private void InitImages()
{
if (APNGFile.IsAnimated)
{
Bitmap current = new Bitmap((int)APNGFile.Width, (int)APNGFile.Height);
Bitmap previous = null;
ImageRender.RenderNextFrame(current, Point.Empty, APNGFile.ToBitmap(0), Frame.BlendOperation.SOURCE);
Images.Add(new Bitmap(current));
for (int i = 1; i < APNGFile.FrameCount; i++)
{
APNGLib.Frame oldFrame = APNGFile.GetFrame(i - 1);
Bitmap prev = previous == null ? null : new Bitmap(previous);
if (oldFrame.DisposeOp != APNGLib.Frame.DisposeOperation.PREVIOUS)
{
previous = new Bitmap(current);
}
ImageRender.DisposeBuffer(current, new Rectangle((int)oldFrame.XOffset, (int)oldFrame.YOffset, (int)oldFrame.Width, (int)oldFrame.Height), oldFrame.DisposeOp, prev);
APNGLib.Frame currFrame = APNGFile.GetFrame(i);
ImageRender.RenderNextFrame(current, new Point((int)currFrame.XOffset, (int)currFrame.YOffset), APNGFile.ToBitmap(i), currFrame.BlendOp);
Images.Add(new Bitmap(current));
}
}
else
{
Images.Add(APNGFile.ToBitmap());
}
}
/// <summary>
///
/// </summary>
public List <data_apng> fun_取得解析後的APNG()
{
List <data_apng> ar_apng = new List <data_apng>();
if (APNGFile.IsAnimated)
{
Bitmap current = new Bitmap((int)APNGFile.Width, (int)APNGFile.Height);
Bitmap previous = null;
ImageRender.RenderNextFrame(current, System.Drawing.Point.Empty, APNGFile.ToBitmap(0), Frame.BlendOperation.SOURCE);
fun_add(new Bitmap(current), ar_apng, APNGFile.GetFrame(0).Milliseconds);
for (int i = 1; i < APNGFile.FrameCount; i++)
{
APNGLib.Frame oldFrame = APNGFile.GetFrame(i - 1);
Bitmap prev = previous == null ? null : new Bitmap(previous);
if (oldFrame.DisposeOp != APNGLib.Frame.DisposeOperation.PREVIOUS)
{
previous = (current);
}
ImageRender.DisposeBuffer(current, new Rectangle((int)oldFrame.XOffset, (int)oldFrame.YOffset, (int)oldFrame.Width, (int)oldFrame.Height), oldFrame.DisposeOp, prev);
APNGLib.Frame currFrame = APNGFile.GetFrame(i);
ImageRender.RenderNextFrame(current, new System.Drawing.Point((int)currFrame.XOffset, (int)currFrame.YOffset), APNGFile.ToBitmap(i), currFrame.BlendOp);
fun_add(new Bitmap(current), ar_apng, APNGFile.GetFrame(i).Milliseconds);
if (prev != null)
{
prev.Dispose();
prev = null;
}
}
if (current != null)
{
current.Dispose();
current = null;
}
if (previous != null)
{
previous.Dispose();
previous = null;
}
}
else //如果不是動畫
{
fun_add(APNGFile.ToBitmap(), ar_apng, 60);
}
return(ar_apng);
}
