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continued working on the pipes part

This commit is contained in:
ItsMAX0112 2024-11-04 03:28:41 +05:30
parent 0cc2998922
commit 04e67b26b7
2 changed files with 26 additions and 54 deletions
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80
lab4/src/pipes/important.cpp
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@ -6,103 +6,83 @@
using namespace std;
struct image_t *S1_smoothen(struct image_t *input_image)
float *S1_smoothen(struct image_t *input_image, float *smooth)
{
// cout << input_image->width << input_image->height << " " << input_image->image_pixels << endl;
int width = input_image->width;
int height = input_image->height;
// memory allocation
struct image_t *smoother = new struct image_t;
smoother->height = height;
smoother->width = width;
smoother->image_pixels = new uint8_t **[height];
long ind = 0;
for (int i = 0; i < height; i++)
{
smoother->image_pixels[i] = new uint8_t *[width];
for (int j = 0; j < width; j++)
smoother->image_pixels[i][j] = new uint8_t[3];
}
for (int i = 1; i < height - 1; i++)
{
for (int j = 1; j < width - 1; j++)
{
for (int k = 0; k < 3; k++)
{
// image->image_pixels[i][j][k] = val;
// edge cases
if (i == 0 && j == 0)
{ // i-1 and j - 1 doesnt exist
smoother->image_pixels[i][j][k] = (input_image->image_pixels[i][j][k] / 4 + input_image->image_pixels[i][j + 1][k] / 4 + input_image->image_pixels[i + 1][j][k] / 4 + input_image->image_pixels[i + 1][j + 1][k] / 4);
smooth[ind] = (float)(input_image->image_pixels[i][j][k] / 4 + input_image->image_pixels[i][j + 1][k] / 4 + input_image->image_pixels[i + 1][j][k] / 4 + input_image->image_pixels[i + 1][j + 1][k] / 4);
}
else if (i == height - 1 && j == 0)
{ // i+1 and j-1 does not exist
smoother->image_pixels[i][j][k] = (input_image->image_pixels[i - 1][j][k] / 4 + input_image->image_pixels[i - 1][j + 1][k] / 4 + input_image->image_pixels[i][j][k] / 4 + input_image->image_pixels[i][j + 1][k] / 4);
smooth[ind] = (float)(input_image->image_pixels[i - 1][j][k] / 4 + input_image->image_pixels[i - 1][j + 1][k] / 4 + input_image->image_pixels[i][j][k] / 4 + input_image->image_pixels[i][j + 1][k] / 4);
}
else if (i == 0 && j == width - 1)
{ // i-1 and j+1 does not exist
smoother->image_pixels[i][j][k] = (input_image->image_pixels[i][j - 1][k] / 4 + input_image->image_pixels[i][j][k] / 4 + input_image->image_pixels[i + 1][j - 1][k] / 4 + input_image->image_pixels[i + 1][j][k] / 4);
smooth[ind] = (float)(input_image->image_pixels[i][j - 1][k] / 4 + input_image->image_pixels[i][j][k] / 4 + input_image->image_pixels[i + 1][j - 1][k] / 4 + input_image->image_pixels[i + 1][j][k] / 4);
}
else if (i == height - 1 && j == width - 1)
{ // i+1 and j+1 does not exist
smoother->image_pixels[i][j][k] = (input_image->image_pixels[i - 1][j - 1][k] / 4 + input_image->image_pixels[i - 1][j][k] / 4 + input_image->image_pixels[i][j - 1][k] / 4 + input_image->image_pixels[i][j][k] / 4);
smooth[ind] = (float)(input_image->image_pixels[i - 1][j - 1][k] / 4 + input_image->image_pixels[i - 1][j][k] / 4 + input_image->image_pixels[i][j - 1][k] / 4 + input_image->image_pixels[i][j][k] / 4);
}
else if (i == 0)
{ // i - 1 does not exist
smoother->image_pixels[i][j][k] = (input_image->image_pixels[i][j - 1][k] / 6 + input_image->image_pixels[i][j][k] / 6 + input_image->image_pixels[i][j + 1][k] / 6 + input_image->image_pixels[i + 1][j - 1][k] / 6 + input_image->image_pixels[i + 1][j][k] / 6 + input_image->image_pixels[i + 1][j + 1][k] / 6);
smooth[ind] = (float)(input_image->image_pixels[i][j - 1][k] / 6 + input_image->image_pixels[i][j][k] / 6 + input_image->image_pixels[i][j + 1][k] / 6 + input_image->image_pixels[i + 1][j - 1][k] / 6 + input_image->image_pixels[i + 1][j][k] / 6 + input_image->image_pixels[i + 1][j + 1][k] / 6);
}
else if (j == 0)
{ // j -1 does not exist
smoother->image_pixels[i][j][k] = (input_image->image_pixels[i - 1][j][k] / 6 + input_image->image_pixels[i - 1][j + 1][k] / 6 + input_image->image_pixels[i][j][k] / 6 + input_image->image_pixels[i][j + 1][k] / 6 + input_image->image_pixels[i + 1][j][k] / 6 + input_image->image_pixels[i + 1][j + 1][k] / 6);
smooth[ind] = (float)(input_image->image_pixels[i - 1][j][k] / 6 + input_image->image_pixels[i - 1][j + 1][k] / 6 + input_image->image_pixels[i][j][k] / 6 + input_image->image_pixels[i][j + 1][k] / 6 + input_image->image_pixels[i + 1][j][k] / 6 + input_image->image_pixels[i + 1][j + 1][k] / 6);
}
else if (i == height - 1)
{ // i+1 does not exist
