private void TakeSnapshot()
{
var stamp = DateTime.Now.ToString("yyyy-MM-dd-HH-mm");
Bitmap bmp = new Bitmap(Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height, PixelFormat.Format32bppArgb);
Graphics.FromImage(bmp).CopyFromScreen(0, 0, 0, 0, bmp.Size);
bmp.Save(@"C:\Temp\" + stamp + ".jpg", ImageFormat.Jpeg);
}
public Image Mark( Image image, string waterMarkText )
{
WatermarkText = waterMarkText;
Bitmap originalBmp = (Bitmap)image;
// avoid "A Graphics object cannot be created from an image that has an indexed pixel format." exception
Bitmap tempBitmap = new Bitmap(originalBmp.Width, originalBmp.Height);
// From this bitmap, the graphics can be obtained, because it has the right PixelFormat
Graphics g = Graphics.FromImage(tempBitmap);
using (Graphics graphics = Graphics.FromImage(tempBitmap))
{
// Draw the original bitmap onto the graphics of the new bitmap
g.DrawImage(originalBmp, 0, 0);
var size =
graphics.MeasureString(WatermarkText, Font);
var brush =
new SolidBrush(Color.FromArgb(255, Color));
graphics.DrawString
(WatermarkText, Font, brush,
GetTextPosition(image, size));
}
return tempBitmap as Image;
}
public override void Apply(Graphics graphics, Bitmap applyBitmap, Rectangle rect, RenderMode renderMode)
{
Rectangle applyRect = ImageHelper.CreateIntersectRectangle(applyBitmap.Size, rect, Invert);
if (applyRect.Width == 0 || applyRect.Height == 0)
{
// nothing to do
return;
}
GraphicsState state = graphics.Save();
if (Invert)
{
graphics.SetClip(applyRect);
graphics.ExcludeClip(rect);
}
ColorMatrix grayscaleMatrix = new ColorMatrix(new[] {
new[] {.3f, .3f, .3f, 0, 0},
new[] {.59f, .59f, .59f, 0, 0},
new[] {.11f, .11f, .11f, 0, 0},
new float[] {0, 0, 0, 1, 0},
new float[] {0, 0, 0, 0, 1}
});
using (ImageAttributes ia = new ImageAttributes())
{
ia.SetColorMatrix(grayscaleMatrix);
graphics.DrawImage(applyBitmap, applyRect, applyRect.X, applyRect.Y, applyRect.Width, applyRect.Height, GraphicsUnit.Pixel, ia);
}
graphics.Restore(state);
}
private void Form1_Paint(object sender, PaintEventArgs e)
{
//g.DrawLine(pen, new Point(1, 1), new Point(300, 100));
//g.DrawLine(pen, new Point(100, 1), new Point(300, 100));
//g.DrawRectangle(pen, new Rectangle(50, 50, 100, 100));
//g.DrawString("Hello! 你好！", font, brush, new PointF(150.0F, 150.0F));
//g.DrawEllipse(pen,
g.FillEllipse(brush, 30, 30, 200, 200);
g.FillEllipse(brush, 130, 130, 200, 200);
g.FillEllipse(new SolidBrush(Color.FromArgb(153, 23, 153, 155)), 220, 230, 150, 150);
g.FillEllipse(new SolidBrush(Color.FromArgb(153, 23, 153, 55)), 200, 30, 150, 150);
g.FillEllipse(new SolidBrush(Color.FromArgb(153, 93, 53, 55)), 40, 230, 250, 250);
//Image image = Image.FromFile("../../MonaLisa.jpg");
//g.DrawImage(image, new Point(200, 200));
// Create a Bitmap object from an image file.
Bitmap bitmap = new Bitmap("../../MonaLisa.jpg");
// Get the color of a pixel within myBitmap.
Color pixelColor = bitmap.GetPixel(50, 50);
// RGB value : pixelColor.R, pixelColor.G, pixelColor.B
g.DrawImage(bitmap, new Point(200, 200));
}
protected override void OnPaint(PaintEventArgs e)
{
//base.OnPaint(e);
var myImg = new Bitmap("C:\\Users\\phil.SONOCINE\\Pictures\\MyTest.jpg");
//byte[] bytes = ImageReading.pixels(myImg);
this.pictureBox1.Image = ImageReading.pixels(myImg); ;
//grayscale
//var gsBytes = new List<byte>();
//for (int i = 0; i < bytes.Length; i+=3)
//{
// var R = bytes[i];
// var G = bytes[i+1];
// var B = bytes[i+2];
// byte gs = (byte)(0.2989 * R + 0.5870 * G + 0.1140 * B);
// gsBytes.Add(gs);
//}
//using (var ms = new MemoryStream(bytes))
//{
// try
// {
// ms.Seek(0, SeekOrigin.Begin);
// var bmp = Image.FromStream(ms);
// e.Graphics.DrawImage(bmp, 0, 0);
// }
// catch(Exception ex)
// {
// Console.WriteLine(ex.Message);
// }
//}
}
public Bitmap Binariz(Bitmap bm)
{
int x = bm.Width;
int y = bm.Height;
Bitmap result = new Bitmap(x, y);
for (int pixX = 0; pixX < x; pixX++)
for (int pixY = 0; pixY < y; pixY++)
{
int rd, gr, bl;
if (bm.GetPixel(pixX, pixY).R < 100)
rd = 0;
else
rd = 255;
if (bm.GetPixel(pixX, pixY).G < 100)
gr = 0;
else
gr = 255;
if (bm.GetPixel(pixX, pixY).B < 100)
bl = 0;
else
bl = 255;
result.SetPixel(pixX, pixY, Color.FromArgb((byte)rd, (byte)gr, (byte)bl));
}
return result;
}
public ToolBarDeleteButton()
{
Bitmap button = new Bitmap(Properties.Resources.DeleteButton, new Size(50, 50));
Bitmap buttonPressed = new Bitmap(Properties.Resources.DeleteButtonPressed, new Size(50, 50));
this.BackgroundImage = button;
this.PressedImage = buttonPressed;
}
public void PasteIconWithScale(byte[] bytes, int x, int y, double scale)
{
using (Bitmap icon = new Bitmap(new MemoryStream(bytes), false))
{
PasteIcon(icon, x, y, scale);
}
}
public void Setup()
{
Bitmap bmp = new Bitmap(200, 100);
m_graphics = Graphics.FromImage(bmp);
m_gm = new GraphicsManager(null, m_graphics);
}
public Preferences()
: base()
{
InitializeComponent();
Text = String.Concat(Locale.Current.Preferences.WindowTitle, " - ", Program.MainForm.Text);
Icon = Program.MainForm.Icon;
TopMost = true;
_iconApps = Utilities.ResourceHelper.GetImage("gmail-limon.png");
_iconStandard = Utilities.ResourceHelper.GetImage("gmail-bleu.png");
_rendererListLarge = Shellscape.UI.VisualStyles.ControlPanel.GetRenderer(Shellscape.UI.VisualStyles.ControlPanel.ControlPanelPart.MessageText, 0, true);
_rendererListSmall = Shellscape.UI.VisualStyles.ControlPanel.GetRenderer(Shellscape.UI.VisualStyles.ControlPanel.ControlPanelPart.BodyText, 0, true);
_titleElement = Shellscape.UI.VisualStyles.ControlPanel.GetElement(
Shellscape.UI.VisualStyles.ControlPanel.ControlPanelPart.Title,
0,
true
);
InitNavigation();
InitGeneralPanel();
InitAccountsPanel();
InitAccountPanel();
if (Config.Current.FirstRun) {
InitFirstRun();
}
HidePanels();
_PanelGeneral.Visible = true;
}
// From http://edu.cnzz.cn/show_3281.html
public static GraphicsPath CalculateGraphicsPathFromBitmap(Bitmap bitmap, Color colorTransparent)
{
GraphicsPath graphicsPath = new GraphicsPath();
if (colorTransparent == Color.Empty)
colorTransparent = bitmap.GetPixel(0, 0);
for(int row = 0; row < bitmap.Height; row ++)
{
int colOpaquePixel = 0;
for(int col = 0; col < bitmap.Width; col ++)
{
if(bitmap.GetPixel(col, row) != colorTransparent)
{
colOpaquePixel = col;
int colNext = col;
for(colNext = colOpaquePixel; colNext < bitmap.Width; colNext ++)
if(bitmap.GetPixel(colNext, row) == colorTransparent)
break;
graphicsPath.AddRectangle(new Rectangle(colOpaquePixel, row, colNext - colOpaquePixel, 1));
col = colNext;
}
}
}
return graphicsPath;
}
private void button3_Click(object sender, EventArgs e)
{
if (listView1.SelectedItems.Count != 1)
return;
OpenFileDialog od = new OpenFileDialog();
od.Filter = "Bitmap file (*.bmp)|*.bmp";
od.FilterIndex = 0;
if (od.ShowDialog() == DialogResult.OK)
{
Section s = listView1.SelectedItems[0].Tag as Section;
try
{
Bitmap bmp = new Bitmap(od.FileName);
s.import(bmp);
bmp.Dispose();
pictureBox1.Image = s.image();
listView1.SelectedItems[0].SubItems[3].Text = s.cnt.ToString();
button4.Enabled = true;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
/// <summary>
/// Combine image of WallpaperConfiguration into one big image.
///
/// </summary>
/// <returns></returns>
protected string GenerateWallpaper()
{
string path = Path.GetTempFileName();
// create an image for virtual screen
Image image = new Bitmap(Configuration.VirtualScreenBounds.Width,
Configuration.VirtualScreenBounds.Height);
Graphics gs = Graphics.FromImage(image);
// generate an image based on the described configuration
foreach (ScreenConfiguration wallConf in Configuration.Screens)
{
// draw image
IDrawer drawer = Drawers[wallConf.Style];
drawer.Draw(gs, wallConf);
gs.Flush();
}
image.Save(path, ImageFormat.Jpeg);
// clean up
image.Dispose();
gs.Dispose();
return path;
}
public void AddImage(BackgroundImageClass image)
{
var imageBytes = webClientWrapper.DownloadBytes(image.ImageUrl);
Bitmap bitmap = null;
using (var originalBitmap = new Bitmap(new MemoryStream(imageBytes)))
{
using (var writer = new SpriteWriter(image.Width ?? originalBitmap.Width, image.Height ?? originalBitmap.Height))
{
var width = image.Width ?? originalBitmap.Width;
if (width > originalBitmap.Width)
width = originalBitmap.Width;
var height = image.Height ?? originalBitmap.Height;
if (height > originalBitmap.Height)
height = originalBitmap.Height;
var x = image.XOffset.Offset < 0 ? Math.Abs(image.XOffset.Offset) : 0;
var y = image.YOffset.Offset < 0 ? Math.Abs(image.YOffset.Offset) : 0;
writer.WriteImage(originalBitmap.Clone(new Rectangle(x, y, width, height), originalBitmap.PixelFormat));
bitmap = writer.SpriteImage;
if ((originalBitmap.Width * originalBitmap.Height) > (bitmap.Width * bitmap.Height))
Size += writer.GetBytes("image/png").Length;
else
Size += imageBytes.Length;
}
}
images.Add(bitmap);
Width += bitmap.Width;
if (Height < bitmap.Height) Height = bitmap.Height;
}
/// <summary>
/// Returns Exif rotation in degrees. Returns 0 if the metadata
/// does not exist or could not be read. A negative value means
/// the image needs to be mirrored about the vertical axis.
