-//
-// Copyright (c) 2014 Samsung Electronics Co., Ltd.
-//
-// Licensed under the Flora License, Version 1.0 (the License);
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://floralicense.org/license/
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an AS IS BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
+/*
+ * Copyright (c) 2014 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.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
// CLASS HEADER
#include "gaussian-blur-view-impl.h"
// EXTERNAL INCLUDES
#include <sstream>
#include <iomanip>
+#include <dali/public-api/animation/constraint.h>
+#include <dali/public-api/animation/constraints.h>
+#include <dali/public-api/common/stage.h>
+#include <dali/public-api/object/type-registry.h>
+#include <dali/public-api/object/type-registry-helper.h>
+#include <dali/public-api/render-tasks/render-task-list.h>
+#include <dali/integration-api/debug.h>
// INTERNAL INCLUDES
#include <dali-toolkit/public-api/controls/gaussian-blur-view/gaussian-blur-view.h>
-#include <dali/integration-api/debug.h>
-
// TODO:
// pixel format / size - set from JSON
// aspect ratio property needs to be able to be constrained also for cameras, not possible currently. Therefore changing aspect ratio of GaussianBlurView won't currently work
// Manager object - re-use render targets if there are multiple GaussianBlurViews created
-
/////////////////////////////////////////////////////////
// IMPLEMENTATION NOTES
return Toolkit::GaussianBlurView::New();
}
-TypeRegistration mType( typeid(Toolkit::GaussianBlurView), typeid(Toolkit::Control), Create );
-
+DALI_TYPE_REGISTRATION_BEGIN( Toolkit::GaussianBlurView, Toolkit::Control, Create )
+DALI_TYPE_REGISTRATION_END()
const unsigned int GAUSSIAN_BLUR_VIEW_DEFAULT_NUM_SAMPLES = 5;
const float GAUSSIAN_BLUR_VIEW_DEFAULT_BLUR_BELL_CURVE_WIDTH = 1.5f;
const Pixel::Format GAUSSIAN_BLUR_VIEW_DEFAULT_RENDER_TARGET_PIXEL_FORMAT = Pixel::RGBA8888;
const float GAUSSIAN_BLUR_VIEW_DEFAULT_BLUR_STRENGTH = 1.0f; // default, fully blurred
-const std::string GAUSSIAN_BLUR_VIEW_STRENGTH_PROPERTY_NAME("GaussianBlurStrengthPropertyName");
+const char* const GAUSSIAN_BLUR_VIEW_STRENGTH_PROPERTY_NAME = "GaussianBlurStrengthPropertyName";
const float GAUSSIAN_BLUR_VIEW_DEFAULT_DOWNSAMPLE_WIDTH_SCALE = 0.5f;
const float GAUSSIAN_BLUR_VIEW_DEFAULT_DOWNSAMPLE_HEIGHT_SCALE = 0.5f;
const float ARBITRARY_FIELD_OF_VIEW = Math::PI / 4.0f;
const char* const GAUSSIAN_BLUR_FRAGMENT_SOURCE =
- "uniform vec2 uSampleOffsets[NUM_SAMPLES];\n"
- "uniform float uSampleWeights[NUM_SAMPLES];\n"
+ "uniform mediump vec2 uSampleOffsets[NUM_SAMPLES];\n"
+ "uniform mediump float uSampleWeights[NUM_SAMPLES];\n"
"void main()\n"
"{\n"
GaussianBlurView::GaussianBlurView()
- : ControlImpl( false ) // doesn't require touch events
+ : Control( CONTROL_BEHAVIOUR_NONE )
, mNumSamples(GAUSSIAN_BLUR_VIEW_DEFAULT_NUM_SAMPLES)
-
+ , mBlurBellCurveWidth( 0.001f )
, mPixelFormat(GAUSSIAN_BLUR_VIEW_DEFAULT_RENDER_TARGET_PIXEL_FORMAT)
, mDownsampleWidthScale(GAUSSIAN_BLUR_VIEW_DEFAULT_DOWNSAMPLE_WIDTH_SCALE)
, mDownsampleHeightScale(GAUSSIAN_BLUR_VIEW_DEFAULT_DOWNSAMPLE_HEIGHT_SCALE)
, mDownsampledWidth( 0.0f )
, mDownsampledHeight( 0.0f )
, mBlurUserImage( false )
+ , mRenderOnce( false )
, mBackgroundColor( Color::BLACK )
, mTargetSize(Vector2::ZERO)
, mLastSize(Vector2::ZERO)
GaussianBlurView::GaussianBlurView( const unsigned int numSamples, const float blurBellCurveWidth, const Pixel::Format renderTargetPixelFormat,
const float downsampleWidthScale, const float downsampleHeightScale,
bool blurUserImage)
- : ControlImpl( false ) // doesn't require touch events
+ : Control( NO_SIZE_NEGOTIATION )
, mNumSamples(numSamples)
+ , mBlurBellCurveWidth( 0.001f )
