalize*qixel.black),q);
- if ((GetPixelAlphaTraits(image) & UpdatePixelTrait) != 0)
- SetPixelAlpha(blur_image,
- ClampToQuantum(normalize*qixel.alpha),q);
- }
- else
- {
- MagickRealType
- alpha,
- gamma;
-
- alpha=1.0;
- gamma=0.0;
- for (i=0; i < (ssize_t) n; i+=(ssize_t) step)
+ gamma=0.0;
+ pixel=bias;
+ if ((blur_traits & BlendPixelTrait) == 0)
{
- (void) GetOneCacheViewVirtualPixel(image_view,(ssize_t)
- (blur_center.x+center.x*cos_theta[i]-center.y*sin_theta[i]+0.5),
- (ssize_t) (blur_center.y+center.x*sin_theta[i]+center.y*
- cos_theta[i]+0.5),&pixel,exception);
- alpha=(MagickRealType) (QuantumScale*pixel.alpha);
- qixel.red+=alpha*pixel.red;
- qixel.green+=alpha*pixel.green;
- qixel.blue+=alpha*pixel.blue;
- qixel.alpha+=pixel.alpha;
- if (image->colorspace == CMYKColorspace)
- qixel.black+=alpha*pixel.black;
- gamma+=alpha;
- normalize+=1.0;
+ for (j=0; j < (ssize_t) n; j+=(ssize_t) step)
+ {
+ r=GetCacheViewVirtualPixels(image_view, (ssize_t) (blur_center.x+
+ center.x*cos_theta[j]-center.y*sin_theta[j]+0.5),(ssize_t)
+ (blur_center.y+center.x*sin_theta[j]+center.y*cos_theta[j]+0.5),
+ 1,1,exception);
+ if (r == (const Quantum *) NULL)
+ {
+ status=MagickFalse;
+ continue;
+ }
+ pixel+=r[i];
+ gamma++;
+ }
+ gamma=1.0/(fabs((double) gamma) <= MagickEpsilon ? 1.0 : gamma);
+ SetPixelChannel(blur_image,channel,ClampToQuantum(gamma*pixel),q);
+ continue;
}
- gamma=1.0/(fabs((double) gamma) <= MagickEpsilon ? 1.0 : gamma);
- normalize=1.0/(fabs((double) normalize) <= MagickEpsilon ? 1.0 :
- normalize);
- if ((GetPixelRedTraits(image) & UpdatePixelTrait) != 0)
- SetPixelRed(blur_image,
- ClampToQuantum(gamma*qixel.red),q);
- if ((GetPixelGreenTraits(image) & UpdatePixelTrait) != 0)
- SetPixelGreen(blur_image,
- ClampToQuantum(gamma*qixel.green),q);
- if ((GetPixelBlueTraits(image) & UpdatePixelTrait) != 0)
- SetPixelBlue(blur_image,
- ClampToQuantum(gamma*qixel.blue),q);
- if (((GetPixelBlackTraits(image) & UpdatePixelTrait) != 0) &&
- (image->colorspace == CMYKColorspace))
- SetPixelBlack(blur_image,
- ClampToQuantum(gamma*qixel.black),q);
- if ((GetPixelAlphaTraits(image) & UpdatePixelTrait) != 0)
- SetPixelAlpha(blur_image,
- ClampToQuantum(normalize*qixel.alpha),q);
+ for (j=0; j < (ssize_t) n; j+=(ssize_t) step)
+ {
+ r=GetCacheViewVirtualPixels(image_view, (ssize_t) (blur_center.x+
+ center.x*cos_theta[j]-center.y*sin_theta[j]+0.5),(ssize_t)
+ (blur_center.y+center.x*sin_theta[j]+center.y*cos_theta[j]+0.5),
+ 1,1,exception);
+ if (r == (const Quantum *) NULL)
+ {
+ status=MagickFalse;
+ continue;
+ }
+ pixel+=GetPixelAlpha(image,r)*r[i];
+ gamma+=GetPixelAlpha(image,r);
}
+ gamma=1.0/(fabs((double) gamma) <= MagickEpsilon ? 1.0 : gamma);
+ SetPixelChannel(blur_image,channel,ClampToQuantum(gamma*pixel),q);
+ }
+ p+=GetPixelChannels(image);
q+=GetPixelChannels(blur_image);
}
if (SyncCacheViewAuthenticPixels(blur_view,exception) == MagickFalse)
% The format of the SelectiveBlurImage method is:
%
% Image *SelectiveBlurImage(const Image *image,const double radius,
-% const double sigma,const double threshold,ExceptionInfo *exception)
+% const double sigma,const double threshold,const double bias,
+% ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o threshold: only pixels within this contrast threshold are included
% in the blur operation.
%
+% o bias: the bias.
+%
% o exception: return any errors or warnings in this structure.
