% July 1998 %
% %
% %
-% Copyright 1999-2015 ImageMagick Studio LLC, a non-profit organization %
+% Copyright 1999-2018 ImageMagick Studio LLC, a non-profit organization %
% dedicated to making software imaging solutions freely available. %
% %
% You may not use this file except in compliance with the License. You may %
% obtain a copy of the License at %
% %
-% http://www.imagemagick.org/script/license.php %
+% https://imagemagick.org/script/license.php %
% %
% Unless required by applicable law or agreed to in writing, software %
% distributed under the License is distributed on an "AS IS" BASIS, %
const ssize_t y_offset,const MagickBooleanType invert,
ExceptionInfo *exception)
{
-#define MaxStacksize 262144UL
+#define MaxStacksize 524288UL
#define PushSegmentStack(up,left,right,delta) \
{ \
if (s >= (segment_stack+MaxStacksize)) \
ssize_t
offset,
start,
- x,
x1,
x2,
y;
/*
Set floodfill state.
*/
- floodplane_image=CloneImage(image,image->columns,image->rows,MagickTrue,
+ floodplane_image=CloneImage(image,0,0,MagickTrue,
exception);
if (floodplane_image == (Image *) NULL)
return(MagickFalse);
Push initial segment on stack.
*/
status=MagickTrue;
- x=x_offset;
- y=y_offset;
start=0;
s=segment_stack;
- PushSegmentStack(y,x,x,1);
- PushSegmentStack(y+1,x,x,-1);
+ PushSegmentStack(y_offset,x_offset,x_offset,1);
+ PushSegmentStack(y_offset+1,x_offset,x_offset,-1);
GetPixelInfo(image,&pixel);
image_view=AcquireVirtualCacheView(image,exception);
floodplane_view=AcquireAuthenticCacheView(floodplane_image,exception);
while (s > segment_stack)
{
register const Quantum
- *restrict p;
+ *magick_restrict p;
register Quantum
- *restrict q;
+ *magick_restrict q;
register ssize_t
x;
} while (x <= x2);
}
status=MagickTrue;
-#if defined(MAGICKCORE_OPENMP_SUPPORT)
- #pragma omp parallel for schedule(static,4) shared(status) \
- magick_threads(floodplane_image,image,floodplane_image->rows,1)
-#endif
for (y=0; y < (ssize_t) image->rows; y++)
{
register const Quantum
- *restrict p;
+ *magick_restrict p;
register Quantum
- *restrict q;
+ *magick_restrict q;
register ssize_t
x;
{
if (GetPixelGray(floodplane_image,p) != 0)
{
- (void) GetFillColor(draw_info,x,y,&fill_color,exception);
+ GetFillColor(draw_info,x,y,&fill_color,exception);
SetPixelViaPixelInfo(image,&fill_color,q);
}
p+=GetPixelChannels(floodplane_image);
% o exception: return any errors or warnings in this structure.
%
*/
-
-static inline double MagickRound(double x)
-{
- /*
- Round the fraction to nearest integer.
- */
- if ((x-floor(x)) < (ceil(x)-x))
- return(floor(x));
- return(ceil(x));
-}
-
MagickExport MagickBooleanType GradientImage(Image *image,
const GradientType type,const SpreadMethod method,const StopInfo *stops,
const size_t number_stops,ExceptionInfo *exception)
artifact=GetImageArtifact(image,"gradient:bounding-box");
if (artifact != (const char *) NULL)
(void) ParseAbsoluteGeometry(artifact,&gradient->bounding_box);
- gradient->gradient_vector.x2=(double) image->columns-1.0;
- gradient->gradient_vector.y2=(double) image->rows-1.0;
+ gradient->gradient_vector.x2=(double) image->columns-1;
+ gradient->gradient_vector.y2=(double) image->rows-1;
artifact=GetImageArtifact(image,"gradient:direction");
if (artifact != (const char *) NULL)
{
{
case NorthWestGravity:
{
- gradient->gradient_vector.x1=(double) image->columns-1.0;
- gradient->gradient_vector.y1=(double) image->rows-1.0;
+ gradient->gradient_vector.x1=(double) image->columns-1;
+ gradient->gradient_vector.y1=(double) image->rows-1;
gradient->gradient_vector.x2=0.0;
gradient->gradient_vector.y2=0.0;
break;
case NorthGravity:
{
gradient->gradient_vector.x1=0.0;
- gradient->gradient_vector.y1=(double) image->rows-1.0;
+ gradient->gradient_vector.y1=(double) image->rows-1;
gradient->gradient_vector.x2=0.0;
