/*
- * Copyright (c) 2016 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2017 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.
*
*/
+// EXTERNAL INCLUDES
#include <dali/dali.h>
+#include <dali/devel-api/images/native-image-interface-extension.h>
+#include <dali/public-api/rendering/renderer.h>
+#include <dali/public-api/rendering/frame-buffer.h>
#include <dali-toolkit/dali-toolkit.h>
+#include <cstring>
+
+// INTERNAL INCLUDES
+#include "shared/utility.h"
using namespace Dali;
using namespace Toolkit;
namespace
{
- const std::string JPG_FILENAME = DEMO_IMAGE_DIR "gallery-medium-4.jpg";
+
+const float BUTTON_HEIGHT = 100.0f;
+const float BUTTON_COUNT = 5.0f;
+
+const std::string JPG_FILENAME = DEMO_IMAGE_DIR "gallery-medium-4.jpg";
+const std::string CAPTURE_FILENAME = "/tmp/native-image-capture.png";
+
+/**
+ * @brief Creates a shader used to render a native image
+ * @param[in] nativeImageInterface The native image interface
+ * @return A shader to render the native image
+ */
+Shader CreateShader( NativeImageInterface& nativeImageInterface )
+{
+ static const char* DEFAULT_SAMPLER_TYPENAME = "sampler2D";
+
+ static const char* VERTEX_SHADER_TEXTURE = DALI_COMPOSE_SHADER(
+ attribute mediump vec2 aPosition;\n
+ attribute mediump vec2 aTexCoord;\n
+ uniform mediump mat4 uMvpMatrix;\n
+ uniform mediump vec3 uSize;\n
+ varying mediump vec2 vTexCoord;\n
+ void main()\n
+ {\n
+ vec4 position = vec4(aPosition,0.0,1.0)*vec4(uSize,1.0);\n
+ gl_Position = uMvpMatrix * position;\n
+ vTexCoord = aTexCoord;\n
+ }\n
+ );
+
+ static const char* FRAGMENT_SHADER_TEXTURE = DALI_COMPOSE_SHADER(
+ uniform lowp vec4 uColor;\n
+ uniform sampler2D sTexture;\n
+ varying mediump vec2 vTexCoord;\n
+
+ void main()\n
+ {\n
+ gl_FragColor = texture2D( sTexture, vTexCoord ) * uColor;\n
+ }\n
+ );
+
+ NativeImageInterface::Extension* extension( nativeImageInterface.GetExtension() );
+ if( extension )
+ {
+ std::string fragmentShader;
+
+ //Get custom fragment shader prefix
+ const char* fragmentPreFix = extension->GetCustomFragmentPreFix();
+ if( fragmentPreFix )
+ {
+ fragmentShader = fragmentPreFix;
+ fragmentShader += FRAGMENT_SHADER_TEXTURE;
+ }
+ else
+ {
+ fragmentShader = FRAGMENT_SHADER_TEXTURE;
+ }
+
+ //Get custom sampler type name
+ const char* customSamplerTypename = extension->GetCustomSamplerTypename();
+ if( customSamplerTypename )
+ {
+ fragmentShader.replace( fragmentShader.find( DEFAULT_SAMPLER_TYPENAME ), strlen(DEFAULT_SAMPLER_TYPENAME), customSamplerTypename );
+ }
+
+ return Shader::New( VERTEX_SHADER_TEXTURE, fragmentShader );
+ }
+ else
+ {
+ return Shader::New( VERTEX_SHADER_TEXTURE, FRAGMENT_SHADER_TEXTURE );
+ }
+}
+
}
// This example shows how to create and use a NativeImageSource as the target of the render task.
