public BasicLayoutRenderInfo(IViewDescription viewDescription)
{
double val1 = viewDescription.ViewportWidth / viewDescription.ViewWidth;
double val2 = viewDescription.ViewportHeight / viewDescription.ViewHeight;
if (DxfUtil.IsSaneNotZero(val1) && DxfUtil.IsSaneNotZero(val2))
{
this.ModelToLayoutScaling = System.Math.Min(val1, val2);
Vector2D vector2D = val1 > val2 ? new Vector2D(0.5 * val2 / val1 * viewDescription.ViewportWidth, 0.5 * viewDescription.ViewportHeight) : new Vector2D(0.5 * viewDescription.ViewportWidth, 0.5 * val1 / val2 * viewDescription.ViewportHeight);
WW.Math.Point2D viewportCenter = (WW.Math.Point2D)viewDescription.ViewportCenter;
this.LayoutViewport = new Bounds2D(viewportCenter - vector2D, viewportCenter + vector2D);
this.ModelToLayoutTransform = Transformation4D.Translation((WW.Math.Vector3D)viewDescription.ViewportCenter) * Transformation4D.Scaling(this.ModelToLayoutScaling) * ViewUtil.GetBasicModelToViewportTransform(viewDescription) * Transformation4D.Translation(-(WW.Math.Vector3D)viewDescription.ViewportCenter);
}
else
{
this.LayoutViewport = new Bounds2D();
this.ModelToLayoutTransform = Matrix4D.Identity;
this.ModelToLayoutScaling = 0.0;
}
}
public DxfLayout.PlotInfo GetPlotInfo(
double paperWidth,
double paperHeight,
Rectangle2D printArea,
bool autoRotate,
bool invertY)
{
DxfLayout.BasicLayoutRenderInfo layoutRenderInfo = this.method_8();
if (!layoutRenderInfo.LayoutViewport.Initialized)
{
return((DxfLayout.PlotInfo)null);
}
Bounds2D layoutViewport = layoutRenderInfo.LayoutViewport;
Matrix4D matrix4D1 = Matrix4D.Identity;
double num1 = layoutViewport.Delta.X;
double num2 = layoutViewport.Delta.Y;
if (autoRotate && (printArea.Width > printArea.Height && num1 < num2 || printArea.Width < printArea.Height && num1 > num2))
{
PlotRotation plotRotation1 = PlotRotation.None;
PlotRotation plotRotation2;
PlotRotation plotRotation3;
switch (this.PlotRotation)
{
case PlotRotation.None:
plotRotation2 = PlotRotation.QuarterCounterClockwise;
plotRotation3 = PlotRotation.QuarterCounterClockwise;
goto label_10;
case PlotRotation.QuarterCounterClockwise:
plotRotation2 = PlotRotation.QuarterClockwise;
plotRotation3 = PlotRotation.QuarterClockwise;
break;
case PlotRotation.Half:
plotRotation2 = PlotRotation.QuarterClockwise;
plotRotation3 = PlotRotation.QuarterClockwise;
break;
case PlotRotation.QuarterClockwise:
plotRotation2 = PlotRotation.QuarterCounterClockwise;
plotRotation3 = PlotRotation.QuarterCounterClockwise;
goto label_10;
default:
switch (plotRotation1)
{
case PlotRotation.QuarterCounterClockwise:
goto label_10;
case PlotRotation.QuarterClockwise:
break;
default:
goto label_11;
}
}
matrix4D1 = Transformation4D.RotateZ(invertY ? System.Math.PI / 2.0 : -1.0 * System.Math.PI / 2.0);
goto label_11;
label_10:
matrix4D1 = Transformation4D.RotateZ(invertY ? -1.0 * System.Math.PI / 2.0 : System.Math.PI / 2.0);
label_11:
num1 = layoutViewport.Delta.Y;
num2 = layoutViewport.Delta.X;
}
double s = System.Math.Min(printArea.Width / num1, printArea.Height / num2);
if (!DxfUtil.IsSaneNotZero(s))
{
return((DxfLayout.PlotInfo)null);
}
Matrix4D matrix4D2 = Transformation4D.Translation(printArea.Center.X, printArea.Center.Y, 0.0) * Transformation4D.Scaling(s) * matrix4D1 * Transformation4D.Translation(-layoutViewport.Center.X, -layoutViewport.Center.Y, 0.0);
WW.Math.Point3D point3D1 = matrix4D2.Transform(new WW.Math.Point3D(layoutViewport.Corner1, 0.0));
WW.Math.Point3D point3D2 = matrix4D2.Transform(new WW.Math.Point3D(layoutViewport.Corner2, 0.0));
return(new DxfLayout.PlotInfo(this, new Size2D(paperWidth, paperHeight), new Rectangle2D(System.Math.Min(point3D1.X, point3D2.X), System.Math.Min(point3D1.Y, point3D2.Y), System.Math.Max(point3D1.X, point3D2.X), System.Math.Max(point3D1.Y, point3D2.Y)), matrix4D2 * layoutRenderInfo.ModelToLayoutTransform, s * layoutRenderInfo.ModelToLayoutScaling));
}
