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#define FBGL_IMPLEMENTATION
#include "fbgl.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h> // for usleep
int main(int argc, char **argv)
{
// Initialize framebuffer
fbgl_t framebuffer;
if (fbgl_init(NULL, &framebuffer) != 0) {
fprintf(stderr, "Failed to initialize framebuffer.\n");
return EXIT_FAILURE;
}
// Load a TGA texture
const char *texture_path = argv[1];
fbgl_tga_texture_t *texture = fbgl_load_tga_texture(texture_path);
if (!texture) {
fprintf(stderr, "Failed to load texture.\n");
fbgl_destroy(&framebuffer);
return EXIT_FAILURE;
}
// Set a background color (e.g., black)
fbgl_set_bg(&framebuffer, 0x000000); // Clear the framebuffer to black
// Texture movement parameters
int texture_x = 0; // Initial horizontal position of the texture
int texture_y = 100; // Initial vertical position of the texture
int dx = 5; // Horizontal speed (adjust for desired marquee speed)
int dy = 3; // Vertical speed (adjust for desired marquee speed)
// Main rendering loop
while (1) {
// Clear the framebuffer (set background)
fbgl_set_bg(&framebuffer, 0x000000);
// Draw the texture at the current position
fbgl_draw_texture(&framebuffer, texture, texture_x, texture_y);
// Move the texture by updating its position
texture_x += dx;
texture_y += dy;
// Reverse direction if the texture hits the screen boundary (X-axis)
if (texture_x <= 0 ||
texture_x + texture->width >= framebuffer.width) {
dx = -dx; // Reverse horizontal direction when hitting the left or right edge
}
// Reverse direction if the texture hits the screen boundary (Y-axis)
if (texture_y <= 0 ||
texture_y + texture->height >= framebuffer.height) {
dy = -dy; // Reverse vertical direction when hitting the top or bottom edge
}
usleep(50000); // Delay to make the marquee effect visible (adjust as needed)
}
// Wait for the user to press the escape key before exiting
printf("Press ESC to exit...\n");
while (!fbgl_check_esc_key()) {
// You can add additional rendering logic here if needed
}
// Clean up
fbgl_destroy_texture(texture);
fbgl_destroy(&framebuffer);
return EXIT_SUCCESS;
}
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