private void CreateAnimation(SlideInAnimation.SlieInDirection direction, AnimationChar animChar, float finalPosX)
{
//计算与字体相关的参数
int ascent = animChar.Font.FontFamily.GetCellAscent(animChar.Font.Style);
int descent = animChar.Font.FontFamily.GetCellDescent(animChar.Font.Style);
int emHeight = animChar.Font.FontFamily.GetEmHeight(animChar.Font.Style);
float ascentF = ascent * animChar.Font.Size / emHeight;
float descentF = descent * animChar.Font.Size / emHeight;
//计算绘制文字的开始位置
float height = ascentF + descentF;
float locY = (AnimationConfig.Height - height) / 2;
switch (direction)
{
case SlieInDirection.RIGHT:
animChar.SetLocation(AnimationConfig.Width, locY);
animChar.CalcPath(); //计算字体的路径
animChar.Animation = AnimationUtil.CreatePostionAnimation(AnimationConfig.Width, finalPosX, locY, locY);
break;
case SlieInDirection.LEFT:
int width = Convert.ToInt32(animChar.Size.Width);
animChar.SetLocation(-width, locY);
animChar.CalcPath();
animChar.Animation = AnimationUtil.CreatePostionAnimation(-width, finalPosX, locY, locY);
break;
case SlieInDirection.BOTTOM:
animChar.SetLocation(finalPosX, AnimationConfig.Height);
animChar.CalcPath();
animChar.Animation = AnimationUtil.CreatePostionAnimation(finalPosX, finalPosX, AnimationConfig.Height, locY);
break;
case SlieInDirection.TOP:
animChar.SetLocation(finalPosX, -height);
animChar.CalcPath();
animChar.Animation = AnimationUtil.CreatePostionAnimation(finalPosX, finalPosX, -height, locY);
break;
case SlieInDirection.VERBATIM:
animChar.SetLocation(finalPosX, AnimationConfig.Height);
animChar.CalcPath();
animChar.Animation = AnimationUtil.CreateTranslateAnimation(finalPosX, finalPosX, AnimationConfig.Height, locY);
break;
default: //SlieInDirection.RIGHT
animChar.SetLocation(AnimationConfig.Width, locY);
animChar.CalcPath(); //计算字体的路径
animChar.Animation = AnimationUtil.CreatePostionAnimation(AnimationConfig.Width, finalPosX, locY, locY);
break;
}
}
/// <summary>
/// 文字由向左进入动画
/// </summary>
/// <param name="animChar"></param>
public static void CreateRightInAnimation(AnimationChar animChar, float toX)
{
//计算与字体相关的参数
int ascent = animChar.Font.FontFamily.GetCellAscent(animChar.Font.Style);
int descent = animChar.Font.FontFamily.GetCellDescent(animChar.Font.Style);
int emHeight = animChar.Font.FontFamily.GetEmHeight(animChar.Font.Style);
float ascentF = ascent * animChar.Font.Size / emHeight;
float descentF = descent * animChar.Font.Size / emHeight;
//计算绘制文字的开始位置
float locY = (AnimationConfig.Height - (ascentF + descentF)) / 2;
animChar.SetLocation(AnimationConfig.Width, locY);
animChar.CalcPath();//计算字体的路径
animChar.Animation = CreatePostionAnimation(AnimationConfig.Width, toX, locY, locY);
}