public static Image ScaleImage(Image ImageToScale, double ScaledToHeight, double ScaleToWidth)
{
//Hold the min value. Is it the height or the width - Figure out which is the minimum value...the width or the height. Keeps the ratio
double ScalingValue = Math.Min((ScaleToWidth / ImageToScale.Width), (ScaledToHeight / ImageToScale.Height));
//Set the final scaled width
double ScaledWidth = (ScalingValue * ImageToScale.Width);
//Set the final scaled height
double ScaledHeight = (ScalingValue * ImageToScale.Height);
//set the callback to the private method - ThumbnailCallback
//just use a lamda since the method doesn't do anything
Image.GetThumbnailImageAbort CallBackForConversion = new Image.GetThumbnailImageAbort(() =>
{
try
{
return false;
}
catch (Exception)
{
throw;
}
});
//return the image that is going to be scaled
return ImageToScale.GetThumbnailImage(Convert.ToInt32(ScaledWidth), Convert.ToInt32(ScaledHeight), CallBackForConversion, IntPtr.Zero);
}
public ActionResult Thumbnail(string path)
{
var myCallback =
new Image.GetThumbnailImageAbort(ThumbnailCallback);
var paths = new List<string>(2);
BuildPath(path, out folderPath, out resourcePath);
var folder = session.OpenFolder(folderPath + "/");
var resource = folder.GetResource(resourcePath + "/");
var sourceStream = resource.GetReadStream();
Bitmap bitmap = null;
try
{
bitmap = new Bitmap(sourceStream);
}
catch (Exception)
{
var fs = new FileStream(Server.MapPath("~/Content/kendo/2014.2.716/Bootstrap/imagebrowser.png"), FileMode.Open);
var tempBs = new byte[fs.Length];
fs.Read(tempBs, 0, tempBs.Length);
return new FileContentResult(tempBs, "image/jpeg");
}
var myThumbnail = bitmap.GetThumbnailImage(84, 70, myCallback, IntPtr.Zero);
var ms = new MemoryStream();
var myEncoderParameters = new EncoderParameters(1);
var myEncoderParameter = new EncoderParameter(Encoder.Quality, 25L);
myEncoderParameters.Param[0] = myEncoderParameter;
myThumbnail.Save(ms, GetEncoderInfo("image/jpeg"), myEncoderParameters);
ms.Position = 0;
var bytes = ms.ToArray();
return new FileContentResult(bytes, "image/jpeg");
}
private Bitmap scaleBitmap(Bitmap bmp, PictureBox picBox)
{
float ratio = 1.0f;
int thumbHeight = 0;
int thumbWidth = 0;
if (bmp.Height > picBox.Height || bmp.Width > picBox.Width)
{
Image.GetThumbnailImageAbort myCallback =
new Image.GetThumbnailImageAbort(ThumbnailCallback);
if (bmp.Height >= bmp.Width)
{
ratio = (((float)bmp.Width) / ((float)bmp.Height));
thumbHeight = picBox.Height;
thumbWidth = (int)((thumbHeight) * (ratio));
}
else
{
ratio = (((float)bmp.Height) / ((float)bmp.Width));
thumbWidth = picBox.Width;
thumbHeight = (int)((thumbWidth) * (ratio));
}
Image myThumbnail = bmp.GetThumbnailImage(thumbWidth, thumbHeight, myCallback, IntPtr.Zero);
return new Bitmap(myThumbnail);
}
return bmp;
}
public void GenerateThumbnail(Stream imgFileStream, Stream thumbStream)
{
Image.GetThumbnailImageAbort callback = new Image.GetThumbnailImageAbort(ThumbnailCallback);
Bitmap bitmap = new Bitmap(imgFileStream);
int thumbWidth = MaxThumbWidth;
int thumbHeight = MaxThumbHeight;
if (bitmap.Width > bitmap.Height)
{
thumbHeight = Decimal.ToInt32(((Decimal)bitmap.Height / bitmap.Width) * thumbWidth);
if (thumbHeight > MaxThumbHeight)
{
thumbHeight = MaxThumbHeight;
}
}
else
{
thumbWidth = Decimal.ToInt32(((Decimal)bitmap.Width / bitmap.Height) * thumbHeight);
if (thumbWidth > MaxThumbWidth)
{
thumbWidth = MaxThumbWidth;
}
}
Image thumbnail = bitmap.GetThumbnailImage(thumbWidth, thumbHeight, callback, IntPtr.Zero);
thumbnail.Save(thumbStream,ImageFormat.Jpeg);
}
/// <summary>
/// 生成缩略图,返回缩略图的Image对象
/// </summary>
/// <param name="Width">缩略图宽度</param>
/// <param name="Height">缩略图高度</param>
/// <returns>缩略图的Image对象</returns>
public Image GetImage(int Width, int Height)
{
Image img;
Image.GetThumbnailImageAbort callb = new Image.GetThumbnailImageAbort(ThumbnailCallback);
img = srcImage.GetThumbnailImage(Width, Height, callb, IntPtr.Zero);
return img;
}
private void GetThumbnail(PaintEventArgs e)
{
Image.GetThumbnailImageAbort callback =
new Image.GetThumbnailImageAbort(ThumbnailCallback);
if (flag == 1)
{
for (int j = 0; j < 4; ++j)
{
for (int i = 0; i < 4; ++i)
{
Image image = new Bitmap(filePaths[j * 4 + i]);
Image pThumbnail = image.GetThumbnailImage(200, 150, callback, new
IntPtr());
//label1.Text = filePaths[j*2 +i];
e.Graphics.DrawImage(
pThumbnail,
i * 230 + 20,
j * 160 + 10,
pThumbnail.Width,
pThumbnail.Height);
image = null;
pThumbnail = null;
GC.Collect();
}
}
}
}
public Image GetThumbNail( Image image, int new_width, int new_height )
{
Image.GetThumbnailImageAbort thumbnailCallback = new Image.GetThumbnailImageAbort( DummyThumbnailCallback );
Image thumbnail = image.GetThumbnailImage( new_width, new_height, thumbnailCallback, IntPtr.Zero );
return thumbnail;
}
public void Example_GetThumb(PaintEventArgs e)
{
Image.GetThumbnailImageAbort myCallback = new Image.GetThumbnailImageAbort(ThumbnailCallback);
Bitmap myBitmap = new Bitmap("Climber.jpg");
Image myThumbnail = myBitmap.GetThumbnailImage(40, 40, myCallback, IntPtr.Zero);
e.Graphics.DrawImage(myThumbnail, 150, 75);
}
public Form1()
{
InitializeComponent();
CheckForIllegalCrossThreadCalls = false;
myCallback = new Image.GetThumbnailImageAbort(CallBack);
listener = new TcpListener(ipAddress, 8210);
}
public RGBFilter(BQPaint f)
{
InitializeComponent();
this.f = f;
