Support stop mode(FINISH_LOOP, IMMEDIATE) of auto scroll

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

diff --git a/dali-toolkit/internal/text/text-scroller.cpp b/dali-toolkit/internal/text/text-scroller.cpp
index 1201619..c80cf7d 100644 (file)
--- a/dali-toolkit/internal/text/text-scroller.cpp
+++ b/dali-toolkit/internal/text/text-scroller.cpp
@@ -19,14 +19,15 @@
 #include <dali-toolkit/internal/text/text-scroller.h>
 
 // EXTERNAL INCLUDES
-#include <dali/devel-api/rendering/geometry.h>
-#include <dali/devel-api/rendering/renderer.h>
-#include <dali/devel-api/rendering/sampler.h>
-#include <dali/devel-api/rendering/shader.h>
-#include <dali/integration-api/debug.h>
 #include <dali/public-api/common/stage.h>
 #include <dali/public-api/images/frame-buffer-image.h>
 #include <dali/public-api/render-tasks/render-task-list.h>
+#include <dali/public-api/rendering/geometry.h>
+#include <dali/public-api/rendering/renderer.h>
+#include <dali/public-api/rendering/sampler.h>
+#include <dali/public-api/rendering/shader.h>
+#include <dali/devel-api/images/texture-set-image.h>
+#include <dali/integration-api/debug.h>
 
 // INTERNAL INCLUDES
 #include <dali-toolkit/internal/text/text-scroller-interface.h>
@@ -50,7 +51,9 @@ const char* VERTEX_SHADER_SCROLL = DALI_COMPOSE_SHADER(
   attribute mediump vec2 aPosition;\n
   varying highp vec2 vTexCoord;\n
   varying highp float vRatio;\n
-  uniform mediump mat4 uMvpMatrix;\n
+  uniform mediump mat4 uModelMatrix;\n
+  uniform mediump mat4 uViewMatrix;\n
+  uniform mediump mat4 uProjection;\n
   uniform mediump vec3 uSize;\n
   uniform mediump float uDelta;\n
   uniform mediump vec2 uTextureSize;
@@ -60,25 +63,29 @@ const char* VERTEX_SHADER_SCROLL = DALI_COMPOSE_SHADER(
   void main()\n
   {\n
     {\n
-      mediump vec4 vertexPosition = vec4(aPosition*uSize.xy, 0.0, 1.0);\n
+      highp vec4 vertexPosition = vec4(aPosition*uSize.xy, 0.0, 1.0);\n
+      vertexPosition = uViewMatrix *  uModelMatrix  * vertexPosition ;\n
+      vertexPosition.x = floor( vertexPosition.x ) + 0.5;
+      vertexPosition.y = floor( vertexPosition.y ) + 0.5;
       float smallTextPadding = max(uSize.x - uTextureSize.x, 0. );\n
       float gap = max( uGap, smallTextPadding );\n
-      vTexCoord.x = ( uDelta + ( uRtl * ( uTextureSize.x - uSize.x ) )  + ( aPosition.x * uSize.x ) )/ ( uTextureSize.x+gap );\n
-      vTexCoord.y = aPosition.y;\n
+      float delta = floor ( uDelta ) + 0.5;
+      vTexCoord.x = ( delta  + ( uRtl * ( uTextureSize.x - uSize.x ) ) + (  aPosition.x * uSize.x ) )/ ( uTextureSize.x + gap );\n
+      vTexCoord.y = ( 0.5 + floor(  aPosition.y * uSize.y ) )/ ( uTextureSize.y ) ;\n
       vRatio = uTextureSize.x / ( uTextureSize.x + gap );\n
-      gl_Position = uMvpMatrix * vertexPosition;\n
+      gl_Position = uProjection * vertexPosition;
     }\n
   }\n
 );
 
