case Average9InterpolatePixel: /* nearest 9 neighbours */
case Average16InterpolatePixel: /* nearest 16 neighbours */
{
- size_t
- count=2; /* size of the area to average - default nearest 4 */
+ ssize_t
+ count;
+ count=2; /* size of the area to average - default nearest 4 */
if (interpolate == Average9InterpolatePixel)
{
count=3;
x_offset=(ssize_t) (floor(x+0.5)-1);
y_offset=(ssize_t) (floor(y+0.5)-1);
}
- else if (interpolate == Average16InterpolatePixel)
- {
- count=4;
- x_offset--;
- y_offset--;
- }
+ else
+ if (interpolate == Average16InterpolatePixel)
+ {
+ count=4;
+ x_offset--;
+ y_offset--;
+ }
p=GetCacheViewVirtualPixels(image_view,x_offset,y_offset,count,count,
exception);
if (p == (const Quantum *) NULL)
status=MagickFalse;
break;
}
-
count*=count; /* Number of pixels to Average */
if ((traits & BlendPixelTrait) == 0)
for (i=0; i < (ssize_t) count; i++)
}
gamma=1.0; /* number of pixels blended together (its variable) */
for (i=0; i <= 1L; i++) {
- if ( y-y_offset >= 0.75 ) { /* take right pixels */
- alpha[i] = alpha[i+2];
- pixels[i] = pixels[i+2];
- }
- else if ( y-y_offset > 0.25 ) {
- gamma = 2.0; /* blend both pixels in row */
- alpha[i] += alpha[i+2]; /* add up alpha weights */
- pixels[i] += pixels[i+2];
- }
- }
- if ( x-x_offset >= 0.75 ) { /* take bottom row blend */
- alpha[0] = alpha[1];
- pixels[0] = pixels[1];
- }
- else if ( x-x_offset > 0.25 ) {
- gamma *= 2.0; /* blend both rows */
- alpha[0] += alpha[1]; /* add up alpha weights */
- pixels[0] += pixels[1];
+ if ((y-y_offset) >= 0.75)
+ {
+ alpha[i]=alpha[i+2]; /* take right pixels */
+ pixels[i]=pixels[i+2];
+ }
+ else
+ if ((y-y_offset) > 0.25)
+ {
+ gamma=2.0; /* blend both pixels in row */
+ alpha[i]+=alpha[i+2]; /* add up alpha weights */
+ pixels[i]+=pixels[i+2];
+ }
}
+ if ((x-x_offset) >= 0.75)
+ {
+ alpha[0]=alpha[1]; /* take bottom row blend */
+ pixels[0]=pixels[1];
+ }
+ else
+ if ((x-x_offset) > 0.25)
+ {
+ gamma*=2.0; /* blend both rows */
+ alpha[0]+=alpha[1]; /* add up alpha weights */
+ pixels[0]+=pixels[1];
+ }
if (channel != AlphaPixelChannel)
gamma=MagickEpsilonReciprocal(alpha[0]); /* (color) 1/alpha_weights */
else
case Average9InterpolatePixel: /* nearest 9 neighbours */
case Average16InterpolatePixel: /* nearest 16 neighbours */
{
- size_t
- count=2; /* size of the area to average - default nearest 4 */
+ ssize_t
+ count;
+ count=2; /* size of the area to average - default nearest 4 */
if (interpolate == Average9InterpolatePixel)
{
count=3;
x_offset=(ssize_t) (floor(x+0.5)-1);
y_offset=(ssize_t) (floor(y+0.5)-1);
}
