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2513 lines (2326 loc) · 78.8 KB
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use bevy::{
math::{Vec2, Vec3, Vec4},
prelude::Entity,
render::render_resource::{Extent3d, TextureFormat},
};
use processing::prelude::{error::ProcessingError, *};
use crate::color::Color;
mod color;
mod error;
unsafe fn cstr_to_str<'a>(ptr: *const std::ffi::c_char) -> Result<&'a str, ProcessingError> {
unsafe { std::ffi::CStr::from_ptr(ptr) }
.to_str()
.map_err(|_| ProcessingError::InvalidArgument("non-UTF8 C string".to_string()))
}
/// Initialize libProcessing.
///
/// SAFETY:
/// - This is called from the main thread if the platform requires it.
/// - This can only be called once.
#[unsafe(no_mangle)]
pub extern "C" fn processing_init() {
error::clear_error();
error::check(|| init(Config::default()));
}
/// Create a WebGPU surface from a macOS NSWindow handle.
///
/// SAFETY:
/// - Init has been called.
/// - window_handle is a valid NSWindow pointer.
/// - This is called from the same thread as init.
#[cfg(target_os = "macos")]
#[unsafe(no_mangle)]
pub extern "C" fn processing_surface_create(
window_handle: u64,
_display_handle: u64,
width: u32,
height: u32,
scale_factor: f32,
) -> u64 {
error::clear_error();
error::check(|| surface_create_macos(window_handle, width, height, scale_factor))
.map(|e| e.to_bits())
.unwrap_or(0)
}
/// Create a WebGPU surface from a Windows HWND handle.
///
/// SAFETY:
/// - Init has been called.
/// - window_handle is a valid HWND.
/// - This is called from the same thread as init.
#[cfg(target_os = "windows")]
#[unsafe(no_mangle)]
pub extern "C" fn processing_surface_create(
window_handle: u64,
_display_handle: u64,
width: u32,
height: u32,
scale_factor: f32,
) -> u64 {
error::clear_error();
error::check(|| surface_create_windows(window_handle, width, height, scale_factor))
.map(|e| e.to_bits())
.unwrap_or(0)
}
/// Create a WebGPU surface from a Wayland window and display handle.
///
/// SAFETY:
/// - Init has been called.
/// - window_handle is a valid wl_surface pointer.
/// - display_handle is a valid wl_display pointer.
/// - This is called from the same thread as init.
#[cfg(all(target_os = "linux", feature = "wayland"))]
#[unsafe(no_mangle)]
pub extern "C" fn processing_surface_create_wayland(
window_handle: u64,
display_handle: u64,
width: u32,
height: u32,
scale_factor: f32,
) -> u64 {
error::clear_error();
error::check(|| {
surface_create_wayland(window_handle, display_handle, width, height, scale_factor)
})
.map(|e| e.to_bits())
.unwrap_or(0)
}
/// Create a WebGPU surface from an X11 window and display handle.
///
/// SAFETY:
/// - Init has been called.
/// - window_handle is a valid X11 Window ID.
/// - display_handle is a valid X11 Display pointer.
/// - This is called from the same thread as init.
#[cfg(all(target_os = "linux", feature = "x11"))]
#[unsafe(no_mangle)]
pub extern "C" fn processing_surface_create_x11(
window_handle: u64,
display_handle: u64,
width: u32,
height: u32,
scale_factor: f32,
) -> u64 {
error::clear_error();
error::check(|| surface_create_x11(window_handle, display_handle, width, height, scale_factor))
.map(|e| e.to_bits())
.unwrap_or(0)
}
/// Create a WebGPU surface on Linux. The display server is auto-detected from
/// the environment.
///
/// SAFETY:
/// - Init has been called.
/// - The handle types match the active display server.
/// - This is called from the same thread as init.
#[cfg(target_os = "linux")]
#[unsafe(no_mangle)]
pub extern "C" fn processing_surface_create(
window_handle: u64,
display_handle: u64,
width: u32,
height: u32,
scale_factor: f32,
) -> u64 {
error::clear_error();
error::check(|| {
surface_create_linux(window_handle, display_handle, width, height, scale_factor)
})
.map(|e| e.to_bits())
.unwrap_or(0)
}
/// Create a graphics context for a surface.
