master
orange 12 years ago
parent 9cbdcee7e9
commit c69aef41d6

@ -29,7 +29,7 @@ pixel_t incolor() {
}
/* Computes the visual representation of a mandelbrot set for a given line. */
void compmandelbrot_line(bitmap_t* mbrot, size_t y) {
void compmandelbrot_line(bitmap_t * mbrot, size_t y) {
for (size_t x = 0; x < mbrot->width; x++) {
@ -70,7 +70,7 @@ pthread_mutex_t next_y_mutex;
/* Thread to compute mandelbrot. */
void *compmandelbrot(void *arg) {
bitmap_t* mbrot = (bitmap_t*) arg;
bitmap_t *mbrot = (bitmap_t *) arg;
size_t y = 0;
while (y < mbrot->height) {
@ -147,7 +147,7 @@ static int save_png_to_file(bitmap_t * bitmap, const char *path) {
png_malloc(png_ptr, sizeof(uint8_t) * bitmap->width * pixel_size);
row_pointers[y] = row;
for (x = 0; x < bitmap->width; ++x) {
pixel_t *pixel = bitmap->pixels + (y*bitmap->width + x);
pixel_t *pixel = bitmap->pixels + (y * bitmap->width + x);
*row++ = (*pixel & 0x00ff0000) >> 16;
*row++ = (*pixel & 0x0000ff00) >> 8;
*row++ = (*pixel & 0x000000ff);
@ -181,7 +181,7 @@ int main(int argc, char *argv[]) {
/* Get command line options. */
int num_threads = 1;
char* options = "j:";
char *options = "j:";
if (getopt(argc, argv, options) == 'j') {
num_threads = (int) strtol(optarg, NULL, 10);
assert(num_threads != 0);
@ -199,14 +199,15 @@ int main(int argc, char *argv[]) {
/* Start computing threads. */
int ret;
pthread_t* threads;
pthread_t *threads;
threads = calloc(sizeof(pthread_t), num_threads);
ret = pthread_mutex_init(&next_y_mutex, NULL);
assert(ret == 0);
for (int t = 0; t < num_threads; t++) {
ret = pthread_create(&threads[t], NULL, compmandelbrot, (void *) &mbrot);
ret =
pthread_create(&threads[t], NULL, compmandelbrot, (void *) &mbrot);
assert(ret == 0);
}

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