mirror of
https://github.com/penpot/penpot.git
synced 2025-05-05 01:15:54 +02:00
622 lines
18 KiB
Rust
622 lines
18 KiB
Rust
use skia_safe as skia;
|
|
|
|
mod debug;
|
|
mod math;
|
|
mod mem;
|
|
mod render;
|
|
mod shapes;
|
|
mod state;
|
|
mod utils;
|
|
mod view;
|
|
|
|
use crate::shapes::{BoolType, Kind, Path};
|
|
|
|
use crate::state::State;
|
|
use crate::utils::uuid_from_u32_quartet;
|
|
|
|
static mut STATE: Option<Box<State>> = None;
|
|
|
|
extern "C" {
|
|
fn emscripten_GetProcAddress(
|
|
name: *const ::std::os::raw::c_char,
|
|
) -> *const ::std::os::raw::c_void;
|
|
}
|
|
|
|
fn init_gl() {
|
|
unsafe {
|
|
gl::load_with(|addr| {
|
|
let addr = std::ffi::CString::new(addr).unwrap();
|
|
emscripten_GetProcAddress(addr.into_raw() as *const _) as *const _
|
|
});
|
|
}
|
|
}
|
|
|
|
/// This is called from JS after the WebGL context has been created.
|
|
#[no_mangle]
|
|
pub extern "C" fn init(width: i32, height: i32) {
|
|
let state_box = Box::new(State::new(width, height, 2048));
|
|
unsafe {
|
|
STATE = Some(state_box);
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn clean_up() {
|
|
unsafe { STATE = None }
|
|
mem::free_bytes();
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn set_render_options(debug: u32, dpr: f32) {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
let render_state = state.render_state();
|
|
|
|
render_state.set_debug_flags(debug);
|
|
render_state.set_dpr(dpr);
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn set_canvas_background(raw_color: u32) {
|
|
let state = unsafe { STATE.as_mut() }.expect("got an invalid state pointer");
|
|
let color = skia::Color::new(raw_color);
|
|
state.set_background_color(color);
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub unsafe extern "C" fn render(timestamp: i32) {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
state.start_render_loop(timestamp).expect("Error rendering");
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub unsafe extern "C" fn render_from_cache() {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
state.render_from_cache();
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub unsafe extern "C" fn process_animation_frame(timestamp: i32) {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
state
|
|
.process_animation_frame(timestamp)
|
|
.expect("Error processing animation frame");
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn reset_canvas() {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
state.render_state().reset_canvas();
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn resize_viewbox(width: i32, height: i32) {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
state.resize(width, height);
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn set_view(zoom: f32, x: f32, y: f32) {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
state.render_state().viewbox.set_all(zoom, x, y);
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn set_view_zoom(zoom: f32) {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
state.render_state().viewbox.set_zoom(zoom);
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn set_view_xy(x: f32, y: f32) {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
state.render_state().viewbox.set_pan_xy(x, y);
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn use_shape(a: u32, b: u32, c: u32, d: u32) {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
let id = uuid_from_u32_quartet(a, b, c, d);
|
|
state.use_shape(id);
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub unsafe extern "C" fn set_shape_kind_circle() {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
|
|
if let Some(shape) = state.current_shape() {
|
|
shape.set_kind(Kind::Circle(math::Rect::new_empty()));
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub unsafe extern "C" fn set_shape_kind_rect() {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
|
|
if let Some(shape) = state.current_shape() {
|
|
match shape.kind() {
|
|
Kind::Rect(_, _) => {}
|
|
_ => shape.set_kind(Kind::Rect(math::Rect::new_empty(), None)),
|
|
}
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub unsafe extern "C" fn set_shape_kind_path() {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
if let Some(shape) = state.current_shape() {
|
|
shape.set_kind(Kind::Path(Path::default()));
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub unsafe extern "C" fn set_shape_kind_bool() {
|
|
let state = unsafe { STATE.as_mut() }.expect("got an invalid state pointer");
|
|
if let Some(shape) = state.current_shape() {
|
|
match shape.kind() {
|
|
Kind::Bool(_, _) => {}
|
|
_ => shape.set_kind(Kind::Bool(BoolType::default(), Path::default())),
|
|
}
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub unsafe extern "C" fn set_shape_bool_type(raw_bool_type: u8) {
|
|
let state = unsafe { STATE.as_mut() }.expect("got an invalid state pointer");
|
|
if let Some(shape) = state.current_shape() {
|
|
shape.set_bool_type(BoolType::from(raw_bool_type))
