public void MouseMove(View.GraphicView graphicView, System.Drawing.Point startPt, System.Drawing.Point lastPt)
{
int minX = graphicView.Viewport.X, maxX = minX + graphicView.Viewport.Width;
int minY = graphicView.Viewport.Y, maxY = minY + graphicView.Viewport.Height;
lastPt.X = (lastPt.X < minX) ? minX : ((lastPt.X > maxX) ? maxX : lastPt.X);
lastPt.Y = (lastPt.Y < minY) ? minY : ((lastPt.Y > maxY) ? maxY : lastPt.Y);
// Set vertices positions
verts[0].X = startPt.X; verts[0].Y = startPt.Y;
verts[1].X = lastPt.X; verts[1].Y = startPt.Y;
verts[2].X = startPt.X; verts[2].Y = lastPt.Y;
verts[3].X = lastPt.X; verts[3].Y = lastPt.Y;
// Outline...
lineVertices[0] = verts[0];
lineVertices[1] = verts[1];
lineVertices[2] = verts[3];
lineVertices[3] = verts[2];
lineVertices[4] = verts[0];
}
public void PaintLine(Device device, Vector3 iPos, Vector3 jPos)
{
Cull cull = device.RenderState.CullMode;
bool alphaEnable = device.RenderState.AlphaBlendEnable;
device.RenderState.CullMode = Cull.None;
device.RenderState.AlphaBlendEnable = true;
device.RenderState.SourceBlend = Blend.BothSourceAlpha;
device.RenderState.DestinationBlend = Blend.DestinationColor;
Line l1 = GraphicViewManager.Instance.ResourceManager.SnapLines[2];
Line l2 = GraphicViewManager.Instance.ResourceManager.SnapLines[1];
View.GraphicView gv = View.GraphicViewManager.Instance.ActiveView;
gv.Project(ref iPos);
gv.Project(ref jPos);
if (GraphicViewManager.Instance.Layout != GraphicViewManager.ViewportsLayout.OneView)
{
Viewport vp = device.Viewport;
iPos.X -= vp.X;
iPos.Y -= vp.Y;
jPos.X -= vp.X;
jPos.Y -= vp.Y;
}
l1.Begin();
l1.Draw(new Vector2[] { new Vector2(iPos.X, iPos.Y), new Vector2(jPos.X, jPos.Y) }, Color.FromArgb(192, Color.SteelBlue));
l1.End();
l2.Begin();
l2.Draw(new Vector2[] { new Vector2(iPos.X, iPos.Y), new Vector2(jPos.X, jPos.Y) }, Color.FromArgb(128, Color.White));
l2.End();
device.RenderState.AlphaBlendEnable = alphaEnable;
device.RenderState.CullMode = cull;
}