gradient->gradient_vector.y2=0.0;
break;
case NorthEastGravity:
{
gradient->gradient_vector.x1=0.0;
- gradient->gradient_vector.y1=(double) image->rows-1.0;
- gradient->gradient_vector.x2=(double) image->columns-1.0;
+ gradient->gradient_vector.y1=(double) image->rows-1;
+ gradient->gradient_vector.x2=(double) image->columns-1;
gradient->gradient_vector.y2=0.0;
break;
}
case WestGravity:
{
- gradient->gradient_vector.x1=(double) image->columns-1.0;
+ gradient->gradient_vector.x1=(double) image->columns-1;
gradient->gradient_vector.y1=0.0;
gradient->gradient_vector.x2=0.0;
gradient->gradient_vector.y2=0.0;
{
gradient->gradient_vector.x1=0.0;
gradient->gradient_vector.y1=0.0;
- gradient->gradient_vector.x2=(double) image->columns-1.0;
+ gradient->gradient_vector.x2=(double) image->columns-1;
gradient->gradient_vector.y2=0.0;
break;
}
case SouthWestGravity:
{
- gradient->gradient_vector.x1=(double) image->columns-1.0;
+ gradient->gradient_vector.x1=(double) image->columns-1;
gradient->gradient_vector.y1=0.0;
gradient->gradient_vector.x2=0.0;
- gradient->gradient_vector.y2=(double) image->rows-1.0;
+ gradient->gradient_vector.y2=(double) image->rows-1;
break;
}
case SouthGravity:
gradient->gradient_vector.x1=0.0;
gradient->gradient_vector.y1=0.0;
gradient->gradient_vector.x2=0.0;
- gradient->gradient_vector.y2=(double) image->columns-1.0;
+ gradient->gradient_vector.y2=(double) image->columns-1;
break;
}
case SouthEastGravity:
{
gradient->gradient_vector.x1=0.0;
gradient->gradient_vector.y1=0.0;
- gradient->gradient_vector.x2=(double) image->columns-1.0;
- gradient->gradient_vector.y2=(double) image->rows-1.0;
+ gradient->gradient_vector.x2=(double) image->columns-1;
+ gradient->gradient_vector.y2=(double) image->rows-1;
break;
}
default:
}
artifact=GetImageArtifact(image,"gradient:angle");
if (artifact != (const char *) NULL)
- {
- double
- angle,
- cosine,
- distance,
- sine;
-
- angle=StringToDouble(artifact,(char **) NULL);
- cosine=cos(MagickPI*angle/180.0);
- sine=sin(MagickPI*angle/180.0);
- distance=fabs(sine*image->columns)+fabs(cosine*image->rows);
- gradient->gradient_vector.x1=MagickRound(0.5*(image->columns-cosine*
- distance));
- gradient->gradient_vector.y1=MagickRound(0.5*(image->rows-sine*
- distance));
- gradient->gradient_vector.x2=MagickRound(0.5*(image->columns+cosine*
- distance));
- gradient->gradient_vector.y2=MagickRound(0.5*(image->rows+sine*
- distance));
- }
+ gradient->angle=StringToDouble(artifact,(char **) NULL);
artifact=GetImageArtifact(image,"gradient:vector");
if (artifact != (const char *) NULL)
(void) sscanf(artifact,"%lf%*[ ,]%lf%*[ ,]%lf%*[ ,]%lf",
&gradient->gradient_vector.x1,&gradient->gradient_vector.y1,
&gradient->gradient_vector.x2,&gradient->gradient_vector.y2);
- if ((GetImageArtifact(image,"gradient:direction") == (const char *) NULL) &&
- (GetImageArtifact(image,"gradient:angle") == (const char *) NULL) &&
+ if ((GetImageArtifact(image,"gradient:angle") == (const char *) NULL) &&
+ (GetImageArtifact(image,"gradient:direction") == (const char *) NULL) &&
+ (GetImageArtifact(image,"gradient:extent") == (const char *) NULL) &&
(GetImageArtifact(image,"gradient:vector") == (const char *) NULL))
if ((type == LinearGradient) && (gradient->gradient_vector.y2 != 0.0))
gradient->gradient_vector.x2=0.0;
if (artifact != (const char *) NULL)
(void) sscanf(artifact,"%lf%*[ ,]%lf",&gradient->center.x,
&gradient->center.y);
- gradient->radius=MagickMax(gradient->center.x,gradient->center.y);
- artifact=GetImageArtifact(image,"gradient:radius");
+ artifact=GetImageArtifact(image,"gradient:angle");
+ if ((type == LinearGradient) && (artifact != (const char *) NULL))
+ {
+ double
+ sine,
+ cosine,
+ distance;
+
+ /*
+ Reference https://drafts.csswg.org/css-images-3/#linear-gradients.