Image.GetThumbnailImageAbort myCallback = new Image.GetThumbnailImageAbort(ThumbnailCallback);
copy = f.main_bitmap.GetThumbnailImage(120, 120, myCallback, IntPtr.Zero);
thumbnail.Image = copy;
}
public void GenerateThumb(string imageInPath, string thumbOutPath)
{
log.Info("GenerateThumb(" + imageInPath + ", " + thumbOutPath + ")");
try {
if (Directory.Exists(thumbOutPath.Substring(0,thumbOutPath.LastIndexOf("/"))) == false)
Directory.CreateDirectory(thumbOutPath.Substring(0,thumbOutPath.LastIndexOf("/")));
using (Image imageIn = System.Drawing.Image.FromFile(imageInPath)) {
int width = thumbWidth;
int height = thumbHeight;
/* Is the image smaller than our thumbnail size? */
if (imageIn.Width < thumbWidth)
width = imageIn.Width;
if (imageIn.Height < thumbHeight)
height = imageIn.Height;
/* Is the image tall ? */
if (imageIn.Height > imageIn.Width) {
height = thumbHeight;
width = Convert.ToInt32 ((double)height * ((double)imageIn.Width / (double)imageIn.Height));
}
/* Is the image wide ? */
if (imageIn.Height < imageIn.Width) {
width = thumbWidth;
height = Convert.ToInt32( (double)width * ((double)imageIn.Height / (double)imageIn.Width) );
}
/* Center the thumbnail */
int x = (thumbWidth / 2) - (width /2);
int y = (thumbHeight / 2) - (height /2);
Console.WriteLine ("New Thumb: " + x + " " + y + " " + width + " " + height);
Image.GetThumbnailImageAbort dummyCallback = new Image.GetThumbnailImageAbort (ThumbnailCallback);
Image thumbImage = imageIn.GetThumbnailImage (width, height, dummyCallback, IntPtr.Zero);
Bitmap imageOut = new Bitmap (thumbWidth, thumbHeight);
Graphics graphicsOut = Graphics.FromImage (imageOut);
graphicsOut.Clear (Color.Gray);
graphicsOut.DrawImage (thumbImage, x, y);
imageOut.Save (thumbOutPath, ImageFormat.Jpeg);
}
} catch (Exception ex) {
log.Error("Exception in GenerateThumb!", ex);
throw ex;
}
}
/// <summary>
/// 生成缩略图，返回缩略图的Image对象
/// </summary>
/// <param name="path">原图片全路径</param>
/// <param name="width">缩略图的宽度</param>
/// <param name="height">缩略图的高度</param>
/// <returns>缩略图的Image对象</returns>
public static Image GetThumbnail(string path,int width, int height)
{
try
{
Image resourceImage = Image.FromFile(path);//获取原图
Image.GetThumbnailImageAbort callb = new Image.GetThumbnailImageAbort(ThumbnailCallback);
return resourceImage.GetThumbnailImage(width, height, callb, IntPtr.Zero);
}
catch{return null;}
}
public static Response GetThumbnailImage(Guid id, int page, IResponseFormatter response)
{
var bitmap = Image.FromStream(new MemoryStream(GetPageImageBytes(id, page)), false, false);
double ratio = 200D / (double)bitmap.Height;
int width = (int)(bitmap.Width * ratio);
var callback = new Image.GetThumbnailImageAbort(() => true);
var thumbnail = bitmap.GetThumbnailImage(width, 200, callback, IntPtr.Zero);
MemoryStream stream = GetBytesFromImage(thumbnail);
return response.FromStream(stream, MimeTypes.GetMimeType(".jpg"));
}
/// <summary>
/// Converts any bitmap down to a 96x96 square with linear x/y scaling and border whitespace if needed
/// </summary>
/// <param name="masterImage">Full size Bitmap of any dimension</param>
/// <returns>96x96 Bitmap</returns>
internal static Bitmap GenerateThumbnail(Bitmap masterImage)
{
Image.GetThumbnailImageAbort myCallback = new Image.GetThumbnailImageAbort(ThumbnailCallback);
// Calculate the thumbnail size
double newWidth = 0.0;
double newHeight = 0.0;
if (masterImage.Width > 96 || masterImage.Height > 96)
{
bool portrait = false;
if (masterImage.Width > masterImage.Height)
portrait = true;
if (portrait)
{
double pct = (double)masterImage.Width / 96;
newWidth = (double)masterImage.Width / pct;
newHeight = (double)masterImage.Height / pct;
}
else
{
double pct = (double)masterImage.Height / 96;
newWidth = (double)masterImage.Width / pct;
newHeight = (double)masterImage.Height / pct;
}
}
else
{
newWidth = masterImage.Width;
newHeight = masterImage.Height;
}
Image myThumbnail = masterImage.GetThumbnailImage((int)newWidth,(int)newHeight,myCallback,IntPtr.Zero);
// Put the thumbnail on a square background
Bitmap squareThumb = new Bitmap(96,96);
Graphics g = Graphics.FromImage(squareThumb);
int x = 0;
int y = 0;
x = (96 - myThumbnail.Width) / 2;
y = (96 - myThumbnail.Height) / 2;
g.DrawImage(myThumbnail, new Rectangle(new Point(x,y), new Size(myThumbnail.Width, myThumbnail.Height)));
// Write out the new bitmap
MemoryStream ms = new MemoryStream();
squareThumb.Save(ms, ImageFormat.Png);
return new Bitmap(ms);
}
public void ProcessRequest(HttpContext context)
{
string ImageUrl = context.Request.QueryString["url"];
//get image width to be resized from querystring
string ImageWidth = context.Request.QueryString["width"];
//get image height to be resized from querystring
string ImageHeight = context.Request.QueryString["height"];
if (ImageUrl != string.Empty && ImageHeight != string.Empty && ImageWidth != string.Empty && (ImageWidth != null && ImageHeight != null))
{
if (!System.Web.UI.WebControls.Unit.Parse(ImageWidth).IsEmpty && !System.Web.UI.WebControls.Unit.Parse(ImageHeight).IsEmpty)
{
Image.GetThumbnailImageAbort myCallback = new Image.GetThumbnailImageAbort(ThumbnailCallback);
//creat BitMap object from image path passed in querystring
Bitmap BitmapForImage = new Bitmap(context.Server.MapPath(ImageUrl));
//create unit object for height and width. This is to convert parameter passed in differen unit like pixel, inch into generic unit.