smoother->image_pixels[i][j][k] = (input_image->image_pixels[i - 1][j - 1][k] / 6 + input_image->image_pixels[i - 1][j][k] / 6 + input_image->image_pixels[i - 1][j + 1][k] / 6 + input_image->image_pixels[i][j - 1][k] / 6 + input_image->image_pixels[i][j][k] / 6 + input_image->image_pixels[i][j + 1][k] / 6);
smooth[ind] = (float)(input_image->image_pixels[i - 1][j - 1][k] / 6 + input_image->image_pixels[i - 1][j][k] / 6 + input_image->image_pixels[i - 1][j + 1][k] / 6 + input_image->image_pixels[i][j - 1][k] / 6 + input_image->image_pixels[i][j][k] / 6 + input_image->image_pixels[i][j + 1][k] / 6);
}
else if (j == width - 1)
{ // j + 1 does not exist
smoother->image_pixels[i][j][k] = (input_image->image_pixels[i - 1][j - 1][k] / 6 + input_image->image_pixels[i - 1][j][k] / 6 + input_image->image_pixels[i][j - 1][k] / 6 + input_image->image_pixels[i][j][k] / 6 + input_image->image_pixels[i + 1][j - 1][k] / 6 + input_image->image_pixels[i + 1][j][k] / 6);
smooth[ind] = (float)(input_image->image_pixels[i - 1][j - 1][k] / 6 + input_image->image_pixels[i - 1][j][k] / 6 + input_image->image_pixels[i][j - 1][k] / 6 + input_image->image_pixels[i][j][k] / 6 + input_image->image_pixels[i + 1][j - 1][k] / 6 + input_image->image_pixels[i + 1][j][k] / 6);
}
else
{
smoother->image_pixels[i][j][k] = (input_image->image_pixels[i - 1][j - 1][k] / 9 + input_image->image_pixels[i - 1][j][k] / 9 + input_image->image_pixels[i - 1][j + 1][k] / 9 + input_image->image_pixels[i][j - 1][k] / 9 + input_image->image_pixels[i][j][k] / 9 + input_image->image_pixels[i][j + 1][k] / 9 + input_image->image_pixels[i + 1][j - 1][k] / 9 + input_image->image_pixels[i + 1][j][k] / 9 + input_image->image_pixels[i + 1][j + 1][k] / 9);
smooth[ind] = (float)(input_image->image_pixels[i - 1][j - 1][k] / 9 + input_image->image_pixels[i - 1][j][k] / 9 + input_image->image_pixels[i - 1][j + 1][k] / 9 + input_image->image_pixels[i][j - 1][k] / 9 + input_image->image_pixels[i][j][k] / 9 + input_image->image_pixels[i][j + 1][k] / 9 + input_image->image_pixels[i + 1][j - 1][k] / 9 + input_image->image_pixels[i + 1][j][k] / 9 + input_image->image_pixels[i + 1][j + 1][k] / 9);
}
ind++;
}
}
}
return smoother;
return smooth;
}
struct image_t *S2_find_details(struct image_t *input_image, struct image_t *smoothened_image)
float *S2_find_details(struct image_t *input_image, float *smoothened_image)
{
// TODO
int width = input_image->width;
int height = input_image->height;
struct image_t *details = new struct image_t;
details->height = height;
details->width = width;
details->image_pixels = new uint8_t **[height];
float *details = (float *)malloc(height * width * 3 * sizeof(float));
long ind = 0;
for (int i = 0; i < height; i++)
{
details->image_pixels[i] = new uint8_t *[width];
for (int j = 0; j < width; j++)
details->image_pixels[i][j] = new uint8_t[3];
}
for (int i = 1; i < height - 1; i++)
{
for (int j = 1; j < width - 1; j++)
{
for (int k = 0; k < 3; k++)
{
details->image_pixels[i][j][k] = max(0, input_image->image_pixels[i][j][k] - smoothened_image->image_pixels[i][j][k]);
details[ind] = max((float)0, (float)input_image->image_pixels[i][j][k] - smoothened_image[ind]);
ind++;
}
}
}
@ -110,33 +90,25 @@ struct image_t *S2_find_details(struct image_t *input_image, struct image_t *smo
return details;
}
struct image_t *S3_sharpen(struct image_t *input_image, struct image_t *details_image)
float *S3_sharpen(struct image_t *input_image, float *details_image)
{
// TODO
int width = input_image->width;
int height = input_image->height;
int a = 1;
float a = 1;
struct image_t *sharp = new struct image_t;
sharp->height = height;
sharp->width = width;
sharp->image_pixels = new uint8_t **[height];
float *sharp = (float *)malloc(height * width * 3 * sizeof(float));
long ind = 0;
for (int i = 0; i < height; i++)
{
sharp->image_pixels[i] = new uint8_t *[width];
for (int j = 0; j < width; j++)
sharp->image_pixels[i][j] = new uint8_t[3];
}
for (int i = 1; i < height - 1; i++)
{
for (int j = 1; j < width - 1; j++)
{
for (int k = 0; k < 3; k++)
{
sharp->image_pixels[i][j][k] = min(255, input_image->image_pixels[i][j][k] + details_image->image_pixels[i][j][k]) * a;
sharp[ind] = min((float)255, (float)input_image->image_pixels[i][j][k] + details_image[ind]);
ind++;
}
}
}
@ -280,4 +252,4 @@ void write_ppm_file(char *path_to_output_file, struct image_t *image)
cerr << "failed to open file " << path_to_output_file << "\n\n";
exit(1);
}
}
}

0
lab4/src/coms.cpp → lab4/src/pipes/pipes.cpp
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