/// <summary>
/// Save the current drawing to a PNG image
/// </summary>
/// <param name="filename">The filepath where the PNG should be saved</param>
private void saveToPNG(string filename)
{
saveImg = new Bitmap((int)g.VisibleClipBounds.Width, (int)g.VisibleClipBounds.Height);
Graphics tempg = Graphics.FromImage(saveImg);
if (settings.saveBgPNG)
{
tempg.Clear(this.BackColor);
}
tempg.SmoothingMode = (settings.antiAlias) ? SmoothingMode.AntiAlias : SmoothingMode.None;
for (int i = 0; i < path.Count; i++)
{
pathEvent point = path[i];
if (point.eventType == 0)
{
pen.Color = Color.FromArgb(point.penColor); // We just needed the pen color from this first point
continue;
}
lastPoint = path[i - 1].coor;
thisPoint = point.coor;
pen.Width = point.penSize;
if (point.eventType == 2)
{
tempg.DrawLine(pen, lastPoint, thisPoint);
}
}
saveImg.Save(filename);
}
private void Form1_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left && doDraw == false && !isDrawing)
{
short waitTime = 0;
if (mouseUp)
{
TimeSpan ts = (DateTime.Now - start);
waitTime = (short)ts.TotalMilliseconds;
if (waitTime > 1500)
{
waitTime = 1500;
}
}
start = DateTime.Now;
pathEvent point = new pathEvent()
{
eventType = 0,
coor = e.Location,
wait = waitTime,
penSize = (byte)pen.Width,
penColor = pen.Color.ToArgb()
};
path.Add(point);
listBox1.Items.Add("0: " + e.X + "x" + e.Y + ", " + waitTime + ", " + pen.Width);
listBox1.SelectedIndex = listBox1.Items.Count - 1;
thisPoint = e.Location;
doDraw = true;
}
}
private void Form1_MouseUp(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left && doDraw == true)
{
pathEvent point = new pathEvent()
{
eventType = 1,
coor = e.Location,
wait = 0,
penSize = (byte)pen.Width
};
path.Add(point);
listBox1.Items.Add("1: " + e.X + "x" + e.Y + ", 0, " + pen.Width);
listBox1.SelectedIndex = listBox1.Items.Count - 1;
doDraw = false;
mouseUp = true;
}
}
private void Form1_MouseMove(object sender, MouseEventArgs e)
{
if (doDraw)
{
lastPoint = thisPoint;
thisPoint = new Point(e.X, e.Y);
g.DrawLine(pen, lastPoint, thisPoint);
TimeSpan ts = (DateTime.Now - start);
start = DateTime.Now;
pathEvent spot = new pathEvent()
{
eventType = 2,
coor = e.Location,
wait = (short)ts.TotalMilliseconds,
penSize = (byte)pen.Width
};
path.Add(spot);
listBox1.Items.Add("2: " + e.X + "x" + e.Y + ", " + ts.TotalMilliseconds + ", " + pen.Width);
listBox1.SelectedIndex = listBox1.Items.Count - 1;
if (!saveToolStripMenuItem.Enabled)
{
saveToolStripMenuItem.Enabled = true;
}
if (!saveToPNGToolStripMenuItem.Enabled)
{
saveToPNGToolStripMenuItem.Enabled = true;
}
if (!redrawToolStripMenuItem.Enabled)
{
redrawToolStripMenuItem.Enabled = true;
}
if (!clearToolStripMenuItem.Enabled)
{
clearToolStripMenuItem.Enabled = true;
}
}
}
/// <summary>
/// Redraws the current drawing
/// </summary>
/// <param name="backColor">Background color for the drawing</param>
/// <param name="fastDraw">True to do an instant draw, false to wait between points</param>
private void reDraw(int backColor, bool fastDraw)
{
stopDrawingToolStripMenuItem.Visible = true;
redrawToolStripMenuItem.Visible = false;
this.ContextMenuStrip = null;
stop = false;
g.Clear(Color.FromArgb(backColor));
for (int i = 0; i < path.Count; i++)
{
if (!stop)
{
pathEvent point = path[i];
if (point.eventType == 0)
{
pen.Color = Color.FromArgb(point.penColor); // We just needed the pen color from this first point
if (!fastDraw)
{
System.Threading.Thread.Sleep(point.wait);
}
continue;
}
lastPoint = path[i - 1].coor;
thisPoint = point.coor;
pen.Width = point.penSize;
tslblPenSize.Text = "Pen Size: " + pen.Width;
listBox1.SelectedIndex = i;
if (point.eventType == 2)
{
g.DrawLine(pen, lastPoint, thisPoint);
}
if (!fastDraw)
{
System.Threading.Thread.Sleep(point.wait);
}
Application.DoEvents();
}
}
stopDrawingToolStripMenuItem.Visible = false;
redrawToolStripMenuItem.Visible = true;
this.ContextMenuStrip = contextMenuStrip1;
stop = true;
if (!saveToolStripMenuItem.Enabled)
{
saveToolStripMenuItem.Enabled = true;
}
if (!saveToPNGToolStripMenuItem.Enabled)
{
saveToPNGToolStripMenuItem.Enabled = true;
}
if (!redrawToolStripMenuItem.Enabled)
{
redrawToolStripMenuItem.Enabled = true;
}
if (!clearToolStripMenuItem.Enabled)
{
clearToolStripMenuItem.Enabled = true;
}
}
/// <summary>
/// Opens a DRAW file
/// </summary>
/// <param name="filename">The filepath of the DRAW file to be opened</param>
private void openDrawing(string filename)
{
path.Clear();
listBox1.Items.Clear();
FileStream fs = new FileStream(filename, FileMode.Open, FileAccess.Read);
BinaryReader br = new BinaryReader(fs);
// Read header
if (br.ReadInt32() != 1463898692) // Confirm DRAW header
{
MessageBox.Show("Error: Not a valid DRAW file.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
byte version = br.ReadByte(); // Read the version
if (br.ReadByte() != 12) // read the entry length
{
MessageBox.Show("Error: Invalid entry length", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
short numEntries = br.ReadInt16(); // self explanatory
int backColor = br.ReadInt32();
settings.backColor = backColor;
settings.Save();
this.BackColor = Color.FromArgb(backColor);
// Read entries
listBox1.BeginUpdate();
for (short i = 0; i < numEntries; i++)
{
byte eventType = br.ReadByte();
pathEvent point = new pathEvent()
{
eventType = eventType,
coor = new Point(br.ReadInt16(), br.ReadInt16()),
wait = br.ReadInt16(),
penSize = br.ReadByte(),
penColor = (eventType == 0) ? br.ReadInt32() : pen.Color.ToArgb()
};
if (eventType != 0)
{
br.BaseStream.Position += 4;
}
path.Add(point);
listBox1.Items.Add(point.coor.X + "x" + point.coor.Y + ", " + point.wait + ", " + point.penSize);
listBox1.SelectedIndex = listBox1.Items.Count - 1;
}
listBox1.EndUpdate();
br.Close();
fs.Close();
isDrawing = true;
reDraw(backColor, settings.fastRedraw);
isDrawing = false;
}
