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void Image::CombineNoise(byte combineType, byte noiseType, cCol3D& maxcolor, Image* mask)
{
byte *maskBf=0;
if(mask)
{
uint mask_pixels=mask->Width*mask->Height;
maskBf=(byte*)malloc(mask_pixels);
if(mask->Format!=ImageFormat_Luminance)
for(uint i=0, ic=0; i<mask_pixels; i++, ic+=mask->Components)
maskBf[i]=min((byte)255)((byte)(mask->Data[ic]*0.3f+mask->Data[ic+1]*0.59f+mask->Data[ic+2]*0.11f));
else memcpy(maskBf, mask->Data, mask_pixels);
if(mask->Width!=Width || mask->Height!=Height)
{
byte* maskBf2=ScaleImage(Width, Height, maskBf, mask->Width, mask->Height, 1);
free(maskBf);
maskBf=maskBf2;
}
}
uint pixels=Width*Height;
uint size=pixels*Components;
if(Data && Width>0 && Height>0)
{
if(noiseType==0 && Format!=ImageFormat_Luminance) //Цветной шум
{
switch(combineType)
{
case 0: //Модуляция
if(mask)
for(uint i=0, ic=0; ic<size; i++, ic+=Components)
{
if(maskBf[i]<=127) continue;
Data[ic]=min<byte>(Data[ic]*(rand()%maxcolor.r)/255)(255);
if(Components<2) continue;
Data[ic+1]=min<byte>(Data[ic+1]*(rand()%maxcolor.g)/255)(255);
if(Components<3) continue;
Data[ic+2]=min<byte>(Data[ic+2]*(rand()%maxcolor.b)/255)(255);
}
else
for(uint ic=0; ic<size; ic+=Components)
{
Data[ic]=min<byte>(Data[ic]*(rand()%maxcolor.r)/255)(255);
if(Components<2) continue;
Data[ic+1]=min<byte>(Data[ic+1]*(rand()%maxcolor.g)/255)(255);
if(Components<3) continue;
Data[ic+2]=min<byte>(Data[ic+2]*(rand()%maxcolor.b)/255)(255);
}
break;
case 1: //Сложение
if(mask)
for(uint i=0, ic=0; ic<size; i++, ic+=Components)
{
float factor=maskBf[i]/255.0f;
Data[ic]=(byte)min(Data[ic]+(rand()%maxcolor.r*factor))(255);
if(Components<2) continue;
Data[ic+1]=(byte)min(Data[ic+1]+(rand()%maxcolor.g*factor))(255);
if(Components<3) continue;
Data[ic+2]=(byte)min(Data[ic+2]+(rand()%maxcolor.b*factor))(255);
}
else
for(uint ic=0; ic<size; ic+=Components)
{
Data[ic]=min<byte>(Data[ic]+(maxcolor.r>0? rand()%maxcolor.r: 0))(255);
Data[ic+1]=min<byte>(Data[ic+1]+(maxcolor.g>0? rand()%maxcolor.g: 0))(255);
Data[ic+2]=min<byte>(Data[ic+2]+(maxcolor.b>0? rand()%maxcolor.b: 0))(255);
}
break;
case 2: //Вычитание
if(mask)
for(uint i=0, ic=0; ic<size; i++, ic+=Components)
{
float factor=maskBf[i]/255.0f;
Data[ic]=(byte)max(Data[ic]-(rand()%maxcolor.r*factor))(0);
if(Components<2) continue;
Data[ic+1]=(byte)max(Data[i+1]-(rand()%maxcolor.g*factor))(0);
if(Components<3) continue;
Data[ic+2]=(byte)max(Data[i+2]-(rand()%maxcolor.b*factor))(0);
}
else
for(uint ic=0; ic<size; ic+=Components)
{
Data[ic]=max<byte>(Data[ic]-rand()%maxcolor.r)(0);
if(Components<2) continue;
Data[ic+1]=max<byte>(Data[ic+1]-rand()%maxcolor.g)(0);
if(Components<3) continue;
Data[ic+2]=max<byte>(Data[ic+2]-rand()%maxcolor.b)(0);
}
break;
case 3: //Средний цвет
//На говнокод не лезет больше. Такая гигантская функция.
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