%
*/
MagickExport Image *SelectiveBlurImage(const Image *image,
const double radius,const double sigma,const double threshold,
- ExceptionInfo *exception)
+ const double bias,ExceptionInfo *exception)
{
#define SelectiveBlurImageTag "SelectiveBlur/Image"
MagickOffsetType
progress;
- PixelInfo
- bias;
-
register ssize_t
i;
width;
ssize_t
+ center,
j,
u,
v,
}
message=DestroyString(message);
}
- blur_image=CloneImage(image,0,0,MagickTrue,exception);
+ blur_image=CloneImage(image,image->columns,image->rows,MagickTrue,exception);
if (blur_image == (Image *) NULL)
return((Image *) NULL);
if (SetImageStorageClass(blur_image,DirectClass,exception) == MagickFalse)
*/
status=MagickTrue;
progress=0;
- GetPixelInfo(image,&bias);
- SetPixelInfoBias(image,&bias);
+ center=(ssize_t) (GetPixelChannels(image)*(image->columns+width)*(width/2L)+
+ GetPixelChannels(image)*(width/2L));
image_view=AcquireCacheView(image);
blur_view=AcquireCacheView(blur_image);
#if defined(MAGICKCORE_OPENMP_SUPPORT)
MagickBooleanType
sync;
- MagickRealType
- gamma;
-
register const Quantum
*restrict p;
}
for (x=0; x < (ssize_t) image->columns; x++)
{
- PixelInfo
- pixel;
+ register ssize_t
+ i;
- register const double
- *restrict k;
+ for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
+ {
+ MagickRealType
+ alpha,
+ gamma,
+ intensity,
+ pixel;
- register ssize_t
- u;
+ PixelChannel
+ channel;
- ssize_t
- j,
- v;
+ PixelTrait
+ blur_traits,
+ traits;
- pixel=bias;
- k=kernel;
- gamma=0.0;
- j=0;
- if (((GetPixelAlphaTraits(image) & UpdatePixelTrait) == 0) || (image->matte == MagickFalse))
- {
- for (v=0; v < (ssize_t) width; v++)
+ register const double
+ *restrict k;
+
+ register const Quantum
+ *restrict pixels;
+
+ register ssize_t
+ u;
+
+ ssize_t
+ v;
+
+ traits=GetPixelChannelMapTraits(image,(PixelChannel) i);
+ channel=GetPixelChannelMapChannel(image,(PixelChannel) i);
+ blur_traits=GetPixelChannelMapTraits(blur_image,channel);
+ if ((traits == UndefinedPixelTrait) ||
+ (blur_traits == UndefinedPixelTrait))
+ continue;
+ if ((blur_traits & CopyPixelTrait) != 0)
{
- for (u=0; u < (ssize_t) width; u++)
- {
- contrast=GetPixelIntensity(image,p+(u+j)*GetPixelChannels(image))-
- (double) GetPixelIntensity(blur_image,q);
- if (fabs(contrast) < threshold)
- {
- pixel.red+=(*k)*
- GetPixelRed(image,p+(u+j)*GetPixelChannels(image));
- pixel.green+=(*k)*
- GetPixelGreen(image,p+(u+j)*GetPixelChannels(image));
- pixel.blue+=(*k)*
- GetPixelBlue(image,p+(u+j)*GetPixelChannels(image));
- if (image->colorspace == CMYKColorspace)
- pixel.black+=(*k)*
- GetPixelBlack(image,p+(u+j)*GetPixelChannels(image));
- gamma+=(*k);
- k++;
- }
- }
- j+=(ssize_t) (image->columns+width);
+ SetPixelChannel(blur_image,channel,p[center+i],q);
+ continue;
}
- if (gamma != 0.0)
- {
- gamma=1.0/(fabs((double) gamma) <= MagickEpsilon ? 1.0 : gamma);
- if ((GetPixelRedTraits(image) & UpdatePixelTrait) != 0)
- SetPixelRed(blur_image,ClampToQuantum(gamma*pixel.red),q);
- if ((GetPixelGreenTraits(image) & UpdatePixelTrait) != 0)
- SetPixelGreen(blur_image,ClampToQuantum(gamma*pixel.green),q);
- if ((GetPixelBlueTraits(image) & UpdatePixelTrait) != 0)
- SetPixelBlue(blur_image,ClampToQuantum(gamma*pixel.blue),q);
- if (((GetPixelBlackTraits(image) & UpdatePixelTrait) != 0) &&
- (image->colorspace == CMYKColorspace))
- SetPixelBlack(blur_image,ClampToQuantum(gamma*pixel.black),q);
- }
- if ((GetPixelAlphaTraits(image) & UpdatePixelTrait) != 0)
+ k=kernel;
+ pixel=bias;
+ pixels=p;
+ intensity=(MagickRealType) GetPixelIntensity(image,p+center);
+ gamma=0.0;
+ if ((blur_traits & BlendPixelTrait) == 0)
+ {
+ for (v=0; v < (ssize_t) width; v++)
{
- gamma=0.0;
- j=0;
- for (v=0; v < (ssize_t) width; v++)
+ for (u=0; u < (ssize_t) width; u++)
{
- for (u=0; u < (ssize_t) width; u++)
- {
- contrast=GetPixelIntensity(image,p+(u+j)*
- GetPixelChannels(image))-(double)
- GetPixelIntensity(blur_image,q);
- if (fabs(contrast) < threshold)
- {
- pixel.alpha+=(*k)*
- GetPixelAlpha(image,p+(u+j)*GetPixelChannels(image));
- gamma+=(*k);
- k++;
- }
- }
- j+=(ssize_t) (image->columns+width);
+ contrast=GetPixelIntensity(image,pixels)-intensity;
+ if (fabs(contrast) < threshold)
+ {
+ pixel+=(*k)*pixels[i];
+ gamma+=(*k);
+ }
+ k++;
+ pixels+=GetPixelChannels(image);
}
- if (gamma != 0.0)
- {
- gamma=1.0/(fabs((double) gamma) <= MagickEpsilon ? 1.0 :
- gamma);
- SetPixelAlpha(blur_image,ClampToQuantum(gamma*pixel.alpha),q);
- }
+ pixels+=image->columns*GetPixelChannels(image);
}
- }
- else
+ if (fabs((double) gamma) < MagickEpsilon)
+ {
+ SetPixelChannel(blur_image,channel,p[center+i],q);
+ continue;
+ }
+ gamma=1.0/(fabs((double) gamma) <= MagickEpsilon ? 1.0 : gamma);
+ SetPixelChannel(blur_image,channel,ClampToQuantum(gamma*pixel),q);
+ continue;
+ }
+ for (v=0; v < (ssize_t) width; v++)
{
- MagickRealType
- alpha;
-
- for (v=0; v < (ssize_t) width; v++)
+ for (u=0; u < (ssize_t) width; u++)
{
- for (u=0; u < (ssize_t) width; u++)
- {
- contrast=GetPixelIntensity(image,p+(u+j)*
- GetPixelChannels(image))-(double)
- GetPixelIntensity(blur_image,q);
- if (fabs(contrast) < threshold)
- {
- alpha=(MagickRealType) (QuantumScale*
- GetPixelAlpha(image,p+(u+j)*GetPixelChannels(image)));
- pixel.red+=(*k)*alpha*
- GetPixelRed(image,p+(u+j)*GetPixelChannels(image));
- pixel.green+=(*k)*alpha*GetPixelGreen(image,p+(u+j)*
- GetPixelChannels(image));
- pixel.blue+=(*k)*alpha*GetPixelBlue(image,p+(u+j)*
- GetPixelChannels(image));
- pixel.alpha+=(*k)*GetPixelAlpha(image,p+(u+j)*
- GetPixelChannels(image));
- if (image->colorspace == CMYKColorspace)
- pixel.black+=(*k)*GetPixelBlack(image,p+(u+j)*
- GetPixelChannels(image));
- gamma+=(*k)*alpha;
- k++;
- }
- }
- j+=(ssize_t) (image->columns+width);
- }
- if (gamma != 0.0)
- {
- gamma=1.0/(fabs((double) gamma) <= MagickEpsilon ? 1.0 : gamma);
- if ((GetPixelRedTraits(image) & UpdatePixelTrait) != 0)
- SetPixelRed(blur_image,ClampToQuantum(gamma*pixel.red),q);
- if ((GetPixelGreenTraits(image) & UpdatePixelTrait) != 0)