- else if (interpolate == Average16InterpolatePixel)
- {
- count=4;
- x_offset--;
- y_offset--;
- }
+ else
+ if (interpolate == Average16InterpolatePixel)
+ {
+ count=4;
+ x_offset--;
+ y_offset--;
+ }
p=GetCacheViewVirtualPixels(source_view,x_offset,y_offset,count,count,
exception);
if (p == (const Quantum *) NULL)
status=MagickFalse;
break;
}
- count*=count; /* Number of pixels to Average */
+ count*=count; /* Number of pixels to Average */
for (i=0; i < (ssize_t) GetPixelChannels(source); i++)
{
double
GetPixelChannels(source));
pixels[j]=alpha[j]*p[j*GetPixelChannels(source)+channel];
}
- gamma=1.0; /* number of pixels blended together (its variable) */
- for (j=0; j <= 1L; j++) {
- if ( y-y_offset >= 0.75 ) { /* take right pixels */
- alpha[j] = alpha[j+2];
- pixels[j] = pixels[j+2];
- }
- else if ( y-y_offset > 0.25 ) {
- gamma = 2.0; /* blend both pixels in row */
- alpha[j] += alpha[j+2]; /* add up alpha weights */
- pixels[j] += pixels[j+2];
- }
- }
- if ( x-x_offset >= 0.75 ) { /* take bottom row blend */
- alpha[0] = alpha[1];
- pixels[0] = pixels[1];
- }
- else if ( x-x_offset > 0.25 ) {
- gamma *= 2.0; /* blend both rows */
- alpha[0] += alpha[1]; /* add up alpha weights */
- pixels[0] += pixels[1];
+ gamma=1.0; /* number of pixels blended together (its variable) */
+ for (j=0; j <= 1L; j++)
+ {
+ if ((y-y_offset) >= 0.75)
+ {
+ alpha[j]=alpha[j+2]; /* take right pixels */
+ pixels[j]=pixels[j+2];
+ }
+ else
+ if ((y-y_offset) > 0.25)
+ {
+ gamma=2.0; /* blend both pixels in row */
+ alpha[j]+=alpha[j+2]; /* add up alpha weights */
+ pixels[j]+=pixels[j+2];
+ }
}
+ if ((x-x_offset) >= 0.75)
+ {
+ alpha[0]=alpha[1]; /* take bottom row blend */
+ pixels[0]=pixels[1];
+ }
+ else
+ if ((x-x_offset) > 0.25)
+ {
+ gamma*=2.0; /* blend both rows */
+ alpha[0]+=alpha[1]; /* add up alpha weights */
+ pixels[0]+=pixels[1];
+ }
if ((traits & BlendPixelTrait) == 0)
gamma=MagickEpsilonReciprocal(alpha[0]); /* (color) 1/alpha_weights */
else
gamma=MagickEpsilonReciprocal(gamma); /* (alpha) 1/number_of_pixels */
SetPixelChannel(destination,channel,ClampToQuantum(gamma*pixels[0]),
- pixel);
+ pixel);
}
break;
}
}
delta.x=x-x_offset;
delta.y=y-y_offset;
- luminance.x=fabs((double)(
- GetPixelLuminance(source,p)
- -GetPixelLuminance(source,p+3*GetPixelChannels(source))));
- luminance.y=fabs((double)(
- GetPixelLuminance(source,p+GetPixelChannels(source))
- -GetPixelLuminance(source,p+2*GetPixelChannels(source))));
+ luminance.x=fabs((double) (GetPixelLuminance(source,p)-
+ GetPixelLuminance(source,p+3*GetPixelChannels(source))));
