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#include <daguerre/framebuffer.hpp>
#include <daguerre/ppm.hpp>
daguerre::hilbert_color trans_color;
void convert_pointer(
daguerre::hilbert_color &dest, const daguerre::hilbert_color &src) {
if (src != trans_color)
dest = src;
}
int main(int, char **) {
trans_color = euler::syscall::encode_color(0xff, 0x00, 0xff);
daguerre::image<daguerre::hilbert_color> framebuffer =
daguerre::get_hilbert_framebuffer();
int fw = framebuffer.width;
int fh = framebuffer.height;
daguerre::image<daguerre::hilbert_color> double_buffer(fw, fh);
std::optional<daguerre::image<daguerre::hilbert_color>>
background_original = daguerre::try_load_ppm("/assets/background.ppm");
daguerre::image<daguerre::hilbert_color> background;
if (background_original.has_value())
background = background_original->stretch(fw, fh);
else {
background = daguerre::image<daguerre::hilbert_color>(fw, fh);
background.fill(euler::syscall::encode_color(0, 0, 0));
}
std::optional<daguerre::image<daguerre::hilbert_color>>
pointer_original = daguerre::try_load_ppm("/assets/pointer.ppm");
if (!pointer_original.has_value())
//TODO
while (1)
;
daguerre::image<daguerre::hilbert_color>
pointer = std::move(*pointer_original);
int mouse_x = fw / 2;
int mouse_y = fh / 2;
while (true) {
double_buffer.copy_from(background, 0, 0);
double_buffer.convert_from(pointer, mouse_x, mouse_y, 0, 0,
std::min(pointer. width, double_buffer. width - mouse_x),
std::min(pointer.height, double_buffer.height - mouse_y),
&convert_pointer);
framebuffer.copy_from(double_buffer, 0, 0);
auto result = euler::syscall::get_input_packet();
if (std::holds_alternative<euler::syscall::mouse_packet>(result)) {
const auto &packet = std::get<euler::syscall::mouse_packet>(result);
mouse_x += packet.x_changed;
mouse_y += packet.y_changed;
if (mouse_x < 0)
mouse_x = 0;
else if (mouse_x >= fw)
mouse_x = fw - 1;
if (mouse_y < 0)
mouse_y = 0;
else if (mouse_y >= fh)
mouse_y = fh - 1;
}
}
return 0;
}
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