658 lines
22 KiB
Rust
658 lines
22 KiB
Rust
//! UI state as plain data, so the control channel (and later MCP) can read and drive every
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//! aspect of the interface: tools, zoom, panels, dialogs and windows.
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use serde::{Deserialize, Serialize};
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#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, Serialize, Deserialize)]
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pub enum Tool {
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Move,
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RectMarquee,
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EllipseMarquee,
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Lasso,
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PolygonLasso,
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MagicWand,
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Crop,
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Eyedropper,
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Ruler,
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Note,
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Count,
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Brush,
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Eraser,
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Gradient,
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PaintBucket,
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Type,
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Hand,
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Zoom,
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SpotHealing,
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Healing,
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CloneStamp,
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HistoryBrush,
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Blur,
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Sharpen,
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Smudge,
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Dodge,
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Burn,
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Sponge,
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QuickSelection,
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ObjectSelection,
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Pen,
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PathSelection,
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Rectangle,
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EllipseShape,
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Triangle,
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Polygon,
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Line,
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CustomShape,
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Slice,
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SliceSelect,
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}
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impl Tool {
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pub const ALL: [Tool; 40] = [
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Tool::Move,
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Tool::RectMarquee,
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Tool::EllipseMarquee,
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Tool::Lasso,
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Tool::PolygonLasso,
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Tool::MagicWand,
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Tool::Crop,
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Tool::Eyedropper,
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Tool::Ruler,
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Tool::Note,
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Tool::Count,
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Tool::Brush,
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Tool::Eraser,
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Tool::Gradient,
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Tool::PaintBucket,
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Tool::Type,
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Tool::Hand,
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Tool::Zoom,
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Tool::SpotHealing,
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Tool::Healing,
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Tool::CloneStamp,
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Tool::HistoryBrush,
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Tool::Blur,
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Tool::Sharpen,
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Tool::Smudge,
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Tool::Dodge,
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Tool::Burn,
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Tool::Sponge,
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Tool::QuickSelection,
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Tool::ObjectSelection,
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Tool::Pen,
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Tool::PathSelection,
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Tool::Rectangle,
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Tool::EllipseShape,
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Tool::Triangle,
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Tool::Polygon,
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Tool::Line,
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Tool::CustomShape,
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Tool::Slice,
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Tool::SliceSelect,
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];
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pub fn label(self) -> &'static str {
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match self {
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Tool::Move => "Move Tool",
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Tool::RectMarquee => "Rectangular Marquee Tool",
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Tool::EllipseMarquee => "Elliptical Marquee Tool",
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Tool::Brush => "Brush Tool",
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Tool::Eraser => "Eraser Tool",
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Tool::Eyedropper => "Eyedropper Tool",
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Tool::Ruler => "Ruler Tool",
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Tool::Note => "Note Tool",
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Tool::Count => "Count Tool",
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Tool::Lasso => "Lasso Tool",
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Tool::PolygonLasso => "Polygonal Lasso Tool",
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Tool::MagicWand => "Magic Wand Tool",
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Tool::Crop => "Crop Tool",
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Tool::Slice => "Slice Tool",
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Tool::SliceSelect => "Slice Select Tool",
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Tool::Gradient => "Gradient Tool",
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Tool::PaintBucket => "Paint Bucket Tool",
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Tool::Type => "Horizontal Type Tool",
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Tool::Hand => "Hand Tool",
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Tool::Zoom => "Zoom Tool",
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Tool::SpotHealing => "Spot Healing Brush Tool",
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Tool::Healing => "Healing Brush Tool",
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Tool::CloneStamp => "Clone Stamp Tool",
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Tool::HistoryBrush => "History Brush Tool",
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Tool::Blur => "Blur Tool",
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Tool::Sharpen => "Sharpen Tool",
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Tool::Smudge => "Smudge Tool",
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Tool::Dodge => "Dodge Tool",
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Tool::Burn => "Burn Tool",
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Tool::Sponge => "Sponge Tool",
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Tool::QuickSelection => "Quick Selection Tool",
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Tool::ObjectSelection => "Object Selection Tool",
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Tool::Pen => "Pen Tool",
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Tool::PathSelection => "Path Selection Tool",
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Tool::Rectangle => "Rectangle Tool",
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Tool::EllipseShape => "Ellipse Tool",
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Tool::Triangle => "Triangle Tool",
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Tool::Polygon => "Polygon Tool",
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Tool::Line => "Line Tool",
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Tool::CustomShape => "Custom Shape Tool",
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}
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}
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/// Retouching and painting tools that stroke with the brush (share the brush cursor and chip).