+ luminance.y=fabs((double) (GetPixelLuminance(source,p+
+ GetPixelChannels(source))-GetPixelLuminance(source,p+2*
+ GetPixelChannels(source))));
if (luminance.x < luminance.y)
{
/*
case Average9InterpolatePixel: /* nearest 9 neighbours */
case Average16InterpolatePixel: /* nearest 16 neighbours */
{
- size_t
- count=2; /* size of the area to average - default nearest 4 */
+ ssize_t
+ count;
+ count=2; /* size of the area to average - default nearest 4 */
if (interpolate == Average9InterpolatePixel)
{
count=3;
{
AlphaBlendPixelInfo(image,p,pixels,alpha);
gamma=MagickEpsilonReciprocal(alpha[0]);
- pixel->red += gamma*pixels[0].red;
- pixel->green += gamma*pixels[0].green;
- pixel->blue += gamma*pixels[0].blue;
- pixel->black += gamma*pixels[0].black;
- pixel->alpha += pixels[0].alpha;
+ pixel->red+=gamma*pixels[0].red;
+ pixel->green+=gamma*pixels[0].green;
+ pixel->blue+=gamma*pixels[0].blue;
+ pixel->black+=gamma*pixels[0].black;
+ pixel->alpha+=pixels[0].alpha;
p += GetPixelChannels(image);
}
gamma=1.0/count; /* average weighting of each pixel in area */
- pixel->red *= gamma;
- pixel->green *= gamma;
- pixel->blue *= gamma;
- pixel->black *= gamma;
- pixel->alpha *= gamma;
+ pixel->red*=gamma;
+ pixel->green*=gamma;
+ pixel->blue*=gamma;
+ pixel->black*=gamma;
+ pixel->alpha*=gamma;
break;
}
case BackgroundInterpolatePixel:
{
- *pixel = image->background_color; /* Copy PixelInfo Structure */
+ *pixel=image->background_color; /* Copy PixelInfo Structure */
break;
}
case BilinearInterpolatePixel:
}
for (i=0; i < 4L; i++)
AlphaBlendPixelInfo(image,p+i*GetPixelChannels(image),pixels+i,alpha+i);
- gamma=1.0; /* number of pixels blended together (its variable) */
- for (i=0; i <= 1L; i++) {
- if ( y-y_offset >= 0.75 ) { /* take right pixels */
- alpha[i] = alpha[i+2];
- pixels[i] = pixels[i+2];
- }
- else if ( y-y_offset > 0.25 ) {
- gamma = 2.0; /* blend both pixels in row */
- alpha[i] += alpha[i+2]; /* add up alpha weights */
- pixels[i].red += pixels[i+2].red;
- pixels[i].green += pixels[i+2].green;
- pixels[i].blue += pixels[i+2].blue;
- pixels[i].black += pixels[i+2].black;
- pixels[i].alpha += pixels[i+2].alpha;
- }
- }
- if ( x-x_offset >= 0.75 ) {
- alpha[0] = alpha[1];
- pixels[0] = pixels[1];
- }
- else if ( x-x_offset > 0.25 ) {
- gamma *= 2.0; /* blend both rows */
- alpha[0] += alpha[1]; /* add up alpha weights */
- pixels[0].red += pixels[1].red;
- pixels[0].green += pixels[1].green;
- pixels[0].blue += pixels[1].blue;
- pixels[0].black += pixels[1].black;
- pixels[0].alpha += pixels[1].alpha;
- }
- gamma = 1.0/gamma;
