Files
OneCAD-Draft/src/entities/raster_image.rs
T
Hakan SevenandClaude Fable 5 e1a4ddef5e feat(pick): select frame-like entities by clicking inside them
Images, OLE frames, wipeouts, underlays, paper-space viewports and
drawing-view borders were selectable only on their outline. Each now
carries an interior pick surface (pick_tris over its rectangle, or the
triangulated clip polygon for a clipped underlay), ranked below edge
and fill hits so content drawn inside still wins the click. The
layout's own sheet ("overall") viewport is excluded — identified by
the Layout object's viewport link, since DWG files carry viewport
id = 0 and some center the sheet viewport off-origin — or it would
swallow every click over the real viewports beneath it. Drawing-view
borders draw nothing normally; they emit an invisible pick-only wire
whose rect outline appears while selected.

Co-Authored-By: Claude Fable 5 <[email protected]>
2026-07-21 09:28:07 +03:00

705 lines
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use acadrust::entities::{RasterImage, Wipeout};
use crate::command::EntityTransform;
use crate::entities::common::{center_grip, edit_prop as edit, ro_prop as ro, square_grip};
use crate::entities::text_support::{resolve_text_style, text_local_bounds};
use crate::entities::traits::{Grippable, PropertyEditable, Transformable, TruckConvertible};
use crate::scene::convert::acad_to_truck::{GlyphRun, TextStroke, TruckEntity, TruckObject};
use crate::scene::model::object::{GripApply, GripDef, PropSection, PropValue, Property};
use crate::scene::text::lff;
// ── Shared geometry helpers ───────────────────────────────────────────────────
/// Compute the four world-space corners of an image/wipeout from its
/// insertion_point, u_vector, v_vector and pixel size.
///
/// Returns (p0, p1, p2, p3) in counter-clockwise order:
/// p0 = origin
/// p1 = origin + U*W
/// p2 = origin + U*W + V*H
/// p3 = origin + V*H
fn image_corners(
origin: &acadrust::types::Vector3,
u: &acadrust::types::Vector3,
v: &acadrust::types::Vector3,
w: f64,
h: f64,
) -> [[f64; 3]; 4] {
let ox = origin.x;
let oy = origin.y;
let oz = origin.z;
let ux = u.x * w;
let uy = u.y * w;
let uz = u.z * w;
let vx = v.x * h;
let vy = v.y * h;
let vz = v.z * h;
[
[ox, oy, oz],
[ox + ux, oy + uy, oz + uz],
[ox + ux + vx, oy + uy + vy, oz + uz + vz],
[ox + vx, oy + vy, oz + vz],
]
}
/// Rectangle border + X diagonals — used as a placeholder for images.
fn image_wire(corners: [[f64; 3]; 4], with_x: bool) -> Vec<[f64; 3]> {
let [p0, p1, p2, p3] = corners;
let mut pts = vec![p0, p1, p2, p3, p0];
if with_x {
pts.push([f64::NAN; 3]);
pts.push(p0);
pts.push(p2);
pts.push([f64::NAN; 3]);
pts.push(p1);
pts.push(p3);
}
pts
}
fn reflect_vec3(vx: &mut f64, vy: &mut f64, ax: f64, ay: f64, len2: f64) {
let dot = *vx * ax + *vy * ay;
*vx = 2.0 * dot * ax / len2 - *vx;
*vy = 2.0 * dot * ay / len2 - *vy;
}
// ── RasterImage ───────────────────────────────────────────────────────────────
impl TruckConvertible for RasterImage {
fn to_truck(&self, document: &acadrust::CadDocument) -> Option<TruckEntity> {
let corners = image_corners(
&self.insertion_point,
&self.u_vector,
&self.v_vector,
self.size.x,
self.size.y,
);
// Helper: pixel-space → world-space point.
let ox = self.insertion_point.x;
let oy = self.insertion_point.y;
let oz = self.insertion_point.z;
let px_to_world = |px: f64, py: f64| -> [f64; 3] {
[
ox + self.u_vector.x * px + self.v_vector.x * py,
oy + self.u_vector.y * px + self.v_vector.y * py,
oz + self.u_vector.z * px + self.v_vector.z * py,
]
};
// Clip-boundary Y is in image raster space (row 0 = top, Y down); the
// image's v-vector points up, so flip each vertex's Y (`ih - y`) to
// place the boundary where AutoCAD draws it. Must match the raster's
// own clip triangulation in `ImageModel` so outline and pixels align.