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn set_shape_selrect(left: f32, top: f32, right: f32, bottom: f32) {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
if let Some(shape) = state.current_shape() {
|
|
shape.set_selrect(left, top, right, bottom);
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub unsafe extern "C" fn set_shape_clip_content(clip_content: bool) {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
if let Some(shape) = state.current_shape() {
|
|
shape.set_clip(clip_content);
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub unsafe extern "C" fn set_shape_rotation(rotation: f32) {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
if let Some(shape) = state.current_shape() {
|
|
shape.set_rotation(rotation);
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn set_shape_transform(a: f32, b: f32, c: f32, d: f32, e: f32, f: f32) {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
if let Some(shape) = state.current_shape() {
|
|
shape.set_transform(a, b, c, d, e, f);
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn add_shape_child(a: u32, b: u32, c: u32, d: u32) {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
let id = uuid_from_u32_quartet(a, b, c, d);
|
|
if let Some(shape) = state.current_shape() {
|
|
shape.add_child(id);
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn clear_shape_children() {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
if let Some(shape) = state.current_shape() {
|
|
shape.clear_children();
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn add_shape_solid_fill(raw_color: u32) {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
if let Some(shape) = state.current_shape() {
|
|
let color = skia::Color::new(raw_color);
|
|
shape.add_fill(shapes::Fill::Solid(color));
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn add_shape_linear_fill(
|
|
start_x: f32,
|
|
start_y: f32,
|
|
end_x: f32,
|
|
end_y: f32,
|
|
opacity: f32,
|
|
) {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
if let Some(shape) = state.current_shape() {
|
|
shape.add_fill(shapes::Fill::new_linear_gradient(
|
|
(start_x, start_y),
|
|
(end_x, end_y),
|
|
opacity,
|
|
))
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn add_shape_radial_fill(
|
|
start_x: f32,
|
|
start_y: f32,
|
|
end_x: f32,
|
|
end_y: f32,
|
|
opacity: f32,
|
|
width: f32,
|
|
) {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
if let Some(shape) = state.current_shape() {
|
|
shape.add_fill(shapes::Fill::new_radial_gradient(
|
|
(start_x, start_y),
|
|
(end_x, end_y),
|
|
opacity,
|
|
width,
|
|
))
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn add_shape_fill_stops(ptr: *mut shapes::RawStopData, n_stops: u32) {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
|
|
if let Some(shape) = state.current_shape() {
|
|
let len = n_stops as usize;
|
|
|
|
unsafe {
|
|
let buffer = Vec::<shapes::RawStopData>::from_raw_parts(ptr, len, len);
|
|
shape
|
|
.add_fill_gradient_stops(buffer)
|
|
.expect("could not add gradient stops");
|
|
mem::free_bytes();
|
|
}
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn store_font(family_name_size: u32, font_size: u32) {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
unsafe {
|
|
let font_bytes =
|
|
Vec::<u8>::from_raw_parts(mem::buffer_ptr(), font_size as usize, font_size as usize);
|
|
let family_name = String::from_raw_parts(
|
|
mem::buffer_ptr().add(font_size as usize),
|
|
family_name_size as usize,
|
|
family_name_size as usize,
|
|
);
|
|
match state.render_state().add_font(family_name, &font_bytes) {
|
|
Err(msg) => {
|
|
eprintln!("{}", msg);
|
|
}
|
|
_ => {}
|
|
}
|
|
mem::free_bytes();
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn store_image(a: u32, b: u32, c: u32, d: u32, size: u32) {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
let id = uuid_from_u32_quartet(a, b, c, d);
|
|
|
|
unsafe {
|
|
let image_bytes =
|
|
Vec::<u8>::from_raw_parts(mem::buffer_ptr(), size as usize, size as usize);
|
|
match state.render_state().add_image(id, &image_bytes) {
|
|
Err(msg) => {
|
|
eprintln!("{}", msg);
|
|
}
|
|
_ => {}
|
|
}
|
|
mem::free_bytes();
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn is_image_cached(a: u32, b: u32, c: u32, d: u32) -> bool {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
let id = uuid_from_u32_quartet(a, b, c, d);
|
|
state.render_state().has_image(&id)
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn add_shape_image_fill(
|
|
a: u32,
|
|
b: u32,
|
|
c: u32,
|
|
d: u32,
|
|
alpha: f32,
|
|
width: i32,
|
|
height: i32,
|
|
) {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
let id = uuid_from_u32_quartet(a, b, c, d);
|
|
if let Some(shape) = state.current_shape() {
|
|
shape.add_fill(shapes::Fill::new_image_fill(
|
|
id,
|
|
(alpha * 0xff as f32).floor() as u8,
|
|
(width, height),
|
|
));
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn clear_shape_fills() {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