- SetPixelGreen(blur_image,ClampToQuantum(gamma*pixel.green),q);
- if ((GetPixelBlueTraits(image) & UpdatePixelTrait) != 0)
- SetPixelBlue(blur_image,ClampToQuantum(gamma*pixel.blue),q);
- if (((GetPixelBlackTraits(image) & UpdatePixelTrait) != 0) &&
- (image->colorspace == CMYKColorspace))
- SetPixelBlack(blur_image,ClampToQuantum(gamma*pixel.black),q);
- }
- if ((GetPixelAlphaTraits(image) & UpdatePixelTrait) != 0)
- {
- gamma=0.0;
- j=0;
- for (v=0; v < (ssize_t) width; v++)
+ contrast=GetPixelIntensity(image,pixels)-intensity;
+ if (fabs(contrast) < threshold)
{
- for (u=0; u < (ssize_t) width; u++)
- {
- contrast=GetPixelIntensity(image,p+(u+j)*
- GetPixelChannels(image))-(double)
- GetPixelIntensity(blur_image,q);
- if (fabs(contrast) < threshold)
- {
- pixel.alpha+=(*k)*
- GetPixelAlpha(image,p+(u+j)*GetPixelChannels(image));
- gamma+=(*k);
- k++;
- }
- }
- j+=(ssize_t) (image->columns+width);
+ alpha=(MagickRealType) (QuantumScale*
+ GetPixelAlpha(image,pixels));
+ pixel+=(*k)*alpha*pixels[i];
+ gamma+=(*k)*alpha;
}
- if (gamma != 0.0)
- {
- gamma=1.0/(fabs((double) gamma) <= MagickEpsilon ? 1.0 :
- gamma);
- SetPixelAlpha(blur_image,ClampToQuantum(pixel.alpha),q);
- }
- }
+ k++;
+ pixels+=GetPixelChannels(image);
+ }
+ pixels+=image->columns*GetPixelChannels(image);
}
+ if (fabs((double) gamma) < MagickEpsilon)
+ {
+ SetPixelChannel(blur_image,channel,p[center+i],q);
+ continue;
+ }
+ gamma=1.0/(fabs((double) gamma) <= MagickEpsilon ? 1.0 : gamma);
+ SetPixelChannel(blur_image,channel,ClampToQuantum(gamma*pixel),q);
+ }
p+=GetPixelChannels(image);
q+=GetPixelChannels(blur_image);
}
normal;
register const Quantum
+ *restrict center,
*restrict p,
- *restrict s0,
- *restrict s1,
- *restrict s2;
+ *restrict post,
+ *restrict pre;
register Quantum
*restrict q;
Shade this row of pixels.
*/
normal.z=2.0*(double) QuantumRange; /* constant Z of surface normal */
- s0=p+GetPixelChannels(image);
- s1=s0+(image->columns+2)*GetPixelChannels(image);
- s2=s1+(image->columns+2)*GetPixelChannels(image);
+ pre=p+GetPixelChannels(image);
+ center=pre+(image->columns+2)*GetPixelChannels(image);
+ post=center+(image->columns+2)*GetPixelChannels(image);
for (x=0; x < (ssize_t) image->columns; x++)
{
+ register ssize_t
+ i;
+
/*
Determine the surface normal and compute shading.
*/
- normal.x=(double) (GetPixelIntensity(image,s0-GetPixelChannels(image))+
- GetPixelIntensity(image,s1-GetPixelChannels(image))+
- GetPixelIntensity(image,s2-GetPixelChannels(image))-
- GetPixelIntensity(image,s0+GetPixelChannels(image))-
- GetPixelIntensity(image,s1+GetPixelChannels(image))-
- GetPixelIntensity(image,s2+GetPixelChannels(image)));
- normal.y=(double) (GetPixelIntensity(image,s2-GetPixelChannels(image))+
- GetPixelIntensity(image,s2)+
- GetPixelIntensity(image,s2+GetPixelChannels(image))-
- GetPixelIntensity(image,s0-GetPixelChannels(image))-
- GetPixelIntensity(image,s0)-
- GetPixelIntensity(image,s0+GetPixelChannels(image)));
+ normal.x=(double) (GetPixelIntensity(image,pre-GetPixelChannels(image))+
+ GetPixelIntensity(image,center-GetPixelChannels(image))+
+ GetPixelIntensity(image,post-GetPixelChannels(image))-
+ GetPixelIntensity(image,pre+GetPixelChannels(image))-
+ GetPixelIntensity(image,center+GetPixelChannels(image))-
+ GetPixelIntensity(image,post+GetPixelChannels(image)));
+ normal.y=(double) (GetPixelIntensity(image,post-GetPixelChannels(image))+
+ GetPixelIntensity(image,post)+GetPixelIntensity(image,post+
+ GetPixelChannels(image))-GetPixelIntensity(image,pre-
+ GetPixelChannels(image))-GetPixelIntensity(image,pre)-
+ GetPixelIntensity(image,pre+GetPixelChannels(image)));
if ((normal.x == 0.0) && (normal.y == 0.0))
shade=light.z;
else
shade=distance/sqrt((double) normal_distance);
}
}
- if (gray != MagickFalse)
- {
- SetPixelRed(shade_image,ClampToQuantum(shade),q);
- SetPixelGreen(shade_image,ClampToQuantum(shade),q);
- SetPixelBlue(shade_image,ClampToQuantum(shade),q);
- }
- else
- {
- SetPixelRed(shade_image,ClampToQuantum(QuantumScale*shade*
- GetPixelRed(image,s1)),q);
- SetPixelGreen(shade_image,ClampToQuantum(QuantumScale*shade*
- GetPixelGreen(image,s1)),q);
- SetPixelBlue(shade_image,ClampToQuantum(QuantumScale*shade*
- GetPixelBlue(image,s1)),q);
- }
- SetPixelAlpha(shade_image,GetPixelAlpha(image,s1),q);
- s0+=GetPixelChannels(image);
- s1+=GetPixelChannels(image);
- s2+=GetPixelChannels(image);
+ for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
+ {
+ PixelChannel
+ channel;
+
+ PixelTrait
+ shade_traits,
+ traits;
+
+ traits=GetPixelChannelMapTraits(image,(PixelChannel) i);
+ channel=GetPixelChannelMapChannel(image,(PixelChannel) i);
+ shade_traits=GetPixelChannelMapTraits(shade_image,channel);
+ if ((traits == UndefinedPixelTrait) ||
+ (shade_traits == UndefinedPixelTrait))
+ continue;
+ if ((shade_traits & CopyPixelTrait) != 0)
+ {
+ SetPixelChannel(shade_image,channel,center[i],q);
+ continue;
+ }
+ if (gray != MagickFalse)
+ {
+ SetPixelChannel(shade_image,channel,ClampToQuantum(shade),q);
+ continue;
+ }
+ SetPixelChannel(shade_image,channel,ClampToQuantum(QuantumScale*shade*
+ center[i]),q);
+ }
+ pre+=GetPixelChannels(image);
+ center+=GetPixelChannels(image);
+ post+=GetPixelChannels(image);
q+=GetPixelChannels(shade_image);
}
if (SyncCacheViewAuthenticPixels(shade_view,exception) == MagickFalse)
(void) ResetMagickMemory(kernel_info,0,sizeof(*kernel_info));
kernel_info->width=width;
kernel_info->height=width;
- kernel_info->bias=bias;
+ kernel_info->bias=bias; /* FUTURE: user bias - non-sensical! */
kernel_info->signature=MagickSignature;
kernel_info->values=(double *) AcquireAlignedMemory(kernel_info->width,
kernel_info->width*sizeof(*kernel_info->values));
% The format of the SpreadImage method is:
%
% Image *SpreadImage(const Image *image,const double radius,
-% ExceptionInfo *exception)
+% const PixelInterpolateMethod method,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o image: the image.
