public Animation TransformAnimation(AnimatedView view, int time)
{
var animationFrame = Animation.CountKeyFrames(time);
if (animationFrame == null)
{
return(null);
}
CGRect nativeViewSize = new CGRect(view.X, view.Y, view.Width, view.Height);
UIView nativeView = ConvertFormsToNative(view, nativeViewSize);
AnimationFrame animationFrameTranform = Animation.AnimationFrameForTime(time) as AnimationFrame;
// Store the current transform
CGAffineTransform tempTransform = nativeView.Transform;
// Reset rotation to 0 to avoid warping
nativeView.Transform = CGAffineTransform.MakeRotation(0);
var nativeFrameSize = new CGRect(animationFrameTranform.xPosition, animationFrameTranform.yPosition, animationFrameTranform.frameSize.Width, animationFrameTranform.frameSize.Height);
nativeView.Frame = nativeFrameSize;
// Return to original transform
nativeView.Transform = tempTransform;
return(this);
}
public AnimationFrameBase FrameForTimeTransform(AnimatedView view, int time, AnimationFrameBase startKeyFrameBase, AnimationFrameBase endKeyFrameBase)
{
var startKeyFrame = startKeyFrameBase as AnimationFrame;
var endKeyFrame = endKeyFrameBase as AnimationFrame;
int startTime = startKeyFrame.Time;
int endTime = endKeyFrame.Time;
CGRect startLocation = new CGRect(startKeyFrame.xPosition, startKeyFrame.yPosition, startKeyFrame.frameSize.ToSizeF().Width, startKeyFrame.frameSize.ToSizeF().Height);
CGRect endLocation = new CGRect(endKeyFrame.xPosition, endKeyFrame.yPosition, endKeyFrame.frameSize.ToSizeF().Width, endKeyFrame.frameSize.ToSizeF().Height);
CGRect nativeViewSize = new CGRect(view.X, view.Y, view.Width, view.Height);
UIView nativeView = ConvertFormsToNative(view, nativeViewSize);
CGRect frame = nativeView.Frame;
frame.Location =
new PointF(
Animation.TweenValueForStartTime(startTime, endTime, (Single)startLocation.GetMinX(), (Single)endLocation.GetMinX(), time),
Animation.TweenValueForStartTime(startTime, endTime, (Single)startLocation.GetMinY(), (Single)endLocation.GetMinY(), time));
frame.Size =
new SizeF(Animation.TweenValueForStartTime(startTime, endTime, (Single)startLocation.Width, (Single)endLocation.Width, time),
Animation.TweenValueForStartTime(startTime, endTime, (Single)startLocation.Height, (Single)endLocation.Height, time));
AnimationFrame animationFrame = new AnimationFrame();
animationFrame.xPosition = (int)nativeView.Center.X;
animationFrame.yPosition = (int)nativeView.Center.Y;
animationFrame.frameSize = new Xamarin.Forms.Size(frame.Width, frame.Height);
return(animationFrame);
}
public AnimationFrameBase FrameForTimeHide(int time, AnimationFrameBase startKeyFrame, AnimationFrameBase endKeyFrame)
{
AnimationFrame animationFrame = new AnimationFrame();
animationFrame.Hidden = (time == startKeyFrame.Time ? startKeyFrame : endKeyFrame).Hidden;
return(animationFrame);
}
public Animation Transform3DAnimation(AnimatedView view, int time)
{
var animationFrame = Animation.CountKeyFrames(time);
if (animationFrame == null)
{
return(this);
}
CGRect nativeViewSize = new CGRect(view.X, view.Y, view.Width, view.Height);
UIView nativeView = ConvertFormsToNative(view, nativeViewSize);
AnimationFrame aFrame = (AnimationFrame)Animation.AnimationFrameForTime(time);
if (aFrame.Transform == null)
{
return(null);
}
CATransform3D transform = CATransform3D.Identity;
transform.m34 = aFrame.Transform.M34;
transform = CATransform3D.MakeRotation(
aFrame.Transform.Rotate.Angle,
aFrame.Transform.Rotate.X,
aFrame.Transform.Rotate.Y,
aFrame.Transform.Rotate.Z);
// Scale
transform.m11 = aFrame.Transform.Scale.Sx;
transform.m22 = aFrame.Transform.Scale.Sy;
transform.m33 = aFrame.Transform.Scale.Sz;
// Translate
transform.m41 = aFrame.Transform.Translate.Tx;
transform.m42 = aFrame.Transform.Translate.Ty;
transform.m43 = aFrame.Transform.Translate.Tz;
// transform.Rotate (
// aFrame.Transform.Rotate.Angle,
// aFrame.Transform.Rotate.X,
// aFrame.Transform.Rotate.Y,
// aFrame.Transform.Rotate.Z);
// transform.Scale (
// aFrame.Transform.Scale.Sx,
// aFrame.Transform.Scale.Sy,
// aFrame.Transform.Scale.Sz);
//
// transform.Translate (
// aFrame.Transform.Translate.Tx,
// aFrame.Transform.Translate.Ty,
