image-channel-control-impl.cpp
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/*
* Copyright (c) 2021 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.
*/
#include "image-channel-control-impl.h"
#include <dali-toolkit/dali-toolkit.h>
#include <dali-toolkit/devel-api/controls/control-devel.h>
#include <dali-toolkit/devel-api/visual-factory/visual-factory.h>
#include "generated/image-channel-control-frag.h"
#include <cstdio>
using namespace Dali; // Needed for macros
namespace Demo
{
namespace Internal
{
namespace
{
Dali::BaseHandle Create()
{
return Demo::ImageChannelControl::New();
}
DALI_TYPE_REGISTRATION_BEGIN(ImageChannelControl, Dali::Toolkit::Control, Create);
DALI_PROPERTY_REGISTRATION(Demo, ImageChannelControl, "url", STRING, RESOURCE_URL);
DALI_PROPERTY_REGISTRATION(Demo, ImageChannelControl, "redChannel", FLOAT, RED_CHANNEL);
DALI_PROPERTY_REGISTRATION(Demo, ImageChannelControl, "greenChannel", FLOAT, GREEN_CHANNEL);
DALI_PROPERTY_REGISTRATION(Demo, ImageChannelControl, "blueChannel", FLOAT, BLUE_CHANNEL);
DALI_PROPERTY_REGISTRATION(Demo, ImageChannelControl, "visibility", BOOLEAN, VISIBILITY);
DALI_PROPERTY_REGISTRATION(Demo, ImageChannelControl, "enableVisibilityTransition", ARRAY, ENABLE_VISIBILITY_TRANSITION);
DALI_PROPERTY_REGISTRATION(Demo, ImageChannelControl, "disableVisibilityTransition", ARRAY, DISABLE_VISIBILITY_TRANSITION);
DALI_PROPERTY_REGISTRATION(Demo, ImageChannelControl, "imageVisual", MAP, IMAGE_VISUAL);
DALI_TYPE_REGISTRATION_END();
} // anonymous namespace
Internal::ImageChannelControl::ImageChannelControl()
: Control(ControlBehaviour(CONTROL_BEHAVIOUR_DEFAULT)),
mChannels(1.0f, 1.0f, 1.0f),
mChannelIndex(Property::INVALID_INDEX),
mVisibility(true),
mTargetVisibility(true)
{
}
Internal::ImageChannelControl::~ImageChannelControl()
{
}
Demo::ImageChannelControl Internal::ImageChannelControl::New()
{
IntrusivePtr<Internal::ImageChannelControl> impl = new Internal::ImageChannelControl();
Demo::ImageChannelControl handle = Demo::ImageChannelControl(*impl);
impl->Initialize();
return handle;
}
void ImageChannelControl::SetImage(const std::string& url)
{
mUrl = url;
Actor self = Self();
Property::Map properties;
Property::Map shader;
shader[Dali::Toolkit::Visual::Shader::Property::FRAGMENT_SHADER] = Dali::Shader::GetFragmentShaderPrefix() + SHADER_IMAGE_CHANNEL_CONTROL_FRAG.data();
properties[Dali::Toolkit::Visual::Property::TYPE] = Dali::Toolkit::Visual::IMAGE;
properties[Dali::Toolkit::Visual::Property::SHADER] = shader;
properties[Dali::Toolkit::ImageVisual::Property::URL] = url;
mVisual = Toolkit::VisualFactory::Get().CreateVisual(properties);
Toolkit::DevelControl::RegisterVisual(*this, Demo::ImageChannelControl::Property::IMAGE_VISUAL, mVisual);
mVisual.SetName("imageVisual");
RelayoutRequest();
}
void ImageChannelControl::SetVisibility(bool visibility)
{
printf("ImageChannelControl %s: SetVisibility( %s )\n", Self().GetProperty<std::string>(Dali::Actor::Property::NAME).c_str(), visibility ? "T" : "F");
if(mAnimation)
{
mAnimation.Stop();
mAnimation.FinishedSignal().Disconnect(this, &ImageChannelControl::OnStateChangeAnimationFinished);
OnStateChangeAnimationFinished(mAnimation);
}
if(mVisibility != visibility)
{
if(mVisibility)
{
if(mDisableVisibilityTransition.Count() > 0)
{
mAnimation = Toolkit::DevelControl::CreateTransition(*this, mDisableVisibilityTransition);
}
}
else
{
if(mEnableVisibilityTransition.Count() > 0)
{
mAnimation = Toolkit::DevelControl::CreateTransition(*this, mEnableVisibilityTransition);
}
}
}
if(mAnimation)
{
mAnimation.FinishedSignal().Connect(this, &ImageChannelControl::OnStateChangeAnimationFinished);
mAnimation.Play();
mTargetVisibility = visibility;
}
else
{
mVisibility = visibility;
}
}
void ImageChannelControl::OnStateChangeAnimationFinished(Animation& src)
{
mVisibility = mTargetVisibility;
}
void ImageChannelControl::OnInitialize()
{
Actor self = Self();
mChannelIndex = self.RegisterProperty("uChannels", Vector3(1.0f, 1.0f, 1.0f));
}
void ImageChannelControl::OnSceneConnection(int depth)
{
Control::OnSceneConnection(depth);
}
void ImageChannelControl::OnSceneDisconnection()
{
