/// <summary>
/// 儲存圖片
/// </summary>
void func_SaveBitmap(System.Drawing.Bitmap b, String type, string path)
{
//png
if (type == "png")
{
b.Save(path);
return;
}
//------------
//jpg
var jpgEncoder = GetEncoder(System.Drawing.Imaging.ImageFormat.Jpeg);
// Create an Encoder object based on the GUID
// for the Quality parameter category.
System.Drawing.Imaging.Encoder myEncoder = System.Drawing.Imaging.Encoder.Quality;
// Create an EncoderParameters object.
// An EncoderParameters object has an array of EncoderParameter
// objects. In this case, there is only one
// EncoderParameter object in the array.
var myEncoderParameters = new System.Drawing.Imaging.EncoderParameters(1);
var myEncoderParameter = new System.Drawing.Imaging.EncoderParameter(myEncoder, 98L);
myEncoderParameters.Param[0] = myEncoderParameter;
b.Save(path, jpgEncoder, myEncoderParameters);
}
public static void SaveImage(string fileName, int quality)
{
//画像ファイルを読み込む
System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(fileName);
//EncoderParameterオブジェクトを1つ格納できる
//EncoderParametersクラスの新しいインスタンスを初期化
//ここでは品質のみ指定するため1つだけ用意する
System.Drawing.Imaging.EncoderParameters eps =
new System.Drawing.Imaging.EncoderParameters(1);
//品質を指定
System.Drawing.Imaging.EncoderParameter ep = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, (long)quality);
//EncoderParametersにセットする
eps.Param[0] = ep;
//イメージエンコーダに関する情報を取得する
System.Drawing.Imaging.ImageCodecInfo ici = GetEncoderInfo("image/jpeg");
//新しいファイルの拡張子を取得する
string ext = ici.FilenameExtension.Split(';')[0];
ext = System.IO.Path.GetExtension(ext).ToLower();
//保存するファイル名を決定（拡張子を変える）
string saveName = System.IO.Path.ChangeExtension(fileName, ext);
//保存する
bmp.Save(saveName, ici, eps);
bmp.Dispose();
eps.Dispose();
}
public static byte[] ReduceWeightImage(System.Drawing.Image image, long minByteWeight, long maxByteWeight)
{
byte[] source = GetBytes(image);
if (source.Length < maxByteWeight)
{
return(source);
}
if (minByteWeight > 0 && maxByteWeight > 0)
{
if (minByteWeight > maxByteWeight)
{
(minByteWeight, maxByteWeight) = (maxByteWeight, minByteWeight);
}
if (maxByteWeight - minByteWeight < 50)
{
maxByteWeight = minByteWeight + 50;
}
System.Drawing.Imaging.ImageCodecInfo[] codecs = System.Drawing.Imaging.ImageCodecInfo.GetImageDecoders();
string mimeType = GetMimeType(image);
System.Drawing.Imaging.ImageCodecInfo imageCodecInfo = codecs[1];
System.Drawing.Imaging.Encoder encoder = System.Drawing.Imaging.Encoder.Quality;
System.Drawing.Imaging.EncoderParameters encoderParameters =
new System.Drawing.Imaging.EncoderParameters(1);
return(ReduceWeightImageProcess(source, source, minByteWeight, maxByteWeight, imageCodecInfo,
encoder, encoderParameters, source.LongLength * 85L / 1166927L));
}
return(source);
}
public static void writeToFile(COMMON.ByteMatrix matrix, System.Drawing.Imaging.ImageFormat format, string file)
{
System.Drawing.Imaging.EncoderParameters eps = new System.Drawing.Imaging.EncoderParameters();
eps.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality,100L);
Bitmap bmap = toBitmap(matrix);
bmap.Save(file,format);
}
private static System.Drawing.Imaging.EncoderParameters getOptiumQuarity(long size, System.Drawing.Bitmap bmp, System.Drawing.Imaging.ImageCodecInfo ici)
{
long quality = 100;
//EncoderParameterオブジェクトを1つ格納できる
//EncoderParametersクラスの新しいインスタンスを初期化
//ここでは品質のみ指定するため1つだけ用意する
System.Drawing.Imaging.EncoderParameters eps =
new System.Drawing.Imaging.EncoderParameters(1);
System.IO.MemoryStream sr = new System.IO.MemoryStream();
do
{
sr.Flush();//Streamの中身をクリア
sr = new System.IO.MemoryStream();
//品質を指定
System.Drawing.Imaging.EncoderParameter ep =
new System.Drawing.Imaging.EncoderParameter(
System.Drawing.Imaging.Encoder.Quality, (long)quality);
//EncoderParametersにセットする
eps.Param[0] = ep;
//試しに保存する
bmp.Save(sr, ici, eps);
quality -= 5;
} while (sr.Length > size);
return(eps);
}
public void SaveImage(string fileName, long size, int no)
{
//画像ファイルを読み込む
System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(fileName);
//イメージエンコーダに関する情報を取得する
System.Drawing.Imaging.ImageCodecInfo ici = GetEncoderInfo("image/jpeg");
try
{
//EncoderParameterオブジェクトを1つ格納できる
//EncoderParametersクラスの新しいインスタンスを初期化
//ここでは品質のみ指定するため1つだけ用意する
System.Drawing.Imaging.EncoderParameters eps = getOptiumQuarity(size, bmp, ici);
//ファイル名を取得
string saveName = getSaveFileName(fileName, size, no);
//保存する
bmp.Save(saveName, ici, eps);
bmp.Dispose();
eps.Dispose();
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
public byte[] compressPNG(byte[] srcBytes)
{
//byte[] result;
MemoryStream ms = new MemoryStream(srcBytes);
/*MemoryStream output = new MemoryStream();
* using (MagickImage image = new MagickImage(ms))
* {
* image.Format = MagickFormat.Jpeg;
* image.Quality = 80;
* image.Depth = 8;
* image.Write(output);
* }
* result = output.GetBuffer();
* return result;*/
ms.Position = 0;
Image srcBitmap = Bitmap.FromStream(ms);
MemoryStream output = new MemoryStream();
System.Drawing.Imaging.EncoderParameters ep = new System.Drawing.Imaging.EncoderParameters(2);
ep.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.ColorDepth, 8L);
ep.Param[1] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 80L);
srcBitmap.Save(output, GetEncoderInfo(), ep);
return(output.GetBuffer());
}
static void Main(string[] args)
{
foreach (string file in args)
{
try
{
System.Console.Write("Reading file: {0} ... ", file);
using (System.Drawing.Image image = System.Drawing.Image.FromFile(file))
{
System.Console.WriteLine("Done");
System.IO.FileInfo info = new System.IO.FileInfo(file);
string output = file.Replace(info.Extension, ".jpg");
System.Console.Write("Writing file: {0} ... ", output);
// Create parameters to specify quality.
System.Drawing.Imaging.ImageCodecInfo codec = Program.getCodecInfo("image/jpeg");
System.Drawing.Imaging.Encoder encoder = System.Drawing.Imaging.Encoder.Quality;
System.Drawing.Imaging.EncoderParameters parameters = new System.Drawing.Imaging.EncoderParameters(1);
parameters.Param[0] = new System.Drawing.Imaging.EncoderParameter(encoder, 100L);
// Write the file.
image.Save(output, codec, parameters);
System.Console.WriteLine("Done");
}
}
catch (System.Exception e)
{
System.Console.WriteLine("Error processing file '", file, ", ", e.Message);
}
}
}
public static byte[] ResizeImageToByte(string fileName, int width, int height)
{
using (Bitmap bmp = (Bitmap) new Bitmap(fileName).Clone())
{
Size newSize = new Size(width, height);
using (Bitmap newBmp = new Bitmap((System.Drawing.Image)bmp, newSize))
{
using (Graphics g = Graphics.FromImage(newBmp)) // Create Graphics object from original Image
{
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High;
g.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
//Set Image codec of JPEG type, the index of JPEG codec is "1"
System.Drawing.Imaging.ImageCodecInfo codec = System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders()[1];
//Set the parameters for defining the quality of the thumbnail... here it is set to 100%
System.Drawing.Imaging.EncoderParameters eParams = new System.Drawing.Imaging.EncoderParameters(1);
eParams.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 75L);
//Now draw the image on the instance of thumbnail Bitmap object
g.DrawImage(bmp, new Rectangle(0, 0, newBmp.Width, newBmp.Height));
//newBmp.Save(newFileName, codec, eParams);
//newBmp.Save(newFileName, Image.FromFile(fileName).RawFormat);
MemoryStream ms = new MemoryStream();
newBmp.Save(ms, bmp.RawFormat);
return(ms.GetBuffer());
}
}
}
}
private void saveAllDimensionsToFolderToolStripMenuItem_Click(object sender, EventArgs e)
{
try
{
FolderBrowserDialog dlg = new FolderBrowserDialog();
dlg.Description = "Save images of all dimension to directory...";
dlg.ShowNewFolderButton = true;
//dlg.RootFolder = System.Environment.SpecialFolder.;
if (dlg.ShowDialog(this) == DialogResult.OK)
{
System.Drawing.Imaging.EncoderParameters parameters1 = new System.Drawing.Imaging.EncoderParameters(3);
parameters1.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Compression, 2L);
parameters1.Param[1] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 95L);
parameters1.Param[2] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.ColorDepth, 24L);
foreach (Microsoft.AnalysisServices.Dimension d in dimension.Parent.Dimensions)
{
Bitmap img = VisualizeAttributeLattice.Render(d, VisualizeAttributeLattice.LatticeLayoutMethod.DeepestPathsFirst, showOnlyMultilevelRelationshipsToolStripMenuItem.Checked);
img.Save(dlg.SelectedPath + "\\" + d.Name + ".jpg", VisualizeAttributeLattice.GetJpegCodec(), parameters1);
img.Dispose();
}
}
}
catch (Exception ex)
{
MessageBox.Show("Error: " + ex.Message);
}
}
// ---------------------------------------------------------------------------
/*
* you DO NOT want to use classes within the System.Drawing namespace to
* manipulate image files in ASP.NET applications, see the warning here:
* http://msdn.microsoft.com/en-us/library/system.drawing.aspx
*/
public byte[] CreatePdf(long quality) {
using (MemoryStream msDoc = new MemoryStream()) {
Image img = null;
using (System.Drawing.Bitmap dotnetImg =
new System.Drawing.Bitmap(RESOURCE))
{
// set codec to jpeg type => jpeg index codec is "1"
System.Drawing.Imaging.ImageCodecInfo codec =
System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders()[1];
// set parameters for image quality
System.Drawing.Imaging.EncoderParameters eParams =
new System.Drawing.Imaging.EncoderParameters(1);
eParams.Param[0] =
new System.Drawing.Imaging.EncoderParameter(
System.Drawing.Imaging.Encoder.Quality, quality
);
using (MemoryStream msImg = new MemoryStream()) {
dotnetImg.Save(msImg, codec, eParams);
msImg.Position = 0;
img = Image.GetInstance(msImg);
img.SetAbsolutePosition(15, 15);
// step 1
using (Document document = new Document()) {
// step 2
PdfWriter.GetInstance(document, msDoc);
// step 3
document.Open();
// step 4
document.Add(img);
}
}
}
return msDoc.ToArray();
}
}
public override void ScreenShot(out String path)
{
base.ScreenShot(out path);
var fs = FileSystem.OpenWrite(path, true);
if (fs == null)
{
ConsoleWrapper.Print("SCR_ScreenShot_f: Couldn't create a file\n");
return;
}
using (var bmp = new Bitmap(Desc.ActualWidth, Desc.ActualHeight))
{
var data = bmp.LockBits(new Rectangle(0, 0, Desc.ActualWidth, Desc.ActualHeight), System.Drawing.Imaging.ImageLockMode.WriteOnly, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
GL.ReadPixels(0, 0, Desc.ActualWidth, Desc.ActualHeight, PixelFormat.Bgr, PixelType.UnsignedByte, data.Scan0);
bmp.UnlockBits(data);
bmp.RotateFlip(RotateFlipType.RotateNoneFlipY);
var encoder = System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders( ).First(c => c.FormatID == System.Drawing.Imaging.ImageFormat.Jpeg.Guid);
var encParams = new System.Drawing.Imaging.EncoderParameters( )
{
Param = new[] { new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 100L) }
};
bmp.Save(fs, encoder, encParams);
}
ConsoleWrapper.Print("Wrote {0}\n", Path.GetFileName(path));
}
public static System.Drawing.Imaging.EncoderParameters GetQualityParameters(long ImageQuality)
{
System.Drawing.Imaging.EncoderParameters encoderParams = new System.Drawing.Imaging.EncoderParameters();
System.Drawing.Imaging.EncoderParameter encoderParam = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, ImageQuality);
encoderParams.Param = new System.Drawing.Imaging.EncoderParameter[] { encoderParam };
return(encoderParams);
}
protected static void ImageResize(System.Drawing.Image orjinalFoto, int boyut, string dosyaAdi, string filePath)
{
System.Drawing.Bitmap islenmisFotograf = null;
System.Drawing.Graphics grafik = null;
int hedefGenislik = boyut;
int hedefYukseklik = boyut;
int new_width, new_height;
new_height = (int)Math.Round(((float)orjinalFoto.Height * (float)boyut) / (float)orjinalFoto.Width);
new_width = hedefGenislik;
hedefYukseklik = new_height;
new_width = new_width > hedefGenislik ? hedefGenislik : new_width;
new_height = new_height > hedefYukseklik ? hedefYukseklik : new_height;
