private void OnSaveButtonClick(object sender, EventArgs e)
{
List <Duple <ILineItem, float> > oldThicknesses = new List <Duple <ILineItem, float> >();
bool exception = false;
bool oldPenWidthScaled = m_Mp.IsPenWidthScaled;
try
{
float dpi = (float)m_DpiUpDown.Value;
m_Mp.m_Dpi = dpi;
if (dpi > 96)
{
m_Mp.IsPenWidthScaled = true;
}
float widthInUnknownUnits = (float)m_WidthUpDown.Value;
float heightInUnknownUnits = (float)m_HeightUpDown.Value;
bool isInInches = m_InchesRadio.Checked;
float scaleFactor;
if (isInInches)
{
scaleFactor = 1;
}
else
{
scaleFactor = 0.393700787f;
}
float widthInInches = widthInUnknownUnits * scaleFactor;
float heightInInches = heightInUnknownUnits * scaleFactor;
Size pixelDimensions = new Size((int)(widthInInches * dpi + 0.5), (int)(heightInInches * dpi + 0.5));
//int lineWidth = (int)m_LineWidthUpDown.Value;
//foreach (GraphPane gp in m_Mp.PaneList)
//{
// foreach (CurveItem ci in gp.CurveList)
// {
// if (ci is ILineItem)
// {
// float oldThickness = ((ILineItem)ci).Thickness;
// if (oldThickness < lineWidth)
// {
// oldThicknesses.Add(new Duple<ILineItem, float>((ILineItem)ci, oldThickness));
// ((ILineItem)ci).Thickness = lineWidth;
// }
// }
// }
//}
SaveFileDialog saveDlg = new SaveFileDialog();
saveDlg.Filter = "PNG Format (*.png)|*.png|" +
"Gif Format (*.gif)|*.gif|" +
"Jpeg Format (*.jpg)|*.jpg|" +
"Tiff Format (*.tif)|*.tif|" +
"Bmp Format (*.bmp)|*.bmp";
if (saveDlg.ShowDialog() != DialogResult.OK)
{
return;
}
ImageFormat format = ImageFormat.Png;
if (saveDlg.FilterIndex == 2)
{
format = ImageFormat.Gif;
}
else if (saveDlg.FilterIndex == 3)
{
format = ImageFormat.Jpeg;
}
else if (saveDlg.FilterIndex == 4)
{
format = ImageFormat.Tiff;
}
else if (saveDlg.FilterIndex == 5)
{
format = ImageFormat.Bmp;
}
Stream myStream = saveDlg.OpenFile();
if (myStream != null)
{
using (Image i = m_Mp.GetImage(pixelDimensions.Width, pixelDimensions.Height, dpi))
{
i.Save(myStream, format);
}
myStream.Close();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
exception = true;
}
finally
{
m_Mp.m_Dpi = 72;
m_Mp.IsPenWidthScaled = oldPenWidthScaled;
foreach (Duple <ILineItem, float> curveAndThickness in oldThicknesses)
{
curveAndThickness.Item1.Thickness = curveAndThickness.Item2;
}
if (!exception)
{
Close();
}
}
}