% Blackman Hanning Hamming Kaiser Lanczos
%
% Special purpose Filters
-% SincFast LanczosSharp Lanczos2D Lanczos2DSharp Robidoux
+% SincFast LanczosSharp Lanczos2 Lanczos2Sharp
+% Robidoux RobidouxSharp
%
% The users "-filter" selection is used to lookup the default 'expert'
% settings for that filter from a internal table. However any provided
% suited to this style of image resampling. This typically happens when using
% such a filter for images distortions.
%
+% SPECIFIC FILTERS:
+%
% Directly requesting 'Sinc', 'Jinc' function as a filter will force the use
% of function without any windowing, or promotion for cylindrical usage. This
% is not recommended, except by image processing experts, especially as part
% crossing is at (36 sqrt(2) + 123)/(72 sqrt(2) + 47), almost the same as the
% first crossing of Mitchell and Lanczos2Sharp.
%
+% RodidouxSharp is a slightly sharper version of Rodidoux, some believe it
+% is too sharp. It is designed to minimize the maximum possible change in
+% a pixel value which is at one of the extremes (e.g., 0 or 255) under no-op
+% conditions. Amazingly Mitchell falls roughly between Rodidoux and
+% RodidouxSharp, though this seems to have been pure coincidence.
+%
% 'EXPERT' OPTIONS:
%
% These artifact "defines" are not recommended for production use without
% The format of the AcquireResizeFilter method is:
%
% ResizeFilter *AcquireResizeFilter(const Image *image,
-% const FilterTypes filter_type,const MagickBooleanType radial,
+% const FilterTypes filter_type,const MagickBooleanType cylindrical,
% ExceptionInfo *exception)
%
% A description of each parameter follows:
{ Lanczos2Filter, Lanczos2Filter }, /* | special handling */
{ Lanczos2SharpFilter, Lanczos2SharpFilter },
{ RobidouxFilter, BoxFilter }, /* Cubic Keys tuned for EWA */
+ { RobidouxSharpFilter, BoxFilter }, /* Sharper Cubic Keys for EWA */
};
/*
Table mapping the filter/window from the above table to an actual function.
MagickRealType
(*function)(const MagickRealType,const ResizeFilter*),
lobes, /* Default lobes/support size of the weighting filter. */
- scale, /* Support when function used as a windowing function
- Typically equal to the location of the first zero crossing. */
- B,C; /* BC-spline coefficients, ignored if not a CubicBC filter. */
+ scale, /* Support when function used as a windowing function
+ Typically equal to the location of the first zero crossing. */
+ B,C; /* BC-spline coefficients, ignored if not a CubicBC filter. */
} const filters[SentinelFilter] =
{
+ /* .--- support window
+ | .--- first crossing (if used as a Windowing function)
+ | | .--- B value for Cubic Function
+ | | | .---- C value for Cubic Function
+ | | | | */
{ Box, 0.5, 0.5, 0.0, 0.0 }, /* Undefined (default to Box) */
{ Box, 0.0, 0.5, 0.0, 0.0 }, /* Point (special handling) */
{ Box, 0.5, 0.5, 0.0, 0.0 }, /* Box */
{ SincFast, 3.0, 1.0, 0.0, 0.0 }, /* lanczos, Sharpened */
{ SincFast, 2.0, 1.0, 0.0, 0.0 }, /* Lanczos, 2-lobed */
{ SincFast, 2.0, 1.0, 0.0, 0.0 }, /* Lanczos2, sharpened */
- { CubicBC, 2.0, 1.1685777620836932, 0.37821575509399867,
- 0.31089212245300067 }
- /* Robidoux: Keys cubic close to Lanczos2D sharpened */
+ /* Robidoux: Keys cubic close to Lanczos2D sharpened */
+ { CubicBC, 2.0, 1.1685777620836932,
+ 0.37821575509399867, 0.31089212245300067 },
+ /* RobidouxSharp: Sharper version of Robidoux */
+ { CubicBC, 2.0, 1.105822933719019,
+ 0.2620145123990142, 0.3689927438004929 }
};
/*
The known zero crossings of the Jinc() or more accurately the Jinc(x*PI)
users do not have to deal with the highly irrational lobe sizes of the Jinc
filter.