Control::OnSceneDisconnection();
}
void ImageChannelControl::OnSizeSet(const Vector3& targetSize)
{
Control::OnSizeSet(targetSize);
if(mVisual)
{
Vector2 size(targetSize);
Property::Map transformMap;
transformMap
.Add(Toolkit::Visual::Transform::Property::OFFSET, Vector2(0.0f, 0.0f))
.Add(Toolkit::Visual::Transform::Property::SIZE, Vector2(1.0f, 1.0f))
.Add(Toolkit::Visual::Transform::Property::ORIGIN, Toolkit::Align::CENTER)
.Add(Toolkit::Visual::Transform::Property::ANCHOR_POINT, Toolkit::Align::CENTER)
.Add(Toolkit::Visual::Transform::Property::OFFSET_POLICY, Vector2(Toolkit::Visual::Transform::Policy::RELATIVE, Toolkit::Visual::Transform::Policy::RELATIVE))
.Add(Toolkit::Visual::Transform::Property::SIZE_POLICY, Vector2(Toolkit::Visual::Transform::Policy::RELATIVE, Toolkit::Visual::Transform::Policy::RELATIVE));
mVisual.SetTransformAndSize(transformMap, size);
}
}
Vector3 ImageChannelControl::GetNaturalSize()
{
if(mVisual)
{
Vector2 naturalSize;
mVisual.GetNaturalSize(naturalSize);
return Vector3(naturalSize);
}
return Vector3::ZERO;
}
void ImageChannelControl::OnStyleChange(Toolkit::StyleManager styleManager, StyleChange::Type change)
{
// Chain up.
Control::OnStyleChange(styleManager, change);
}
///////////////////////////////////////////////////////////
//
// Properties
//
void ImageChannelControl::SetProperty(BaseObject* object, Property::Index index, const Property::Value& value)
{
Demo::ImageChannelControl imageChannelControl = Demo::ImageChannelControl::DownCast(Dali::BaseHandle(object));
if(imageChannelControl)
{
ImageChannelControl& impl = GetImpl(imageChannelControl);
Actor self = impl.Self();
switch(index)
{
case Demo::ImageChannelControl::Property::RESOURCE_URL:
{
impl.SetImage(value.Get<std::string>());
break;
}
case Demo::ImageChannelControl::Property::IMAGE_VISUAL:
{
const Property::Map* map = value.GetMap();
if(map)
{
impl.mVisual = Toolkit::VisualFactory::Get().CreateVisual(*map);
Toolkit::DevelControl::RegisterVisual(impl, Demo::ImageChannelControl::Property::IMAGE_VISUAL, impl.mVisual);
}
break;
}
case Demo::ImageChannelControl::Property::VISIBILITY:
{
impl.SetVisibility(value.Get<bool>());
break;
}
case Demo::ImageChannelControl::Property::ENABLE_VISIBILITY_TRANSITION:
{
if(value.GetType() == Property::ARRAY)
{
impl.mEnableVisibilityTransition = Toolkit::TransitionData::New(*value.GetArray());
}
else if(value.GetType() == Property::MAP)
{
impl.mEnableVisibilityTransition = Toolkit::TransitionData::New(*value.GetMap());
}
break;
}
case Demo::ImageChannelControl::Property::DISABLE_VISIBILITY_TRANSITION:
{
if(value.GetType() == Property::ARRAY)
{
impl.mDisableVisibilityTransition = Toolkit::TransitionData::New(*value.GetArray());
}
else if(value.GetType() == Property::MAP)
{
impl.mDisableVisibilityTransition = Toolkit::TransitionData::New(*value.GetMap());
}
break;
}
case Demo::ImageChannelControl::Property::RED_CHANNEL:
{
impl.mChannels[0] = value.Get<float>();
self.SetProperty(impl.mChannelIndex, impl.mChannels);
break;
}
case Demo::ImageChannelControl::Property::GREEN_CHANNEL:
{
impl.mChannels[1] = value.Get<float>();
self.SetProperty(impl.mChannelIndex, impl.mChannels);
break;
}
case Demo::ImageChannelControl::Property::BLUE_CHANNEL:
{
impl.mChannels[2] = value.Get<float>();
self.SetProperty(impl.mChannelIndex, impl.mChannels);
break;
}
}
}
}
Property::Value ImageChannelControl::GetProperty(BaseObject* object, Property::Index propertyIndex)
{
Property::Value value;
Demo::ImageChannelControl imageChannelControl = Demo::ImageChannelControl::DownCast(Dali::BaseHandle(object));
if(imageChannelControl)
{
ImageChannelControl& impl = GetImpl(imageChannelControl);
switch(propertyIndex)
{
case Demo::ImageChannelControl::Property::RED_CHANNEL:
{
value = impl.mChannels[0];
break;
}
case Demo::ImageChannelControl::Property::GREEN_CHANNEL:
{
value = impl.mChannels[1];
break;
}
case Demo::ImageChannelControl::Property::BLUE_CHANNEL:
{
value = impl.mChannels[2];
break;
}
case Demo::ImageChannelControl::Property::VISIBILITY:
{
value = impl.mVisibility;
break;
}
default:
break;
}
}
return value;
}
} // namespace Internal
} // namespace Demo