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pub fn is_brushlike(self) -> bool {
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matches!(self, Tool::Brush | Tool::Eraser | Tool::SpotHealing | Tool::Healing | Tool::CloneStamp | Tool::HistoryBrush | Tool::Blur | Tool::Sharpen | Tool::Smudge | Tool::Dodge | Tool::Burn | Tool::Sponge)
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}
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/// Photoshop default single-key shortcut (`'\0'` = none, e.g. the Blur group).
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pub fn key(self) -> char {
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match self {
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Tool::Move => 'V',
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Tool::RectMarquee | Tool::EllipseMarquee => 'M',
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Tool::Brush => 'B',
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Tool::Eraser => 'E',
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Tool::Eyedropper | Tool::Ruler | Tool::Note | Tool::Count => 'I',
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Tool::Lasso | Tool::PolygonLasso => 'L',
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Tool::MagicWand => 'W',
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Tool::Crop | Tool::Slice | Tool::SliceSelect => 'C',
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Tool::Gradient | Tool::PaintBucket => 'G',
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Tool::Type => 'T',
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Tool::Hand => 'H',
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Tool::Zoom => 'Z',
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Tool::SpotHealing | Tool::Healing => 'J',
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Tool::CloneStamp => 'S',
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Tool::HistoryBrush => 'Y',
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Tool::Blur | Tool::Sharpen | Tool::Smudge => '\0',
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Tool::Dodge | Tool::Burn | Tool::Sponge => 'O',
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Tool::QuickSelection | Tool::ObjectSelection => 'W',
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Tool::Pen => 'P',
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Tool::PathSelection => 'A',
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Tool::Rectangle | Tool::EllipseShape | Tool::Triangle | Tool::Polygon | Tool::Line | Tool::CustomShape => 'U',
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}
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}
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/// Glyph drawn in the toolbar (vector icons come later).
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pub fn glyph(self) -> &'static str {
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match self {
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Tool::Move => "✥",
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Tool::RectMarquee => "⬚",
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Tool::EllipseMarquee => "◌",
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Tool::Brush => "🖌",
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Tool::Eraser => "⌫",
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Tool::Eyedropper => "💧",
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Tool::Lasso | Tool::PolygonLasso => "L",
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Tool::MagicWand => "W",
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Tool::Crop => "C",
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Tool::Gradient | Tool::PaintBucket => "G",
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Tool::Type => "T",
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Tool::Hand => "✋",
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Tool::Zoom => "🔍",
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_ => "•",
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}
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}
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pub fn from_name(s: &str) -> Option<Tool> {
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let n = s.to_ascii_lowercase().replace([' ', '_', '-'], "");
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Tool::ALL.into_iter().find(|t| {
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let a = format!("{t:?}").to_ascii_lowercase();
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n == a || n == a.replace("marquee", "") || n == t.label().to_ascii_lowercase().replace(' ', "")
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})
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}
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}
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#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
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pub struct Panels {
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pub layers: bool,
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pub history: bool,
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pub properties: bool,
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pub color: bool,
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pub navigator: bool,
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pub toolbar: bool,
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pub options_bar: bool,
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pub status_bar: bool,
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/// Window › Brush Settings (F5): floating, like Photoshop's.
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#[serde(default)]
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pub brush_settings: bool,
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}
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impl Default for Panels {
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fn default() -> Self {
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Self { layers: true, history: false, properties: true, color: true, navigator: false, toolbar: true, options_bar: true, status_bar: true, brush_settings: false }
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}
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}
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/// A modal or modeless dialog, identified by `id`, with editable fields.
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#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
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pub struct Dialog {
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pub id: u64,
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pub kind: DialogKind,
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/// Field values by name. Dialog widgets read and write these; so can automation.
