image-channel-control.h
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#ifndef DALI_DEMO_IMAGE_CHANNEL_CONTROL_H
#define DALI_DEMO_IMAGE_CHANNEL_CONTROL_H
/*
* Copyright (c) 2020 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 <dali-toolkit/dali-toolkit.h>
#include <string>
namespace Demo
{
namespace Internal
{
// All type registered types need to have the same name for the body and the handle
class ImageChannelControl;
} // namespace Internal
/**
* Control that allows the RGB channels of an image to be altered.
*/
class ImageChannelControl : public Dali::Toolkit::Control
{
public:
/**
* The start and end property ranges for this control
*/
enum PropertyRange
{
PROPERTY_START_INDEX = Dali::Toolkit::Control::CONTROL_PROPERTY_END_INDEX + 1,
PROPERTY_END_INDEX = PROPERTY_START_INDEX + 1000,
ANIMATABLE_PROPERTY_START_INDEX = Dali::ANIMATABLE_PROPERTY_REGISTRATION_START_INDEX,
ANIMATABLE_PROPERTY_END_INDEX = ANIMATABLE_PROPERTY_START_INDEX + 1000
};
struct Property
{
enum
{
RESOURCE_URL = PROPERTY_START_INDEX,
RED_CHANNEL,
GREEN_CHANNEL,
BLUE_CHANNEL,
VISIBILITY,
ENABLE_VISIBILITY_TRANSITION,
DISABLE_VISIBILITY_TRANSITION,
IMAGE_VISUAL
};
};
public: // Construction / destruction
/**
* Create an uninitialized handle
*/
ImageChannelControl();
/**
* Create a new image channel control without an image. Use
* SetImage to give this control an image
*/
static ImageChannelControl New();
/**
* Create a new image channel control from a given URL
*/
static ImageChannelControl New(const std::string& url);
/**
* Destructor. This is non-virtual since derived Handle types must not
* contain data or virtual methods
*/
~ImageChannelControl();
/**
* Copy Constructor
*/
ImageChannelControl(const ImageChannelControl& imageChannelControl);
/**
* Assignment Operator
*/
ImageChannelControl& operator=(const ImageChannelControl& imageChannelControl);
/**
* Downcast
*/
static ImageChannelControl DownCast(BaseHandle handle);
public: // API
/**
* Set the image for this ImageChannelControl
* @param[in] url The url of the image resource
*/
void SetImage(const std::string& url);
/**
* Set the visibility of this control
*/
void SetVisibility(bool visibility);
public: // Not for public use
/**
* Create a handle from an implementation
*/
ImageChannelControl(Internal::ImageChannelControl& implementation);
/**
* Allow the creation of an ImageChannelControl handle from an internal CustomActor pointer
*/
ImageChannelControl(Dali::Internal::CustomActor* internal);
};
} // namespace Demo
#endif // DALI_DEMO_IMAGE_CHANNEL_CONTROL_H