//==================================================================
void HiderSampleCoordsBuffer::Init( u_int wd, u_int he, u_int subPixelDimLog2 )
{
mWd = wd;
mHe = he;
mSubPixelDimLog2 = subPixelDimLog2;
u_int sampsPerPixel = 1 << (subPixelDimLog2*2);
size_t sampArrSize = (size_t)mWd * (size_t)mHe * sampsPerPixel;
mpSampCoords = DNEW HiderSampleCoords [ sampArrSize ];
mpBaseSampCoords = DNEW HiderBaseSampleCoords [ sampArrSize ];
DUT::RandMT randGen( (U32)0x11112222 );
size_t sampsCnt = 0;
for (u_int y=0; y < mHe; ++y)
{
for (u_int x=0; x < mWd; ++x, sampsCnt += sampsPerPixel)
{
initPixel(
mpSampCoords + sampsCnt,
mpBaseSampCoords + sampsCnt,
subPixelDimLog2,
randGen );
}
}
}
simp* copyImage(simp *first, FILE *binary)
{
unsigned char a;
unsigned char b;
unsigned char c;
unsigned char d;
int row;
int col;
pixel pix;
for(row = 0; row < first->height; row++)
{
if(feof(binary))
{
break;
}
for(col = 0; col < first->width; col++)
{
if(feof(binary))
{
break;
}
fread(&a, 1, 1, binary);
fread(&b, 1, 1, binary);
fread(&c, 1, 1, binary);
fread(&d, 1, 1, binary);
pix = initPixel(a,b,c,d);
first->pixArray[row][col] = pix;
}
}
return first;
}
void overlayfunction(simp* first, simp* second, int starty, int startx)
{
int i;
int j;
int counter;
int k;
int l;
int innerstartx;
int innerstarty;
int ydifference;
innerstartx = startx;
innerstarty = starty;
if(innerstarty > first->height)
{
return;
}
if(innerstartx > first->width)
{
return;
}
if(innerstarty < 0 && innerstartx < 0)
{
int difference;
difference = 0 - innerstartx;
ydifference = 0 - innerstarty;
if(difference > second->width || ydifference > second->height)
{
return;
}
k = ydifference;
for(i = 0; i < second->height - ydifference; i++)
{
l = difference;
for(j = 0; j < second->width - difference ; j++)
{
unsigned char r1 = first->pixArray[i][j].r;
unsigned char g1 = first->pixArray[i][j].g;
unsigned char b1 = first->pixArray[i][j].b;
unsigned char a1 = first->pixArray[i][j].a;
unsigned char r2 = second->pixArray[k][l].r;
unsigned char g2 = second->pixArray[k][l].g;
unsigned char b2 = second->pixArray[k][l].b;
unsigned char a2 = second->pixArray[k][l].a;
if (a2 == 255)
{
first->pixArray[i][j].r = r2;
first->pixArray[i][j].g = g2;
first->pixArray[i][j].b = b2;
}
if (a2 < 255 && a2 > -1)
{
unsigned char newr = ( ( (a2) * (r2) ) /255.0 ) + ((( a1 * r1) * (255 - a2))/65025.0);
unsigned char newg = ( ( (a2) * (g2) ) /255.0 ) + ((( a1 * g1) * (255 - a2))/65025.0);
unsigned char newb = ( ( (a2) * (b2) ) /255.0 ) + ((( a1 * b1) * (255 - a2))/65025.0);
unsigned char newa = ( ( (a2) /255.0 ) + (((255 - a2) * a1)/65025.0 ) ) * 255;
pixel newpixel = initPixel(newr,newg,newb,newa);
first->pixArray[i][j] = newpixel;
}
l++;
}
k++;
}
return;
}
if(innerstartx < 0)
{
int difference;
difference = 0 - innerstartx;
if(difference > second->width)
{
return;
}
for(i = innerstarty; i < innerstarty + second->height; i++)
{
k = difference;
for(j = 0; j < second->width - difference; j++)
{
unsigned char r1 = first->pixArray[i][j].r;
unsigned char g1 = first->pixArray[i][j].g;
unsigned char b1 = first->pixArray[i][j].b;
unsigned char a1 = first->pixArray[i][j].a;
unsigned char r2 = second->pixArray[i-innerstarty][k].r;
unsigned char g2 = second->pixArray[i-innerstarty][k].g;
