214 lines
8.2 KiB
C++
214 lines
8.2 KiB
C++
#pragma once
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#include "core/domain/Project.h"
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#include <QPixmap>
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#include <QPointF>
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#include <QImage>
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#include <QPainterPath>
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#include <QVector>
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#include <QWidget>
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#include <QElapsedTimer>
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#include <QTimer>
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class QKeyEvent;
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class EditorCanvas final : public QWidget {
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Q_OBJECT
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public:
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enum class Tool { Move, Zoom, CreateEntity };
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Q_ENUM(Tool)
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explicit EditorCanvas(QWidget* parent = nullptr);
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void setBackgroundImagePath(const QString& absolutePath);
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QString backgroundImagePath() const { return m_bgAbsPath; }
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void setBackgroundVisible(bool on);
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bool backgroundVisible() const { return m_backgroundVisible; }
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void setDepthMapPath(const QString& absolutePath);
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void setDepthOverlayEnabled(bool on);
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bool depthOverlayEnabled() const { return m_depthOverlayEnabled; }
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void setTool(Tool tool);
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Tool tool() const { return m_tool; }
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void resetView();
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void zoomToFit();
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void setWorldAxesVisible(bool on);
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bool worldAxesVisible() const { return m_worldAxesVisible; }
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void setAxisLabelsVisible(bool on);
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bool axisLabelsVisible() const { return m_axisLabelsVisible; }
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void setGizmoLabelsVisible(bool on);
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bool gizmoLabelsVisible() const { return m_gizmoLabelsVisible; }
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void setGridVisible(bool on);
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bool gridVisible() const { return m_gridVisible; }
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void setCheckerboardVisible(bool on);
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bool checkerboardVisible() const { return m_checkerboardVisible; }
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// 预览呈现：完整背景 + 全部实体（忽略显隐开关），隐藏编辑辅助元素，仅可平移/缩放查看
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void setPresentationPreviewMode(bool on);
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bool presentationPreviewMode() const { return m_presentationPreviewMode; }
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/// 退出「点击实体放大」状态并平滑回到进入前的视图（预览模式）
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void clearPresentationEntityFocus();
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void setEntities(const QVector<core::Project::Entity>& entities, const QString& projectDirAbs);
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void setCurrentFrame(int frame);
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int currentFrame() const { return m_currentFrame; }
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bool isDraggingEntity() const { return m_draggingEntity; }
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void selectEntityById(const QString& id);
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void clearEntitySelection();
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// 与动画求值一致的原点/缩放（用于 K 帧与自动关键帧）
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QPointF selectedAnimatedOriginWorld() const;
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double selectedDepthScale01() const;
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QPointF selectedEntityCentroidWorld() const;
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double selectedDistanceScaleMultiplier() const;
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double selectedUserScale() const;
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double selectedCombinedScale() const;
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enum class DragMode { None, Free, AxisX, AxisY };
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signals:
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void hoveredWorldPosChanged(const QPointF& worldPos);
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void hoveredWorldPosDepthChanged(const QPointF& worldPos, int depthZ);
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void selectedEntityChanged(bool hasSelection, const QString& id, int depth, const QPointF& originWorld);
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void requestAddEntity(const core::Project::Entity& entity, const QImage& image);
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void requestMoveEntity(const QString& id, const QPointF& delta);
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void entityDragActiveChanged(bool on);
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void selectedEntityPreviewChanged(const QString& id, int depth, const QPointF& originWorld);
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/// 预览模式下点击实体：anchorView 为实体质心在视图中的位置，用于摆放介绍浮层
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void presentationEntityIntroRequested(const QString& entityId, QPointF anchorViewPoint);
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/// 预览模式下应关闭介绍层（空白处轻点、Esc、开始还原缩放时由画布侧触发）
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void presentationInteractionDismissed();
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protected:
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void paintEvent(QPaintEvent* e) override;
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void resizeEvent(QResizeEvent* e) override;
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void mousePressEvent(QMouseEvent* e) override;
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void mouseMoveEvent(QMouseEvent* e) override;
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void mouseReleaseEvent(QMouseEvent* e) override;
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void wheelEvent(QWheelEvent* e) override;
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void keyPressEvent(QKeyEvent* e) override;
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private:
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void ensurePixmapLoaded() const;
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void invalidatePixmap();
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void updateCursor();
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QPointF viewToWorld(const QPointF& v) const;
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QPointF worldToView(const QPointF& w) const;
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QRectF worldRectOfBackground() const;
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void tickPresentationZoomAnimation();