/// </summary>
/// <param name="img">Image.</param>
public static int GetRotation(Bitmap img)
{
try
{
foreach (PropertyItem prop in img.PropertyItems)
{
if (prop.Id == TAG_ORIENTATION)
{
ushort orientationFlag = BitConverter.ToUInt16(prop.Value, 0);
if (orientationFlag == 1)
return 0;
else if (orientationFlag == 2)
return -360;
else if (orientationFlag == 3)
return 180;
else if (orientationFlag == 4)
return -180;
else if (orientationFlag == 5)
return -90;
else if (orientationFlag == 6)
return 90;
else if (orientationFlag == 7)
return -270;
else if (orientationFlag == 8)
return 270;
}
}
}
catch
{
;
}
return 0;
}
private Bitmap ResizeBitmap(Bitmap bmp)
{
ResizeBilinear resizer = new ResizeBilinear(pb_loaded.Width, pb_loaded.Height);
bmp = resizer.Apply(bmp);
//bmp.Save(fileNameCounter+"resized.png");
return bmp;
}
public void PasteFromBinaryScaledImageToTile(int zoom, double Lon, double Lat, int xTile, int yTile, double scale, byte[] bytes)
{
using (Bitmap iconImage = new Bitmap(new MemoryStream(bytes), false))
{
PasteScaledBitmapImageToTileByLatLon(zoom, Lon, Lat, xTile, yTile, scale, iconImage);
}
}
public static int LoadTexture(string filename)
{
var bitmap = new Bitmap (filename);
int id = GL.GenTexture ();
BitmapData bmpData = bitmap.LockBits (
new Rectangle (0, 0, bitmap.Width, bitmap.Height),
ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
GL.BindTexture (TextureTarget.Texture2D, id);
GL.TexImage2D (TextureTarget.Texture2D, 0,
PixelInternalFormat.Rgba,
bitmap.Width, bitmap.Height, 0,
OpenTK.Graphics.OpenGL.PixelFormat.Bgra,
PixelType.UnsignedByte,
bmpData.Scan0);
bitmap.UnlockBits (bmpData);
GL.TexParameter (TextureTarget.Texture2D,
TextureParameterName.TextureMinFilter,
(int)TextureMinFilter.Linear);
GL.TexParameter (TextureTarget.Texture2D,
TextureParameterName.TextureMagFilter,
(int)TextureMagFilter.Linear);
return id;
}
public Bitmap DrawBitmap(int theight, int twidth)
{
Bitmap bitmap3;
Bitmap bitmap = new Bitmap(this.Width, this.Height);
Rectangle targetBounds = new Rectangle(0, 0, this.Width, this.Height);
this.MyBrowser.DrawToBitmap(bitmap, targetBounds);
Image image = bitmap;
Bitmap bitmap2 = new Bitmap(twidth, theight, image.PixelFormat);
Graphics graphics = Graphics.FromImage(bitmap2);
graphics.CompositingQuality = CompositingQuality.HighSpeed;
graphics.SmoothingMode = SmoothingMode.HighSpeed;
graphics.InterpolationMode = InterpolationMode.HighQualityBilinear;
Rectangle rect = new Rectangle(0, 0, twidth, theight);
graphics.DrawImage(image, rect);
try
{
bitmap3 = bitmap2;
}
catch
{
bitmap3 = null;
}
finally
{
image.Dispose();
image = null;
this.MyBrowser.Dispose();
this.MyBrowser = null;
}
return bitmap3;
}
public Image<Gray, byte> byteArrayToImage(byte[] byteArrayIn)
{
MemoryStream ms = new MemoryStream(byteArrayIn);
Image i = Image.FromStream(ms);
Bitmap b = new Bitmap(i);
return new Image<Gray, byte>(b);
}
public void LoadContent()
{
tiles = new Bitmap[2];
tiles[0] = new Bitmap(@"Assets/Tiles/unpassable.png");
tiles[1] = new Bitmap(@"Assets/Tiles/dirt.png");
player = new Bitmap(@"Assets/avatar.png");
}
/// <summary>The quantize.</summary>
/// <param name="image">The image.</param>
/// <param name="pixelFormat">The pixel format.</param>
/// <param name="useDither">The use dither.</param>
/// <returns>The quantized image with the recalculated color palette.</returns>
public static Bitmap Quantize(Image image, PixelFormat pixelFormat, bool useDither)
{
Bitmap tryBitmap = image as Bitmap;
if (tryBitmap != null && tryBitmap.PixelFormat == PixelFormat.Format32bppArgb)
{
// The image passed to us is ALREADY a bitmap in the right format. No need to create
// a copy and work from there.
return DoQuantize(tryBitmap, pixelFormat, useDither);
}
// We use these values a lot
int width = image.Width;
int height = image.Height;
Rectangle sourceRect = Rectangle.FromLTRB(0, 0, width, height);
// Create a 24-bit rgb version of the source image
using (Bitmap bitmapSource = new Bitmap(width, height, PixelFormat.Format32bppArgb))
{
using (Graphics grfx = Graphics.FromImage(bitmapSource))
{
grfx.DrawImage(image, sourceRect, 0, 0, width, height, GraphicsUnit.Pixel);
}
return DoQuantize(bitmapSource, pixelFormat, useDither);
}
}
public ContextMenuModel(IScreen owner, string name, string displayName, Bitmap image = null)
{
Owner = owner;
Name = name;
DisplayName = displayName;
Image = image;
}
public CusCtlTellPanelChar(Liplis.MainSystem.Liplis lips, ObjSetting os, string url, string title, string discription, int newsEmotion, int newsPoint, Bitmap charBody, EventHandler enter, IContainer components)
{
this.lips = lips;
this.os = os;
initCms(components);
initDataPanelNonThum(url, title, discription, newsEmotion, newsPoint, charBody, enter);
}
private void DrawDebugInfo(Bitmap frame, VisionResults results)
{
using (var g = Graphics.FromImage(frame))
{
/*{
var thresholdString = string.Format("Threshold: {0}", HoughTransform.CannyThreshold);
var linkingString = string.Format("Linking: {0}", HoughTransform.CannyThresholdLinking);
g.FillRectangle(Brushes.White, 5, 5, 100, 50);
g.DrawString(thresholdString, SystemFonts.DefaultFont, Brushes.Crimson, new PointF(10, 10));
g.DrawString(linkingString, SystemFonts.DefaultFont, Brushes.Crimson, new PointF(10, 30));
}*/
if (showCircles)
foreach (var circle in results.Circles)
{
g.DrawEllipse(ellipsePen, circle.X - circle.Radius, circle.Y - circle.Radius, circle.Radius * 2, circle.Radius * 2);
g.DrawString(circle.Intensity.ToString(), SystemFonts.DefaultFont, Brushes.Orange, circle.X, circle.Y);
}
if (showLines)
foreach (var line in results.Lines)
{
g.DrawLine(linePen, line.P1, line.P2);
g.DrawString(line.Length.ToString("0.00"), SystemFonts.DefaultFont, Brushes.OrangeRed, line.P2);
}
if (results.TrackingBall)
{
g.DrawRectangle(camshiftPen, results.TrackWindow);
g.DrawLine(camshiftPen, results.TrackCenter, Point.Add(results.TrackCenter, new Size(1, 1)));
}
}
}
/// <summary>
/// Размещает иконку на тайле
/// </summary>
/// <param name="zoom"></param>
/// <param name="Lon"></param>
/// <param name="Lat"></param>
/// <param name="xTile"></param>
/// <param name="yTile"></param>
/// <param name="iconImage"></param>
public void PasteImageToTileByLatLon(int zoom, double Lon, double Lat, int xTile, int yTile, Bitmap iconImage)
{
int width = iconImage.Width;
int height = iconImage.Height;
CopyRegionIntoImage(iconImage, new Rectangle(0, 0, width, height), GetTargetBound(zoom, Lon, Lat, xTile, yTile, width, height));
}
public static Bitmap LoadPicture(string url)
{
System.Net.HttpWebRequest wreq;
System.Net.HttpWebResponse wresp;
Stream mystream;
Bitmap bmp;
bmp = null;
mystream = null;
wresp = null;
try
{
wreq = (System.Net.HttpWebRequest)System.Net.HttpWebRequest.Create(url);
wreq.AllowWriteStreamBuffering = true;
wresp = (System.Net.HttpWebResponse)wreq.GetResponse();
if ((mystream = wresp.GetResponseStream()) != null)
bmp = new Bitmap(mystream);
}
catch
{
// Do nothing...
}
finally
{
if (mystream != null)
mystream.Close();
if (wresp != null)
wresp.Close();
}
return (bmp);
}
public static Image CopyTextureToBitmap(D3D.Texture2D texture)
{
int width = texture.Description.Width;
if (width % 16 != 0)
width = MathExtensions.Round(width, 16) + 16;
Bitmap bmp = new Bitmap(texture.Description.Width, texture.Description.Height, PixelFormat.Format32bppArgb);
BitmapData bData = bmp.LockBits(new Rectangle(0, 0, bmp.Width, bmp.Height), ImageLockMode.WriteOnly, bmp.PixelFormat);
using (DataStream stream = new DataStream(bData.Scan0, bData.Stride * bData.Height, false, true))
{
DataRectangle rect = texture.Map(0, D3D.MapMode.Read, D3D.MapFlags.None);
using (DataStream texStream = rect.Data)
{
for (int y = 0; y < texture.Description.Height; y++)
for (int x = 0; x < rect.Pitch; x+=4)
{
byte[] bytes = texStream.ReadRange<byte>(4);
if (x < bmp.Width*4)
{
stream.Write<byte>(bytes[2]); // DXGI format is BGRA, GDI format is RGBA.
stream.Write<byte>(bytes[1]);
stream.Write<byte>(bytes[0]);
stream.Write<byte>(255);
}
}
}
}
bmp.UnlockBits(bData);
return bmp;
}
public static byte[] decodeBinary(Bitmap bmp)
{
byte[] bytes = null;
try
{
int wSize = bmp.Width, hSize = bmp.Height;
MemoryStream stream = new MemoryStream();
for (int w = 0; w < wSize; w++)
{
for (int h = 0; h < hSize; h++)
{
Color color = bmp.GetPixel(w, h);
if (color.R == 0 && color.G == 0 && color.B == 0) stream.WriteByte(color.A);
else break;
}
}
bytes = stream.ToArray();
stream = null;
}
catch (Exception e)
{
bytes = null;
}
return bytes;
}
public static System.Drawing.Bitmap Crop(this System.Drawing.Bitmap bmp, int width, int?height)
{
height = height ?? (int)(bmp.Height * ((double)width / (double)bmp.Width));
System.Drawing.Bitmap retVal = new Drawing.Bitmap(width, height.Value);
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(retVal);
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
g.DrawImage(bmp, 0, 0, width, height.Value);
return(retVal);
}
private void OnSynthetic(object sender, System.EventArgs e)
{
List <ABC> des = new List <ABC>();
List <ABC> predic = new List <ABC>();
int im = 0;
if (im == 0)
{
string[] arrdic = new String[] { "田", "字", "奉", "膂", "雪", "こ", "や", "至", "一", "だ", "ほ", "’", "ん", "と" };
Bitmap[] br = new Bitmap[arrdic.Length];
Bitmap[] brcop = new Bitmap[arrdic.Length];
List <ABC> listABC = new List <ABC>();
for (int i = 0; i < arrdic.Length; i++)
{
br[i] = (Bitmap)FontMethods.Render(arrdic[i]);
BitmapFilter.GrayToBlack(br[i], BRIGHT);
brcop[i] = (Bitmap)br[i].Clone();
brcop[i] = FontMethods.BoundCore(brcop[i]);
int[] fra = FontMethods.Fragment(brcop[i]);
//FontMethods.ImageToBackBone(br[i]);
br[i] = FontMethods.BoundCore(br[i]);
double[] d = FontMethods.AverageSquare(br[i]);
double[][] ad = FontMethods.Margin(br[i]);
ABC strABC = new ABC();
strABC.KEY = arrdic[i];
strABC.AverageSquare = d;
strABC.ProportionSquare = strABC.AverageSquare[1] == 0 ? 0 : strABC.AverageSquare[0] / strABC.AverageSquare[1];
strABC.Margin = ad;
strABC.Fragment = fra;
listABC.Add(strABC);
}
predic = listABC;
}
im = 1;
if (im == 1)
{
m_Undo = (Bitmap)m_Bitmap.Clone();
BitmapFilter.GrayToBlack(m_Bitmap, BRIGHT);
Bitmap[] arr = FontMethods.ImageToTextR1(m_Bitmap);
Bitmap[][] br = new Bitmap[arr.Length][];
