/// <summary>Handles creating a previewform for the UserTrace image and its big big subroutine</summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void PreviewPictureBox_Click(object sender, MouseEventArgs e)
{
if (e.Button != MouseButtons.Right && e.Button != MouseButtons.Left)
{
return;
}
fromPreviewPane = true;
//If the usertrace is empty, just show it anyways.
if (MyTrace.AllUsers.Count == 0 && e.Button == MouseButtons.Right)
{
UsersContextMenu.Show(PreviewPictureBox, e.Location); fromPreviewPane = false; return;
}
//Let's find the top right corner of the image.
Size ImageSize = PreviewPictureBox.Image.Size;
Size BoxSize = PreviewPictureBox.Size;
Size RealImageSize = PreviewPictureBox.Size;
int PictureX = 0;
int PictureY = 0;
double scale = 1;
//Get the aspect ratio of the picturebox and image.
double BoxWidthToHeight = (BoxSize.Width + 0.0) / (BoxSize.Height + 0.0);
double ImageWidthToHeight = (ImageSize.Width + 0.0) / (ImageSize.Height + 0.0);
if (ImageSize.Equals(BoxSize))
{
//do nothing the thing is set.
}
else if (ImageWidthToHeight > BoxWidthToHeight)
{
//Find the correct Y
//It's wider than it's tall
//determine the scale
scale = (ImageSize.Width + 0.0) / (BoxSize.Width + 0.0);
//Determine the size of the image on screen
RealImageSize = new Size(Convert.ToInt32(ImageSize.Width / scale), Convert.ToInt32(ImageSize.Height / scale));
//Now determine the correct Y
PictureY = (BoxSize.Height - RealImageSize.Height) / 2;
}
else
{
//It's taller than it's wide
//find the correct X
//Determine the scale
scale = (ImageSize.Height + 0.0) / (BoxSize.Height + 0.0);
//Determine the size of the image on screen
RealImageSize = new Size(Convert.ToInt32(ImageSize.Width / scale), Convert.ToInt32(ImageSize.Height / scale));
//Now determine the correct X
PictureX = (BoxSize.Width - RealImageSize.Width) / 2;
}
//OK now that we know where the picture is and its size.
//Now we have to translate the point that we clicked on to a point on the image.
//first lets determine if we're in or out of the rectangle that contains the image.
Rectangle ImageRectangle = new Rectangle(PictureX, PictureY, RealImageSize.Width, RealImageSize.Height);
//If it isn't then oh my god we've literally done everything
if (!ImageRectangle.Contains(e.Location))
{
fromPreviewPane = false; return;
}
//Convert
//subtract PictureX and Picture Y from the click position.
int ClickPointX = e.X - PictureX;
int ClickPointY = e.Y - PictureY;
//now scale it.
ClickPointX = Convert.ToInt32(ClickPointX * scale);
ClickPointY = Convert.ToInt32(ClickPointY * scale);
User ColideUser = null;
foreach (User U in MyTrace.AllUsers)
{
//Create a rectangle that's going to represent this user.
if (new Rectangle(U.DrawnX, U.DrawnY, U.Width(), U.Height()).Contains(ClickPointX, ClickPointY))
{
ColideUser = U;
break;
}
}
if (!(ColideUser is null))
{
//lets draw algo:
using (Pen T = new Pen(new SolidBrush(Color.Red), 10))
using (Graphics GRD = Graphics.FromImage(PreviewPictureBox.Image)) { GRD.DrawRectangle(T, ColideUser.DrawnX, ColideUser.DrawnY, ColideUser.Width(), ColideUser.Height()); }
PreviewPictureBox.Refresh();
using (Pen T = new Pen(new SolidBrush(Color.Black), 10))
using (Graphics GRD = Graphics.FromImage(PreviewPictureBox.Image)) { GRD.DrawRectangle(T, ColideUser.DrawnX, ColideUser.DrawnY, ColideUser.Width(), ColideUser.Height()); }
UserListView.Items[MyTrace.AllUsers.IndexOf(ColideUser)].Selected = true;
if (e.Button == MouseButtons.Left)
{
EditButton_Click(PreviewPictureBox, new EventArgs());
}
if (e.Button == MouseButtons.Right)
{
UsersContextMenu.Show(PreviewPictureBox, e.Location);
}
}
private void PageTrackBar_Scroll(object sender, EventArgs e)
{
PreviewPictureBox.ShowPage(PageTrackBar.Value);
}