void DrawImageForPrint(object sender, PrintPageEventArgs e)
{
// Create the output settins
SurfaceOutputSettings printOutputSettings = new SurfaceOutputSettings(OutputFormat.png, 100, false);
ApplyEffects(printOutputSettings);
Image image;
bool disposeImage = ImageOutput.CreateImageFromSurface(surface, printOutputSettings, out image);
try {
ContentAlignment alignment = conf.OutputPrintCenter ? ContentAlignment.MiddleCenter : ContentAlignment.TopLeft;
// prepare timestamp
float footerStringWidth = 0;
float footerStringHeight = 0;
string footerString = null; //DateTime.Now.ToLongDateString() + " " + DateTime.Now.ToLongTimeString();
if (conf.OutputPrintFooter)
{
footerString = FilenameHelper.FillPattern(conf.OutputPrintFooterPattern, captureDetails, false);
using (Font f = new Font(FontFamily.GenericSansSerif, 10, FontStyle.Regular)) {
footerStringWidth = e.Graphics.MeasureString(footerString, f).Width;
footerStringHeight = e.Graphics.MeasureString(footerString, f).Height;
}
}
// Get a rectangle representing the printable Area
RectangleF pageRect = e.PageSettings.PrintableArea;
if (e.PageSettings.Landscape)
{
float origWidth = pageRect.Width;
pageRect.Width = pageRect.Height;
pageRect.Height = origWidth;
}
// Subtract the dateString height from the available area, this way the area stays free
pageRect.Height -= footerStringHeight;
GraphicsUnit gu = GraphicsUnit.Pixel;
RectangleF imageRect = image.GetBounds(ref gu);
// rotate the image if it fits the page better
if (conf.OutputPrintAllowRotate)
{
if ((pageRect.Width > pageRect.Height && imageRect.Width < imageRect.Height) || (pageRect.Width < pageRect.Height && imageRect.Width > imageRect.Height))
{
image.RotateFlip(RotateFlipType.Rotate90FlipNone);
imageRect = image.GetBounds(ref gu);
if (alignment.Equals(ContentAlignment.TopLeft))
{
alignment = ContentAlignment.TopRight;
}
}
}
RectangleF printRect = new RectangleF(0, 0, imageRect.Width, imageRect.Height);
// scale the image to fit the page better
if (conf.OutputPrintAllowEnlarge || conf.OutputPrintAllowShrink)
{
SizeF resizedRect = ScaleHelper.GetScaledSize(imageRect.Size, pageRect.Size, false);
if ((conf.OutputPrintAllowShrink && resizedRect.Width < printRect.Width) || conf.OutputPrintAllowEnlarge && resizedRect.Width > printRect.Width)
{
printRect.Size = resizedRect;
}
}
// align the image
printRect = ScaleHelper.GetAlignedRectangle(printRect, new RectangleF(0, 0, pageRect.Width, pageRect.Height), alignment);
if (conf.OutputPrintFooter)
{
//printRect = new RectangleF(0, 0, printRect.Width, printRect.Height - (dateStringHeight * 2));
using (Font f = new Font(FontFamily.GenericSansSerif, 10, FontStyle.Regular)) {
e.Graphics.DrawString(footerString, f, Brushes.Black, pageRect.Width / 2 - (footerStringWidth / 2), pageRect.Height);
}
}
e.Graphics.DrawImage(image, printRect, imageRect, GraphicsUnit.Pixel);
} finally {
if (disposeImage && image != null)
{
image.Dispose();
image = null;
}
}
}