///
/// SAFETY:
/// - Init and surface_create have been called.
/// - surface_id is a valid ID returned from surface_create.
/// - This is called from the same thread as init.
#[unsafe(no_mangle)]
pub extern "C" fn processing_graphics_create(surface_id: u64, width: u32, height: u32) -> u64 {
error::clear_error();
let surface_entity = Entity::from_bits(surface_id);
error::check(|| graphics_create(surface_entity, width, height, TextureFormat::Rgba16Float))
.map(|e| e.to_bits())
.unwrap_or(0)
}
/// Destroy a graphics context.
///
/// SAFETY:
/// - Init and graphics_create have been called.
/// - graphics_id is a valid ID returned from graphics_create.
/// - This is called from the same thread as init.
#[unsafe(no_mangle)]
pub extern "C" fn processing_graphics_destroy(graphics_id: u64) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| graphics_destroy(graphics_entity));
}
/// Destroy the surface associated with the given window ID.
///
/// SAFETY:
/// - Init and surface_create have been called.
/// - window_id is a valid ID returned from surface_create.
/// - This is called from the same thread as init.
#[unsafe(no_mangle)]
pub extern "C" fn processing_surface_destroy(window_id: u64) {
error::clear_error();
let window_entity = Entity::from_bits(window_id);
error::check(|| surface_destroy(window_entity));
}
/// Update window size when resized.
///
/// SAFETY:
/// - Init and surface_create have been called.
/// - window_id is a valid ID returned from surface_create.
/// - This is called from the same thread as init.
#[unsafe(no_mangle)]
pub extern "C" fn processing_surface_resize(window_id: u64, width: u32, height: u32) {
error::clear_error();
let window_entity = Entity::from_bits(window_id);
error::check(|| surface_resize(window_entity, width, height));
}
/// Set the background color for the given graphics context.
///
/// SAFETY:
/// - graphics_id is a valid ID returned from graphics_create.
/// - This is called from the same thread as init.
#[unsafe(no_mangle)]
pub extern "C" fn processing_background_color(graphics_id: u64, color: Color) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| {
let mode = graphics_get_color_mode(graphics_entity)?;
let color = color.resolve(&mode);
graphics_record_command(graphics_entity, DrawCommand::BackgroundColor(color))
});
}
/// Set the background image for the given graphics context.
///
/// SAFETY:
/// - graphics_id is a valid ID returned from graphics_create.
/// - image_id is a valid ID returned from processing_image_create.
/// - The image has been fully uploaded.
/// - This is called from the same thread as init.
#[unsafe(no_mangle)]
pub extern "C" fn processing_background_image(graphics_id: u64, image_id: u64) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
let image_entity = Entity::from_bits(image_id);
error::check(|| {
graphics_record_command(graphics_entity, DrawCommand::BackgroundImage(image_entity))
});
}
/// Begins the draw for the given graphics context.
///
/// SAFETY:
/// - graphics_id is a valid ID returned from graphics_create.
/// - Init has been called and exit has not been called.
/// - This is called from the same thread as init.
#[unsafe(no_mangle)]
pub extern "C" fn processing_begin_draw(graphics_id: u64) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| graphics_begin_draw(graphics_entity));
}
/// Flushes recorded draw commands for the given graphics context.
///
/// SAFETY:
/// - graphics_id is a valid ID returned from graphics_create.
/// - Init has been called and exit has not been called.
/// - This is called from the same thread as init.
#[unsafe(no_mangle)]
pub extern "C" fn processing_flush(graphics_id: u64) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| graphics_flush(graphics_entity));
}
/// Ends the draw for the given graphics context and presents the frame.
///
/// SAFETY:
/// - graphics_id is a valid ID returned from graphics_create.
/// - Init has been called and exit has not been called.
/// - This is called from the same thread as init.
#[unsafe(no_mangle)]
pub extern "C" fn processing_end_draw(graphics_id: u64) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| graphics_end_draw(graphics_entity));
}
/// Shuts down internal resources with given exit code, but does *not* terminate the process.
///
/// SAFETY:
/// - This is called from the same thread as init.
/// - Caller ensures that update is never called again after exit.