, mPixelFormat(renderTargetPixelFormat)
, mDownsampleWidthScale(downsampleWidthScale)
, mDownsampleHeightScale(downsampleHeightScale)
, mDownsampledWidth( 0.0f )
, mDownsampledHeight( 0.0f )
, mBlurUserImage( blurUserImage )
+ , mRenderOnce( false )
, mBackgroundColor( Color::BLACK )
, mTargetSize(Vector2::ZERO)
, mLastSize(Vector2::ZERO)
// Private methods
//
-/**
- * EqualToConstraintFloat
- *
- * f(current, property) = property
- */
-struct EqualToConstraintFloat
-{
- EqualToConstraintFloat(){}
-
- float operator()(const float current, const PropertyInput& property) {return property.GetFloat();}
-};
-
void GaussianBlurView::OnInitialize()
{
// root actor to parent all user added actors, needed to allow us to set that subtree as exclusive for our child render task
mChildrenRoot.SetParentOrigin(ParentOrigin::CENTER);
- mChildrenRoot.ApplyConstraint( Constraint::New<Vector3>( Actor::SIZE, ParentSource( Actor::SIZE ), EqualToConstraint() ) ); // same size as GaussianBlurView object
-
//////////////////////////////////////////////////////
// Create shaders
// Create an ImageActor for performing a horizontal blur on the texture
mImageActorHorizBlur = ImageActor::New();
+ mImageActorHorizBlur.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
mImageActorHorizBlur.SetParentOrigin(ParentOrigin::CENTER);
mImageActorHorizBlur.ScaleBy( Vector3(1.0f, -1.0f, 1.0f) ); // FIXME
mImageActorHorizBlur.SetShaderEffect( mHorizBlurShader );
// Create an ImageActor for performing a vertical blur on the texture
mImageActorVertBlur = ImageActor::New();
+ mImageActorVertBlur.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
mImageActorVertBlur.SetParentOrigin(ParentOrigin::CENTER);
mImageActorVertBlur.ScaleBy( Vector3(1.0f, -1.0f, 1.0f) ); // FIXME
mImageActorVertBlur.SetShaderEffect( mVertBlurShader );
if(!mBlurUserImage)
{
mImageActorComposite = ImageActor::New();
+ mImageActorComposite.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
mImageActorComposite.SetParentOrigin(ParentOrigin::CENTER);
- mImageActorComposite.ApplyConstraint( Constraint::New<Vector3>( Actor::SIZE, ParentSource( Actor::SIZE ), EqualToConstraint() ) ); // same size as GaussianBlurView object
mImageActorComposite.ScaleBy( Vector3(1.0f, -1.0f, 1.0f) ); // FIXME
mImageActorComposite.SetOpacity(GAUSSIAN_BLUR_VIEW_DEFAULT_BLUR_STRENGTH); // ensure alpha is enabled for this object and set default value
- Constraint blurStrengthConstraint = Constraint::New<float>( Actor::COLOR_ALPHA, ParentSource(mBlurStrengthPropertyIndex), EqualToConstraintFloat());
- mImageActorComposite.ApplyConstraint(blurStrengthConstraint);
+ Constraint blurStrengthConstraint = Constraint::New<float>( mImageActorComposite, Actor::Property::COLOR_ALPHA, EqualToConstraint());
+ blurStrengthConstraint.AddSource( ParentSource(mBlurStrengthPropertyIndex) );
+ blurStrengthConstraint.Apply();
// Create an ImageActor for holding final result, i.e. the blurred image. This will get rendered to screen later, via default / user render task
mTargetActor = ImageActor::New();
+ mTargetActor.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
mTargetActor.SetParentOrigin(ParentOrigin::CENTER);
- mTargetActor.ApplyConstraint( Constraint::New<Vector3>( Actor::SIZE, ParentSource( Actor::SIZE ), EqualToConstraint() ) ); // same size as GaussianBlurView object
mTargetActor.ScaleBy( Vector3(1.0f, -1.0f, 1.0f) ); // FIXME
{
mTargetSize = Vector2(targetSize);
+ mChildrenRoot.SetSize(targetSize);
+
+ if( !mBlurUserImage )
+ {
+ mImageActorComposite.SetSize(targetSize);
+ mTargetActor.SetSize(targetSize);
+
+ // Children render camera must move when GaussianBlurView object is resized. This is since we cannot change render target size - so we need to remap the child actors' rendering