+ gamma=1.0; /* number of pixels blended together (its variable) */
+ for (i=0; i <= 1L; i++)
+ {
+ if ((y-y_offset) >= 0.75)
+ {
+ alpha[i]=alpha[i+2]; /* take right pixels */
+ pixels[i]=pixels[i+2];
+ }
+ else
+ if ((y-y_offset) > 0.25)
+ {
+ gamma=2.0; /* blend both pixels in row */
+ alpha[i]+=alpha[i+2]; /* add up alpha weights */
+ pixels[i].red+=pixels[i+2].red;
+ pixels[i].green+=pixels[i+2].green;
+ pixels[i].blue+=pixels[i+2].blue;
+ pixels[i].black+=pixels[i+2].black;
+ pixels[i].alpha+=pixels[i+2].alpha;
+ }
+ }
+ if ((x-x_offset) >= 0.75)
+ {
+ alpha[0]=alpha[1];
+ pixels[0]=pixels[1];
+ }
+ else
+ if ((x-x_offset) > 0.25)
+ {
+ gamma*=2.0; /* blend both rows */
+ alpha[0]+= alpha[1]; /* add up alpha weights */
+ pixels[0].red+=pixels[1].red;
+ pixels[0].green+=pixels[1].green;
+ pixels[0].blue+=pixels[1].blue;
+ pixels[0].black+=pixels[1].black;
+ pixels[0].alpha+=pixels[1].alpha;
+ }
+ gamma=1.0/gamma;
alpha[0]=MagickEpsilonReciprocal(alpha[0]);
- pixel->red = alpha[0]*pixels[0].red;
- pixel->green = alpha[0]*pixels[0].green; /* divide by sum of alpha */
- pixel->blue = alpha[0]*pixels[0].blue;
- pixel->black = alpha[0]*pixels[0].black;
- pixel->alpha = gamma*pixels[0].alpha; /* divide by number of pixels */
+ pixel->red=alpha[0]*pixels[0].red;
+ pixel->green=alpha[0]*pixels[0].green; /* divide by sum of alpha */
+ pixel->blue=alpha[0]*pixels[0].blue;
+ pixel->black=alpha[0]*pixels[0].black;
+ pixel->alpha=gamma*pixels[0].alpha; /* divide by number of pixels */
break;
}
case CatromInterpolatePixel:
AlphaBlendPixelInfo(image,p+i*GetPixelChannels(image),pixels+i,alpha+i);
CatromWeights((double) (x-x_offset),&cx);
CatromWeights((double) (y-y_offset),&cy);
- pixel->red=(cy[0]*(cx[0]*pixels[0].red+cx[1]*
- pixels[1].red+cx[2]*pixels[2].red+cx[3]*
- pixels[3].red)+cy[1]*(cx[0]*pixels[4].red+cx[1]*
- pixels[5].red+cx[2]*pixels[6].red+cx[3]*
- pixels[7].red)+cy[2]*(cx[0]*pixels[8].red+cx[1]*
- pixels[9].red+cx[2]*pixels[10].red+cx[3]*
- pixels[11].red)+cy[3]*(cx[0]*pixels[12].red+cx[1]*
- pixels[13].red+cx[2]*pixels[14].red+cx[3]*pixels[15].red));
- pixel->green=(cy[0]*(cx[0]*pixels[0].green+cx[1]*
- pixels[1].green+cx[2]*pixels[2].green+cx[3]*
- pixels[3].green)+cy[1]*(cx[0]*pixels[4].green+cx[1]*
- pixels[5].green+cx[2]*pixels[6].green+cx[3]*
- pixels[7].green)+cy[2]*(cx[0]*pixels[8].green+cx[1]*
- pixels[9].green+cx[2]*pixels[10].green+cx[3]*
- pixels[11].green)+cy[3]*(cx[0]*pixels[12].green+cx[1]*
- pixels[13].green+cx[2]*pixels[14].green+cx[3]*pixels[15].green));
- pixel->blue=(cy[0]*(cx[0]*pixels[0].blue+cx[1]*
- pixels[1].blue+cx[2]*pixels[2].blue+cx[3]*
