void AfterRender(string page, Canvas cav, Graphics g)
{
if (page == "1")
{
g.FillEllipse(new SolidBrush(Color.Red), new Rectangle(10, 10, 30, 30));
}
else if (page == "2")
{
g.FillEllipse(new SolidBrush(Color.Green), new Rectangle(10, 10, 30, 30));
}
else if (page == "3")
{
g.DrawLine(new Pen(Color.Red), 0, 0, 100, 100);
}
}
void BeforeRender(string page, Canvas cav, Graphics g)
{
if (page == "1")
{
Canvas.TextBox t = cav.FindItem("TIME") as Canvas.TextBox;
if (t != null) t.Text = DateTime.Now.ToString("hh:mm:ss");
}
if (page == "2")
{
Canvas.PicBox pic = cav.FindItem("PIC") as Canvas.PicBox;
switch (DateTime.Now.Second % 2)
{
case 0: pic.Image = img1; break;
case 1: pic.Image = img2; break;
}
}
g.Clear(Color.Blue);
}
static public void AssignCanvas(int Index,Canvas cav)
{
lock (cav)
{
switch (CardType)
{
case 1:
case 3:
Graphics g = GetGraphics(Index);
cav.Draw(g, 0, 0,1);
break;
}
}
}
void InitCanvas()
{
cav = new Canvas(128, 64);
Canvas.FillRect r1=new Canvas.FillRect(0, 0, 128, 64, Color.Green);
cav.AddItem(0, r1 );
Canvas.FillRect r2 = new Canvas.FillRect(10, 10, 80, 40, Color.Gray);
r2.Flush = true;
cav.AddItem(0, r2);
pic = new Canvas.PicBox(32, 0, 64, 64);
cav.AddItem(0, pic);
Canvas.FillEllipse e1=new Canvas.FillEllipse(20, 10, 20, 20, Color.Yellow);
cav.AddItem(0,e1 );
Canvas.FillEllipse e2=new Canvas.FillEllipse(21, 11, 18, 18, Color.Red);
e2.Flush = true;
cav.AddItem(0,e2 );
txTime = new Canvas.TextBox(10, 10, 100,40,"", "宋体", 9, Color.Black);
txTime.Wrap = true;
cav.AddItem(0, txTime);
//test = new TestItem(50,40);
//cav.AddItem(0, test);
}
void AfterPageRender(Canvas cav, Graphics g)
{
if (AfterRender != null)
AfterRender(Pages.Keys.ToArray()[curPage], cav, g);
}
void BeforePageRender(Canvas cav, Graphics g)
{
if (BeforeRender != null)
BeforeRender(Pages.Keys.ToArray()[curPage], cav, g);
}