// aFrame.Transform.Translate.Tz);
nativeView.Layer.Transform = transform;
return(this);
}
public AnimationFrameBase FrameForTimeScale(int time, AnimationFrameBase startKeyFrame, AnimationFrameBase endKeyFrame)
{
var animationFrame = new AnimationFrame();
animationFrame.Scale = Animation.TweenValueForStartTime(startKeyFrame.Time,
endKeyFrame.Time,
startKeyFrame.Scale,
endKeyFrame.Scale,
time);
return(animationFrame);
}
/// <summary>
/// Set of all animations
/// </summary>
/// <param name="view">View.</param>
/// <param name="time">Time.</param>
///
public Animation AlphaAnimation(AnimatedView view, int time)
{
var animationFrame = Animation.CountKeyFrames(time);
if (animationFrame == null)
{
return(null);
}
CGRect nativeViewSize = new CGRect(view.X, view.Y, view.Width, view.Height);
UIView nativeView = ConvertFormsToNative(view, nativeViewSize);
AnimationFrame animationFrameAlpha = Animation.AnimationFrameForTime(time) as AnimationFrame;
nativeView.Alpha = animationFrameAlpha.Alpha;
return(this);
}
public Animation ScaleAnimation(AnimatedView view, int time)
{
var animationFrame = Animation.CountKeyFrames(time);
if (animationFrame == null)
{
return(null);
}
CGRect nativeViewSize = new CGRect(view.X, view.Y, view.Width, view.Height);
UIView nativeView = ConvertFormsToNative(view, nativeViewSize);
AnimationFrame scaleAnimationFrame = (AnimationFrame)Animation.AnimationFrameForTime(time);
float scale = scaleAnimationFrame.Scale;
nativeView.Transform = CGAffineTransform.MakeScale(scale, scale);
return(this);
}
public Animation ColorAnimation(AnimatedView view, int time)
{
var animationFrame = Animation.CountKeyFrames(time);
if (animationFrame == null)
{
return(null);
}
var nativeViewSize = new CGRect(view.X, view.Y, view.Width, view.Height);
var nativeView = ConvertFormsToNative(view, nativeViewSize);
AnimationFrame colorAnimationFrame = Animation.AnimationFrameForTime(time) as AnimationFrame;
var nativeColor = colorAnimationFrame.frameColor.ToUIColor();
nativeView.BackgroundColor = nativeColor;
return(this);
}
public AnimationFrameBase FrameForTime3D(int time, AnimationFrameBase startKeyFrameBase, AnimationFrameBase endKeyFrameBase)
{
var startKeyFrame = startKeyFrameBase as AnimationFrame;
var endKeyFrame = endKeyFrameBase as AnimationFrame;
AnimationFrame animationFrame = new AnimationFrame();
animationFrame.Transform = new Transform3D();
animationFrame.Transform.M34 = startKeyFrame.Transform.M34;
//if (startKeyFrame.Transform.Translate != null) {
Transform3DTranslate translate = new Transform3DTranslate();
translate.Tx = Animation.TweenValueForStartTime(startKeyFrame.Time, endKeyFrame.Time, startKeyFrame.Transform.Translate.Tx, endKeyFrame.Transform.Translate.Tx, time);
translate.Ty = Animation.TweenValueForStartTime(startKeyFrame.Time, endKeyFrame.Time, startKeyFrame.Transform.Translate.Ty, endKeyFrame.Transform.Translate.Ty, time);
translate.Tz = Animation.TweenValueForStartTime(startKeyFrame.Time, endKeyFrame.Time, startKeyFrame.Transform.Translate.Tz, endKeyFrame.Transform.Translate.Tz, time);
animationFrame.Transform.Translate = translate;
//}
//if (startKeyFrame.Transform.Rotate != null) {
Transform3DRotate rotate = new Transform3DRotate();
rotate.Angle = Animation.TweenValueForStartTime(startKeyFrame.Time, endKeyFrame.Time, startKeyFrame.Transform.Rotate.Angle, endKeyFrame.Transform.Rotate.Angle, time);
rotate.X = Animation.TweenValueForStartTime(startKeyFrame.Time, endKeyFrame.Time, startKeyFrame.Transform.Rotate.X, endKeyFrame.Transform.Rotate.X, time);
rotate.Y = Animation.TweenValueForStartTime(startKeyFrame.Time, endKeyFrame.Time, startKeyFrame.Transform.Rotate.Y, endKeyFrame.Transform.Rotate.Y, time);
rotate.Z = Animation.TweenValueForStartTime(startKeyFrame.Time, endKeyFrame.Time, startKeyFrame.Transform.Rotate.Z, endKeyFrame.Transform.Rotate.Z, time);
animationFrame.Transform.Rotate = rotate;
//}
//if (startKeyFrame.Transform.Scale != null) {
Transform3DScale scale = new Transform3DScale();
scale.Sx = Animation.TweenValueForStartTime(startKeyFrame.Time, endKeyFrame.Time, startKeyFrame.Transform.Scale.Sx, endKeyFrame.Transform.Scale.Sx, time);
