public AffineTransform(AffineTransform copyFrom)
{
sx = copyFrom.sx;
shy = copyFrom.shy;
shx = copyFrom.shx;
sy = copyFrom.sy;
tx = copyFrom.tx;
ty = copyFrom.ty;
}
public override void DrawText(Image i, BoundingBox clip, AffineTransform trans, string s, Font f, Vec2 Loc, Pixel p)
{
f.Render(i, clip, trans, s, Loc, p);
}
public void Scaling(out double x, out double y)
{
double x1 = 0.0;
double y1 = 0.0;
double x2 = 1.0;
double y2 = 1.0;
AffineTransform t = new AffineTransform(this);
t *= NewRotation(-Rotation());
t.Transform(ref x1, ref y1);
t.Transform(ref x2, ref y2);
x = x2 - x1;
y = y2 - y1;
}
public static AffineTransform NewIdentity()
{
AffineTransform newAffine = new AffineTransform(1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
return newAffine;
}
public static AffineTransform operator *(AffineTransform a, AffineTransform b)
{
AffineTransform temp = new AffineTransform(a);
temp.Multiply(b);
return temp;
}
void Multiply(AffineTransform m)
{
double t0 = sx * m.sx + shy * m.shx;
double t2 = shx * m.sx + sy * m.shx;
double t4 = tx * m.sx + ty * m.shx + m.tx;
shy = sx * m.shy + shy * m.sy;
sy = shx * m.shy + sy * m.sy;
ty = tx * m.shy + ty * m.sy + m.ty;
sx = t0;
shx = t2;
tx = t4;
}
public abstract void Render(Image i, BoundingBox clip, AffineTransform trans, string text, Vec2 loc, Pixel color);
/// <summary> /// Draw the specified Text, using the specified Font, /// in the specified Color, within the specified Bounds, /// at the specified Location, and on the specified image, /// making sure to take the transform into account. /// </summary> /// <param name="i">The Image to draw on.</param> /// <param name="clip">The BoundingBox to clip to.</param> /// <param name="trans">The Transform to apply.</param> /// <param name="s">The String to draw.</param> /// <param name="f">The Font to draw in.</param> /// <param name="Loc">The Location to draw at.</param> /// <param name="p">The Color to draw in.</param> public abstract void DrawText(Image i, BoundingBox clip, AffineTransform trans, String s, Font f, Vec2 Loc, Pixel p);
public static AffineTransform NewIdentity()
{
AffineTransform newAffine = new AffineTransform(1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
return(newAffine);
}