System.Web.UI.WebControls.Unit WidthUnit = System.Web.UI.WebControls.Unit.Parse(ImageWidth);
System.Web.UI.WebControls.Unit HeightUnit = System.Web.UI.WebControls.Unit.Parse(ImageHeight);
//Resize actual image using width and height paramters passed in querystring
Image CurrentThumbnail = BitmapForImage.GetThumbnailImage(Convert.ToInt16(WidthUnit.Value), Convert.ToInt16(HeightUnit.Value), myCallback, IntPtr.Zero);
//Create memory stream and save resized image into memory stream
MemoryStream objMemoryStream = new MemoryStream();
if (ImageUrl.EndsWith(".png"))
{
context.Response.ContentType = "image/png";
CurrentThumbnail.Save(objMemoryStream, System.Drawing.Imaging.ImageFormat.Png);
}
else if (ImageUrl.EndsWith(".jpg"))
{
context.Response.ContentType = "image/jpeg";
CurrentThumbnail.Save(objMemoryStream, System.Drawing.Imaging.ImageFormat.Jpeg);
}
else if (ImageUrl.EndsWith(".gif"))
{
context.Response.ContentType = "image/gif";
CurrentThumbnail.Save(objMemoryStream, System.Drawing.Imaging.ImageFormat.Gif);
}
//Declare byte array of size memory stream and read memory stream data into array
byte[] imageData = new byte[objMemoryStream.Length];
objMemoryStream.Position = 0;
objMemoryStream.Read(imageData, 0, (int)objMemoryStream.Length);
//send contents of byte array as response to client (browser)
context.Response.BinaryWrite(imageData);
}
}
else
{
//if width and height was not passed as querystring, then send image as it is from path provided.
context.Response.WriteFile(context.Server.MapPath(ImageUrl));
}
}
/// <summary>
/// Generate a thumbnail image, for uploaded files
/// </summary>
/// <param name="SourceImagePath">The path of the source image</param>
/// <param name="TargetImagePath">The path of the target thumbnail image</param>
/// <remarks></remarks>
public static void GenerateThumbnail(string SourceImagePath, string TargetImagePath)
{
using (Image image1 = Image.FromFile(SourceImagePath))
{
short num1 = (short) Math.Round((double) (image1.Height * 0.25));
short num2 = (short) Math.Round((double) (image1.Width * 0.25));
Image.GetThumbnailImageAbort abort1 = new Image.GetThumbnailImageAbort(ImageHandling.ThumbnailCallback);
using (Image image2 = image1.GetThumbnailImage(num2, num1, abort1, IntPtr.Zero))
{
image2.Save(TargetImagePath, ImageFormat.Gif);
}
}
}
/// <summary>
/// Creates a thumbnail from the image provided, scaled down to the
/// new height specified while keeping the aspect ratio
/// </summary>
/// <param name="fullImage">The image to replicate</param>
/// <param name="newHeight">The new height to scale to</param>
/// <returns>Returns a thumbnail Image</returns>
public Image CreateThumbnail(Image fullImage, int newHeight)
{
Image.GetThumbnailImageAbort myCallback = new Image.GetThumbnailImageAbort(ThumbnailCallback);
int newWidth;
if (fullImage.Height > fullImage.Width)
{
newWidth = Convert.ToInt32(Math.Round((double) ((fullImage.Height/fullImage.Width)*newHeight)));
}
else
{
newWidth = Convert.ToInt32(Math.Round((double) ((fullImage.Width/fullImage.Height)*newHeight)));
}
return fullImage.GetThumbnailImage(newWidth, newHeight, myCallback, IntPtr.Zero);
}
/// <summary>
/// 生成缩略图，返回缩略图的Image对象
/// </summary>
/// <param name="path">原图片全路径</param>
/// <param name="percent">缩略图的宽度百分比 如：需要百分之80，就填0.8</param>
/// <returns>缩略图的Image对象</returns>
public static Image GetThumbnail(string path,double percent)
{
try
{
Image resourceImage = Image.FromFile(path);//获取原图
Image.GetThumbnailImageAbort callb = new Image.GetThumbnailImageAbort(ThumbnailCallback);
int width = Convert.ToInt32(resourceImage.Width * percent);
int height = Convert.ToInt32(resourceImage.Width * percent);
return resourceImage.GetThumbnailImage(width, height, callb, IntPtr.Zero);
}
catch
{
return null;
}
}
private void button1_Click(object sender, EventArgs e)
{
OpenFileDialog dlg = new OpenFileDialog();
dlg.Filter = "Jpeg Files (*.jpg)|*.jpg|All Files (*.*)|*.*";
if (dlg.ShowDialog(this) == DialogResult.OK)
{
try
{
Bitmap myBmp = new Bitmap(dlg.FileName);
Image.GetThumbnailImageAbort myCallBack = new Image.GetThumbnailImageAbort(ThumbnailCallBack);
Image imgPreview = myBmp.GetThumbnailImage(200, 200, myCallBack, IntPtr.Zero);
MemoryStream ms = new MemoryStream();
imgPreview.Save(ms, System.Drawing.Imaging.ImageFormat.Bmp);
ms.Flush();
ms.Seek(0, SeekOrigin.Begin);
BinaryReader br=new BinaryReader(ms);
byte[] image = br.ReadBytes((int)ms.Length);
SqlCommand comm = new SqlCommand();
comm.Connection = conn;
comm.CommandText = @"INSERT INTO tbImages (Path, ImgPreView) VALUES (@Path, @Image)";
comm.Parameters.Add("@Path", SqlDbType.NChar, 260).Value = dlg.FileName;
comm.Parameters.Add("@Image", SqlDbType.Image, image.Length).Value = image;