%
-% o radius: Choose a random pixel in a neighborhood of this extent.
+% o radius: choose a random pixel in a neighborhood of this extent.
+%
+% o method: the pixel interpolation method.
%
% o exception: return any errors or warnings in this structure.
%
*/
MagickExport Image *SpreadImage(const Image *image,const double radius,
- ExceptionInfo *exception)
+ const PixelInterpolateMethod method,ExceptionInfo *exception)
{
#define SpreadImageTag "Spread/Image"
MagickOffsetType
progress;
- PixelInfo
- bias;
-
RandomInfo
**restrict random_info;
*/
status=MagickTrue;
progress=0;
- GetPixelInfo(spread_image,&bias);
width=GetOptimalKernelWidth1D(radius,0.5);
random_info=AcquireRandomInfoThreadSet();
image_view=AcquireCacheView(image);
#if defined(MAGICKCORE_OPENMP_SUPPORT)
#pragma omp parallel for schedule(dynamic,4) shared(progress,status) omp_throttle(1)
#endif
- for (y=0; y < (ssize_t) spread_image->rows; y++)
+ for (y=0; y < (ssize_t) image->rows; y++)
{
const int
id = GetOpenMPThreadId();
- PixelInfo
- pixel;
+ register const Quantum
+ *restrict p;
register Quantum
*restrict q;
if (status == MagickFalse)
continue;
+ p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception);
q=QueueCacheViewAuthenticPixels(spread_view,0,y,spread_image->columns,1,
exception);
- if (q == (Quantum *) NULL)
+ if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL))
{
status=MagickFalse;
continue;
}
- pixel=bias;
- for (x=0; x < (ssize_t) spread_image->columns; x++)
+ for (x=0; x < (ssize_t) image->columns; x++)
{
- (void) InterpolatePixelInfo(image,image_view,
- UndefinedInterpolatePixel,(double) x+width*(GetPseudoRandomValue(
- random_info[id])-0.5),(double) y+width*(GetPseudoRandomValue(
- random_info[id])-0.5),&pixel,exception);
- SetPixelPixelInfo(spread_image,&pixel,q);
+ PointInfo
+ point;
+
+ point.x=GetPseudoRandomValue(random_info[id]);
+ point.y=GetPseudoRandomValue(random_info[id]);
+ status=InterpolatePixelChannels(image,image_view,spread_image,method,
+ (double) x+width*point.x-0.5,(double) y+width*point.y-0.5,q,exception);
q+=GetPixelChannels(spread_image);
}
if (SyncCacheViewAuthenticPixels(spread_view,exception) == MagickFalse)
%
*/
-#define ListChannels 5
-
-typedef struct _ListNode
+typedef struct _SkipNode
{
size_t
next[9],
count,
signature;
-} ListNode;
+} SkipNode;
typedef struct _SkipList
{
ssize_t
level;
- ListNode
+ SkipNode
*nodes;
} SkipList;
{
size_t
length,
- seed,
- signature;
+ seed;
SkipList
- lists[ListChannels];
+ skip_list;
+
+ size_t
+ signature;
} PixelList;
static PixelList *DestroyPixelList(PixelList *pixel_list)
{
- register ssize_t
- i;
-
if (pixel_list == (PixelList *) NULL)
return((PixelList *) NULL);
- for (i=0; i < ListChannels; i++)
- if (pixel_list->lists[i].nodes != (ListNode *) NULL)
- pixel_list->lists[i].nodes=(ListNode *) RelinquishMagickMemory(
- pixel_list->lists[i].nodes);
+ if (pixel_list->skip_list.nodes != (SkipNode *) NULL)
+ pixel_list->skip_list.nodes=(SkipNode *) RelinquishMagickMemory(
+ pixel_list->skip_list.nodes);
pixel_list=(PixelList *) RelinquishMagickMemory(pixel_list);
return(pixel_list);
}
PixelList
*pixel_list;
- register ssize_t
- i;
-
pixel_list=(PixelList *) AcquireMagickMemory(sizeof(*pixel_list));
if (pixel_list == (PixelList *) NULL)
return(pixel_list);
(void) ResetMagickMemory((void *) pixel_list,0,sizeof(*pixel_list));
pixel_list->length=width*height;
- for (i=0; i < ListChannels; i++)
- {
- pixel_list->lists[i].nodes=(ListNode *) AcquireQuantumMemory(65537UL,
- sizeof(*pixel_list->lists[i].nodes));
- if (pixel_list->lists[i].nodes == (ListNode *) NULL)
- return(DestroyPixelList(pixel_list));
- (void) ResetMagickMemory(pixel_list->lists[i].nodes,0,65537UL*
- sizeof(*pixel_list->lists[i].nodes));
- }
+ pixel_list->skip_list.nodes=(SkipNode *) AcquireQuantumMemory(65537UL,
+ sizeof(*pixel_list->skip_list.nodes));
+ if (pixel_list->skip_list.nodes == (SkipNode *) NULL)
+ return(DestroyPixelList(pixel_list));
+ (void) ResetMagickMemory(pixel_list->skip_list.nodes,0,65537UL*
+ sizeof(*pixel_list->skip_list.nodes));
pixel_list->signature=MagickSignature;
return(pixel_list);
}
return(pixel_list);
}
-static void AddNodePixelList(PixelList *pixel_list,const ssize_t channel,
- const size_t color)
+static void AddNodePixelList(PixelList *pixel_list,const size_t color)
{
register SkipList
- *list;
+ *p;
register ssize_t
level;
/*
Initialize the node.
*/
- list=pixel_list->lists+channel;
- list->nodes[color].signature=pixel_list->signature;
- list->nodes[color].count=1;
+ p=(&pixel_list->skip_list);
+ p->nodes[color].signature=pixel_list->signature;
+ p->nodes[color].count=1;
/*
Determine where it belongs in the list.