public:
NativeImageSourceController( Application& application )
- : mApplication( application )
+ : mApplication( application ),
+ mRefreshAlways( true )
{
// Connect to the Application's Init signal
mApplication.InitSignal().Connect( this, &NativeImageSourceController::Create );
// Get a handle to the stage
Stage stage = Stage::GetCurrent();
stage.SetBackgroundColor( Color::WHITE );
+
+ // Hide the indicator bar
+ application.GetWindow().ShowIndicator( Dali::Window::INVISIBLE );
+
stage.KeyEventSignal().Connect(this, &NativeImageSourceController::OnKeyEvent);
+ CreateButtonArea();
+
+ CreateContentAreas();
+ }
+
+ void CreateButtonArea()
+ {
+ Stage stage = Stage::GetCurrent();
+ Vector2 stageSize = stage.GetSize();
+
+ mButtonArea = Layer::New();
+ mButtonArea.SetSize( stageSize.x, BUTTON_HEIGHT );
+ mButtonArea.SetParentOrigin( ParentOrigin::TOP_CENTER );
+ mButtonArea.SetAnchorPoint( AnchorPoint::TOP_CENTER );
+ stage.Add( mButtonArea );
+
+ mButtonShow = PushButton::New();
+ mButtonShow.SetProperty( Button::Property::TOGGLABLE, true );
+ mButtonShow.SetProperty( Toolkit::Button::Property::LABEL, "SHOW" );
+ mButtonShow.SetParentOrigin( ParentOrigin::TOP_LEFT );
+ mButtonShow.SetAnchorPoint( AnchorPoint::TOP_LEFT );
+ mButtonShow.SetSize( stageSize.x / BUTTON_COUNT, BUTTON_HEIGHT );
+ mButtonShow.ClickedSignal().Connect( this, &NativeImageSourceController::OnButtonSelected );
+ mButtonArea.Add( mButtonShow );
+
mButtonRefreshAlways = PushButton::New();
- mButtonRefreshAlways.SetTogglableButton( true );
- mButtonRefreshAlways.SetSelected( true );
- mButtonRefreshAlways.SetLabelText( "Refresh ALWAYS" );
+ mButtonRefreshAlways.SetProperty( Button::Property::TOGGLABLE, true );
+ mButtonRefreshAlways.SetProperty( Toolkit::Button::Property::LABEL, "ALWAYS" );
mButtonRefreshAlways.SetParentOrigin( ParentOrigin::TOP_LEFT );
mButtonRefreshAlways.SetAnchorPoint( AnchorPoint::TOP_LEFT );
+ mButtonRefreshAlways.SetSize( stageSize.x / BUTTON_COUNT, BUTTON_HEIGHT );
+ mButtonRefreshAlways.SetPosition( (stageSize.x / BUTTON_COUNT)*1.0f, 0.0f );
mButtonRefreshAlways.StateChangedSignal().Connect( this, &NativeImageSourceController::OnButtonSelected );
- stage.Add( mButtonRefreshAlways );
+ mButtonArea.Add( mButtonRefreshAlways );
mButtonRefreshOnce = PushButton::New();
- mButtonRefreshOnce.SetLabelText( "Refresh ONCE" );
- mButtonRefreshOnce.SetParentOrigin( ParentOrigin::TOP_RIGHT );
- mButtonRefreshOnce.SetAnchorPoint( AnchorPoint::TOP_RIGHT );
+ mButtonRefreshOnce.SetProperty( Toolkit::Button::Property::LABEL, "ONCE" );
+ mButtonRefreshOnce.SetParentOrigin( ParentOrigin::TOP_LEFT );
+ mButtonRefreshOnce.SetAnchorPoint( AnchorPoint::TOP_LEFT );
+ mButtonRefreshOnce.SetSize( stageSize.x / BUTTON_COUNT, BUTTON_HEIGHT );
+ mButtonRefreshOnce.SetPosition( (stageSize.x / BUTTON_COUNT)*2.0f, 0.0f );