Bitmap[] cr = new Bitmap[arr.Length];
for (int i = 0; i < arr.Length; i++)
{
br[i] = FontMethods.ImageToTextR2(arr[i]);
cr[i] = FontMethods.JoinBitmap(br[i]);
}
m_Bitmap = FontMethods.JoinBitmapH(cr);
this.AutoScroll = true;
this.AutoScrollMinSize = new Size((int)(m_Bitmap.Width * Zoom), (int)(m_Bitmap.Height * Zoom));
this.Invalidate();
Bitmap[][] brcop = new Bitmap[arr.Length][];
List <ABC> listABC = new List <ABC>();
for (int i = 0; i < arr.Length; i++)
{
Bitmap[] bbcop = new Bitmap[br[i].Length];
for (int j = 0; j < br[i].Length; j++)
{
bbcop[j] = (Bitmap)br[i][j].Clone();
bbcop[j] = FontMethods.BoundCore(bbcop[j]);
int[] fra = FontMethods.Fragment(bbcop[j]);
//FontMethods.ImageToBackBone(br[i][j]);
br[i][j] = FontMethods.BoundCore(br[i][j]);
double[] d = FontMethods.AverageSquare(br[i][j]);
double[][] ad = FontMethods.Margin(br[i][j]);
ABC strABC = new ABC();
strABC.AverageSquare = d;
strABC.ProportionSquare = strABC.AverageSquare[1] == 0 ? 0 : strABC.AverageSquare[0] / strABC.AverageSquare[1];
strABC.Margin = ad;
strABC.Fragment = fra;
listABC.Add(strABC);
}
}
des = listABC;
}
FncSynthetic(des, predic);
}
public static bool IsImage(this IFormFile postedFile)
{
//-------------------------------------------
// Check the image mime types
//-------------------------------------------
if (postedFile.ContentType.ToLower() != "image/jpg" &&
postedFile.ContentType.ToLower() != "image/jpeg" &&
postedFile.ContentType.ToLower() != "image/pjpeg" &&
postedFile.ContentType.ToLower() != "image/gif" &&
postedFile.ContentType.ToLower() != "image/x-png" &&
postedFile.ContentType.ToLower() != "image/png")
{
return(false);
}
//-------------------------------------------
// Check the image extension
//-------------------------------------------
if (Path.GetExtension(postedFile.FileName).ToLower() != ".jpg" &&
Path.GetExtension(postedFile.FileName).ToLower() != ".png" &&
Path.GetExtension(postedFile.FileName).ToLower() != ".gif" &&
Path.GetExtension(postedFile.FileName).ToLower() != ".jpeg")
{
return(false);
}
//-------------------------------------------
// Attempt to read the file and check the first bytes
//-------------------------------------------
try
{
if (!postedFile.OpenReadStream().CanRead)
{
return(false);
}
//------------------------------------------
//check whether the image size exceeding the limit or not
//------------------------------------------
if (postedFile.Length < ImageMinimumBytes)
{
return(false);
}
byte[] buffer = new byte[ImageMinimumBytes];
postedFile.OpenReadStream().Read(buffer, 0, ImageMinimumBytes);
string content = System.Text.Encoding.UTF8.GetString(buffer);
if (Regex.IsMatch(content, @"<script|<html|<head|<title|<body|<pre|<table|<a\s+href|<img|<plaintext|<cross\-domain\-policy",
RegexOptions.IgnoreCase | RegexOptions.CultureInvariant | RegexOptions.Multiline))
{
return(false);
}
}
catch (Exception)
{
return(false);
}
//-------------------------------------------
// Try to instantiate new Bitmap, if .NET will throw exception
// we can assume that it's not a valid image
//-------------------------------------------
try
{
using (var bitmap = new System.Drawing.Bitmap(postedFile.OpenReadStream()))
{
}
}
catch (Exception)
{
return(false);
}
finally
{
postedFile.OpenReadStream().Position = 0;
}
return(true);
}
public Bitmap CreateImageCode(string code)
{
int fSize = FontSize;
int fWidth = FWidth + Padding;
int imageWidth = (int)(code.Length * fWidth) + 4 + Padding * 2;
int imageHeight = FWidth * 2 + Padding;
System.Drawing.Bitmap image = new System.Drawing.Bitmap(imageWidth, imageHeight);
Graphics g = Graphics.FromImage(image);
g.Clear(BackgroundColor);
Random rand = new Random();
//给背景添加随机生成的燥点
if (this.Chaos)
{
Pen pen = new Pen(ChaosColor, 0);
int c = Length * 10;
for (int i = 0; i < c; i++)
{
int x = rand.Next(image.Width);
int y = rand.Next(image.Height);
g.DrawRectangle(pen, x, y, 1, 1);
}
}
int top1 = 1, top2 = 1;
int n1 = (imageHeight - FontSize - Padding * 2);
int n2 = n1 / 4;
top1 = n2;
top2 = n2 * 2;
//随机字体和颜色的验证码字符
for (int i = 0; i < code.Length; i++)
{
var cindex = rand.Next(Colors.Length - 1);
var findex = rand.Next(Fonts.Length - 1);
Font f = new System.Drawing.Font(Fonts[findex], fSize, System.Drawing.FontStyle.Bold);
Brush b = new System.Drawing.SolidBrush(Colors[cindex]);
var top = i % 2 == 1 ? top2 : top1;
var left = i * fWidth;
g.DrawString(code.Substring(i, 1), f, b, left, top);
}
//画一个边框 边框颜色为Color.Gainsboro
g.DrawRectangle(new Pen(Color.Gainsboro, 0), 0, 0, image.Width - 1, image.Height - 1);
g.Dispose();
//产生波形（Add By 51aspx.com）
image = TwistImage(image, true, 10, 4);
return(image);
}
public override void drawAttack(int x, int y, int targetx, int targety, ref System.Drawing.Bitmap bmap, System.Media.SoundPlayer player, ref PictureBox pictureMap, ref System.Drawing.Bitmap bmBackground, ref System.Drawing.Bitmap bmFull)
{
System.Threading.Thread.Sleep(150);
player.SoundLocation = @"Sounds/iongun2.wav";
Graphics g = Graphics.FromImage(bmap);
Rectangle rect; // --- размер изображения
Bitmap oldImage; // --- переменная, в которую его засунем
player.Play();
SolidBrush brush1 = new SolidBrush(Color.CadetBlue);
SolidBrush brush = new SolidBrush(Color.CornflowerBlue);
int dx, dy;
dx = (targetx - x) / 10;
dy = (targety - y) / 10;
for (int i = 0; i < 10; i++)
{
// --- 1) находим размер изображения
rect = new Rectangle(0, 0, bmap.Width, bmap.Height);
// --- 2) клонируем наш битмап
oldImage = bmap.Clone(rect, bmap.PixelFormat);
g.FillEllipse(brush, x - 5 + dx * i, y - 5 + dy * i, 10, 10);
g.FillEllipse(brush1, x - 3 + dx * i, y - 3 + dy * i, 6, 6);
pictureMap.Image = bmap;
pictureMap.Refresh();
// --- 3) отрисовываем тот битмам, который сохранили выше
g.DrawImage(oldImage, 0, 0);
//System.Threading.Thread.Sleep(15);
}
}
private void CaptureDevice_NewFrameAvailableEvent(string deviceType, int deviceIndex, System.Drawing.Bitmap bmp)
{
Action displayFrame = delegate
{
if (chb_FlipFrame.IsChecked == true)
{
bmp.RotateFlip(RotateFlipType.RotateNoneFlipX);
}
img_Preview.Source = Utilities.ToBitmapImage(bmp, ImageFormat.Jpeg);
Bitmap buf = new Bitmap(bmp);
if (isVideoRecording)
{
videoWriter.WriteVideoFrame(buf);
}
};
img_Preview.Dispatcher.Invoke(displayFrame);
currentFrame = bmp;
}
protected void btnUpdateSettings_Click(object sender, EventArgs e)
{
try
{
string fileName = Path.GetFileName(FUpimg.PostedFile.FileName);
string extension = Path.GetExtension(FUpimg.PostedFile.FileName);
if (txtCompanyName.Text == string.Empty || txtCompanyAddress.Text == string.Empty)
{
ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('Please Update the information below')", true);
}
else
{
SqlConnection cn = new SqlConnection(ConnectionString);
SqlCommand cmd = new SqlCommand();
cmd.CommandType = CommandType.Text;
cmd.CommandText = "Update dbo.[tbl_settings] set CompanyAddress = @CompanyAddress, CompanyName = @CompanyName,Location=@Location, Phone = @Phone, [EmailAddress] = @EmailAddress , [WebAddress] = @WebAddress ,[VatRate] = @VatRate , [VATRegistration] = @VATRegistration, [Footermsg] = @Footermsg , LastUpdate = GETDATE() , LastUpdateBy = @LastUpdateBy, [Currency] = @Currency where ID =' "+ TextBox2.Text + "' ";
cmd.Connection = cn;
cn.Open();
cmd.Parameters.AddWithValue("@CompanyName", txtCompanyName.Text);
cmd.Parameters.AddWithValue("@CompanyAddress", txtCompanyAddress.Text);
cmd.Parameters.AddWithValue("@Location", TextBox1.Text);
cmd.Parameters.AddWithValue("@Phone", txtPhone.Text);
cmd.Parameters.AddWithValue("@EmailAddress", txtEmailAddress.Text);
cmd.Parameters.AddWithValue("@WebAddress", txtWebAddress.Text);
cmd.Parameters.AddWithValue("@VatRate", txtVatRate.Text);
cmd.Parameters.AddWithValue("@VATRegistration", txtvatRegiNo.Text);
cmd.Parameters.AddWithValue("@Currency", txtCurrency.Text);
//cmd.Parameters.AddWithValue("@CompanyLogo", imgUser.ImageUrl);
cmd.Parameters.AddWithValue("@Footermsg", txtFooterMessage.Text);
cmd.Parameters.AddWithValue("@LastUpdateBy", Request.Cookies["InventMgtCookies"]["UserID"].ToString());
if (FUpimg.HasFile)
{
if (extension == ".png" || extension == ".jpg" || extension == ".PNG" || extension == ".JPG")
{
cmd.Parameters.AddWithValue("@CompanyLogo", "~/Logo/" + lblUID.Text + extension);
string SaveLocation = Server.MapPath("../Logo/") + lblUID.Text + extension;
string fileExtention = FUpimg.PostedFile.ContentType;
int fileLenght = FUpimg.PostedFile.ContentLength;
System.Drawing.Bitmap bmpPostedImage = new System.Drawing.Bitmap(FUpimg.PostedFile.InputStream);
System.Drawing.Image objImage = ScaleImage(bmpPostedImage, 128);
// Saving image in jpeg format
objImage.Save(SaveLocation, ImageFormat.Png);
// FUpimg.SaveAs(strPath);
imgUser.ImageUrl = "~/Logo/" + lblUID.Text + extension;
}
else
{
lblmsg.Visible = true;
lblmsg.Text = ".jpg and .Png Format can be support";
}
}
else
{
cmd.Parameters.AddWithValue("@CompanyLogo", imgUser.ImageUrl);
}
cmd.ExecuteNonQuery();
cn.Close();
ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('Updated')", true);
UpdateBindUpdate();
}
// company Logo Upload
}
catch
{
}
}
private void InitTexture()
{
System.Drawing.Bitmap contentBitmap = ManifestResourceLoader.LoadBitmap("DemoSimplePointSpriteElement.png");
// step 4: get texture's size
int targetTextureWidth;
{
// Get the maximum texture size supported by OpenGL.
int[] textureMaxSize = { 0 };
GL.GetInteger(GetTarget.MaxTextureSize, textureMaxSize);
// Find the target width and height sizes, which is just the highest
// posible power of two that'll fit into the image.
targetTextureWidth = textureMaxSize[0];
int scaledWidth = contentBitmap.Width;
for (int size = 1; size <= textureMaxSize[0]; size *= 2)
{
if (scaledWidth < size)
{
targetTextureWidth = size / 2;
break;
}
if (scaledWidth == size)
{
targetTextureWidth = size;
}
}
}
// step 5: scale contentBitmap to right size
System.Drawing.Bitmap targetImage = contentBitmap;
if (contentBitmap.Width != targetTextureWidth || contentBitmap.Height != targetTextureWidth)
{
// Resize the image.
targetImage = (System.Drawing.Bitmap)contentBitmap.GetThumbnailImage(targetTextureWidth, targetTextureWidth, null, IntPtr.Zero);
}
// step 6: generate texture
{
// Lock the image bits (so that we can pass them to OGL).