*/
search=65536UL;
- for (level=list->level; level >= 0; level--)
+ for (level=p->level; level >= 0; level--)
{
- while (list->nodes[search].next[level] < color)
- search=list->nodes[search].next[level];
+ while (p->nodes[search].next[level] < color)
+ search=p->nodes[search].next[level];
update[level]=search;
}
/*
}
if (level > 8)
level=8;
- if (level > (list->level+2))
- level=list->level+2;
+ if (level > (p->level+2))
+ level=p->level+2;
/*
If we're raising the list's level, link back to the root node.
*/
- while (level > list->level)
+ while (level > p->level)
{
- list->level++;
- update[list->level]=65536UL;
+ p->level++;
+ update[p->level]=65536UL;
}
/*
Link the node into the skip-list.
*/
do
{
- list->nodes[color].next[level]=list->nodes[update[level]].next[level];
- list->nodes[update[level]].next[level]=color;
+ p->nodes[color].next[level]=p->nodes[update[level]].next[level];
+ p->nodes[update[level]].next[level]=color;
} while (level-- > 0);
}
-static PixelInfo GetMaximumPixelList(PixelList *pixel_list)
+static Quantum GetMaximumPixelList(PixelList *pixel_list)
{
- PixelInfo
- pixel;
-
register SkipList
- *list;
-
- register ssize_t
- channel;
+ *p;
size_t
color,
ssize_t
count;
- unsigned short
- channels[ListChannels];
-
/*
Find the maximum value for each of the color.
*/
- for (channel=0; channel < 5; channel++)
+ p=(&pixel_list->skip_list);
+ color=65536L;
+ count=0;
+ maximum=p->nodes[color].next[0];
+ do
{
- list=pixel_list->lists+channel;
- color=65536L;
- count=0;
- maximum=list->nodes[color].next[0];
- do
- {
- color=list->nodes[color].next[0];
- if (color > maximum)
- maximum=color;
- count+=list->nodes[color].count;
- } while (count < (ssize_t) pixel_list->length);
- channels[channel]=(unsigned short) maximum;
- }
- GetPixelInfo((const Image *) NULL,&pixel);
- pixel.red=(MagickRealType) ScaleShortToQuantum(channels[0]);
- pixel.green=(MagickRealType) ScaleShortToQuantum(channels[1]);
- pixel.blue=(MagickRealType) ScaleShortToQuantum(channels[2]);
- pixel.alpha=(MagickRealType) ScaleShortToQuantum(channels[3]);
- pixel.black=(MagickRealType) ScaleShortToQuantum(channels[4]);
- return(pixel);
+ color=p->nodes[color].next[0];
+ if (color > maximum)
+ maximum=color;
+ count+=p->nodes[color].count;
+ } while (count < (ssize_t) pixel_list->length);
+ return(ScaleShortToQuantum((unsigned short) maximum));
}
-static PixelInfo GetMeanPixelList(PixelList *pixel_list)
+static Quantum GetMeanPixelList(PixelList *pixel_list)
{
- PixelInfo
- pixel;
-
MagickRealType
sum;
register SkipList
- *list;
-
- register ssize_t
- channel;
+ *p;
size_t
color;
ssize_t
count;
- unsigned short
- channels[ListChannels];
-
/*
Find the mean value for each of the color.
*/
- for (channel=0; channel < 5; channel++)
+ p=(&pixel_list->skip_list);
+ color=65536L;
+ count=0;
+ sum=0.0;
+ do
{
- list=pixel_list->lists+channel;
- color=65536L;
- count=0;
- sum=0.0;
- do
- {
- color=list->nodes[color].next[0];
- sum+=(MagickRealType) list->nodes[color].count*color;
- count+=list->nodes[color].count;
- } while (count < (ssize_t) pixel_list->length);
- sum/=pixel_list->length;
- channels[channel]=(unsigned short) sum;
- }
- GetPixelInfo((const Image *) NULL,&pixel);
- pixel.red=(MagickRealType) ScaleShortToQuantum(channels[0]);
- pixel.green=(MagickRealType) ScaleShortToQuantum(channels[1]);
- pixel.blue=(MagickRealType) ScaleShortToQuantum(channels[2]);
- pixel.black=(MagickRealType) ScaleShortToQuantum(channels[4]);
- pixel.alpha=(MagickRealType) ScaleShortToQuantum(channels[3]);
- return(pixel);
+ color=p->nodes[color].next[0];
+ sum+=(MagickRealType) p->nodes[color].count*color;
+ count+=p->nodes[color].count;
+ } while (count < (ssize_t) pixel_list->length);
+ sum/=pixel_list->length;
+ return(ScaleShortToQuantum((unsigned short) sum));
}
-static PixelInfo GetMedianPixelList(PixelList *pixel_list)
+static Quantum GetMedianPixelList(PixelList *pixel_list)
{
- PixelInfo
- pixel;
-
register SkipList
- *list;
-
- register ssize_t
- channel;
+ *p;
size_t
color;
ssize_t
count;
- unsigned short
- channels[ListChannels];
-
/*
Find the median value for each of the color.
*/
- for (channel=0; channel < 5; channel++)
+ p=(&pixel_list->skip_list);
+ color=65536L;
+ count=0;
+ do
{
- list=pixel_list->lists+channel;
- color=65536L;
- count=0;
- do
- {
- color=list->nodes[color].next[0];
- count+=list->nodes[color].count;
- } while (count <= (ssize_t) (pixel_list->length >> 1));
- channels[channel]=(unsigned short) color;
- }
- GetPixelInfo((const Image *) NULL,&pixel);
- pixel.red=(MagickRealType) ScaleShortToQuantum(channels[0]);
- pixel.green=(MagickRealType) ScaleShortToQuantum(channels[1]);
- pixel.blue=(MagickRealType) ScaleShortToQuantum(channels[2]);
- pixel.black=(MagickRealType) ScaleShortToQuantum(channels[4]);
- pixel.alpha=(MagickRealType) ScaleShortToQuantum(channels[3]);
- return(pixel);
+ color=p->nodes[color].next[0];
+ count+=p->nodes[color].count;
+ } while (count <= (ssize_t) (pixel_list->length >> 1));
+ return(ScaleShortToQuantum((unsigned short) color));
}
-static PixelInfo GetMinimumPixelList(PixelList *pixel_list)
+static Quantum GetMinimumPixelList(PixelList *pixel_list)
{
- PixelInfo
- pixel;
-
register SkipList
- *list;
-
- register ssize_t
- channel;
+ *p;
size_t
color,
ssize_t
count;
- unsigned short
- channels[ListChannels];
-
/*
Find the minimum value for each of the color.