let ih = self.size.y;
let pts = if self.clipping_enabled {
let cb = &self.clip_boundary;
match cb.clip_type {
acadrust::entities::ClipType::Polygonal if cb.vertices.len() >= 3 => {
let mut poly: Vec<[f64; 3]> =
cb.vertices.iter().map(|v| px_to_world(v.x, ih - v.y)).collect();
if let Some(&first) = poly.first() {
poly.push(first);
}
poly
}
acadrust::entities::ClipType::Rectangular if cb.vertices.len() >= 2 => {
let v0 = &cb.vertices[0];
let v1 = &cb.vertices[1];
let (xa, xb) = (v0.x.min(v1.x), v0.x.max(v1.x));
let (y0, y1) = (ih - v0.y, ih - v1.y);
let (ya, yb) = (y0.min(y1), y0.max(y1));
let c0 = px_to_world(xa, ya);
let c1 = px_to_world(xb, ya);
let c2 = px_to_world(xb, yb);
let c3 = px_to_world(xa, yb);
vec![c0, c1, c2, c3, c0]
}
_ => image_wire(corners, true),
}
} else {
image_wire(corners, true)
};
// A raster OCS can display renders its pixels (built separately) inside
// this frame — just draw the frame/clip outline. A reference it cannot
// resolve (an offline/broken URL, a missing or renamed file) gets
// AutoCAD's broken-reference treatment: the frame plus the saved path
// drawn as text, so the user sees WHICH reference is unresolved instead
// of an empty box. `resolve_image` is memoised and shared with the
// raster loader, so a URL that fetches online is treated as resolvable
// (no placeholder — the image shows) while an offline one falls back to
// the path text, and neither is fetched twice.
let path = self.file_path.trim();
let resolvable =
path.is_empty() || crate::scene::model::image_model::resolve_image(path).is_some();
if resolvable {
return Some(TruckEntity {
// Interior pick surface: the image selects on a click anywhere
// inside its frame, not just on the border.
pick_tris: crate::entities::common::quad_pick_tris(&corners),
object: TruckObject::Lines(pts),
snap_pts: vec![],
tangent_geoms: vec![],
key_vertices: corners.to_vec(),
fill_tris: vec![],
});
}
// ── Unresolved reference: frame outline + path text, image colour ──
let ins = [self.insertion_point.x, self.insertion_point.y];
// Boundary → run-less stroke groups (local to `ins`), split on the
// NaN gaps the wire uses to separate disjoint segments.
let mut boundary: Vec<Vec<[f32; 2]>> = Vec::new();
let mut seg: Vec<[f32; 2]> = Vec::new();
for p in &pts {
if p[0].is_nan() {
if seg.len() >= 2 {
boundary.push(std::mem::take(&mut seg));
} else {
seg.clear();
}
} else {
seg.push([(p[0] - ins[0]) as f32, (p[1] - ins[1]) as f32]);
}
}
if seg.len() >= 2 {
boundary.push(seg);
}
let mut groups: Vec<TextStroke> = vec![TextStroke {
strokes: boundary,
origin: ins,
color: None,
fill_tris: vec![],
run: None,
}];
// Place the path text centred in the frame, sized to span ~90% of the
// frame width (capped so it also fits vertically).
let c0 = corners[0];
let c2 = corners[2];
let uw = [corners[1][0] - c0[0], corners[1][1] - c0[1]];
let vh = [corners[3][0] - c0[0], corners[3][1] - c0[1]];
let frame_w = (uw[0] * uw[0] + uw[1] * uw[1]).sqrt();
let frame_h = (vh[0] * vh[0] + vh[1] * vh[1]).sqrt();
if frame_w > 1e-9 && frame_h > 1e-9 {
let u_hat = [uw[0] / frame_w, uw[1] / frame_w];
let v_hat = [vh[0] / frame_h, vh[1] / frame_h];
let rotation = (u_hat[1] as f32).atan2(u_hat[0] as f32);
let font = resolve_text_style("", document).font_name;
// advance at height 1.0 → width per unit height.