#[unsafe(no_mangle)]
pub extern "C" fn processing_exit(exit_code: u8) {
error::clear_error();
error::check(|| exit(exit_code));
}
/// Set the color mode for a graphics context.
///
/// SAFETY:
/// - graphics_id is a valid ID returned from graphics_create.
/// - This is called from the same thread as init.
#[unsafe(no_mangle)]
pub extern "C" fn processing_color_mode(
graphics_id: u64,
space: u8,
max1: f32,
max2: f32,
max3: f32,
max_alpha: f32,
) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| {
let space = processing::prelude::color::ColorSpace::from_u8(space).ok_or_else(|| {
processing::prelude::error::ProcessingError::InvalidArgument(format!(
"unknown color space: {space}"
))
})?;
let mode = processing::prelude::color::ColorMode::new(space, max1, max2, max3, max_alpha);
graphics_set_color_mode(graphics_entity, mode)
});
}
/// Set the fill color.
///
/// SAFETY:
/// - graphics_id is a valid ID returned from graphics_create.
/// - This is called from the same thread as init.
#[unsafe(no_mangle)]
pub extern "C" fn processing_set_fill(graphics_id: u64, color: Color) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| {
let mode = graphics_get_color_mode(graphics_entity)?;
graphics_record_command(graphics_entity, DrawCommand::Fill(color.resolve(&mode)))
});
}
/// Set the stroke color.
///
/// SAFETY:
/// - graphics_id is a valid ID returned from graphics_create.
/// - This is called from the same thread as init.
#[unsafe(no_mangle)]
pub extern "C" fn processing_set_stroke_color(graphics_id: u64, color: Color) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| {
let mode = graphics_get_color_mode(graphics_entity)?;
graphics_record_command(
graphics_entity,
DrawCommand::StrokeColor(color.resolve(&mode)),
)
});
}
/// Set the stroke weight.
///
/// SAFETY:
/// - graphics_id is a valid ID returned from graphics_create.
/// - This is called from the same thread as init.
#[unsafe(no_mangle)]
pub extern "C" fn processing_set_stroke_weight(graphics_id: u64, weight: f32) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| graphics_record_command(graphics_entity, DrawCommand::StrokeWeight(weight)));
}
/// Set the stroke cap mode.
#[unsafe(no_mangle)]
pub extern "C" fn processing_set_stroke_cap(graphics_id: u64, cap: u8) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| {
graphics_record_command(
graphics_entity,
DrawCommand::StrokeCap(processing::prelude::StrokeCapMode::from(cap)),
)
});
}
/// Set the stroke join mode.
#[unsafe(no_mangle)]
pub extern "C" fn processing_set_stroke_join(graphics_id: u64, join: u8) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| {
graphics_record_command(
graphics_entity,
DrawCommand::StrokeJoin(processing::prelude::StrokeJoinMode::from(join)),
)
});
}
/// Set the rect mode.
#[unsafe(no_mangle)]
pub extern "C" fn processing_rect_mode(graphics_id: u64, mode: u8) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| {
graphics_record_command(
graphics_entity,
DrawCommand::RectMode(processing::prelude::ShapeMode::from(mode)),
)
});
}
/// Set the ellipse mode.
#[unsafe(no_mangle)]
pub extern "C" fn processing_ellipse_mode(graphics_id: u64, mode: u8) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| {
graphics_record_command(
graphics_entity,
DrawCommand::EllipseMode(processing::prelude::ShapeMode::from(mode)),
)
});
}
/// Disable fill for subsequent shapes.
///
/// SAFETY:
/// - graphics_id is a valid ID returned from graphics_create.
/// - This is called from the same thread as init.
#[unsafe(no_mangle)]
pub extern "C" fn processing_no_fill(graphics_id: u64) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| graphics_record_command(graphics_entity, DrawCommand::NoFill));
}
/// Disable stroke for subsequent shapes.
///
/// SAFETY:
/// - graphics_id is a valid ID returned from graphics_create.
/// - This is called from the same thread as init.
#[unsafe(no_mangle)]
pub extern "C" fn processing_no_stroke(graphics_id: u64) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| graphics_record_command(graphics_entity, DrawCommand::NoStroke));
}
/// Push the current transformation matrix onto the stack.