- Values taken from http://cose.math.bas.bg/webMathematica/webComputing/
- BesselZeros.jsp using Jv-function with v=1, then dividing by PI.
+ Values taken from
+ http://cose.math.bas.bg/webMathematica/webComputing/BesselZeros.jsp
+ using Jv-function with v=1, then dividing by PI.
*/
static MagickRealType
jinc_zeros[16] =
*/
assert(image != (const Image *) NULL);
assert(image->signature == MagickSignature);
- if (image->debug != MagickFalse)
+ if( IfMagickTrue(image->debug) )
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
assert(UndefinedFilter < filter && filter < SentinelFilter);
assert(exception != (ExceptionInfo *) NULL);
if (resize_filter == (ResizeFilter *) NULL)
ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
(void) ResetMagickMemory(resize_filter,0,sizeof(*resize_filter));
- resize_filter->blur=1.0;
/*
Defaults for the requested filter.
*/
filter_type=mapping[filter].filter;
window_type=mapping[filter].window;
+ resize_filter->blur=1.0;
/* Promote 1D Windowed Sinc Filters to a 2D Windowed Jinc filters */
- if ((cylindrical != MagickFalse) && (filter_type == SincFastFilter) &&
+ if( IfMagickTrue(cylindrical) && (filter_type == SincFastFilter) &&
(filter != SincFastFilter))
filter_type=JincFilter; /* 1D Windowed Sinc => 2D Windowed Jinc filters */
+
/* Expert filter setting override */
artifact=GetImageArtifact(image,"filter:filter");
if (artifact != (const char *) NULL)
option=ParseCommandOption(MagickFilterOptions,MagickFalse,artifact);
if ((UndefinedFilter < option) && (option < SentinelFilter))
- {
- /*
- Raw filter request - no window function.
- */
+ { /* Raw filter request - no window function. */
filter_type=(FilterTypes) option;
window_type=BoxFilter;
}
- /*
- Filter override with a specific window function.
- */
+ /* Filter override with a specific window function. */
artifact=GetImageArtifact(image,"filter:window");
if (artifact != (const char *) NULL)
{
}
else
{
- /*
- Window specified, but no filter function? Assume Sinc/Jinc.
- */
+ /* Window specified, but no filter function? Assume Sinc/Jinc. */
artifact=GetImageArtifact(image,"filter:window");
if (artifact != (const char *) NULL)
{
option=ParseCommandOption(MagickFilterOptions,MagickFalse,artifact);
if ((UndefinedFilter < option) && (option < SentinelFilter))
{
- filter_type=cylindrical != MagickFalse ? JincFilter :
- SincFastFilter;
+ filter_type= IfMagickTrue(cylindrical) ? JincFilter
+ : SincFastFilter;
window_type=(FilterTypes) option;
}
}
}
- /*
- Assign the real functions to use for the filters selected.
- */
+
+ /* Assign the real functions to use for the filters selected. */
resize_filter->filter=filters[filter_type].function;
resize_filter->support=filters[filter_type].lobes;
resize_filter->window=filters[window_type].function;
resize_filter->scale=filters[window_type].scale;
resize_filter->signature=MagickSignature;
- /*
- Filter Modifications for orthogonal/cylindrical usage.
- */
+
+ /* Filter Modifications for orthogonal/cylindrical usage */
if (cylindrical != MagickFalse)
switch (filter_type)
{
case BoxFilter:
- {
- /*
- Support for Cylindrical Box should be sqrt(2)/2.
- */
+ /* Support for Cylindrical Box should be sqrt(2)/2 */
resize_filter->support=(MagickRealType) MagickSQ1_2;
break;
- }
case LanczosFilter:
case LanczosSharpFilter:
case Lanczos2Filter:
case Lanczos2SharpFilter:
- {
- /*
- Number of lobes (support window size) remain unchanged.
- */
resize_filter->filter=filters[JincFilter].function;
resize_filter->window=filters[JincFilter].function;
resize_filter->scale=filters[JincFilter].scale;
+ /* number of lobes (support window size) remain unchanged */
break;
- }
default:
break;
}
- /*
- Global Sharpening (regardless of orthoginal/cylindrical).
