private void SaveDrawing()
{
Bitmap pasPerdre = new Bitmap(DrawPanel.Width, DrawPanel.Height);
Graphics g = Graphics.FromImage(pasPerdre);
Rectangle rect = DrawPanel.RectangleToScreen(DrawPanel.ClientRectangle);
g.CopyFromScreen(rect.Location, Point.Empty, DrawPanel.Size);
g.Dispose();
DrawPanel.BackgroundImage = pasPerdre;
}
private void buttonInvert_Click(object sender, EventArgs e)
{
Bitmap bm = new Bitmap(DrawPanel.Width, DrawPanel.Height);
Graphics graphics = Graphics.FromImage(bm);
System.Drawing.Rectangle rect = DrawPanel.RectangleToScreen(DrawPanel.ClientRectangle);
graphics.CopyFromScreen(rect.Location, Point.Empty, DrawPanel.Size);
graphics = DrawPanel.CreateGraphics();
graphics.DrawImage(Inversion.InvertImage(bm), 0, 0, bm.Width, bm.Height);
bm.Dispose();
graphics.Dispose();
}
private void saveAsToolStripMenuItem_Click(object sender, EventArgs e)
{
Bitmap bm = new Bitmap(DrawPanel.Width, DrawPanel.Height);
Graphics grafics = Graphics.FromImage(bm);
System.Drawing.Rectangle rect = DrawPanel.RectangleToScreen(DrawPanel.ClientRectangle);
grafics.CopyFromScreen(rect.Location, Point.Empty, DrawPanel.Size);
SaveFileDialog save = new SaveFileDialog();
save.Filter = "Png files| *.png| jpeg files| *.jpg| bitmaps| *.bmp";
if (save.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
try
{
if (File.Exists(save.FileName))
{
File.Delete(save.FileName);
}
if (save.FileName.Contains(".jpg"))
{
bm.Save(save.FileName, ImageFormat.Jpeg);
}
else if (save.FileName.Contains(".png"))
{
bm.Save(save.FileName, ImageFormat.Png);
}
else if (save.FileName.Contains(".bmp"))
{
bm.Save(save.FileName, ImageFormat.Bmp);
}
}
catch (Exception ex)
{
MessageBox.Show("File save error : " + ex.Message);
}
}
}