comm.ExecuteNonQuery();
ms.Close();
}
catch (SqlException ex)
{
MessageBox.Show(ex.Message);
}
finally
{
}
}
}
/// <summary>
/// 生成缩略图重载方法1，返回缩略图的Image对象
/// </summary>
/// <param name="Width">缩略图的宽度</param>
/// <param name="Height">缩略图的高度</param>
/// <returns>缩略图的Image对象</returns>
public Image GetReducedImage(int Width, int Height)
{
try
{
Image ReducedImage;
Image.GetThumbnailImageAbort callb = new Image.GetThumbnailImageAbort(ThumbnailCallback);
ReducedImage = ResourceImage.GetThumbnailImage(Width, Height, callb, IntPtr.Zero);
return ReducedImage;
}
catch (Exception e)
{
ErrMessage = e.Message;
return null;
}
}
public static void SaveImage(Image image, string savedName, int width = 0, int height = 0)
{
Image originalImage = image;
string filePath = AppDomain.CurrentDomain.BaseDirectory + savedName;
if (width > 0 && height > 0)
{
var myCallback =
new Image.GetThumbnailImageAbort(ThumbnailCallback);
Image imageToSave = originalImage.GetThumbnailImage
(width, height, myCallback, IntPtr.Zero);
imageToSave.Save(filePath, System.Drawing.Imaging.ImageFormat.Jpeg);
}
else
{
originalImage.Save(filePath, System.Drawing.Imaging.ImageFormat.Jpeg);
}
}
public static void SaveImage(string imagePath, string savedName,ImageFormat format, Size size)
{
Image originalImage = Image.FromFile(imagePath);
string filePath = AppDomain.CurrentDomain.BaseDirectory + savedName;
if (size.Width > 0 && size.Height > 0)
{
var myCallback =
new Image.GetThumbnailImageAbort(ThumbnailCallback);
var imageToSave = originalImage.GetThumbnailImage
(size.Width, size.Height, myCallback, IntPtr.Zero);
imageToSave.Save(filePath, format);
}
else
{
originalImage.Save(filePath, ImageFormat.Jpeg);
}
}
public static Image CreateThumbnails(string inputFile)
{
Image pThumbnail = null;
try
{
Image.GetThumbnailImageAbort callback = new Image.GetThumbnailImageAbort(ThumbnailCallback);
Image image = new Bitmap(inputFile);
//TODO Resize function
pThumbnail = image.GetThumbnailImage(100, 150, callback, new IntPtr());
}
catch (Exception e)
{
return pThumbnail;
}
return pThumbnail;
}
public Image getReducedImage(int width, int height)
{
Image ReducedImage = null;
try
{
Image.GetThumbnailImageAbort call = new Image.GetThumbnailImageAbort(ThumbnailCallback);
ReducedImage = ResourceImage.GetThumbnailImage(width, height, call, IntPtr.Zero);
return ReducedImage;
}
catch
{
return null;
}
finally
{
ReducedImage.Dispose();
ResourceImage.Dispose();
}
}
/// <summary>
/// 生成缩略图重载方法2，将缩略图文件保存到指定的路径
/// </summary>
/// <param name="Width">缩略图的宽度</param>
/// <param name="Height">缩略图的高度</param>
/// <param name="targetFilePath">缩略图保存的全文件名，(带路径)，参数格式：D:Imagesfilename.jpg</param>
/// <returns>成功返回true，否则返回false</returns>
public bool GetReducedImage(int Width, int Height, string targetFilePath)
{
try
{
Image ReducedImage;
Image.GetThumbnailImageAbort callb = new Image.GetThumbnailImageAbort(ThumbnailCallback);
ReducedImage = ResourceImage.GetThumbnailImage(Width, Height, callb, IntPtr.Zero);
ReducedImage.Save(@targetFilePath, ImageFormat.Jpeg);
ReducedImage.Dispose();
return true;
}
catch (Exception e)
{
ErrMessage = e.Message;
return false;
}
}
public ActionResult Upload(HttpPostedFileBase[] file1)
{
foreach (var file in file1)
{
if (file.ContentLength < 0)
continue;
string appPath = HttpContext.Request.PhysicalApplicationPath;
string savaFolder = @"\Images\" + 1 + @"\" + 1 + @"\Temp\";
string saveDir = appPath + savaFolder;
string ext = file.FileName.Substring(file.FileName.LastIndexOf("."));
string newFileName = string.Format("{0}-{1}-{2}-{3}-{4}{5}", DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, DateTime.Now.Minute, DateTime.Now.Millisecond, ext);
string fileUrl = saveDir + newFileName;
Directory.CreateDirectory(saveDir);
file.SaveAs(fileUrl);
Image.GetThumbnailImageAbort callBack =new Image.GetThumbnailImageAbort(ThumbnailCallback);
Bitmap image = new Bitmap(fileUrl);
int[] thumbnailScale = getThumbnailImageScale(1280, 1280, image.Width, image.Height);
Image smallImage = image.GetThumbnailImage(thumbnailScale[0], thumbnailScale[1], callBack, IntPtr.Zero);
string savaFolder2 = @"\Images2\" + 1 + @"\" + 1 + @"\Temp\";
string saveDir2 = appPath + savaFolder2;
string newFileName2 = string.Format("{0}-{1}-{2}-{3}-{4}{5}", DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, DateTime.Now.Minute, DateTime.Now.Millisecond, ext);
string fileUrl2 = saveDir2 + newFileName2;
Directory.CreateDirectory(saveDir2);
smallImage.Save(fileUrl2);
}
return View();
}
public Image GetRectangleImage(List<Image> images)
{
Bitmap bitMap = new Bitmap(
ColumnCount * SingleImage.Width + ColumnCount * Padding,
images.Count % ColumnCount == 0 ?
