Initial import from qtquick2.

Branched from the monolithic repo, Qt qtquick2 branch, at commit
a4a585d2ee907746682846ae6e8a48e19deef469

2 files changed, 21 insertions, 8 deletions

diff --git a/src/opengl/gl2paintengineex/qtriangulator.cpp b/src/opengl/gl2paintengineex/qtriangulator.cpp
index 94024f3d74..a5faa36b4a 100644
--- a/src/opengl/gl2paintengineex/qtriangulator.cpp
+++ b/src/opengl/gl2paintengineex/qtriangulator.cpp
@@ -1564,6 +1564,19 @@ QVertexSet<T> QTriangulator<T>::triangulate()
 template <typename T>
 QVertexSet<T> QTriangulator<T>::polyline()
 {
+    for (int i = 0; i < m_vertices.size(); ++i) {
+        Q_ASSERT(qAbs(m_vertices.at(i).x) < (1 << 21));
+        Q_ASSERT(qAbs(m_vertices.at(i).y) < (1 << 21));
+    }
+
+    if (!(m_hint & (QVectorPath::OddEvenFill | QVectorPath::WindingFill)))
+        m_hint |= QVectorPath::OddEvenFill;
+
+    if (m_hint & QVectorPath::NonConvexShapeMask) {
+        ComplexToSimple c2s(this);
+        c2s.decompose();
+    }
+
     QVertexSet<T> result;
     result.indices = m_indices;
     result.vertices.resize(2 * m_vertices.size());
@@ -3084,7 +3097,7 @@ QPolylineSet qPolyline(const QVectorPath &path,
     } else {
         QTriangulator<quint16> triangulator;
         triangulator.initialize(path, matrix, lod);
-        QVertexSet<quint16> vertexSet = triangulator.triangulate();
+        QVertexSet<quint16> vertexSet = triangulator.polyline();
         polyLineSet.vertices = vertexSet.vertices;
         polyLineSet.indices.setDataUshort(vertexSet.indices);
     }
@@ -3104,7 +3117,7 @@ QPolylineSet qPolyline(const QPainterPath &path,
     } else {
         QTriangulator<quint16> triangulator;
         triangulator.initialize(path, matrix, lod);
-        QVertexSet<quint16> vertexSet = triangulator.triangulate();
+        QVertexSet<quint16> vertexSet = triangulator.polyline();
         polyLineSet.vertices = vertexSet.vertices;
         polyLineSet.indices.setDataUshort(vertexSet.indices);
     }
diff --git a/src/opengl/gl2paintengineex/qtriangulator_p.h b/src/opengl/gl2paintengineex/qtriangulator_p.h
index a205b923e9..081738addf 100644
--- a/src/opengl/gl2paintengineex/qtriangulator_p.h
+++ b/src/opengl/gl2paintengineex/qtriangulator_p.h
@@ -58,7 +58,7 @@
 
 QT_BEGIN_NAMESPACE
 
-class QVertexIndexVector
+class Q_OPENGL_EXPORT QVertexIndexVector
 {
 public:
     enum Type {
@@ -111,7 +111,7 @@ private:
     QVector<quint16> indices16;
 };
 
-struct QTriangleSet
+struct Q_OPENGL_EXPORT QTriangleSet
 {
     inline QTriangleSet() { }
     inline QTriangleSet(const QTriangleSet &other) : vertices(other.vertices), indices(other.indices) { }
@@ -122,14 +122,14 @@ struct QTriangleSet
     QVertexIndexVector indices; // [i[0], j[0], k[0], i[1], j[1], k[1], i[2], ...]
 };
 
-struct QPolylineSet
+struct Q_OPENGL_EXPORT QPolylineSet
 {
     inline QPolylineSet() { }
     inline QPolylineSet(const QPolylineSet &other) : vertices(other.vertices), indices(other.indices) { }
     QPolylineSet &operator = (const QPolylineSet &other) {vertices = other.vertices; indices = other.indices; return *this;}
 
     QVector<qreal> vertices; // [x[0], y[0], x[1], y[1], x[2], ...]
-    QVertexIndexVector indices;
+    QVertexIndexVector indices; // End of polyline is marked with -1.
 };
 
 // The vertex coordinates of the returned triangle set will be rounded to a grid with a mesh size
@@ -139,9 +139,9 @@ struct QPolylineSet
 // 'lod' is the level of detail. Default is 1. Curves are split into more lines when 'lod' is higher.
 QTriangleSet qTriangulate(const qreal *polygon, int count, uint hint = QVectorPath::PolygonHint | QVectorPath::OddEvenFill, const QTransform &matrix = QTransform());
 QTriangleSet qTriangulate(const QVectorPath &path, const QTransform &matrix = QTransform(), qreal lod = 1);
-QTriangleSet qTriangulate(const QPainterPath &path, const QTransform &matrix = QTransform(), qreal lod = 1);
+QTriangleSet Q_OPENGL_EXPORT qTriangulate(const QPainterPath &path, const QTransform &matrix = QTransform(), qreal lod = 1);
 QPolylineSet qPolyline(const QVectorPath &path, const QTransform &matrix = QTransform(), qreal lod = 1);
-QPolylineSet qPolyline(const QPainterPath &path, const QTransform &matrix = QTransform(), qreal lod = 1);
+QPolylineSet Q_OPENGL_EXPORT qPolyline(const QPainterPath &path, const QTransform &matrix = QTransform(), qreal lod = 1);
 
 QT_END_NAMESPACE