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class Blending
{
public:
Blending()
{
}
void Blend(int, void*);
double alpha, beta;
int key;
int minimumvalue;
};
----------------cpp------------------------
int maximumvalue = 100;
int minimumvalue;
void Blending:: Blend(int, void*)
{
alpha = (double)minimumvalue/ 100;
addWeighted(img,alpha,img2, 1.0 - alpha, 0, des);
imshow("Blendimage", des);
}
int main()
{
Blending bl;
bl.Blend(minimumvalue, 0);
createTrackbar("Blend", "Blendimage", &minimumvalue,maximumvalue,bl.Blend);
waitKey(0);
imshow("Blendimage", des),waitKey(0);
return 0;
}
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