/// <summary>
/// A thumbnail image is a small version of an image.
/// </summary>
/// <param name="code"></param>
public static void CreateThumbnail(Code code)
{
var codeBytes = FileHelper.GetCode(code.AccountId, code.CodeId);
Image codeImage = ByteArrayToImage(codeBytes);
Image thumbnailImage = codeImage.GetThumbnailImage(100, 100, new Image.GetThumbnailImageAbort(ThumbnailCallback) , new IntPtr());
FileHelper.SaveThumbnail(code.AccountId, code.CodeId, ImageToByteArray(thumbnailImage));
}
public static void CreateCode(Code code)
{
Bitmap bmp;
using (var ms = new MemoryStream(code.BackgroundImage))
{
bmp = new Bitmap(ms);
if (bmp.PixelFormat == PixelFormat.Format8bppIndexed)
{
Bitmap newBmp = new Bitmap(bmp.Width, bmp.Height, PixelFormat.Format32bppArgb);
using (Graphics gfx = Graphics.FromImage(newBmp))
{
gfx.DrawImage(bmp, 0, 0);
}
bmp = newBmp;
}
}
string url = UrlHelper.GetUrl(code.AccountId, code.CodeId);
string fileName = UrlHelper.Code62Encode(code.AccountId, code.CodeId);
fileName = Path.Combine(fileName, ".png");
Bitmap image = QrCodeHelper.Draw(url, bmp, code.Rectangle);
byte[] data = QrCodeHelper.ImageToByteArray(image);
FileHelper.SaveCode(code.AccountId, code.CodeId, data);
}
public Code UpdateCode(Code newCode)
{
var result = QueryStoreProcedure("UpdateCode", new Dictionary<string, object>
{
{"param_accountId", newCode.AccountId},
{"param_codeId", newCode.CodeId},
{"param_codeTypeId", (byte)newCode.Type},
{"param_codeRectangle", JsonConvert.SerializeObject(newCode.Rectangle)},
{"param_backgroundContentType", newCode.BackgroundContentType},
{"param_payload", JsonHelper.Serialize(newCode.Payload)},
});
if (result.Tables[0].Rows.Count > 0)
{
var code = new Code().FromRow(result.Tables[0].Rows[0]);
if (newCode.BackgroundImage != null)
{
FileHelper.SaveBackground(code.AccountId, code.CodeId, code.BackgroundContentType, newCode.BackgroundImage);
code.BackgroundImage = newCode.BackgroundImage;
}
else
{
code.BackgroundImage = FileHelper.GetBackground(code.AccountId, code.CodeId, code.BackgroundContentType);
}
return code;
}
return null;
}
public Code GetCode(int accountId, int codeId)
{
var result = QueryStoreProcedure("GetCode", new Dictionary<string, object>
{
{"param_accountId", accountId},
{"param_codeId", codeId},
});
if (result.Tables[0].Rows.Count > 0)
{
var code = new Code().FromRow(result.Tables[0].Rows[0]);
//code.BackgroundImage = FileHelper.GetBackground(code.AccountId, code.CodeId, code.BackgroundContentType);
return code;
}
return null;
}
public List<Code> GetCodes(int accountId)
{
var list = new List<Code>();
var result = QueryStoreProcedure("GetCodes", new Dictionary<string, object>
{
{"param_accountId", accountId},
});
if (result.Tables[0].Rows.Count > 0)
{
foreach (DataRow row in result.Tables[0].Rows)
{
var code = new Code().FromRow(row);
//code.BackgroundImage = FileHelper.GetBackground(code.AccountId, code.CodeId, code.BackgroundContentType);
code.Thumbnail = FileHelper.GetThumbnail(code.AccountId, code.CodeId);
list.Add(code);
}
}
return list;
}
public ActionResult Place(Code code)
{
try
{
int x = (int)Math.Round(Convert.ToDouble(Request["x"].ToString()));
int y = (int)Math.Round(Convert.ToDouble(Request["y"].ToString()));
int width = (int)Math.Round(Convert.ToDouble(Request["width"].ToString()));
int height = (int)Math.Round(Convert.ToDouble(Request["height"].ToString()));
code.Rectangle = new Rectangle(x, y, width, height);
code = DataAccessor.CodeRepository.UpdateCode(code);
QrCodeHelper.CreateCode(code);
QrCodeHelper.CreateThumbnail(code);
if (!IsAuthenticated())
{
CookieHelper.AddAnonymousCodeId(Request, Response, code.CodeId);
}
return RedirectToAction("Dashboard", "Generator");
}
catch (QRBaException ex)
{
Danger(ex.Message);
return View(code);
}
}
public ActionResult Select(Code code)
{
if (Request.Files.Count > 0)
{
var file = Request.Files[0];
if (file != null && file.ContentLength > 0)
{
if (file.ContentLength > 300 * 1024)
{
Danger("图片太大，无法上传。 ╮(╯▽╰)╭");
return View();
}
var fileName = Path.GetFileName(file.FileName);
MemoryStream target = new MemoryStream();
file.InputStream.CopyTo(target);
code.BackgroundImage = target.ToArray();
code.BackgroundContentType = file.ContentType;
code = DataAccessor.CodeRepository.UpdateCode(code);
return View("Place", code);
}
else if (Request["sample_id"] != null && Request["sample_id"].ToString() != "0")
{
var sampleId = Convert.ToInt32(Request["sample_id"].ToString());
var fileName = string.Format("background_sample_{0}.jpg", sampleId);
code.BackgroundImage = FileHelper.GetFile(fileName);
code.BackgroundContentType = "image/jpeg";
code = DataAccessor.CodeRepository.UpdateCode(code);
return View("Place", code);
}
}
return View();
}