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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2015 - ROLI Ltd.
Permission is granted to use this software under the terms of either:
a) the GPL v2 (or any later version)
b) the Affero GPL v3
Details of these licenses can be found at: www.gnu.org/licenses
JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
------------------------------------------------------------------------------
To release a closed-source product which uses JUCE, commercial licenses are
available: visit www.juce.com for more information.
==============================================================================
*/
#ifndef JUCER_PAINTELEMENTPATH_H_INCLUDED
#define JUCER_PAINTELEMENTPATH_H_INCLUDED
#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();
PaintElementPath* owner;
Path::Iterator::PathElementType type;
RelativePositionedRectangle pos [3];
int getNumPoints() const;
void changePointType (const Path::Iterator::PathElementType newType,
const Rectangle<int>& parentArea,
const bool undoable);
void deleteFromPath();
void getEditableProperties (Array<PropertyComponent*>& props);
private:
PathPoint withChangedPointType (const Path::Iterator::PathElementType newType,
const Rectangle<int>& parentArea) const;
};
//==============================================================================
class PaintElementPath : public ColouredElement
{
public:
PaintElementPath (PaintRoutine* owner);
~PaintElementPath();
//==============================================================================
void setInitialBounds (int parentWidth, int parentHeight);
Rectangle<int> getCurrentBounds (const Rectangle<int>& parentArea) const;
void setCurrentBounds (const Rectangle<int>& b, const Rectangle<int>& parentArea, const bool undoable);
//==============================================================================
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);
void fillInGeneratedCode (GeneratedCode& code, String& paintMethodCode);
//==============================================================================
static const char* getTagName() noexcept { return "PATH"; }
XmlElement* createXml() const;
bool loadFromXml (const XmlElement& xml);
void setToPath (const Path& p);
//==============================================================================
void draw (Graphics& g, const ComponentLayout* layout, const Rectangle<int>& parentArea);
void drawExtraEditorGraphics (Graphics& g, const Rectangle<int>& relativeTo);
void resized();
void parentSizeChanged();
void mouseDown (const MouseEvent& e);
void mouseDrag (const MouseEvent& e);
void mouseUp (const MouseEvent& e);
void createSiblingComponents();
void changed();
private:
friend class PathPoint;
friend class PathPointComponent;
OwnedArray <PathPoint> points;
bool nonZeroWinding;
mutable Path path;
mutable Rectangle<int> lastPathBounds;
int mouseDownOnSegment;
bool mouseDownSelectSegmentStatus;
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;
};
#endif // JUCER_PAINTELEMENTPATH_H_INCLUDED
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