public void Transform(Matrix3X3 matrix)
{
}
public static Matrix3X3 PreScale(Matrix3X3 matrix, float scaleX, float scaleY, float px, float py)
{
var tmp = GetTranslate(-px, -py) * GetScale(scaleX, scaleY) * GetTranslate(px, py);
return(matrix * tmp);
}
public void Transform(Matrix3X3 matrix)
{
_control1 = matrix.Transform(_control1);
_control2 = matrix.Transform(_control2);
_vertex = matrix.Transform(_vertex);
}
public static Matrix3X3 PreScale(Matrix3X3 matrix, float scaleX, float scaleY)
{
return(matrix * GetScale(scaleX, scaleY));
}
public static Matrix3X3 PreTranslate(Matrix3X3 matrix, float dx, float dy)
{
return(matrix * GetTranslate(dx, dy));
}
public static Matrix3X3 PreConcat(Matrix3X3 matrix, Matrix3X3 transformAnimationMatrix)
{
return(matrix * transformAnimationMatrix);
}
//public int Opacity
//{
// get
// {
// return PixelFormat.TRANSLUCENT;
// }
//}
public override void Render(RenderTarget target)
{
lock (this)
{
if (_bitmapCanvas == null)
{
return;
}
using (_bitmapCanvas.CreateSession(target.Size.Width, target.Size.Height, (DeviceContext)target))
{
_bitmapCanvas.Clear(Color.Transparent);
LottieLog.BeginSection("Drawable.Draw");
if (_compositionLayer == null)
{
return;
}
var scale = _scale;
float extraScale = 1f;
float maxScale = GetMaxScale(_bitmapCanvas);
if (scale > maxScale)
{
scale = maxScale;
extraScale = _scale / scale;
}
if (extraScale > 1)
{
// This is a bit tricky...
// We can't draw on a canvas larger than ViewConfiguration.get(context).getScaledMaximumDrawingCacheSize()
// which works out to be roughly the size of the screen because Android can't generate a
// bitmap large enough to render to.
// As a result, we cap the scale such that it will never be wider/taller than the screen
// and then only render in the top left corner of the canvas. We then use extraScale
// to scale up the rest of the scale. However, since we rendered the animation to the top
// left corner, we need to scale up and translate the canvas to zoom in on the top left
// corner.
_bitmapCanvas.Save();
float halfWidth = (float)_composition.Bounds.Width / 2f;
float halfHeight = (float)_composition.Bounds.Height / 2f;
float scaledHalfWidth = halfWidth * scale;
float scaledHalfHeight = halfHeight * scale;
_bitmapCanvas.Translate(
Scale * halfWidth - scaledHalfWidth,
Scale * halfHeight - scaledHalfHeight);
_bitmapCanvas.Scale(extraScale, extraScale, scaledHalfWidth, scaledHalfHeight);
}
_matrix.Reset();
_matrix = MatrixExt.PreScale(_matrix, scale, scale);
_compositionLayer.Draw(_bitmapCanvas, _matrix, _alpha);
LottieLog.EndSection("Drawable.Draw");
if (extraScale > 1)
{
//_bitmapCanvas.Restore();
_bitmapCanvas.RestoreAll();
}
}
}
}
public void Transform(Matrix3X3 matrix)
{
path1.Transform(matrix);
path2.Transform(matrix);
}
