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#include "../lib/io/io.h"
#include "../lib/fb/fb.h"
#include "../lib/tctl/tctl.h"
#include "../lib/aec/aec.h"
#include "../lib/ff/ff.h"
#include "../lib/arg/arg.h"
#include "../lib/cstr/cstr.h"
u8 centerx = 0;
u8 centery = 0;
i64 width = -1;
i64 height = -1;
u8 fill = 0;
u8 only_print = 0;
void set_only_print()
{
only_print = 1;
}
void set_width(const char *buf)
{
width = cstr_to_i64(buf);
}
void set_height(const char *buf)
{
height = cstr_to_i64(buf);
}
void set_fill()
{
fill = 1;
}
void set_centerx()
{
centerx = 1;
}
void set_centery()
{
centery = 1;
}
void draw_image(canvas_t canvas, image_t *img)
{
canvas_pixel_t p;
u64 offset_x = 0;
u64 offset_y = 0;
float scalex = 1;
float scaley = 1;
if (width != -1) {
scalex = width;
scalex /= img->width;
}
if (height != -1) {
scaley = height;
scaley /= img->height;
}
if (centerx) {
offset_x = (canvas.width - img->width) / 2;
}
if (centery) {
offset_y = (canvas.height - img->height) / 2;
}
for (u32 y = 0; y < img->height; ++y) {
for (u32 x = 0; x < img->width; ++x) {
p = image_pixel_to_canvas_pixel(img->data[x + y * img->width]);
put_pixel(canvas, (x * scalex) + offset_x, (y * scaley) + offset_y, p);
}
}
}
void black_clear(canvas_t canvas)
{
canvas_pixel_t p = { 0x00, 0x00, 0x00 };
for (int x = 0; x < canvas.width; ++x) {
for (int y = 0; y < canvas.height; ++y) {
put_pixel(canvas, x, y, p);
}
}
}
int main(int argc, const char **argv)
{
arg_register_flag("-p", &set_only_print);
arg_register_flag("-c", &set_centerx);
arg_register_flag("-z", &set_centery);
arg_register_arg("-h", &set_height);
arg_register_arg("-w", &set_width);
arg_parse_arg(argc, argv);
canvas_t canvas = open_framebuffer();
termios_t term;
termios_t orig;
image_t *img = new_image_from_fd(STDIN_FD);
tcgetattr(STDOUT_FD, &term);
orig = term;
setcanonical(&term, 0);
setecho(&term, 0);
cursor_enabled(0);
tcsetattr(STDOUT_FD, &term);
if (!img) {
free_image(img);
close_framebuffer(canvas);
cursor_enabled(1);
tcsetattr(STDOUT_FD, &orig);
wf(STDERR_FD, "error: cannot read image\n");
return -1;
}
if (width == -1) {
width = img->width;
}
if (height == -1) {
height = img->width;
}
char key = 0;
while (key != 'q') {
draw_image(canvas, img);
if (!only_print)
read(STDERR_FD, &key, 1);
else
break;
}
if (!only_print)
black_clear(canvas);
free_image(img);
close_framebuffer(canvas);
cursor_enabled(1);
tcsetattr(STDOUT_FD, &orig);
if (!only_print) {
move_cursor(1, 1);
clear_screen();
} else {
move_cursor(0, height / 14);
}
return 0;
}
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