- pixels[3].blue)+cy[1]*(cx[0]*pixels[4].blue+cx[1]*
- pixels[5].blue+cx[2]*pixels[6].blue+cx[3]*
- pixels[7].blue)+cy[2]*(cx[0]*pixels[8].blue+cx[1]*
- pixels[9].blue+cx[2]*pixels[10].blue+cx[3]*
- pixels[11].blue)+cy[3]*(cx[0]*pixels[12].blue+cx[1]*
- pixels[13].blue+cx[2]*pixels[14].blue+cx[3]*pixels[15].blue));
+ pixel->red=(cy[0]*(cx[0]*pixels[0].red+cx[1]*pixels[1].red+cx[2]*
+ pixels[2].red+cx[3]*pixels[3].red)+cy[1]*(cx[0]*pixels[4].red+cx[1]*
+ pixels[5].red+cx[2]*pixels[6].red+cx[3]*pixels[7].red)+cy[2]*(cx[0]*
+ pixels[8].red+cx[1]*pixels[9].red+cx[2]*pixels[10].red+cx[3]*
+ pixels[11].red)+cy[3]*(cx[0]*pixels[12].red+cx[1]*pixels[13].red+cx[2]*
+ pixels[14].red+cx[3]*pixels[15].red));
+ pixel->green=(cy[0]*(cx[0]*pixels[0].green+cx[1]*pixels[1].green+cx[2]*
+ pixels[2].green+cx[3]*pixels[3].green)+cy[1]*(cx[0]*pixels[4].green+
+ cx[1]*pixels[5].green+cx[2]*pixels[6].green+cx[3]*pixels[7].green)+
+ cy[2]*(cx[0]*pixels[8].green+cx[1]*pixels[9].green+cx[2]*
+ pixels[10].green+cx[3]*pixels[11].green)+cy[3]*(cx[0]*
+ pixels[12].green+cx[1]*pixels[13].green+cx[2]*pixels[14].green+cx[3]*
+ pixels[15].green));
+ pixel->blue=(cy[0]*(cx[0]*pixels[0].blue+cx[1]*pixels[1].blue+cx[2]*
+ pixels[2].blue+cx[3]*pixels[3].blue)+cy[1]*(cx[0]*pixels[4].blue+cx[1]*
+ pixels[5].blue+cx[2]*pixels[6].blue+cx[3]*pixels[7].blue)+cy[2]*(cx[0]*
+ pixels[8].blue+cx[1]*pixels[9].blue+cx[2]*pixels[10].blue+cx[3]*
+ pixels[11].blue)+cy[3]*(cx[0]*pixels[12].blue+cx[1]*pixels[13].blue+
+ cx[2]*pixels[14].blue+cx[3]*pixels[15].blue));
if (image->colorspace == CMYKColorspace)
- pixel->black=(cy[0]*(cx[0]*pixels[0].black+cx[1]*
- pixels[1].black+cx[2]*pixels[2].black+cx[3]*
- pixels[3].black)+cy[1]*(cx[0]*pixels[4].black+cx[1]*
- pixels[5].black+cx[2]*pixels[6].black+cx[3]*
- pixels[7].black)+cy[2]*(cx[0]*pixels[8].black+cx[1]*
- pixels[9].black+cx[2]*pixels[10].black+cx[3]*
- pixels[11].black)+cy[3]*(cx[0]*pixels[12].black+cx[1]*
- pixels[13].black+cx[2]*pixels[14].black+cx[3]*pixels[15].black));
- pixel->alpha=(cy[0]*(cx[0]*pixels[0].alpha+cx[1]*
- pixels[1].alpha+cx[2]*pixels[2].alpha+cx[3]*
- pixels[3].alpha)+cy[1]*(cx[0]*pixels[4].alpha+cx[1]*
- pixels[5].alpha+cx[2]*pixels[6].alpha+cx[3]*
- pixels[7].alpha)+cy[2]*(cx[0]*pixels[8].alpha+cx[1]*
- pixels[9].alpha+cx[2]*pixels[10].alpha+cx[3]*
- pixels[11].alpha)+cy[3]*(cx[0]*pixels[12].alpha+cx[1]*
- pixels[13].alpha+cx[2]*pixels[14].alpha+cx[3]*pixels[15].alpha));
+ pixel->black=(cy[0]*(cx[0]*pixels[0].black+cx[1]*pixels[1].black+cx[2]*
+ pixels[2].black+cx[3]*pixels[3].black)+cy[1]*(cx[0]*pixels[4].black+