- */
+ /* Global Sharpening (regardless of orthoginal/cylindrical) */
switch (filter_type)
{
case LanczosSharpFilter:
- {
- resize_filter->blur*=0.9812505644269356;
+ resize_filter->blur *= 0.9812505644269356;
break;
- }
case Lanczos2SharpFilter:
- {
- resize_filter->blur*=0.9549963639785485;
+ resize_filter->blur *= 0.9549963639785485;
break;
- }
default:
break;
}
+
/*
Expert Option Modifications.
*/
+
/* User Gaussian Sigma Override - no support change */
value=0.5; /* guassian sigma default, half pixel */
if ( GaussianFilter ) {
- artifact=GetImageArtifact(image,"filter:sigma");
- if (artifact != (const char *) NULL)
+ artifact=GetImageArtifact(image,"filter:sigma");
+ if (artifact != (const char *) NULL)
value=StringToDouble(artifact,(char **) NULL);
/* Define coefficents for Gaussian */
resize_filter->coefficient[0]=1.0/(2.0*value*value); /* X scaling */
}
}
/* Convert B,C values into Cubic Coefficents. See CubicBC(). */
- {
- double
- B_squared;
-
- B_squared=B+B;
+ {
+ const double twoB = B+B;
resize_filter->coefficient[0]=1.0-(1.0/3.0)*B;
- resize_filter->coefficient[1]=-3.0+B_squared+C;
+ resize_filter->coefficient[1]=-3.0+twoB+C;
resize_filter->coefficient[2]=2.0-1.5*B-C;
resize_filter->coefficient[3]=(4.0/3.0)*B+4.0*C;
- resize_filter->coefficient[4]=-8.0*C-B_squared;
+ resize_filter->coefficient[4]=-8.0*C-twoB;
resize_filter->coefficient[5]=B+5.0*C;
resize_filter->coefficient[6]=(-1.0/6.0)*B-C;
- }
+ }
}
/*
#pragma omp master
{
#endif
- artifact=GetImageArtifact(image,"filter:verbose");
- if (IfMagickTrue(IsStringTrue(artifact)))
+ if (IfStringTrue(GetImageArtifact(image,"filter:verbose")))
{
double
support,
support=GetResizeFilterSupport(resize_filter); /* practical_support */
(void) FormatLocaleFile(stdout,"# Resize Filter (for graphing)\n#\n");
(void) FormatLocaleFile(stdout,"# filter = %s\n",
- CommandOptionToMnemonic(MagickFilterOptions,filter_type));
+ CommandOptionToMnemonic(MagickFilterOptions,filter_type));
(void) FormatLocaleFile(stdout,"# window = %s\n",
- CommandOptionToMnemonic(MagickFilterOptions, window_type));
+ CommandOptionToMnemonic(MagickFilterOptions, window_type));
(void) FormatLocaleFile(stdout,"# support = %.*g\n",
- GetMagickPrecision(),(double) resize_filter->support);
+ GetMagickPrecision(),(double) resize_filter->support);
(void) FormatLocaleFile(stdout,"# win-support = %.*g\n",
- GetMagickPrecision(),(double) resize_filter->window_support);
+ GetMagickPrecision(),(double) resize_filter->window_support);
(void) FormatLocaleFile(stdout,"# scale_blur = %.*g\n",
- GetMagickPrecision(), (double)resize_filter->blur);
- if (filter_type == GaussianFilter)
+ GetMagickPrecision(), (double)resize_filter->blur);
+ if ( filter_type == GaussianFilter )
(void) FormatLocaleFile(stdout,"# gaussian_sigma = %.*g\n",
- GetMagickPrecision(), (double)value);
+ GetMagickPrecision(), (double)value);
if ( filter_type == KaiserFilter )
(void) FormatLocaleFile(stdout,"# kaiser_alpha = %.*g\n",
- GetMagickPrecision(), (double)value);
+ GetMagickPrecision(), (double)value);
(void) FormatLocaleFile(stdout,"# practical_support = %.*g\n",
- GetMagickPrecision(), (double)support);
+ GetMagickPrecision(), (double)support);
if ( filter_type == CubicFilter || window_type == CubicFilter )
(void) FormatLocaleFile(stdout,"# B,C = %.*g,%.*g\n",
- GetMagickPrecision(),(double)B, GetMagickPrecision(),(double)C);
+ GetMagickPrecision(),(double)B, GetMagickPrecision(),(double)C);
(void) FormatLocaleFile(stdout,"\n");
/*
Output values of resulting filter graph -- for graphing
filter result.
