[feature] line drawing algorithm

1 files changed, 26 insertions, 0 deletions

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;
+}