///
/// SAFETY:
/// - graphics_id is a valid ID returned from graphics_create.
/// - This is called from the same thread as init.
#[unsafe(no_mangle)]
pub extern "C" fn processing_push_matrix(graphics_id: u64) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| graphics_record_command(graphics_entity, DrawCommand::PushMatrix));
}
/// Pop the transformation matrix from the stack.
///
/// SAFETY:
/// - graphics_id is a valid ID returned from graphics_create.
/// - This is called from the same thread as init.
#[unsafe(no_mangle)]
pub extern "C" fn processing_pop_matrix(graphics_id: u64) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| graphics_record_command(graphics_entity, DrawCommand::PopMatrix));
}
/// Reset the transformation matrix to identity.
///
/// SAFETY:
/// - graphics_id is a valid ID returned from graphics_create.
/// - This is called from the same thread as init.
#[unsafe(no_mangle)]
pub extern "C" fn processing_reset_matrix(graphics_id: u64) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| graphics_record_command(graphics_entity, DrawCommand::ResetMatrix));
}
/// Translate the coordinate system.
///
/// SAFETY:
/// - graphics_id is a valid ID returned from graphics_create.
/// - This is called from the same thread as init.
#[unsafe(no_mangle)]
pub extern "C" fn processing_translate(graphics_id: u64, x: f32, y: f32) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| {
graphics_record_command(graphics_entity, DrawCommand::Translate(Vec2::new(x, y)))
});
}
/// Rotate the coordinate system.
///
/// SAFETY:
/// - graphics_id is a valid ID returned from graphics_create.
/// - This is called from the same thread as init.
#[unsafe(no_mangle)]
pub extern "C" fn processing_rotate(graphics_id: u64, angle: f32) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| graphics_record_command(graphics_entity, DrawCommand::Rotate { angle }));
}
/// Scale the coordinate system.
///
/// SAFETY:
/// - graphics_id is a valid ID returned from graphics_create.
/// - This is called from the same thread as init.
#[unsafe(no_mangle)]
pub extern "C" fn processing_scale(graphics_id: u64, x: f32, y: f32) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| graphics_record_command(graphics_entity, DrawCommand::Scale(Vec2::new(x, y))));
}
/// Shear along the X axis.
///
/// SAFETY:
/// - graphics_id is a valid ID returned from graphics_create.
/// - This is called from the same thread as init.
#[unsafe(no_mangle)]
pub extern "C" fn processing_shear_x(graphics_id: u64, angle: f32) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| graphics_record_command(graphics_entity, DrawCommand::ShearX { angle }));
}
/// Shear along the Y axis.
///
/// SAFETY:
/// - graphics_id is a valid ID returned from graphics_create.
/// - This is called from the same thread as init.
#[unsafe(no_mangle)]
pub extern "C" fn processing_shear_y(graphics_id: u64, angle: f32) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| graphics_record_command(graphics_entity, DrawCommand::ShearY { angle }));
}
#[unsafe(no_mangle)]
pub extern "C" fn processing_set_blend_mode(graphics_id: u64, mode: u8) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| {
let blend_state = processing::prelude::BlendMode::try_from(mode)?.to_blend_state();
graphics_record_command(graphics_entity, DrawCommand::BlendMode(blend_state))
});
}
#[unsafe(no_mangle)]
pub extern "C" fn processing_set_custom_blend_mode(
graphics_id: u64,
color_src: u8,
color_dst: u8,
color_op: u8,
alpha_src: u8,
alpha_dst: u8,
alpha_op: u8,
) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| {
let blend_state = custom_blend_state(
color_src, color_dst, color_op, alpha_src, alpha_dst, alpha_op,
)?;
graphics_record_command(graphics_entity, DrawCommand::BlendMode(Some(blend_state)))
});
}
/// Draw a rectangle.
///
/// SAFETY:
/// - graphics_id is a valid ID returned from graphics_create.
/// - This is called from the same thread as init.
#[unsafe(no_mangle)]
pub extern "C" fn processing_rect(
graphics_id: u64,
x: f32,
y: f32,
w: f32,
h: f32,
tl: f32,
tr: f32,
br: f32,
bl: f32,
) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| {
graphics_record_command(
graphics_entity,
DrawCommand::Rect {
x,
y,
w,
h,
radii: [tl, tr, br, bl],
},
)
});
}
/// Draw an ellipse.
