diff options
Diffstat (limited to 'mandelbrot.c')
| -rw-r--r-- | mandelbrot.c | 36 |
1 files changed, 26 insertions, 10 deletions
diff --git a/mandelbrot.c b/mandelbrot.c index 92e7a64..9e7aa1b 100644 --- a/mandelbrot.c +++ b/mandelbrot.c @@ -1,6 +1,5 @@ #include <stdio.h> #include <math.h> -#include <complex.h> #include "header.h" #define PRINT_REAL_LO -2.0 @@ -35,23 +34,40 @@ int mandelbrot_in_set(double ca, double cb) return -1; } -int *mandelbrot_array(Point center, double real_range, double imag_range, - double real_len, double imag_len) +ColorHexcode mandelbrot_in_set_color(Color *spectrum, double a, double b) +{ + int steps = mandelbrot_in_set(a, b); + int brightness = (255 / MAX_ITERATION) * steps; + Color color; + color.rgb.r = brightness; + color.rgb.g = brightness; + color.rgb.b = brightness; + return color.hexcode; +} + +uint8_t *mandelbrot_create_bits(int width, int height) +{ + uint8_t *bits = (uint8_t*)malloc(3 * width * height); + if (bits == NULL) + return NULL; + return bits; +} + +void mandelbrot_set_bits(uint8_t *bits, Color *spectrum, Point center, double real_range, + double imag_range, int width, int height) { double i = center.y - imag_range / 2; double r = center.x - real_range / 2; - int *array = malloc(sizeof(int) * imag_len * real_len); - for (int array_i = 0; array_i < imag_len; array_i++) + for (int array_i = 0; array_i < height; array_i++) { - for (int array_j = 0; array_j < real_len; array_j++) + for (int array_j = 0; array_j < width; array_j++) { - array[array_i * (int)imag_len + array_j] = mandelbrot_in_set(r, i); - r += real_range / real_len; + bits[array_i * (int)height + array_j] = mandelbrot_in_set_color(spectrum, r, i); + r += real_range / width; } - i += imag_range / imag_len; + i += imag_range / height; } - return array; } void mandelbrot_print(void) |