git subrepo clone --branch=sono6good https://github.com/essej/JUCE.git deps/juce
subrepo: subdir: "deps/juce" merged: "b13f9084e" upstream: origin: "https://github.com/essej/JUCE.git" branch: "sono6good" commit: "b13f9084e" git-subrepo: version: "0.4.3" origin: "https://github.com/ingydotnet/git-subrepo.git" commit: "2f68596"
This commit is contained in:
essej
193
deps/juce/modules/juce_gui_basics/positioning/juce_RelativePointPath.h
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193
deps/juce/modules/juce_gui_basics/positioning/juce_RelativePointPath.h
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/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2020 - Raw Material Software Limited
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JUCE is an open source library subject to commercial or open-source
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licensing.
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By using JUCE, you agree to the terms of both the JUCE 6 End-User License
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Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
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End User License Agreement: www.juce.com/juce-6-licence
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Privacy Policy: www.juce.com/juce-privacy-policy
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Or: You may also use this code under the terms of the GPL v3 (see
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www.gnu.org/licenses).
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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//==============================================================================
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/**
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A path object that consists of RelativePoint coordinates rather than the normal fixed ones.
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One of these paths can be converted into a Path object for drawing and manipulation, but
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unlike a Path, its points can be dynamic instead of just fixed.
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@see RelativePoint, RelativeCoordinate
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@tags{GUI}
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*/
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class JUCE_API RelativePointPath
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{
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public:
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//==============================================================================
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RelativePointPath();
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RelativePointPath (const RelativePointPath&);
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explicit RelativePointPath (const Path& path);
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~RelativePointPath();
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bool operator== (const RelativePointPath&) const noexcept;
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bool operator!= (const RelativePointPath&) const noexcept;
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//==============================================================================
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/** Resolves this points in this path and adds them to a normal Path object. */
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void createPath (Path& path, Expression::Scope* scope) const;
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/** Returns true if the path contains any non-fixed points. */
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bool containsAnyDynamicPoints() const;
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/** Quickly swaps the contents of this path with another. */
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void swapWith (RelativePointPath&) noexcept;
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//==============================================================================
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/** The types of element that may be contained in this path.
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@see RelativePointPath::ElementBase
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*/
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enum ElementType
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{
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nullElement,
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startSubPathElement,
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closeSubPathElement,
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lineToElement,
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quadraticToElement,
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cubicToElement
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};
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//==============================================================================
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/** Base class for the elements that make up a RelativePointPath.
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*/
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class JUCE_API ElementBase
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{
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public:
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ElementBase (ElementType type);
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virtual ~ElementBase() = default;
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virtual void addToPath (Path& path, Expression::Scope*) const = 0;
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virtual RelativePoint* getControlPoints (int& numPoints) = 0;
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virtual ElementBase* clone() const = 0;
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bool isDynamic();
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const ElementType type;
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private:
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JUCE_DECLARE_NON_COPYABLE (ElementBase)
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};
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//==============================================================================
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/** Class for the start sub path element */
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class JUCE_API StartSubPath : public ElementBase
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{
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public:
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StartSubPath (const RelativePoint& pos);
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void addToPath (Path& path, Expression::Scope*) const override;
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RelativePoint* getControlPoints (int& numPoints) override;
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ElementBase* clone() const override;
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RelativePoint startPos;
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private:
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JUCE_DECLARE_NON_COPYABLE (StartSubPath)
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};
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//==============================================================================
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/** Class for the close sub path element */
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class JUCE_API CloseSubPath : public ElementBase
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{
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public:
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CloseSubPath();
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void addToPath (Path& path, Expression::Scope*) const override;
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RelativePoint* getControlPoints (int& numPoints) override;
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ElementBase* clone() const override;
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private:
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JUCE_DECLARE_NON_COPYABLE (CloseSubPath)
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};
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//==============================================================================
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/** Class for the line to element */
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class JUCE_API LineTo : public ElementBase
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{
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public:
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LineTo (const RelativePoint& endPoint);
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void addToPath (Path& path, Expression::Scope*) const override;
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RelativePoint* getControlPoints (int& numPoints) override;
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ElementBase* clone() const override;
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RelativePoint endPoint;
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private:
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JUCE_DECLARE_NON_COPYABLE (LineTo)
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};
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//==============================================================================
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/** Class for the quadratic to element */
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class JUCE_API QuadraticTo : public ElementBase
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{
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public:
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QuadraticTo (const RelativePoint& controlPoint, const RelativePoint& endPoint);
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ValueTree createTree() const;
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void addToPath (Path& path, Expression::Scope*) const override;
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RelativePoint* getControlPoints (int& numPoints) override;
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ElementBase* clone() const override;
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RelativePoint controlPoints[2];
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private:
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JUCE_DECLARE_NON_COPYABLE (QuadraticTo)
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};
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//==============================================================================
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/** Class for the cubic to element */
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class JUCE_API CubicTo : public ElementBase
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{
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public:
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CubicTo (const RelativePoint& controlPoint1, const RelativePoint& controlPoint2, const RelativePoint& endPoint);
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ValueTree createTree() const;
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void addToPath (Path& path, Expression::Scope*) const override;
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RelativePoint* getControlPoints (int& numPoints) override;
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ElementBase* clone() const override;
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RelativePoint controlPoints[3];
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private:
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JUCE_DECLARE_NON_COPYABLE (CubicTo)
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};
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//==============================================================================
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void addElement (ElementBase* newElement);
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//==============================================================================
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OwnedArray<ElementBase> elements;
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bool usesNonZeroWinding;
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private:
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class Positioner;
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friend class Positioner;
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bool containsDynamicPoints;
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void applyTo (DrawablePath& path) const;
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RelativePointPath& operator= (const RelativePointPath&);
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JUCE_LEAK_DETECTOR (RelativePointPath)
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};
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} // namespace juce
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