mirror of
https://github.com/juce-framework/JUCE.git
synced 2026-01-15 00:24:19 +00:00
143 lines
5.2 KiB
C++
143 lines
5.2 KiB
C++
/*
|
|
==============================================================================
|
|
|
|
This file is part of the JUCE library.
|
|
Copyright (c) 2017 - ROLI Ltd.
|
|
|
|
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 5 End-User License
|
|
Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
|
|
27th April 2017).
|
|
|
|
End User License Agreement: www.juce.com/juce-5-licence
|
|
Privacy Policy: www.juce.com/juce-5-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
|
|
|
|
|
|
//==============================================================================
|
|
/**
|
|
A drawable object which renders a filled or outlined shape.
|
|
|
|
For details on how to change the fill and stroke, see the DrawableShape class.
|
|
|
|
@see Drawable, DrawableShape
|
|
*/
|
|
class JUCE_API DrawablePath : public DrawableShape
|
|
{
|
|
public:
|
|
//==============================================================================
|
|
/** Creates a DrawablePath. */
|
|
DrawablePath();
|
|
DrawablePath (const DrawablePath&);
|
|
|
|
/** Destructor. */
|
|
~DrawablePath();
|
|
|
|
//==============================================================================
|
|
/** Changes the path that will be drawn.
|
|
@see setFillColour, setStrokeType
|
|
*/
|
|
void setPath (const Path& newPath);
|
|
|
|
/** Sets the path using a RelativePointPath.
|
|
Calling this will set up a Component::Positioner to automatically update the path
|
|
if any of the points in the source path are dynamic.
|
|
*/
|
|
void setPath (const RelativePointPath& newPath);
|
|
|
|
/** Returns the current path. */
|
|
const Path& getPath() const;
|
|
|
|
/** Returns the current path for the outline. */
|
|
const Path& getStrokePath() const;
|
|
|
|
//==============================================================================
|
|
/** @internal */
|
|
Drawable* createCopy() const;
|
|
/** @internal */
|
|
void refreshFromValueTree (const ValueTree& tree, ComponentBuilder& builder);
|
|
/** @internal */
|
|
ValueTree createValueTree (ComponentBuilder::ImageProvider* imageProvider) const;
|
|
/** @internal */
|
|
static const Identifier valueTreeType;
|
|
|
|
//==============================================================================
|
|
/** Internally-used class for wrapping a DrawablePath's state into a ValueTree. */
|
|
class ValueTreeWrapper : public DrawableShape::FillAndStrokeState
|
|
{
|
|
public:
|
|
ValueTreeWrapper (const ValueTree& state);
|
|
|
|
bool usesNonZeroWinding() const;
|
|
void setUsesNonZeroWinding (bool b, UndoManager* undoManager);
|
|
|
|
class Element
|
|
{
|
|
public:
|
|
explicit Element (const ValueTree& state);
|
|
~Element();
|
|
|
|
const Identifier getType() const noexcept { return state.getType(); }
|
|
int getNumControlPoints() const noexcept;
|
|
|
|
RelativePoint getControlPoint (int index) const;
|
|
Value getControlPointValue (int index, UndoManager*);
|
|
RelativePoint getStartPoint() const;
|
|
RelativePoint getEndPoint() const;
|
|
void setControlPoint (int index, const RelativePoint& point, UndoManager*);
|
|
float getLength (Expression::Scope*) const;
|
|
|
|
ValueTreeWrapper getParent() const;
|
|
Element getPreviousElement() const;
|
|
|
|
String getModeOfEndPoint() const;
|
|
void setModeOfEndPoint (const String& newMode, UndoManager*);
|
|
|
|
void convertToLine (UndoManager*);
|
|
void convertToCubic (Expression::Scope*, UndoManager*);
|
|
void convertToPathBreak (UndoManager* undoManager);
|
|
ValueTree insertPoint (Point<float> targetPoint, Expression::Scope*, UndoManager*);
|
|
void removePoint (UndoManager* undoManager);
|
|
float findProportionAlongLine (Point<float> targetPoint, Expression::Scope*) const;
|
|
|
|
static const Identifier mode, startSubPathElement, closeSubPathElement,
|
|
lineToElement, quadraticToElement, cubicToElement;
|
|
static const char* cornerMode;
|
|
static const char* roundedMode;
|
|
static const char* symmetricMode;
|
|
|
|
ValueTree state;
|
|
};
|
|
|
|
ValueTree getPathState();
|
|
|
|
void readFrom (const RelativePointPath& relativePath, UndoManager* undoManager);
|
|
void writeTo (RelativePointPath& relativePath) const;
|
|
|
|
static const Identifier nonZeroWinding, point1, point2, point3;
|
|
};
|
|
|
|
private:
|
|
//==============================================================================
|
|
ScopedPointer<RelativePointPath> relativePath;
|
|
|
|
class RelativePositioner;
|
|
friend class RelativePositioner;
|
|
void applyRelativePath (const RelativePointPath&, Expression::Scope*);
|
|
|
|
DrawablePath& operator= (const DrawablePath&);
|
|
JUCE_LEAK_DETECTOR (DrawablePath)
|
|
};
|