*/
- for (channel=0; channel < 5; channel++)
+ p=(&pixel_list->skip_list);
+ count=0;
+ color=65536UL;
+ minimum=p->nodes[color].next[0];
+ do
{
- list=pixel_list->lists+channel;
- count=0;
- color=65536UL;
- minimum=list->nodes[color].next[0];
- do
- {
- color=list->nodes[color].next[0];
- if (color < minimum)
- minimum=color;
- count+=list->nodes[color].count;
- } while (count < (ssize_t) pixel_list->length);
- channels[channel]=(unsigned short) minimum;
- }
- GetPixelInfo((const Image *) NULL,&pixel);
- pixel.red=(MagickRealType) ScaleShortToQuantum(channels[0]);
- pixel.green=(MagickRealType) ScaleShortToQuantum(channels[1]);
- pixel.blue=(MagickRealType) ScaleShortToQuantum(channels[2]);
- pixel.black=(MagickRealType) ScaleShortToQuantum(channels[4]);
- pixel.alpha=(MagickRealType) ScaleShortToQuantum(channels[3]);
- return(pixel);
+ color=p->nodes[color].next[0];
+ if (color < minimum)
+ minimum=color;
+ count+=p->nodes[color].count;
+ } while (count < (ssize_t) pixel_list->length);
+ return(ScaleShortToQuantum((unsigned short) minimum));
}
-static PixelInfo GetModePixelList(PixelList *pixel_list)
+static Quantum GetModePixelList(PixelList *pixel_list)
{
- PixelInfo
- pixel;
-
register SkipList
- *list;
-
- register ssize_t
- channel;
+ *p;
size_t
color,
ssize_t
count;
- unsigned short
- channels[5];
-
/*
Make each pixel the 'predominant color' of the specified neighborhood.
*/
- for (channel=0; channel < 5; channel++)
+ p=(&pixel_list->skip_list);
+ color=65536L;
+ mode=color;
+ max_count=p->nodes[mode].count;
+ count=0;
+ do
{
- list=pixel_list->lists+channel;
- color=65536L;
- mode=color;
- max_count=list->nodes[mode].count;
- count=0;
- do
- {
- color=list->nodes[color].next[0];
- if (list->nodes[color].count > max_count)
- {
- mode=color;
- max_count=list->nodes[mode].count;
- }
- count+=list->nodes[color].count;
- } while (count < (ssize_t) pixel_list->length);
- channels[channel]=(unsigned short) mode;
- }
- GetPixelInfo((const Image *) NULL,&pixel);
- pixel.red=(MagickRealType) ScaleShortToQuantum(channels[0]);
- pixel.green=(MagickRealType) ScaleShortToQuantum(channels[1]);
- pixel.blue=(MagickRealType) ScaleShortToQuantum(channels[2]);
- pixel.black=(MagickRealType) ScaleShortToQuantum(channels[4]);
- pixel.alpha=(MagickRealType) ScaleShortToQuantum(channels[3]);
- return(pixel);
+ color=p->nodes[color].next[0];
+ if (p->nodes[color].count > max_count)
+ {
+ mode=color;
+ max_count=p->nodes[mode].count;
+ }
+ count+=p->nodes[color].count;
+ } while (count < (ssize_t) pixel_list->length);
+ return(ScaleShortToQuantum((unsigned short) mode));
}
-static PixelInfo GetNonpeakPixelList(PixelList *pixel_list)
+static Quantum GetNonpeakPixelList(PixelList *pixel_list)
{
- PixelInfo
- pixel;
-
register SkipList
- *list;
-
- register ssize_t
- channel;
+ *p;
size_t
color,
ssize_t
count;
- unsigned short
- channels[5];
-
/*
Finds the non peak value for each of the colors.
*/
- for (channel=0; channel < 5; channel++)
+ p=(&pixel_list->skip_list);
+ color=65536L;
+ next=p->nodes[color].next[0];
+ count=0;
+ do
{
- list=pixel_list->lists+channel;
- color=65536L;
- next=list->nodes[color].next[0];
- count=0;
- do
- {
- previous=color;
- color=next;
- next=list->nodes[color].next[0];
- count+=list->nodes[color].count;
- } while (count <= (ssize_t) (pixel_list->length >> 1));
- if ((previous == 65536UL) && (next != 65536UL))
- color=next;
- else
- if ((previous != 65536UL) && (next == 65536UL))
- color=previous;
- channels[channel]=(unsigned short) color;
- }
- GetPixelInfo((const Image *) NULL,&pixel);
- pixel.red=(MagickRealType) ScaleShortToQuantum(channels[0]);
- pixel.green=(MagickRealType) ScaleShortToQuantum(channels[1]);
- pixel.blue=(MagickRealType) ScaleShortToQuantum(channels[2]);
- pixel.alpha=(MagickRealType) ScaleShortToQuantum(channels[3]);
- pixel.black=(MagickRealType) ScaleShortToQuantum(channels[4]);
- return(pixel);
+ previous=color;
+ color=next;
+ next=p->nodes[color].next[0];
+ count+=p->nodes[color].count;
+ } while (count <= (ssize_t) (pixel_list->length >> 1));
+ if ((previous == 65536UL) && (next != 65536UL))
+ color=next;
+ else
+ if ((previous != 65536UL) && (next == 65536UL))
+ color=previous;
+ return(ScaleShortToQuantum((unsigned short) color));
}
-static PixelInfo GetStandardDeviationPixelList(PixelList *pixel_list)
+static Quantum GetStandardDeviationPixelList(PixelList *pixel_list)
{
- PixelInfo
- pixel;
-
MagickRealType
sum,
sum_squared;
register SkipList
- *list;
-
- register ssize_t
- channel;
+ *p;
size_t
color;
ssize_t
count;
- unsigned short
- channels[ListChannels];
-
/*
Find the standard-deviation value for each of the color.
