雷电芽衣andClaude
c864304695
A layered image editor for Linux and Omarchy, ported from Compositor (github.com/robbietilton/Compositor), whose Swift source is its specification. It reads and writes Compositor's .comp projects. Packages for Ubuntu, Fedora and Arch come from the release workflow; scripts/install/ holds one install script per distribution family, and flake.nix serves NixOS. Co-Authored-By: Claude <noreply@anthropic.com>
63 lines
2.5 KiB
C++
63 lines
2.5 KiB
C++
#pragma once
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#include "Document/EditorSession.h"
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#include <QPainter>
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#include <QPalette>
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#include <array>
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#include <optional>
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#include <vector>
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// The Move tool's box on screen: handles and a grip.
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struct TransformOverlayGeometry {
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std::array<QPointF, 8> handles;
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QPointF rotationHandle;
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// A distortion has no single rotation: its grip is hidden.
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bool showsRotation;
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TransformOverlayGeometry(const LayerTransform &transform, const CanvasViewport &viewport, QSizeF documentSize);
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// A distortion: its corners and the middles of its edges.
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TransformOverlayGeometry(const Corners &corners, const CanvasViewport &viewport, QSizeF documentSize);
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// What a press takes hold of, within ten points.
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std::optional<TransformDrag::Mode> hit(QPointF point) const;
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// The resize cursor along the handle's edge, turned with it.
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Qt::CursorShape resizeCursor(int index) const;
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friend bool operator==(const TransformOverlayGeometry &, const TransformOverlayGeometry &) = default;
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};
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// Drawn by the canvas over its pixels: Swift's overlay view.
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class TransformOverlay {
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public:
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explicit TransformOverlay(const EditorSession &session) : m_session(session) {}
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// The marching ants' dash offset, stepped by the canvas.
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double antsPhase = 0;
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std::optional<TransformOverlayGeometry> geometry() const;
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// Swift's gradientLine: the pending gradient's ends in view points.
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std::optional<std::pair<QPointF, QPointF>> gradientLine() const;
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// Where it draws, so the canvas repaints only that.
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QRect drawnRect(const QRect &canvas) const;
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// Where the ants draw: a tick repaints that alone.
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QRect selectionRect(const QRect &canvas) const;
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// Swift's crop frame in view points; none off the tool.
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std::optional<QRectF> cropViewRect() const;
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// A grip and the view points it takes, corners first.
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struct CropRegion {
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int index;
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QRectF rect;
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};
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std::vector<CropRegion> cropResizeRegions() const;
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void draw(QPainter &context, const QPalette &palette) const;
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private:
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QTransform documentToView() const;
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void drawTransformHandles(QPainter &context, const QPalette &palette) const;
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void drawGradientLine(QPainter &context, QPointF start, QPointF end) const;
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void drawCrop(QPainter &context) const;
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void drawSelection(QPainter &context) const;
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void drawLassoDraft(QPainter &context) const;
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void drawSnapGuides(QPainter &context, const QPalette &palette) const;
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const EditorSession &m_session;
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};
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