let adv = text_local_bounds(&font, path, 1.0, 1.0, 0.0)
.map(|b| b.advance)
.filter(|a| *a > 1e-3)
.unwrap_or(0.6 * path.chars().count().max(1) as f32);
let height = ((frame_w as f32 * 0.9) / adv)
.min(frame_h as f32 * 0.5)
.max(frame_h as f32 * 0.02);
let text_w = (adv * height) as f64;
let center = [(c0[0] + c2[0]) * 0.5, (c0[1] + c2[1]) * 0.5];
// Shift the baseline-left origin so the run is centred both ways.
let origin = [
center[0] - u_hat[0] * text_w * 0.5 - v_hat[0] * height as f64 * 0.35,
center[1] - u_hat[1] * text_w * 0.5 - v_hat[1] * height as f64 * 0.35,
];
let (strokes, fill_tris) =
lff::tessellate_text_ex([0.0, 0.0], height, rotation, 1.0, 0.0, &font, path);
groups.push(TextStroke {
strokes,
origin,
color: None,
fill_tris,
run: Some(GlyphRun {
text: path.to_string(),
font,
height,
rotation,
width_factor: 1.0,
oblique: 0.0,
tracking: 1.0,
bold: false,
}),
});
}
Some(TruckEntity {
pick_tris: crate::entities::common::quad_pick_tris(&corners),
object: TruckObject::Text(groups),
snap_pts: vec![],
tangent_geoms: vec![],
key_vertices: corners.to_vec(),
fill_tris: vec![],
})
}
}
impl Grippable for RasterImage {
fn grips(&self) -> Vec<GripDef> {
let corners = image_corners(
&self.insertion_point,
&self.u_vector,
&self.v_vector,
self.size.x,
self.size.y,
);
vec![
square_grip(0, glam::DVec3::from(corners[0])),
center_grip(1, glam::DVec3::from(corners[1])),
center_grip(2, glam::DVec3::from(corners[2])),
center_grip(3, glam::DVec3::from(corners[3])),
]
}
fn apply_grip(&mut self, grip_id: usize, apply: GripApply) {
if grip_id == 0 {
match apply {
GripApply::Translate(d) => {
self.insertion_point.x += d.x as f64;
self.insertion_point.y += d.y as f64;
self.insertion_point.z += d.z as f64;
}
GripApply::Absolute(p) => {
self.insertion_point.x = p.x as f64;
self.insertion_point.y = p.y as f64;
self.insertion_point.z = p.z as f64;
}
}
}
// Corner grips 1-3 are display-only (resizing changes u/v vectors,
// which requires careful normalization — deferred).
}
}
impl PropertyEditable for RasterImage {
fn geometry_properties(&self, _text_style_names: &[String]) -> Vec<PropSection> {
let rotation_deg = self.u_vector.y.atan2(self.u_vector.x).to_degrees();
let scale = self.u_vector.length();
let show_image = self.flags.contains(acadrust::entities::ImageDisplayFlags::SHOW_IMAGE);
let show_clipped = self
.flags
.contains(acadrust::entities::ImageDisplayFlags::USE_CLIPPING_BOUNDARY);
let clip_inverted = self.clip_boundary.clip_mode == acadrust::entities::ClipMode::Inside;
let transparency = format!("{:.0}%", self.common.transparency.as_percent() * 100.0);
vec![
PropSection {
title: "Geometry".into(),
props: vec![
edit("Position X", "ri_ox", self.insertion_point.x),
edit("Position Y", "ri_oy", self.insertion_point.y),
edit("Position Z", "ri_oz", self.insertion_point.z),
ro("Rotation", "ri_rotation", format!("{:.4}", rotation_deg)),
ro("Width", "ri_width", format!("{:.4}", self.width())),
ro("Height", "ri_height", format!("{:.4}", self.height())),
ro("Scale", "ri_scale", format!("{:.4}", scale)),
],
},
PropSection {
title: "Misc".into(),
props: vec![
ro("Name", "ri_name", self.file_name().to_string()),
edit("Brightness", "ri_bright", self.brightness as f64),
edit("Contrast", "ri_contrast", self.contrast as f64),
edit("Fade", "ri_fade", self.fade as f64),
ro("Transparency", "ri_transparency", transparency),
Property {
label: "Show image".into(),
field: "ri_show_image",
value: PropValue::BoolToggle {
field: "ri_show_image",
value: show_image,
},
},
Property {
