Scaling feature for fixed-size fonts

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / text / text-controller.cpp

diff --git a/dali-toolkit/internal/text/text-controller.cpp b/dali-toolkit/internal/text/text-controller.cpp
index e3b29bd..86f0090 100644 (file)
--- a/dali-toolkit/internal/text/text-controller.cpp
+++ b/dali-toolkit/internal/text/text-controller.cpp
@@ -38,6 +38,7 @@ namespace
 #endif
 
 const float MAX_FLOAT = std::numeric_limits<float>::max();
+const unsigned int POINTS_PER_INCH = 72;
 
 const std::string EMPTY_STRING("");
 
@@ -287,6 +288,15 @@ void Controller::SetDefaultPointSize( float pointSize )
 
   mImpl->mFontDefaults->mDefaultPointSize = pointSize;
 
+  unsigned int horizontalDpi( 0u );
+  unsigned int verticalDpi( 0u );
+  mImpl->mFontClient.GetDpi( horizontalDpi, verticalDpi );
+
+  // Adjust the metrics if the fixed-size font should be down-scaled
+  int maxEmojiSize( pointSize/POINTS_PER_INCH * verticalDpi );
+  DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::SetDefaultPointSize %p setting MaxEmojiSize %d\n", this, maxEmojiSize );
+  mImpl->mMetrics->SetMaxEmojiSize( maxEmojiSize );
+
   // Clear the font-specific data
   ClearFontData();