Class NativeImageSource

Definition

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

NativeImageSource is a class for displaying an native image resource.

public class NativeImageSource : NativeImageInterface
Inheritance
object
Disposable
RefObject
NativeImageInterface
NativeImageSource
Derived
TbmSurfaceImageSource
TbmSurfaceImageSource
Examples
NativeImageSource surface = new NativeImageSource(width, height, ColorDepth.Default);

var buffer = surface.AcquireBuffer(ref bufferWidth, ref bufferHeight, ref bufferStride);

/* Use buffer */

surface.ReleaseBuffer();

ImageUrl imageUrl = surface.GenerateUrl();
ImageView view = new ImageView(imageUrl.ToString());

Constructors

View Source

NativeImageSource(uint, uint, ColorDepth)

Declaration
public NativeImageSource(uint width, uint height, NativeImageSource.ColorDepth depth)
Parameters
Type Name Description
uint width
uint height
NativeImageSource.ColorDepth depth
Examples
NativeImageSource surface = new NativeImageSource(width, height, ColorDepth.Default);

var buffer = surface.AcquireBuffer(ref bufferWidth, ref bufferHeight, ref bufferStride);

/* Use buffer */

surface.ReleaseBuffer();

ImageUrl imageUrl = surface.GenerateUrl();
ImageView view = new ImageView(imageUrl.ToString());

Methods

View Source

AcquireBuffer(ref int, ref int, ref int)

Declaration
public IntPtr AcquireBuffer(ref int width, ref int height, ref int stride)
Parameters
Type Name Description
int width
int height
int stride
Returns
Type Description
IntPtr
Examples
NativeImageSource surface = new NativeImageSource(width, height, ColorDepth.Default);

var buffer = surface.AcquireBuffer(ref bufferWidth, ref bufferHeight, ref bufferStride);

/* Use buffer */

surface.ReleaseBuffer();

ImageUrl imageUrl = surface.GenerateUrl();
ImageView view = new ImageView(imageUrl.ToString());
View Source

GenerateUrl()

Generate Url from native image source.

Declaration
public override ImageUrl GenerateUrl()
Returns
Type Description
ImageUrl
Overrides
Remarks

This API should not be called at worker thread.

View Source

GenerateUrl(bool)

Generate Url from native image source with pre-multiplied by alpha information.

Declaration
public override ImageUrl GenerateUrl(bool preMultiplied)
Parameters
Type Name Description
bool preMultiplied

The raw pixel data pre-multiplied by alpha.
Returns
Type Description
ImageUrl
Overrides
Remarks

This API should not be called at worker thread.

View Source

ReleaseBuffer()

Declaration
public bool ReleaseBuffer()
Returns
Type Description
bool
Examples
NativeImageSource surface = new NativeImageSource(width, height, ColorDepth.Default);

var buffer = surface.AcquireBuffer(ref bufferWidth, ref bufferHeight, ref bufferStride);

/* Use buffer */

surface.ReleaseBuffer();

ImageUrl imageUrl = surface.GenerateUrl();
ImageView view = new ImageView(imageUrl.ToString());
View Source

ReleaseSwigCPtr(HandleRef)

Declaration
protected override void ReleaseSwigCPtr(System.Runtime.InteropServices.HandleRef swigCPtr)
Parameters
Type Name Description
System.Runtime.InteropServices.HandleRef swigCPtr
Overrides
Examples
NativeImageSource surface = new NativeImageSource(width, height, ColorDepth.Default);

var buffer = surface.AcquireBuffer(ref bufferWidth, ref bufferHeight, ref bufferStride);

/* Use buffer */

surface.ReleaseBuffer();

ImageUrl imageUrl = surface.GenerateUrl();
ImageView view = new ImageView(imageUrl.ToString());

Extension Methods