mButtonRefreshOnce.ClickedSignal().Connect( this, &NativeImageSourceController::OnButtonSelected );
- stage.Add( mButtonRefreshOnce);
-
- CreateScene();
+ mButtonArea.Add( mButtonRefreshOnce );
+
+ mButtonCapture = PushButton::New();
+ mButtonCapture.SetProperty( Toolkit::Button::Property::LABEL, "CAPTURE" );
+ mButtonCapture.SetParentOrigin( ParentOrigin::TOP_LEFT );
+ mButtonCapture.SetAnchorPoint( AnchorPoint::TOP_LEFT );
+ mButtonCapture.SetSize( stageSize.x / BUTTON_COUNT, BUTTON_HEIGHT );
+ mButtonCapture.SetPosition( (stageSize.x / BUTTON_COUNT)*3.0f, 0.0f );
+ mButtonCapture.ClickedSignal().Connect( this, &NativeImageSourceController::OnButtonSelected );
+ mButtonArea.Add( mButtonCapture );
+
+ mButtonReset = PushButton::New();
+ mButtonReset.SetProperty( Toolkit::Button::Property::LABEL, "RESET" );
+ mButtonReset.SetParentOrigin( ParentOrigin::TOP_LEFT );
+ mButtonReset.SetAnchorPoint( AnchorPoint::TOP_LEFT );
+ mButtonReset.SetSize( stageSize.x / BUTTON_COUNT, BUTTON_HEIGHT );
+ mButtonReset.SetPosition( (stageSize.x / BUTTON_COUNT)*4.0f, 0.0f );
+ mButtonReset.ClickedSignal().Connect( this, &NativeImageSourceController::OnButtonSelected );
+ mButtonArea.Add( mButtonReset );
}
- bool CreateScene()
+ void CreateContentAreas()
{
Stage stage = Stage::GetCurrent();
Vector2 stageSize = stage.GetSize();
- float buttonHeight = 100.f;
- mButtonRefreshAlways.SetSize( stageSize.x / 2.f, buttonHeight );
- mButtonRefreshOnce.SetSize( stageSize.x / 2.f, buttonHeight );
+ float contentHeight( (stageSize.y - BUTTON_HEIGHT)/2.0f );
- Vector2 imageSize( stageSize.x, (stageSize.y-buttonHeight)/2.f );
+ mTopContentArea = Actor::New();
+ mTopContentArea.SetSize( stageSize.x, contentHeight );
+ mTopContentArea.SetParentOrigin( ParentOrigin::TOP_CENTER );
+ mTopContentArea.SetAnchorPoint( AnchorPoint::TOP_CENTER );
+ mTopContentArea.SetY( BUTTON_HEIGHT );
+ stage.Add( mTopContentArea );
- // Create the native image source
- NativeImageSourcePtr nativeImageSourcePtr = NativeImageSource::New( imageSize.width, imageSize.height, NativeImageSource::COLOR_DEPTH_DEFAULT );
+ mBottomContentArea = Actor::New();
+ mBottomContentArea.SetSize( stageSize.x, contentHeight );
+ mBottomContentArea.SetParentOrigin( ParentOrigin::BOTTOM_CENTER );
+ mBottomContentArea.SetAnchorPoint( AnchorPoint::BOTTOM_CENTER );
+ stage.Add( mBottomContentArea );
- // Create a image view as source actor to be renderer to the native image source
- Actor sourceActor = ImageView::New(JPG_FILENAME);
- sourceActor.SetParentOrigin( ParentOrigin::CENTER);
- sourceActor.SetAnchorPoint( AnchorPoint::CENTER );
- sourceActor.SetY( - (imageSize.height-buttonHeight)/2.f );
- stage.Add( sourceActor );
+ mSourceActor = ImageView::New(JPG_FILENAME);
+ mSourceActor.SetParentOrigin( ParentOrigin::CENTER);
+ mSourceActor.SetAnchorPoint( AnchorPoint::CENTER );
+ mTopContentArea.Add( mSourceActor );
Animation animation = Animation::New(2.f);