islenmisFotograf = new System.Drawing.Bitmap(hedefGenislik, hedefYukseklik);
grafik = System.Drawing.Graphics.FromImage(islenmisFotograf);
grafik.FillRectangle(new System.Drawing.SolidBrush(System.Drawing.Color.White), new System.Drawing.Rectangle(0, 0, hedefGenislik, hedefYukseklik));
int paste_x = (hedefGenislik - new_width) / 2;
int paste_y = (hedefYukseklik - new_height) / 2;
grafik.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
grafik.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
grafik.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.Default;
System.Drawing.Imaging.ImageCodecInfo codec = System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders()[1];
System.Drawing.Imaging.EncoderParameters eParams = new System.Drawing.Imaging.EncoderParameters(1);
eParams.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 95L);
grafik.DrawImage(orjinalFoto, paste_x, paste_y, new_width, new_height);
islenmisFotograf.Save(HttpContext.Current.Server.MapPath(filePath + dosyaAdi), codec, eParams);
}
/// <summary>
/// JPGファイルに変換
/// </summary>
/// <param name="pngPath">元のPNGファイルフルパス</param>
/// <param name="quality">品質(0-100)</param>
/// <returns></returns>
static string ConvertToJpeg(string pngPath, int quality)
{
string jpgPath = null;
using (Bitmap bmp = new Bitmap(pngPath))
{
try
{
string ext = System.IO.Path.GetExtension(pngPath);
jpgPath = pngPath.Replace(ext, "") + ".jpg";
System.Drawing.Imaging.EncoderParameters eps = new System.Drawing.Imaging.EncoderParameters(1);
System.Drawing.Imaging.EncoderParameter ep = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, (long)quality);
eps.Param[0] = ep;
System.Drawing.Imaging.ImageCodecInfo ici = GetEncoderInfo("image/jpeg");
bmp.Save(jpgPath, ici, eps);
}
catch (Exception ex)
{
throw ex;
}
bmp.Dispose();
}
return(jpgPath);
}
private static Bitmap ZoomImage(Bitmap sourImage, int destWidth)
{
try
{
Bitmap destBitmap = new Bitmap(destWidth, 50);
Graphics g = Graphics.FromImage(destBitmap);
g.Clear(Color.Transparent);
//设置画布的描绘质量
g.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.AssumeLinear;
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBilinear;
g.DrawImage(sourImage, new Rectangle(0, 0, destWidth, 50), 0, 0, sourImage.Width, sourImage.Height, GraphicsUnit.Point);
g.Dispose();
//设置压缩质量
System.Drawing.Imaging.EncoderParameters encoderParams = new System.Drawing.Imaging.EncoderParameters();
long[] quality = new long[1];
quality[0] = 100;
System.Drawing.Imaging.EncoderParameter encoderParam = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, quality);
encoderParams.Param[0] = encoderParam;
sourImage.Dispose();
return(destBitmap);
}
catch
{
return(sourImage);
}
}
public void KucukBoyut(System.Drawing.Image yuklenenFoto, int resimBoyutu, string resimIsmi)
{
System.Drawing.Bitmap islenmisFoto = null;
System.Drawing.Graphics grafikNesnesi = null;
int hedeflenenGenislik = resimBoyutu;
int hedeflenenYukseklik = resimBoyutu;
int yeni_gen, yeni_yuk;
yeni_yuk = (int)Math.Round(((float)yuklenenFoto.Height * (float)resimBoyutu) / (float)yuklenenFoto.Width);
yeni_gen = hedeflenenGenislik;
hedeflenenYukseklik = yeni_yuk;
yeni_gen = yeni_gen > hedeflenenGenislik ? hedeflenenGenislik : yeni_gen;
yeni_yuk = yeni_yuk > hedeflenenYukseklik ? hedeflenenYukseklik : yeni_yuk;
islenmisFoto = new System.Drawing.Bitmap(hedeflenenGenislik, hedeflenenYukseklik);
grafikNesnesi = System.Drawing.Graphics.FromImage(islenmisFoto);
grafikNesnesi.FillRectangle(new System.Drawing.SolidBrush(System.Drawing.Color.White), new System.Drawing.Rectangle(0, 0, hedeflenenGenislik, hedeflenenYukseklik));
int x = (hedeflenenGenislik - yeni_gen) / 2;
int y = (hedeflenenYukseklik - yeni_yuk) / 2;
grafikNesnesi.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
grafikNesnesi.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
grafikNesnesi.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.Default;
System.Drawing.Imaging.ImageCodecInfo codec = System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders()[1];
System.Drawing.Imaging.EncoderParameters eParams = new System.Drawing.Imaging.EncoderParameters(1);
eParams.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 95L);
grafikNesnesi.DrawImage(yuklenenFoto, x, y, yeni_gen, yeni_yuk);
islenmisFoto.Save(Server.MapPath("/Content/" + resimIsmi), codec, eParams);
}
public static string GetJPEGBase64StringFromBitmapImage(BitmapImage bmpImage, long jpegEncoderQuality, System.Drawing.RotateFlipType rotateFlip)
{
System.Drawing.Bitmap bmp = null;
MemoryStream ms = new MemoryStream();
try
{
System.Drawing.Imaging.EncoderParameters encoderParameters = new System.Drawing.Imaging.EncoderParameters(1);
System.Drawing.Imaging.Encoder myEncoder = System.Drawing.Imaging.Encoder.Quality;
encoderParameters.Param[0] = new System.Drawing.Imaging.EncoderParameter(myEncoder, jpegEncoderQuality);
System.Drawing.Imaging.ImageCodecInfo jgpEncoder = GetEncoder(System.Drawing.Imaging.ImageFormat.Jpeg);
bmp = UIHelper.BitmapImage2Bitmap(bmpImage);
bmp.RotateFlip(rotateFlip);
bmp.Save(ms, jgpEncoder, encoderParameters);
return(Convert.ToBase64String(ms.ToArray()));
}
finally
{
DeleteObject(bmp.GetHbitmap());
bmp.Dispose();
bmp = null;
}
}
private void saveAllDimensionsToFolderToolStripMenuItem_Click(object sender, EventArgs e)
{
try
{
FolderBrowserDialog dlg = new FolderBrowserDialog();
dlg.Description = "Save images of all dimension to directory...";
dlg.ShowNewFolderButton = true;
//dlg.RootFolder = System.Environment.SpecialFolder.;
if (dlg.ShowDialog(this) == DialogResult.OK)
{
System.Drawing.Imaging.EncoderParameters parameters1 = new System.Drawing.Imaging.EncoderParameters(3);
parameters1.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Compression, 2L);
parameters1.Param[1] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 95L);
parameters1.Param[2] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.ColorDepth, 24L);
foreach (Microsoft.AnalysisServices.Dimension d in dimension.Parent.Dimensions)
{
Bitmap img = VisualizeAttributeLattice.Render(d, VisualizeAttributeLattice.LatticeLayoutMethod.DeepestPathsFirst, showOnlyMultilevelRelationshipsToolStripMenuItem.Checked);
img.Save(dlg.SelectedPath + "\\" + d.Name + ".jpg", VisualizeAttributeLattice.GetJpegCodec(), parameters1);
img.Dispose();
}
}
}
catch (Exception ex)
{
MessageBox.Show("Error: " + ex.Message);
}
}
public static void Thumbize(string pPage, string pThumb, Document document, Page page)
{
System.IO.MemoryStream cryptoStream = new System.IO.MemoryStream(Utility.Security.AES.DecryptStream(page.Token, System.IO.File.ReadAllBytes(System.IO.Path.Combine(pPage, page.Filename))).ToArray());
using (var srcImage = System.Drawing.Image.FromStream(cryptoStream))
{
var newWidth = 300;
var newHeight = 200;
using (var newImage = new Bitmap(newWidth, newHeight))
using (var graphics = Graphics.FromImage(newImage))
{
graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
graphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
graphics.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighQuality;
graphics.DrawImage(srcImage, new System.Drawing.Rectangle(0, 0, newWidth, newHeight));
System.IO.MemoryStream ms = new System.IO.MemoryStream();
System.Drawing.Imaging.EncoderParameters parms = new System.Drawing.Imaging.EncoderParameters(1);
parms.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Compression, 0);
System.Drawing.Imaging.ImageCodecInfo jpegEncoder = System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders().FirstOrDefault(e => e.FormatDescription == "JPEG");
newImage.Save(ms, jpegEncoder, parms);
System.IO.File.WriteAllBytes(System.IO.Path.Combine(pThumb, string.Format("{0}.jpg", document.Id.ToString())), SoftFluent.Samples.GED.Utility.Security.AES.EncryptStream(document.Token, ms.ToArray()).ToArray());
ms.Close();
}
}
}
/**/
/// <param name="fileName">图像名</param>
/// <param name="quality">品质</param>
public static void SaveImage(string fileName, int quality)
{
Bitmap myBitmap = new Bitmap(fileName);
System.Drawing.Imaging.EncoderParameters myEncoderParameters =
new System.Drawing.Imaging.EncoderParameters(1);
System.Drawing.Imaging.EncoderParameter myEncoderParameter =
new System.Drawing.Imaging.EncoderParameter(
System.Drawing.Imaging.Encoder.Quality, quality);
myEncoderParameters.Param[0] = myEncoderParameter;
System.Drawing.Imaging.ImageCodecInfo myImageCodecInfo;
myImageCodecInfo = GetEncoderInfo("image/jpeg");
string ext = myImageCodecInfo.FilenameExtension.Split(';')[0];
ext = System.IO.Path.GetExtension(ext).ToLower();
string saveName = System.IO.Path.ChangeExtension(fileName, ext);
//保存
myBitmap.Save(saveName, myImageCodecInfo, myEncoderParameters);
}
public static void Thumbize(string pPage, string pThumb, Document document, Page page)
{
System.IO.MemoryStream cryptoStream = new System.IO.MemoryStream(Utility.Security.AES.DecryptStream(page.Token, System.IO.File.ReadAllBytes(System.IO.Path.Combine(pPage, page.Filename))).ToArray());
using (var srcImage = System.Drawing.Image.FromStream(cryptoStream))
{
var newWidth = 300;
var newHeight = 200;
using (var newImage = new Bitmap(newWidth, newHeight))
using (var graphics = Graphics.FromImage(newImage))
{
graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
graphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
graphics.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighQuality;
graphics.DrawImage(srcImage, new System.Drawing.Rectangle(0, 0, newWidth, newHeight));
System.IO.MemoryStream ms = new System.IO.MemoryStream();
System.Drawing.Imaging.EncoderParameters parms = new System.Drawing.Imaging.EncoderParameters(1);
parms.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Compression, 0);
System.Drawing.Imaging.ImageCodecInfo jpegEncoder = System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders().FirstOrDefault(e => e.FormatDescription == "JPEG");
newImage.Save(ms, jpegEncoder, parms);
System.IO.File.WriteAllBytes(System.IO.Path.Combine(pThumb, string.Format("{0}.jpg", document.Id.ToString())), SoftFluent.Samples.GED.Utility.Security.AES.EncryptStream(document.Token, ms.ToArray()).ToArray());
ms.Close();
}
}
}
private void WriteBMP(Bitmap bmp, string filename, DateTime datetimeutc)
{
using (var memstream = new MemoryStream())
{
if (OutputFileExtension == OutputTypes.jpg)
{
var encodeparams = new System.Drawing.Imaging.EncoderParameters();
encodeparams.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, Quality);
bmp.Save(memstream, GetCodec(System.Drawing.Imaging.ImageFormat.Jpeg), encodeparams);
}
else if (OutputFileExtension == OutputTypes.tiff)
{
bmp.Save(memstream, System.Drawing.Imaging.ImageFormat.Tiff);
}
else if (OutputFileExtension == OutputTypes.bmp)
{
bmp.Save(memstream, System.Drawing.Imaging.ImageFormat.Bmp);
}
else
{
bmp.Save(memstream, System.Drawing.Imaging.ImageFormat.Png);
}
File.WriteAllBytes(filename, memstream.ToArray());
File.SetCreationTime(filename, datetimeutc);
}
}
private void buttonSavePicture_Click(object sender, EventArgs e)
{
if (pictureBoxHierarchy.Image != null)
{
SaveFileDialog savedialog = new SaveFileDialog();
savedialog.Title = "Сохранить картинку как...";
savedialog.OverwritePrompt = true;
savedialog.CheckPathExists = true;
savedialog.Filter = "Image Files(*.JPG)|*.JPG";
savedialog.ShowHelp = true;
System.Drawing.Imaging.ImageCodecInfo jpgEncoder = GetEncoder(System.Drawing.Imaging.ImageFormat.Jpeg);
System.Drawing.Imaging.Encoder myEncoder = System.Drawing.Imaging.Encoder.Quality;
System.Drawing.Imaging.EncoderParameters myEncoderParameters = new System.Drawing.Imaging.EncoderParameters(1);
System.Drawing.Imaging.EncoderParameter myEncoderParameter = new System.Drawing.Imaging.EncoderParameter(myEncoder, 100L);
myEncoderParameters.Param[0] = myEncoderParameter;
if (savedialog.ShowDialog() == DialogResult.OK)
{
try
{
pictureBoxHierarchy.Image.Save(savedialog.FileName, jpgEncoder, myEncoderParameters);
}
catch
{
MessageBox.Show("Невозможно сохранить изображение", "Ошибка",
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ThumbnailCreator"/> class.
