Replace visual opacity with Renderer's opacity

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / visuals / image / image-visual.cpp

diff --git a/dali-toolkit/internal/visuals/image/image-visual.cpp b/dali-toolkit/internal/visuals/image/image-visual.cpp
index 51924f0..bd32b97 100644 (file)
--- a/dali-toolkit/internal/visuals/image/image-visual.cpp
+++ b/dali-toolkit/internal/visuals/image/image-visual.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2018 Samsung Electronics Co., Ltd.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -152,16 +152,11 @@ const char* FRAGMENT_SHADER_NO_ATLAS = DALI_COMPOSE_SHADER(
   uniform sampler2D sTexture;\n
   uniform lowp vec4 uColor;\n
   uniform lowp vec3 mixColor;\n
-  uniform lowp float opacity;\n
   uniform lowp float preMultipliedAlpha;\n
   \n
-  lowp vec4 visualMixColor()\n
-  {\n
-    return vec4( mixColor * mix( 1.0, opacity, preMultipliedAlpha ), opacity );\n
-  }\n
   void main()\n
   {\n
-      gl_FragColor = texture2D( sTexture, vTexCoord ) * uColor * visualMixColor();\n
+      gl_FragColor = texture2D( sTexture, vTexCoord ) * uColor * vec4( mixColor, 1.0 );\n
   }\n
 );
 
@@ -171,18 +166,12 @@ const char* FRAGMENT_SHADER_ATLAS_CLAMP = DALI_COMPOSE_SHADER(
     uniform mediump vec4 uAtlasRect;\n
     uniform lowp vec4 uColor;\n
     uniform lowp vec3 mixColor;\n
-    uniform lowp float opacity;\n
     uniform lowp float preMultipliedAlpha;\n
     \n
-    lowp vec4 visualMixColor()\n
-    {\n
-        return vec4( mixColor * mix( 1.0, opacity, preMultipliedAlpha ), opacity );\n
-    }\n
-    \n
     void main()\n
     {\n
         mediump vec2 texCoord = clamp( mix( uAtlasRect.xy, uAtlasRect.zw, vTexCoord ), uAtlasRect.xy, uAtlasRect.zw );\n
-        gl_FragColor = texture2D( sTexture, texCoord ) * uColor * visualMixColor();\n
+        gl_FragColor = texture2D( sTexture, texCoord ) * uColor * vec4( mixColor, 1.0 );\n
      }\n
 );
 
@@ -194,7 +183,6 @@ const char* FRAGMENT_SHADER_ATLAS_VARIOUS_WRAP = DALI_COMPOSE_SHADER(
     uniform lowp vec2 wrapMode;\n
     uniform lowp vec4 uColor;\n
     uniform lowp vec3 mixColor;\n
-    uniform lowp float opacity;\n
     uniform lowp float preMultipliedAlpha;\n
     \n
     mediump float wrapCoordinate( mediump vec2 range, mediump float coordinate, lowp float wrap )\n
@@ -207,16 +195,11 @@ const char* FRAGMENT_SHADER_ATLAS_VARIOUS_WRAP = DALI_COMPOSE_SHADER(
       return clamp( mix(range.x, range.y, coord), range.x, range.y );
     }\n
     \n
-    lowp vec4 visualMixColor()\n
-    {\n
-      return vec4( mixColor * mix( 1.0, opacity, preMultipliedAlpha ), opacity );\n
-    }\n
-    \n
     void main()\n
     {\n
         mediump vec2 texCoord = vec2( wrapCoordinate( uAtlasRect.xz, vTexCoord.x, wrapMode.x ),
                                       wrapCoordinate( uAtlasRect.yw, vTexCoord.y, wrapMode.y ) );\n
-        gl_FragColor = texture2D( sTexture, texCoord ) * uColor * visualMixColor();\n
+        gl_FragColor = texture2D( sTexture, texCoord ) * uColor * vec4( mixColor, 1.0 );\n
     }\n
 );
 