BitmapData bitmapData = targetImage.LockBits(new Rectangle(0, 0, targetImage.Width, targetImage.Height),
ImageLockMode.ReadOnly, PixelFormat.Format32bppArgb);
//GL.ActiveTexture(GL.GL_TEXTURE0);
GL.GenTextures(1, texture);
GL.BindTexture(GL.GL_TEXTURE_2D, texture[0]);
GL.TexImage2D(GL.GL_TEXTURE_2D, 0, (int)GL.GL_RGBA,
targetImage.Width, targetImage.Height, 0, GL.GL_BGRA, GL.GL_UNSIGNED_BYTE,
bitmapData.Scan0);
// Unlock the image.
targetImage.UnlockBits(bitmapData);
/* We require 1 byte alignment when uploading texture data */
//GL.PixelStorei(GL.GL_UNPACK_ALIGNMENT, 1);
/* Clamping to edges is important to prevent artifacts when scaling */
GL.TexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_S, (int)GL.GL_CLAMP_TO_EDGE);
GL.TexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_T, (int)GL.GL_CLAMP_TO_EDGE);
/* Linear filtering usually looks best for text */
GL.TexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, (int)GL.GL_LINEAR);
GL.TexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, (int)GL.GL_LINEAR);
}
// step 7: release images
{
//targetImage.Save("PointSpriteFontElement-TargetImage.png");
if (targetImage != contentBitmap)
{
targetImage.Dispose();
}
contentBitmap.Dispose();
}
}
static void ConvertPixelFormat(System.Drawing.Bitmap bitmap, out PixelLayout to)
{
System.Drawing.Imaging.PixelFormat from = bitmap.PixelFormat;
int flags = bitmap.Flags;
bool sRGB = false;
#if false
foreach (System.Drawing.Imaging.PropertyItem exifProperty in bitmap.PropertyItems)
{
switch (exifProperty.Id)
{
case ImageCodecPlugin.ExifTagColorSpace:
ImageCodecPlugin.ExifColorSpace value = (ImageCodecPlugin.ExifColorSpace)BitConverter.ToUInt16(exifProperty.Value, 0);
switch (value)
{
case ImageCodecPlugin.ExifColorSpace.sRGB:
sRGB = true;
break;
default:
break;
}
break;
case ImageCodecPlugin.ExifTagGamma:
UInt32 a1 = BitConverter.ToUInt32(exifProperty.Value, 0);
UInt32 a2 = BitConverter.ToUInt32(exifProperty.Value, 4);
Double gamma = (Double)a1 / (Double)a2;
break;
}
}
#endif
if ((flags & (int)ImageFlags.ColorSpaceRgb) != 0)
{
ConvertPixelFormatRgb(from, out to, sRGB);
}
else if ((flags & (int)ImageFlags.ColorSpaceGray) != 0)
{
switch (from)
{
case System.Drawing.Imaging.PixelFormat.Format1bppIndexed:
case System.Drawing.Imaging.PixelFormat.Format4bppIndexed:
case System.Drawing.Imaging.PixelFormat.Format8bppIndexed:
to = PixelLayout.R8;
break;
case System.Drawing.Imaging.PixelFormat.Format16bppGrayScale:
to = PixelLayout.R16;
break;
case System.Drawing.Imaging.PixelFormat.Format32bppArgb:
to = PixelLayout.BGRA32;
break;
default:
throw new ArgumentException(String.Format("GRAY pixel format {0} not supported", from));
}
}
else if ((flags & (int)ImageFlags.ColorSpaceYcck) != 0)
{
throw new ArgumentException(String.Format("YCCK pixel format {0} not supported", from));
}
else if ((flags & (int)ImageFlags.ColorSpaceYcbcr) != 0)
{
ConvertPixelFormatRgb(from, out to, sRGB);
}
else if ((flags & (int)ImageFlags.ColorSpaceCmyk) != 0)
{
throw new ArgumentException(String.Format("CMYK pixel format {0} not supported", from));
}
else
{
ConvertPixelFormatNoFlags(from, out to, sRGB);
}
}
private void btnstart_Click(object sender, EventArgs e)
{
int m = Convert.ToInt32(txtm.Text);
if (oribitmap == null)
{
MessageBox.Show("请先加载图片", "出错", MessageBoxButtons.OK, MessageBoxIcon.Warning); return;
}
int h = oribitmap.Height, w = oribitmap.Width;
bitmap = new Bitmap(w, h);
Rectangle rect1 = new Rectangle(0, 0, w, h);
System.Drawing.Imaging.BitmapData bmpdata1 = oribitmap.LockBits(rect1, System.Drawing.Imaging.ImageLockMode.ReadWrite, oribitmap.PixelFormat);
IntPtr ptr1 = bmpdata1.Scan0;
int bytes1 = bmpdata1.Stride * bmpdata1.Height;
byte[] rgbvalues1 = new byte[bytes1];
System.Runtime.InteropServices.Marshal.Copy(ptr1, rgbvalues1, 0, bytes1); //copy pixel
Rectangle rect2 = new Rectangle(0, 0, w, h);
System.Drawing.Imaging.BitmapData bmpdata2 = bitmap.LockBits(rect2, System.Drawing.Imaging.ImageLockMode.ReadWrite, bitmap.PixelFormat);
IntPtr ptr2 = bmpdata2.Scan0;
int bytes2 = bmpdata2.Stride * bmpdata2.Height;
byte[] rgbvalues2 = new byte[bytes2];
for (int x = 0; x < h; x++)
{
for (int y = 0; y < w * 4; y += 4)
{
int sumR = 0, sumG = 0, sumB = 0;
for (int a = -(m - 1) / 2; a <= (m - 1) / 2; a++)
{
for (int b = -(m - 1) / 2; b <= (m - 1) / 2; b++)
{
int u = x + a, v = y / 4 + b, pR, pG, pB;
if (u >= h || u < 0 || v >= w || v < 0)
{
pR = pG = pB = 0;
}
else
{
pR = rgbvalues1[u * bmpdata1.Stride + v * 4 + 2];
pG = rgbvalues1[u * bmpdata1.Stride + v * 4 + 1];
pB = rgbvalues1[u * bmpdata1.Stride + v * 4 + 0];
}
sumR += pR; sumG += pG; sumB += pB;
}
}
sumR = (int)((double)sumR / (double)(m * m) + 0.5);
sumG = (int)((double)sumG / (double)(m * m) + 0.5);
sumB = (int)((double)sumB / (double)(m * m) + 0.5);
int Al = rgbvalues1[x * bmpdata1.Stride + y + 3];
rgbvalues2[x * bmpdata2.Stride + y + 3] = (byte)Al;
rgbvalues2[x * bmpdata2.Stride + y + 2] = (byte)sumR;
rgbvalues2[x * bmpdata2.Stride + y + 1] = (byte)sumG;
rgbvalues2[x * bmpdata2.Stride + y + 0] = (byte)sumB;
}
}
//NEW RECTANGLE;
oribitmap.UnlockBits(bmpdata1);
System.Runtime.InteropServices.Marshal.Copy(rgbvalues2, 0, ptr2, bytes2);
bitmap.UnlockBits(bmpdata2);
pictureBox2.Image = bitmap;
}
private void btnmiddle_Click(object sender, EventArgs e)
{
int m = Convert.ToInt32(txtm.Text);
if (oribitmap == null)
{
MessageBox.Show("请先加载图片", "出错", MessageBoxButtons.OK, MessageBoxIcon.Warning); return;
}
int h = oribitmap.Height, w = oribitmap.Width;
bitmap = new Bitmap(w, h);
Rectangle rect1 = new Rectangle(0, 0, w, h);
System.Drawing.Imaging.BitmapData bmpdata1 = oribitmap.LockBits(rect1, System.Drawing.Imaging.ImageLockMode.ReadWrite, oribitmap.PixelFormat);
IntPtr ptr1 = bmpdata1.Scan0;
int bytes1 = bmpdata1.Stride * bmpdata1.Height;
byte[] rgbvalues1 = new byte[bytes1];
System.Runtime.InteropServices.Marshal.Copy(ptr1, rgbvalues1, 0, bytes1); //copy pixel
Rectangle rect2 = new Rectangle(0, 0, w, h);
System.Drawing.Imaging.BitmapData bmpdata2 = bitmap.LockBits(rect2, System.Drawing.Imaging.ImageLockMode.ReadWrite, bitmap.PixelFormat);
IntPtr ptr2 = bmpdata2.Scan0;
int bytes2 = bmpdata2.Stride * bmpdata2.Height;
byte[] rgbvalues2 = new byte[bytes2];
for (int x = 0; x < h; x++)
{
for (int y = 0; y < w * 4; y += 4)
{
int[] R = new int[m * m];
int[] G = new int[m * m];
int[] B = new int[m * m];
int id = 0;
for (int a = -(m - 1) / 2; a <= (m - 1) / 2; a++)
{
for (int b = -(m - 1) / 2; b <= (m - 1) / 2; b++)
{
int u = x + a, v = y / 4 + b;
if (u >= h || u < 0 || v >= w || v < 0)
{
R[id] = G[id] = B[id] = 0;
}
else
{
R[id] = rgbvalues1[u * bmpdata1.Stride + v * 4 + 2];
G[id] = rgbvalues1[u * bmpdata1.Stride + v * 4 + 1];
B[id] = rgbvalues1[u * bmpdata1.Stride + v * 4 + 0];
}
id++;
}
}
Array.Sort(R);
Array.Sort(G);
Array.Sort(B);
int Al = rgbvalues1[x * bmpdata1.Stride + y + 3];
rgbvalues2[x * bmpdata2.Stride + y + 3] = (byte)Al;
rgbvalues2[x * bmpdata2.Stride + y + 2] = (byte)R[(m * m + 1) / 2];
rgbvalues2[x * bmpdata2.Stride + y + 1] = (byte)G[(m * m + 1) / 2];
rgbvalues2[x * bmpdata2.Stride + y + 0] = (byte)B[(m * m + 1) / 2];
}
}
//NEW RECTANGLE;
oribitmap.UnlockBits(bmpdata1);
System.Runtime.InteropServices.Marshal.Copy(rgbvalues2, 0, ptr2, bytes2);
bitmap.UnlockBits(bmpdata2);
pictureBox2.Image = bitmap;
}
/// <summary>
/// 生成缩略图
/// </summary>
/// <param name="originalImagePath">源图路径（物理路径）</param>
/// <param name="thumbnailPath">缩略图路径（物理路径）</param>
/// <param name="width">缩略图宽度</param>
/// <param name="height">缩略图高度</param>
/// <param name="mode">生成缩略图的方式</param>
public static void MakeThumbnail(string originalImagePath, string thumbnailPath, int width, int height, string mode)
{
System.Drawing.Image originalImage = System.Drawing.Image.FromFile(originalImagePath);
int towidth = width;
int toheight = height;
int x = 0;
int y = 0;
int ow = originalImage.Width;
int oh = originalImage.Height;
switch (mode)
{
case "HW": //指定高宽缩放（可能变形）
break;
case "W": //指定宽，高按比例
toheight = originalImage.Height * width / originalImage.Width;
break;
case "H": //指定高，宽按比例
towidth = originalImage.Width * height / originalImage.Height;
break;
case "Cut": //指定高宽裁减（不变形）
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 * height / towidth;
x = 0;
y = (originalImage.Height - oh) / 2;
}
break;
default:
break;
}
//新建一个bmp图片
System.Drawing.Image bitmap = new System.Drawing.Bitmap(towidth, toheight);
//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.High;
//设置高质量,低速度呈现平滑程度
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
//清空画布并以透明背景色填充
g.Clear(System.Drawing.Color.Transparent);
//在指定位置并且按指定大小绘制原图片的指定部分
g.DrawImage(originalImage, new System.Drawing.Rectangle(0, 0, towidth, toheight), new System.Drawing.Rectangle(x, y, ow, oh), System.Drawing.GraphicsUnit.Pixel);
try
{
//以jpg格式保存缩略图
bitmap.Save(thumbnailPath, System.Drawing.Imaging.ImageFormat.Jpeg);
}
catch (System.Exception e)
{
throw e;
}
finally
{
originalImage.Dispose();
bitmap.Dispose();
g.Dispose();
}
}
/// <summary>
/// Draw Reflection
/// </summary>
/// <param name="img">Set Image</param>
/// <param name="toBG">Set Color of Background</param>
/// <param name="toBG1">Set Color of Background</param>
/// <param name="drawMode">Set the Draw Mode. Default value is Solid</param>
/// <param name="RotateFlipType">Set Rotation. Default value is Rotate180FlipX</param>
/// <param name="LinearGradientMode">Set Gradient Mode. Default value is Vertical</param>
/// <param name="Length">Set the length. Default value is 100</param>
/// <returns></returns>
public static Image DrawReflection(Image img, Color toBG,
Color toBG1, drawMode drawMode = drawMode.Solid,
RotateFlipType RotateFlipType = RotateFlipType.Rotate180FlipX,
LinearGradientMode LinearGradientMode = LinearGradientMode.Vertical,
int Length = 100) // img is the original image.