/// </summary>
/// <param name="tnSettings">The <see cref="ThumbnailSettings"/> to use.</param>
/// <param name="worker">The <see cref="System.ComponentModel.BackgroundWorker"/>worker to use.
/// </param>
public ThumbnailCreator(ThumbnailSettings tnSettings, System.ComponentModel.BackgroundWorker worker)
{
this._tnSettings = tnSettings;
this._worker = worker;
#if false
_imageCodec = GetEncoder (System.Drawing.Imaging.ImageFormat.Png);
_qualityParameter = new System.Drawing.Imaging.EncoderParameter (
System.Drawing.Imaging.Encoder.Quality, 75L);
_qualityParameters = new System.Drawing.Imaging.EncoderParameters (1);
_qualityParameters.Param[0] = _qualityParameter;
#else
_imageCodec = GetEncoder (System.Drawing.Imaging.ImageFormat.Jpeg);
_qualityParameter = new System.Drawing.Imaging.EncoderParameter (
System.Drawing.Imaging.Encoder.Quality, 75L);
_qualityParameters = new System.Drawing.Imaging.EncoderParameters (1);
_qualityParameters.Param[0] = _qualityParameter;
#endif
#if false
using (System.Drawing.Bitmap bitmap1 = new System.Drawing.Bitmap (1, 1))
{
System.Drawing.Imaging.EncoderParameters paramList =
bitmap1.GetEncoderParameterList (_imageCodec.Clsid);
System.Drawing.Imaging.EncoderParameter[] encParams = paramList.Param;
foreach (System.Drawing.Imaging.EncoderParameter p in encParams)
{
THelper.Information ("Type {0}, GUID {1}", p.ValueType, p.Encoder.Guid);
}
paramList.Dispose ();
}
#endif
}
public virtual void saveJPEG(System.String filename)
{
try
{
// Set the quality to 100 (must be a long)
System.Drawing.Imaging.Encoder qualityEncoder = System.Drawing.Imaging.Encoder.Quality;
System.Drawing.Imaging.EncoderParameter ratio = new System.Drawing.Imaging.EncoderParameter(qualityEncoder, 100L);
// Add the quality parameter to the list
System.Drawing.Imaging.EncoderParameters codecParams = new System.Drawing.Imaging.EncoderParameters(1);
codecParams.Param[0] = ratio;
// Get Codec Info using MIME type
System.Drawing.Imaging.ImageCodecInfo JpegCodecInfo = GetEncoderInfo("image/jpeg");
//
System.Console.Out.WriteLine("Saving '" + filename + "'.");
offImg.Save(filename, JpegCodecInfo, codecParams);
System.Console.Out.WriteLine("JPEG image saved.");
}
catch (System.Exception e)
{
System.Console.Out.WriteLine(e);
}
}
public void SaveBmpWithImageCodecInfo(System.Drawing.Image img, string photoPath)
{
System.Drawing.Imaging.ImageCodecInfo encoderInfo = PictureWaterMark.GetEncoderInfo("image/jpeg");
System.Drawing.Imaging.Encoder quality = System.Drawing.Imaging.Encoder.Quality;
System.Drawing.Imaging.EncoderParameters encoderParameters = new System.Drawing.Imaging.EncoderParameters(1);
System.Drawing.Imaging.EncoderParameter encoderParameter = new System.Drawing.Imaging.EncoderParameter(quality, 100L);
encoderParameters.Param[0] = encoderParameter;
if (img == null)
{
return;
}
System.Drawing.Bitmap bitmap = null;
try
{
bitmap = new System.Drawing.Bitmap(img);
bitmap.Save(photoPath, encoderInfo, encoderParameters);
}
catch (Exception ex)
{
Log.WriteLog("SaveBmpWithImageCodecInfo出错", ex);
}
finally
{
bitmap.Dispose();
}
}
public static System.Drawing.Imaging.EncoderParameters GetEncoderParameters()
{
System.Drawing.Imaging.EncoderParameters parameters1 = new System.Drawing.Imaging.EncoderParameters(3);
parameters1.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Compression, 2L);
parameters1.Param[1] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 95L);
parameters1.Param[2] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.ColorDepth, 24L);
return parameters1;
}
public static void writeToFile(COMMON.ByteMatrix matrix, System.Drawing.Imaging.ImageFormat format, string file)
{
System.Drawing.Imaging.EncoderParameters eps = new System.Drawing.Imaging.EncoderParameters();
eps.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 100L);
Bitmap bmap = toBitmap(matrix);
bmap.Save(file, format);
}
public static System.Drawing.Imaging.EncoderParameters GetEncoderParameters()
{
System.Drawing.Imaging.EncoderParameters parameters1 = new System.Drawing.Imaging.EncoderParameters(3);
parameters1.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Compression, 2L);
parameters1.Param[1] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 95L);
parameters1.Param[2] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.ColorDepth, 24L);
return(parameters1);
}
public static void ExtractImagesFromPDF(string password, string key, string docPath, string pagePath, PageCollection pages)
{
Page page = null;
// NOTE: This will only get the first image it finds per page.
PdfReader pdf = new PdfReader(Utility.Security.AES.DecryptFile(key, docPath));
//RandomAccessFileOrArray raf = new iTextSharp.text.pdf.RandomAccessFileOrArray(p);
try
{
for (int pageNumber = 1; pageNumber <= pdf.NumberOfPages; pageNumber++)
{
PdfDictionary pg = pdf.GetPageN(pageNumber);
// recursively search pages, forms and groups for images.
PdfObject obj = FindImageInPDFDictionary(pg);
if (obj != null)
{
int XrefIndex = Convert.ToInt32(((PRIndirectReference)obj).Number.ToString(System.Globalization.CultureInfo.InvariantCulture));
PdfObject pdfObj = pdf.GetPdfObject(XrefIndex);
PdfStream pdfStrem = (PdfStream)pdfObj;
byte[] bytes = PdfReader.GetStreamBytesRaw((PRStream)pdfStrem);
if ((bytes != null))
{
using (System.IO.MemoryStream memStream = new System.IO.MemoryStream(bytes))
{
memStream.Position = 0;
System.Drawing.Image img = System.Drawing.Image.FromStream(memStream);
// must save the file while stream is open.
page = new Page();
page.Order = pages.Count;
page.Save();
page.Token = Utility.Security.AES.GetToken(page.Id, password);
//string path = System.IO.Path.Combine(page.Filename, String.Format(@"{0}.jpg", pageNumber));
System.Drawing.Imaging.EncoderParameters parms = new System.Drawing.Imaging.EncoderParameters(1);
parms.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Compression, 0);
System.Drawing.Imaging.ImageCodecInfo jpegEncoder = System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders().FirstOrDefault(e => e.FormatDescription == "JPEG");
System.IO.MemoryStream ms = new System.IO.MemoryStream();
img.Save(ms, jpegEncoder, parms);
System.IO.File.WriteAllBytes(System.IO.Path.Combine(pagePath, page.Filename), SoftFluent.Samples.GED.Utility.Security.AES.EncryptStream(page.Token, ms.ToArray()).ToArray());
ms.Close();
pages.Add(page);
}
}
}
}
}
catch
{
throw;
}
finally
{
pdf.Close();
//raf.Close();
}
}
public static void ExtractImagesFromPDF(string password, string key, string docPath, string pagePath, PageCollection pages)
{
Page page = null;
// NOTE: This will only get the first image it finds per page.
PdfReader pdf = new PdfReader(Utility.Security.AES.DecryptFile(key, docPath));
//RandomAccessFileOrArray raf = new iTextSharp.text.pdf.RandomAccessFileOrArray(p);
try
{
for (int pageNumber = 1; pageNumber <= pdf.NumberOfPages; pageNumber++)
{
PdfDictionary pg = pdf.GetPageN(pageNumber);
// recursively search pages, forms and groups for images.