*/
for (x=0.0; x <= support; x+=0.01f)
- (void) FormatLocaleFile(stdout,"%5.2lf\t%.*g\n",x,
- GetMagickPrecision(),(double) GetResizeFilterWeight(resize_filter,
- x));
+ (void) FormatLocaleFile(stdout,"%5.2lf\t%.*g\n",x,GetMagickPrecision(),
+ (double) GetResizeFilterWeight(resize_filter,x));
/* A final value so gnuplot can graph the 'stop' properly. */
(void) FormatLocaleFile(stdout,"%5.2lf\t%.*g\n",support,
GetMagickPrecision(),0.0);
*/
assert(image != (const Image *) NULL);
assert(image->signature == MagickSignature);
- if (image->debug != MagickFalse)
+ if( IfMagickTrue(image->debug) )
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
resize_image=CloneImage(image,columns,rows,MagickTrue,exception);
if (resize_image == (Image *) NULL)
return((Image *) NULL);
- if (SetImageStorageClass(resize_image,DirectClass,exception) == MagickFalse)
+ if( IfMagickFalse(SetImageStorageClass(resize_image,DirectClass,exception)) )
{
resize_image=DestroyImage(resize_image);
return((Image *) NULL);
}
status=MagickTrue;
progress=0;
- image_view=AcquireCacheView(image);
- resize_view=AcquireCacheView(resize_image);
+ image_view=AcquireVirtualCacheView(image,exception);
+ resize_view=AcquireAuthenticCacheView(resize_image,exception);
scale.x=(double) image->columns/resize_image->columns;
scale.y=(double) image->rows/resize_image->rows;
#if defined(MAGICKCORE_OPENMP_SUPPORT)
register ssize_t
x;
- if (status == MagickFalse)
+ if( IfMagickFalse(status) )
continue;
q=QueueCacheViewAuthenticPixels(resize_view,0,y,resize_image->columns,1,
exception);
}
q+=GetPixelChannels(resize_image);
}
- if (SyncCacheViewAuthenticPixels(resize_view,exception) == MagickFalse)
+ if( IfMagickFalse(SyncCacheViewAuthenticPixels(resize_view,exception)) )
continue;
if (image->progress_monitor != (MagickProgressMonitor) NULL)
{
#endif
proceed=SetImageProgress(image,InterpolativeResizeImageTag,progress++,
image->rows);
- if (proceed == MagickFalse)
+ if( IfMagickFalse(proceed) )
status=MagickFalse;
}
}
resize_view=DestroyCacheView(resize_view);
image_view=DestroyCacheView(image_view);
- if (status == MagickFalse)
+ if( IfMagickFalse(status) )
resize_image=DestroyImage(resize_image);
return(resize_image);
}
*/
assert(image != (const Image *) NULL);
assert(image->signature == MagickSignature);
- if (image->debug != MagickFalse)
+ if( IfMagickTrue(image->debug) )
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
return((Image *) NULL);
status=MagickTrue;
q=pixels;
- image_view=AcquireCacheView(image);
+ image_view=AcquireVirtualCacheView(image,exception);
for (y=0; y < (ssize_t) image->rows; y++)
{
register const Quantum
register ssize_t
x;
- if (status == MagickFalse)
+ if( IfMagickFalse(status) )
continue;
p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception);
if (p == (const Quantum *) NULL)
pixels=(gfloat *) RelinquishMagickMemory(pixels);
return((Image *) NULL);
}
- if (SetImageStorageClass(rescale_image,DirectClass,exception) == MagickFalse)
+ if( IfMagickFalse(SetImageStorageClass(rescale_image,DirectClass,exception)) )
{
pixels=(gfloat *) RelinquishMagickMemory(pixels);
rescale_image=DestroyImage(rescale_image);
return((Image *) NULL);
}
- rescale_view=AcquireCacheView(rescale_image);
+ rescale_view=AcquireAuthenticCacheView(rescale_image,exception);
(void) lqr_carver_scan_reset(carver);
while (lqr_carver_scan_ext(carver,&x_offset,&y_offset,(void **) &packet) != 0)
{
SetPixelChannel(rescale_image,channel,ClampToQuantum(QuantumRange*
packet[i]),q);
}
- if (SyncCacheViewAuthenticPixels(rescale_view,exception) == MagickFalse)
