273 lines
8.9 KiB
Rust
273 lines
8.9 KiB
Rust
use super::tool_prelude::*;
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use crate::messages::tool::common_functionality::color_selector::{ToolColorOptions, ToolColorType};
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use crate::messages::tool::common_functionality::graph_modification_utils;
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use crate::messages::tool::common_functionality::resize::Resize;
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use graph_craft::document::NodeId;
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use graphene_core::uuid::generate_uuid;
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use graphene_core::vector::style::{Fill, Stroke};
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use graphene_core::Color;
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#[derive(Default)]
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pub struct EllipseTool {
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fsm_state: EllipseToolFsmState,
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data: EllipseToolData,
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options: EllipseToolOptions,
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}
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pub struct EllipseToolOptions {
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line_weight: f64,
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fill: ToolColorOptions,
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stroke: ToolColorOptions,
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}
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impl Default for EllipseToolOptions {
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fn default() -> Self {
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Self {
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line_weight: 5.,
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fill: ToolColorOptions::new_secondary(),
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stroke: ToolColorOptions::new_primary(),
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}
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}
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}
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#[remain::sorted]
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#[derive(PartialEq, Clone, Debug, Serialize, Deserialize, specta::Type)]
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pub enum EllipseOptionsUpdate {
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FillColor(Option<Color>),
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FillColorType(ToolColorType),
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LineWeight(f64),
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StrokeColor(Option<Color>),
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StrokeColorType(ToolColorType),
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WorkingColors(Option<Color>, Option<Color>),
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}
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#[remain::sorted]
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#[impl_message(Message, ToolMessage, Ellipse)]
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#[derive(PartialEq, Clone, Debug, Serialize, Deserialize, specta::Type)]
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pub enum EllipseToolMessage {
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// Standard messages
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#[remain::unsorted]
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CanvasTransformed,
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#[remain::unsorted]
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Abort,
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#[remain::unsorted]
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WorkingColorChanged,
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// Tool-specific messages
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DragStart,
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DragStop,
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Resize {
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center: Key,
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lock_ratio: Key,
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},
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UpdateOptions(EllipseOptionsUpdate),
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}
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impl ToolMetadata for EllipseTool {
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fn icon_name(&self) -> String {
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"VectorEllipseTool".into()
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}
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fn tooltip(&self) -> String {
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"Ellipse Tool".into()
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}
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fn tool_type(&self) -> crate::messages::tool::utility_types::ToolType {
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ToolType::Ellipse
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}
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}
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fn create_weight_widget(line_weight: f64) -> WidgetHolder {
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NumberInput::new(Some(line_weight))
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.unit(" px")
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.label("Weight")
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.min(0.)
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.max((1_u64 << std::f64::MANTISSA_DIGITS) as f64)
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.on_update(|number_input: &NumberInput| EllipseToolMessage::UpdateOptions(EllipseOptionsUpdate::LineWeight(number_input.value.unwrap())).into())
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.widget_holder()
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}
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impl LayoutHolder for EllipseTool {
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fn layout(&self) -> Layout {
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let mut widgets = self.options.fill.create_widgets(
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"Fill",
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true,
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|_| EllipseToolMessage::UpdateOptions(EllipseOptionsUpdate::FillColor(None)).into(),
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|color_type: ToolColorType| WidgetCallback::new(move |_| EllipseToolMessage::UpdateOptions(EllipseOptionsUpdate::FillColorType(color_type.clone())).into()),
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|color: &ColorButton| EllipseToolMessage::UpdateOptions(EllipseOptionsUpdate::FillColor(color.value)).into(),
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);
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widgets.push(Separator::new(SeparatorType::Unrelated).widget_holder());
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widgets.append(&mut self.options.stroke.create_widgets(
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"Stroke",
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true,
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|_| EllipseToolMessage::UpdateOptions(EllipseOptionsUpdate::StrokeColor(None)).into(),
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|color_type: ToolColorType| WidgetCallback::new(move |_| EllipseToolMessage::UpdateOptions(EllipseOptionsUpdate::StrokeColorType(color_type.clone())).into()),
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|color: &ColorButton| EllipseToolMessage::UpdateOptions(EllipseOptionsUpdate::StrokeColor(color.value)).into(),
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));
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widgets.push(Separator::new(SeparatorType::Unrelated).widget_holder());
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widgets.push(create_weight_widget(self.options.line_weight));
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Layout::WidgetLayout(WidgetLayout::new(vec![LayoutGroup::Row { widgets }]))
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}
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}
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impl<'a> MessageHandler<ToolMessage, &mut ToolActionHandlerData<'a>> for EllipseTool {
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fn process_message(&mut self, message: ToolMessage, responses: &mut VecDeque<Message>, tool_data: &mut ToolActionHandlerData<'a>) {
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let ToolMessage::Ellipse(EllipseToolMessage::UpdateOptions(action)) = message else {
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self.fsm_state.process_event(message, &mut self.data, tool_data, &self.options, responses, true);
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return;
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};
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match action {
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EllipseOptionsUpdate::FillColor(color) => {
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self.options.fill.custom_color = color;
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self.options.fill.color_type = ToolColorType::Custom;
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}
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EllipseOptionsUpdate::FillColorType(color_type) => self.options.fill.color_type = color_type,
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EllipseOptionsUpdate::LineWeight(line_weight) => self.options.line_weight = line_weight,
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EllipseOptionsUpdate::StrokeColor(color) => {
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self.options.stroke.custom_color = color;
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self.options.stroke.color_type = ToolColorType::Custom;
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}
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EllipseOptionsUpdate::StrokeColorType(color_type) => self.options.stroke.color_type = color_type,