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pub fields: serde_json::Map<String, serde_json::Value>,
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}
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#[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize)]
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pub enum DialogKind {
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NewDocument,
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About,
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/// Parameter dialog for a command (generated from its params).
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Command,
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Error,
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/// Photoshop Layer Style dialog (see `layer_style.rs`).
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LayerStyle,
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}
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/// Per-document view (camera) state.
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#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
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pub struct View {
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/// Screen pixels per document pixel.
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pub zoom: f32,
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/// Document-space point shown at the canvas centre.
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pub center: [f32; 2],
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/// Recompute fit-to-screen on next frame.
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pub fit_pending: bool,
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/// Document size this view last showed; a change (Image/Canvas Size, crop) re-centres it.
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#[serde(default)]
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pub doc_size: [u32; 2],
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}
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impl Default for View {
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fn default() -> Self {
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Self { zoom: 1.0, center: [0.0, 0.0], fit_pending: true, doc_size: [0, 0] }
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}
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}
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/// An extra OS window showing a document ("Window → Arrange → New Window for Document").
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#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
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pub struct DocWindow {
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pub id: u64,
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pub document: usize,
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pub view: View,
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pub open: bool,
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}
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/// Options-bar state for tools (Photoshop keeps these per tool).
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#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
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#[serde(default)]
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pub struct ToolOptions {
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pub tolerance: f32,
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pub contiguous: bool,
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pub anti_alias: bool,
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pub sample_all_layers: bool,
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pub feather: f32,
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/// linear | radial | angle | reflected | diamond
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pub gradient_style: String,
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pub gradient_reverse: bool,
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pub fill_opacity: f32,
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/// Paint Bucket fill source: false = Foreground colour, true = Pattern (Patterns panel selection).
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pub bucket_fill_pattern: bool,
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/// Type tool: family, style name, size (pt), anti-aliasing and paragraph alignment.
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pub type_font: String,
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pub type_style: String,
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pub type_size: f32,
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pub type_aa: String,
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pub type_align: String,
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/// Clone Stamp / Healing Brush.
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pub clone_aligned: bool,
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/// current | currentAndBelow | all
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pub clone_sample: String,
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/// Spot Healing: contentAware | createTexture | proximityMatch
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pub spot_type: String,
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/// Dodge/Burn: shadows | midtones | highlights, exposure %, protect tones.
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pub tone_range: String,
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pub exposure: f32,
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pub protect_tones: bool,
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/// Sponge: desaturate | saturate, vibrance.
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pub sponge_mode: String,
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pub vibrance: bool,
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/// Blur/Sharpen/Smudge strength %, Sharpen protect detail, Smudge finger painting.
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pub strength: f32,
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pub protect_detail: bool,
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pub finger_painting: bool,
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/// Quick Selection enhance edge.
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pub enhance_edge: bool,
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/// Pen: "path" (work path) or "shape" (shape layer).
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pub vector_mode: String,
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/// Shape tools: fill with the foreground colour, stroke width (0 = none), rectangle corner
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/// radius, polygon sides, line weight.
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pub shape_fill: bool,
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pub stroke_width: f32,
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pub corner_radius: f32,
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pub polygon_sides: u32,
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pub line_weight: f32,
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/// Marquee options bar: "normal" | "fixedRatio" | "fixedSize", with the ratio or size.
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#[serde(default = "default_marquee_style")]
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pub marquee_style: String,
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#[serde(default = "one")]
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pub marquee_width: f32,
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#[serde(default = "one")]
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pub marquee_height: f32,
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/// Move tool: Auto-Select (with "layer" or "group" target) and Show Transform Controls.
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#[serde(default)]
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pub move_auto_select: bool,
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#[serde(default = "default_move_target")]
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pub move_target: String,
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#[serde(default)]
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pub move_show_transform: bool,
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/// Crop options bar: aspect ratio ("" = Ratio/unconstrained, "w:h", or "original") and
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/// Delete Cropped Pixels.