+ if( IfMagickFalse(SyncCacheViewAuthenticPixels(rescale_view,exception)) )
break;
}
rescale_view=DestroyCacheView(rescale_view);
{
assert(image != (const Image *) NULL);
assert(image->signature == MagickSignature);
- if (image->debug != MagickFalse)
+ if( IfMagickTrue(image->debug) )
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
(void) ThrowMagickException(exception,GetMagickModule(),MissingDelegateError,
- "DelegateLibrarySupportNotBuiltIn","`%s' (LQR)",image->filename);
+ "DelegateLibrarySupportNotBuiltIn","'%s' (LQR)",image->filename);
return((Image *) NULL);
}
#endif
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
- if (image->debug != MagickFalse)
+ if( IfMagickTrue(image->debug) )
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
- if (image->debug != MagickFalse)
+ if( IfMagickTrue(image->debug) )
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
*/
assert(image != (const Image *) NULL);
assert(image->signature == MagickSignature);
- if (image->debug != MagickFalse)
+ if( IfMagickTrue(image->debug) )
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
scale=MagickMax(1.0/x_factor+MagickEpsilon,1.0);
support=scale*GetResizeFilterSupport(resize_filter);
storage_class=support > 0.5 ? DirectClass : image->storage_class;
- if (SetImageStorageClass(resize_image,storage_class,exception) == MagickFalse)
+ if( IfMagickFalse(SetImageStorageClass(resize_image,storage_class,exception)) )
return(MagickFalse);
if (support < 0.5)
{
if (contributions == (ContributionInfo **) NULL)
{
(void) ThrowMagickException(exception,GetMagickModule(),
- ResourceLimitError,"MemoryAllocationFailed","`%s'",image->filename);
+ ResourceLimitError,"MemoryAllocationFailed","'%s'",image->filename);
return(MagickFalse);
}
status=MagickTrue;
scale=1.0/scale;
- image_view=AcquireCacheView(image);
- resize_view=AcquireCacheView(resize_image);
+ image_view=AcquireVirtualCacheView(image,exception);
+ resize_view=AcquireAuthenticCacheView(resize_image,exception);
#if defined(MAGICKCORE_OPENMP_SUPPORT)
#pragma omp parallel for schedule(static,4) shared(status)
#endif
start,
stop;
- if (status == MagickFalse)
+ if( IfMagickFalse(status) )
continue;
bisect=(MagickRealType) (x+0.5)/x_factor+MagickEpsilon;
start=(ssize_t) MagickMax(bisect-support+0.5,0.0);
register ssize_t
i;
+ if (GetPixelMask(resize_image,q) != 0)
+ {
+ q+=GetPixelChannels(resize_image);
+ continue;
+ }
for (i=0; i < (ssize_t) GetPixelChannels(resize_image); i++)
{
MagickRealType
if ((traits == UndefinedPixelTrait) ||
(resize_traits == UndefinedPixelTrait))
continue;
- if (((resize_traits & CopyPixelTrait) != 0) ||
- (GetPixelMask(resize_image,q) != 0))
+ if ((resize_traits & CopyPixelTrait) != 0)
{
j=(ssize_t) (MagickMin(MagickMax(bisect,(double) start),(double)
stop-1.0)+0.5);
}
q+=GetPixelChannels(resize_image);
}
- if (SyncCacheViewAuthenticPixels(resize_view,exception) == MagickFalse)
+ if( IfMagickFalse(SyncCacheViewAuthenticPixels(resize_view,exception)) )
status=MagickFalse;
if (image->progress_monitor != (MagickProgressMonitor) NULL)
{
#pragma omp critical (MagickCore_HorizontalFilter)
#endif
proceed=SetImageProgress(image,ResizeImageTag,(*offset)++,span);
- if (proceed == MagickFalse)
+ if( IfMagickFalse(proceed) )
status=MagickFalse;
}
}
scale=MagickMax(1.0/y_factor+MagickEpsilon,1.0);
support=scale*GetResizeFilterSupport(resize_filter);
storage_class=support > 0.5 ? DirectClass : image->storage_class;
- if (SetImageStorageClass(resize_image,storage_class,exception) == MagickFalse)
+ if( IfMagickFalse(SetImageStorageClass(resize_image,storage_class,exception)) )
