private byte[] PutOverlayIcon(byte[] previewContent, string mimeType)
{
//decimal ratio = 640.0M / (decimal)img.Width;
//Image zoomed = new Bitmap((int)(ratio * img.Width), (int)(ratio * img.Height));
//using (Graphics g = Graphics.FromImage(zoomed))
//{
// g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
// g.DrawImage(img, new Rectangle(Point.Empty, zoomed.Size), new Rectangle(Point.Empty, img.Size), GraphicsUnit.Pixel);
//}
using (MemoryStream ms = new MemoryStream(previewContent))
{
Image overlayed = Image.FromStream(ms);
bool isHorizontal = overlayed.Width > overlayed.Height;
string overlayPath = "~/Content/images/";
ScanTypeInfo sti = ScansHelper.GetTypeInfo(mimeType);
if (sti.IsPdfDocument)
{
overlayPath = string.Format("{0}{1}_{2}.png", overlayPath, "pdf", isHorizontal ? "h" : "v");
}
else if (sti.IsImage)
{
overlayPath = string.Format("{0}{1}_{2}.png", overlayPath, "img", isHorizontal ? "h" : "v");
}
else if (sti.IsWordDocument)
{
overlayPath = string.Format("{0}{1}_{2}.png", overlayPath, "doc", isHorizontal ? "h" : "v");
}
else
{
overlayPath = string.Format("{0}{1}_{2}.png", overlayPath, "inne", isHorizontal ? "h" : "v");
}
Image overlay = Image.FromFile(Server.MapPath(overlayPath));
using (Graphics g = Graphics.FromImage(overlayed))
{
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
g.DrawImage(overlay, new Rectangle(0, 0, overlayed.Width, overlayed.Height));
}
using (MemoryStream mso = new MemoryStream())
{
overlayed.Save(mso, ImageFormat.Png);
return(mso.ToArray());
}
}
}
public ActionResult SaveRotated(Guid scanGuid, int?rotation)
{
if (rotation.HasValue && rotation % 4 == 0)
{
return(new EmptyResult());
}
var sp = Context.Scans.Where(s => s.ScanID == scanGuid).FirstOrDefault();
if (sp == null)
{
return(new EmptyResult());
}
ScanTypeInfo si = ScansHelper.GetTypeInfo(sp.MimeType);
if (!(si.IsImage || si.IsPdfDocument))
{
return(new EmptyResult());
}
int rotationType = rotation.Value % 4;
RotateFlipType rft = RotateFlipType.RotateNoneFlipNone;
switch (rotationType)
{
case 0:
rft = RotateFlipType.RotateNoneFlipNone;
break;
case 1:
rft = RotateFlipType.Rotate90FlipNone;
break;
case 2:
rft = RotateFlipType.Rotate180FlipNone;
break;
case 3:
rft = RotateFlipType.Rotate270FlipNone;
break;
}
using (MemoryStream ms = new MemoryStream(sp.ScanZoom.ToArray()))
{
Image img = Image.FromStream(ms);
img.RotateFlip(rft);
using (MemoryStream oms = new MemoryStream())
{
img.Save(oms, si.Format);
sp.ScanZoom = oms.ToArray();
}
}
var scanPreview = sp.ScanPreviews.FirstOrDefault();
if (scanPreview != null)
{
using (MemoryStream ms = new MemoryStream(scanPreview.ScanPreviewContent.ToArray()))
{
Image img = Image.FromStream(ms);
img.RotateFlip(rft);
using (MemoryStream oms = new MemoryStream())
{
img.Save(oms, ImageFormat.Png);
scanPreview.ScanPreviewContent = oms.ToArray();
}
}
}
Context.SubmitChanges();
return(new EmptyResult());
}