label: "Show clipped".into(),
field: "ri_show_clipped",
value: PropValue::BoolToggle {
field: "ri_show_clipped",
value: show_clipped,
},
},
Property {
label: "Clip inverted".into(),
field: "ri_clip_inverted",
value: PropValue::BoolToggle {
field: "ri_clip_inverted",
value: clip_inverted,
},
},
],
},
]
}
fn apply_geom_prop(&mut self, field: &str, value: &str) {
match field {
"ri_show_image" => {
let on = if value == "toggle" {
!self.flags.contains(acadrust::entities::ImageDisplayFlags::SHOW_IMAGE)
} else {
value == "true"
};
self.set_visible(on);
return;
}
"ri_show_clipped" => {
let on = if value == "toggle" {
!self
.flags
.contains(acadrust::entities::ImageDisplayFlags::USE_CLIPPING_BOUNDARY)
} else {
value == "true"
};
if on {
self.flags |= acadrust::entities::ImageDisplayFlags::USE_CLIPPING_BOUNDARY;
} else {
self.flags &= !acadrust::entities::ImageDisplayFlags::USE_CLIPPING_BOUNDARY;
}
return;
}
"ri_clip_inverted" => {
let on = if value == "toggle" {
self.clip_boundary.clip_mode != acadrust::entities::ClipMode::Inside
} else {
value == "true"
};
self.clip_boundary.clip_mode = if on {
acadrust::entities::ClipMode::Inside
} else {
acadrust::entities::ClipMode::Outside
};
return;
}
_ => {}
}
let Ok(v) = value.trim().parse::<f64>() else {
return;
};
match field {
"ri_ox" => self.insertion_point.x = v,
"ri_oy" => self.insertion_point.y = v,
"ri_oz" => self.insertion_point.z = v,
"ri_bright" => self.brightness = v.clamp(0.0, 100.0) as u8,
"ri_contrast" => self.contrast = v.clamp(0.0, 100.0) as u8,
"ri_fade" => self.fade = v.clamp(0.0, 100.0) as u8,
_ => {}
}
}
}
impl Transformable for RasterImage {
fn apply_transform(&mut self, t: &EntityTransform) {
crate::scene::view::transform::apply_standard_entity_transform(self, t, |entity, p1, p2| {
crate::scene::view::transform::reflect_xy_point(
&mut entity.insertion_point.x,
&mut entity.insertion_point.y,
p1,
p2,
);
let ax = (p2.x - p1.x) as f64;
let ay = (p2.y - p1.y) as f64;
let len2 = ax * ax + ay * ay;
if len2 > 1e-12 {
reflect_vec3(&mut entity.u_vector.x, &mut entity.u_vector.y, ax, ay, len2);
reflect_vec3(&mut entity.v_vector.x, &mut entity.v_vector.y, ax, ay, len2);
}
});
}
}
// ── Wipeout ───────────────────────────────────────────────────────────────────
impl TruckConvertible for Wipeout {
fn to_truck(&self, _document: &acadrust::CadDocument) -> Option<TruckEntity> {
let corners = image_corners(
&self.insertion_point,
&self.u_vector,
&self.v_vector,
self.size.x,
self.size.y,
);
// If clipping is enabled and there's a polygon boundary, show that.
let pts = if self.clipping_enabled
&& self.clip_boundary_vertices.len() >= 3
&& matches!(
self.clip_type,
acadrust::entities::WipeoutClipType::Polygonal
) {
// Clip vertices are stored in image-pixel space, centred on the
// image (range ±size/2). The image's bottom-left corner sits at
// `insertion_point`, the image-Y axis points DOWN (per DXF
// "v_vector points down the image"), so map:
// x_off = (clip.x + size.x/2) × u_vector
// y_off = (size.y/2 − clip.y) × v_vector ← y flipped
let ox = self.insertion_point.x;
let oy = self.insertion_point.y;
let oz = self.insertion_point.z;
let mut poly: Vec<[f64; 3]> = self
.clip_boundary_vertices
.iter()
.map(|v| {
let cx = v.x + self.size.x * 0.5;
let cy = self.size.y * 0.5 - v.y;
let wx = self.u_vector.x * cx + self.v_vector.x * cy;
let wy = self.u_vector.y * cx + self.v_vector.y * cy;
let wz = self.u_vector.z * cx + self.v_vector.z * cy;
[ox + wx, oy + wy, oz + wz]
})
.collect();
// Close the polygon.