Degree relativeRotationDegrees(90.0f);
Radian relativeRotationRadians(relativeRotationDegrees);
- animation.AnimateTo( Property( sourceActor, Actor::Property::ORIENTATION ), Quaternion( relativeRotationRadians, Vector3::ZAXIS ), AlphaFunction::LINEAR, TimePeriod(0.f, 0.5f));
- animation.AnimateBy( Property( sourceActor, Actor::Property::ORIENTATION ), Quaternion( relativeRotationRadians, Vector3::ZAXIS ), AlphaFunction::LINEAR, TimePeriod(0.5f, 0.5f));
- animation.AnimateBy( Property( sourceActor, Actor::Property::ORIENTATION ), Quaternion( relativeRotationRadians, Vector3::ZAXIS ), AlphaFunction::LINEAR, TimePeriod(1.f, 0.5f));
- animation.AnimateBy( Property( sourceActor, Actor::Property::ORIENTATION ), Quaternion( relativeRotationRadians, Vector3::ZAXIS ), AlphaFunction::LINEAR, TimePeriod(1.5f, 0.5f));
+ animation.AnimateTo( Property( mSourceActor, Actor::Property::ORIENTATION ), Quaternion( relativeRotationRadians, Vector3::ZAXIS ), AlphaFunction::LINEAR, TimePeriod(0.f, 0.5f));
+ animation.AnimateBy( Property( mSourceActor, Actor::Property::ORIENTATION ), Quaternion( relativeRotationRadians, Vector3::ZAXIS ), AlphaFunction::LINEAR, TimePeriod(0.5f, 0.5f));
+ animation.AnimateBy( Property( mSourceActor, Actor::Property::ORIENTATION ), Quaternion( relativeRotationRadians, Vector3::ZAXIS ), AlphaFunction::LINEAR, TimePeriod(1.f, 0.5f));
+ animation.AnimateBy( Property( mSourceActor, Actor::Property::ORIENTATION ), Quaternion( relativeRotationRadians, Vector3::ZAXIS ), AlphaFunction::LINEAR, TimePeriod(1.5f, 0.5f));
animation.SetLooping(true);
animation.Play();
- // create a offscreen renderer task to render content into the native image source
- FrameBufferImage targetBuffer = FrameBufferImage::New( *nativeImageSourcePtr );
-
- CameraActor cameraActor = CameraActor::New(imageSize);
- cameraActor.SetParentOrigin(ParentOrigin::TOP_CENTER);
- cameraActor.SetParentOrigin( AnchorPoint::TOP_CENTER );
- cameraActor.SetY( buttonHeight + imageSize.height/2.f );
- stage.Add(cameraActor);
-
- RenderTaskList taskList = stage.GetRenderTaskList();
- mOffscreenRenderTask = taskList.CreateTask();
- mOffscreenRenderTask.SetSourceActor( sourceActor );
- mOffscreenRenderTask.SetClearColor( Color::WHITE );
- mOffscreenRenderTask.SetClearEnabled(true);
- mOffscreenRenderTask.SetCameraActor(cameraActor);
- mOffscreenRenderTask.GetCameraActor().SetInvertYAxis(true);
- mOffscreenRenderTask.SetTargetFrameBuffer( targetBuffer );
- mOffscreenRenderTask.SetRefreshRate( RenderTask::REFRESH_ALWAYS );
-
- // Display the native image on the screen
- NativeImage nativeImage = NativeImage::New( *nativeImageSourcePtr );
- ImageView nativeImageView = ImageView::New( nativeImage );
- nativeImageView.SetParentOrigin( ParentOrigin::BOTTOM_CENTER );
- nativeImageView.SetAnchorPoint( AnchorPoint::BOTTOM_CENTER );
- stage.Add( nativeImageView );