(images.Count / ColumnCount * SingleImage.Height + ColumnCount * Padding) :
(images.Count / ColumnCount * SingleImage.Height + SingleImage.Height + ColumnCount * Padding));
Graphics grp = Graphics.FromImage(bitMap);
Pen pen = new Pen(BackGroundColor);
pen.Width = bitMap.Height;
grp.DrawRectangle(pen,
new Rectangle(new Point(0, 0),
new Size(bitMap.Width, bitMap.Height)));
for (int i = 0; i < images.Count; i++)
{
Image.GetThumbnailImageAbort call = new Image.GetThumbnailImageAbort(GetThumbnailImageAbort);
var thumbnailImage = images[i].GetThumbnailImage(SingleImage.Width,
SingleImage.Height,
call,
IntPtr.Zero);
var point = new Point(
(i % ColumnCount * SingleImage.Width),
(i / ColumnCount * SingleImage.Height));
point.Offset(new Point(i % ColumnCount * this.Padding, i / ColumnCount * this.Padding));
grp.DrawImage(thumbnailImage, point);
}
grp.Dispose();
return bitMap;
}
private static void AddThumbnail(string blobUri, string fileName)
{
try
{
var stream = Storage.Blob.GetBlob(blobUri);
if (blobUri.EndsWith(".jpg"))
{
var image = Image.FromStream(stream);
var myCallback = new Image.GetThumbnailImageAbort(ThumbnailCallback);
var thumbnailImage = image.GetThumbnailImage(42, 32, myCallback, IntPtr.Zero);
thumbnailImage.Save(stream, ImageFormat.Jpeg);
Storage.Blob.PutBlob(stream, "thumbnail-" + fileName);
}
else
{
Storage.Blob.PutBlob(stream, fileName);
}
}
catch (Exception ex)
{
Trace.WriteLine("Error", ex.ToString());
}
}
public Image GetFullScreenImage(VideoParameters v)
{
try
{
System.Drawing.Image MyImage = new Bitmap((int)SystemParameters.VirtualScreenWidth, (int)SystemParameters.VirtualScreenHeight);
CURSORINFO pci;
pci.cbSize = Marshal.SizeOf(typeof(CURSORINFO));
GetCursorInfo(out pci);
Graphics g = Graphics.FromImage(MyImage);
g.CopyFromScreen(new System.Drawing.Point(0, 0), new System.Drawing.Point(0, 0), new System.Drawing.Size((int)SystemParameters.VirtualScreenWidth, (int)SystemParameters.VirtualScreenHeight));
System.Windows.Forms.Cursor cur = new System.Windows.Forms.Cursor(pci.hCursor);
cur.Draw(g, new System.Drawing.Rectangle(pci.ptScreenPos.x - 10, pci.ptScreenPos.y - 10, cur.Size.Width, cur.Size.Height));
Image.GetThumbnailImageAbort myCallback = new Image.GetThumbnailImageAbort(ThumbnailCallback);
MyImage.RotateFlip(RotateFlipType.Rotate90FlipNone);
Image img = MyImage.GetThumbnailImage(v.Height, v.Width, myCallback, IntPtr.Zero);
return img;
}
catch
{
throw;
}
}
public static Image ToThumbnail(this Image image)
{
Image.GetThumbnailImageAbort callback = new Image.GetThumbnailImageAbort(ThumbnailCallback);
return(image.GetThumbnailImage(100, 100, callback, new IntPtr()));
}
/// <summary>
///
/// </summary>
/// <param name="grad"></param>
/// <param name="registracija"></param>
/// <param name="filter">
/// bit 0 -> opažanja kojima NIJE prošao "grace period"
/// bit 1 -> opažanja kojima JE prošao "grace period"
/// bit 2 -> izdane parkirne karte
/// </param>
/// <param name="idDjelatnika"></param>
/// <param name="idSektora"></param>
/// <param name="index"></param>
/// <param name="count"></param>
/// <param name="idAplikacije"></param>
/// <returns></returns>
public static __Opazanje[] TraziOpazanje(string grad, string registracija, int filter, int?idDjelatnika, int?idSektora, int index, int count, int idAplikacije)
{
int zastaraOpazanja = 4; // broj sati nakon kojih ne prikazuje opažanje
bool op1, op2, kaznjeni;
op1 = (filter & 0x01) != 0;
op2 = (filter & 0x02) != 0;
kaznjeni = (filter & 0x04) != 0;
if (count <= 0)
{
count = int.MaxValue;
}
try
{
List <_2DLista> statusi = Parking.Statusi(false, idAplikacije);
bool contains = false;
if (registracija != null && registracija.StartsWith("~"))
{
contains = true;
registracija = registracija.Replace("~", "");
}
if (registracija == null)
{
registracija = "";
}
else
{
registracija = registracija.Replace("-", "").Replace(" ", "").ToUpper().Replace("Č", "C").Replace("Ć", "C").Replace("Ž", "Z").Replace("Š", "S").Replace("Đ", "D");
}
using (PazigradDataContext db = new PazigradDataContext(Sistem.ConnectionString(grad, idAplikacije)))
{
var op = from o in db.PARKING_OPAZANJAs
join d in db.Djelatniks on o.IDDjelatnika equals d.IDDjelatnika into djelatnik
from dd in djelatnik.DefaultIfEmpty()
join s in db.PARKING_SEKTORIs on o.IDSektora equals s.IDSektora into sektori
from ss in sektori.DefaultIfEmpty()
join z in db.PARKING_ZONEs on ss.IDZone equals z.IDZone into zone
from zz in zone.DefaultIfEmpty()
where (!string.IsNullOrEmpty(registracija) ? ((!contains) ? o.Registracija.Replace("-", "").Replace(" ", "").ToUpper().Replace("Č", "C").Replace("Ć", "C").Replace("Ž", "Z").Replace("Š", "S").Replace("Đ", "D") == registracija
: o.Registracija.Replace("-", "").Replace(" ", "").ToUpper().Replace("Č", "C").Replace("Ć", "C").Replace("Ž", "Z").Replace("Š", "S").Replace("Đ", "D").Contains(registracija)) : registracija == "") &&
