Class NativeImageQueue

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Definition

Namespace:
Tizen.NUI
Assembly:
Tizen.NUI.dll

NativeImageQueue is a class for displaying an image resource using queue.


                
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public class NativeImageQueue : NativeImageInterface
Inheritance
Object
Disposable
RefObject
NativeImageInterface
NativeImageQueue
Examples

                

                

                    
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NativeImageQueue queue = new NativeImageQueue(width,height,ColorFormat.RGBA8888);
if(queue.CanDequeueBuffer())
{
  var buffer = queue.DequeueBuffer(ref bufferWidth,ref bufferHeight,ref bufferStride);

  /* Use buffer */

  queue.EnqueueBuffer(buffer);
}

Constructors

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NativeImageQueue(UInt32, UInt32, NativeImageQueue.ColorFormat)

Creates an initialized NativeImageQueue with size and color format.

Declaration

                
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public NativeImageQueue(uint width, uint height, NativeImageQueue.ColorFormat colorFormat)
Parameters
Type Name Description
UInt32 width

A Width of queue.
UInt32 height

A Height of queue.
NativeImageQueue.ColorFormat colorFormat

A color format of queue.

Methods

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CanDequeueBuffer()

Checks if the buffer can be got from the queue.

Declaration

                
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public bool CanDequeueBuffer()
Returns
Type Description
Boolean

True if the buffer can be got from the queue.
View Source

DequeueBuffer(ref Int32, ref Int32, ref Int32)

Dequeue buffer from the queue.

Declaration

                
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public IntPtr DequeueBuffer(ref int width, ref int height, ref int stride)
Parameters
Type Name Description
Int32 width

A reference to the buffer's width.
Int32 height

A reference to the buffer's height.
Int32 stride

A reference to the buffer's stride.
Returns
Type Description
IntPtr

A handle of buffer.
View Source

EnqueueBuffer(IntPtr)

Enqueue buffer to the queue.

Declaration

                
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public bool EnqueueBuffer(IntPtr buffer)
Parameters
Type Name Description
IntPtr buffer

A Handle of buffer to be enqueued.
Returns
Type Description
Boolean

True if success.
View Source

GenerateUrl()

Generate Url from native image queue.

Declaration

                
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public override ImageUrl GenerateUrl()
Returns
Type Description
ImageUrl

The ImageUrl of NativeImageQueue.
Overrides
Remarks

This API should not be called at worker thread.

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ReleaseSwigCPtr(Runtime.InteropServices.HandleRef)

Declaration

                
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protected override void ReleaseSwigCPtr(Runtime.InteropServices.HandleRef swigCPtr)
Parameters
Type Name Description
Tizen.System.Runtime.InteropServices.HandleRef swigCPtr
Overrides

Extension Methods