*/
- for (channel=0; channel < 5; channel++)
+ p=(&pixel_list->skip_list);
+ color=65536L;
+ count=0;
+ sum=0.0;
+ sum_squared=0.0;
+ do
{
- list=pixel_list->lists+channel;
- color=65536L;
- count=0;
- sum=0.0;
- sum_squared=0.0;
- do
- {
- register ssize_t
- i;
-
- color=list->nodes[color].next[0];
- sum+=(MagickRealType) list->nodes[color].count*color;
- for (i=0; i < (ssize_t) list->nodes[color].count; i++)
- sum_squared+=((MagickRealType) color)*((MagickRealType) color);
- count+=list->nodes[color].count;
- } while (count < (ssize_t) pixel_list->length);
- sum/=pixel_list->length;
- sum_squared/=pixel_list->length;
- channels[channel]=(unsigned short) sqrt(sum_squared-(sum*sum));
- }
- GetPixelInfo((const Image *) NULL,&pixel);
- pixel.red=(MagickRealType) ScaleShortToQuantum(channels[0]);
- pixel.green=(MagickRealType) ScaleShortToQuantum(channels[1]);
- pixel.blue=(MagickRealType) ScaleShortToQuantum(channels[2]);
- pixel.alpha=(MagickRealType) ScaleShortToQuantum(channels[3]);
- pixel.black=(MagickRealType) ScaleShortToQuantum(channels[4]);
- return(pixel);
+ register ssize_t
+ i;
+
+ color=p->nodes[color].next[0];
+ sum+=(MagickRealType) p->nodes[color].count*color;
+ for (i=0; i < (ssize_t) p->nodes[color].count; i++)
+ sum_squared+=((MagickRealType) color)*((MagickRealType) color);
+ count+=p->nodes[color].count;
+ } while (count < (ssize_t) pixel_list->length);
+ sum/=pixel_list->length;
+ sum_squared/=pixel_list->length;
+ return(ScaleShortToQuantum((unsigned short) sqrt(sum_squared-(sum*sum))));
}
-static inline void InsertPixelList(const Image *image,const Quantum *pixel,
+static inline void InsertPixelList(const Image *image,const Quantum pixel,
PixelList *pixel_list)
{
size_t
unsigned short
index;
- index=ScaleQuantumToShort(GetPixelRed(image,pixel));
- signature=pixel_list->lists[0].nodes[index].signature;
+ index=ScaleQuantumToShort(pixel);
+ signature=pixel_list->skip_list.nodes[index].signature;
if (signature == pixel_list->signature)
- pixel_list->lists[0].nodes[index].count++;
- else
- AddNodePixelList(pixel_list,0,index);
- index=ScaleQuantumToShort(GetPixelGreen(image,pixel));
- signature=pixel_list->lists[1].nodes[index].signature;
- if (signature == pixel_list->signature)
- pixel_list->lists[1].nodes[index].count++;
- else
- AddNodePixelList(pixel_list,1,index);
- index=ScaleQuantumToShort(GetPixelBlue(image,pixel));
- signature=pixel_list->lists[2].nodes[index].signature;
- if (signature == pixel_list->signature)
- pixel_list->lists[2].nodes[index].count++;
- else
- AddNodePixelList(pixel_list,2,index);
- index=ScaleQuantumToShort(GetPixelAlpha(image,pixel));
- signature=pixel_list->lists[3].nodes[index].signature;
- if (signature == pixel_list->signature)
- pixel_list->lists[3].nodes[index].count++;
- else
- AddNodePixelList(pixel_list,3,index);
- if (image->colorspace == CMYKColorspace)
- index=ScaleQuantumToShort(GetPixelBlack(image,pixel));
- signature=pixel_list->lists[4].nodes[index].signature;
- if (signature == pixel_list->signature)
- pixel_list->lists[4].nodes[index].count++;
- else
- AddNodePixelList(pixel_list,4,index);
+ {
+ pixel_list->skip_list.nodes[index].count++;
+ return;
+ }
+ AddNodePixelList(pixel_list,index);
}
static inline MagickRealType MagickAbsoluteValue(const MagickRealType x)
return(x);
}
+static inline size_t MagickMax(const size_t x,const size_t y)
+{
+ if (x > y)
+ return(x);
+ return(y);
+}
+
static void ResetPixelList(PixelList *pixel_list)
{
int
level;
- register ListNode
+ register SkipNode
*root;
register SkipList
- *list;
-
- register ssize_t
- channel;
+ *p;
/*
Reset the skip-list.
*/
- for (channel=0; channel < 5; channel++)
- {
- list=pixel_list->lists+channel;
- root=list->nodes+65536UL;
- list->level=0;
- for (level=0; level < 9; level++)
- root->next[level]=65536UL;
- }
+ p=(&pixel_list->skip_list);
+ root=p->nodes+65536UL;
+ p->level=0;
+ for (level=0; level < 9; level++)
+ root->next[level]=65536UL;
pixel_list->seed=pixel_list->signature++;
}
MagickExport Image *StatisticImage(const Image *image,const StatisticType type,
const size_t width,const size_t height,ExceptionInfo *exception)
{
-#define StatisticWidth \
- (width == 0 ? GetOptimalKernelWidth2D((double) width,0.5) : width)
-#define StatisticHeight \
- (height == 0 ? GetOptimalKernelWidth2D((double) height,0.5) : height)
#define StatisticImageTag "Statistic/Image"
CacheView
**restrict pixel_list;
ssize_t
+ center,
y;
/*
exception);
if (statistic_image == (Image *) NULL)
return((Image *) NULL);
- if (SetImageStorageClass(statistic_image,DirectClass,exception) == MagickFalse)
+ status=SetImageStorageClass(statistic_image,DirectClass,exception);
+ if (status == MagickFalse)
{
statistic_image=DestroyImage(statistic_image);
return((Image *) NULL);
}
- pixel_list=AcquirePixelListThreadSet(StatisticWidth,StatisticHeight);
+ pixel_list=AcquirePixelListThreadSet(MagickMax(width,1),MagickMax(height,1));
if (pixel_list == (PixelList **) NULL)
{
statistic_image=DestroyImage(statistic_image);
/*
Make each pixel the min / max / median / mode / etc. of the neighborhood.