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EllipseOptionsUpdate::WorkingColors(primary, secondary) => {
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self.options.stroke.primary_working_color = primary;
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self.options.stroke.secondary_working_color = secondary;
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self.options.fill.primary_working_color = primary;
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self.options.fill.secondary_working_color = secondary;
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}
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}
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self.send_layout(responses, LayoutTarget::ToolOptions);
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}
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fn actions(&self) -> ActionList {
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use EllipseToolFsmState::*;
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match self.fsm_state {
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Ready => actions!(EllipseToolMessageDiscriminant;
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DragStart,
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),
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Drawing => actions!(EllipseToolMessageDiscriminant;
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DragStop,
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Abort,
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Resize,
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),
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}
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}
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}
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impl ToolTransition for EllipseTool {
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fn event_to_message_map(&self) -> EventToMessageMap {
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EventToMessageMap {
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canvas_transformed: Some(EllipseToolMessage::CanvasTransformed.into()),
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tool_abort: Some(EllipseToolMessage::Abort.into()),
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working_color_changed: Some(EllipseToolMessage::WorkingColorChanged.into()),
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..Default::default()
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}
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}
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}
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#[derive(Clone, Copy, Debug, Default, PartialEq, Eq)]
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enum EllipseToolFsmState {
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#[default]
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Ready,
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Drawing,
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}
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#[derive(Clone, Debug, Default)]
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struct EllipseToolData {
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data: Resize,
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}
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impl Fsm for EllipseToolFsmState {
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type ToolData = EllipseToolData;
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type ToolOptions = EllipseToolOptions;
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fn transition(self, event: ToolMessage, tool_data: &mut Self::ToolData, tool_action_data: &mut ToolActionHandlerData, tool_options: &Self::ToolOptions, responses: &mut VecDeque<Message>) -> Self {
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let ToolActionHandlerData {
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document, global_tool_data, input, ..
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} = tool_action_data;
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let shape_data = &mut tool_data.data;
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let ToolMessage::Ellipse(event) = event else {
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return self;
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};
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match (self, event) {
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(EllipseToolFsmState::Drawing, EllipseToolMessage::CanvasTransformed) => {
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tool_data.data.recalculate_snaps(document, input);
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self
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}
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(EllipseToolFsmState::Ready, EllipseToolMessage::DragStart) => {
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shape_data.start(responses, document, input);
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responses.add(DocumentMessage::StartTransaction);
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// Create a new ellipse vector shape
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let subpath = bezier_rs::Subpath::new_ellipse(DVec2::ZERO, DVec2::ONE);
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let manipulator_groups = subpath.manipulator_groups().to_vec();
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let layer = graph_modification_utils::new_vector_layer(vec![subpath], NodeId(generate_uuid()), document.new_layer_parent(), responses);
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graph_modification_utils::set_manipulator_mirror_angle(&manipulator_groups, layer, true, responses);
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shape_data.layer = Some(layer);
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let fill_color = tool_options.fill.active_color();
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responses.add(GraphOperationMessage::FillSet {
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layer,
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fill: if let Some(color) = fill_color { Fill::Solid(color) } else { Fill::None },
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});
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responses.add(GraphOperationMessage::StrokeSet {
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layer,
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stroke: Stroke::new(tool_options.stroke.active_color(), tool_options.line_weight),
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});
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EllipseToolFsmState::Drawing
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}
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(state, EllipseToolMessage::Resize { center, lock_ratio }) => {
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if let Some(message) = shape_data.calculate_transform(responses, document, input, center, lock_ratio, false) {
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responses.add(message);
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}
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state
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}
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(EllipseToolFsmState::Drawing, EllipseToolMessage::DragStop) => {
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input.mouse.finish_transaction(shape_data.viewport_drag_start(document), responses);
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shape_data.cleanup(responses);
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EllipseToolFsmState::Ready
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}
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(EllipseToolFsmState::Drawing, EllipseToolMessage::Abort) => {
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responses.add(DocumentMessage::AbortTransaction);
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shape_data.cleanup(responses);
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EllipseToolFsmState::Ready
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}
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(_, EllipseToolMessage::WorkingColorChanged) => {
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responses.add(EllipseToolMessage::UpdateOptions(EllipseOptionsUpdate::WorkingColors(
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Some(global_tool_data.primary_color),
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Some(global_tool_data.secondary_color),
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)));
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self
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}
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_ => self,
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}
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}
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fn update_hints(&self, responses: &mut VecDeque<Message>) {
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let hint_data = match self {
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EllipseToolFsmState::Ready => HintData(vec![HintGroup(vec![
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HintInfo::mouse(MouseMotion::LmbDrag, "Draw Ellipse"),
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HintInfo::keys([Key::Shift], "Constrain Circular").prepend_plus(),
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HintInfo::keys([Key::Alt], "From Center").prepend_plus(),
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])]),
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EllipseToolFsmState::Drawing => HintData(vec![HintGroup(vec![HintInfo::keys([Key::Shift], "Constrain Circular"), HintInfo::keys([Key::Alt], "From Center")])]),
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};
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responses.add(FrontendMessage::UpdateInputHints { hint_data });
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}
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fn update_cursor(&self, responses: &mut VecDeque<Message>) {
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responses.add(FrontendMessage::UpdateMouseCursor { cursor: MouseCursorIcon::Crosshair });
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}
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}
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