+ cx[1]*pixels[5].black+cx[2]*pixels[6].black+cx[3]*pixels[7].black)+
+ cy[2]*(cx[0]*pixels[8].black+cx[1]*pixels[9].black+cx[2]*
+ pixels[10].black+cx[3]*pixels[11].black)+cy[3]*(cx[0]*
+ pixels[12].black+cx[1]*pixels[13].black+cx[2]*pixels[14].black+cx[3]*
+ pixels[15].black));
+ pixel->alpha=(cy[0]*(cx[0]*pixels[0].alpha+cx[1]*pixels[1].alpha+cx[2]*
+ pixels[2].alpha+cx[3]*pixels[3].alpha)+cy[1]*(cx[0]*pixels[4].alpha+
+ cx[1]*pixels[5].alpha+cx[2]*pixels[6].alpha+cx[3]*pixels[7].alpha)+
+ cy[2]*(cx[0]*pixels[8].alpha+cx[1]*pixels[9].alpha+cx[2]*
+ pixels[10].alpha+cx[3]*pixels[11].alpha)+cy[3]*(cx[0]*pixels[12].alpha+
+ cx[1]*pixels[13].alpha+cx[2]*pixels[14].alpha+cx[3]*pixels[15].alpha));
break;
}
#if 0
AlphaBlendPixelInfo(image,p+i*GetPixelChannels(image),pixels+i,alpha+i);
SplineWeights((double) (x-x_offset),&cx);
SplineWeights((double) (y-y_offset),&cy);
- pixel->red=(cy[0]*(cx[0]*pixels[0].red+cx[1]*
- pixels[1].red+cx[2]*pixels[2].red+cx[3]*
- pixels[3].red)+cy[1]*(cx[0]*pixels[4].red+cx[1]*
- pixels[5].red+cx[2]*pixels[6].red+cx[3]*
- pixels[7].red)+cy[2]*(cx[0]*pixels[8].red+cx[1]*
- pixels[9].red+cx[2]*pixels[10].red+cx[3]*
- pixels[11].red)+cy[3]*(cx[0]*pixels[12].red+cx[1]*
- pixels[13].red+cx[2]*pixels[14].red+cx[3]*pixels[15].red));
- pixel->green=(cy[0]*(cx[0]*pixels[0].green+cx[1]*
- pixels[1].green+cx[2]*pixels[2].green+cx[3]*
- pixels[3].green)+cy[1]*(cx[0]*pixels[4].green+cx[1]*
- pixels[5].green+cx[2]*pixels[6].green+cx[3]*
- pixels[7].green)+cy[2]*(cx[0]*pixels[8].green+cx[1]*
- pixels[9].green+cx[2]*pixels[10].green+cx[3]*
- pixels[11].green)+cy[3]*(cx[0]*pixels[12].green+cx[1]*
- pixels[13].green+cx[2]*pixels[14].green+cx[3]*pixels[15].green));
- pixel->blue=(cy[0]*(cx[0]*pixels[0].blue+cx[1]*
- pixels[1].blue+cx[2]*pixels[2].blue+cx[3]*
- pixels[3].blue)+cy[1]*(cx[0]*pixels[4].blue+cx[1]*
- pixels[5].blue+cx[2]*pixels[6].blue+cx[3]*
- pixels[7].blue)+cy[2]*(cx[0]*pixels[8].blue+cx[1]*
- pixels[9].blue+cx[2]*pixels[10].blue+cx[3]*
- pixels[11].blue)+cy[3]*(cx[0]*pixels[12].blue+cx[1]*
- pixels[13].blue+cx[2]*pixels[14].blue+cx[3]*pixels[15].blue));
+ pixel->red=(cy[0]*(cx[0]*pixels[0].red+cx[1]*pixels[1].red+cx[2]*
+ pixels[2].red+cx[3]*pixels[3].red)+cy[1]*(cx[0]*pixels[4].red+cx[1]*
+ pixels[5].red+cx[2]*pixels[6].red+cx[3]*pixels[7].red)+cy[2]*(cx[0]*
+ pixels[8].red+cx[1]*pixels[9].red+cx[2]*pixels[10].red+cx[3]*
+ pixels[11].red)+cy[3]*(cx[0]*pixels[12].red+cx[1]*pixels[13].red+cx[2]*
+ pixels[14].red+cx[3]*pixels[15].red));
+ pixel->green=(cy[0]*(cx[0]*pixels[0].green+cx[1]*pixels[1].green+cx[2]*