PdfObject obj = FindImageInPDFDictionary(pg);
if (obj != null)
{
int XrefIndex = Convert.ToInt32(((PRIndirectReference)obj).Number.ToString(System.Globalization.CultureInfo.InvariantCulture));
PdfObject pdfObj = pdf.GetPdfObject(XrefIndex);
PdfStream pdfStrem = (PdfStream)pdfObj;
byte[] bytes = PdfReader.GetStreamBytesRaw((PRStream)pdfStrem);
if ((bytes != null))
{
using (System.IO.MemoryStream memStream = new System.IO.MemoryStream(bytes))
{
memStream.Position = 0;
System.Drawing.Image img = System.Drawing.Image.FromStream(memStream);
// must save the file while stream is open.
page = new Page();
page.Order = pages.Count;
page.Save();
page.Token = Utility.Security.AES.GetToken(page.Id, password);
//string path = System.IO.Path.Combine(page.Filename, String.Format(@"{0}.jpg", pageNumber));
System.Drawing.Imaging.EncoderParameters parms = new System.Drawing.Imaging.EncoderParameters(1);
parms.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Compression, 0);
System.Drawing.Imaging.ImageCodecInfo jpegEncoder = System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders().FirstOrDefault(e => e.FormatDescription == "JPEG");
System.IO.MemoryStream ms = new System.IO.MemoryStream();
img.Save(ms, jpegEncoder, parms);
System.IO.File.WriteAllBytes(System.IO.Path.Combine(pagePath, page.Filename), SoftFluent.Samples.GED.Utility.Security.AES.EncryptStream(page.Token, ms.ToArray()).ToArray());
ms.Close();
pages.Add(page);
}
}
}
}
}
catch
{
throw;
}
finally
{
pdf.Close();
//raf.Close();
}
}
private static void BitmapToJPEG(Bitmap objBitmap, string strFilename, long lngCompression)
{
System.Drawing.Imaging.EncoderParameters objEncoderParameters;
System.Drawing.Imaging.ImageCodecInfo objImageCodecInfo;
objEncoderParameters = new System.Drawing.Imaging.EncoderParameters(1);
objImageCodecInfo = GetEncoderInfo("image/jpeg");
objEncoderParameters.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, lngCompression);
objBitmap.Save(strFilename, objImageCodecInfo, objEncoderParameters);
}
public static void SaveImage(System.Drawing.Image Image, string Destination)
{
System.Drawing.Imaging.ImageCodecInfo jgpEncoder = GetEncoder(System.Drawing.Imaging.ImageFormat.Jpeg);
System.Drawing.Imaging.Encoder myEncoder = System.Drawing.Imaging.Encoder.Quality;
System.Drawing.Imaging.EncoderParameters myEncoderParameters = new System.Drawing.Imaging.EncoderParameters(1);
System.Drawing.Imaging.EncoderParameter myEncoderParameter = new System.Drawing.Imaging.EncoderParameter(myEncoder, (long)Settings.ImageQuality);
myEncoderParameters.Param[0] = myEncoderParameter;
Image.Save(Destination, jgpEncoder, myEncoderParameters);
}
private static System.Drawing.Image SaveImages(
System.Drawing.Imaging.ImageCodecInfo tiffCodec
, System.IO.MemoryStream outputStream
, System.Drawing.Image tiffImage, System.Drawing.Image firstImage)
{
using (System.Drawing.Imaging.EncoderParameters encParameters =
new System.Drawing.Imaging.EncoderParameters(3))
{
if (firstImage == null)
{
encParameters.Param[0] = new System.Drawing.Imaging.EncoderParameter(
System.Drawing.Imaging.Encoder.SaveFlag
, (long)System.Drawing.Imaging.EncoderValue.MultiFrame // 18L
);
}
else
{
encParameters.Param[0] = new System.Drawing.Imaging.EncoderParameter(
System.Drawing.Imaging.Encoder.SaveFlag
, (long)System.Drawing.Imaging.EncoderValue.FrameDimensionPage // 23L
);
}
encParameters.Param[1] = new System.Drawing.Imaging.EncoderParameter(
System.Drawing.Imaging.Encoder.ColorDepth, 24L
);
encParameters.Param[2] = new System.Drawing.Imaging.EncoderParameter(
System.Drawing.Imaging.Encoder.Compression
, (long)System.Drawing.Imaging.EncoderValue.CompressionLZW
);
if (firstImage == null)
{
firstImage = tiffImage;
((System.Drawing.Bitmap)tiffImage).SetResolution(96, 96);
firstImage.Save(outputStream, tiffCodec, encParameters);
}
else
{
((System.Drawing.Bitmap)tiffImage).SetResolution(96, 96);
firstImage.SaveAdd(tiffImage, encParameters);
}
if (encParameters.Param[0] != null)
{
encParameters.Param[0].Dispose();
}
if (encParameters.Param[1] != null)
{
encParameters.Param[1].Dispose();
}
if (encParameters.Param[2] != null)
{
encParameters.Param[2].Dispose();
}
} // End Using encParameters
return(firstImage);
}
private void MakeThumbnail()
{
using (Image img = new Bitmap(_filePath))
{
Size newSize = GenerateImageDimensions(img.Width, img.Height, _maxWidth, _maxHeight);
int imgWidth = newSize.Width;
int imgHeight = newSize.Height;
// create the thumbnail image
using (Image img2 =
img.GetThumbnailImage(imgWidth, imgHeight,
new Image.GetThumbnailImageAbort(Abort),
IntPtr.Zero))
{
using (Graphics g = Graphics.FromImage(img2)) // Create Graphics object from original Image
{
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High;
g.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
//BMP 0, JPEG 1 , GIF 2 , TIFF 3, PNG 4
System.Drawing.Imaging.ImageCodecInfo codec;
switch (Path.GetExtension(_filePath))
{
case ".gif":
codec = System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders()[2];
ImageFormat = System.Drawing.Imaging.ImageFormat.Gif;
MimeType = "image/gif";
break;
case ".png":
codec = System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders()[4];
ImageFormat = System.Drawing.Imaging.ImageFormat.Png;
MimeType = "image/png";
break;
default: //jpg
codec = System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders()[1];
ImageFormat = System.Drawing.Imaging.ImageFormat.Jpeg;
MimeType = "image/jpg";
break;
}
//Set the parameters for defining the quality of the thumbnail... here it is set to 100%
System.Drawing.Imaging.EncoderParameters eParams = new System.Drawing.Imaging.EncoderParameters(1);
eParams.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 90L);
//Now draw the image on the instance of thumbnail Bitmap object
g.DrawImage(img, new Rectangle(0, 0, img2.Width, img2.Height));
MemoryStream ms = new MemoryStream();
img2.Save(ms, codec, eParams);
ImageBytes = new byte[ms.Length];
ImageBytes = ms.ToArray();
ms.Close();
ms.Dispose();
}
}
}
}
public static byte[] MakeClearlyImage(string originalImagePath, long p = 30)
{
MemoryStream stream = new MemoryStream();
//获取原始图片
System.Drawing.Image originalImage = System.Drawing.Image.FromFile(originalImagePath);
//新建一个bmp图片,并设置缩略图大小.
System.Drawing.Image bitmap = new System.Drawing.Bitmap(originalImage.Width, originalImage.Height);
//新建一个画板
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(bitmap);
//设置高质量插值法
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBilinear;
//设置高质量,低速度呈现平滑程度
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
//清空画布并设置背景色
g.Clear(System.Drawing.Color.FromArgb(100, 255, 255, 255));
//在指定位置并且按指定大小绘制原图片的指定部分
//第一个System.Drawing.Rectangle是原图片的画布坐标和宽高,第二个是原图片写在画布上的坐标和宽高,最后一个参数是指定数值单位为像素
g.DrawImage(originalImage, new System.Drawing.Point()
{
X = 0, Y = 0
});
System.Drawing.Imaging.ImageCodecInfo encoder = System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders().FirstOrDefault(a => a.MimeType == "image/jpeg");
try
{
if (encoder != null)
{
System.Drawing.Imaging.EncoderParameters encoderParams = new System.Drawing.Imaging.EncoderParameters(1);
//设置 jpeg 质量为 60
encoderParams.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, p);
bitmap.Save(stream, encoder, encoderParams);
encoderParams.Dispose();
return(stream.ToArray());
}
}
catch (System.Exception e)
{
new TxtLogHelper().Error(e);
throw e;
}
finally
{
originalImage.Dispose();
bitmap.Dispose();
g.Dispose();
}
return(null);
}
public static MemoryStream CreateImageForDB(Stream sFile, int intHeight, int intWidth)
{
var newStream = new MemoryStream();
var g = Image.FromStream(sFile);
//Dim thisFormat = g.RawFormat
if (intHeight > 0 & intWidth > 0)
{
int newHeight;
int newWidth;
newHeight = intHeight;
newWidth = intWidth;
Size imgSize;
if (g.Width > newWidth | g.Height > newHeight)
{
imgSize = NewImageSize(g.Width, g.Height, newWidth, newHeight);
imgHeight = imgSize.Height;
imgWidth = imgSize.Width;
}
else
{
imgHeight = g.Height;
imgWidth = g.Width;
}
}
else
{
imgWidth = g.Width;
imgHeight = g.Height;
}
var imgOutput1 = new Bitmap(g, imgWidth, imgHeight);
Graphics bmpOutput = Graphics.FromImage(imgOutput1);
bmpOutput.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
bmpOutput.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
var compressionRectange = new Rectangle(0, 0, imgWidth, imgHeight);
bmpOutput.DrawImage(g, compressionRectange);
System.Drawing.Imaging.ImageCodecInfo myImageCodecInfo;
System.Drawing.Imaging.Encoder myEncoder;
System.Drawing.Imaging.EncoderParameter myEncoderParameter;
System.Drawing.Imaging.EncoderParameters myEncoderParameters;
myImageCodecInfo = GetEncoderInfo("image/jpeg");
myEncoder = System.Drawing.Imaging.Encoder.Quality;
myEncoderParameters = new System.Drawing.Imaging.EncoderParameters(1);
myEncoderParameter = new System.Drawing.Imaging.EncoderParameter(myEncoder, 90);
myEncoderParameters.Param[0] = myEncoderParameter;
imgOutput1.Save(newStream, myImageCodecInfo, myEncoderParameters);
g.Dispose();
imgOutput1.Dispose();
bmpOutput.Dispose();
return(newStream);
}
public static void SaveJPEG(this Bitmap a_bitmap, Stream a_stream, int a_quality)
{
Debug.Assert(a_quality > 0);
Debug.Assert(a_quality <= 100);
var eps = new System.Drawing.Imaging.EncoderParameters(1);
eps.Param[0] = new System.Drawing.Imaging.EncoderParameter(
System.Drawing.Imaging.Encoder.Quality,
(long)a_quality);
a_bitmap.Save(a_stream,
System.Drawing.Imaging.ImageCodecInfo.GetImageDecoders().FirstOrDefault(
c => c.FormatID == System.Drawing.Imaging.ImageFormat.Jpeg.Guid),
eps);
}
/// <summary>
/// ����ͼƬ�ļ�
/// </summary>
/// <param name="fileName">ͼƬ�ļ���</param>
public static void CreateImage(string fileName)
{
int width = 1;
int height = 0;
int constWidth = 100;
FileInfo fi = new FileInfo(fileName);
File.Copy(fileName, HttpContext.Current.Server.MapPath(ConfigurationManager.AppSettings["FCKeditor:TempUploadPicPath"] + fi.Name), true);
Bitmap myBitmap = new Bitmap(HttpContext.Current.Server.MapPath(ConfigurationManager.AppSettings["FCKeditor:TempUploadPicPath"] + fi.Name));
if (myBitmap.Width > constWidth)
{
width = constWidth;
height = (int)(myBitmap.Height * width / myBitmap.Width);
}
else
{
width = myBitmap.Width;
height = myBitmap.Height;
}
//Configure JPEG Compression Engine
System.Drawing.Imaging.EncoderParameters encoderParams = new System.Drawing.Imaging.EncoderParameters();
long[] quality = new long[1];
quality[0] = 75;
System.Drawing.Imaging.EncoderParameter encoderParam = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, quality);
encoderParams.Param[0] = encoderParam;
System.Drawing.Imaging.ImageCodecInfo[] arrayICI = System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders();
System.Drawing.Imaging.ImageCodecInfo jpegICI = null;
for (int x = 0; x < arrayICI.Length; x++)
{
if (arrayICI[x].FormatDescription.Equals("JPEG"))
{
jpegICI = arrayICI[x];
break;
}
}
System.Drawing.Image myThumbnail = CreateThumbnail(myBitmap, width, height, false);
myThumbnail.Save(fileName, jpegICI, encoderParams);
myThumbnail.Dispose();
myBitmap.Dispose();
File.Delete(HttpContext.Current.Server.MapPath(ConfigurationManager.AppSettings["FCKeditor:TempUploadPicPath"] + fi.Name));
}
public static Image Resize(this Image source,
int canvasWidth, int canvasHeight)
{
var originalWidth = source.Width;
var originalHeight = source.Height;
if(canvasHeight == originalHeight && canvasWidth == originalWidth) {
return source;
}
System.Drawing.Image thumbnail =
new Bitmap(canvasWidth, canvasHeight);
System.Drawing.Graphics graphic =
System.Drawing.Graphics.FromImage(thumbnail);
graphic.InterpolationMode = InterpolationMode.HighQualityBicubic;
graphic.SmoothingMode = SmoothingMode.HighQuality;
graphic.PixelOffsetMode = PixelOffsetMode.HighQuality;
graphic.CompositingQuality = CompositingQuality.HighQuality;
// Figure out the ratio
double ratioX = (double)canvasWidth / (double)originalWidth;
double ratioY = (double)canvasHeight / (double)originalHeight;
// use whichever multiplier is smaller
double ratio = ratioX < ratioY ? ratioX : ratioY;
// now we can get the new height and width
int newHeight = Convert.ToInt32(originalHeight * ratio);
int newWidth = Convert.ToInt32(originalWidth * ratio);
// Now calculate the X,Y position of the upper-left corner
// (one of these will always be zero)
int posX = Convert.ToInt32((canvasWidth - (originalWidth * ratio)) / 2);
int posY = Convert.ToInt32((canvasHeight - (originalHeight * ratio)) / 2);
graphic.Clear(Color.Black); // white padding
graphic.DrawImage(source, posX, posY, newWidth, newHeight);
System.Drawing.Imaging.ImageCodecInfo[] info =
System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders();
System.Drawing.Imaging.EncoderParameters encoderParameters;
encoderParameters = new System.Drawing.Imaging.EncoderParameters(1);
encoderParameters.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality,
100L);
return thumbnail;
}
public static void SaveAsJpeg(Bitmap bmp, string path, int quality)
{
//EncoderParameterオブジェクトを1つ格納できる
//EncoderParametersクラスの新しいインスタンスを初期化
//ここでは品質のみ指定するため1つだけ用意する
System.Drawing.Imaging.EncoderParameters eps = new System.Drawing.Imaging.EncoderParameters(1);
//品質を指定
System.Drawing.Imaging.EncoderParameter ep = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, (long)quality);
//EncoderParametersにセットする
eps.Param[0] = ep;
//イメージエンコーダに関する情報を取得する
System.Drawing.Imaging.ImageCodecInfo ici = GetEncoderInfo("image/jpeg");
//保存する
bmp.Save(path, ici, eps);
eps.Dispose();
}
public static System.Drawing.Bitmap ResizeImage(string fromFile, int maxWidth, int maxHeight, int quality = 100)
{
System.Drawing.Bitmap image = new System.Drawing.Bitmap(fromFile);
// Get the image's original width and height
int originalWidth = image.Width;
int originalHeight = image.Height;
// To preserve the aspect ratio
float ratioX = (float)maxWidth / (float)originalWidth;
float ratioY = (float)maxHeight / (float)originalHeight;
float ratio = Math.Min(ratioX, ratioY);
// New width and height based on aspect ratio
int newWidth = (int)(originalWidth * ratio);
int newHeight = (int)(originalHeight * ratio);
// Convert other formats (including CMYK) to RGB.