{
//This is the static function that generates the reflection...
int height = img.Height + Length; //Added height from the original height of the image.
System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(img.Width, height, PixelFormat.Format64bppPArgb); //A new bitmap.
Brush brsh = null;//The Brush that generates the fading effect to a specific color of your background.
switch (drawMode)
{
case drawMode.Solid:
brsh = new LinearGradientBrush(new Rectangle(0, 0, img.Width + 10, height), Color.Transparent, toBG, LinearGradientMode); //The Brush that generates the fading effect to a specific color of your background.
break;
case drawMode.Gradient:
brsh = new LinearGradientBrush(new Rectangle(0, 0, img.Width + 10, height), Color.Transparent, toBG, LinearGradientMode); //The Brush that generates the fading effect to a specific color of your background.
break;
case drawMode.Hatch:
brsh = new LinearGradientBrush(new Rectangle(0, 0, img.Width + 10, height), toBG1, toBG, LinearGradientMode); //The Brush that generates the fading effect to a specific color of your background.
break;
case drawMode.None:
break;
default:
break;
}
bmp.SetResolution(img.HorizontalResolution, img.VerticalResolution); //Sets the new bitmap's resolution.
using (System.Drawing.Graphics grfx = System.Drawing.Graphics.FromImage(bmp)) //A graphics to be generated from an image (here, the new Bitmap we've created (bmp)).
{
System.Drawing.Bitmap bm = (System.Drawing.Bitmap)img; //Generates a bitmap from the original image (img).
grfx.DrawImage(bm, 0, 0, img.Width, img.Height); //Draws the generated bitmap (bm) to the new bitmap (bmp).
System.Drawing.Bitmap bm1 = (System.Drawing.Bitmap)img; //Generates a bitmap again from the original image (img).
bm1.RotateFlip(RotateFlipType); //Flips and rotates the image (bm1).
grfx.DrawImage(bm1, 0, img.Height); //Draws (bm1) below (bm) so it serves as the reflection image.
Rectangle rt = new Rectangle(0, img.Height, img.Width, Length); //A new rectangle to paint our gradient effect.
switch (drawMode)
{
case drawMode.Solid:
grfx.FillRectangle(brsh, rt); //Brushes the gradient on (rt).
break;
case drawMode.Gradient:
grfx.FillRectangle(brsh, rt); //Brushes the gradient on (rt).
break;
case drawMode.Hatch:
grfx.FillRectangle(brsh, rt); //Brushes the gradient on (rt).
break;
case drawMode.None:
break;
default:
throw new ArgumentOutOfRangeException(nameof(drawMode), drawMode, null);
}
}
return(bmp); //Returns the (bmp) with the generated image.
}
/// <summary>
/// Writes the given bitmap to the desktop.
/// </summary>
/// <param name="bitmap">The bitmap to write to the desktop.</param>
/// <param name="fileName">The target file name.</param>
public static void DumpToDesktop(this GDI.Bitmap bitmap, string fileName)
{
string desktopDir = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
bitmap.Save(Path.Combine(desktopDir, fileName));
}
/// <summary>
/// 生成缩略图
/// </summary>
/// <param name="orginalImagePat">原图片地址</param>
/// <param name="thumNailPath">缩略图地址</param>
/// <param name="width">缩略图宽度</param>
/// <param name="height">缩略图高度</param>
/// <param name="model">生成缩略的模式</param>
public static void MakeThumNail(string originalImagePath, string thumNailPath, int width, int height, string model)
{
System.Drawing.Image originalImage = System.Drawing.Image.FromFile(originalImagePath);
int thumWidth = width; //缩略图的宽度
int thumHeight = height; //缩略图的高度
int x = 0;
int y = 0;
int originalWidth = originalImage.Width; //原始图片的宽度
int originalHeight = originalImage.Height; //原始图片的高度
switch (model)
{
case "HW": //指定高宽缩放,可能变形
break;
case "W": //指定宽度,高度按照比例缩放
thumHeight = originalImage.Height * width / originalImage.Width;
break;
case "H": //指定高度,宽度按照等比例缩放
thumWidth = originalImage.Width * height / originalImage.Height;
break;
case "Cut":
if ((double)originalImage.Width / (double)originalImage.Height > (double)thumWidth / (double)thumHeight)
{
originalHeight = originalImage.Height;
originalWidth = originalImage.Height * thumWidth / thumHeight;
y = 0;
x = (originalImage.Width - originalWidth) / 2;
}
else
{
originalWidth = originalImage.Width;
originalHeight = originalWidth * height / thumWidth;
x = 0;
y = (originalImage.Height - originalHeight) / 2;
}
break;
default:
break;
}
//新建一个bmp图片
System.Drawing.Image bitmap = new System.Drawing.Bitmap(thumWidth, thumHeight);
//新建一个画板
System.Drawing.Graphics graphic = System.Drawing.Graphics.FromImage(bitmap);
//设置高质量查值法
graphic.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High;
//设置高质量，低速度呈现平滑程度
graphic.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
//清空画布并以透明背景色填充
graphic.Clear(System.Drawing.Color.Transparent);
//在指定位置并且按指定大小绘制原图片的指定部分
graphic.DrawImage(originalImage, new System.Drawing.Rectangle(0, 0, thumWidth, thumHeight), new System.Drawing.Rectangle(x, y, originalWidth, originalHeight), System.Drawing.GraphicsUnit.Pixel);
try
{
bitmap.Save(thumNailPath, System.Drawing.Imaging.ImageFormat.Jpeg);
}
catch (Exception ex)
{
throw ex;
}
finally
{
originalImage.Dispose();
bitmap.Dispose();
graphic.Dispose();
}
}
private void FillData()
{
try
{
int length;
IDC_FLAG = true;
// 照片保存在当前目录
String szXPPath = "zp.bmp";
System.Drawing.Image img = System.Drawing.Image.FromFile(szXPPath);
System.Drawing.Image bmp = new System.Drawing.Bitmap(img);
img.Dispose();
pictureEdit1.Image = bmp;
byte[] name = new byte[128];
length = 128;
CVRSDK.GetPeopleName(ref name[0], ref length);
byte[] cnName = new byte[128];
length = 128;
CVRSDK.GetPeopleChineseName(ref cnName[0], ref length);
byte[] number = new byte[128];
length = 128;
CVRSDK.GetPeopleIDCode(ref number[0], ref length);
byte[] peopleNation = new byte[128];
length = 128;
CVRSDK.GetPeopleNation(ref peopleNation[0], ref length);
byte[] peopleNationCode = new byte[128];
length = 128;
CVRSDK.GetNationCode(ref peopleNationCode[0], ref length);
byte[] validtermOfStart = new byte[128];
length = 128;
CVRSDK.GetStartDate(ref validtermOfStart[0], ref length);
byte[] birthday = new byte[128];
length = 128;
CVRSDK.GetPeopleBirthday(ref birthday[0], ref length);
byte[] address = new byte[128];
length = 128;
CVRSDK.GetPeopleAddress(ref address[0], ref length);
byte[] validtermOfEnd = new byte[128];
length = 128;
CVRSDK.GetEndDate(ref validtermOfEnd[0], ref length);
byte[] signdate = new byte[128];
length = 128;
CVRSDK.GetDepartment(ref signdate[0], ref length);
byte[] sex = new byte[128];
length = 128;
CVRSDK.GetPeopleSex(ref sex[0], ref length);
byte[] Uid = new byte[128];
length = 128;
//CVRSDK.GetIDCardUID(ref Uid[0], 128);
bool bCivic = true;
byte[] certType = new byte[32];
length = 32;
CVRSDK.GetCertType(ref certType[0], ref length);
string strType = System.Text.Encoding.ASCII.GetString(certType);
int nStart = strType.IndexOf("I");
if (nStart != -1)
{
bCivic = false;
}
if (ic01 == null)
{
ic01 = new Ic01();
ic01.ic001 = Tools.GetEntityPK("IC01");
}
ic01.ic000 = "0"; //0-逝者 1-家属
ic01.ic003 = System.Text.Encoding.GetEncoding("GB2312").GetString(name).Trim(); //姓名
ic01.ic002 = System.Text.Encoding.GetEncoding("GB2312").GetString(sex).Replace("\0", "").Trim() == "男" ? "0" : "1";
//出生日期
string s_birth = System.Text.Encoding.GetEncoding("GB2312").GetString(birthday).Replace("\0", "").Trim();
ic01.ic004 = Convert.ToDateTime(s_birth.Substring(0, 4) + "-" + s_birth.Substring(4, 2) + "-" + s_birth.Substring(6));
//身份证号
ic01.ic014 = System.Text.Encoding.GetEncoding("GB2312").GetString(number).Replace("\0", "").Trim();
//地址
ic01.ic016 = System.Text.Encoding.GetEncoding("GB2312").GetString(address).Replace("\0", "").Trim();
//签发机关
ic01.ic017 = System.Text.Encoding.GetEncoding("GB2312").GetString(signdate).Replace("\0", "").Trim();
//有效期限
ic01.ic018 = System.Text.Encoding.GetEncoding("GB2312").GetString(validtermOfStart).Replace("\0", "").Trim() + "-" + System.Text.Encoding.GetEncoding("GB2312").GetString(validtermOfEnd).Replace("\0", "").Trim();
txtEdit_ac003.EditValue = ic01.ic003.Trim();
rg_ac002.EditValue = ic01.ic002;
txtEdit_ac004.EditValue = MiscAction.Calc_Age_Via_Birth(ic01.ic004.ToString("yyyy-MM-dd"));
txtEdit_ac008.EditValue = ic01.ic016.Trim();
txtedit_ac014.EditValue = ic01.ic014.Trim();
}
catch (Exception ex)
{
XtraMessageBox.Show(ex.ToString(), "读卡错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
/// <summary>
/// Load media from stream.
/// </summary>
/// <param name="stream">
/// A <see cref="Stream"/> where the media data is stored.
/// </param>
/// <param name="criteria">
/// A <see cref="MediaCodecCriteria"/> that specify parameters for loading an media stream.
/// </param>
/// <returns>
/// An <see cref="Image"/> holding the media data.
/// </returns>
/// <exception cref="ArgumentNullException">
/// Exception thrown if <paramref name="stream"/> or <paramref name="criteria"/> is null.
/// </exception>
public Image Load(Stream stream, ImageCodecCriteria criteria)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (criteria == null)
{
throw new ArgumentNullException("criteria");
}
using (System.Drawing.Bitmap iBitmap = new System.Drawing.Bitmap(stream)) {
Image image;
PixelLayout pType, pConvType;
// Allocate image raster
ConvertPixelFormat(iBitmap, out pType);
// Check for hardware/software support
if (pType.IsSupportedInternalFormat() == false)
{
if (criteria.IsSet(ImageCodecCriteria.SoftwareSupport) && (bool)criteria[ImageCodecCriteria.SoftwareSupport])
{
// Pixel type not directly supported by hardware... try to guess suitable software conversion
pConvType = Pixel.GuessBestSupportedConvertion(pType);
if (pConvType == PixelLayout.None)
{
throw new InvalidOperationException("pixel type " + pType.ToString() + " is not supported by hardware neither software");
}
}
else
{
throw new InvalidOperationException("pixel type " + pType.ToString() + " is not supported by hardware");
}
}
else
{
pConvType = pType;
}
image = new Image();
image.Create(pType, (uint)iBitmap.Width, (uint)iBitmap.Height);
switch (iBitmap.PixelFormat)
{
case System.Drawing.Imaging.PixelFormat.Format1bppIndexed:
case System.Drawing.Imaging.PixelFormat.Format4bppIndexed:
case System.Drawing.Imaging.PixelFormat.Format8bppIndexed:
if (Platform.RunningMono)
{
// Bug 676362 - Bitmap Clone does not format return image to requested PixelFormat
// https://bugzilla.novell.com/show_bug.cgi?id=676362
//
// ATM no mono version has resolved the bug; current workaround is performing image
// sampling pixel by pixel, using internal conversion routines, even if it is very slow
LoadBitmapByPixel(iBitmap, image);
}
else
{
LoadBitmapByClone(iBitmap, image);
}
break;
default:
LoadBitmapByLockBits(iBitmap, image);
break;
}
// ConvertItemType image to supported format, if necessary
if ((pConvType != PixelLayout.None) && (pConvType != pType))
{
image = image.Convert(pConvType);
}
return(image);
}
}
// This method will run on a thread other than the UI thread.
