/// <summary>
/// Creates a new <see cref="PdfiumBitmap"/>. Unmanaged memory is allocated which must
/// be freed by calling <see cref="Dispose"/>.
/// </summary>
/// <param name="width">The width of the new bitmap.</param>
/// <param name="height">The height of the new bitmap.</param>
/// <param name="hasAlpha">A value indicating wheter the new bitmap has an alpha channel.</param>
/// <remarks>
/// A bitmap created with this overload always uses 4 bytes per pixel.
/// Depending on <paramref name="hasAlpha"/> the <see cref="Format"/> is then either
/// <see cref="BitmapFormats.BGRA"/> or <see cref="BitmapFormats.BGRx"/>.
/// </remarks>
public PdfiumBitmap(int width, int height, bool hasAlpha, bool forceAlphaChannel = false)
: this(Pdfium.FPDFBitmap_Create(width, height, hasAlpha))
{
_forceAlphaChannel = forceAlphaChannel;
FillRectangle(0, 0, width, height, 0xFFFFFFFF);
}