#[unsafe(no_mangle)]
pub extern "C" fn processing_ellipse(graphics_id: u64, cx: f32, cy: f32, w: f32, h: f32) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| {
graphics_record_command(graphics_entity, DrawCommand::Ellipse { cx, cy, w, h })
});
}
/// Draw a circle.
#[unsafe(no_mangle)]
pub extern "C" fn processing_circle(graphics_id: u64, cx: f32, cy: f32, d: f32) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| {
graphics_record_command(graphics_entity, DrawCommand::Ellipse { cx, cy, w: d, h: d })
});
}
/// Draw a line.
#[unsafe(no_mangle)]
pub extern "C" fn processing_line(graphics_id: u64, x1: f32, y1: f32, x2: f32, y2: f32) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| graphics_record_command(graphics_entity, DrawCommand::Line { x1, y1, x2, y2 }));
}
/// Draw a triangle.
#[unsafe(no_mangle)]
pub extern "C" fn processing_triangle(
graphics_id: u64,
x1: f32,
y1: f32,
x2: f32,
y2: f32,
x3: f32,
y3: f32,
) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| {
graphics_record_command(
graphics_entity,
DrawCommand::Triangle {
x1,
y1,
x2,
y2,
x3,
y3,
},
)
});
}
/// Draw a quadrilateral.
#[unsafe(no_mangle)]
pub extern "C" fn processing_quad(
graphics_id: u64,
x1: f32,
y1: f32,
x2: f32,
y2: f32,
x3: f32,
y3: f32,
x4: f32,
y4: f32,
) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| {
graphics_record_command(
graphics_entity,
DrawCommand::Quad {
x1,
y1,
x2,
y2,
x3,
y3,
x4,
y4,
},
)
});
}
/// Draw a point.
#[unsafe(no_mangle)]
pub extern "C" fn processing_point(graphics_id: u64, x: f32, y: f32) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| graphics_record_command(graphics_entity, DrawCommand::Point { x, y }));
}
/// Draw a square.
#[unsafe(no_mangle)]
pub extern "C" fn processing_square(graphics_id: u64, x: f32, y: f32, s: f32) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| {
graphics_record_command(
graphics_entity,
DrawCommand::Rect {
x,
y,
w: s,
h: s,
radii: [0.0; 4],
},
)
});
}
/// Draw an arc.
#[unsafe(no_mangle)]
pub extern "C" fn processing_arc(
graphics_id: u64,
cx: f32,
cy: f32,
w: f32,
h: f32,
start: f32,
stop: f32,
mode: u8,
) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| {
graphics_record_command(
graphics_entity,
DrawCommand::Arc {
cx,
cy,
w,
h,
start,
stop,
mode: processing::prelude::ArcMode::from(mode),
},
)
});
}
/// Draw a cubic bezier curve.
#[unsafe(no_mangle)]
pub extern "C" fn processing_bezier(
graphics_id: u64,
x1: f32,
y1: f32,
x2: f32,
y2: f32,
x3: f32,
y3: f32,
x4: f32,
y4: f32,
) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| {
graphics_record_command(
graphics_entity,
DrawCommand::Bezier {
x1,
y1,
x2,
y2,
x3,
y3,
x4,
y4,
},
)
});
}
/// Draw a Catmull-Rom curve.
#[unsafe(no_mangle)]
pub extern "C" fn processing_curve(
graphics_id: u64,
x1: f32,
y1: f32,
x2: f32,
y2: f32,
x3: f32,
y3: f32,
x4: f32,
y4: f32,
) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| {
graphics_record_command(
graphics_entity,
DrawCommand::Curve {
x1,
y1,
x2,
y2,
x3,
y3,
x4,
y4,
},
)
});
}
/// Draw a cylinder.
#[unsafe(no_mangle)]
pub extern "C" fn processing_cylinder(graphics_id: u64, radius: f32, height: f32, detail: u32) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| {
graphics_record_command(
graphics_entity,
DrawCommand::Cylinder {
radius,
height,
detail,
},
)
});
}
/// Draw a cone.