System.Drawing.Bitmap newImage = new System.Drawing.Bitmap(newWidth, newHeight, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
// Draws the image in the specified size with quality mode set to HighQuality
using (System.Drawing.Graphics graphics = System.Drawing.Graphics.FromImage(newImage))
{
graphics.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
graphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
graphics.DrawImage(image, 0, 0, newWidth, newHeight);
}
// Get an ImageCodecInfo object that represents the JPEG codec.
System.Drawing.Imaging.ImageCodecInfo imageCodecInfo = ImageUtils.GetEncoderInfo(System.Drawing.Imaging.ImageFormat.Jpeg);
// Create an Encoder object for the Quality parameter.
System.Drawing.Imaging.Encoder encoder = System.Drawing.Imaging.Encoder.Quality;
// Create an EncoderParameters object.
System.Drawing.Imaging.EncoderParameters encoderParameters = new System.Drawing.Imaging.EncoderParameters(1);
// Save the image as a JPEG file with quality level.
System.Drawing.Imaging.EncoderParameter encoderParameter = new System.Drawing.Imaging.EncoderParameter(encoder, quality);
encoderParameters.Param[0] = encoderParameter;
// newImage.Save(SavefilePath, imageCodecInfo, encoderParameters);
return newImage;
}
public static void SaveImage(System.Drawing.Image Image, string Destination)
{
System.Drawing.Imaging.ImageCodecInfo jgpEncoder = GetEncoder(System.Drawing.Imaging.ImageFormat.Jpeg);
System.Drawing.Imaging.Encoder myEncoder = System.Drawing.Imaging.Encoder.Quality;
System.Drawing.Imaging.EncoderParameters myEncoderParameters = new System.Drawing.Imaging.EncoderParameters(1);
System.Drawing.Imaging.EncoderParameter myEncoderParameter = new System.Drawing.Imaging.EncoderParameter(myEncoder, (long)Settings.ImageQuality);
myEncoderParameters.Param[0] = myEncoderParameter;
Image.Save(Destination, jgpEncoder, myEncoderParameters);
}
private void ButtonMove_Click(object sender, RoutedEventArgs e)
{
if (this.ComboBoxServerFolder.SelectedItem != null)
{
ServerFolder serverFolder = (ServerFolder)this.ComboBoxServerFolder.SelectedItem;
if (this.ListViewScannedFiles.SelectedItems.Count != 0)
{
ScannedFile scannedFile = (ScannedFile)this.ListViewScannedFiles.SelectedItem;
YellowstonePathology.Business.Document.CaseDocumentCollection caseDocumentCollection = new Business.Document.CaseDocumentCollection(this.m_ReportNo);
YellowstonePathology.Business.Document.CaseDocumentCollection requisitions = caseDocumentCollection.GetRequisitions();
int nextReqNo = requisitions.Count + 1;
YellowstonePathology.Business.OrderIdParser orderIdParser = new Business.OrderIdParser(this.m_ReportNo);
if (orderIdParser.ReportNo != null || orderIdParser.MasterAccessionNo != null)
{
string newFileName = System.IO.Path.Combine(YellowstonePathology.Document.CaseDocumentPath.GetPath(orderIdParser), this.m_ReportNo + ".REQ." + nextReqNo.ToString() + ".TIF");
if (orderIdParser.IsLegacyReportNo == false)
{
string masterAccessionNo = orderIdParser.MasterAccessionNo;
newFileName = System.IO.Path.Combine(YellowstonePathology.Document.CaseDocumentPath.GetPath(orderIdParser), masterAccessionNo + ".REQ." + nextReqNo.ToString() + ".TIF");
}
if (scannedFile.Extension.ToUpper() == ".TIF")
{
System.IO.File.Copy(scannedFile.Name, newFileName);
}
else if (scannedFile.Extension.ToUpper() == ".JPG")
{
System.Drawing.Imaging.ImageCodecInfo myImageCodecInfo;
System.Drawing.Imaging.Encoder myEncoder;
System.Drawing.Imaging.EncoderParameter myEncoderParameter;
System.Drawing.Imaging.EncoderParameters myEncoderParameters;
myImageCodecInfo = GetEncoderInfo("image/tiff");
myEncoder = System.Drawing.Imaging.Encoder.Compression;
myEncoderParameters = new System.Drawing.Imaging.EncoderParameters(1);
myEncoderParameter = new System.Drawing.Imaging.EncoderParameter(myEncoder, (long)System.Drawing.Imaging.EncoderValue.CompressionCCITT4);
myEncoderParameters.Param[0] = myEncoderParameter;
System.Drawing.Bitmap bitmap = new System.Drawing.Bitmap(scannedFile.Name);
bitmap.Save(newFileName, myImageCodecInfo, myEncoderParameters);
bitmap.Dispose();
}
System.IO.File.Delete(scannedFile.Name);
this.StackPanelImage.Children.RemoveRange(0, this.StackPanelImage.Children.Count);
this.m_ServerFileCollection = new ScannedFileCollection();
this.m_ServerFileCollection.LoadFiles(serverFolder.Path);
this.NotifyPropertyChanged("ServerFileCollection");
this.ListViewScannedFiles.SelectedIndex = 0;
if (orderIdParser.IsLegacyReportNo) this.ReportNo = this.ReportNo.Substring(0, 4);
else this.ReportNo = this.ReportNo.Substring(0, 3);
}
else
{
MessageBox.Show("The Master Accession No should be used for the new style report - 13-123.S \nThe Report No needs to be used for old style reports - S13-123", "Use correct identifier");
}
}
}
}
public static string GetJPEGBase64StringFromBitmapImage(BitmapImage bmpImage, long jpegEncoderQuality, System.Drawing.RotateFlipType rotateFlip)
{
System.Drawing.Bitmap bmp = null;
MemoryStream ms = new MemoryStream();
try
{
System.Drawing.Imaging.EncoderParameters encoderParameters = new System.Drawing.Imaging.EncoderParameters(1);
System.Drawing.Imaging.Encoder myEncoder = System.Drawing.Imaging.Encoder.Quality;
encoderParameters.Param[0] = new System.Drawing.Imaging.EncoderParameter(myEncoder, jpegEncoderQuality);
System.Drawing.Imaging.ImageCodecInfo jgpEncoder = GetEncoder(System.Drawing.Imaging.ImageFormat.Jpeg);
bmp = UIHelper.BitmapImage2Bitmap(bmpImage);
bmp.RotateFlip(rotateFlip);
bmp.Save(ms, jgpEncoder, encoderParameters);
return Convert.ToBase64String(ms.ToArray());
}
finally
{
DeleteObject(bmp.GetHbitmap());
bmp.Dispose();
bmp = null;
}
}
/// <summary>
/// 正方型裁剪
/// 以图片中心为轴心，截取正方型，然后等比缩放
/// 用于头像处理
/// </summary>
/// <param name="fromFile">原图Stream对象</param>
/// <param name="fileSaveUrl">缩略图存放地址</param>
/// <param name="side">指定的边长（正方型）</param>
/// <param name="quality">质量（范围0-100）</param>
public static void CutForSquare(System.IO.Stream fromFile, string fileSaveUrl, int side, int quality)
{
//创建目录
DME_Files.InitFolder(DME_Path.GetDirectoryName(fileSaveUrl));
//原始图片（获取原始图片创建对象，并使用流中嵌入的颜色管理信息）
System.Drawing.Image initImage = System.Drawing.Image.FromStream(fromFile, true);
//原图宽高均小于模版，不作处理，直接保存
if (initImage.Width <= side && initImage.Height <= side)
{
initImage.Save(fileSaveUrl, System.Drawing.Imaging.ImageFormat.Jpeg);
}
else
{
//原始图片的宽、高
int initWidth = initImage.Width;
int initHeight = initImage.Height;
//非正方型先裁剪为正方型
if (initWidth != initHeight)
{
//截图对象
System.Drawing.Image pickedImage = null;
System.Drawing.Graphics pickedG = null;
//宽大于高的横图
if (initWidth > initHeight)
{
//对象实例化
pickedImage = new System.Drawing.Bitmap(initHeight, initHeight);
pickedG = System.Drawing.Graphics.FromImage(pickedImage);
//设置质量
pickedG.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
pickedG.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
//定位
System.Drawing.Rectangle fromR = new System.Drawing.Rectangle((initWidth - initHeight) / 2, 0, initHeight, initHeight);
System.Drawing.Rectangle toR = new System.Drawing.Rectangle(0, 0, initHeight, initHeight);
//画图
pickedG.DrawImage(initImage, toR, fromR, System.Drawing.GraphicsUnit.Pixel);
//重置宽
initWidth = initHeight;
}
//高大于宽的竖图
else
{
//对象实例化
pickedImage = new System.Drawing.Bitmap(initWidth, initWidth);
pickedG = System.Drawing.Graphics.FromImage(pickedImage);
//设置质量
pickedG.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
pickedG.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
//定位
System.Drawing.Rectangle fromR = new System.Drawing.Rectangle(0, (initHeight - initWidth) / 2, initWidth, initWidth);
System.Drawing.Rectangle toR = new System.Drawing.Rectangle(0, 0, initWidth, initWidth);
//画图
pickedG.DrawImage(initImage, toR, fromR, System.Drawing.GraphicsUnit.Pixel);
//重置高
initHeight = initWidth;
}
//将截图对象赋给原图
initImage = (System.Drawing.Image)pickedImage.Clone();
//释放截图资源
pickedG.Dispose();
pickedImage.Dispose();
}
//缩略图对象
System.Drawing.Image resultImage = new System.Drawing.Bitmap(side, side);
System.Drawing.Graphics resultG = System.Drawing.Graphics.FromImage(resultImage);
//设置质量
resultG.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
resultG.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
//用指定背景色清空画布
resultG.Clear(System.Drawing.Color.White);
//绘制缩略图
resultG.DrawImage(initImage, new System.Drawing.Rectangle(0, 0, side, side), new System.Drawing.Rectangle(0, 0, initWidth, initHeight), System.Drawing.GraphicsUnit.Pixel);
//关键质量控制
//获取系统编码类型数组,包含了jpeg,bmp,png,gif,tiff
System.Drawing.Imaging.ImageCodecInfo[] icis = System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders();
System.Drawing.Imaging.ImageCodecInfo ici = null;
foreach (System.Drawing.Imaging.ImageCodecInfo i in icis)
{
if (i.MimeType == "image/jpeg" || i.MimeType == "image/bmp" || i.MimeType == "image/png" || i.MimeType == "image/gif")
{
ici = i;
}
}
System.Drawing.Imaging.EncoderParameters ep = new System.Drawing.Imaging.EncoderParameters(1);
ep.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, (long)quality);
//保存缩略图
resultImage.Save(fileSaveUrl, ici, ep);