((DateTime.Now - o.Vrijeme.Value).TotalHours <= zastaraOpazanja || (o.PlacenoDo != null && o.PlacenoDo.Value > DateTime.Now)) &&
(o.Otisao == null || o.Otisao.Value != true) &&
//(o.PlacenoDo == null || DateTime.Now < o.PlacenoDo) &&
(
(kaznjeni && o.Kaznjen == true) ||
(op1 && o.Kaznjen != true && (DateTime.Now - o.Vrijeme.Value).TotalMinutes < zz.GracePeriod) ||
(op2 && o.Kaznjen != true && (DateTime.Now - o.Vrijeme.Value).TotalMinutes >= zz.GracePeriod)
) &&
(idDjelatnika != null && idDjelatnika > 0 ? o.IDDjelatnika == idDjelatnika : true) &&
(idSektora == null || idSektora <= 0 ? true : o.IDSektora == idSektora)
orderby o.Vrijeme descending
select new __Opazanje(o.IDOpazanja, o.IDLokacije, o.IDSektora, ss.IDZone, o.IDDjelatnika, 0, o.IDStatusa, o.IDRacuna, ss.NazivSektora, dd.ImePrezime, zz.NazivZone,
Parking.Status(o.IDStatusa, statusi), o.Registracija, o.Drzava, (DateTime)o.Vrijeme, o.PlacenoDo, o.Latitude, o.Longitude, o.Iznos, o.Kaznjen.Value, (o.Otisao == null) ? false : o.Otisao.Value, "", "");
__Opazanje[] opazanja;
__Opazanje[] ops = op.ToArray();
int len = (count > 0) ? Math.Min(count, ops.Length - index) : Math.Max(0, ops.Length - index);
opazanja = new __Opazanje[len];
Array.Copy(ops, index, opazanja, 0, len);
for (int i = 0; i < opazanja.Length; i++)
{
__Opazanje o = opazanja[i];
o.Index = i + index;
o.Total = ops.Length;
}
foreach (var opazanje in opazanja)
{
List <string> slike64 = new List <string>();
var slika = (from s in db.SlikaPrekrsajas
where s.IDLokacije == opazanje.IDLokacije
select s.Slika).FirstOrDefault();
if (slika != null && slika.Length > 0)
{
try
{
//Bitmap b = new Bitmap(new MemoryStream(slika.ToArray()));
//Image.GetThumbnailImageAbort myCallback = new Image.GetThumbnailImageAbort(ThumbnailCallback);
//Image myThumbnail = b.GetThumbnailImage(64, 64, myCallback, IntPtr.Zero);
//var bytes = new MemoryStream();
//myThumbnail.Save(bytes, ImageFormat.Jpeg);
//slike64.Add(Convert.ToBase64String(bytes.ToArray()));
//break;
Bitmap b = new Bitmap(new MemoryStream(slika.ToArray()));
int maxPixelDimension = 240;
int w = b.Width, h = b.Height;
if (w > h)
{
h = h * maxPixelDimension / w;
w = maxPixelDimension;
}
else
{
w = w * maxPixelDimension / h;
h = maxPixelDimension;
}
Image.GetThumbnailImageAbort myCallback = ThumbnailCallback;
Image myThumbnail = b.GetThumbnailImage(w, h, myCallback, IntPtr.Zero);
var bytes = new MemoryStream();
myThumbnail.Save(bytes, ImageFormat.Jpeg);
slike64.Add(Convert.ToBase64String(bytes.ToArray()));
//break;
}
catch (Exception ex)
{
Sustav.SpremiGresku(grad, ex, idAplikacije, "Thumbnail slikice...");
}
}
opazanje.Slike = slike64;
}
return(opazanja);
}
}
catch (Exception ex)
{
Sustav.SpremiGresku(grad, ex, idAplikacije, "PRETRAGA OPAZANJA");
return(new __Opazanje[0]);
}
}
public Boolean addSpot(String json)
{
try
{
SpotRootObject rootObj = JsonConvert.DeserializeObject <SpotRootObject>(json);
SpotModel key = rootObj.key;
//Add spot into spot.xml
String spotXml = HttpContext.Current.Server.MapPath("~/App_Data/Spot.xml");
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(spotXml);
//create a new spot element and set value or attribute
XmlElement spot = xmlDoc.CreateElement("Spot");
spot.SetAttribute("Name", Security.Encryption(key.name));
xmlDoc.SelectSingleNode("/Spots").AppendChild(spot);
// location
XmlElement location = xmlDoc.CreateElement("Location");
spot.AppendChild(location);
XmlElement state = xmlDoc.CreateElement("State");
state.InnerText = Security.Encryption(key.location.state);
location.AppendChild(state);
XmlElement city = xmlDoc.CreateElement("City");
city.InnerText = Security.Encryption(key.location.city);
location.AppendChild(city);
XmlElement zipcode = xmlDoc.CreateElement("ZipCode");
zipcode.InnerText = Security.Encryption(key.location.zipcode);
location.AppendChild(zipcode);
// image stream save as jpg file
Image img = Image.FromStream(new MemoryStream(key.imgBytes));
var ratio = (double)225 / img.Height;
int imgHeight = (int)(img.Height * ratio);
int imgWidth = (int)(img.Width * ratio);
Image.GetThumbnailImageAbort dCallBack = new Image.GetThumbnailImageAbort(ThumbnailCallback);
Image thumbnailImg = img.GetThumbnailImage(imgWidth, imgHeight, dCallBack, IntPtr.Zero);
String imgFile = key.name + ".jpg";
thumbnailImg.Save(Path.Combine(HttpContext.Current.Server.MapPath("~/Thumbnail"), imgFile), ImageFormat.Jpeg);
thumbnailImg.Dispose();
// introduction
XmlElement intro = xmlDoc.CreateElement("Introduction");
intro.InnerText = Security.Encryption(key.introduction);
spot.AppendChild(intro);
// price
XmlElement price = xmlDoc.CreateElement("Price");
price.InnerText = Security.Encryption(key.price);
spot.AppendChild(price);
xmlDoc.Save(spotXml);
return(true);
}
catch { return(false); }
}
protected void ShowThumbnail(string path, int width, int height)
{
CheckPath(path);
FileStream fs = new FileStream(FixPath(path), FileMode.Open);
