Files
Graphite/node-graph/nodes/graphic/src/artboard.rs
2026-07-31 23:19:42 +02:00

57 lines
2.4 KiB
Rust

use core_types::gpoll::Interrupt;
use core_types::list::{Item, List};
use core_types::transform::TransformMut;
use core_types::{ATTR_BACKGROUND, ATTR_CLIP, ATTR_DIMENSIONS, ATTR_LOCATION, Color, Context, Ctx, DeriveCtx, ModifyFootprint};
use glam::{DAffine2, DVec2};
use graphic_types::graphic::{Graphic, IntoGraphicList};
use graphic_types::{Artboard, Vector};
use raster_types::{CPU, GPU, Raster};
use vector_types::GradientStops;
/// Constructs a single-element `Artboard[]` with the given content and metadata stored as row attributes.
#[node_macro::node(category(""))]
pub fn create_artboard<T: IntoGraphicList>(
ctx: impl Ctx + DeriveCtx + ModifyFootprint,
/// Graphics to include within the artboard.
#[implementations(
Context -> List<Graphic>,
Context -> List<Vector>,
Context -> List<String>,
Context -> List<Raster<CPU>>,
Context -> List<Raster<GPU>>,
Context -> List<Color>,
Context -> List<GradientStops>,
Context -> DAffine2,
)]
content: impl Node<Context<'_>, Output = T>,
/// Coordinate of the top-left corner of the artboard within the document.
location: DVec2,
/// Width and height of the artboard within the document.
dimensions: DVec2,
/// Color of the artboard background.
background: List<Color>,
/// Whether to cut off the contained content that extends outside the artboard, or keep it visible.
#[default(true)]
clip: bool,
) -> Result<List<Artboard>, Interrupt> {
let translated = ctx.modify_footprint(|footprint| footprint.translate(location));
let content = content.eval(&translated.ctx())?.into_graphic_list();
// Normalize so `location` is the top-left corner and `dimensions` are positive (allowing negative input
// dimensions to represent dragging from the opposite corner). Compute the corner using the raw signed
// dimensions before clamping, otherwise negative inputs collapse to the original corner instead of inverting.
let normalized_location = location.min(location + dimensions);
let normalized_dimensions = dimensions.abs().max(DVec2::ONE);
let background = background.element(0).copied().unwrap_or(Color::WHITE);
// Name is not stored here, it's resolved live from the parent layer's display name
Ok(List::new_from_item(
Item::new_from_element(Artboard::new(content))
.with_attribute(ATTR_LOCATION, normalized_location)
.with_attribute(ATTR_DIMENSIONS, normalized_dimensions)
.with_attribute(ATTR_BACKGROUND, background)
.with_attribute(ATTR_CLIP, clip),
))
}