/// <summary>
/// Called once per frame, generates images
/// </summary>
private void DrawFrameToScreen(uint[] frame)
{
if (CycleAnimations)
{
tickCount++;
var timeMs = AnimationLength; // ms per animation
if ((tickCount % (timeMs / FramesPerSecond)) == 0)
{
Next();
}
}
// ensure the screen bitmap is the right size and format
var h = DemoManager.Height;
var w = DemoManager.Width;
var img = ImageSource;
if (img == null)
{
img = new WriteableBitmap(w, h, 96.0, 96.0, PixelFormats.Bgra32, null);
}
var bmp = img as WriteableBitmap;
if (bmp == null)
{
return; // something wrong, return
}
if (bmp.PixelWidth != w || bmp.PixelHeight != h)
{
bmp = new WriteableBitmap(w, h, 96.0, 96.0, PixelFormats.Bgra32, null);
}
bmp.WritePixels(new Int32Rect(0, 0, w, h), frame, w * 4, 0);
ActualFramesPerSecond = fps.Tick();
ImageSource = null; // toggle update
ImageSource = bmp;
if (SaveImages)
{
SaveImage(bmp, ImagePlayback.Filename(filePath, imageCount++));
}
}