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void tickPresentationHoverAnimation();
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void beginPresentationZoomTowardEntity(int entityIndex);
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void beginPresentationZoomRestore();
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void presentationComputeZoomTarget(int entityIndex, QPointF* outPan, qreal* outScale) const;
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private:
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struct Entity {
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QString id;
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QRectF rect; // world 坐标（用于拖拽与约束）
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QVector<QPointF> polygonWorld; // 非空则使用 polygon
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QPainterPath pathWorld; // polygonWorld 对应的 world 路径（缓存，避免每帧重建）
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QVector<QPointF> cutoutPolygonWorld;
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QColor color;
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// 实体独立信息：
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int depth = 0; // 0..255，来自划分区域平均深度
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QImage image; // 抠图后的实体图像（带透明）
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QPointF imageTopLeft; // image 对应的 world 左上角
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double visualScale = 1.0; // 实体在 world 坐标下的缩放（用于贴图绘制）
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double userScale = 1.0; // 与深度距离缩放相乘
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double distanceScaleCalibMult = 0.0; // 与 Project::Entity 一致；0=未校准
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QPointF animatedOriginWorld;
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double animatedDepthScale01 = 0.5;
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// 编辑模式下实体被设为隐藏时：不响应点选且不绘制，除非当前选中（便于树选隐藏实体）
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bool hiddenInEditMode = false;
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};
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int hitTestEntity(const QPointF& worldPos) const;
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private:
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QString m_bgAbsPath;
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bool m_backgroundVisible = true;
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mutable QPixmap m_bgPixmap;
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mutable bool m_pixmapDirty = true;
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mutable QImage m_bgImage; // 原背景（用于抠图/填充）
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mutable QImage m_bgImageCutout; // 抠图后的背景（实体区域填黑）
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mutable bool m_bgImageDirty = true;
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mutable bool m_bgCutoutDirty = true;
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QString m_depthAbsPath;
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mutable QImage m_depthImage8;
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mutable bool m_depthDirty = true;
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bool m_depthOverlayEnabled = false;
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int m_depthOverlayAlpha = 110;
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bool m_worldAxesVisible = true;
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bool m_axisLabelsVisible = true;
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bool m_gizmoLabelsVisible = true;
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bool m_gridVisible = true;
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bool m_checkerboardVisible = true;
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bool m_presentationPreviewMode = false;
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Tool m_tool = Tool::Move;
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qreal m_scale = 1.0;
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QPointF m_pan; // world 原点对应的 view 坐标偏移（view = world*scale + pan）
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bool m_dragging = false;
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bool m_draggingEntity = false;
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bool m_drawingEntity = false;
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QPointF m_lastMouseView;
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// 拖动以“实体原点 animatedOriginWorld”为基准，避免因缩放导致 rect/topLeft 抖动
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QPointF m_entityDragOffsetOriginWorld;
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QPointF m_entityDragStartAnimatedOrigin;
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// 拖动性能优化：拖动过程中不逐点修改 polygonWorld，而是保留基准形状+增量参数，在 paint 时做变换预览
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bool m_dragPreviewActive = false;
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QVector<QPointF> m_dragPolyBase;
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QPainterPath m_dragPathBase;
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QPointF m_dragImageTopLeftBase;
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QRectF m_dragRectBase;
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QPointF m_dragOriginBase;
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QPointF m_dragDelta; // 纯平移
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QPointF m_dragCentroidBase;
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double m_dragScaleBase = 1.0; // 拖动开始时的 visualScale
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double m_dragScaleRatio = 1.0; // 相对 m_dragScaleBase 的缩放比（由深度重算驱动）
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QElapsedTimer m_previewEmitTimer;
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qint64 m_lastPreviewEmitMs = 0;
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qint64 m_lastDepthScaleRecalcMs = 0;
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int m_selectedEntity = -1;
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DragMode m_dragMode = DragMode::None;
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QPointF m_dragStartMouseWorld;
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QVector<Entity> m_entities;
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QVector<QPointF> m_strokeWorld;
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int m_currentFrame = 0;
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// —— 预览展示：实体悬停动效、点击聚焦缩放 ——
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QTimer* m_presZoomTimer = nullptr;
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QTimer* m_presHoverTimer = nullptr;
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int m_presHoverEntityIndex = -1;
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int m_presFocusedEntityIndex = -1;
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qreal m_presHoverPhase = 0.0;
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QPointF m_presRestorePan;
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qreal m_presRestoreScale = 1.0;
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QPointF m_presZoomFromPan;
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QPointF m_presZoomToPan;
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qreal m_presZoomFromScale = 1.0;
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qreal m_presZoomToScale = 1.0;
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qreal m_presZoomAnimT = 0.0;
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bool m_presZoomFinishingRestore = false;
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bool m_presBgPanSession = false;
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qreal m_presBgDragDist = 0.0;
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};
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