implemented mechanism for drawable resources caching. this will allow us to use display lists in future for fast rendering of GUI elements in the main loop.

1 files changed, 91 insertions, 0 deletions

diff --git a/gui/text_view.cpp b/gui/text_view.cpp
new file mode 100644
index 0000000000..17f960b9f5
--- /dev/null
+++ b/gui/text_view.cpp
@@ -0,0 +1,91 @@
+#include "text_view.hpp"
+#include "controller.hpp"
+
+namespace gui
+{
+  TextView::TextView(Params const & p)
+    : Element(p)
+  {
+    setText(p.m_text);
+
+    setFont(EActive, yg::FontDesc(12, yg::Color(0, 0, 0, 255)));
+    setFont(EPressed, yg::FontDesc(12, yg::Color(0, 0, 0, 255)));
+
+    setColor(EActive, yg::Color(yg::Color(192, 192, 192, 255)));
+    setColor(EPressed, yg::Color(yg::Color(64, 64, 64, 255)));
+  }
+
+  void TextView::setText(string const & text)
+  {
+    m_text = text;
+    setIsDirtyDrawing(true);
+  }
+
+  string const & TextView::text() const
+  {
+    return m_text;
+  }
+
+  void TextView::cache()
+  {
+    yg::StraightTextElement::Params params;
+    params.m_depth = depth();
+    params.m_fontDesc = font(state());
+    params.m_fontDesc.m_size *= visualScale();
+    params.m_log2vis = true;
+    params.m_pivot = pivot();
+    params.m_position = position();
+    params.m_glyphCache = m_controller->GetGlyphCache();
+    params.m_logText = strings::MakeUniString(m_text);
+    params.m_doSplit = true;
+    params.m_delimiters = "\n";
+    params.m_useAllParts = true;
+
+    m_elem.reset(new yg::StraightTextElement(params));
+  }
+
+  yg::OverlayElement * TextView::clone(math::Matrix<double, 3, 3> const & m) const
+  {
+    return new TextView(*this);
+  }
+
+  void TextView::draw(yg::gl::OverlayRenderer *r, const math::Matrix<double, 3, 3> &m)
+  {
+    checkDirtyDrawing();
+    m_elem->draw(r, m);
+  }
+
+  vector<m2::AnyRectD> const & TextView::boundRects() const
+  {
+    if (isDirtyRect())
+    {
+      setIsDirtyDrawing(true);
+      checkDirtyDrawing();
+      m_boundRects.clear();
+      m_boundRects.push_back(m2::AnyRectD(m_elem->roughBoundRect()));
+      setIsDirtyRect(false);
+    }
+
+    return m_boundRects;
+  }
+
+  bool TextView::onTapStarted(m2::PointD const & pt)
+  {
+    return false;
+  }
+
+  bool TextView::onTapMoved(m2::PointD const & pt)
+  {
+    return false;
+  }
+
+  bool TextView::onTapEnded(m2::PointD const & pt)
+  {
+    return false;
+  }
+
+  bool TextView::onTapCancelled(m2::PointD const & pt)
+  {
+    return false;
+  }
+}