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#[serde(default)]
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pub crop_ratio: String,
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#[serde(default = "yes")]
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pub crop_delete: bool,
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}
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fn yes() -> bool {
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true
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}
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fn default_move_target() -> String {
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"layer".into()
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}
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fn default_marquee_style() -> String {
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"normal".into()
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}
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fn one() -> f32 {
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1.0
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}
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impl Default for ToolOptions {
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fn default() -> Self {
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Self {
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tolerance: 32.0,
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contiguous: true,
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anti_alias: true,
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sample_all_layers: false,
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feather: 0.0,
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gradient_style: "linear".into(),
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gradient_reverse: false,
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fill_opacity: 100.0,
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bucket_fill_pattern: false,
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type_font: "Inter".into(),
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type_style: "Regular".into(),
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type_size: 48.0,
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type_aa: "sharp".into(),
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type_align: "left".into(),
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clone_aligned: true,
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clone_sample: "current".into(),
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spot_type: "contentAware".into(),
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tone_range: "midtones".into(),
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exposure: 50.0,
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protect_tones: true,
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sponge_mode: "desaturate".into(),
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vibrance: true,
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strength: 50.0,
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protect_detail: true,
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finger_painting: false,
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enhance_edge: false,
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vector_mode: "path".into(),
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shape_fill: true,
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stroke_width: 0.0,
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corner_radius: 0.0,
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polygon_sides: 5,
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line_weight: 3.0,
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marquee_style: default_marquee_style(),
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marquee_width: 1.0,
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marquee_height: 1.0,
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move_auto_select: false,
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move_target: default_move_target(),
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move_show_transform: false,
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crop_ratio: String::new(),
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crop_delete: true,
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}
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}
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}
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/// Free Transform in progress: the source frame `rect` and where its corners currently are.
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#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
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pub struct TransformSession {
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pub session: u64,
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pub layer: u64,
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pub rect: [f64; 4],
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/// Corners clockwise from top-left (document px).
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pub quad: [[f64; 2]; 4],
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/// Reference point (rotation / ⌥-scale centre).
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pub pivot: [f64; 2],
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pub interpolation: String,
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/// Warp mode (Edit › Transform › Warp): the warp being edited over `rect`, in document px.
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#[serde(default)]
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pub warp: Option<photocraft_geom::warp::Warp>,
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/// Select › Transform Selection: the box transforms the selection outline, not pixels.
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#[serde(default)]
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pub selection: bool,
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}
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/// In-progress inline type editing (Type tool). Offsets are character indices.
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#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
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pub struct TextEdit {
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pub layer: u64,
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pub caret: usize,
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pub anchor: usize,
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/// History coalescing key: the whole editing session is one "Edit Type Layer" step.
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pub session: String,
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/// The layer was created by this session (its name follows the text; empty on commit = delete).
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pub created: bool,
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#[serde(skip)]
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pub dragging: bool,
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}
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/// View-menu overlays.
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#[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize)]
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#[serde(default)]
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pub struct Extras {
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pub rulers: bool,
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pub grid: bool,
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pub guides: bool,
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pub snap: bool,
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pub lock_guides: bool,
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}
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impl Default for Extras {
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fn default() -> Self {
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Self { rulers: false, grid: false, guides: true, snap: true, lock_guides: false }
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}
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}
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/// Selected tab per dock card.
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#[derive(Clone, Copy, Debug, Default, PartialEq, Eq, Serialize, Deserialize)]
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#[serde(default)]
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pub struct DockTabs {
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pub properties: usize,
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pub color: usize,
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pub layers: usize,
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/// Navigator | Histogram | Info.
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pub navigator: usize,
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/// History | Actions.
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pub history: usize,
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}
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#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
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pub struct UiState {
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pub tool: Tool,
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/// Inline type editing session, if any.
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#[serde(default)]
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pub text_edit: Option<TextEdit>,
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/// Free Transform session, if any.
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#[serde(default)]
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pub transform: Option<TransformSession>,
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/// Clone Stamp / Healing source point (⌥-click) and the aligned offset once a stroke started.
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#[serde(default)]
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pub clone_source: Option<[f64; 2]>,
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#[serde(default)]
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pub clone_offset: Option<[f64; 2]>,
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/// Painting targets the active layer's mask instead of its pixels.