+ */
+ sine=sin((double) DegreesToRadians(gradient->angle-90.0));
+ cosine=cos((double) DegreesToRadians(gradient->angle-90.0));
+ distance=fabs((double) (image->columns-1.0)*cosine)+
+ fabs((double) (image->rows-1.0)*sine);
+ gradient->gradient_vector.x1=0.5*((image->columns-1.0)-distance*cosine);
+ gradient->gradient_vector.y1=0.5*((image->rows-1.0)-distance*sine);
+ gradient->gradient_vector.x2=0.5*((image->columns-1.0)+distance*cosine);
+ gradient->gradient_vector.y2=0.5*((image->rows-1.0)+distance*sine);
+ }
+ gradient->radii.x=(double) MagickMax((image->columns-1.0),(image->rows-1.0))/
+ 2.0;
+ gradient->radii.y=gradient->radii.x;
+ artifact=GetImageArtifact(image,"gradient:extent");
if (artifact != (const char *) NULL)
- gradient->radius=StringToDouble(artifact,(char **) NULL);
+ {
+ if (LocaleCompare(artifact,"Circle") == 0)
+ {
+ gradient->radii.x=(double) MagickMax((image->columns-1.0),
+ (image->rows-1.0))/2.0;
+ gradient->radii.y=gradient->radii.x;
+ }
+ if (LocaleCompare(artifact,"Diagonal") == 0)
+ {
+ gradient->radii.x=(double) (sqrt((double) (image->columns-1.0)*
+ (image->columns-1.0)+(image->rows-1.0)*(image->rows-1.0)))/2.0;
+ gradient->radii.y=gradient->radii.x;
+ }
+ if (LocaleCompare(artifact,"Ellipse") == 0)
+ {
+ gradient->radii.x=(double) (image->columns-1.0)/2.0;
+ gradient->radii.y=(double) (image->rows-1.0)/2.0;
+ }
+ if (LocaleCompare(artifact,"Maximum") == 0)
+ {
+ gradient->radii.x=(double) MagickMax((image->columns-1.0),
+ (image->rows-1.0))/2.0;
+ gradient->radii.y=gradient->radii.x;
+ }
+ if (LocaleCompare(artifact,"Minimum") == 0)
+ {
+ gradient->radii.x=(double) (MagickMin((image->columns-1.0),
+ (image->rows-1.0)))/2.0;
+ gradient->radii.y=gradient->radii.x;
+ }
+ }
+ artifact=GetImageArtifact(image,"gradient:radii");
+ if (artifact != (const char *) NULL)
+ (void) sscanf(artifact,"%lf%*[ ,]%lf",&gradient->radii.x,
+ &gradient->radii.y);
+ gradient->radius=MagickMax(gradient->radii.x,gradient->radii.y);
gradient->spread=method;
/*
Define the gradient to fill between the stops.
if (gradient->stops == (StopInfo *) NULL)
ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed",
image->filename);
- (void) CopyMagickMemory(gradient->stops,stops,(size_t) number_stops*
+ (void) memcpy(gradient->stops,stops,(size_t) number_stops*
sizeof(*stops));
/*
Draw a gradient on the image.
histogram=(size_t **) AcquireQuantumMemory(number_threads,sizeof(*histogram));
if (histogram == (size_t **) NULL)
return((size_t **) NULL);
- (void) ResetMagickMemory(histogram,0,number_threads*sizeof(*histogram));
+ (void) memset(histogram,0,number_threads*sizeof(*histogram));
for (i=0; i < (ssize_t) number_threads; i++)
{
histogram[i]=(size_t *) AcquireQuantumMemory(count,sizeof(**histogram));
assert(exception->signature == MagickCoreSignature);
width=GetOptimalKernelWidth2D(radius,sigma);
linear_image=CloneImage(image,0,0,MagickTrue,exception);
- paint_image=CloneImage(image,image->columns,image->rows,MagickTrue,exception);
+ paint_image=CloneImage(image,0,0,MagickTrue,exception);
if ((linear_image == (Image *) NULL) || (paint_image == (Image *) NULL))
{
if (linear_image != (Image *) NULL)
image_view=AcquireVirtualCacheView(linear_image,exception);
paint_view=AcquireAuthenticCacheView(paint_image,exception);
#if defined(MAGICKCORE_OPENMP_SUPPORT)
- #pragma omp parallel for schedule(static,4) shared(progress,status) \
- magick_threads(linear_image,paint_image,linear_image->rows,1)
+ #pragma omp parallel for schedule(static) shared(progress,status) \
+ magick_number_threads(linear_image,paint_image,linear_image->rows,1)
#endif
