private void GraffitiForm_Paint(object sender, PaintEventArgs e)
{
drawRulers();
if (this.pQueue.Count == 0)
{
return;
}
object pfirst = this.pQueue.Peek();
foreach (object p in this.pQueue)
{
if (p is Point)
{
if (pfirst is Point)
{
DrawLine(this.lineColor, (Point)pfirst, (Point)p);
}
pfirst = p;
}
if (p is Rectangle)
{
Rectangle rect = (Rectangle)p;
DrawRectangle(this.lineColor, new Point(rect.X, rect.Y), rect.Size);
}
if (p is PointImage)
{
PointImage pi = (PointImage)p;
drawImage(pi.Pic, pi.Rect);
}
}
}
private void insertPicbutton_Click(object sender, EventArgs e)
{
OpenFileDialog openImageDialog = new OpenFileDialog();
openImageDialog.Filter = "图片|*.jpg";
if (openImageDialog.ShowDialog() == DialogResult.OK)
{
Image img = Image.FromFile(openImageDialog.FileName);
Graphics gr = CreateGraphics();
Rectangle rect = Rectangle.Ceiling(gr.VisibleClipBounds);
foreach (object p in this.pQueue)
{
if (p is Rectangle)
{
rect = (Rectangle)p;
}
}
gr.DrawImage(img, rect);
PointImage pi = new PointImage();
pi.Pic = img;
pi.Rect = rect;
pQueue.Enqueue(pi);
}
}