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#[serde(default)]
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pub mask_target: bool,
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/// Pen path under construction.
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#[serde(default)]
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pub pen: Option<crate::vector_ui::PenPath>,
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/// Selected row in the Paths panel ("work" or a saved path name).
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#[serde(default)]
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pub selected_path: Option<String>,
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/// Layers panel kind filter ("pixel", "adjustment", "type", "shape", "smart"); empty = all.
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#[serde(default)]
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pub layer_filter: Vec<String>,
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/// Recorded actions (Actions panel).
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#[serde(default)]
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pub actions: crate::actions::Actions,
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/// Layer Comps panel: the selected comp (by comp id).
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#[serde(default)]
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pub layer_comp_selected: Option<u32>,
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/// Preset panels (Gradients, Patterns, Styles, Shapes, Tool Presets, Clone Source).
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#[serde(default)]
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pub presets_ui: crate::preset_panels::PresetUi,
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/// Character/Paragraph Styles, Glyphs and Check Spelling (see `type_panels_ui`).
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#[serde(default)]
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pub type_panels: crate::type_panels_ui::TypePanelsUi,
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/// Ruler/Count/Note tools, Measurement Log and Notes panels (see `analysis_ui`).
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#[serde(default)]
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pub analysis: crate::analysis_ui::AnalysisUi,
|
||
pub timeline: crate::timeline_ui::TimelineUi,
|
||
/// Slice and Slice Select tools (see `slice_ui`).
|
||
#[serde(default)]
|
||
pub slices: crate::slice_ui::SliceUi,
|
||
/// Modifier Keys panel, custom pixel aspect ratios, workspace dialogs (see `workspace_ui`).
|
||
#[serde(default)]
|
||
pub shell: crate::workspace_ui::ShellUi,
|
||
/// View extras: rulers (⌘R), grid (⌘'), guides (⌘;), snapping (⇧⌘;), locked guides (⌥⌘;).
|
||
#[serde(default)]
|
||
pub extras: Extras,
|
||
/// View / Window / Type preferences: screen mode, Extras, Show and Snap To, flip, arrangement.
|
||
#[serde(default)]
|
||
pub view: crate::view_cmds::ViewOptions,
|
||
pub panels: Panels,
|
||
/// Views per open document (index-aligned with the session's documents).
|
||
pub views: Vec<View>,
|
||
pub dialogs: Vec<Dialog>,
|
||
pub windows: Vec<DocWindow>,
|
||
pub theme: crate::theme::ThemeKind,
|
||
pub workspace: String,
|
||
pub palette_open: bool,
|
||
pub dock_tabs: DockTabs,
|
||
/// Brush Settings: selected section (0 = Brush Tip Shape) and tab (0 settings, 1 Brushes).
|
||
#[serde(default)]
|
||
pub brush_section: usize,
|
||
#[serde(default)]
|
||
pub brush_tab: usize,
|
||
/// Marquee options-bar mode: 0 new, 1 add, 2 subtract, 3 intersect (modifier keys override).
|
||
#[serde(default)]
|
||
pub selection_mode: u8,
|
||
#[serde(default)]
|
||
pub tool_options: ToolOptions,
|
||
/// In-progress polygonal lasso vertices (document coordinates).
|
||
#[serde(default)]
|
||
pub polygon: Vec<[f64; 2]>,
|
||
/// Crop tool rectangle being edited [x0, y0, x1, y1] (document coordinates).
|
||
#[serde(default)]
|
||
pub crop_rect: Option<[f64; 4]>,
|
||
pub next_id: u64,
|
||
/// Last status message (errors from commands, hints).
|
||
pub status: String,
|
||
/// The status message is an error (shown in the warning colour).
|
||
#[serde(default)]
|
||
pub status_error: bool,
|
||
/// Status bar info field, Home screen (see `chrome_ui`).
