From: Richard Huang <r.huang@samsung.com>
Date: Fri, 18 Aug 2017 10:28:36 +0000 (+0100)
Subject: Change filter mode in TextLabel to improve quality while scaling
X-Git-Tag: dali_1.2.54~5
X-Git-Url: http://review.tizen.org/git/?p=platform%2Fcore%2Fuifw%2Fdali-toolkit.git;a=commitdiff_plain;h=a827febe27e8131e681c24c255472bbbf097905f;ds=sidebyside

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
--- 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 );
 
-  // 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.SetFilterMode( FilterMode::NEAREST, FilterMode::NEAREST );
+  sampler.SetFilterMode( FilterMode::LINEAR, FilterMode::LINEAR );
   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
--- 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 );
 
-      // 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.SetFilterMode( FilterMode::NEAREST, FilterMode::NEAREST );
+      sampler.SetFilterMode( FilterMode::LINEAR, FilterMode::LINEAR );
       textureSet.SetSampler( 0u, sampler );
       textureSet.SetSampler( 1u, sampler );
       textureSet.SetSampler( 2u, sampler );