*/
+ center=(ssize_t) GetPixelChannels(image)*(image->columns+MagickMax(width,1))*
+ (MagickMax(height,1)/2L)+GetPixelChannels(image)*(MagickMax(width,1)/2L);
status=MagickTrue;
progress=0;
image_view=AcquireCacheView(image);
if (status == MagickFalse)
continue;
- p=GetCacheViewVirtualPixels(image_view,-((ssize_t) StatisticWidth/2L),y-
- (ssize_t) (StatisticHeight/2L),image->columns+StatisticWidth,
- StatisticHeight,exception);
+ p=GetCacheViewVirtualPixels(image_view,-((ssize_t) MagickMax(width,1)/2L),y-
+ (ssize_t) (MagickMax(height,1)/2L),image->columns+MagickMax(width,1),
+ MagickMax(height,1),exception);
q=QueueCacheViewAuthenticPixels(statistic_view,0,y,statistic_image->columns, 1,exception);
if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL))
{
}
for (x=0; x < (ssize_t) statistic_image->columns; x++)
{
- PixelInfo
- pixel;
-
- register const Quantum
- *restrict r;
-
register ssize_t
- u,
- v;
+ i;
- r=p;
- ResetPixelList(pixel_list[id]);
- for (v=0; v < (ssize_t) StatisticHeight; v++)
- {
- for (u=0; u < (ssize_t) StatisticWidth; u++)
- InsertPixelList(image,r+u*GetPixelChannels(image),pixel_list[id]);
- r+=(image->columns+StatisticWidth)*GetPixelChannels(image);
- }
- GetPixelInfo(image,&pixel);
- SetPixelInfo(image,p+(StatisticWidth*StatisticHeight/2)*
- GetPixelChannels(image),&pixel);
- switch (type)
+ for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
{
- case GradientStatistic:
- {
- PixelInfo
- maximum,
- minimum;
-
- minimum=GetMinimumPixelList(pixel_list[id]);
- maximum=GetMaximumPixelList(pixel_list[id]);
- pixel.red=MagickAbsoluteValue(maximum.red-minimum.red);
- pixel.green=MagickAbsoluteValue(maximum.green-minimum.green);
- pixel.blue=MagickAbsoluteValue(maximum.blue-minimum.blue);
- pixel.alpha=MagickAbsoluteValue(maximum.alpha-minimum.alpha);
- if (image->colorspace == CMYKColorspace)
- pixel.black=MagickAbsoluteValue(maximum.black-minimum.black);
- break;
- }
- case MaximumStatistic:
- {
- pixel=GetMaximumPixelList(pixel_list[id]);
- break;
- }
- case MeanStatistic:
- {
- pixel=GetMeanPixelList(pixel_list[id]);
- break;
- }
- case MedianStatistic:
- default:
- {
- pixel=GetMedianPixelList(pixel_list[id]);
- break;
- }
- case MinimumStatistic:
- {
- pixel=GetMinimumPixelList(pixel_list[id]);
- break;
- }
- case ModeStatistic:
- {
- pixel=GetModePixelList(pixel_list[id]);
- break;
- }
- case NonpeakStatistic:
+ PixelChannel
+ channel;
+
+ PixelTrait
+ statistic_traits,
+ traits;
+
+ Quantum
+ pixel;
+
+ register const Quantum
+ *restrict pixels;
+
+ register ssize_t
+ u;
+
+ ssize_t
+ v;
+
+ traits=GetPixelChannelMapTraits(image,(PixelChannel) i);
+ channel=GetPixelChannelMapChannel(image,(PixelChannel) i);
+ statistic_traits=GetPixelChannelMapTraits(statistic_image,channel);
+ if ((traits == UndefinedPixelTrait) ||
+ (statistic_traits == UndefinedPixelTrait))
+ continue;
+ if ((statistic_traits & CopyPixelTrait) != 0)
+ {
+ SetPixelChannel(statistic_image,channel,p[center+i],q);
+ continue;
+ }
+ pixels=p;
+ ResetPixelList(pixel_list[id]);
+ for (v=0; v < (ssize_t) MagickMax(height,1); v++)
{
- pixel=GetNonpeakPixelList(pixel_list[id]);
- break;
+ for (u=0; u < (ssize_t) MagickMax(width,1); u++)
+ {
+ InsertPixelList(image,pixels[i],pixel_list[id]);
+ pixels+=GetPixelChannels(image);
+ }
+ pixels+=image->columns*GetPixelChannels(image);
}
- case StandardDeviationStatistic:
+ switch (type)
{
- pixel=GetStandardDeviationPixelList(pixel_list[id]);
- break;
+ case GradientStatistic:
+ {
+ MagickRealType
+ maximum,
+ minimum;
+
+ minimum=(MagickRealType) GetMinimumPixelList(pixel_list[id]);
+ maximum=(MagickRealType) GetMaximumPixelList(pixel_list[id]);
+ pixel=ClampToQuantum(MagickAbsoluteValue(maximum-minimum));
+ break;
+ }
+ case MaximumStatistic:
+ {
+ pixel=GetMaximumPixelList(pixel_list[id]);
+ break;
+ }
+ case MeanStatistic:
+ {
+ pixel=GetMeanPixelList(pixel_list[id]);
+ break;
+ }
+ case MedianStatistic:
+ default:
+ {
+ pixel=GetMedianPixelList(pixel_list[id]);
+ break;
+ }
+ case MinimumStatistic:
+ {
+ pixel=GetMinimumPixelList(pixel_list[id]);
+ break;
+ }
+ case ModeStatistic:
+ {
+ pixel=GetModePixelList(pixel_list[id]);
+ break;
+ }
+ case NonpeakStatistic:
+ {
+ pixel=GetNonpeakPixelList(pixel_list[id]);
+ break;
+ }
+ case StandardDeviationStatistic:
+ {
+ pixel=GetStandardDeviationPixelList(pixel_list[id]);
+ break;
+ }
}
+ SetPixelChannel(statistic_image,channel,pixel,q);
}
- if ((GetPixelRedTraits(image) & UpdatePixelTrait) != 0)
- SetPixelRed(statistic_image,ClampToQuantum(pixel.red),q);
- if ((GetPixelGreenTraits(image) & UpdatePixelTrait) != 0)
- SetPixelGreen(statistic_image,ClampToQuantum(pixel.green),q);
- if ((GetPixelBlueTraits(image) & UpdatePixelTrait) != 0)
- SetPixelBlue(statistic_image,ClampToQuantum(pixel.blue),q);
- if (((GetPixelBlackTraits(image) & UpdatePixelTrait) != 0) &&
- (image->colorspace == CMYKColorspace))
- SetPixelBlack(statistic_image,ClampToQuantum(pixel.black),q);
- if (((GetPixelAlphaTraits(image) & UpdatePixelTrait) != 0) &&
- (image->matte != MagickFalse))
- SetPixelAlpha(statistic_image,ClampToQuantum(pixel.alpha),q);
p+=GetPixelChannels(image);
q+=GetPixelChannels(statistic_image);
}
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
assert(exception != (ExceptionInfo *) NULL);
+
+
+ /* FUTURE: use of bias on sharpen is non-sensical */
unsharp_image=BlurImage(image,radius,sigma,image->bias,exception);
+
if (unsharp_image == (Image *) NULL)
return((Image *) NULL);
quantum_threshold=(MagickRealType) QuantumRange*threshold;
continue;
if ((unsharp_traits & CopyPixelTrait) != 0)
{
- q[channel]=p[i];
+ SetPixelChannel(unsharp_image,channel,p[i],q);
continue;
}
- pixel=p[i]-(MagickRealType) q[channel];
+ pixel=p[i]-(MagickRealType) GetPixelChannel(unsharp_image,channel,q);
if (fabs(2.0*pixel) < quantum_threshold)
pixel=(MagickRealType) p[i];
else
pixel=(MagickRealType) p[i]+amount*pixel;
- q[channel]=ClampToQuantum(pixel);
+ SetPixelChannel(unsharp_image,channel,ClampToQuantum(pixel),q);
}
p+=GetPixelChannels(image);
q+=GetPixelChannels(unsharp_image);
projects / imagemagick / blobdiff