public ViewControl()
{
InitializeComponent();
//控制控件闪烁
SetStyle(ControlStyles.AllPaintingInWmPaint, true); //禁止擦除背景
SetStyle(ControlStyles.DoubleBuffer, true); //双缓冲
SetStyle(ControlStyles.UserPaint, true); //自行绘制图片
GraphicsConfig graphicsConfig = new GraphicsConfig();
graphicsConfig.BackColor = BackColor;
graphicsConfig.CorrectColorForBackgroundColor = true;
gdiGraphics3D = new GDIGraphics3D(graphicsConfig);
gdiGraphics3D.EnableDrawablesUpdate();
graphicsCache = new WireframeGraphicsCache(false, true);
graphicsCache.Config = graphicsConfig;
graphicsHelper = new GraphicsHelper(System.Drawing.Color.Blue);
bounds = new Bounds3D();
transformationProvider = new SimpleTransformationProvider3D();
transformationProvider.TransformsChanged += new EventHandler(transformationProvider_TransformsChanged);
panInteractor = new SimplePanInteractor(transformationProvider);
rectZoomInteractor = new SimpleRectZoomInteractor(transformationProvider);
zoomWheelInteractor = new SimpleZoomWheelInteractor(transformationProvider);
rectZoomInteractorDrawable = new SimpleRectZoomInteractor.WinFormsDrawable(rectZoomInteractor);
}
//protected virtual void OnEntitySelected(EntityEventArgs e) {
// if (EntitySelected != null) {
// EntitySelected(this, e);
// }
//}
private Matrix4D CalculateTo2DTransform()
{
if (transformationProvider == null)
transformationProvider = new SimpleTransformationProvider3D();
transformationProvider.ViewWindow = GetClientRectangle2D();
Matrix4D to2DTransform = Matrix4D.Identity;
if (model != null && bounds != null)
{
to2DTransform = transformationProvider.CompleteTransform;
}
//if (gdiGraphics3D == null)
//{
// GraphicsConfig graphicsConfig = new GraphicsConfig();
// graphicsConfig.BackColor = BackColor;
// graphicsConfig.CorrectColorForBackgroundColor = true;
// gdiGraphics3D = new GDIGraphics3D(graphicsConfig);
//}
if (gdiGraphics3D != null)
{
gdiGraphics3D.To2DTransform = to2DTransform;
from2DTransform = gdiGraphics3D.To2DTransform.GetInverse();
}
return to2DTransform;
}
public void initParameter()
{
model=null;
gdiGraphics3D=null;
bounds=null;
//Matrix4D tempfrom2DTransform;
//from2DTransform=tempfrom2DTransform;
//Point tempmouseClickLocation;
//mouseClickLocation=tempmouseClickLocation;
mouseDown=false;
shiftPressed=false;
SetStyle(ControlStyles.AllPaintingInWmPaint, true);
SetStyle(ControlStyles.DoubleBuffer, true);
SetStyle(ControlStyles.UserPaint, true);
GraphicsConfig graphicsConfig = new GraphicsConfig();
//graphicsConfig.BackColor = BackColor;
graphicsConfig.CorrectColorForBackgroundColor = true;
gdiGraphics3D = new GDIGraphics3D(graphicsConfig);
bounds = new Bounds3D();
transformationProvider = new SimpleTransformationProvider3D();
transformationProvider.TransformsChanged += new EventHandler(transformationProvider_TransformsChanged);
panInteractor = new SimplePanInteractor(transformationProvider);
rectZoomInteractor = new SimpleRectZoomInteractor(transformationProvider);
zoomWheelInteractor = new SimpleZoomWheelInteractor(transformationProvider);
rectZoomInteractorDrawable = new SimpleRectZoomInteractor.WinFormsDrawable(rectZoomInteractor);
}