for (y=0; y < (ssize_t) linear_image->rows; y++)
{
register const Quantum
- *restrict p;
+ *magick_restrict p;
register Quantum
- *restrict q;
+ *magick_restrict q;
register size_t
*histogram;
k=0;
j=0;
count=0;
- (void) ResetMagickMemory(histogram,0,NumberPaintBins* sizeof(*histogram));
+ (void) memset(histogram,0,NumberPaintBins* sizeof(*histogram));
for (v=0; v < (ssize_t) width; v++)
{
for (u=0; u < (ssize_t) width; u++)
}
for (i=0; i < (ssize_t) GetPixelChannels(linear_image); i++)
{
- PixelChannel channel=GetPixelChannelChannel(linear_image,i);
- PixelTrait traits=GetPixelChannelTraits(linear_image,channel);
+ PixelChannel channel = GetPixelChannelChannel(linear_image,i);
+ PixelTrait traits = GetPixelChannelTraits(linear_image,channel);
PixelTrait paint_traits=GetPixelChannelTraits(paint_image,channel);
if ((traits == UndefinedPixelTrait) ||
(paint_traits == UndefinedPixelTrait))
continue;
- if (((paint_traits & CopyPixelTrait) != 0) ||
- (GetPixelReadMask(linear_image,p) == 0))
+ if ((paint_traits & CopyPixelTrait) != 0)
{
SetPixelChannel(paint_image,channel,p[center+i],q);
continue;
GetPixelInfo(image,&zero);
image_view=AcquireAuthenticCacheView(image,exception);
#if defined(MAGICKCORE_OPENMP_SUPPORT)
- #pragma omp parallel for schedule(static,4) shared(progress,status) \
- magick_threads(image,image,image->rows,1)
+ #pragma omp parallel for schedule(static) shared(progress,status) \
+ magick_number_threads(image,image,image->rows,1)
#endif
for (y=0; y < (ssize_t) image->rows; y++)
{
pixel;
register Quantum
- *restrict q;
+ *magick_restrict q;
register ssize_t
x;
{
GetPixelInfoPixel(image,q,&pixel);
if (IsFuzzyEquivalencePixelInfo(&pixel,&conform_target) != invert)
- SetPixelViaPixelInfo(image,&conform_fill,q);
+ {
+ PixelTrait
+ traits;
+
+ traits=GetPixelChannelTraits(image,RedPixelChannel);
+ if ((traits & UpdatePixelTrait) != 0)
+ SetPixelRed(image,(Quantum) conform_fill.red,q);
+ traits=GetPixelChannelTraits(image,GreenPixelChannel);
+ if ((traits & UpdatePixelTrait) != 0)
+ SetPixelGreen(image,(Quantum) conform_fill.green,q);
+ traits=GetPixelChannelTraits(image,BluePixelChannel);
+ if ((traits & UpdatePixelTrait) != 0)
+ SetPixelBlue(image,(Quantum) conform_fill.blue,q);
+ traits=GetPixelChannelTraits(image,BlackPixelChannel);
+ if ((traits & UpdatePixelTrait) != 0)
+ SetPixelBlack(image,(Quantum) conform_fill.black,q);
+ traits=GetPixelChannelTraits(image,AlphaPixelChannel);
+ if ((traits & UpdatePixelTrait) != 0)
+ SetPixelAlpha(image,(Quantum) conform_fill.alpha,q);
+ }
q+=GetPixelChannels(image);
}
if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
GetPixelInfo(image,&zero);
image_view=AcquireAuthenticCacheView(image,exception);
#if defined(MAGICKCORE_OPENMP_SUPPORT)
- #pragma omp parallel for schedule(static,4) shared(progress,status) \
- magick_threads(image,image,image->rows,1)
+ #pragma omp parallel for schedule(static) shared(progress,status) \
+ magick_number_threads(image,image,image->rows,1)
#endif
for (y=0; y < (ssize_t) image->rows; y++)
{
x;
register Quantum
- *restrict q;
+ *magick_restrict q;
if (status == MagickFalse)
continue;
progress=0;
image_view=AcquireAuthenticCacheView(image,exception);
#if defined(MAGICKCORE_OPENMP_SUPPORT)
- #pragma omp parallel for schedule(static,4) shared(progress,status) \
- magick_threads(image,image,image->rows,1)
+ #pragma omp parallel for schedule(static) shared(progress,status) \
+ magick_number_threads(image,image,image->rows,1)
#endif
for (y=0; y < (ssize_t) image->rows; y++)
{
pixel;
register Quantum
- *restrict q;
+ *magick_restrict q;
register ssize_t
x;