// Be sure not to manipulate any Windows Forms controls created
// on the UI thread from this method.
private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
{
backgroundWorker.ReportProgress(0, "Memulai...");
filteredImage = (Bitmap)pictureBox1.Image.Clone();
int numClusters = (int)numericUpDown2.Value;
int maxIterations = (int)numericUpDown3.Value;
double accuracy = (double)numericUpDown4.Value;
List <ClusterPoint> points = new List <ClusterPoint>();
for (int row = 0; row < originalImage.Width; ++row)
{
for (int col = 0; col < originalImage.Height; ++col)
{
Color c2 = originalImage.GetPixel(row, col);
points.Add(new ClusterPoint(row, col, c2));
}
}
List <ClusterCentroid> centroids = new List <ClusterCentroid>();
//Create random points to use a the cluster centroids
Random random = new Random();
for (int i = 0; i < numClusters; i++)
{
int randomNumber1 = random.Next(sourceImage.Width);
int randomNumber2 = random.Next(sourceImage.Height);
centroids.Add(new ClusterCentroid(randomNumber1, randomNumber2, filteredImage.GetPixel(randomNumber1, randomNumber2)));
}
FCM alg = new FCM(points, centroids, 2, filteredImage, (int)numericUpDown2.Value);
int k = 0;
do
{
if ((backgroundWorker.CancellationPending == true))
{
e.Cancel = true;
break;
}
else
{
k++;
alg.J = alg.CalculateObjectiveFunction();
alg.CalculateClusterCentroids();
alg.Step();
double Jnew = alg.CalculateObjectiveFunction();
Console.WriteLine("Run method i={0} accuracy = {1} delta={2}", k, alg.J, Math.Abs(alg.J - Jnew));
toolStripStatusLabel2.Text = "Precision " + Math.Abs(alg.J - Jnew);
// Format and display the TimeSpan value.
string elapsedTime = String.Format("{0:00}:{1:00}:{2:00}.{3:00}", stopWatch.Elapsed.Hours, stopWatch.Elapsed.Minutes, stopWatch.Elapsed.Seconds, stopWatch.Elapsed.Milliseconds / 10);
toolStripStatusLabel3.Text = "Durasi: " + elapsedTime;
pictureBox2.Image = (Bitmap)alg.getProcessedImage;
backgroundWorker.ReportProgress((100 * k) / maxIterations, "Iterasi " + k);
if (Math.Abs(alg.J - Jnew) < accuracy)
{
break;
}
}
}while (maxIterations > k);
Console.WriteLine("Done.");
stopWatch.Stop();
// Get the elapsed time as a TimeSpan value.
TimeSpan ts = stopWatch.Elapsed;
// Save the segmented image
pictureBox2.Image = (Bitmap)alg.getProcessedImage.Clone();
alg.getProcessedImage.Save("segmented.png");
// Create a new image for each cluster in order to extract the features from the original image
double[,] Matrix = alg.U;
Bitmap[] bmapArray = new Bitmap[centroids.Count];
for (int i = 0; i < centroids.Count; i++)
{
bmapArray[i] = new Bitmap(sourceImage.Width, sourceImage.Height, PixelFormat.Format32bppRgb);
}
for (int j = 0; j < points.Count; j++)
{
for (int i = 0; i < centroids.Count; i++)
{
ClusterPoint p = points[j];
if (Matrix[j, i] == p.ClusterIndex)
{
bmapArray[i].SetPixel((int)p.X, (int)p.Y, p.OriginalPixelColor);
}
}
}
// Save the image for each segmented cluster
for (int i = 0; i < centroids.Count; i++)
{
bmapArray[i].Save("Cluster" + i + ".png");
}
// Resource cleanup...more work to do here to avoid memory problems!!!
backgroundWorker.ReportProgress(100, "Done in " + k + " iterasi.");
////alg.Dispose();
for (int i = 0; i < points.Count; i++)
{
points[i] = null;
}
for (int i = 0; i < centroids.Count; i++)
{
centroids[i] = null;
}
alg = null;
//centroids.Clear();
//points.Clear();
}
private void CreateCheckCodeImage(string checkCode)
{ //将验证码生成图片显示
if (checkCode == null || checkCode.Trim() == String.Empty)
{
return;
}
System.Drawing.Bitmap image = new System.Drawing.Bitmap(imgWidth, imgheight);
Graphics g = Graphics.FromImage(image);
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.ClearTypeGridFit;
try
{
//生成随机生成器
Random random = new Random();
//清空图片背景色
g.Clear(Color.White);
StringFormat sf = new StringFormat(StringFormatFlags.NoClip);
sf.Alignment = StringAlignment.Center;
sf.LineAlignment = StringAlignment.Center;
//List<FontStyle> a = GetRndColor(checkCode.Length);
FontStyle fontcolor = GetColorList[random.Next(0, GetColorList.Count)];
//画文字
int charX, CharY, charSize, charFontSize;
//移除宽度
int delwidth = 0;
//旋转角度
int rotatefont = 0;
Matrix mat = new Matrix();
for (int i = 0; i < checkCode.Length; i++)
{
if (i != 0)
{
delwidth = rnd.Next(fontsize / 4, fontsize / 3);
}
rotatefont = random.Next(-30, 30);
charFontSize = rnd.Next(fontsize - 5, fontsize);
charSize = (imgWidth - 5) / checkCode.Length;
charX = charSize * (i) + rnd.Next(2, 15);
CharY = rnd.Next(1, imgheight - (charFontSize)) - 7;
mat.RotateAt(rotatefont, new PointF(charX, fontsize));
g.Transform = mat;
g.DrawString(checkCode[i].ToString(), new System.Drawing.Font("garamond", charFontSize, (System.Drawing.FontStyle.Bold)), new SolidBrush(fontcolor.FontColor), charX - delwidth, CharY);
mat.RotateAt(rotatefont * -1, new PointF(charX, fontsize));
g.Transform = mat;
}
g.Transform = new Matrix();
//画图片的边框线
g.DrawRectangle(new Pen(Color.Silver), 0, 0, image.Width - 1, image.Height - 1);
System.IO.MemoryStream ms = new System.IO.MemoryStream();
image.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
Response.ClearContent();
Response.ContentType = "image/x-png";
Response.BinaryWrite(ms.ToArray());
}
finally
{
g.Dispose();
image.Dispose();
}
}
/// <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>
/// <remarks>汪磊 2012-08-08</remarks>
/// <param name="fromFile">原图Stream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.IO.Stream fromFile, string fileSaveUrl, int maxWidth, int maxHeight, int quality)
{
//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(fromFile, 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(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
Rectangle fromR = new Rectangle(0, 0, 0, 0); //原图裁剪定位
Rectangle toR = new 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)System.Math.Floor(initImage.Width / templateRate));
pickedG = System.Drawing.Graphics.FromImage(pickedImage);
//裁剪源定位
fromR.X = 0;
fromR.Y = (int)System.Math.Floor((initImage.Height - initImage.Width / templateRate) / 2);
fromR.Width = initImage.Width;
fromR.Height = (int)System.Math.Floor(initImage.Width / templateRate);
//裁剪目标定位
toR.X = 0;
toR.Y = 0;
toR.Width = initImage.Width;
toR.Height = (int)System.Math.Floor(initImage.Width / templateRate);
}
//高为标准进行裁剪
else
{
pickedImage = new System.Drawing.Bitmap((int)System.Math.Floor(initImage.Height * templateRate), initImage.Height);
pickedG = System.Drawing.Graphics.FromImage(pickedImage);
fromR.X = (int)System.Math.Floor((initImage.Width - initImage.Height * templateRate) / 2);
fromR.Y = 0;
fromR.Width = (int)System.Math.Floor(initImage.Height * templateRate);
fromR.Height = initImage.Height;
toR.X = 0;
toR.Y = 0;
toR.Width = (int)System.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(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
ImageCodecInfo[] icis = ImageCodecInfo.GetImageEncoders();
ImageCodecInfo ici = null;
foreach (ImageCodecInfo i in icis)
{
if (i.MimeType == "image/jpeg" || i.MimeType == "image/bmp" || i.MimeType == "image/png" || i.MimeType == "image/gif")
{
ici = i;
}
}
EncoderParameters ep = new EncoderParameters(1);
ep.Param[0] = new 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();
}
public EasyDraw(System.Drawing.Bitmap bitmap, bool addCollider = true) : base(bitmap, addCollider)
{
Initialize();
}
public Form1()
{
InitializeComponent();
m_Bitmap = new Bitmap(2, 2);
}
/// <summary>
/// 图片等比缩放
/// </summary>
/// <remarks>汪磊 2012-08-08</remarks>
/// <param name="fromFile">原图Stream对象</param>
/// <param name="savePath">缩略图存放地址</param>
/// <param name="targetWidth">指定的最大宽度</param>
/// <param name="targetHeight">指定的最大高度</param>
/// <param name="watermarkText">水印文字(为""表示不使用水印)</param>
/// <param name="watermarkImage">水印图片路径(为""表示不使用水印)</param>
public static void ZoomAuto(System.IO.Stream fromFile, string savePath, System.Double targetWidth, System.Double targetHeight, string watermarkText, string watermarkImage)
{
//创建目录
string dir = Path.GetDirectoryName(savePath);
if (!Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
}
//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 <= targetWidth && initImage.Height <= targetHeight)
{
//文字水印
if (watermarkText != "")
{
using (System.Drawing.Graphics gWater = System.Drawing.Graphics.FromImage(initImage))
{
System.Drawing.Font fontWater = new Font("黑体", 10);
System.Drawing.Brush brushWater = new SolidBrush(Color.White);
gWater.DrawString(watermarkText, fontWater, brushWater, 10, 10);
gWater.Dispose();
}
}
//透明图片水印
if (watermarkImage != "")
{
if (File.Exists(watermarkImage))
{
//获取水印图片
using (System.Drawing.Image wrImage = System.Drawing.Image.FromFile(watermarkImage))
{
//水印绘制条件：原始图片宽高均大于或等于水印图片
if (initImage.Width >= wrImage.Width && initImage.Height >= wrImage.Height)
{
Graphics gWater = Graphics.FromImage(initImage);
//透明属性
ImageAttributes imgAttributes = new ImageAttributes();
ColorMap colorMap = new ColorMap();
colorMap.OldColor = Color.FromArgb(255, 0, 255, 0);
colorMap.NewColor = Color.FromArgb(0, 0, 0, 0);
ColorMap[] remapTable = { colorMap };
imgAttributes.SetRemapTable(remapTable, ColorAdjustType.Bitmap);
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, 0.5f, 0.0f },//透明度:0.5
new float[] { 0.0f, 0.0f, 0.0f, 0.0f, 1.0f }
};
ColorMatrix wmColorMatrix = new ColorMatrix(colorMatrixElements);
imgAttributes.SetColorMatrix(wmColorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
gWater.DrawImage(wrImage, new Rectangle(initImage.Width - wrImage.Width, initImage.Height - wrImage.Height, wrImage.Width, wrImage.Height), 0, 0, wrImage.Width, wrImage.Height, GraphicsUnit.Pixel, imgAttributes);
gWater.Dispose();
}
wrImage.Dispose();
}
}
}
//保存
initImage.Save(savePath, System.Drawing.Imaging.ImageFormat.Jpeg);
}
else
{
//缩略图宽、高计算
double newWidth = initImage.Width;
double newHeight = initImage.Height;
//宽大于高或宽等于高（横图或正方）
if (initImage.Width > initImage.Height || initImage.Width == initImage.Height)
{
//如果宽大于模版
if (initImage.Width > targetWidth)
{
//宽按模版，高按比例缩放
newWidth = targetWidth;
newHeight = initImage.Height * (targetWidth / initImage.Width);
}
}
//高大于宽（竖图）
else
{
//如果高大于模版
if (initImage.Height > targetHeight)
{
//高按模版，宽按比例缩放
newHeight = targetHeight;
newWidth = initImage.Width * (targetHeight / initImage.Height);
}
}
//生成新图
//新建一个bmp图片
System.Drawing.Image newImage = new System.Drawing.Bitmap((int)newWidth, (int)newHeight);
//新建一个画板
System.Drawing.Graphics newG = System.Drawing.Graphics.FromImage(newImage);
//设置质量
newG.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
newG.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
//置背景色
newG.Clear(Color.White);
//画图
newG.DrawImage(initImage, new System.Drawing.Rectangle(0, 0, newImage.Width, newImage.Height), new System.Drawing.Rectangle(0, 0, initImage.Width, initImage.Height), System.Drawing.GraphicsUnit.Pixel);
//文字水印
if (watermarkText != "")
{
using (System.Drawing.Graphics gWater = System.Drawing.Graphics.FromImage(newImage))
{
System.Drawing.Font fontWater = new Font("宋体", 10);
System.Drawing.Brush brushWater = new SolidBrush(Color.White);
gWater.DrawString(watermarkText, fontWater, brushWater, 10, 10);
gWater.Dispose();
}
}
//透明图片水印
if (watermarkImage != "")
{
if (File.Exists(watermarkImage))
{
//获取水印图片
using (System.Drawing.Image wrImage = System.Drawing.Image.FromFile(watermarkImage))
{
//水印绘制条件：原始图片宽高均大于或等于水印图片
if (newImage.Width >= wrImage.Width && newImage.Height >= wrImage.Height)
{
Graphics gWater = Graphics.FromImage(newImage);
//透明属性
ImageAttributes imgAttributes = new ImageAttributes();
ColorMap colorMap = new ColorMap();
colorMap.OldColor = Color.FromArgb(255, 0, 255, 0);
colorMap.NewColor = Color.FromArgb(0, 0, 0, 0);
ColorMap[] remapTable = { colorMap };
imgAttributes.SetRemapTable(remapTable, ColorAdjustType.Bitmap);
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, 0.5f, 0.0f },//透明度:0.5
