void InitData()
{
if (PPBImageData.Describe(this, out imageDataDesc) == PPBool.True)
{
imageDataPtr = PPBImageData.Map(this);
}
}
/// <summary>
/// A constructor that allocates a new <code>ImageData</code> in the browser
/// with the provided parameters. The resulting object will be IsEmpty if
/// the allocation failed.
/// </summary>
/// <param name="instance">The instance with which this resource will be
/// associated.
/// </param>
/// <param name="format">A PP_ImageDataFormat containing desired image format.
/// PP_ImageDataFormat is an enumeration of the different types of
/// image data formats.
/// </param>
/// <param name="size">the image size.</param>
/// <param name="init_to_zero">A bool used to determine transparency at
/// creation. Set the <code>init_to_zero</code> flag if you want the bitmap
/// initialized to transparent during the creation process. If this flag is
/// not set, the current contents of the bitmap will be undefined, and the
/// module should be sure to set all the pixels.
/// </param>
public ImageData(Instance instance,
PPImageDataFormat format,
PPSize size,
bool init_to_zero)
{
handle = PPBImageData.Create(instance, format, size, init_to_zero ? PPBool.True : PPBool.False);
if (PPBImageData.IsImageData(handle) == PPBool.True)
{
InitData();
}
}
/// <summary>
/// IsImageDataFormatSupported() returns <code>true</code> if the supplied
/// format is supported by the browser. Note:
/// <code>BGRA_PREMUL</code> and
/// <code>RGBA_PREMUL</code> formats are always supported.
/// Other image formats do not make this guarantee, and should be checked
/// first with IsImageDataFormatSupported() before using.
/// </summary>
/// <param name="format">Image data format.</param>
/// <returns></returns>
public static bool IsImageDataFormatSupported(PPImageDataFormat format)
{
return(PPBImageData.IsImageDataFormatSupported(format) == PPBool.True ? true : false);
}