Add trace log to check text performance

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / text / multi-language-support-impl.cpp

diff --git a/dali-toolkit/internal/text/multi-language-support-impl.cpp b/dali-toolkit/internal/text/multi-language-support-impl.cpp
index f24d427..79de1e1 100644 (file)
--- a/dali-toolkit/internal/text/multi-language-support-impl.cpp
+++ b/dali-toolkit/internal/text/multi-language-support-impl.cpp
@@ -22,6 +22,7 @@
 #include <dali/devel-api/common/singleton-service.h>
 #include <dali/devel-api/text-abstraction/font-client.h>
 #include <dali/integration-api/debug.h>
+#include <dali/integration-api/trace.h>
 
 // INTERNAL INCLUDES
 #include <dali-toolkit/internal/text/emoji-helper.h>
@@ -37,6 +38,8 @@ namespace
 Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, true, "LOG_MULTI_LANGUAGE_SUPPORT");
 #endif
 
+DALI_INIT_TRACE_FILTER(gTraceFilter, DALI_TRACE_FONT_PERFORMANCE_MARKER, false);
+
 const Dali::Toolkit::Text::Character UTF32_A = 0x0041;
 } // namespace
 
@@ -423,6 +426,8 @@ void MultilanguageSupport::ValidateFonts(const Vector<Character>&
     return;
   }
 
+  DALI_TRACE_SCOPE(gTraceFilter, "DALI_TEXT_FONTS_VALIDATE");
+
   // Find the first index where to insert the font run.
   FontRunIndex fontIndex = 0u;
   if(0u != startIndex)
@@ -468,8 +473,10 @@ void MultilanguageSupport::ValidateFonts(const Vector<Character>&
   Vector<ScriptRun>::ConstIterator scriptRunEndIt          = scripts.End();
   bool                             isNewParagraphCharacter = false;
 
-  FontId                  previousEmojiFontId = 0u;
-  TextAbstraction::Script previousScript      = TextAbstraction::UNKNOWN;
+  FontId previousEmojiFontId = 0u;
+  FontId currentFontId       = 0u;
+  FontId previousFontId      = 0u;
+  TextAbstraction::Script previousScript = TextAbstraction::UNKNOWN;
 
   CharacterIndex lastCharacter = startIndex + numberOfCharacters - 1u;
   for(Length index = startIndex; index <= lastCharacter; ++index)
@@ -493,6 +500,7 @@ void MultilanguageSupport::ValidateFonts(const Vector<Character>&
 
     // Get the font for the current character.
     FontId fontId = fontClient.GetFontId(currentFontDescription, currentFontPointSize);
+    currentFontId = fontId;
 
     // Get the script for the current character.
     Script script = GetScript(index,
@@ -554,6 +562,15 @@ void MultilanguageSupport::ValidateFonts(const Vector<Character>&
       }
     }
 
+    if(TextAbstraction::IsSpace(character) &&
+       TextAbstraction::HasLigatureMustBreak(script) &&
+       isValidCachedDefaultFont &&
+       (isDefaultFont || (currentFontId == previousFontId)))
+    {
+      fontId      = cachedDefaultFontId;
+      isValidFont = true;
+    }
+
     // If the given font is not valid, it means either:
     // - there is no cached font for the current script yet or,
     // - the user has set a different font than the default one for the current script or,
@@ -776,6 +793,7 @@ void MultilanguageSupport::ValidateFonts(const Vector<Character>&
     // Whether the current character is a new paragraph character.
     isNewParagraphCharacter = TextAbstraction::IsNewParagraph(character);
     previousScript          = script;
+    previousFontId          = currentFontId;
   } // end traverse characters.
 
   if(0u != currentFontRun.characterRun.numberOfCharacters)