Bitmap img = new Bitmap(Bitmap.FromStream(fs));
fs.Close();
fs.Dispose();
int cropWidth = img.Width, cropHeight = img.Height;
int cropX = 0, cropY = 0;
double imgRatio = (double)img.Width / (double)img.Height;
if (height == 0)
{
height = Convert.ToInt32(Math.Floor((double)width / imgRatio));
}
if (width > img.Width)
{
width = img.Width;
}
if (height > img.Height)
{
height = img.Height;
}
double cropRatio = (double)width / (double)height;
cropWidth = Convert.ToInt32(Math.Floor((double)img.Height * cropRatio));
cropHeight = Convert.ToInt32(Math.Floor((double)cropWidth / cropRatio));
if (cropWidth > img.Width)
{
cropWidth = img.Width;
cropHeight = Convert.ToInt32(Math.Floor((double)cropWidth / cropRatio));
}
if (cropHeight > img.Height)
{
cropHeight = img.Height;
cropWidth = Convert.ToInt32(Math.Floor((double)cropHeight * cropRatio));
}
if (cropWidth < img.Width)
{
cropX = Convert.ToInt32(Math.Floor((double)(img.Width - cropWidth) / 2));
}
if (cropHeight < img.Height)
{
cropY = Convert.ToInt32(Math.Floor((double)(img.Height - cropHeight) / 2));
}
Rectangle area = new Rectangle(cropX, cropY, cropWidth, cropHeight);
Bitmap cropImg = img.Clone(area, System.Drawing.Imaging.PixelFormat.DontCare);
img.Dispose();
Image.GetThumbnailImageAbort imgCallback = new Image.GetThumbnailImageAbort(ThumbnailCallback);
_r.AddHeader("Content-Type", "image/png");
cropImg.GetThumbnailImage(width, height, imgCallback, IntPtr.Zero).Save(_r.OutputStream, ImageFormat.Png);
_r.OutputStream.Close();
cropImg.Dispose();
}
internal static extern int GdipGetImageThumbnail(HandleRef image, int thumbWidth, int thumbHeight, out IntPtr thumbImage, Image.GetThumbnailImageAbort callback, IntPtr callbackdata);
/// <summary>
/// This event occurs when the selected item is changed
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void lstItems_SelectedValueChanged(object sender, EventArgs e)
{
// check if we wish to save?
// load data -- panel 1
listMusicItem sel = (listMusicItem)lstItems.SelectedItem;
txtAlbum.Text = sel.album;
txtArtist.Text = sel.artist;
txtTitle.Text = sel.title;
if (sel.ytCat != "")
{
cmbYTCat.SelectedItem = sel.ytCat;
}
else
{
cmbYTCat.SelectedItem = null;
}
sel.ytTags = txtYTTags.Text;
sel.wpTags = txtWPTags.Text;
// load data -- panel 2
System.Drawing.Image.GetThumbnailImageAbort d = new Image.GetThumbnailImageAbort(ImageAborted);
if (sel.bg != "")
{
Image img = Image.FromFile(sel.bg, true);
btnVideoBG.Image = img.GetThumbnailImage(195, 162, d, System.IntPtr.Zero);
btnVideoBG.Text = "";
txtBGpath.Text = sel.bg;
}
else
{
btnVideoBG.Image = null;
btnVideoBG.Text = "n/a";
txtBGpath.Text = "";
}
if (sel.images.Length > 0 && sel.images[0] != null)
{
// we'll just load the first image...
Image img = sel.images[0];
btnAlbumArt.Image = img.GetThumbnailImage(195, 162, d, System.IntPtr.Zero);
btnAlbumArt.Text = "";
txtBGpath.Text = "";
}
else if (sel.customAlbumArt)
{
// see if there is an image path specified
Image img = Image.FromFile(sel.albumArt);
btnAlbumArt.Image = img.GetThumbnailImage(195, 162, d, System.IntPtr.Zero);
btnAlbumArt.Text = "";
txtAlbumPath.Text = sel.albumArt;
}
else
{
btnAlbumArt.Image = null;
btnAlbumArt.Text = "n/a";
txtAlbumPath.Text = "";
}
// load data -- panel 3+4
if (sel.WPPost == "")
{
txtWPPost.Text = Properties.Settings.Default.wpPost;
}
else
{
txtYTDesc.Text = sel.WPPost;
}
if (sel.YTDesc == "")
{
txtYTDesc.Text = Properties.Settings.Default.ytDesc;
}
else
{
txtYTDesc.Text = sel.YTDesc;
}
}
/// <summary>
/// Creates a thumbnail of the specified image
/// </summary>
/// <param name="aDrawingImage">The source System.Drawing.Image</param>
/// <param name="aThumbTargetPath">Filename of the thumbnail to create</param>
/// <param name="aThumbWidth">Maximum width of the thumbnail</param>
/// <param name="aThumbHeight">Maximum height of the thumbnail</param>
/// <param name="aRotation">
/// 0 = no rotate
/// 1 = rotate 90 degrees
/// 2 = rotate 180 degrees
/// 3 = rotate 270 degrees
/// </param>
/// <param name="aFastMode">Use low quality resizing without interpolation suitable for small thumbnails</param>
/// <returns>Whether the thumb has been successfully created</returns>
private static bool CreateThumbnail(Image aDrawingImage, string aThumbTargetPath, int aThumbWidth, int aThumbHeight,
int aRotation, bool aFastMode)
{
if (string.IsNullOrEmpty(aThumbTargetPath) || aThumbHeight <= 0 || aThumbHeight <= 0)
{
return(false);
}
Bitmap myBitmap = null;
Image myTargetThumb = null;
try
{
switch (aRotation)
{
case 1:
aDrawingImage.RotateFlip(RotateFlipType.Rotate90FlipNone);
break;
case 2:
aDrawingImage.RotateFlip(RotateFlipType.Rotate180FlipNone);
break;
case 3:
aDrawingImage.RotateFlip(RotateFlipType.Rotate270FlipNone);
break;
default:
break;
}
int iWidth = aThumbWidth;
int iHeight = aThumbHeight;
float fAR = (aDrawingImage.Width) / ((float)aDrawingImage.Height);
