Change filter mode in TextLabel to improve quality while scaling

Change-Id: Ifc2c5a1a592d24851db2b2703d469b8797595a0b

diff --git a/dali-toolkit/internal/controls/text-controls/text-label-impl.cpp b/dali-toolkit/internal/controls/text-controls/text-label-impl.cpp
index 3778d1b..5ca841f 100644 (file)
--- a/dali-toolkit/internal/controls/text-controls/text-label-impl.cpp
+++ b/dali-toolkit/internal/controls/text-controls/text-label-impl.cpp
@@ -958,9 +958,9 @@ void TextLabel::SetUpAutoScrolling()
   TextureSet textureSet = TextureSet::New();
   textureSet.SetTexture( 0u, texture );
 
   TextureSet textureSet = TextureSet::New();
   textureSet.SetTexture( 0u, texture );
 

-  // Filter mode needs to be set to nearest to avoid blurry text.
+  // Filter mode needs to be set to linear to produce better quality while scaling.

   Sampler sampler = Sampler::New();
   Sampler sampler = Sampler::New();

-  sampler.SetFilterMode( FilterMode::NEAREST, FilterMode::NEAREST );
+  sampler.SetFilterMode( FilterMode::LINEAR, FilterMode::LINEAR );

   textureSet.SetSampler( 0u, sampler );
 
   // Set parameters for scrolling
   textureSet.SetSampler( 0u, sampler );
 
   // Set parameters for scrolling

diff --git a/dali-toolkit/internal/visuals/text/text-visual.cpp b/dali-toolkit/internal/visuals/text/text-visual.cpp
index 8870fc0..46cb2a1 100644 (file)
--- a/dali-toolkit/internal/visuals/text/text-visual.cpp
+++ b/dali-toolkit/internal/visuals/text/text-visual.cpp
@@ -587,9 +587,9 @@ void TextVisual::UpdateRenderer()
 
       textureSet.SetTexture( 2u, maskTexture );
 
 
       textureSet.SetTexture( 2u, maskTexture );
 

-      // Filter mode needs to be set to nearest to avoid blurry text.
+      // Filter mode needs to be set to linear to produce better quality while scaling.

       Sampler sampler = Sampler::New();
       Sampler sampler = Sampler::New();

-      sampler.SetFilterMode( FilterMode::NEAREST, FilterMode::NEAREST );
+      sampler.SetFilterMode( FilterMode::LINEAR, FilterMode::LINEAR );

       textureSet.SetSampler( 0u, sampler );
       textureSet.SetSampler( 1u, sampler );
       textureSet.SetSampler( 2u, sampler );
       textureSet.SetSampler( 0u, sampler );
       textureSet.SetSampler( 1u, sampler );
       textureSet.SetSampler( 2u, sampler );