#[unsafe(no_mangle)]
pub extern "C" fn processing_cone(graphics_id: u64, radius: f32, height: f32, detail: u32) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| {
graphics_record_command(
graphics_entity,
DrawCommand::Cone {
radius,
height,
detail,
},
)
});
}
/// Draw a torus.
#[unsafe(no_mangle)]
pub extern "C" fn processing_torus(
graphics_id: u64,
radius: f32,
tube_radius: f32,
major_segments: u32,
minor_segments: u32,
) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| {
graphics_record_command(
graphics_entity,
DrawCommand::Torus {
radius,
tube_radius,
major_segments,
minor_segments,
},
)
});
}
/// Draw a plane.
#[unsafe(no_mangle)]
pub extern "C" fn processing_plane(graphics_id: u64, width: f32, height: f32) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| graphics_record_command(graphics_entity, DrawCommand::Plane { width, height }));
}
/// Draw a capsule.
#[unsafe(no_mangle)]
pub extern "C" fn processing_capsule(graphics_id: u64, radius: f32, length: f32, detail: u32) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| {
graphics_record_command(
graphics_entity,
DrawCommand::Capsule {
radius,
length,
detail,
},
)
});
}
/// Draw a conical frustum.
#[unsafe(no_mangle)]
pub extern "C" fn processing_conical_frustum(
graphics_id: u64,
radius_top: f32,
radius_bottom: f32,
height: f32,
detail: u32,
) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| {
graphics_record_command(
graphics_entity,
DrawCommand::ConicalFrustum {
radius_top,
radius_bottom,
height,
detail,
},
)
});
}
/// Draw a tetrahedron.
#[unsafe(no_mangle)]
pub extern "C" fn processing_tetrahedron(graphics_id: u64, radius: f32) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| graphics_record_command(graphics_entity, DrawCommand::Tetrahedron { radius }));
}
/// Begin recording vertices for a custom shape.
#[unsafe(no_mangle)]
pub extern "C" fn processing_begin_shape(graphics_id: u64, kind: u8) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| {
graphics_record_command(
graphics_entity,
DrawCommand::BeginShape {
kind: processing::prelude::ShapeKind::from(kind),
},
)
});
}
/// End recording vertices and draw the shape.
#[unsafe(no_mangle)]
pub extern "C" fn processing_end_shape(graphics_id: u64, close: bool) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| graphics_record_command(graphics_entity, DrawCommand::EndShape { close }));
}
/// Add a vertex to the current shape.
#[unsafe(no_mangle)]
pub extern "C" fn processing_vertex(graphics_id: u64, x: f32, y: f32) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| graphics_record_command(graphics_entity, DrawCommand::ShapeVertex { x, y }));
}
/// Add a cubic bezier vertex to the current shape.
#[unsafe(no_mangle)]
pub extern "C" fn processing_bezier_vertex(
graphics_id: u64,
cx1: f32,
cy1: f32,
cx2: f32,
cy2: f32,
x: f32,
y: f32,
) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| {
graphics_record_command(
graphics_entity,
DrawCommand::ShapeBezierVertex {
cx1,
cy1,
cx2,
cy2,
x,
y,
},
)
});
}
/// Add a quadratic bezier vertex to the current shape.
#[unsafe(no_mangle)]
pub extern "C" fn processing_quadratic_vertex(graphics_id: u64, cx: f32, cy: f32, x: f32, y: f32) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| {
graphics_record_command(
graphics_entity,
DrawCommand::ShapeQuadraticVertex { cx, cy, x, y },
)
});
}
/// Add a Catmull-Rom curve vertex to the current shape.
#[unsafe(no_mangle)]
pub extern "C" fn processing_curve_vertex(graphics_id: u64, x: f32, y: f32) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| {
graphics_record_command(graphics_entity, DrawCommand::ShapeCurveVertex { x, y })
});
}
/// Begin a contour within the current shape.
#[unsafe(no_mangle)]
pub extern "C" fn processing_begin_contour(graphics_id: u64) {
error::clear_error();
let graphics_entity = Entity::from_bits(graphics_id);
error::check(|| graphics_record_command(graphics_entity, DrawCommand::BeginContour));
}