protected static BitmapProperties1 NewDescription(float dpiX, float dpiY, PixelFormat format, AlphaMode alphaMode,
BitmapOptions bitmapOptions, ColorContext colorContext)
{
var pixelFormat = new SharpDX.Direct2D1.PixelFormat(format, alphaMode);
return(new BitmapProperties1(pixelFormat, dpiX, dpiY, bitmapOptions, colorContext));
}
/// <summary>
/// Creates a new texture description for a <see cref="BitmapTarget" />.
/// </summary>
/// <param name="dpiX">The width.</param>
/// <param name="dpiY">The height.</param>
/// <param name="format">Describes the format to use.</param>
/// <param name="alphaMode">The <see cref="AlphaMode"/>.</param>
/// <param name="options">Sets the bitmap options.</param>
/// <param name="colorContext">The <see cref="ColorContext"/>.</param>
/// <returns>A new instance of <see cref="BitmapTarget" /> class.</returns>
public static BitmapProperties1 CreateDescription(float dpiX, float dpiY, PixelFormat format,
AlphaMode alphaMode = AlphaMode.Premultiplied,
BitmapOptions options = BitmapOptions.Target | BitmapOptions.CannotDraw, ColorContext colorContext = null)
{
// Make sure that the texture to create is a render target
options |= BitmapOptions.Target;
var description = NewDescription(dpiX, dpiY, format, alphaMode, options, colorContext);
return(description);
}
public static BitmapTarget New(string name, Direct2DDevice device, int width, int height, PixelFormat format)
{
Texture2DDescription renderTargetDescription = new Texture2DDescription
{
Width = width,
Height = height,
ArraySize = 1,
SampleDescription = new SampleDescription(1, 0),
BindFlags = BindFlags.RenderTarget,
Format = format,
MipLevels = CalculateMipMapCount(width, height),
Usage = ResourceUsage.Default,
CpuAccessFlags = CpuAccessFlags.None,
OptionFlags = ResourceOptionFlags.None
};
Texture2D texture = new Texture2D(device, renderTargetDescription);
return(new BitmapTarget(name, device, texture.QueryInterface <Surface>(), CreateDescription(device.HorizontalDpi, device.VerticalDpi, format)));
}