new float[] { 0.0f, 0.0f, 0.0f, 0.0f, 1.0f }
};
ColorMatrix wmColorMatrix = new ColorMatrix(colorMatrixElements);
imgAttributes.SetColorMatrix(wmColorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
gWater.DrawImage(wrImage, new Rectangle(newImage.Width - wrImage.Width, newImage.Height - wrImage.Height, wrImage.Width, wrImage.Height), 0, 0, wrImage.Width, wrImage.Height, GraphicsUnit.Pixel, imgAttributes);
gWater.Dispose();
}
wrImage.Dispose();
}
}
}
//保存缩略图
newImage.Save(savePath, System.Drawing.Imaging.ImageFormat.Jpeg);
//释放资源
newG.Dispose();
newImage.Dispose();
initImage.Dispose();
}
}
/// <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>
/// <remarks>汪磊 2012-08-08</remarks>
/// <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
string dir = Path.GetDirectoryName(fileSaveUrl);
if (!Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
}
//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
Rectangle fromR = new Rectangle((initWidth - initHeight) / 2, 0, initHeight, initHeight);
Rectangle toR = new 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
Rectangle fromR = new Rectangle(0, (initHeight - initWidth) / 2, initWidth, initWidth);
Rectangle toR = new 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(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
ImageCodecInfo[] icis = ImageCodecInfo.GetImageEncoders();
ImageCodecInfo ici = null;
foreach (ImageCodecInfo i in icis)
{
if (i.MimeType == "image/jpeg" || i.MimeType == "image/bmp" || i.MimeType == "image/png" || i.MimeType == "image/gif")
{
ici = i;
}
}
EncoderParameters ep = new EncoderParameters(1);
ep.Param[0] = new 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>
/// 生成校验码图片
/// </summary>
/// <param name="code">代码</param>
/// <returns></returns>
public Bitmap CreateImageCode(string code)
{
int fSize = FontSize;
int fWidth = fSize + Padding;
int imageWidth = (int)(code.Length * fWidth) + 4 + Padding * 2;
int imageHeight = fSize * 2 + Padding;
System.Drawing.Bitmap image = new System.Drawing.Bitmap(imageWidth, imageHeight);
Graphics g = Graphics.FromImage(image);
g.Clear(BackgroundColor);
Random rand = new Random();
//给背景添加随机生成的燥点
if (this.Chaos)
{
Pen pen = new Pen(ChaosColor, 0);
int c = Length * 10;
for (int i = 0; i < c; i++)
{
int x = rand.Next(image.Width);
int y = rand.Next(image.Height);
g.DrawRectangle(pen, x, y, 1, 1);
}
}
int left = 0, top = 0, top1 = 1, top2 = 1;
int n1 = (imageHeight - FontSize - Padding * 2);
int n2 = n1 / 4;
top1 = n2;
top2 = n2 * 2;
Font f;
Brush b;
int cindex, findex;
//随机字体和颜色的验证码字符
for (int i = 0; i < code.Length; i++)
{
cindex = rand.Next(Colors.Length - 1);
findex = rand.Next(Fonts.Length - 1);
f = new System.Drawing.Font(Fonts[findex], fSize, System.Drawing.FontStyle.Bold);
b = new System.Drawing.SolidBrush(Colors[cindex]);
if (i % 2 == 1)
{
top = top2;
}
else
{
top = top1;
}
left = i * fWidth;
g.DrawString(code.Substring(i, 1), f, b, left, top);
}
#region 画边框
//画一个边框 边框颜色为Color.Gainsboro
//g.DrawRectangle(new Pen(Color.Gainsboro, 0), 0, 0, image.Width - 1, image.Height - 1);
if (Border)
{
g.DrawRectangle(new Pen(BorderColor, BorderWidth), 0, 0, image.Width - 1, image.Height - 1);
}
#endregion ;
g.Dispose();
return(image);
}
private System.Drawing.Bitmap DrawColorMode(int index)
{
System.Drawing.Rectangle rectangle = new System.Drawing.Rectangle(new System.Drawing.Point(2, 3), new System.Drawing.Size(this.picColorMode.Width - 4, this.picColorMode.Height - 6));
System.Drawing.Bitmap bitmap = new System.Drawing.Bitmap(this.picColorMode.Width, this.picColorMode.Height);
System.Drawing.Graphics graphics = System.Drawing.Graphics.FromImage(bitmap);
graphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.NearestNeighbor;
switch (index)
{
case 0:
graphics.FillRectangle(new System.Drawing.SolidBrush(System.Drawing.Color.Red), new System.Drawing.Rectangle(rectangle.X, rectangle.Y, rectangle.Width, rectangle.Height - 2));
break;
case 1:
graphics.FillRectangle(new System.Drawing.SolidBrush(System.Drawing.Color.Red), new System.Drawing.Rectangle(rectangle.X, rectangle.Y, rectangle.Width / 2, rectangle.Height - 2));
graphics.FillRectangle(new System.Drawing.SolidBrush(System.Drawing.Color.Green), new System.Drawing.Rectangle(rectangle.X + rectangle.Width / 2, rectangle.Y, rectangle.Width / 2, rectangle.Height - 2));
break;
case 2:
graphics.FillRectangle(new System.Drawing.SolidBrush(System.Drawing.Color.Green), new System.Drawing.Rectangle(rectangle.X, rectangle.Y, rectangle.Width / 2, rectangle.Height - 2));
graphics.FillRectangle(new System.Drawing.SolidBrush(System.Drawing.Color.Red), new System.Drawing.Rectangle(rectangle.X + rectangle.Width / 2, rectangle.Y, rectangle.Width / 2, rectangle.Height - 2));
break;
case 3:
graphics.FillRectangle(new System.Drawing.SolidBrush(System.Drawing.Color.Red), new System.Drawing.Rectangle(rectangle.X, rectangle.Y, rectangle.Width / 3, rectangle.Height - 2));
graphics.FillRectangle(new System.Drawing.SolidBrush(System.Drawing.Color.Green), new System.Drawing.Rectangle(rectangle.X + rectangle.Width / 3, rectangle.Y, rectangle.Width / 3, rectangle.Height - 2));
graphics.FillRectangle(new System.Drawing.SolidBrush(System.Drawing.Color.Blue), new System.Drawing.Rectangle(rectangle.X + rectangle.Width * 2 / 3, rectangle.Y, rectangle.Width / 3, rectangle.Height - 2));
break;
case 4:
graphics.FillRectangle(new System.Drawing.SolidBrush(System.Drawing.Color.Red), new System.Drawing.Rectangle(rectangle.X, rectangle.Y, rectangle.Width / 3, rectangle.Height - 2));
graphics.FillRectangle(new System.Drawing.SolidBrush(System.Drawing.Color.Blue), new System.Drawing.Rectangle(rectangle.X + rectangle.Width / 3, rectangle.Y, rectangle.Width / 3, rectangle.Height - 2));
graphics.FillRectangle(new System.Drawing.SolidBrush(System.Drawing.Color.Green), new System.Drawing.Rectangle(rectangle.X + rectangle.Width * 2 / 3, rectangle.Y, rectangle.Width / 3, rectangle.Height - 2));
break;
case 5:
graphics.FillRectangle(new System.Drawing.SolidBrush(System.Drawing.Color.Green), new System.Drawing.Rectangle(rectangle.X, rectangle.Y, rectangle.Width / 3, rectangle.Height - 2));
graphics.FillRectangle(new System.Drawing.SolidBrush(System.Drawing.Color.Red), new System.Drawing.Rectangle(rectangle.X + rectangle.Width / 3, rectangle.Y, rectangle.Width / 3, rectangle.Height - 2));
graphics.FillRectangle(new System.Drawing.SolidBrush(System.Drawing.Color.Blue), new System.Drawing.Rectangle(rectangle.X + rectangle.Width * 2 / 3, rectangle.Y, rectangle.Width / 3, rectangle.Height - 2));
break;
case 6:
graphics.FillRectangle(new System.Drawing.SolidBrush(System.Drawing.Color.Blue), new System.Drawing.Rectangle(rectangle.X, rectangle.Y, rectangle.Width / 3, rectangle.Height - 2));
graphics.FillRectangle(new System.Drawing.SolidBrush(System.Drawing.Color.Red), new System.Drawing.Rectangle(rectangle.X + rectangle.Width / 3, rectangle.Y, rectangle.Width / 3, rectangle.Height - 2));
graphics.FillRectangle(new System.Drawing.SolidBrush(System.Drawing.Color.Green), new System.Drawing.Rectangle(rectangle.X + rectangle.Width * 2 / 3, rectangle.Y, rectangle.Width / 3, rectangle.Height - 2));
break;
case 7:
graphics.FillRectangle(new System.Drawing.SolidBrush(System.Drawing.Color.Green), new System.Drawing.Rectangle(rectangle.X, rectangle.Y, rectangle.Width / 3, rectangle.Height - 2));
graphics.FillRectangle(new System.Drawing.SolidBrush(System.Drawing.Color.Blue), new System.Drawing.Rectangle(rectangle.X + rectangle.Width / 3, rectangle.Y, rectangle.Width / 3, rectangle.Height - 2));
graphics.FillRectangle(new System.Drawing.SolidBrush(System.Drawing.Color.Red), new System.Drawing.Rectangle(rectangle.X + rectangle.Width * 2 / 3, rectangle.Y, rectangle.Width / 3, rectangle.Height - 2));
break;
case 8:
graphics.FillRectangle(new System.Drawing.SolidBrush(System.Drawing.Color.Blue), new System.Drawing.Rectangle(rectangle.X, rectangle.Y, rectangle.Width / 3, rectangle.Height - 2));
graphics.FillRectangle(new System.Drawing.SolidBrush(System.Drawing.Color.Green), new System.Drawing.Rectangle(rectangle.X + rectangle.Width / 3, rectangle.Y, rectangle.Width / 3, rectangle.Height - 2));
graphics.FillRectangle(new System.Drawing.SolidBrush(System.Drawing.Color.Red), new System.Drawing.Rectangle(rectangle.X + rectangle.Width * 2 / 3, rectangle.Y, rectangle.Width / 3, rectangle.Height - 2));
break;
}
graphics.Dispose();
return(bitmap);
}
/// <summary>
/// Open Morphology Filter
/// </summary>
/// <param name="sourceBitmap">Set source Bitmap</param>
/// <param name="matrixSize">Set matrix size</param>
/// <param name="morphType">Set Morph Type</param>
/// <param name="applyBlue">Apply Blue</param>
/// <param name="applyGreen">Apply Green</param>
/// <param name="applyRed">Apply Red</param>
/// <returns></returns>
public static System.Drawing.Bitmap DilateAndErodeFilter(this System.Drawing.Bitmap sourceBitmap,
int matrixSize,
MorphologyType morphType,
bool applyBlue = true,
bool applyGreen = true,
bool applyRed = true)
{
BitmapData sourceData =
sourceBitmap.LockBits(new Rectangle(0, 0,
sourceBitmap.Width, sourceBitmap.Height),
ImageLockMode.ReadOnly,
PixelFormat.Format32bppArgb);
byte[] pixelBuffer = new byte[sourceData.Stride *
sourceData.Height];
byte[] resultBuffer = new byte[sourceData.Stride *
sourceData.Height];
Marshal.Copy(sourceData.Scan0, pixelBuffer, 0,
pixelBuffer.Length);
sourceBitmap.UnlockBits(sourceData);
int filterOffset = (matrixSize - 1) / 2;
int calcOffset = 0;
int byteOffset = 0;
byte blue = 0;
byte green = 0;
byte red = 0;
byte morphResetValue = 0;
if (morphType == MorphologyType.Erosion)
{
morphResetValue = 255;
}
for (int offsetY = filterOffset; offsetY <
sourceBitmap.Height - filterOffset; offsetY++)
{
for (int offsetX = filterOffset; offsetX <
sourceBitmap.Width - filterOffset; offsetX++)
{
byteOffset = offsetY *
sourceData.Stride +
offsetX * 4;
blue = morphResetValue;
green = morphResetValue;
red = morphResetValue;
if (morphType == MorphologyType.Dilation)
{
for (int filterY = -filterOffset;
filterY <= filterOffset; filterY++)
{
for (int filterX = -filterOffset;
filterX <= filterOffset; filterX++)
{
calcOffset = byteOffset +
(filterX * 4) +
(filterY * sourceData.Stride);
if (pixelBuffer[calcOffset] > blue)
{
blue = pixelBuffer[calcOffset];
}
if (pixelBuffer[calcOffset + 1] > green)
{
green = pixelBuffer[calcOffset + 1];
}
if (pixelBuffer[calcOffset + 2] > red)
{
red = pixelBuffer[calcOffset + 2];
}
}
}
}
else if (morphType == MorphologyType.Erosion)
{
for (int filterY = -filterOffset;
filterY <= filterOffset; filterY++)
{
for (int filterX = -filterOffset;
filterX <= filterOffset; filterX++)
{
calcOffset = byteOffset +
(filterX * 4) +
(filterY * sourceData.Stride);
if (pixelBuffer[calcOffset] < blue)
{
blue = pixelBuffer[calcOffset];
}
if (pixelBuffer[calcOffset + 1] < green)
{
green = pixelBuffer[calcOffset + 1];
}
if (pixelBuffer[calcOffset + 2] < red)
{
red = pixelBuffer[calcOffset + 2];
}
}
}
}
if (applyBlue == false)
{
blue = pixelBuffer[byteOffset];
}
if (applyGreen == false)
{
green = pixelBuffer[byteOffset + 1];
}
if (applyRed == false)
{
red = pixelBuffer[byteOffset + 2];
}
resultBuffer[byteOffset] = blue;
resultBuffer[byteOffset + 1] = green;
resultBuffer[byteOffset + 2] = red;
resultBuffer[byteOffset + 3] = 255;
}
}
System.Drawing.Bitmap resultBitmap = new System.Drawing.Bitmap(sourceBitmap.Width,
sourceBitmap.Height);
BitmapData resultData =
resultBitmap.LockBits(new Rectangle(0, 0,
resultBitmap.Width, resultBitmap.Height),
ImageLockMode.WriteOnly,
PixelFormat.Format32bppArgb);
Marshal.Copy(resultBuffer, 0, resultData.Scan0,
resultBuffer.Length);
resultBitmap.UnlockBits(resultData);
return(resultBitmap);
}
/// <summary>
/// Resize the image to the specified width and height.
