DALi Version 1.2.30

[platform/core/uifw/dali-demo.git] / examples / renderer-stencil / renderer-stencil-example.cpp

diff --git a/examples/renderer-stencil/renderer-stencil-example.cpp b/examples/renderer-stencil/renderer-stencil-example.cpp
index 27385f0..e16cc48 100644 (file)
--- a/examples/renderer-stencil/renderer-stencil-example.cpp
+++ b/examples/renderer-stencil/renderer-stencil-example.cpp
@@ -119,15 +119,29 @@ private:
     // Hide the indicator bar
     application.GetWindow().ShowIndicator( Dali::Window::INVISIBLE );
 
-    // Creates the background image.
+    // Use a gradient visual to render the background gradient.
     Toolkit::Control background = Dali::Toolkit::Control::New();
     background.SetAnchorPoint( Dali::AnchorPoint::CENTER );
     background.SetParentOrigin( Dali::ParentOrigin::CENTER );
     background.SetResizePolicy( Dali::ResizePolicy::FILL_TO_PARENT, Dali::Dimension::ALL_DIMENSIONS );
-    Dali::Property::Map map;
-    map["rendererType"] = "IMAGE";
-    map["url"] = BACKGROUND_IMAGE;
-    background.SetProperty( Dali::Toolkit::Control::Property::BACKGROUND, map );
+
+    // Set up the background gradient.
+    Property::Array stopOffsets;
+    stopOffsets.PushBack( 0.0f );
+    stopOffsets.PushBack( 1.0f );
+    Property::Array stopColors;
+    stopColors.PushBack( Vector4( 0.17f, 0.24f, 0.35f, 1.0f ) ); // Dark, medium saturated blue  ( top   of screen)
+    stopColors.PushBack( Vector4( 0.45f, 0.70f, 0.80f, 1.0f ) ); // Medium bright, pastel blue   (bottom of screen)
+    const float percentageStageHeight = stage.GetSize().height * 0.7f;
+
+    background.SetProperty( Toolkit::Control::Property::BACKGROUND, Dali::Property::Map()
+      .Add( Toolkit::Visual::Property::TYPE, Dali::Toolkit::Visual::GRADIENT )
+      .Add( Toolkit::GradientVisual::Property::STOP_OFFSET, stopOffsets )
+      .Add( Toolkit::GradientVisual::Property::STOP_COLOR, stopColors )
+      .Add( Toolkit::GradientVisual::Property::START_POSITION, Vector2( 0.0f, -percentageStageHeight ) )
+      .Add( Toolkit::GradientVisual::Property::END_POSITION, Vector2( 0.0f, percentageStageHeight ) )
+      .Add( Toolkit::GradientVisual::Property::UNITS, Toolkit::GradientVisual::Units::USER_SPACE ) );
+
     stage.Add( background );
 
     // Create a TextLabel for the application title.
@@ -275,13 +289,10 @@ private:
     renderer.SetTextures( textureSet );
 
     // Setup the renderer properties:
-    // We are writing to the color buffer & culling back faces.
-    renderer.SetProperty( Renderer::Property::WRITE_TO_COLOR_BUFFER, true );
+    // We are writing to the color buffer & culling back faces (no stencil is used for the main cube).
+    renderer.SetProperty( Renderer::Property::RENDER_MODE, RenderMode::COLOR );
     renderer.SetProperty( Renderer::Property::FACE_CULLING_MODE, FaceCullingMode::BACK );
 
-    // No stencil is used for the main cube.
-    renderer.SetProperty( Renderer::Property::STENCIL_MODE, StencilMode::OFF );
-
     // We do need to write to the depth buffer as other objects need to appear underneath this cube.
     renderer.SetProperty( Renderer::Property::DEPTH_WRITE_MODE, DepthWriteMode::ON );
     // We do not need to test the depth buffer as we are culling the back faces.
@@ -316,13 +327,10 @@ private:
     renderer.SetTextures( planeTextureSet );
 
     // Setup the renderer properties:
-    // We are writing to the color buffer & culling back faces (as we are NOT doing depth write).
-    renderer.SetProperty( Renderer::Property::WRITE_TO_COLOR_BUFFER, true );
+    // We are writing to the color buffer & culling back faces as we are NOT doing depth write (no stencil is used for the floor).
+    renderer.SetProperty( Renderer::Property::RENDER_MODE, RenderMode::COLOR );
     renderer.SetProperty( Renderer::Property::FACE_CULLING_MODE, FaceCullingMode::BACK );
 
-    // No stencil is used for the floor.
-    renderer.SetProperty( Renderer::Property::STENCIL_MODE, StencilMode::OFF );
-
     // We do not write to the depth buffer as its not needed.
     renderer.SetProperty( Renderer::Property::DEPTH_WRITE_MODE, DepthWriteMode::OFF );
     // We do need to test the depth buffer as we need the floor to be underneath the cube.
@@ -360,11 +368,9 @@ private:
     Renderer renderer = CreateRenderer( planeGeometry, size, false, Vector4::ONE );
 
     // Setup the renderer properties:
-    // The stencil plane is only for stencilling, so disable writing to color buffer.
-    renderer.SetProperty( Renderer::Property::WRITE_TO_COLOR_BUFFER, false );
+    // The stencil plane is only for stencilling.
+    renderer.SetProperty( Renderer::Property::RENDER_MODE, RenderMode::STENCIL );
 
-    // Enable stencil. Draw to the stencil buffer (only).
-    renderer.SetProperty( Renderer::Property::STENCIL_MODE, StencilMode::ON );
     renderer.SetProperty( Renderer::Property::STENCIL_FUNCTION, StencilFunction::ALWAYS );
     renderer.SetProperty( Renderer::Property::STENCIL_FUNCTION_REFERENCE, 1 );
     renderer.SetProperty( Renderer::Property::STENCIL_FUNCTION_MASK, 0xFF );
@@ -410,8 +416,9 @@ private:
     renderer.SetTextures( textureSet );
 
     // Setup the renderer properties:
-    // Write to color buffer so reflection is visible
-    renderer.SetProperty( Renderer::Property::WRITE_TO_COLOR_BUFFER, true );
+    // Write to color buffer so reflection is visible.
+    // Also enable the stencil buffer, as we will be testing against it to only draw to areas within the stencil.
+    renderer.SetProperty( Renderer::Property::RENDER_MODE, RenderMode::COLOR_STENCIL );
     // We cull to skip drawing the back faces.
     renderer.SetProperty( Renderer::Property::FACE_CULLING_MODE, FaceCullingMode::BACK );
 
@@ -422,7 +429,6 @@ private:
     renderer.SetProperty( Renderer::Property::BLEND_FACTOR_DEST_RGB, BlendFactor::ONE );
 
     // Enable stencil. Here we only draw to areas within the stencil.
-    renderer.SetProperty( Renderer::Property::STENCIL_MODE, StencilMode::ON );
     renderer.SetProperty( Renderer::Property::STENCIL_FUNCTION, StencilFunction::EQUAL );
     renderer.SetProperty( Renderer::Property::STENCIL_FUNCTION_REFERENCE, 1 );
     renderer.SetProperty( Renderer::Property::STENCIL_FUNCTION_MASK, 0xff );