-
- TextLabel textLabel1 = TextLabel::New( "Resource Image" );
- textLabel1.SetParentOrigin( ParentOrigin::TOP_CENTER );
+ TextLabel textLabel1 = TextLabel::New( "Image" );
+ textLabel1.SetParentOrigin( ParentOrigin::BOTTOM_CENTER );
textLabel1.SetAnchorPoint( AnchorPoint::BOTTOM_CENTER );
- nativeImageView.Add( textLabel1 );
+ mTopContentArea.Add( textLabel1 );
+
+ // Wait until button press before creating mOffscreenRenderTask
TextLabel textLabel2 = TextLabel::New( "Native Image" );
textLabel2.SetParentOrigin( ParentOrigin::BOTTOM_CENTER );
textLabel2.SetAnchorPoint( AnchorPoint::BOTTOM_CENTER );
- nativeImageView.Add( textLabel2 );
+ mBottomContentArea.Add( textLabel2 );
+ }
- return false;
+ void SetupNativeImage()
+ {
+ if( ! mOffscreenRenderTask )
+ {
+ Stage stage = Stage::GetCurrent();
+ Vector2 stageSize = stage.GetSize();
+
+ float contentHeight( (stageSize.y - BUTTON_HEIGHT)/2.0f );
+ Vector2 imageSize( stageSize.x, contentHeight );
+
+ mNativeImageSourcePtr = NativeImageSource::New( imageSize.width, imageSize.height, NativeImageSource::COLOR_DEPTH_DEFAULT );
+ mNativeTexture = Texture::New( *mNativeImageSourcePtr );
+
+ mFrameBuffer = FrameBuffer::New( mNativeTexture.GetWidth(), mNativeTexture.GetHeight(), FrameBuffer::Attachment::NONE );
+ mFrameBuffer.AttachColorTexture( mNativeTexture );
+
+ mCameraActor = CameraActor::New( imageSize );
+ mCameraActor.SetParentOrigin( ParentOrigin::CENTER );
+ mCameraActor.SetParentOrigin( AnchorPoint::CENTER );
+ mTopContentArea.Add( mCameraActor );
+
+ RenderTaskList taskList = stage.GetRenderTaskList();
+ mOffscreenRenderTask = taskList.CreateTask();
+ mOffscreenRenderTask.SetSourceActor( mSourceActor );
+ mOffscreenRenderTask.SetClearColor( Color::WHITE );
+ mOffscreenRenderTask.SetClearEnabled( true );
+ mOffscreenRenderTask.SetCameraActor( mCameraActor );
+ mOffscreenRenderTask.GetCameraActor().SetInvertYAxis( true );
+ mOffscreenRenderTask.SetFrameBuffer( mFrameBuffer );
+ }
+
+ if( mRefreshAlways )
+ {
+ mOffscreenRenderTask.SetRefreshRate( RenderTask::REFRESH_ALWAYS );
+ }
+ else
+ {
+ mOffscreenRenderTask.SetRefreshRate( RenderTask::REFRESH_ONCE );
+ }
}
- bool OnButtonSelected( Toolkit::Button button )
+ void SetupDisplayActor( bool show )
{
- Toolkit::PushButton pushButton = Toolkit::PushButton::DownCast( button );
- if( pushButton == mButtonRefreshAlways )
+ if( show )
{
- if( mButtonRefreshAlways.IsSelected() )
+ if( ! mDisplayActor )
{
- mOffscreenRenderTask.SetRefreshRate( RenderTask::REFRESH_ALWAYS );
- }
- else
- {
- mOffscreenRenderTask.SetRefreshRate( RenderTask::REFRESH_ONCE );
+ // Make sure we have something to display
+ SetupNativeImage();
+
+ mDisplayActor = Actor::New();
+ mDisplayActor.SetParentOrigin( ParentOrigin::CENTER );
+ mDisplayActor.SetAnchorPoint( AnchorPoint::CENTER );
+
+ Geometry geometry = DemoHelper::CreateTexturedQuad();
+