scale.Sy = Animation.TweenValueForStartTime(startKeyFrame.Time, endKeyFrame.Time, startKeyFrame.Transform.Scale.Sy, endKeyFrame.Transform.Scale.Sy, time);
scale.Sz = Animation.TweenValueForStartTime(startKeyFrame.Time, endKeyFrame.Time, startKeyFrame.Transform.Scale.Sz, endKeyFrame.Transform.Scale.Sz, time);
animationFrame.Transform.Scale = scale;
//}
return(animationFrame);
}
public Animation HideAnimation(AnimatedView view, int time)
{
var animationFrame = Animation.CountKeyFrames(time);
if (animationFrame == null)
{
return(null);
}
var renderer = Platform.CreateRenderer(view);
Platform.SetRenderer(view, renderer);
nativeView = renderer.ViewGroup.RootView;
AnimationFrame hideAnimationFrame = Animation.AnimationFrameForTime(time) as AnimationFrame;
nativeView.Visibility = hideAnimationFrame.Visibility;
return(this);
}
public Animation ColorAnimation(AnimatedView view, int time)
{
var animationFrame = Animation.CountKeyFrames(time);
if (animationFrame == null)
{
return(null);
}
var renderer = Platform.CreateRenderer(view);
Platform.SetRenderer(view, renderer);
nativeView = renderer.ViewGroup.RootView;
AnimationFrame colorAnimationFrame = Animation.AnimationFrameForTime(time) as AnimationFrame;
nativeView.SetBackgroundColor(colorAnimationFrame.Color);
return(this);
}
public Animation ScaleAnimation(AnimatedView view, int time)
{
var animationFrame = Animation.CountKeyFrames(time);
if (animationFrame == null)
{
return(null);
}
var renderer = Platform.CreateRenderer(view);
Platform.SetRenderer(view, renderer);
nativeView = renderer.ViewGroup.RootView;
AnimationFrame scaleAnimationFrame = Animation.AnimationFrameForTime(time) as AnimationFrame;
float scale = scaleAnimationFrame.Scale;
//nativeView.Transform = CGAffineTransform.MakeScale (scale, scale);
return(this);
}
public AnimationFrameBase FrameForTimeColor(int time, AnimationFrameBase startKeyFrameBase, AnimationFrameBase endKeyFrameBase)
{
var startKeyFrame = startKeyFrameBase as AnimationFrame;
var endKeyFrame = endKeyFrameBase as AnimationFrame;
AnimationFrame animationFrame = new AnimationFrame();
float startRed = 0.0f, startBlue = 0.0f, startGreen = 0.0f, startAlpha = 0.0f;
float endRed = 0.0f, endBlue = 0.0f, endGreen = 0.0f, endAlpha = 0.0f;
if (GetRed(startRed, startGreen, startBlue, startAlpha, startKeyFrame.frameColor.ToUIColor()) &&
GetRed(endRed, endGreen, endBlue, endAlpha, endKeyFrame.frameColor.ToUIColor()))
{
float red = Animation.TweenValueForStartTime(startKeyFrame.Time, endKeyFrame.Time, startRed, endRed, time);
float green = Animation.TweenValueForStartTime(startKeyFrame.Time, endKeyFrame.Time, startGreen, endGreen, time);
float blue = Animation.TweenValueForStartTime(startKeyFrame.Time, endKeyFrame.Time, startBlue, endBlue, time);
float alpha = Animation.TweenValueForStartTime(startKeyFrame.Time, endKeyFrame.Time, startAlpha, endAlpha, time);
animationFrame.frameColor = Xamarin.Forms.Color.FromRgba(red, green, blue, alpha);
}
return(animationFrame);
}
public AnimationFrameBase FrameForTimeColor(int time, AnimationFrameBase startKeyFrameBase, AnimationFrameBase endKeyFrameBase)
{
var startKeyFrame = startKeyFrameBase as AnimationFrame;
var endKeyFrame = endKeyFrameBase as AnimationFrame;
AnimationFrame animationFrame = new AnimationFrame();
int startRed = 0, startBlue = 0, startGreen = 0, startAlpha = 0;
int endRed = 0, endBlue = 0, endGreen = 0, endAlpha = 0;
if (GetRGBA(out startRed, out startGreen, out startBlue, out startAlpha, startKeyFrame.Color) &&
GetRGBA(out endRed, out endGreen, out endBlue, out endAlpha, endKeyFrame.Color))
{
int red = (int)(Animation.TweenValueForStartTime(startKeyFrame.Time, endKeyFrame.Time, startRed, endRed, time));
int green = (int)(Animation.TweenValueForStartTime(startKeyFrame.Time, endKeyFrame.Time, startGreen, endGreen, time));
int blue = (int)(Animation.TweenValueForStartTime(startKeyFrame.Time, endKeyFrame.Time, startBlue, endBlue, time));
int alpha = (int)(Animation.TweenValueForStartTime(startKeyFrame.Time, endKeyFrame.Time, startAlpha, endAlpha, time));
animationFrame.Color = Android.Graphics.Color.Argb(alpha, red, green, blue);
}
return(animationFrame);
}