if let Some(shape) = state.current_shape() {
|
|
shape.clear_fills();
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn set_shape_svg_raw_content() {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
if let Some(shape) = state.current_shape() {
|
|
let bytes = mem::bytes();
|
|
let svg_raw_content = String::from_utf8(bytes)
|
|
.unwrap()
|
|
.trim_end_matches('\0')
|
|
.to_string();
|
|
shape
|
|
.set_svg_raw_content(svg_raw_content)
|
|
.expect("Failed to set svg raw content");
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn set_shape_blend_mode(mode: i32) {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
if let Some(shape) = state.current_shape() {
|
|
shape.set_blend_mode(render::BlendMode::from(mode));
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn set_shape_opacity(opacity: f32) {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
if let Some(shape) = state.current_shape() {
|
|
shape.set_opacity(opacity);
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn set_shape_hidden(hidden: bool) {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
if let Some(shape) = state.current_shape() {
|
|
shape.set_hidden(hidden);
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn set_shape_blur(blur_type: u8, hidden: bool, value: f32) {
|
|
let state = unsafe { STATE.as_mut() }.expect("got an invalid state pointer");
|
|
if let Some(shape) = state.current_shape() {
|
|
shape.set_blur(blur_type, hidden, value);
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn set_shape_path_content() {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
|
|
if let Some(shape) = state.current_shape() {
|
|
let bytes = mem::bytes();
|
|
let raw_segments = bytes
|
|
.chunks(size_of::<shapes::RawPathData>())
|
|
.map(|data| shapes::RawPathData {
|
|
data: data.try_into().unwrap(),
|
|
})
|
|
.collect();
|
|
shape.set_path_segments(raw_segments).unwrap();
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn add_shape_center_stroke(width: f32, style: u8, cap_start: u8, cap_end: u8) {
|
|
let state = unsafe { STATE.as_mut() }.expect("got an invalid state pointer");
|
|
if let Some(shape) = state.current_shape() {
|
|
shape.add_stroke(shapes::Stroke::new_center_stroke(
|
|
width, style, cap_start, cap_end,
|
|
));
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn add_shape_inner_stroke(width: f32, style: u8, cap_start: u8, cap_end: u8) {
|
|
let state = unsafe { STATE.as_mut() }.expect("got an invalid state pointer");
|
|
if let Some(shape) = state.current_shape() {
|
|
shape.add_stroke(shapes::Stroke::new_inner_stroke(
|
|
width, style, cap_start, cap_end,
|
|
))
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn add_shape_outer_stroke(width: f32, style: u8, cap_start: u8, cap_end: u8) {
|
|
let state = unsafe { STATE.as_mut() }.expect("got an invalid state pointer");
|
|
if let Some(shape) = state.current_shape() {
|
|
shape.add_stroke(shapes::Stroke::new_outer_stroke(
|
|
width, style, cap_start, cap_end,
|
|
))
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn add_shape_stroke_solid_fill(raw_color: u32) {
|
|
let state = unsafe { STATE.as_mut() }.expect("got an invalid state pointer");
|
|
if let Some(shape) = state.current_shape() {
|
|
let color = skia::Color::new(raw_color);
|
|
shape
|
|
.set_stroke_fill(shapes::Fill::Solid(color))
|
|
.expect("could not add stroke solid fill");
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn add_shape_stroke_linear_fill(
|
|
start_x: f32,
|
|
start_y: f32,
|
|
end_x: f32,
|
|
end_y: f32,
|
|
opacity: f32,
|
|
) {
|
|
let state = unsafe { STATE.as_mut() }.expect("got an invalid state pointer");
|
|
if let Some(shape) = state.current_shape() {
|
|
shape
|
|
.set_stroke_fill(shapes::Fill::new_linear_gradient(
|
|
(start_x, start_y),
|
|
(end_x, end_y),
|
|
opacity,
|
|
))
|
|
.expect("could not add stroke linear fill");
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn add_shape_stroke_radial_fill(
|
|
start_x: f32,
|
|
start_y: f32,
|
|
end_x: f32,
|
|
end_y: f32,
|
|
opacity: f32,
|
|
width: f32,
|
|
) {
|
|
let state = unsafe { STATE.as_mut() }.expect("got an invalid state pointer");
|
|
if let Some(shape) = state.current_shape() {
|
|
shape
|
|
.set_stroke_fill(shapes::Fill::new_radial_gradient(
|
|
(start_x, start_y),
|
|
(end_x, end_y),
|
|
opacity,
|
|
width,
|
|
))
|
|
.expect("could not add stroke radial fill");
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn add_shape_stroke_stops(ptr: *mut shapes::RawStopData, n_stops: u32) {
|
|
let state = unsafe { STATE.as_mut() }.expect("got an invalid state pointer");
|
|
|
|
if let Some(shape) = state.current_shape() {
|
|
let len = n_stops as usize;
|
|
|
|
unsafe {
|
|
let buffer = Vec::<shapes::RawStopData>::from_raw_parts(ptr, len, len);
|
|
shape
|
|
.add_stroke_gradient_stops(buffer)
|
|
.expect("could not add gradient stops");
|
|
mem::free_bytes();
|
|
}
|
|
}
|
|
}
|
|
|
|
// Extracts a string from the bytes slice until the next null byte (0) and returns the result as a `String`.