if let Some(&first) = poly.first() {
poly.push(first);
}
poly
} else {
// Rectangular boundary — just the border, no diagonals (mask area).
image_wire(corners, false)
};
Some(TruckEntity {
// Interior pick surface — a wipeout reads as a solid patch, so a
// click anywhere on it should select it.
pick_tris: crate::entities::common::quad_pick_tris(&corners),
object: TruckObject::Lines(pts),
snap_pts: vec![],
tangent_geoms: vec![],
key_vertices: corners.to_vec(),
fill_tris: vec![],
})
}
}
impl Grippable for Wipeout {
fn grips(&self) -> Vec<GripDef> {
// If polygonal clipping is active, expose individual polygon vertices as grips.
let is_polygon = self.clipping_enabled
&& self.clip_boundary_vertices.len() >= 3
&& matches!(
self.clip_type,
acadrust::entities::WipeoutClipType::Polygonal
);
if is_polygon {
let ox = self.insertion_point.x;
let oy = self.insertion_point.y;
let oz = self.insertion_point.z;
// Same image-pixel-space → WCS mapping as `to_truck` so grips
// sit exactly on the rendered polygon vertices.
self.clip_boundary_vertices
.iter()
.enumerate()
.map(|(i, v)| {
let cx = v.x + self.size.x * 0.5;
let cy = self.size.y * 0.5 - v.y;
let wx = self.u_vector.x * cx + self.v_vector.x * cy;
let wy = self.u_vector.y * cx + self.v_vector.y * cy;
let wz = self.u_vector.z * cx + self.v_vector.z * cy;
if i == 0 {
square_grip(i, glam::DVec3::new(ox + wx, oy + wy, oz + wz))
} else {
center_grip(i, glam::DVec3::new(ox + wx, oy + wy, oz + wz))
}
})
.collect()
} else {
let corners = image_corners(
&self.insertion_point,
&self.u_vector,
&self.v_vector,
self.size.x,
self.size.y,
);
vec![
square_grip(0, glam::DVec3::from(corners[0])),
center_grip(1, glam::DVec3::from(corners[1])),
center_grip(2, glam::DVec3::from(corners[2])),
center_grip(3, glam::DVec3::from(corners[3])),
]
}
}
fn apply_grip(&mut self, grip_id: usize, apply: GripApply) {
let is_polygon = self.clipping_enabled
&& self.clip_boundary_vertices.len() >= 3
&& matches!(
self.clip_type,
acadrust::entities::WipeoutClipType::Polygonal
);
if is_polygon {
// Move the clicked polygon vertex in world space → back-project to pixel space.
if let Some(v) = self.clip_boundary_vertices.get_mut(grip_id) {
// Compute current world position of this vertex.
let ox = self.insertion_point.x;
let oy = self.insertion_point.y;
let oz = self.insertion_point.z;
let cur_wx =
ox + self.u_vector.x * v.x * self.size.x + self.v_vector.x * v.y * self.size.y;
let cur_wy =
oy + self.u_vector.y * v.x * self.size.x + self.v_vector.y * v.y * self.size.y;
let cur_wz =
oz + self.u_vector.z * v.x * self.size.x + self.v_vector.z * v.y * self.size.y;
let new_w = match apply {
GripApply::Translate(d) => [
cur_wx + d.x as f64,
cur_wy + d.y as f64,
cur_wz + d.z as f64,
],
GripApply::Absolute(p) => [p.x as f64, p.y as f64, p.z as f64],
};
// Back-project: solve for pixel coords using u_vector and v_vector.