 const char* FRAGMENT_SHADER = DALI_COMPOSE_SHADER(
-  varying mediump vec2 vTexCoord;\n
+  varying highp vec2 vTexCoord;\n
   varying highp float vRatio;\n
   uniform sampler2D sTexture;\n
   \n
   void main()\n
   {\n
-    mediump vec2 texCoord;\n
+    highp vec2 texCoord;\n
     texCoord.y = vTexCoord.y;\n
     texCoord.x = fract( vTexCoord.x ) / vRatio;\n
     if ( texCoord.x > 1.0 )\n
@@ -165,13 +172,13 @@ void CreateGeometry( Geometry& geometry )
  */
 void CreateRenderer( FrameBufferImage frameBufferImage, Dali::Renderer& renderer )
 {
-  Shader shader = Shader::New( VERTEX_SHADER_SCROLL , FRAGMENT_SHADER, Shader::HINT_NONE );
+  Shader shader = Shader::New( VERTEX_SHADER_SCROLL , FRAGMENT_SHADER, Shader::Hint::NONE );
 
   Sampler sampler = Sampler::New();
-  sampler.SetFilterMode(FilterMode::NEAREST, FilterMode::NEAREST );
+  sampler.SetFilterMode(FilterMode::LINEAR, FilterMode::LINEAR );
 
   TextureSet textureSet = TextureSet::New();
-  textureSet.SetImage( 0u, frameBufferImage );
+  TextureSetImage( textureSet, 0u, frameBufferImage );
   textureSet.SetSampler( 0u, sampler );
 
   Geometry meshGeometry;
@@ -197,12 +204,12 @@ TextScrollerPtr TextScroller::New( ScrollerInterface& scrollerInterface )
 void TextScroller::SetGap( int gap )
 {
   DALI_LOG_INFO( gLogFilter, Debug::Verbose, "TextScroller::SetGap gap[%d]\n", gap );
-  mWrapGap = gap;
+  mWrapGap = static_cast<float>(gap);
 }
 
 int TextScroller::GetGap() const
 {
-  return mWrapGap;
+  return static_cast<int>(mWrapGap);
 }
 
 void TextScroller::SetSpeed( int scrollSpeed )
@@ -227,7 +234,23 @@ void TextScroller::SetLoopCount( int loopCount )
     if ( loopCount == 0 ) // Request to stop looping
     {
       DALI_LOG_INFO( gLogFilter, Debug::Verbose, "TextScroller::SetLoopCount Single loop forced\n" );
-      mScrollAnimation.SetLoopCount( 1 ); // As animation already playing this allows the current animation to finish instead of trying to stop mid-way
+      switch( mStopMode )
+      {
+        case DevelTextLabel::AutoScrollStopMode::IMMEDIATE:
+        {
+          mScrollAnimation.Stop();
+          break;
+        }
+        case DevelTextLabel::AutoScrollStopMode::FINISH_LOOP:
+        {
+          mScrollAnimation.SetLoopCount( 1 ); // As animation already playing this allows the current animation to finish instead of trying to stop mid-way
+          break;
+        }
+        default:
+        {
+           DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Undifined AutoScrollStopMode\n" );
+        }
+      }
     }
   }
   DALI_LOG_INFO( gLogFilter, Debug::Verbose, "TextScroller::SetLoopCount [%d] Status[%s]\n", mLoopCount, (loopCount)?"looping":"stop" );
@@ -238,6 +261,27 @@ int TextScroller::GetLoopCount() const
   return mLoopCount;
 }
 
