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"

deps/juce/modules/juce_graphics/geometry/juce_PathIterator.h

@@ -0,0 +1,111 @@
+/*
+  ==============================================================================
+
+   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.
+
+  ==============================================================================
+*/
+
+namespace juce
+{
+
+//==============================================================================
+/**
+    Flattens a Path object into a series of straight-line sections.
+
+    Use one of these to iterate through a Path object, and it will convert
+    all the curves into line sections so it's easy to render or perform
+    geometric operations on.
+
+    @see Path
+
+    @tags{Graphics}
+*/
+class JUCE_API  PathFlatteningIterator  final
+{
+public:
+    //==============================================================================
+    /** Creates a PathFlatteningIterator.
+
+        After creation, use the next() method to initialise the fields in the
+        object with the first line's position.
+
+        @param path         the path to iterate along
+        @param transform    a transform to apply to each point in the path being iterated
+        @param tolerance    the amount by which the curves are allowed to deviate from the lines
+                            into which they are being broken down - a higher tolerance contains
+                            less lines, so can be generated faster, but will be less smooth.
+    */
+    PathFlatteningIterator (const Path& path,
+                            const AffineTransform& transform = AffineTransform(),
+                            float tolerance = Path::defaultToleranceForMeasurement);
+
+    /** Destructor. */
+    ~PathFlatteningIterator();
+
+    //==============================================================================
+    /** Fetches the next line segment from the path.
+
+        This will update the member variables x1, y1, x2, y2, subPathIndex and closesSubPath
+        so that they describe the new line segment.
+
+        @returns false when there are no more lines to fetch.
+    */
+    bool next();
+
+    float x1;  /**< The x position of the start of the current line segment. */
+    float y1;  /**< The y position of the start of the current line segment. */
+    float x2;  /**< The x position of the end of the current line segment. */
+    float y2;  /**< The y position of the end of the current line segment. */
+
+    /** Indicates whether the current line segment is closing a sub-path.
+
+        If the current line is the one that connects the end of a sub-path
+        back to the start again, this will be true.
+    */
+    bool closesSubPath;
+
+    /** The index of the current line within the current sub-path.
+
+        E.g. you can use this to see whether the line is the first one in the
+        subpath by seeing if it's 0.
+    */
+    int subPathIndex;
+
+    /** Returns true if the current segment is the last in the current sub-path. */
+    bool isLastInSubpath() const noexcept;
+
+private:
+    //==============================================================================
+    const Path& path;
+    const AffineTransform transform;
+    const float* source;
+    const float toleranceSquared;
+    float subPathCloseX = 0, subPathCloseY = 0;
+    const bool isIdentityTransform;
+
+    HeapBlock<float> stackBase { 32 };
+    float* stackPos;
+    size_t stackSize = 32;
+
+    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (PathFlatteningIterator)
+};
+
+} // namespace juce