+ pixels[2].green+cx[3]*pixels[3].green)+cy[1]*(cx[0]*pixels[4].green+
+ cx[1]*pixels[5].green+cx[2]*pixels[6].green+cx[3]*pixels[7].green)+
+ cy[2]*(cx[0]*pixels[8].green+cx[1]*pixels[9].green+cx[2]*
+ pixels[10].green+cx[3]*pixels[11].green)+cy[3]*(cx[0]*pixels[12].green+
+ cx[1]*pixels[13].green+cx[2]*pixels[14].green+cx[3]*pixels[15].green));
+ pixel->blue=(cy[0]*(cx[0]*pixels[0].blue+cx[1]*pixels[1].blue+cx[2]*
+ pixels[2].blue+cx[3]*pixels[3].blue)+cy[1]*(cx[0]*pixels[4].blue+cx[1]*
+ pixels[5].blue+cx[2]*pixels[6].blue+cx[3]*pixels[7].blue)+cy[2]*(cx[0]*
+ pixels[8].blue+cx[1]*pixels[9].blue+cx[2]*pixels[10].blue+cx[3]*
+ pixels[11].blue)+cy[3]*(cx[0]*pixels[12].blue+cx[1]*pixels[13].blue+
+ cx[2]*pixels[14].blue+cx[3]*pixels[15].blue));
if (image->colorspace == CMYKColorspace)
- pixel->black=(cy[0]*(cx[0]*pixels[0].black+cx[1]*
- pixels[1].black+cx[2]*pixels[2].black+cx[3]*
- pixels[3].black)+cy[1]*(cx[0]*pixels[4].black+cx[1]*
- pixels[5].black+cx[2]*pixels[6].black+cx[3]*
- pixels[7].black)+cy[2]*(cx[0]*pixels[8].black+cx[1]*
- pixels[9].black+cx[2]*pixels[10].black+cx[3]*
- pixels[11].black)+cy[3]*(cx[0]*pixels[12].black+cx[1]*
- pixels[13].black+cx[2]*pixels[14].black+cx[3]*pixels[15].black));
- pixel->alpha=(cy[0]*(cx[0]*pixels[0].alpha+cx[1]*
- pixels[1].alpha+cx[2]*pixels[2].alpha+cx[3]*
- pixels[3].alpha)+cy[1]*(cx[0]*pixels[4].alpha+cx[1]*
- pixels[5].alpha+cx[2]*pixels[6].alpha+cx[3]*
- pixels[7].alpha)+cy[2]*(cx[0]*pixels[8].alpha+cx[1]*
- pixels[9].alpha+cx[2]*pixels[10].alpha+cx[3]*
- pixels[11].alpha)+cy[3]*(cx[0]*pixels[12].alpha+cx[1]*
- pixels[13].alpha+cx[2]*pixels[14].alpha+cx[3]*pixels[15].alpha));
+ pixel->black=(cy[0]*(cx[0]*pixels[0].black+cx[1]*pixels[1].black+cx[2]*
+ pixels[2].black+cx[3]*pixels[3].black)+cy[1]*(cx[0]*pixels[4].black+
+ cx[1]*pixels[5].black+cx[2]*pixels[6].black+cx[3]*pixels[7].black)+
+ cy[2]*(cx[0]*pixels[8].black+cx[1]*pixels[9].black+cx[2]*
+ pixels[10].black+cx[3]*pixels[11].black)+cy[3]*(cx[0]*
+ pixels[12].black+cx[1]*pixels[13].black+cx[2]*pixels[14].black+cx[3]*
+ pixels[15].black));
+ pixel->alpha=(cy[0]*(cx[0]*pixels[0].alpha+cx[1]*pixels[1].alpha+cx[2]*
+ pixels[2].alpha+cx[3]*pixels[3].alpha)+cy[1]*(cx[0]*pixels[4].alpha+
+ cx[1]*pixels[5].alpha+cx[2]*pixels[6].alpha+cx[3]*pixels[7].alpha)+
+ cy[2]*(cx[0]*pixels[8].alpha+cx[1]*pixels[9].alpha+cx[2]*
+ pixels[10].alpha+cx[3]*pixels[11].alpha)+cy[3]*(cx[0]*pixels[12].alpha+
+ cx[1]*pixels[13].alpha+cx[2]*pixels[14].alpha+cx[3]*pixels[15].alpha));
break;
}
}
projects / imagemagick / commitdiff