|
||
#[serde(default)]
|
||
pub chrome: crate::chrome_ui::ChromeState,
|
||
}
|
||
|
||
impl Default for UiState {
|
||
fn default() -> Self {
|
||
Self {
|
||
tool: Tool::Brush,
|
||
text_edit: None,
|
||
transform: None,
|
||
mask_target: false,
|
||
clone_source: None,
|
||
clone_offset: None,
|
||
extras: Extras::default(),
|
||
view: Default::default(),
|
||
actions: Default::default(),
|
||
layer_comp_selected: None,
|
||
presets_ui: Default::default(),
|
||
type_panels: Default::default(),
|
||
analysis: Default::default(),
|
||
timeline: Default::default(),
|
||
slices: Default::default(),
|
||
shell: Default::default(),
|
||
layer_filter: Vec::new(),
|
||
pen: None,
|
||
selected_path: None,
|
||
panels: Panels::default(),
|
||
views: Vec::new(),
|
||
dialogs: Vec::new(),
|
||
windows: Vec::new(),
|
||
theme: crate::theme::ThemeKind::ProMedium,
|
||
workspace: "Essentials".into(),
|
||
palette_open: false,
|
||
dock_tabs: DockTabs::default(),
|
||
brush_section: 0,
|
||
brush_tab: 0,
|
||
selection_mode: 0,
|
||
tool_options: ToolOptions::default(),
|
||
polygon: Vec::new(),
|
||
crop_rect: None,
|
||
next_id: 1,
|
||
status: String::new(),
|
||
status_error: false,
|
||
chrome: Default::default(),
|
||
}
|
||
}
|
||
}
|
||
|
||
impl UiState {
|
||
pub fn alloc_id(&mut self) -> u64 {
|
||
let id = self.next_id;
|
||
self.next_id += 1;
|
||
id
|
||
}
|
||
|
||
pub fn open_dialog(&mut self, kind: DialogKind, fields: serde_json::Map<String, serde_json::Value>) -> u64 {
|
||
let id = self.alloc_id();
|
||
self.dialogs.push(Dialog { id, kind, fields });
|
||
id
|
||
}
|
||
|
||
pub fn dialog_mut(&mut self, id: u64) -> Option<&mut Dialog> {
|
||
self.dialogs.iter_mut().find(|d| d.id == id)
|
||
}
|
||
|
||
pub fn close_dialog(&mut self, id: u64) -> Option<Dialog> {
|
||
let i = self.dialogs.iter().position(|d| d.id == id)?;
|
||
Some(self.dialogs.remove(i))
|
||
}
|
||
|
||
pub fn new_document_fields() -> serde_json::Map<String, serde_json::Value> {
|
||
let v = serde_json::json!({"name": "Untitled-1", "width": 1920, "height": 1080, "mode": "rgb", "depth": 8, "background": "white"});
|
||
v.as_object().cloned().unwrap_or_default()
|
||
}
|
||
}
|
||
|
||
#[cfg(test)]
|
||
mod tests {
|
||
use super::*;
|
||
|
||
#[test]
|
||
fn tool_names_parse() {
|
||
assert_eq!(Tool::from_name("brush"), Some(Tool::Brush));
|
||
assert_eq!(Tool::from_name("Rect"), Some(Tool::RectMarquee));
|
||
assert_eq!(Tool::from_name("RectMarquee"), Some(Tool::RectMarquee));
|
||
assert_eq!(Tool::from_name("Eraser Tool"), Some(Tool::Eraser));
|
||
assert_eq!(Tool::from_name("nope"), None);
|
||
}
|
||
|
||
#[test]
|
||
fn dialogs_open_and_close() {
|
||
let mut s = UiState::default();
|
||
let a = s.open_dialog(DialogKind::About, Default::default());
|
||
let b = s.open_dialog(DialogKind::NewDocument, UiState::new_document_fields());
|
||
assert_ne!(a, b);
|
||
assert_eq!(s.dialog_mut(b).unwrap().fields["width"], 1920);
|
||
assert!(s.close_dialog(a).is_some());
|
||
assert_eq!(s.dialogs.len(), 1);
|
||
}
|
||
|
||
#[test]
|
||
fn ui_state_serializes() {
|
||
let s = UiState::default();
|
||
let v = serde_json::to_value(&s).unwrap();
|
||
assert_eq!(v["tool"], "Brush");
|
||
let back: UiState = serde_json::from_value(v).unwrap();
|
||
assert_eq!(back, s);
|
||
}
|
||
}
|