public async Task <ActionResult> ThumbAsync(int id, int width = 0, int height = 0, RenderModes mode = RenderModes.RenderMode_Fit, int trace = 0)
{
StringBuilder message = new StringBuilder();
try
{
if (width <= 120 && height <= 120)
{
byte[] cache = await HttpRuntime.Cache.GetOrAddSlidingAsync(
string.Format("thumb_image_{0}_{1}x{2}_{3}", id, width, height, (int)mode),
async (expire) =>
{
expire.After = TimeSpan.FromHours(1);
var data = await db.Contents.FindAsync(id);
using (MemoryStream trg = new MemoryStream())
using (MemoryStream src = new MemoryStream(data.Data))
{
MediaController.WriteImage(src, trg, width, height, mode);
return(trg.GetBuffer());
}
});
return(new FileStreamResult(new MemoryStream(cache), "image/png"));
}
else
{
var data = await db.Contents.FindAsync(id);
using (MemoryStream src = new MemoryStream(data.Data))
{
MemoryStream trg = new MemoryStream();
MediaController.WriteImage(src, trg, width, height, mode);
return(new FileStreamResult(trg, "image/png"));
}
}
}
catch (Exception ex)
{
if (trace > 0)
{
message.Append(ex.ToString());
}
}
if (trace == 0)
{
return(RedirectToAction("BadImg"));
}
else
{
return(Content(message.Length == 0 ? "OK" : message.ToString()));
}
}
public async Task <ActionResult> ThumbAsync(int id, int width = 0, int height = 0, RenderModes mode = RenderModes.RenderMode_Fit, int trace = 0)
{
StringBuilder message = new StringBuilder();
try
{
Report report = db.Frames.OfType <Report>()
.Include(r => r.ReportServer)
.FirstOrDefault(r => r.FrameId == id)
;
if (width <= 120 && height <= 120)
{
byte[] cache = await HttpRuntime.Cache.GetOrAddSlidingAsync(
string.Format("thumb_report_{0}_{1}x{2}_{3}", report.FullPath, width, height, (int)mode),
async (expire) =>
{
expire.After = TimeSpan.FromHours(1);
byte[] img = await GetReportBytesAsync(report);
using (MemoryStream trg = new MemoryStream())
using (MemoryStream src = new MemoryStream(img))
{
MediaController.WriteImage(src, trg, width, height, mode);
return(trg.GetBuffer());
}
});
return(new FileStreamResult(new MemoryStream(cache), "image/png"));
}
else
{
byte[] img = await GetReportBytesAsync(report);
using (MemoryStream src = new MemoryStream(img))
{
MemoryStream trg = new MemoryStream();
MediaController.WriteImage(src, trg, width, height, mode);
return(new FileStreamResult(trg, "image/png"));
}
}
}
catch (Exception ex)
{
if (trace > 0)
{
message.Append(ex.ToString());
}
if (trace > 1)
{
Report report = db.Frames.OfType <Report>()
.Include(r => r.ReportServer)
.FirstOrDefault(r => r.FrameId == id)
;
message.Append("\n");
if (report == null)
{
message.AppendFormat("\nReport id {0} not found", id);
}
else
{
message.AppendFormat("\nReport name: {0}", report.Name);
message.AppendFormat("\nReport path: {0}", report.Path);
message.AppendFormat("\nReport server URL: {0}", report.ReportServer.BaseUrl);
message.AppendFormat("\nReport server account: {0}\\{1}", report.ReportServer.Domain, report.ReportServer.User);
//message.AppendFormat("\nReport server passwrd: {0}", HttpUtility.HtmlEncode(RsaUtil.Decrypt(report.ReportServer.Password)));
}
}
}
if (trace == 0)
{
return(RedirectToAction("BadImg", "Media"));
}
else
{
return(Content(message.Length == 0 ? "OK" : message.ToString()));
}
}