+ Shader shader = CreateShader( *mNativeImageSourcePtr );
+
+ Renderer renderer = Renderer::New( geometry, shader );
+
+ TextureSet textureSet = TextureSet::New();
+ textureSet.SetTexture( 0u, mNativeTexture );
+ renderer.SetTextures( textureSet );
+
+ mDisplayActor.AddRenderer( renderer );
+ mDisplayActor.SetSize( mNativeTexture.GetWidth(), mNativeTexture.GetHeight() );
+
+ mBottomContentArea.Add( mDisplayActor );
}
}
+ else
+ {
+ UnparentAndReset( mDisplayActor );
+ }
+ }
+
+ void Capture()
+ {
+ mRefreshAlways = false;
+ SetupNativeImage();
+
+ mOffscreenRenderTask.FinishedSignal().Connect( this, &NativeImageSourceController::DoCapture );
+ }
+
+ void DoCapture(RenderTask& task)
+ {
+ task.FinishedSignal().Disconnect( this, &NativeImageSourceController::DoCapture );
+
+ mNativeImageSourcePtr->EncodeToFile( CAPTURE_FILENAME );
+ }
+
+ void Reset()
+ {
+ SetupDisplayActor( false );
+
+ Stage stage = Stage::GetCurrent();
+ RenderTaskList taskList = stage.GetRenderTaskList();
+ taskList.RemoveTask( mOffscreenRenderTask );
+ mOffscreenRenderTask.Reset();
+ mCameraActor.Reset();
+
+ mFrameBuffer.Reset();
+ mNativeTexture.Reset();
+ mNativeImageSourcePtr.Reset();
+ }
+
+ bool OnButtonSelected( Toolkit::Button button )
+ {
+ Toolkit::PushButton pushButton = Toolkit::PushButton::DownCast( button );
+
+ if( pushButton == mButtonShow )
+ {
+ bool isSelected = mButtonShow.GetProperty( Toolkit::Button::Property::SELECTED ).Get<bool>();
+
+ SetupDisplayActor( isSelected );
+ }
+ else if( pushButton == mButtonRefreshAlways )
+ {
+ bool isSelected = mButtonRefreshAlways.GetProperty( Toolkit::Button::Property::SELECTED ).Get<bool>();
+
+ mRefreshAlways = isSelected;
+ SetupNativeImage();
+ }
else if( pushButton == mButtonRefreshOnce )
{
- if( mButtonRefreshAlways.IsSelected() )
+ bool isSelected = mButtonRefreshAlways.GetProperty( Toolkit::Button::Property::SELECTED ).Get<bool>();
+
+ if( isSelected )
{
- mButtonRefreshAlways.SetSelected( false );
+ mButtonRefreshAlways.SetProperty( Button::Property::SELECTED, false );
}
- mOffscreenRenderTask.SetRefreshRate( RenderTask::REFRESH_ONCE );
+
+ mRefreshAlways = false;
+ SetupNativeImage();
+ }
+ else if( pushButton == mButtonCapture )
+ {
+ Capture();
+ }
+ else if( pushButton == mButtonReset )
+ {
+ Reset();
}
return true;
}
private:
+
Application& mApplication;
- RenderTask mOffscreenRenderTask;
+
+ Layer mButtonArea;
+ Actor mTopContentArea;
+ Actor mBottomContentArea;
+
+ PushButton mButtonShow;
PushButton mButtonRefreshAlways;
PushButton mButtonRefreshOnce;
+ PushButton mButtonCapture;
+ PushButton mButtonReset;
+
+ Actor mSourceActor;
+
+ NativeImageSourcePtr mNativeImageSourcePtr;
+ Texture mNativeTexture;
+ FrameBuffer mFrameBuffer;
+
+ RenderTask mOffscreenRenderTask;
+ CameraActor mCameraActor;
+
+ Actor mDisplayActor;
+ bool mRefreshAlways;
};
void RunTest( Application& application )