|
|
// Updates the `start` index to the end of the extracted string.
|
|
fn extract_string(start: &mut usize, bytes: &[u8]) -> String {
|
|
match bytes[*start..].iter().position(|&b| b == 0) {
|
|
Some(pos) => {
|
|
let end = *start + pos;
|
|
let slice = &bytes[*start..end];
|
|
*start = end + 1; // Move the `start` pointer past the null byte
|
|
// Call to unsafe function within an unsafe block
|
|
unsafe { String::from_utf8_unchecked(slice.to_vec()) }
|
|
}
|
|
None => {
|
|
*start = bytes.len(); // Move `start` to the end if no null byte is found
|
|
String::new()
|
|
}
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn add_shape_image_stroke(
|
|
a: u32,
|
|
b: u32,
|
|
c: u32,
|
|
d: u32,
|
|
alpha: f32,
|
|
width: i32,
|
|
height: i32,
|
|
) {
|
|
let state = unsafe { STATE.as_mut() }.expect("got an invalid state pointer");
|
|
let id = uuid_from_u32_quartet(a, b, c, d);
|
|
if let Some(shape) = state.current_shape() {
|
|
shape
|
|
.set_stroke_fill(shapes::Fill::new_image_fill(
|
|
id,
|
|
(alpha * 0xff as f32).floor() as u8,
|
|
(width, height),
|
|
))
|
|
.expect("could not add stroke image fill");
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn clear_shape_strokes() {
|
|
let state = unsafe { STATE.as_mut() }.expect("got an invalid state pointer");
|
|
if let Some(shape) = state.current_shape() {
|
|
shape.clear_strokes();
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn set_shape_corners(r1: f32, r2: f32, r3: f32, r4: f32) {
|
|
let state = unsafe { STATE.as_mut() }.expect("got an invalid state pointer");
|
|
if let Some(shape) = state.current_shape() {
|
|
shape.set_corners((r1, r2, r3, r4));
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn set_shape_path_attrs(num_attrs: u32) {
|
|
let state = unsafe { STATE.as_mut() }.expect("Got an invalid state pointer");
|
|
|
|
if let Some(shape) = state.current_shape() {
|
|
let bytes = mem::bytes();
|
|
let mut start = 0;
|
|
for _ in 0..num_attrs {
|
|
let name = extract_string(&mut start, &bytes);
|
|
let value = extract_string(&mut start, &bytes);
|
|
shape.set_path_attr(name, value);
|
|
}
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn add_shape_shadow(
|
|
raw_color: u32,
|
|
blur: f32,
|
|
spread: f32,
|
|
x: f32,
|
|
y: f32,
|
|
raw_style: u8,
|
|
hidden: bool,
|
|
) {
|
|
let state = unsafe { STATE.as_mut() }.expect("got an invalid state pointer");
|
|
if let Some(shape) = state.current_shape() {
|
|
let color = skia::Color::new(raw_color);
|
|
let style = shapes::ShadowStyle::from(raw_style);
|
|
let shadow = shapes::Shadow::new(color, blur, spread, (x, y), style, hidden);
|
|
shape.add_shadow(shadow);
|
|
}
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub extern "C" fn clear_shape_shadows() {
|
|
let state = unsafe { STATE.as_mut() }.expect("got an invalid state pointer");
|
|
if let Some(shape) = state.current_shape() {
|
|
shape.clear_shadows();
|
|
}
|
|
}
|
|
|
|
fn main() {
|
|
init_gl();
|
|
}
|