/// 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="image">The image to resize.</param>
/// <param name="width">The width to resize to.</param>
/// <param name="height">The height to resize to.</param>
/// <returns>The resized image.</returns>
public static System.Drawing.Bitmap CustomImage(System.Drawing.Image initImage, int maxWidth, int maxHeight)
{
//a holder for the result
Bitmap result = new Bitmap(maxWidth, maxHeight);
//set the resolutions the same to avoid cropping due to resolution differences
result.SetResolution(initImage.HorizontalResolution, initImage.VerticalResolution);
//use a graphics object to draw the resized image into the bitmap
using (Graphics graphics = Graphics.FromImage(result))
{
//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
graphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High;
graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
graphics.Clear(Color.White);
graphics.DrawImage(initImage, new System.Drawing.Rectangle(0, 0, maxWidth, maxHeight), new System.Drawing.Rectangle(0, 0, initImage.Width, initImage.Height), System.Drawing.GraphicsUnit.Pixel);
}
//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
Rectangle fromR = new Rectangle(0, 0, 0, 0); //原图裁剪定位
Rectangle toR = new 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)System.Math.Floor(initImage.Width / templateRate));
pickedG = System.Drawing.Graphics.FromImage(pickedImage);
//裁剪源定位
fromR.X = 0;
fromR.Y = (int)System.Math.Floor((initImage.Height - initImage.Width / templateRate) / 2);
fromR.Width = initImage.Width;
fromR.Height = (int)System.Math.Floor(initImage.Width / templateRate);
//裁剪目标定位
toR.X = 0;
toR.Y = 0;
toR.Width = initImage.Width;
toR.Height = (int)System.Math.Floor(initImage.Width / templateRate);
}
//高为标准进行裁剪
else
{
pickedImage = new System.Drawing.Bitmap((int)System.Math.Floor(initImage.Height * templateRate), initImage.Height);
pickedG = System.Drawing.Graphics.FromImage(pickedImage);
fromR.X = (int)System.Math.Floor((initImage.Width - initImage.Height * templateRate) / 2);
fromR.Y = 0;
fromR.Width = (int)System.Math.Floor(initImage.Height * templateRate);
fromR.Height = initImage.Height;
toR.X = 0;
toR.Y = 0;
toR.Width = (int)System.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
graphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High;
graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
graphics.Clear(Color.Transparent);
graphics.DrawImage(pickedImage, new System.Drawing.Rectangle(0, 0, maxWidth, maxHeight), new System.Drawing.Rectangle(0, 0, pickedImage.Width, pickedImage.Height), System.Drawing.GraphicsUnit.Pixel);
//释放资源
pickedImage.Dispose();
pickedG.Dispose();
}
}
//return the resulting bitmap
return(result);
}
/// <summary>
/// draw a bitmap at the given position;
/// the current position is moved
///
/// Either Width or WidthPercentage should be unequals 0, but only one should have a value.
/// Same applies to Height
/// </summary>
public override void DrawBitmap(string APath,
float AXPos,
float AYPos,
float AWidth,
float AHeight,
float AWidthPercentage,
float AHeightPercentage)
{
if (!System.IO.File.Exists(APath))
{
throw new Exception("TGfxPrinter.DrawBitmap: cannot find image file " + APath);
}
Bitmap img;
try
{
img = new System.Drawing.Bitmap(APath);
}
catch (Exception e)
{
TLogging.Log("Problem reading image for printing to PDF: " + APath);
TLogging.Log(e.ToString());
throw new Exception("Problem reading image for printing to PDF: " + APath);
}
float Height = img.Size.Height;
if (AHeightPercentage != 0.0f)
{
Height = Height * AHeightPercentage;
}
else
{
Height = AHeight;
}
float Width = img.Size.Width;
if (AHeightPercentage != 0.0f)
{
Width = Width * AWidthPercentage;
}
else
{
Width = AWidth;
}
// there seem to be too many problems with this on Linux. On Linux, the size of the PDF is quite small anyway
#if DEACTIVATED
if (false && (Width / img.Size.Width * 100 < 80))
{
// we should scale down the picture to make the result pdf smaller
try
{
Bitmap SmallerImg = new Bitmap(Convert.ToInt32(Width), Convert.ToInt32(Height));
using (Graphics g = Graphics.FromImage((Image)SmallerImg))
{
g.DrawImage(img, 0, 0, Convert.ToInt32(Width), Convert.ToInt32(Height));
}
// saving as PNG file because I get GDI+ status: InvalidParameter in Mono/XSP when trying to save to jpg
string ThumbPath = APath.Replace(Path.GetExtension(APath), "thumb.png");
ImageCodecInfo[] codecs = ImageCodecInfo.GetImageDecoders();
ImageCodecInfo jpegCodecInfo = codecs[0];
foreach (ImageCodecInfo codec in codecs)
{
if (codec.FormatID == ImageFormat.Png.Guid)
{
jpegCodecInfo = codec;
}
}
EncoderParameters codecParams = new EncoderParameters(1);
codecParams.Param[0] = new EncoderParameter(Encoder.Quality, 75);
SmallerImg.Save(ThumbPath, jpegCodecInfo, codecParams);
SmallerImg.Dispose();
img.Dispose();
File.Delete(ThumbPath);
img = new System.Drawing.Bitmap(ThumbPath);
}
catch (Exception)
{
}
}
#endif
DrawBitmapInternal(img, AXPos, AYPos, Width, Height);
img.Dispose();
}
/// <summary>
/// Captures a Bitmap from the deviceContext on the specified areaToCopy.
/// </summary>
/// <param name="sourceDeviceContext">The device context to capture the region from.</param>
/// <param name="rectangle">The rectangular bounds of the area to be captured.</param>
/// <returns>A Bitmap representation of the region specified.</returns>
static private Bitmap CaptureBitmap(IntPtr sourceDeviceContext, Rectangle rectangle)
{
//Empty rectangle semantic is undefined.
if (rectangle.IsEmpty)
{
throw new ArgumentOutOfRangeException("rectangle");
}
IntPtr handleDeviceContextSrc = sourceDeviceContext;
IntPtr handleDeviceContextDestination = IntPtr.Zero;
IntPtr handleBmp = IntPtr.Zero;
IntPtr handlePreviousObj = IntPtr.Zero;
System.Drawing.Bitmap bmp = null;
try
{
// Allocate memory for the bitmap
handleBmp = NativeMethods.CreateCompatibleBitmap(handleDeviceContextSrc, rectangle.Width, rectangle.Height);
if (handleBmp == IntPtr.Zero)
{
throw new Win32Exception();
}
// Create destination DC
handleDeviceContextDestination = NativeMethods.CreateCompatibleDC(handleDeviceContextSrc);
if (handleDeviceContextDestination == IntPtr.Zero)
{
throw new Win32Exception();
}
// copy screen to bitmap
handlePreviousObj = NativeMethods.SelectObject(handleDeviceContextDestination, handleBmp);
if (handlePreviousObj == IntPtr.Zero)
{
throw new Win32Exception();
}
// Note : CAPTUREBLT is needed to capture layered windows
bool result = NativeMethods.BitBlt(handleDeviceContextDestination, 0, 0, rectangle.Width, rectangle.Height, handleDeviceContextSrc, rectangle.Left, rectangle.Top, (Int32)(RasterOperationCodeEnum.SRCCOPY | RasterOperationCodeEnum.CAPTUREBLT));
if (result == false)
{
throw new Win32Exception();
}
//Convert Win32 Handle to Bitmap to a Winforms Bitmap
bmp = Bitmap.FromHbitmap(handleBmp);
}
// Do Unmanaged cleanup
finally
{
if (handlePreviousObj != IntPtr.Zero)
{
NativeMethods.SelectObject(handleDeviceContextDestination, handlePreviousObj);
handlePreviousObj = IntPtr.Zero;
}
if (handleDeviceContextDestination != IntPtr.Zero)
{
NativeMethods.DeleteDC(handleDeviceContextDestination);
handleDeviceContextDestination = IntPtr.Zero;
}
if (handleBmp != IntPtr.Zero)
{
NativeMethods.DeleteObject(handleBmp);
handleBmp = IntPtr.Zero;
}
}
return(bmp);
}
public static string Create(string src, int? width, int? height)
{
var sourcePath = HttpContext.Current.Server.MapPath(src);
if (string.IsNullOrEmpty(sourcePath) || !File.Exists(sourcePath))
{
return string.Empty;
}
using (var srcBitmap = new Bitmap(sourcePath))
{
var w = width.HasValue ? width.Value : srcBitmap.Width;
var h = height.HasValue ? height.Value : srcBitmap.Height;
var imagePath = generatePath(sourcePath, w, h);
var mappedImagePath = HttpContext.Current.Server.MapPath(imagePath);
if (File.Exists(mappedImagePath))
{
return imagePath;
}
using (var destBitmap = new Bitmap(srcBitmap, new Size(w, h)))
{
destBitmap.Save(mappedImagePath);
return imagePath;
}
}
}
