public InternalGraphicsState(XGraphics gfx, XGraphicsContainer container)
{
this.gfx = gfx;
container.InternalState = this;
//#if GDI
// //GdiGraphicsState = container.GdiState;
// this.gfx = gfx;
// container.InternalState = this;
//#endif
//#if WPF
// this.gfx = gfx;
// container.InternalState = this;
//#endif
}
public InternalGraphicsState(XGraphics gfx, XGraphicsContainer container)
{
this.gfx = gfx;
container.InternalState = this;
//#if GDI
// //GdiGraphicsState = container.GdiState;
// this.gfx = gfx;
// container.InternalState = this;
//#endif
//#if WPF
// this.gfx = gfx;
// container.InternalState = this;
//#endif
}
/// <summary>
/// Closes the current graphics container and restores the state of this XGraphics
/// to the state saved by a call to the BeginContainer method.
/// </summary>
public void EndContainer(XGraphicsContainer container)
{
if (container == null)
throw new ArgumentNullException("container");
this.gsStack.Restore(container.InternalState);
#if GDI
if (this.targetContext == XGraphicTargetContext.GDI)
this.gfx.Restore(container.GdiState);
#endif
#if WPF
// nothing to do
#endif
this.transform = container.InternalState.Transform;
if (this.renderer != null)
this.renderer.EndContainer(container);
}
/// <summary>
/// Saves a graphics container with the current state of this XGraphics and
/// opens and uses a new graphics container.
/// </summary>
public XGraphicsContainer BeginContainer(XRect dstrect, XRect srcrect, XGraphicsUnit unit)
{
// TODO: unit
if (unit != XGraphicsUnit.Point)
throw new ArgumentException("The current implementation supports XGraphicsUnit.Point only.", "unit");
XGraphicsContainer xContainer = null;
#if GDI
if (this.targetContext == XGraphicTargetContext.GDI)
xContainer = new XGraphicsContainer(this.gfx.Save());
#endif
#if WPF
if (this.targetContext == XGraphicTargetContext.WPF)
xContainer = new XGraphicsContainer();
#endif
InternalGraphicsState iState = new InternalGraphicsState(this, xContainer);
iState.Transform = this.transform;
this.gsStack.Push(iState);
if (this.renderer != null)
this.renderer.BeginContainer(xContainer, dstrect, srcrect, unit);
XMatrix matrix = new XMatrix(); //XMatrix.Identity;
#if true
double scaleX = dstrect.Width / srcrect.Width;
double scaleY = dstrect.Height / srcrect.Height;
matrix.TranslatePrepend(-srcrect.X, -srcrect.Y);
matrix.ScalePrepend(scaleX, scaleY);
matrix.TranslatePrepend(dstrect.X / scaleX, dstrect.Y / scaleY);
#else
matrix.Translate(-dstrect.X, -dstrect.Y);
matrix.Scale(dstrect.Width / srcrect.Width, dstrect.Height / srcrect.Height);
matrix.Translate(srcrect.X, srcrect.Y);
#endif
AddTransform(matrix, XMatrixOrder.Prepend);
return xContainer;
}
public InternalGraphicsState(XGraphics gfx, XGraphicsContainer container)
{
_gfx = gfx;
container.InternalState = this;
}
public InternalGraphicsState(XGraphics gfx, XGraphicsContainer container)
{
_gfx = gfx;
container.InternalState = this;
}
/// <summary>
/// Closes the current graphics container and restores the state of this XGraphics
/// to the state saved by a call to the BeginContainer method.
/// </summary>
public void EndContainer(XGraphicsContainer container)
{
if (container == null)
throw new ArgumentNullException("container");
this.gsStack.Restore(container.InternalState);
//this.gfx.EndContainer(container.GdipState);
this.gfx.Restore(container.GdipState);
this.transform = container.InternalState.Transform;
if (this.renderer != null)
this.renderer.EndContainer(container);
}
/// <summary>
/// Saves a graphics container with the current state of this XGraphics and
/// opens and uses a new graphics container.
/// </summary>
public XGraphicsContainer BeginContainer(XRect dstrect, XRect srcrect, XGraphicsUnit unit)
{
// TODO: unit
if (unit != XGraphicsUnit.Point)
throw new ArgumentException("The current implementation supports XGraphicsUnit.Point only.", "unit");
#if true
XGraphicsContainer xContainer = new XGraphicsContainer(this.gfx.Save());
InternalGraphicsState iState = new InternalGraphicsState(xContainer);
iState.Transform = this.transform;
this.gsStack.Push(iState);
if (this.renderer != null)
this.renderer.BeginContainer(xContainer, dstrect, srcrect, unit);
XMatrix matrix = XMatrix.Identity;
#if true
double scaleX = dstrect.Width / srcrect.Width;
double scaleY = dstrect.Height / srcrect.Height;
matrix.Translate(-srcrect.X, -srcrect.Y);
matrix.Scale(scaleX, scaleY);
matrix.Translate(dstrect.X / scaleX, dstrect.Y / scaleY);
#else
matrix.Translate(-dstrect.X, -dstrect.Y);
matrix.Scale(dstrect.Width / srcrect.Width, dstrect.Height / srcrect.Height);
matrix.Translate(srcrect.X, srcrect.Y);
#endif
Transform = matrix;
return xContainer;
#else
XGraphicsContainer container = new XGraphicsContainer(this.gfx.BeginContainer(dstrect, srcrect, this.gfx.PageUnit));
container.Transform = this.transform;
if (this.renderer != null)
this.renderer.BeginContainer(container, dstrect, srcrect, unit);
return container;
#endif
}
public InternalGraphicsState(XGraphicsContainer container)
{
//GdipGraphicsContainer = container.GdipContainer;
GdipGraphicsState = container.GdipState;
container.InternalState = this;
}