if (aDrawingImage.Width > aDrawingImage.Height)
{
iHeight = (int)Math.Floor((((float)iWidth) / fAR));
}
else
{
iWidth = (int)Math.Floor((fAR * ((float)iHeight)));
}
/*try
* {
* Utils.FileDelete(aThumbTargetPath);
* }
* catch (Exception ex)
* {
* Log.Error("Picture: Error deleting old thumbnail - {0}", ex.Message);
* }*/
if (aFastMode)
{
Image.GetThumbnailImageAbort myCallback = new Image.GetThumbnailImageAbort(ThumbnailCallback);
myBitmap = new Bitmap(aDrawingImage, iWidth, iHeight);
myTargetThumb = myBitmap.GetThumbnailImage(iWidth, iHeight, myCallback, IntPtr.Zero);
}
else
{
myBitmap = new Bitmap(iWidth, iHeight, aDrawingImage.PixelFormat);
//myBitmap.SetResolution(aDrawingImage.HorizontalResolution, aDrawingImage.VerticalResolution);
using (Graphics g = Graphics.FromImage(myBitmap))
{
g.CompositingQuality = Thumbs.Compositing;
g.InterpolationMode = Thumbs.Interpolation;
g.SmoothingMode = Thumbs.Smoothing;
g.DrawImage(aDrawingImage, new Rectangle(0, 0, iWidth, iHeight));
myTargetThumb = myBitmap;
}
}
return(SaveThumbnail(aThumbTargetPath, myTargetThumb));
}
catch (Exception)
{
return(false);
}
finally
{
if (myTargetThumb != null)
{
myTargetThumb.Dispose();
}
if (myBitmap != null)
{
myBitmap.Dispose();
}
}
}
/// <summary>
/// Creates a thumbnail of the specified image
/// </summary>
/// <param name="aDrawingImage">The source System.Drawing.Image</param>
/// <param name="aThumbTargetPath">Filename of the thumbnail to create</param>
/// <param name="aThumbWidth">Maximum width of the thumbnail</param>
/// <param name="aThumbHeight">Maximum height of the thumbnail</param>
/// <param name="aRotation">
/// 0 = no rotate
/// 1 = rotate 90 degrees
/// 2 = rotate 180 degrees
/// 3 = rotate 270 degrees
/// </param>
/// <param name="aFastMode">Use low quality resizing without interpolation suitable for small thumbnails</param>
/// <returns>Whether the thumb has been successfully created</returns>
public static bool CreateThumbnail(Image aDrawingImage, string aThumbTargetPath, int aThumbWidth, int aThumbHeight,
int aRotation, bool aFastMode)
{
bool result = false;
if (string.IsNullOrEmpty(aThumbTargetPath) || aThumbHeight <= 0 || aThumbHeight <= 0) return false;
Bitmap myBitmap = null;
Image myTargetThumb = null;
try
{
switch (aRotation)
{
case 1:
aDrawingImage.RotateFlip(RotateFlipType.Rotate90FlipNone);
break;
case 2:
aDrawingImage.RotateFlip(RotateFlipType.Rotate180FlipNone);
break;
case 3:
aDrawingImage.RotateFlip(RotateFlipType.Rotate270FlipNone);
break;
default:
break;
}
int iWidth = aThumbWidth;
int iHeight = aThumbHeight;
float fAR = (aDrawingImage.Width) / ((float)aDrawingImage.Height);
if (aDrawingImage.Width > aDrawingImage.Height)
iHeight = (int)Math.Floor((((float)iWidth) / fAR));
else
iWidth = (int)Math.Floor((fAR * ((float)iHeight)));
try
{
Utils.FileDelete(aThumbTargetPath);
}
catch (Exception ex)
{
Log.Error("Picture: Error deleting old thumbnail - {0}", ex.Message);
}
if (aFastMode)
{
Image.GetThumbnailImageAbort myCallback = new Image.GetThumbnailImageAbort(ThumbnailCallback);
myBitmap = new Bitmap(aDrawingImage, iWidth, iHeight);
myTargetThumb = myBitmap.GetThumbnailImage(iWidth, iHeight, myCallback, IntPtr.Zero);
}
else
{
PixelFormat format = aDrawingImage.PixelFormat;
switch (format)
{
case PixelFormat.Format1bppIndexed:
case PixelFormat.Format4bppIndexed:
case PixelFormat.Format8bppIndexed:
case PixelFormat.Undefined:
case PixelFormat.Format16bppArgb1555:
case PixelFormat.Format16bppGrayScale:
format = PixelFormat.Format32bppRgb;
break;
}
myBitmap = new Bitmap(iWidth, iHeight, format);
//myBitmap.SetResolution(aDrawingImage.HorizontalResolution, aDrawingImage.VerticalResolution);
using (Graphics g = Graphics.FromImage(myBitmap))
{
g.CompositingQuality = Thumbs.Compositing;
g.InterpolationMode = Thumbs.Interpolation;
g.SmoothingMode = Thumbs.Smoothing;
g.DrawImage(aDrawingImage, new Rectangle(0, 0, iWidth, iHeight));
myTargetThumb = myBitmap;
}
}
if (MediaPortal.Player.g_Player.Playing)
Thread.Sleep(30);
result = SaveThumbnail(aThumbTargetPath, myTargetThumb);
}
catch (Exception)
{
result = false;
}
finally
{
if (myTargetThumb != null)
myTargetThumb.SafeDispose();
if (myBitmap != null)
myBitmap.SafeDispose();
}
if (result && Utils.IsFileExistsCacheEnabled())
{
Log.Debug("CreateThumbnail : FileExistsInCache updated with new file: {0}", aThumbTargetPath);
Utils.DoInsertExistingFileIntoCache(aThumbTargetPath);
}
return result;
}
/// <summary>
/// The resize image.
/// </summary>
/// <param name="img">
/// The img.
/// </param>
/// <param name="width">
/// The width.
/// </param>
/// <param name="height">
/// The height.
/// </param>
/// <returns>
/// Returns the Resized Bitmap
/// </returns>
private Bitmap ResizeImage(Image img, int width, int height)
{
Image.GetThumbnailImageAbort callback = GetThumbAbort;
return((Bitmap)img.GetThumbnailImage(width, height, callback, IntPtr.Zero));
}