+ // accordingly so they still exactly fill the render target. Note that this means the effective resolution of the child render changes as the GaussianBlurView object changes
+ // size, this is the trade off for not being able to modify render target size
+ // Change camera z position based on GaussianBlurView actor height
+ float cameraPosConstraintScale = 0.5f / tanf(ARBITRARY_FIELD_OF_VIEW * 0.5f);
+ mRenderFullSizeCamera.SetZ(mTargetSize.height * cameraPosConstraintScale);
+ }
+
+
// if we are already on stage, need to update render target sizes now to reflect the new size of this actor
if(Self().OnStage())
{
mRenderDownsampledCamera.SetNearClippingPlane(1.0f);
mRenderDownsampledCamera.SetAspectRatio(mDownsampledWidth / mDownsampledHeight);
mRenderDownsampledCamera.SetType(Dali::Camera::FREE_LOOK); // camera orientation based solely on actor
- // Point the camera back into the scene
- mRenderDownsampledCamera.SetRotation(Quaternion(M_PI, Vector3::YAXIS));
mRenderDownsampledCamera.SetPosition(0.0f, 0.0f, ((mDownsampledHeight * 0.5f) / tanf(ARBITRARY_FIELD_OF_VIEW * 0.5f)));
mRenderFullSizeCamera.SetNearClippingPlane(1.0f);
mRenderFullSizeCamera.SetAspectRatio(mTargetSize.width / mTargetSize.height);
mRenderFullSizeCamera.SetType(Dali::Camera::FREE_LOOK); // camera orientation based solely on actor
- // Point the camera back into the scene
- mRenderFullSizeCamera.SetRotation(Quaternion(M_PI, Vector3::YAXIS));
float cameraPosConstraintScale = 0.5f / tanf(ARBITRARY_FIELD_OF_VIEW * 0.5f);
mRenderFullSizeCamera.SetPosition(0.0f, 0.0f, mTargetSize.height * cameraPosConstraintScale);
- // Children render camera must move when GaussianBlurView object is resized. This is since we cannot change render target size - so we need to remap the child actors' rendering
- // accordingly so they still exactly fill the render target. Note that this means the effective resolution of the child render changes as the GaussianBlurView object changes
- // size, this is the trade off for not being able to modify render target size
- // Change camera z position based on GaussianBlurView actor height
- mRenderFullSizeCamera.RemoveConstraints();
- mRenderFullSizeCamera.ApplyConstraint( Constraint::New<Vector3>( Actor::POSITION, ParentSource( Actor::SIZE ), ZrelativeToYconstraint(cameraPosConstraintScale) ) );
-
// create offscreen buffer of new size to render our child actors to
- mRenderTargetForRenderingChildren = FrameBufferImage::New( mTargetSize.width, mTargetSize.height, mPixelFormat, Dali::Image::Unused );
+ mRenderTargetForRenderingChildren = FrameBufferImage::New( mTargetSize.width, mTargetSize.height, mPixelFormat, Dali::Image::UNUSED );
// Set ImageActor for performing a horizontal blur on the texture
mImageActorHorizBlur.SetImage( mRenderTargetForRenderingChildren );
// Create offscreen buffer for vert blur pass
- mRenderTarget1 = FrameBufferImage::New( mDownsampledWidth, mDownsampledHeight, mPixelFormat, Dali::Image::Unused );
+ mRenderTarget1 = FrameBufferImage::New( mDownsampledWidth, mDownsampledHeight, mPixelFormat, Dali::Image::UNUSED );
// use the completed blur in the first buffer and composite with the original child actors render
mImageActorComposite.SetImage( mRenderTarget1 );
}
// Create offscreen buffer for horiz blur pass
- mRenderTarget2 = FrameBufferImage::New( mDownsampledWidth, mDownsampledHeight, mPixelFormat, Dali::Image::Unused );
+ mRenderTarget2 = FrameBufferImage::New( mDownsampledWidth, mDownsampledHeight, mPixelFormat, Dali::Image::UNUSED );
// size needs to match render target
mImageActorHorizBlur.SetSize(mDownsampledWidth, mDownsampledHeight);
projects / platform / core / uifw / dali-toolkit.git / blobdiff