cranpose-render-pixels 0.0.57

Pixels renderer backend for Cranpose
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use std::rc::Rc;

use cranpose_core::NodeId;
pub use cranpose_render_common::graph_scene::{ClickAction, HitRegion, Scene};
use cranpose_ui::{TextLayoutOptions, TextStyle};
use cranpose_ui_graphics::{
    BlendMode, Brush, Color, ColorFilter, ImageBitmap, Point, Rect, RoundedCornerShape,
};

#[derive(Clone)]
pub(crate) struct DrawShape {
    pub rect: Rect,
    pub snap_anchor: Option<Point>,
    pub brush: Brush,
    pub shape: Option<RoundedCornerShape>,
    pub z_index: usize,
    pub clip: Option<Rect>,
    pub blend_mode: BlendMode,
}

#[derive(Clone)]
pub(crate) struct TextDraw {
    pub node_id: NodeId,
    pub rect: Rect,
    pub snap_anchor: Option<Point>,
    pub text: Rc<cranpose_ui::text::AnnotatedString>,
    pub color: Color,
    pub text_style: TextStyle,
    pub font_size: f32,
    pub scale: f32,
    pub layout_options: TextLayoutOptions,
    pub z_index: usize,
    pub clip: Option<Rect>,
}

#[derive(Clone)]
pub(crate) struct ImageDraw {
    pub rect: Rect,
    pub snap_anchor: Option<Point>,
    pub image: ImageBitmap,
    pub alpha: f32,
    pub color_filter: Option<ColorFilter>,
    pub z_index: usize,
    pub clip: Option<Rect>,
    pub blend_mode: BlendMode,
    /// Source sub-region in image-pixel coordinates. `None` means full image.
    pub src_rect: Option<Rect>,
}

pub(crate) struct RasterScene {
    pub shapes: Vec<DrawShape>,
    pub images: Vec<ImageDraw>,
    pub texts: Vec<TextDraw>,
    pub next_z: usize,
}

impl RasterScene {
    pub fn new() -> Self {
        Self {
            shapes: Vec::new(),
            images: Vec::new(),
            texts: Vec::new(),
            next_z: 0,
        }
    }

    pub fn push_shape(
        &mut self,
        rect: Rect,
        brush: Brush,
        shape: Option<RoundedCornerShape>,
        clip: Option<Rect>,
        blend_mode: BlendMode,
    ) {
        let z_index = self.next_z;
        self.next_z += 1;
        self.shapes.push(DrawShape {
            rect,
            snap_anchor: None,
            brush,
            shape,
            z_index,
            clip,
            blend_mode,
        });
    }

    #[allow(clippy::too_many_arguments)]
    pub fn push_shape_with_geometry(
        &mut self,
        rect: Rect,
        _local_rect: Rect,
        _quad: [[f32; 2]; 4],
        brush: Brush,
        shape: Option<RoundedCornerShape>,
        clip: Option<Rect>,
        blend_mode: BlendMode,
    ) {
        self.push_shape(rect, brush, shape, clip, blend_mode);
    }

    #[allow(clippy::too_many_arguments)]
    pub fn push_image_with_geometry(
        &mut self,
        rect: Rect,
        _local_rect: Rect,
        _quad: [[f32; 2]; 4],
        image: ImageBitmap,
        alpha: f32,
        color_filter: Option<ColorFilter>,
        clip: Option<Rect>,
        src_rect: Option<Rect>,
        blend_mode: BlendMode,
    ) {
        let z_index = self.next_z;
        self.next_z += 1;
        self.images.push(ImageDraw {
            rect,
            snap_anchor: None,
            image,
            alpha: alpha.clamp(0.0, 1.0),
            color_filter,
            z_index,
            clip,
            blend_mode,
            src_rect,
        });
    }

    #[allow(clippy::too_many_arguments)]
    pub fn push_text(
        &mut self,
        node_id: NodeId,
        rect: Rect,
        text: Rc<cranpose_ui::text::AnnotatedString>,
        color: Color,
        text_style: TextStyle,
        font_size: f32,
        scale: f32,
        layout_options: TextLayoutOptions,
        clip: Option<Rect>,
    ) {
        let z_index = self.next_z;
        self.next_z += 1;
        self.texts.push(TextDraw {
            node_id,
            rect,
            snap_anchor: None,
            text,
            color,
            text_style,
            font_size,
            scale,
            layout_options,
            z_index,
            clip,
        });
    }
}

impl Default for RasterScene {
    fn default() -> Self {
        Self::new()
    }
}