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removed kernel normalization inside function

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This commit is contained in:
kimo-s 2023-11-15 14:51:24 -05:00
parent 6d286a7837
commit eff1b59f46
1 changed files with 21 additions and 4 deletions
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25
examples/textures/textures_image_kernel.c
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@ -18,6 +18,19 @@
//------------------------------------------------------------------------------------
// Program main entry point
//------------------------------------------------------------------------------------
void normalizeKernel(float *kernel, int size){
float sum = 0.0f;
for(int i = 0; i < size; i++){
sum += kernel[i];
}
if(sum != 0.0f){
for(int i = 0; i < size; i++){
kernel[i] /= sum;
}
}
}
int main(void)
{
// Initialization
@ -38,19 +51,23 @@ int main(void)
2.0, 0.0, -2.0,
1.0, 0.0, -1.0};
float sharpenkernel[] = {0.0, 1.0, 0.0,
float sharpenkernel[] = {0.0, -1.0, 0.0,
-1.0, 5.0, -1.0,
0.0, -1.0, 0.0};
normalizeKernel(gaussiankernel, 9);
normalizeKernel(sharpenkernel, 9);
normalizeKernel(sobelkernel, 9);
Image catSharpend = ImageCopy(image);
ImageKernelConvolution(&catSharpend, sharpenkernel, 16);
ImageKernelConvolution(&catSharpend, sharpenkernel, 9);
Image catSobel = ImageCopy(image);
ImageKernelConvolution(&catSobel, sobelkernel, 16);
ImageKernelConvolution(&catSobel, sobelkernel, 9);
Image catGaussian = ImageCopy(image);
for(int i = 0; i < 6; i++){
ImageKernelConvolution(&catGaussian, gaussiankernel, 16);
ImageKernelConvolution(&catGaussian, gaussiankernel, 9);
}
ImageCrop(&image, (Rectangle){ 0, 0, (float)200, (float)450 });