return(MagickFalse);
if (support < 0.5)
{
if (contributions == (ContributionInfo **) NULL)
{
(void) ThrowMagickException(exception,GetMagickModule(),
- ResourceLimitError,"MemoryAllocationFailed","`%s'",image->filename);
+ ResourceLimitError,"MemoryAllocationFailed","'%s'",image->filename);
return(MagickFalse);
}
status=MagickTrue;
scale=1.0/scale;
(void) ResetMagickMemory(&zero,0,sizeof(zero));
- image_view=AcquireCacheView(image);
- resize_view=AcquireCacheView(resize_image);
+ image_view=AcquireVirtualCacheView(image,exception);
+ resize_view=AcquireAuthenticCacheView(resize_image,exception);
#if defined(MAGICKCORE_OPENMP_SUPPORT)
#pragma omp parallel for schedule(static,4) shared(status)
#endif
start,
stop;
- if (status == MagickFalse)
+ if( IfMagickFalse(status) )
continue;
bisect=(MagickRealType) (y+0.5)/y_factor+MagickEpsilon;
start=(ssize_t) MagickMax(bisect-support+0.5,0.0);
register ssize_t
i;
+ if (GetPixelMask(resize_image,q) != 0)
+ {
+ q+=GetPixelChannels(resize_image);
+ continue;
+ }
for (i=0; i < (ssize_t) GetPixelChannels(resize_image); i++)
{
MagickRealType
if ((traits == UndefinedPixelTrait) ||
(resize_traits == UndefinedPixelTrait))
continue;
- if (((resize_traits & CopyPixelTrait) != 0) ||
- (GetPixelMask(resize_image,q) != 0))
+ if ((resize_traits & CopyPixelTrait) != 0)
{
j=(ssize_t) (MagickMin(MagickMax(bisect,(double) start),(double)
stop-1.0)+0.5);
}
q+=GetPixelChannels(resize_image);
}
- if (SyncCacheViewAuthenticPixels(resize_view,exception) == MagickFalse)
+ if( IfMagickFalse(SyncCacheViewAuthenticPixels(resize_view,exception)) )
status=MagickFalse;
if (image->progress_monitor != (MagickProgressMonitor) NULL)
{
#pragma omp critical (MagickCore_VerticalFilter)
#endif
proceed=SetImageProgress(image,ResizeImageTag,(*offset)++,span);
- if (proceed == MagickFalse)
+ if( IfMagickFalse(proceed) )
status=MagickFalse;
}
}
*/
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
- if (image->debug != MagickFalse)
+ if( IfMagickTrue(image->debug) )
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
filter_type=PointFilter;
else
if ((image->storage_class == PseudoClass) ||
- (image->matte != MagickFalse) || ((x_factor*y_factor) > 1.0))
+ IfMagickTrue(image->matte) ||
+ ((x_factor*y_factor) > 1.0))
filter_type=MitchellFilter;
resize_filter=AcquireResizeFilter(image,filter_type,MagickFalse,exception);
/*
*/
filter_image=DestroyImage(filter_image);
resize_filter=DestroyResizeFilter(resize_filter);
- if (status == MagickFalse)
+ if( IfMagickFalse(status) )
{
resize_image=DestroyImage(resize_image);
return((Image *) NULL);
*/
assert(image != (const Image *) NULL);
assert(image->signature == MagickSignature);
- if (image->debug != MagickFalse)
+ if( IfMagickTrue(image->debug) )
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
*/
status=MagickTrue;
progress=0;
- image_view=AcquireCacheView(image);
- sample_view=AcquireCacheView(sample_image);
+ image_view=AcquireVirtualCacheView(image,exception);
+ sample_view=AcquireAuthenticCacheView(sample_image,exception);
#if defined(MAGICKCORE_OPENMP_SUPPORT)
#pragma omp parallel for schedule(static) shared(progress,status)
#endif
ssize_t
y_offset;
- if (status == MagickFalse)
+ if( IfMagickFalse(status) )
continue;
y_offset=(ssize_t) (((MagickRealType) y+0.5)*image->rows/
sample_image->rows);
}
q+=GetPixelChannels(sample_image);
}
- if (SyncCacheViewAuthenticPixels(sample_view,exception) == MagickFalse)
+ if( IfMagickFalse(SyncCacheViewAuthenticPixels(sample_view,exception)) )
status=MagickFalse;
if (image->progress_monitor != (MagickProgressMonitor) NULL)
{