// In 2D (XY plane): new_w - insertion_point = u_vec * vx * sx + v_vec * vy * sy
let dx = new_w[0] - self.insertion_point.x;
let dy = new_w[1] - self.insertion_point.y;
let ux = self.u_vector.x * self.size.x;
let uy = self.u_vector.y * self.size.x;
let vx = self.v_vector.x * self.size.y;
let vy = self.v_vector.y * self.size.y;
let det = ux * vy - uy * vx;
if det.abs() > 1e-12 {
v.x = (dx * vy - dy * vx) / det;
v.y = (ux * dy - uy * dx) / det;
}
}
} else if grip_id == 0 {
match apply {
GripApply::Translate(d) => {
self.insertion_point.x += d.x as f64;
self.insertion_point.y += d.y as f64;
self.insertion_point.z += d.z as f64;
}
GripApply::Absolute(p) => {
self.insertion_point.x = p.x as f64;
self.insertion_point.y = p.y as f64;
self.insertion_point.z = p.z as f64;
}
}
}
}
}
impl PropertyEditable for Wipeout {
fn geometry_properties(&self, _text_style_names: &[String]) -> Vec<PropSection> {
let show_image = self.flags.contains(acadrust::entities::WipeoutDisplayFlags::SHOW_IMAGE);
let show_clipped = self
.flags
.contains(acadrust::entities::WipeoutDisplayFlags::USE_CLIPPING_BOUNDARY);
let bg_transparency = self
.flags
.contains(acadrust::entities::WipeoutDisplayFlags::TRANSPARENCY_ON);
vec![
PropSection {
title: "Geometry".into(),
props: vec![
edit("Position X", "wo_ox", self.insertion_point.x),
edit("Position Y", "wo_oy", self.insertion_point.y),
edit("Position Z", "wo_oz", self.insertion_point.z),
],
},
PropSection {
title: "Misc".into(),
props: vec![
Property {
label: "Show image".into(),
field: "wo_show_image",
value: PropValue::BoolToggle {
field: "wo_show_image",
value: show_image,
},
},
Property {
label: "Show clipped".into(),
field: "wo_show_clipped",
value: PropValue::BoolToggle {
field: "wo_show_clipped",
value: show_clipped,
},
},
Property {
label: "Background transparency".into(),
field: "wo_bg_transparency",
value: PropValue::BoolToggle {
field: "wo_bg_transparency",
value: bg_transparency,
},
},
],
},
]
}
fn apply_geom_prop(&mut self, field: &str, value: &str) {
match field {
"wo_show_image" => {
let on = if value == "toggle" {
!self.flags.contains(acadrust::entities::WipeoutDisplayFlags::SHOW_IMAGE)
} else {
value == "true"
};
self.set_frame_visible(on);
return;
}
"wo_show_clipped" => {
let on = if value == "toggle" {
!self
.flags
.contains(acadrust::entities::WipeoutDisplayFlags::USE_CLIPPING_BOUNDARY)
} else {
value == "true"
};
if on {
self.flags |= acadrust::entities::WipeoutDisplayFlags::USE_CLIPPING_BOUNDARY;
} else {
self.flags -= acadrust::entities::WipeoutDisplayFlags::USE_CLIPPING_BOUNDARY;
}
return;
}
"wo_bg_transparency" => {
let on = if value == "toggle" {
!self.flags.contains(acadrust::entities::WipeoutDisplayFlags::TRANSPARENCY_ON)
} else {
value == "true"
};
if on {
self.flags |= acadrust::entities::WipeoutDisplayFlags::TRANSPARENCY_ON;
} else {
self.flags -= acadrust::entities::WipeoutDisplayFlags::TRANSPARENCY_ON;
}
return;
}
_ => {}
}
let Ok(v) = value.trim().parse::<f64>() else {
return;
};
match field {
"wo_ox" => self.insertion_point.x = v,
"wo_oy" => self.insertion_point.y = v,
"wo_oz" => self.insertion_point.z = v,
_ => {}
}
}
}
impl Transformable for Wipeout {
fn apply_transform(&mut self, t: &EntityTransform) {
crate::scene::view::transform::apply_standard_entity_transform(self, t, |entity, p1, p2| {
crate::scene::view::transform::reflect_xy_point(
&mut entity.insertion_point.x,
&mut entity.insertion_point.y,
p1,
p2,
);
let ax = (p2.x - p1.x) as f64;
let ay = (p2.y - p1.y) as f64;
let len2 = ax * ax + ay * ay;
if len2 > 1e-12 {
reflect_vec3(&mut entity.u_vector.x, &mut entity.u_vector.y, ax, ay, len2);
reflect_vec3(&mut entity.v_vector.x, &mut entity.v_vector.y, ax, ay, len2);
}
});
}
}