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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2020 - Raw Material Software Limited
JUCE is an open source library subject to commercial or open-source
licensing.
By using JUCE, you agree to the terms of both the JUCE 6 End-User License
Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
End User License Agreement: www.juce.com/juce-6-licence
Privacy Policy: www.juce.com/juce-privacy-policy
Or: You may also use this code under the terms of the GPL v3 (see
www.gnu.org/licenses).
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
#pragma once
#include "jucer_ColouredElement.h"
#include "jucer_ElementSiblingComponent.h"
class PathPointComponent;
class PaintElementPath;
//==============================================================================
class PathPoint
{
public:
PathPoint (PaintElementPath* const owner);
PathPoint (const PathPoint& other);
PathPoint& operator= (const PathPoint& other);
~PathPoint();
static constexpr auto maxRects = 3;
PaintElementPath* owner;
Path::Iterator::PathElementType type;
RelativePositionedRectangle pos [maxRects];
int getNumPoints() const;
void changePointType (const Path::Iterator::PathElementType newType,
const Rectangle<int>& parentArea,
const bool undoable);
void deleteFromPath();
void getEditableProperties (Array<PropertyComponent*>& props, bool multipleSelected);
private:
PathPoint withChangedPointType (const Path::Iterator::PathElementType newType,
const Rectangle<int>& parentArea) const;
};
//==============================================================================
class PaintElementPath : public ColouredElement
{
public:
PaintElementPath (PaintRoutine* owner);
~PaintElementPath() override;
//==============================================================================
void setInitialBounds (int parentWidth, int parentHeight) override;
Rectangle<int> getCurrentBounds (const Rectangle<int>& parentArea) const override;
void setCurrentBounds (const Rectangle<int>& b, const Rectangle<int>& parentArea, const bool undoable) override;
//==============================================================================
bool getPoint (int index, int pointNumber, double& x, double& y, const Rectangle<int>& parentArea) const;
void movePoint (int index, int pointNumber, double newX, double newY, const Rectangle<int>& parentArea, const bool undoable);
RelativePositionedRectangle getPoint (int index, int pointNumber) const;
void setPoint (int index, int pointNumber, const RelativePositionedRectangle& newPoint, const bool undoable);
int getNumPoints() const noexcept { return points.size(); }
PathPoint* getPoint (int index) const noexcept { return points [index]; }
int indexOfPoint (PathPoint* const p) const noexcept { return points.indexOf (p); }
PathPoint* addPoint (int pointIndexToAddItAfter, const bool undoable);
void deletePoint (int pointIndex, const bool undoable);
void pointListChanged();
int findSegmentAtXY (int x, int y) const;
//==============================================================================
bool isSubpathClosed (int pointIndex) const;
void setSubpathClosed (int pointIndex, const bool closed, const bool undoable);
bool isNonZeroWinding() const noexcept { return nonZeroWinding; }
void setNonZeroWinding (const bool nonZero, const bool undoable);
//==============================================================================
void getEditableProperties (Array<PropertyComponent*>& props, bool multipleSelected) override;
void fillInGeneratedCode (GeneratedCode& code, String& paintMethodCode) override;
void applyCustomPaintSnippets (StringArray& snippets) override;
//==============================================================================
static const char* getTagName() noexcept { return "PATH"; }
XmlElement* createXml() const override;
bool loadFromXml (const XmlElement& xml) override;
void setToPath (const Path& p);
//==============================================================================
void draw (Graphics& g, const ComponentLayout* layout, const Rectangle<int>& parentArea) override;
void drawExtraEditorGraphics (Graphics& g, const Rectangle<int>& relativeTo) override;
void resized() override;
void parentSizeChanged() override;
void mouseDown (const MouseEvent& e) override;
void mouseDrag (const MouseEvent& e) override;
void mouseUp (const MouseEvent& e) override;
void createSiblingComponents() override;
void changed() override;
private:
friend class PathPoint;
friend class PathPointComponent;
OwnedArray<PathPoint> points;
bool nonZeroWinding;
mutable Path path;
mutable Rectangle<int> lastPathBounds;
int mouseDownOnSegment;
bool mouseDownSelectSegmentStatus;
String customPaintCode;
String pathToString() const;
void restorePathFromString (const String& s);
void updateStoredPath (const ComponentLayout* layout, const Rectangle<int>& parentArea) const;
int getBorderSize() const;
void rescalePoint (RelativePositionedRectangle& pos, int dx, int dy,
double scaleX, double scaleY,
double scaleStartX, double scaleStartY,
const Rectangle<int>& parentArea) const;
};
//==============================================================================
class PathPointComponent : public ElementSiblingComponent
{
public:
PathPointComponent (PaintElementPath* const path_,
const int index, const int pointNumber);
~PathPointComponent();
void updatePosition();
void showPopupMenu();
void paint (Graphics& g);
void mouseDown (const MouseEvent& e);
void mouseDrag (const MouseEvent& e);
void mouseUp (const MouseEvent& e);
void changeListenerCallback (ChangeBroadcaster*);
private:
PaintElementPath* const path;
PaintRoutine* const routine;
const int index;
const int pointNumber;
int dragX, dragY;
bool selected, dragging, mouseDownSelectStatus;
};
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