#pragma omp critical (MagickCore_SampleImage)
#endif
proceed=SetImageProgress(image,SampleImageTag,progress++,image->rows);
- if (proceed == MagickFalse)
+ if( IfMagickFalse(proceed) )
status=MagickFalse;
}
}
*/
assert(image != (const Image *) NULL);
assert(image->signature == MagickSignature);
- if (image->debug != MagickFalse)
+ if( IfMagickTrue(image->debug) )
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
scale_image=CloneImage(image,columns,rows,MagickTrue,exception);
if (scale_image == (Image *) NULL)
return((Image *) NULL);
- if (SetImageStorageClass(scale_image,DirectClass,exception) == MagickFalse)
+ if( IfMagickFalse(SetImageStorageClass(scale_image,DirectClass,exception)) )
{
scale_image=DestroyImage(scale_image);
return((Image *) NULL);
for (i=0; i < (ssize_t) (GetPixelChannels(image)*image->columns); i++)
y_vector[i]=0.0;
n=0;
- image_view=AcquireCacheView(image);
- scale_view=AcquireCacheView(scale_image);
+ image_view=AcquireVirtualCacheView(image,exception);
+ scale_view=AcquireAuthenticCacheView(scale_image,exception);
for (y=0; y < (ssize_t) scale_image->rows; y++)
{
register const Quantum
*/
while (scale.y < span.y)
{
- if ((next_row != MagickFalse) &&
- (number_rows < (ssize_t) image->rows))
+ if( IfMagickTrue(next_row) && (number_rows < (ssize_t) image->rows))
{
/*
Read a new scanline.
scale.y=(double) scale_image->rows/(double) image->rows;
next_row=MagickTrue;
}
- if ((next_row != MagickFalse) && (number_rows < (ssize_t) image->rows))
+ if( IfMagickTrue(next_row) && (number_rows < (ssize_t) image->rows))
{
/*
Read a new scanline.
scale.x=(double) scale_image->columns/(double) image->columns;
while (scale.x >= span.x)
{
- if (next_column != MagickFalse)
+ if( IfMagickTrue(next_column) )
{
for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
pixel[i]=0.0;
}
if (scale.x > 0)
{
- if (next_column != MagickFalse)
+ if( IfMagickTrue(next_column) )
{
for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
pixel[i]=0.0;
for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
pixel[i]+=span.x*scanline[(x-1)*GetPixelChannels(image)+i];
}
- if ((next_column == MagickFalse) &&
+ if( IfMagickFalse(next_column) &&
((ssize_t) n < (ssize_t) scale_image->columns))
for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
{
q+=GetPixelChannels(scale_image);
}
}
- if (SyncCacheViewAuthenticPixels(scale_view,exception) == MagickFalse)
+ if( IfMagickFalse(SyncCacheViewAuthenticPixels(scale_view,exception)) )
break;
proceed=SetImageProgress(image,ScaleImageTag,(MagickOffsetType) y,
image->rows);
- if (proceed == MagickFalse)
+ if( IfMagickFalse(proceed) )
break;
}
scale_view=DestroyCacheView(scale_view);
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
- if (image->debug != MagickFalse)
+ if( IfMagickTrue(image->debug) )
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
if (thumbnail_image == (Image *) NULL)
return(thumbnail_image);
(void) ParseAbsoluteGeometry("0x0+0+0",&thumbnail_image->page);
- if (thumbnail_image->matte == MagickFalse)
+ if( IfMagickFalse(thumbnail_image->matte) )
(void) SetImageAlphaChannel(thumbnail_image,OpaqueAlphaChannel,exception);
thumbnail_image->depth=8;
thumbnail_image->interlace=NoInterlace;
image->magick_filename);
(void) SetImageProperty(thumbnail_image,"Thumb::URI",value,exception);
(void) CopyMagickString(value,image->magick_filename,MaxTextExtent);
- if (GetPathAttributes(image->filename,&attributes) != MagickFalse)
+ if( IfMagickTrue(GetPathAttributes(image->filename,&attributes)) )
{
(void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
attributes.st_mtime);