nedko/image-colours
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Added pixel printing to terminal

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nedko 2022-12-07 14:49:02 +02:00
parent 8dd297434b
commit 7d9e250c68
1 changed files with 18 additions and 4 deletions
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22
main.cpp
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@ -1,5 +1,6 @@
#include <iostream> #include <iostream>
#include <string> #include <string>
#include <stdio.h>
#define STB_IMAGE_IMPLEMENTATION #define STB_IMAGE_IMPLEMENTATION
#include "stb_image.h" #include "stb_image.h"
@ -18,6 +19,15 @@ void usage(char *name)
cout << "Image must have 3 or more channels" << endl; cout << "Image must have 3 or more channels" << endl;
} }
void print_pixel(ColourRGB rgb)
{
uint8_t r = static_cast<uint8_t>(round(rgb.r * 255));
uint8_t g = static_cast<uint8_t>(round(rgb.g * 255));
uint8_t b = static_cast<uint8_t>(round(rgb.b * 255));
printf("#%02x%02x%02x - %3d %3d %3d", r, g ,b, r, g, b);
}
int main(int argc, char **argv) int main(int argc, char **argv)
{ {
int x_size; int x_size;
@ -75,7 +85,6 @@ int main(int argc, char **argv)
// TODO: Handle alpha here // TODO: Handle alpha here
} }
// TODO: Add pixel to evaluator here
pixel_hsv = RGBtoHSV(pixel); pixel_hsv = RGBtoHSV(pixel);
main_extractor.add_pixel(pixel_hsv); main_extractor.add_pixel(pixel_hsv);
comp_extractor.add_pixel(pixel_hsv); comp_extractor.add_pixel(pixel_hsv);
@ -87,7 +96,12 @@ int main(int argc, char **argv)
pixel = HSVtoRGB(pixel_hsv); pixel = HSVtoRGB(pixel_hsv);
pixel2 = HSVtoRGB(comp_extractor.extract_colour()); pixel2 = HSVtoRGB(comp_extractor.extract_colour());
// TODO: Print them to console cout << "Main - ";
print_pixel(pixel);
cout << endl;
cout << "Comp - ";
print_pixel(pixel2);
cout << endl;
x_size = 16; x_size = 16;
y_size = 16; y_size = 16;
@ -106,7 +120,7 @@ int main(int argc, char **argv)
image[i * channels + 2] = static_cast<unsigned char>(round(pixel.b * 255)); image[i * channels + 2] = static_cast<unsigned char>(round(pixel.b * 255));
} }
stbi_write_png("main.png", x_size, y_size, channels, image, x_size * channels); stbi_write_png("0 - main.png", x_size, y_size, channels, image, x_size * channels);
for (int i = 0; i < x_size * y_size; ++i) for (int i = 0; i < x_size * y_size; ++i)
{ {
@ -115,7 +129,7 @@ int main(int argc, char **argv)
image[i * channels + 2] = static_cast<unsigned char>(round(pixel2.b * 255)); image[i * channels + 2] = static_cast<unsigned char>(round(pixel2.b * 255));
} }
stbi_write_png("comp.png", x_size, y_size, channels, image, x_size * channels); stbi_write_png("1 - comp.png", x_size, y_size, channels, image, x_size * channels);
delete[] image; delete[] image;