{ "LevelColors", { {"invert", MagickBooleanOptions},
{"black-point", RealReference}, {"white-point", RealReference},
{"channel", MagickChannelOptions}, {"invert", MagickBooleanOptions} } },
+ { "Clamp", { {"channel", MagickChannelOptions} } },
};
static SplayTreeInfo
AutoLevelImage = 256
LevelColors = 257
LevelColorsImage = 258
+ Clamp = 259
+ ClampImage = 260
MogrifyRegion = 666
PPCODE:
{
&white_point,exception);
if (attribute_flag[3] != 0)
channel=(ChannelType) argument_list[3].long_reference;
- (void) LevelColorsImageChannel(image,channel,&black_point,&white_point,
- argument_list[0].long_reference != 0 ? MagickTrue : MagickFalse);
+ (void) LevelColorsImageChannel(image,channel,&black_point,
+ &white_point,argument_list[0].long_reference != 0 ? MagickTrue :
+ MagickFalse);
+ break;
+ }
+ case 130: /* Clamp */
+ {
+ if (attribute_flag[0] != 0)
+ channel=(ChannelType) argument_list[0].long_reference;
+ (void) ClampImageChannel(image,channel);
break;
}
}
% %
% %
% %
+% C l a m p I m a g e %
+% %
+% %
+% %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% ClampImage() restricts the color range from 0 to QuantumDepth.
+%
+% The format of the ClampImageChannel method is:
+%
+% MagickBooleanType ClampImage(Image *image)
+% MagickBooleanType ClampImageChannel(Image *image,
+% const ChannelType channel)
+%
+% A description of each parameter follows:
+%
+% o image: the image.
+%
+% o channel: the channel type.
+%
+*/
+
+static inline Quantum ClampToQuantum(const Quantum quantum)
+{
+#if defined(MAGICKCORE_HDRI_SUPPORT)
+ if (quantum <= 0)
+ return(0);
+ if (quantum >= QuantumRange)
+ return(QuantumRange);
+ return(quantum);
+#else
+ return(quantum);
+#endif
+}
+
+MagickExport MagickBooleanType ClampImage(Image *image)
+{
+ MagickBooleanType
+ status;
+
+ status=ClampImageChannel(image,DefaultChannels);
+ return(status);
+}
+
+MagickExport MagickBooleanType ClampImageChannel(Image *image,
+ const ChannelType channel)
+{
+#define ClampImageTag "Clamp/Image"
+
+ ExceptionInfo
+ *exception;
+
+ long
+ progress,
+ y;
+
+ MagickBooleanType
+ status;
+
+ CacheView
+ *image_view;
+
+ assert(image != (Image *) NULL);
+ assert(image->signature == MagickSignature);
+ if (image->debug != MagickFalse)
+ (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
+ if (image->storage_class == PseudoClass)
+ {
+ register long
+ i;
+
+ register PixelPacket
+ *__restrict q;
+
+ q=image->colormap;
+ for (i=0; i < (long) image->colors; i++)
+ {
+ q->red=ClampToQuantum(q->red);
+ q->green=ClampToQuantum(q->green);
+ q->blue=ClampToQuantum(q->blue);
+ q->opacity=ClampToQuantum(q->opacity);
+ q++;
+ }
+ return(SyncImage(image));
+ }
+ /*
+ Clamp threshold image.
+ */
+ status=MagickTrue;
+ progress=0;
+ exception=(&image->exception);
+ image_view=AcquireCacheView(image);
+#if defined(_OPENMP) && (_OPENMP >= 200203)
+ #pragma omp parallel for schedule(static,1) shared(progress,status)
+#endif
+ for (y=0; y < (long) image->rows; y++)
+ {
+ register IndexPacket
+ *__restrict indexes;
+
+ register long
+ x;
+
+ register PixelPacket
+ *__restrict q;
+
+ if (status == MagickFalse)
+ continue;
+ q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
+ if (q == (PixelPacket *) NULL)
+ {
+ status=MagickFalse;
+ continue;
+ }
+ indexes=GetCacheViewAuthenticIndexQueue(image_view);
+ for (x=0; x < (long) image->columns; x++)
+ {
+ if ((channel & RedChannel) != 0)
+ q->red=ClampToQuantum(q->red);
+ if ((channel & GreenChannel) != 0)
+ q->green=ClampToQuantum(q->green);
+ if ((channel & BlueChannel) != 0)
+ q->blue=ClampToQuantum(q->blue);
+ if ((channel & OpacityChannel) != 0)
+ q->opacity=ClampToQuantum(q->opacity);
+ if (((channel & IndexChannel) != 0) &&
+ (image->colorspace == CMYKColorspace))
+ indexes[x]=(IndexPacket) ClampToQuantum(indexes[x]);
+ q++;
+ }
+ if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
+ status=MagickFalse;
+ if (image->progress_monitor != (MagickProgressMonitor) NULL)
+ {
+ MagickBooleanType
+ proceed;
+
+#if defined(_OPENMP) && (_OPENMP >= 200203)
+ #pragma omp critical (MagickCore_ClampImageChannel)
+#endif