unsigned char b2 = second->pixArray[i-innerstarty][k].b;
unsigned char a2 = second->pixArray[i-innerstarty][k].a;
if (a2 == 255)
{
first->pixArray[i][j].r = r2;
first->pixArray[i][j].g = g2;
first->pixArray[i][j].b = b2;
}
if (a2 < 255 && a2 > -1)
{
unsigned char newr = ( ( (a2) * (r2) ) /255.0 ) + ((( a1 * r1) * (255 - a2))/65025.0);
unsigned char newg = ( ( (a2) * (g2) ) /255.0 ) + ((( a1 * g1) * (255 - a2))/65025.0);
unsigned char newb = ( ( (a2) * (b2) ) /255.0 ) + ((( a1 * b1) * (255 - a2))/65025.0);
unsigned char newa = ( ( (a2) /255.0 ) + (((255 - a2) * a1)/65025.0 ) ) * 255;
pixel newpixel = initPixel(newr,newg,newb,newa);
first->pixArray[i][j] = newpixel;
}
k++;
}
}
return;
}
if(innerstarty < 0)
{
int difference;
difference = 0 - innerstarty;
if(difference > second->height)
{
return;
}
k = difference;
for(i = 0; i < second->height - difference; i++)
{
for(j = innerstartx; j < innerstartx + second->width ; j++)
{
unsigned char r1 = first->pixArray[i][j].r;
unsigned char g1 = first->pixArray[i][j].g;
unsigned char b1 = first->pixArray[i][j].b;
unsigned char a1 = first->pixArray[i][j].a;
unsigned char r2 = second->pixArray[k][j-innerstartx].r;
unsigned char g2 = second->pixArray[k][j-innerstartx].g;
unsigned char b2 = second->pixArray[k][j-innerstartx].b;
unsigned char a2 = second->pixArray[k][j-innerstartx].a;
if (a2 == 255)
{
first->pixArray[i][j].r = r2;
first->pixArray[i][j].g = g2;
first->pixArray[i][j].b = b2;
}
if (a2 < 255 && a2 > -1)
{
unsigned char newr = ( ( (a2) * (r2) ) /255.0 ) + ((( a1 * r1) * (255 - a2))/65025.0);
unsigned char newg = ( ( (a2) * (g2) ) /255.0 ) + ((( a1 * g1) * (255 - a2))/65025.0);
unsigned char newb = ( ( (a2) * (b2) ) /255.0 ) + ((( a1 * b1) * (255 - a2))/65025.0);
unsigned char newa = ( ( (a2) /255.0 ) + (((255 - a2) * a1)/65025.0 ) ) * 255;
pixel newpixel = initPixel(newr,newg,newb,newa);
first->pixArray[i][j] = newpixel;
}
}
k++;
}
return;
}
for(i = innerstarty; i < starty + second->height && i < first->height; i++)
{
for(j = innerstartx; j < innerstartx + second->width && j < first->width; j++)
{
unsigned char r1;
unsigned char g1;
unsigned char b1;
unsigned char a1;
unsigned char r2;
unsigned char g2;
unsigned char b2;
unsigned char a2;
if(j >= first->width)
{
return;
}
r1 = first->pixArray[i][j].r;
g1 = first->pixArray[i][j].g;
b1 = first->pixArray[i][j].b;
a1 = first->pixArray[i][j].a;
r2 = second->pixArray[i-innerstarty][j-innerstartx].r;
g2 = second->pixArray[i-innerstarty][j-innerstartx].g;
b2 = second->pixArray[i-innerstarty][j-innerstartx].b;
a2 = second->pixArray[i-innerstarty][j-innerstartx].a;
if (second->pixArray[i-innerstarty][j-innerstartx].a == 255)
{
first->pixArray[i][j].r = r2;
first->pixArray[i][j].g = g2;
first->pixArray[i][j].b = b2;
}
if (second->pixArray[i-innerstarty][j-innerstartx].a < 255 && second->pixArray[i-innerstarty][j-innerstartx].a > -1)
{
unsigned char newr = ( ( (a2) * (r2) ) /255.0 ) + ((( a1 * r1) * (255 - a2))/65025.0);
unsigned char newg = ( ( (a2) * (g2) ) /255.0 ) + ((( a1 * g1) * (255 - a2))/65025.0);
unsigned char newb = ( ( (a2) * (b2) ) /255.0 ) + ((( a1 * b1) * (255 - a2))/65025.0);
unsigned char newa = ( ( (a2) /255.0 ) + (((255 - a2) * a1)/65025.0 ) ) * 255;
pixel newpixel = initPixel(newr,newg,newb,newa);
first->pixArray[i][j] = newpixel;
}
}
}
}
