From 22b5816d5d2ff079091d45cc87b6ca92d66eb482 Mon Sep 17 00:00:00 2001 From: lvntky Date: Fri, 22 Nov 2024 11:59:42 +0300 Subject: [feature] line drawing algorithm --- example/line.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 example/line.c (limited to 'example/line.c') diff --git a/example/line.c b/example/line.c new file mode 100644 index 0000000..9d937cd --- /dev/null +++ b/example/line.c @@ -0,0 +1,26 @@ +#define FBGL_IMPLEMENTATION +#include "../fbgl.h" + +int main(int argc, char *argv[]) +{ + fbgl_t buffer; + if (fbgl_init("/dev/fb0", &buffer) == -1) { + fprintf(stdout, "Error: could not open framebuffer device\n"); + return -1; + } + + fbgl_set_bg(&buffer, 0xFF0000); + fbgl_point_t start = { 0, 0 }; + fbgl_point_t end = { 1020, 1020}; + for(int i = 0; i < 1890; i++) { + start.x = i; + fbgl_draw_line(start, end, 0xFFFFFF, &buffer); + for(int j = 0; j < 10000000; j++){} + } + fbgl_draw_line(start, end, 0x000000, &buffer); + + while (1) { + } + + return 0; +} -- cgit v1.2.3