//释放关键质量控制所用资源
ep.Dispose();
//释放缩略图资源
resultG.Dispose();
resultImage.Dispose();
//释放原始图片资源
initImage.Dispose();
}
}
/// <summary>
/// Save a card as JPEG file
/// </summary>
/// <param name="fileName">path to the file to save</param>
/// <param name="resolution">image resolution</param>
/// <param name="quality">image quality</param>
/// <param name="showQsos">Boolean to indicate whether the card should include QSO info</param>
private void SaveCardAsJpeg(string fileName, int resolution, int quality,
bool showQsos)
{
// create visual of the card
CardTabItem cti = mainTabControl.SelectedItem as CardTabItem;
if(cti != null)
{
CardWF card = cti.cardPanel.QslCard.Clone();
card.IsInDesignMode = false;
FormsCardView cView = new FormsCardView(card);
List<List<DispQso>> dispQsos = new List<List<DispQso>>();
if(card.QsosBox != null)
{
if(qsosView.DisplayQsos.Count > 0 && showQsos)
{
dispQsos = qsosView.DisplayQsos.GetDispQsosList(card);
}
}
float scale = (float)resolution / 100.0F;
int bitmapWidth = (int)((float)card.Width * scale);
int bitmapHeight = (int)((float)card.Height * scale);
System.Drawing.Bitmap bitmap =
new System.Drawing.Bitmap(bitmapWidth, bitmapHeight);
bitmap.SetResolution(resolution, resolution);
System.Drawing.Graphics graphics =
System.Drawing.Graphics.FromImage(bitmap);
graphics.ScaleTransform(scale, scale);
cView.PaintCard(graphics, dispQsos.Count > 0 ? dispQsos[0] : null,
96F / resolution);
graphics.Dispose();
System.Drawing.Imaging.ImageCodecInfo jpgEncoder =
GetEncoder(System.Drawing.Imaging.ImageFormat.Jpeg);
System.Drawing.Imaging.Encoder qualityEncoder = System.Drawing.Imaging.Encoder.Quality;
System.Drawing.Imaging.EncoderParameter encoderParameter =
new System.Drawing.Imaging.EncoderParameter(qualityEncoder, quality);
System.Drawing.Imaging.EncoderParameters encoderParams =
new System.Drawing.Imaging.EncoderParameters(1);
encoderParams.Param[0] = encoderParameter;
bitmap.Save(fileName, jpgEncoder, encoderParams);
bitmap.Dispose();
}
}
public void SaveBarcodeExec()
{
try
{
using (PrinterX myPrinter = new PrinterX())
{
string DocumentName = String.Format("{0}_{1}_{2}.tif", CurrentBarcodeInfo.PrimaryBarcodeValue, CurrentBarcodeInfo.SecondaryBarcodeValue, DateTime.Now.ToString("yyyyMMddhhmmss"));
// Let factory create the IOpenFileDialog
IFolderBrowserDialog folderBrowserDialog = folderBrowserDialogFactory();
folderBrowserDialog.Description = "Choose Folder";
folderBrowserDialog.ShowNewFolderButton = true;
// Open the dialog
System.Windows.Forms.DialogResult result = dialogService.ShowFolderBrowserDialog(this, folderBrowserDialog);
if (result == System.Windows.Forms.DialogResult.OK)
{
System.Drawing.Imaging.ImageCodecInfo codecInfo = getCodecForstring("TIFF");
System.Drawing.Imaging.EncoderParameters ep = new System.Drawing.Imaging.EncoderParameters(1);
ep.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Compression, Convert.ToInt32(System.Drawing.Imaging.EncoderValue.CompressionCCITT4));
CurrentBarcodeImage.Save(Path.Combine(folderBrowserDialog.SelectedPath, DocumentName), codecInfo, ep);
}
}
}
catch (Exception ex)
{
HandleErrorMessage(ex);
}
}
private void MakeThumbnail()
{
using (Image img = new Bitmap(_filePath))
{
Size newSize = GenerateImageDimensions(img.Width, img.Height, _maxWidth, _maxHeight);
int imgWidth = newSize.Width;
int imgHeight = newSize.Height;
// create the thumbnail image
using (Image img2 =
img.GetThumbnailImage(imgWidth, imgHeight,
new Image.GetThumbnailImageAbort(Abort),
IntPtr.Zero))
{
using (Graphics g = Graphics.FromImage(img2)) // Create Graphics object from original Image
{
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High;
g.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
//BMP 0, JPEG 1 , GIF 2 , TIFF 3, PNG 4
System.Drawing.Imaging.ImageCodecInfo codec;
switch (Path.GetExtension(_filePath))
{
case ".gif":
codec = System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders()[2];
ImageFormat = System.Drawing.Imaging.ImageFormat.Gif;
MimeType = "image/gif";
break;
case ".png":
codec = System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders()[4];
ImageFormat = System.Drawing.Imaging.ImageFormat.Png;
MimeType = "image/png";
break;
default: //jpg
codec = System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders()[1];
ImageFormat = System.Drawing.Imaging.ImageFormat.Jpeg;
MimeType = "image/jpg";
break;
}
//Set the parameters for defining the quality of the thumbnail... here it is set to 100%
System.Drawing.Imaging.EncoderParameters eParams = new System.Drawing.Imaging.EncoderParameters(1);
eParams.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 90L);
//Now draw the image on the instance of thumbnail Bitmap object
g.DrawImage(img, new Rectangle(0, 0, img2.Width, img2.Height));
MemoryStream ms = new MemoryStream();
img2.Save(ms, codec, eParams);
ImageBytes = new byte[ms.Length];
ImageBytes = ms.ToArray();
ms.Close();
ms.Dispose();
}
}
}
}
private System.Drawing.Image FormatImage(HtmlInputFile file, string savePath,string Imgsize)
{
//width,height,size
int fix = Convert.ToInt32(Imgsize);
int nHeight = 0;
int nWidth = 0;
int maxSize = 3000;
//if (!(type == "jpg" || type == "bmp" || type == "gif" || type == "jpeg" || type == "png")) { throw new Exception("type error"); } //validate formatter
int size = (int)((float)file.PostedFile.ContentLength / (float)1024); //byte exchange kb
if (size > maxSize) { throw new Exception("img size:" + size.ToString() + "KB,Maximum image size is 200KB! "); }
if (System.IO.File.Exists(savePath)) { System.IO.File.Delete(savePath); }
using (System.Drawing.Image Cimage = System.Drawing.Image.FromStream(file.PostedFile.InputStream))
{
if (Cimage.Width > nWidth || Cimage.Height > nHeight)
{
if (Cimage.Width >= Cimage.Height)
{
nWidth = fix;
nHeight = Convert.ToInt32((Convert.ToDouble(nWidth) / Convert.ToDouble(Cimage.Width)) * Convert.ToDouble(Cimage.Height));
}
else
{
nHeight = fix;
nWidth = Convert.ToInt32((Convert.ToDouble(nHeight) / Convert.ToDouble(Cimage.Height)) * Convert.ToDouble(Cimage.Width));
}
Bitmap newimage = new Bitmap(Cimage, nWidth, nHeight);
System.Drawing.Imaging.ImageCodecInfo jpegEncoder = System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders().Where(ks => ks.MimeType == "image/jpeg").FirstOrDefault();
System.Drawing.Imaging.Encoder myEncoder = System.Drawing.Imaging.Encoder.Quality;
System.Drawing.Imaging.EncoderParameters myEncoderParameters = new System.Drawing.Imaging.EncoderParameters(1);
System.Drawing.Imaging.EncoderParameter myEncoderParameter = new System.Drawing.Imaging.EncoderParameter(myEncoder, 100L);
myEncoderParameters.Param[0] = myEncoderParameter;
newimage.Save(Server.MapPath(savePath), jpegEncoder, myEncoderParameters);
return Cimage;
}
else { Cimage.Save(Server.MapPath(savePath));
return Cimage;
}
}
Response.Write("add sucessful.");
}
/// <summary>
/// 指定长宽裁剪
/// 按模版比例最大范围的裁剪图片并缩放至模版尺寸
/// </summary>
/// <param name="postedFile">原图HttpPostedFile对象</param>
/// <param name="fileSaveUrl">保存路径</param>
/// <param name="maxWidth">最大宽(单位:px)</param>
/// <param name="maxHeight">最大高(单位:px)</param>
/// <param name="quality">质量（范围0-100）</param>
public static void CutForCustom(System.Web.HttpPostedFile postedFile, string fileSaveUrl, int maxWidth, int maxHeight, int quality)
{
//创建目录
DME_Files.InitFolder(DME_Path.GetDirectoryName(fileSaveUrl));
//从文件获取原始图片，并使用流中嵌入的颜色管理信息
System.Drawing.Image initImage = System.Drawing.Image.FromStream(postedFile.InputStream, true);
//原图宽高均小于模版，不作处理，直接保存
if (initImage.Width <= maxWidth && initImage.Height <= maxHeight)
{
initImage.Save(fileSaveUrl, System.Drawing.Imaging.ImageFormat.Jpeg);
}
else
{
//模版的宽高比例
double templateRate = (double)maxWidth / maxHeight;
//原图片的宽高比例
double initRate = (double)initImage.Width / initImage.Height;
//原图与模版比例相等，直接缩放
if (templateRate == initRate)
{
//按模版大小生成最终图片
System.Drawing.Image templateImage = new System.Drawing.Bitmap(maxWidth, maxHeight);
System.Drawing.Graphics templateG = System.Drawing.Graphics.FromImage(templateImage);
templateG.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High;
templateG.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
templateG.Clear(System.Drawing.Color.White);
templateG.DrawImage(initImage, new System.Drawing.Rectangle(0, 0, maxWidth, maxHeight), new System.Drawing.Rectangle(0, 0, initImage.Width, initImage.Height), System.Drawing.GraphicsUnit.Pixel);
templateImage.Save(fileSaveUrl, System.Drawing.Imaging.ImageFormat.Jpeg);
}
//原图与模版比例不等，裁剪后缩放
else
{
//裁剪对象
System.Drawing.Image pickedImage = null;
System.Drawing.Graphics pickedG = null;
//定位
System.Drawing.Rectangle fromR = new System.Drawing.Rectangle(0, 0, 0, 0);//原图裁剪定位
System.Drawing.Rectangle toR = new System.Drawing.Rectangle(0, 0, 0, 0);//目标定位
//宽为标准进行裁剪
if (templateRate > initRate)
{
//裁剪对象实例化
pickedImage = new System.Drawing.Bitmap(initImage.Width, (int)Math.Floor(initImage.Width / templateRate));
pickedG = System.Drawing.Graphics.FromImage(pickedImage);
//裁剪源定位
fromR.X = 0;
fromR.Y = (int)Math.Floor((initImage.Height - initImage.Width / templateRate) / 2);
