- port to minGw

git-svn-id: http://moon:8086/svn/software/trunk/projects/JaySynth@235 b431acfa-c32f-4a4a-93f1-934dc6c82436
2015-02-21 17:09:43 +00:00
parent 843c6e300c
commit cfc9645b0b
1093 changed files with 426078 additions and 143 deletions
@@ -0,0 +1,113 @@
+/*
+  ==============================================================================
+
+   This file is part of the JUCE library.
+   Copyright (c) 2013 - Raw Material Software 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 JUCE_PATHITERATOR_H_INCLUDED
+#define JUCE_PATHITERATOR_H_INCLUDED
+
+
+//==============================================================================
+/**
+    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
+*/
+class JUCE_API  PathFlatteningIterator
+{
+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::identity,
+                            float tolerance = defaultTolerance);
+
+    /** 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;
+
+    /** This is the default value that should be used for the tolerance value (see the constructor parameters). */
+    static const float defaultTolerance;
+
+private:
+    //==============================================================================
+    const Path& path;
+    const AffineTransform transform;
+    float* points;
+    const float toleranceSquared;
+    float subPathCloseX, subPathCloseY;
+    const bool isIdentityTransform;
+
+    HeapBlock <float> stackBase;
+    float* stackPos;
+    size_t index, stackSize;
+
+    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (PathFlatteningIterator)
+};
+
+
+#endif   // JUCE_PATHITERATOR_H_INCLUDED