+void TextScroller::SetLoopDelay( float delay )
+{
+  mLoopDelay = delay;
+}
+
+float TextScroller::GetLoopDelay() const
+{
+  return mLoopDelay;
+}
+
+void TextScroller::SetStopMode( DevelTextLabel::AutoScrollStopMode::Type stopMode )
+{
+  DALI_LOG_INFO( gLogFilter, Debug::Verbose, "TextScroller::SetAutoScrollStopMode [%s]\n",(stopMode == DevelTextLabel::AutoScrollStopMode::IMMEDIATE)?"IMMEDIATE":"FINISH_LOOP" );
+  mStopMode = stopMode;
+}
+
+DevelTextLabel::AutoScrollStopMode::Type TextScroller::GetStopMode() const
+{
+  return mStopMode;
+}
+
 Actor TextScroller::GetSourceCamera() const
 {
   return mOffscreenCameraActor;
@@ -252,7 +296,9 @@ TextScroller::TextScroller( ScrollerInterface& scrollerInterface ) : mScrollerIn
                             mScrollDeltaIndex( Property::INVALID_INDEX ),
                             mScrollSpeed( MINIMUM_SCROLL_SPEED ),
                             mLoopCount( 1 ),
-                            mWrapGap( 0 )
+                            mLoopDelay( 0.0f ),
+                            mWrapGap( 0.0f ),
+                            mStopMode( DevelTextLabel::AutoScrollStopMode::FINISH_LOOP )
 {
   DALI_LOG_INFO( gLogFilter, Debug::Verbose, "TextScroller Default Constructor\n" );
 }
@@ -267,7 +313,14 @@ void TextScroller::SetParameters( Actor sourceActor, const Size& controlSize, co
   DALI_LOG_INFO( gLogFilter, Debug::Verbose, "TextScroller::SetParameters controlSize[%f,%f] offscreenSize[%f,%f] direction[%d] alignmentOffset[%f]\n",
                  controlSize.x, controlSize.y, offScreenSize.x, offScreenSize.y, direction, alignmentOffset );
 
-  FrameBufferImage offscreenRenderTargetForText = FrameBufferImage::New( offScreenSize.width, offScreenSize.height, Pixel::RGBA8888, Dali::Image::UNUSED );
+  CleanUp(); //  If already scrolling then restart with new parameters
+
+  if ( mScrollAnimation )
+  {
+    mScrollAnimation.Clear();
+  }
+
+  FrameBufferImage offscreenRenderTargetForText = FrameBufferImage::New( offScreenSize.width, offScreenSize.height, Pixel::RGBA8888 );
   Renderer renderer;
 
   CreateCameraActor( offScreenSize, mOffscreenCameraActor );
@@ -286,7 +339,7 @@ void TextScroller::SetParameters( Actor sourceActor, const Size& controlSize, co
 
   mOffscreenCameraActor.SetY( offScreenSize.height * 0.5f );
 
-  DALI_LOG_INFO( gLogFilter, Debug::Verbose, "TextScroller::SetParameters mWrapGap[%d]\n", mWrapGap )
+  DALI_LOG_INFO( gLogFilter, Debug::Verbose, "TextScroller::SetParameters mWrapGap[%f]\n", mWrapGap )
 
   mScrollingTextActor = Actor::New();
   mScrollingTextActor.AddRenderer( renderer );
@@ -319,7 +372,7 @@ void TextScroller::StartScrolling( float scrollAmount, float scrollDuration, int
   DALI_LOG_INFO( gLogFilter, Debug::Verbose, "TextScroller::StartScrolling scrollAmount[%f] scrollDuration[%f], loop[%d] speed[%d]\n", scrollAmount, scrollDuration, loopCount, mScrollSpeed );
 
   mScrollAnimation = Animation::New( scrollDuration );
-  mScrollAnimation.AnimateTo( Property( mScrollingTextActor, mScrollDeltaIndex ), scrollAmount );
+  mScrollAnimation.AnimateTo( Property( mScrollingTextActor, mScrollDeltaIndex ), scrollAmount, TimePeriod( mLoopDelay, scrollDuration ) );
   mScrollAnimation.SetEndAction( Animation::Discard );
   mScrollAnimation.SetLoopCount( loopCount );
   mScrollAnimation.FinishedSignal().Connect( this, &TextScroller::AutoScrollAnimationFinished );