fromR.Width = initImage.Width;
fromR.Height = (int)Math.Floor(initImage.Width / templateRate);
//裁剪目标定位
toR.X = 0;
toR.Y = 0;
toR.Width = initImage.Width;
toR.Height = (int)Math.Floor(initImage.Width / templateRate);
}
//高为标准进行裁剪
else
{
pickedImage = new System.Drawing.Bitmap((int)Math.Floor(initImage.Height * templateRate), initImage.Height);
pickedG = System.Drawing.Graphics.FromImage(pickedImage);
fromR.X = (int)Math.Floor((initImage.Width - initImage.Height * templateRate) / 2);
fromR.Y = 0;
fromR.Width = (int)Math.Floor(initImage.Height * templateRate);
fromR.Height = initImage.Height;
toR.X = 0;
toR.Y = 0;
toR.Width = (int)Math.Floor(initImage.Height * templateRate);
toR.Height = initImage.Height;
}
//设置质量
pickedG.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
pickedG.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
//裁剪
pickedG.DrawImage(initImage, toR, fromR, System.Drawing.GraphicsUnit.Pixel);
//按模版大小生成最终图片
System.Drawing.Image templateImage = new System.Drawing.Bitmap(maxWidth, maxHeight);
System.Drawing.Graphics templateG = System.Drawing.Graphics.FromImage(templateImage);
templateG.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High;
templateG.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
templateG.Clear(System.Drawing.Color.White);
templateG.DrawImage(pickedImage, new System.Drawing.Rectangle(0, 0, maxWidth, maxHeight), new System.Drawing.Rectangle(0, 0, pickedImage.Width, pickedImage.Height), System.Drawing.GraphicsUnit.Pixel);
//关键质量控制
//获取系统编码类型数组,包含了jpeg,bmp,png,gif,tiff
System.Drawing.Imaging.ImageCodecInfo[] icis = System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders();
System.Drawing.Imaging.ImageCodecInfo ici = null;
foreach (System.Drawing.Imaging.ImageCodecInfo i in icis)
{
if (i.MimeType == "image/jpeg" || i.MimeType == "image/bmp" || i.MimeType == "image/png" || i.MimeType == "image/gif")
{
ici = i;
}
}
System.Drawing.Imaging.EncoderParameters ep = new System.Drawing.Imaging.EncoderParameters(1);
ep.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, (long)quality);
//保存缩略图
templateImage.Save(fileSaveUrl, ici, ep);
//templateImage.Save(fileSaveUrl, System.Drawing.Imaging.ImageFormat.Jpeg);
//释放资源
templateG.Dispose();
templateImage.Dispose();
pickedG.Dispose();
pickedImage.Dispose();
}
}
//释放资源
initImage.Dispose();
}
private void make_thm(int width, int height, bool fix_ar, string format)
{
Bitmap bmp = null;
Graphics g = null;
AviSynthReader reader = null;
string new_script = m.script;
string thmpath = Calculate.RemoveExtention(m.outfilepath) + format;
SetLog("CREATING THM");
SetLog("------------------------------");
SetLog("Saving picture to: " + thmpath);
SetLog(format.ToUpper() + " " + width + "x" + height + " \r\n");
try
{
if (fix_ar)
{
int crop_w = 0, crop_h = 0;
double old_asp = m.outaspect;
double new_asp = (double)width / (double)height;
if (old_asp < new_asp)
{
crop_h = Math.Max(Convert.ToInt32((m.outresh - ((m.outresh * old_asp) / new_asp)) / 2), 0);
}
else if (old_asp > new_asp)
{
crop_w = Math.Max(Convert.ToInt32((m.outresw - (m.outresw / old_asp) * new_asp) / 2), 0);
}
new_script += ("Lanczos4Resize(" + width + ", " + height + ", " + crop_w + ", " + crop_h + ", -" + crop_w + ", -" + crop_h + ")\r\n");
}
reader = new AviSynthReader(AviSynthColorspace.RGB24, AudioSampleType.Undefined);
reader.ParseScript(new_script);
//проверка на выходы за пределы общего количества кадров
int frame = (m.thmframe > reader.FrameCount) ? reader.FrameCount / 2 : m.thmframe;
if (width == reader.Width && height == reader.Height)
{
bmp = new System.Drawing.Bitmap(reader.ReadFrameBitmap(frame));
}
else
{
bmp = new Bitmap(width, height);
g = Graphics.FromImage(bmp);
//метод интерполяции при ресайзе
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
g.DrawImage(reader.ReadFrameBitmap(frame), 0, 0, width, height);
}
if (format == "jpg")
{
//процент cжатия jpg
System.Drawing.Imaging.ImageCodecInfo[] info = System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders();
System.Drawing.Imaging.EncoderParameters encoderParameters = new System.Drawing.Imaging.EncoderParameters(1);
encoderParameters.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 95L);
//jpg
bmp.Save(thmpath, info[1], encoderParameters);
}
else if (format == "png")
{
//png
bmp.Save(thmpath, System.Drawing.Imaging.ImageFormat.Png);
}
else
{
//bmp
bmp.Save(thmpath, System.Drawing.Imaging.ImageFormat.Bmp);
}
}
catch (Exception ex)
{
SetLog("\r\nError creating THM: " + ex.Message.ToString() + Environment.NewLine);
}
finally
{
//завершение
if (g != null) { g.Dispose(); g = null; }
if (bmp != null) { bmp.Dispose(); bmp = null; }
if (reader != null) { reader.Close(); reader = null; }
SetLog("");
}
}
/// <summary>
/// 加图片水印
/// </summary>
/// <param name="filename">文件名</param>
/// <param name="watermarkFilename">水印文件名</param>
/// <param name="watermarkStatus">图片水印位置:0=不使用 1=左上 2=中上 3=右上 4=左中 ... 9=右下</param>
/// <param name="quality">是否是高质量图片 取值范围0--100</param>
/// <param name="watermarkTransparency">图片水印透明度 取值范围1--10 (10为不透明)</param>
public static void AddImageSignPic(string Path, string filename, string watermarkFilename, int watermarkStatus, int quality, int watermarkTransparency)
{
System.Drawing.Image img = System.Drawing.Image.FromFile(Path);
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(img);
//设置高质量插值法
//g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High;
//设置高质量,低速度呈现平滑程度
//g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
System.Drawing.Image watermark = new System.Drawing.Bitmap(watermarkFilename);
if (watermark.Height >= img.Height || watermark.Width >= img.Width)
{
return;
}
System.Drawing.Imaging.ImageAttributes imageAttributes = new System.Drawing.Imaging.ImageAttributes();
System.Drawing.Imaging.ColorMap colorMap = new System.Drawing.Imaging.ColorMap();
colorMap.OldColor = System.Drawing.Color.FromArgb(255, 0, 255, 0);
colorMap.NewColor = System.Drawing.Color.FromArgb(0, 0, 0, 0);
System.Drawing.Imaging.ColorMap[] remapTable = { colorMap };
imageAttributes.SetRemapTable(remapTable, System.Drawing.Imaging.ColorAdjustType.Bitmap);
float transparency = 0.5F;
if (watermarkTransparency >= 1 && watermarkTransparency <= 10)
{
transparency = (watermarkTransparency / 10.0F);
}
float[][] colorMatrixElements = {
new float[] {1.0f, 0.0f, 0.0f, 0.0f, 0.0f},
new float[] {0.0f, 1.0f, 0.0f, 0.0f, 0.0f},
new float[] {0.0f, 0.0f, 1.0f, 0.0f, 0.0f},
new float[] {0.0f, 0.0f, 0.0f, transparency, 0.0f},
new float[] {0.0f, 0.0f, 0.0f, 0.0f, 1.0f}
};
System.Drawing.Imaging.ColorMatrix colorMatrix = new System.Drawing.Imaging.ColorMatrix(colorMatrixElements);
imageAttributes.SetColorMatrix(colorMatrix, System.Drawing.Imaging.ColorMatrixFlag.Default, System.Drawing.Imaging.ColorAdjustType.Bitmap);
int xpos = 0;
int ypos = 0;
switch (watermarkStatus)
{
case 1:
xpos = (int)(img.Width * (float).01);
ypos = (int)(img.Height * (float).01);
break;
case 2:
xpos = (int)((img.Width * (float).50) - (watermark.Width / 2));
ypos = (int)(img.Height * (float).01);
break;
case 3:
xpos = (int)((img.Width * (float).99) - (watermark.Width));
ypos = (int)(img.Height * (float).01);
break;
case 4:
xpos = (int)(img.Width * (float).01);
ypos = (int)((img.Height * (float).50) - (watermark.Height / 2));
break;
case 5:
xpos = (int)((img.Width * (float).50) - (watermark.Width / 2));
ypos = (int)((img.Height * (float).50) - (watermark.Height / 2));
break;
case 6:
xpos = (int)((img.Width * (float).99) - (watermark.Width));
ypos = (int)((img.Height * (float).50) - (watermark.Height / 2));
break;
case 7:
xpos = (int)(img.Width * (float).01);
ypos = (int)((img.Height * (float).99) - watermark.Height);
break;
case 8:
xpos = (int)((img.Width * (float).50) - (watermark.Width / 2));
ypos = (int)((img.Height * (float).99) - watermark.Height);
break;
case 9:
xpos = (int)((img.Width * (float).99) - (watermark.Width));
ypos = (int)((img.Height * (float).99) - watermark.Height);
break;
}
g.DrawImage(watermark, new System.Drawing.Rectangle(xpos, ypos, watermark.Width, watermark.Height), 0, 0, watermark.Width, watermark.Height, System.Drawing.GraphicsUnit.Pixel, imageAttributes);
System.Drawing.Imaging.ImageCodecInfo[] codecs = System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders();
System.Drawing.Imaging.ImageCodecInfo ici = null;
foreach (System.Drawing.Imaging.ImageCodecInfo codec in codecs)
{
//if (codec.MimeType.IndexOf("jpeg") > -1)
if (codec.MimeType.Contains("jpeg"))
{
ici = codec;
}
}
System.Drawing.Imaging.EncoderParameters encoderParams = new System.Drawing.Imaging.EncoderParameters();
long[] qualityParam = new long[1];
if (quality < 0 || quality > 100)
{
quality = 80;
}
qualityParam[0] = quality;
System.Drawing.Imaging.EncoderParameter encoderParam = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, qualityParam);
encoderParams.Param[0] = encoderParam;
if (ici != null)
{
img.Save(filename, ici, encoderParams);
}
else
{
img.Save(filename);
}
g.Dispose();
img.Dispose();
watermark.Dispose();
imageAttributes.Dispose();
}
/// <summary>
/// Saves the Bitmap as a JPG with options.
