renamed yg into graphics.

1 files changed, 56 insertions, 0 deletions

diff --git a/graphics/text_path.hpp b/graphics/text_path.hpp
new file mode 100644
index 0000000000..e35c4f4fc9
--- /dev/null
+++ b/graphics/text_path.hpp
@@ -0,0 +1,56 @@
+#pragma once
+
+#include "../geometry/point2d.hpp"
+#include "../geometry/angles.hpp"
+#include "../base/matrix.hpp"
+#include "glyph_cache.hpp"
+
+namespace graphics
+{
+  struct PathPoint
+  {
+    int m_i; //< segment number
+    ang::AngleD m_segAngle;
+    m2::PointD m_pt; //< point on segment
+    PathPoint(int i = -1,
+              ang::AngleD const & segAngle = ang::AngleD(),
+              m2::PointD const & pt = m2::PointD());
+  };
+
+  struct PivotPoint
+  {
+    ang::AngleD m_angle;
+    PathPoint m_pp;
+    PivotPoint(ang::AngleD const & angle = ang::AngleD(), PathPoint const & pp = PathPoint());
+  };
+
+  class TextPath
+  {
+  private:
+
+    buffer_vector<m2::PointD, 8> m_arr;
+    bool m_reverse;
+    double m_fullLength;
+    double m_pathOffset;
+
+    void checkReverse();
+
+  public:
+
+    TextPath();
+    TextPath(TextPath const & src, math::Matrix<double, 3, 3> const & m);
+    TextPath(m2::PointD const * arr, size_t sz, double fullLength, double pathOffset);
+
+    size_t size() const;
+
+    m2::PointD get(size_t i) const;
+    m2::PointD operator[](size_t i) const;
+
+    double fullLength() const;
+    double pathOffset() const;
+
+    PathPoint const offsetPoint(PathPoint const & pp, double offset);
+
+    PivotPoint findPivotPoint(PathPoint const & pp, GlyphMetrics const & sym, double kern);
+  };
+}