@@ -269,7 +252,7 @@ ImageVisual::ImageVisual( VisualFactoryCache& factoryCache,
                           ImageDimensions size,
                           FittingMode::Type fittingMode,
                           Dali::SamplingMode::Type samplingMode )
-: Visual::Base( factoryCache ),
+: Visual::Base( factoryCache, Visual::FittingMode::FIT_KEEP_ASPECT_RATIO ),
   mImage(),
   mPixelArea( FULL_TEXTURE_RECT ),
   mPlacementActor(),
@@ -292,7 +275,7 @@ ImageVisual::ImageVisual( VisualFactoryCache& factoryCache,
 }
 
 ImageVisual::ImageVisual( VisualFactoryCache& factoryCache, const Image& image )
-: Visual::Base( factoryCache ),
+: Visual::Base( factoryCache, Visual::FittingMode::FIT_KEEP_ASPECT_RATIO ),
   mImage( image ),
   mPixelArea( FULL_TEXTURE_RECT ),
   mPlacementActor(),
@@ -698,6 +681,11 @@ void ImageVisual::CreateRenderer( TextureSet& textureSet )
 
   //Register transform properties
   mImpl->mTransform.RegisterUniforms( mImpl->mRenderer, Direction::LEFT_TO_RIGHT );
+
+  if( IsPreMultipliedAlphaEnabled() )
+  {
+    EnablePreMultipliedAlpha( true );
+  }
 }
 
 void ImageVisual::CreateNativeImageRenderer( NativeImage& nativeImage )
@@ -754,7 +742,6 @@ void ImageVisual::CreateNativeImageRenderer( NativeImage& nativeImage )
   mImpl->mTransform.RegisterUniforms( mImpl->mRenderer, Direction::LEFT_TO_RIGHT );
 }
 
-
 bool ImageVisual::IsSynchronousResourceLoading() const
 {
   return mImpl->mFlags & Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
@@ -775,12 +762,20 @@ void ImageVisual::LoadTexture( bool& atlasing, Vector4& atlasRect, TextureSet& t
     atlasUploadObserver = this;
   }
 
+  auto preMultiplyOnLoad = mFactoryCache.GetPreMultiplyOnLoad() && !mImpl->mCustomShader
+    ? TextureManager::MultiplyOnLoad::MULTIPLY_ON_LOAD
+    : TextureManager::MultiplyOnLoad::LOAD_WITHOUT_MULTIPLY;
+
   textures = textureManager.LoadTexture( mImageUrl, mDesiredSize, mFittingMode, mSamplingMode,
                                          mMaskingData, IsSynchronousResourceLoading(), mTextureId,
                                          atlasRect, atlasing, mLoading, mWrapModeU,
                                          mWrapModeV, textureObserver, atlasUploadObserver, atlasManager,
-                                         mOrientationCorrection,
-                                         forceReload );
+                                         mOrientationCorrection, forceReload, preMultiplyOnLoad);
+
+  if( textures && preMultiplyOnLoad == TextureManager::MultiplyOnLoad::MULTIPLY_ON_LOAD)
+  {
+    EnablePreMultipliedAlpha( true );
+  }
 
   if( atlasing ) // Flag needs to be set before creating renderer
   {
@@ -1073,7 +1068,7 @@ void ImageVisual::UploadCompleted()
 
 // From Texture Manager
 void ImageVisual::UploadComplete( bool loadingSuccess, int32_t textureId, TextureSet textureSet, bool usingAtlas,
-                                  const Vector4& atlasRectangle )
+                                  const Vector4& atlasRectangle, bool preMultiplied )
 {
   Toolkit::Visual::ResourceStatus resourceStatus;
   Actor actor = mPlacementActor.GetHandle();
@@ -1085,6 +1080,10 @@ void ImageVisual::UploadComplete( bool loadingSuccess, int32_t textureId, Textur
       {
         mImpl->mRenderer.RegisterProperty( ATLAS_RECT_UNIFORM_NAME, mAtlasRect );
       }
+      else if( preMultiplied )
+      {
+        EnablePreMultipliedAlpha( true );
+      }
 
       actor.AddRenderer( mImpl->mRenderer );
       // reset the weak handle so that the renderer only get added to actor once