/// </summary>
/// <param name="bitmap">The bitmap.</param>
/// <param name="path">The path.</param>
/// <param name="quality">The quality.</param>
public static void SaveJpg(this System.Drawing.Bitmap bitmap, string path, long quality)
{
System.Drawing.Imaging.ImageCodecInfo codecInfo = GetEncoderInfo("image/jpeg");
System.Drawing.Imaging.Encoder encoder = System.Drawing.Imaging.Encoder.Quality;
System.Drawing.Imaging.EncoderParameters encoderParameters = new System.Drawing.Imaging.EncoderParameters(1);
System.Drawing.Imaging.EncoderParameter encoderParameter = new System.Drawing.Imaging.EncoderParameter(encoder, quality);
encoderParameters.Param[0] = encoderParameter;
using(Stream st=File.Create(path)){
bitmap.Save(st,codecInfo,encoderParameters);
}
return;
}
public string SmartResizeImageAndUpload(FileUpload FileUpload1, string dir_path, double maxWidth, double maxHeight)
{
string file_name = System.IO.Path.GetFileNameWithoutExtension(FileUpload1.PostedFile.FileName);
string file_ext = System.IO.Path.GetExtension(FileUpload1.PostedFile.FileName).ToLower().Trim();
string file_name_ext = file_name + file_ext;
string encoded_image = GetEncodeString(file_name) + file_ext;
try
{
// Declare variable for the conversion
float ratio;
// Create variable to hold the image
string filepath = dir_path + "/" + encoded_image;
FileUpload1.SaveAs(Server.MapPath(filepath));
System.Drawing.Image myimage = System.Drawing.Image.FromFile(Server.MapPath(filepath));
// Get height and width of current image
int width = (int)myimage.Width;
int height = (int)myimage.Height;
// Ratio and conversion for new size
if (width > maxWidth)
{
ratio = (float)width / (float)maxWidth;
width = (int)(width / ratio);
height = (int)(height / ratio);
}
// Ratio and conversion for new size
if (height > maxHeight)
{
ratio = (float)height / (float)maxHeight;
height = (int)(height / ratio);
width = (int)(width / ratio);
}
System.Drawing.Bitmap source_bitmap = new System.Drawing.Bitmap(myimage);
myimage.Dispose();
System.Drawing.Bitmap thumb_bitmap = new System.Drawing.Bitmap(width, height);
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(thumb_bitmap);
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
g.FillRectangle(System.Drawing.Brushes.White, 0, 0, width, height);
g.DrawImage(source_bitmap, 0, 0, width, height);
g.Dispose();
System.Drawing.Imaging.ImageCodecInfo[] Info = System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders();
System.Drawing.Imaging.EncoderParameters Params = new System.Drawing.Imaging.EncoderParameters(1);
Params.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 100L);
thumb_bitmap.Save(Server.MapPath(filepath), Info[1], Params);
}
catch (Exception ex)
{
ex.Message.ToString();
}
return encoded_image;
}
// http://dobon.net/vb/dotnet/graphics/createmultitiff.html
bool tiffconcat(List<string> files, string output) {
tempFilesDeleter.AddFile(output);
var Compression = System.Drawing.Imaging.EncoderValue.CompressionLZW;
if (files.Count == 0) return true;
if (files.Count == 1) {
File.Copy(Path.Combine(workingDir, files[0]), Path.Combine(workingDir, output));
} else {
System.Drawing.Imaging.ImageCodecInfo ici = null;
foreach (var enc in System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders()) {
if (enc.MimeType == "image/tiff") {
ici = enc;
break;
}
}
if (ici == null) {
if (controller_ != null) controller_.appendOutput(Properties.Resources.FAIL_CONCAT_IMAGES);
return false;
}
var bitmaps = files.Select(f => new System.Drawing.Bitmap(Path.Combine(workingDir, f))).ToList();
try {
using (var ep = new System.Drawing.Imaging.EncoderParameters(2)) {
ep.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.SaveFlag, (long)System.Drawing.Imaging.EncoderValue.MultiFrame);
ep.Param[1] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Compression, (long)Compression);
bitmaps[0].Save(Path.Combine(workingDir, output), ici, ep);
}
for (int i = 1; i < files.Count; ++i) {
using (var ep = new System.Drawing.Imaging.EncoderParameters(2)) {
ep.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.SaveFlag, (long)System.Drawing.Imaging.EncoderValue.FrameDimensionPage);
ep.Param[1] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Compression, (long)Compression);
bitmaps[0].SaveAdd(bitmaps[i], ep);
}
}
using (var ep = new System.Drawing.Imaging.EncoderParameters(1)) {
ep.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.SaveFlag, (long)System.Drawing.Imaging.EncoderValue.Flush);
bitmaps[0].SaveAdd(ep);
}
}
finally {
foreach (var b in bitmaps) b.Dispose();
}
}
if (File.Exists(Path.Combine(workingDir, output))) {
if (controller_ != null) controller_.appendOutput("TeX2img: Concatinate TIFF files");
return true;
} else return false;
}
public string ResizeImageAndUpload(FileUpload FileUpload1, string dir_path, int height, int width)
{
string file_name = System.IO.Path.GetFileNameWithoutExtension(FileUpload1.PostedFile.FileName);
string file_ext = System.IO.Path.GetExtension(FileUpload1.PostedFile.FileName).ToLower().Trim();
string file_name_ext = file_name + file_ext;
string encoded_image = GetEncodeString(file_name) + file_ext;
try
{
//string filename = FileUpload1.FileName;
string filepath = dir_path + "/" + encoded_image;
FileUpload1.SaveAs(Server.MapPath(filepath));
System.Drawing.Image myimage = System.Drawing.Image.FromFile(Server.MapPath(filepath));
System.Drawing.Bitmap source_bitmap = new System.Drawing.Bitmap(myimage);
myimage.Dispose();
System.Drawing.Bitmap thumb_bitmap = new System.Drawing.Bitmap(width, height);
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(thumb_bitmap);
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
g.FillRectangle(System.Drawing.Brushes.White, 0, 0, width, height);
g.DrawImage(source_bitmap, 0, 0, width, height);
g.Dispose();
System.Drawing.Imaging.ImageCodecInfo[] Info = System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders();
System.Drawing.Imaging.EncoderParameters Params = new System.Drawing.Imaging.EncoderParameters(1);
Params.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 100L);
thumb_bitmap.Save(Server.MapPath(filepath), Info[1], Params);
}
catch (Exception ex)
{
ex.Message.ToString();
}
return encoded_image;
}
private void SavePicture(string path, int width, int height, bool fix_ar, int frame)
{
System.Drawing.Bitmap bmp = null;
System.Drawing.Graphics g = null;
AviSynthReader reader = null;
string new_script = m.script;
try
{
if (fix_ar && width != 0 && height != 0)
{
int crop_w = 0, crop_h = 0;
double old_asp = m.outaspect;
double new_asp = (double)width / (double)height;
if (old_asp < new_asp)
{
crop_h = Math.Max(Convert.ToInt32((m.outresh - ((m.outresh * old_asp) / new_asp)) / 2), 0);
}
else if (old_asp > new_asp)
{
crop_w = Math.Max(Convert.ToInt32((m.outresw - (m.outresw / old_asp) * new_asp) / 2), 0);
}
new_script += ("Lanczos4Resize(" + width + ", " + height + ", " + crop_w + ", " + crop_h + ", -" + crop_w + ", -" + crop_h + ")\r\n");
}
reader = new AviSynthReader(AviSynthColorspace.RGB24, AudioSampleType.Undefined);
reader.ParseScript(new_script);
if (width == 0 || height == 0 || (width == reader.Width && height == reader.Height))
{
bmp = new System.Drawing.Bitmap(reader.ReadFrameBitmap(frame));
}
else
{
bmp = new System.Drawing.Bitmap(width, height);
g = System.Drawing.Graphics.FromImage(bmp);
//метод интерполяции при ресайзе
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
g.DrawImage(reader.ReadFrameBitmap(frame), 0, 0, width, height);
}
string ext = Path.GetExtension(path).ToLower();
if (ext == ".jpg")
{
//процент cжатия jpg
System.Drawing.Imaging.ImageCodecInfo[] info = System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders();
System.Drawing.Imaging.EncoderParameters encoderParameters = new System.Drawing.Imaging.EncoderParameters(1);
encoderParameters.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 95L);
//jpg
bmp.Save(path, info[1], encoderParameters);
}
else if (ext == ".png")
{
//png
bmp.Save(path, System.Drawing.Imaging.ImageFormat.Png);
}
else
{
//bmp
bmp.Save(path, System.Drawing.Imaging.ImageFormat.Bmp);
}
}
catch (Exception ex)
{
ErrorException("SavePicture: " + ex.Message, ex.StackTrace);
}
finally
{
//завершение
if (g != null) { g.Dispose(); g = null; }
if (bmp != null) { bmp.Dispose(); bmp = null; }
if (reader != null) { reader.Close(); reader = null; }
}
}
/// <summary>
/// 生成缩略图
/// </summary>
private void MakeThumbnail()
{
Image originalImage = Image.FromFile(_webFilePath);
Int32 towidth = _thumbnailWidth;
Int32 toheight = _thumbnailHeight;
Int32 x = 0;
Int32 y = 0;
Int32 ow = originalImage.Width;
Int32 oh = originalImage.Height;
if (ow < towidth && oh < toheight)
originalImage.Save(_webThumbnailFilePath);
else
{
switch (_thumbnailMode)
{
case ThumbnailMode.Hw:
break;
case ThumbnailMode.W:
toheight = originalImage.Height * _thumbnailWidth / originalImage.Width;
break;
case ThumbnailMode.H:
towidth = originalImage.Width * _thumbnailHeight / originalImage.Height;
break;
case ThumbnailMode.Cut:
if ((double)originalImage.Width / (double)originalImage.Height > (double)towidth / (double)toheight)
{
oh = originalImage.Height;
ow = originalImage.Height * towidth / toheight;
y = 0;
x = (originalImage.Width - ow) / 2;
}
else
{
ow = originalImage.Width;
oh = originalImage.Width * _thumbnailHeight / towidth;
x = 0;
y = (originalImage.Height - oh) / 2;
}
break;
case ThumbnailMode.Auto:
if (ow > oh)
toheight = (Int32)((double)oh / (double)ow * (double)towidth);
else
towidth = (Int32)((double)ow / (double)oh * (double)toheight);
break;
default:
if (ow > oh)
toheight = (Int32)((double)oh / (double)ow * (double)towidth);
else
towidth = (Int32)((double)ow / (double)oh * (double)toheight);
break;
}
//进行缩图
Bitmap img = new Bitmap(towidth, toheight);
img.SetResolution(72f, 72f);
Graphics gdiobj = Graphics.FromImage(img);
gdiobj.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
gdiobj.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
gdiobj.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
gdiobj.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighQuality;
gdiobj.FillRectangle(new SolidBrush(Color.White), 0, 0,
towidth, toheight);
Rectangle destrect = new Rectangle(0, 0,
towidth, toheight);
gdiobj.DrawImage(originalImage, destrect, 0, 0, ow,
oh, GraphicsUnit.Pixel);
System.Drawing.Imaging.EncoderParameters ep = new System.Drawing.Imaging.EncoderParameters(1);
ep.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, (long)100);
System.Drawing.Imaging.ImageCodecInfo ici = GetEncoderInfo("image/jpeg");
try
{
if (ici != null)
img.Save(_webThumbnailFilePath, ici, ep);
else
img.Save(_webThumbnailFilePath, System.Drawing.Imaging.ImageFormat.Jpeg);
}
catch (Exception e)
{
throw new Exception(e.Message);
}
finally
{
gdiobj.Dispose();
img.Dispose();
}
}
originalImage.Dispose();
}
