public void DisposeAll()
{
if (AvaloniaBitmap != null)
{
AvaloniaBitmap.Dispose();
AvaloniaBitmap = null;
}
for (int i = 0; i < SystemBitmaps.Length; ++i)
{
if (SystemBitmaps[i] != null)
{
SystemBitmaps[i].Dispose();
SystemBitmaps[i] = null;
}
}
}
public static bool EnsureBitmapSize(ref AI.WriteableBitmap avaloniaBitmap, PixelSize size)
{
bool invalid = avaloniaBitmap != null && avaloniaBitmap.PixelSize != size;
bool create = avaloniaBitmap == null || invalid;
if (invalid)
{
avaloniaBitmap.Dispose();
avaloniaBitmap = null;
}
if (create)
{
avaloniaBitmap = new AI.WriteableBitmap(
size,
new Vector(1, 1), // DPI scale ?
//Avalonia.Platform.PixelFormat.Rgba8888
Avalonia.Platform.PixelFormat.Bgra8888 // seems faster for me! // like System.Drawing.Imaging.PixelFormat.Format32bppArgb
);
}
return(create);
}