+ proceed=SetImageProgress(image,ClampImageTag,progress++,
+ image->rows);
+ if (proceed == MagickFalse)
+ status=MagickFalse;
+ }
+ }
+ image_view=DestroyCacheView(image_view);
+ return(status);
+}
+\f
+/*
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% %
+% %
+% %
% D e s t r o y T h r e s h o l d M a p %
% %
% %
BlackThresholdImage(Image *,const char *),
BlackThresholdImageChannel(Image *,const ChannelType,const char *,
ExceptionInfo *),
+ ClampImage(Image *),
+ ClampImageChannel(Image *,const ChannelType),
ListThresholdMaps(FILE *,ExceptionInfo *),
OrderedDitherImage(Image *), /* deprecated */
OrderedDitherImageChannel(Image *,const ChannelType,ExceptionInfo *),
"-cdl filename color correct with a color decision list",
"-charcoal radius simulate a charcoal drawing",
"-chop geometry remove pixels from the image interior",
+ "-clamp restrict pixel range from 0 to QuantumDepth",
"-clip clip along the first path from the 8BIM profile",
"-clip-mask filename associate a clip mask with the image",
"-clip-path id clip along a named path from the 8BIM profile",
ThrowConvertInvalidArgumentException(option,argv[i]);
break;
}
+ if (LocaleCompare("clamp",option+1) == 0)
+ break;
if (LocaleCompare("clip",option+1) == 0)
break;
if (LocaleCompare("clip-mask",option+1) == 0)
% %
% %
% %
+% M a g i c k C l a m p I m a g e %
+% %
+% %
+% %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% MagickClampImage() restricts the color range from 0 to QuantumDepth.
+%
+% The format of the MagickClampImage method is:
+%
+% MagickBooleanType MagickClampImage(MagickWand *wand)
+% MagickBooleanType MagickClampImageChannel(MagickWand *wand,
+% const ChannelType channel)
+%
+% A description of each parameter follows:
+%
+% o wand: the magick wand.
+%
+% o channel: the channel.
+%
+*/
+
+WandExport MagickBooleanType MagickClampImage(MagickWand *wand)
+{
+ MagickBooleanType
+ status;
+
+ status=MagickClampImageChannel(wand,DefaultChannels);
+ return(status);
+}
+
+WandExport MagickBooleanType MagickClampImageChannel(MagickWand *wand,
+ const ChannelType channel)
+{
+ MagickBooleanType
+ status;
+
+ assert(wand != (MagickWand *) NULL);
+ assert(wand->signature == WandSignature);
+ if (wand->debug != MagickFalse)
+ (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name);
+ if (wand->images == (Image *) NULL)
+ ThrowWandException(WandError,"ContainsNoImages",wand->name);
+ status=ClampImageChannel(wand->images,channel);
+ if (status == MagickFalse)
+ InheritException(wand->exception,&wand->images->exception);
+ return(status);
+}
+\f
+/*
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% %
+% %
+% %
% M a g i c k C l i p I m a g e %
% %
% %
MagickCharcoalImage(MagickWand *,const double,const double),
MagickChopImage(MagickWand *,const unsigned long,const unsigned long,
const long,const long),
+ MagickClampImage(MagickWand *),
+ MagickClampImageChannel(MagickWand *,const ChannelType),
MagickClipImage(MagickWand *),
MagickClipImagePath(MagickWand *,const char *,const MagickBooleanType),
MagickClutImage(MagickWand *,const MagickWand *),
*image=chop_image;
break;
}
+ if (LocaleCompare("clamp",option+1) == 0)
+ {
+ /*
+ Clamp image.
+ */
+ (void) SyncImageSettings(image_info,*image);
+ (void) ClampImageChannel(*image,channel);
+ InheritException(exception,&(*image)->exception);
+ break;
+ }
if (LocaleCompare("clip",option+1) == 0)
{
(void) SyncImageSettings(image_info,*image);
"-cdl filename color correct with a color decision list",
"-charcoal radius simulate a charcoal drawing",
"-chop geometry remove pixels from the image interior",
+ "-clamp restrict pixel range from 0 to QuantumDepth",
"-clip clip along the first path from the 8BIM profile",
"-clip-mask filename associate a clip mask with the image",
"-clip-path id clip along a named path from the 8BIM profile",
ThrowMogrifyInvalidArgumentException(option,argv[i]);
break;
}
+ if (LocaleCompare("clamp",option+1) == 0)
+ break;
+ if (LocaleCompare("clip",option+1) == 0)
+ break;
if (LocaleCompare("clip-mask",option+1) == 0)
{
if (*option == '+')
projects / imagemagick / commitdiff