| public SetRemapTable ( System.Drawing.Imaging.ColorMap map ) : void | ||
| map | System.Drawing.Imaging.ColorMap | |
| return | void | |
internal static void RenderAlphaImage(Graphics g, Image image, Rectangle imageRect, float alpha)
{
using (ImageAttributes imageAttributes = new ImageAttributes())
{
ColorMap colorMap = new ColorMap();
colorMap.OldColor = Color.FromArgb(0xff, 0, 0xff, 0);
colorMap.NewColor = Color.FromArgb(0, 0, 0, 0);
ColorMap[] remapTable = new ColorMap[] { colorMap };
imageAttributes.SetRemapTable(remapTable, ColorAdjustType.Bitmap);
float[][] CS_0_0001 = new float[5][];
float[] CS_0_0002 = new float[5];
CS_0_0002[0] = 1f;
CS_0_0001[0] = CS_0_0002;
float[] CS_0_0003 = new float[5];
CS_0_0003[1] = 1f;
CS_0_0001[1] = CS_0_0003;
float[] CS_0_0004 = new float[5];
CS_0_0004[2] = 1f;
CS_0_0001[2] = CS_0_0004;
float[] CS_0_0005 = new float[5];
CS_0_0005[3] = alpha;
CS_0_0001[3] = CS_0_0005;
float[] CS_0_0006 = new float[5];
CS_0_0006[4] = 1f;
CS_0_0001[4] = CS_0_0006;
float[][] colorMatrixElements = CS_0_0001;
ColorMatrix wmColorMatrix = new ColorMatrix(colorMatrixElements);
imageAttributes.SetColorMatrix(wmColorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
g.DrawImage(image, imageRect, 0, 0, image.Width, image.Height, GraphicsUnit.Pixel, imageAttributes);
}
}
public static void ConvertImage(Bitmap image, Graphics g, Color ForeColor, Color BackColor, bool isActive)
{
using (ImageAttributes imageAttributes = new ImageAttributes())
{
ColorMap[] colorMap = new ColorMap[2];
colorMap[0] = new ColorMap();
colorMap[0].OldColor = Color.FromArgb(0, 0, 0);
colorMap[0].NewColor = ForeColor;
colorMap[1] = new ColorMap();
colorMap[1].OldColor = image.GetPixel(0, 0);
colorMap[1].NewColor = isActive ? BackColor : Color.Transparent;
imageAttributes.SetRemapTable(colorMap);
g.DrawImage(
image,
new Rectangle(0, 0, image.Width, image.Height),
0, 0,
image.Width,
image.Height,
GraphicsUnit.Pixel,
imageAttributes);
}
}
/// <summary>
/// Will draw the image, replacing oldColor with the foreColor.
/// And also replacing the color at [0,0] to be the default transparent color.
/// Usefull for operations with system BMP images.
/// </summary>
public static void DrawImageColorMapped(Graphics g, Bitmap image, Rectangle rectangle, Color oldColor, Color foreColor)
{
ColorMap[] colorMap = new ColorMap[2];
colorMap[0] = new ColorMap();
colorMap[0].OldColor = oldColor;
colorMap[0].NewColor = foreColor;
colorMap[1] = new ColorMap();
colorMap[1].OldColor = image.GetPixel(0, 0);
colorMap[1].NewColor = Color.Transparent;
using (ImageAttributes imageAttributes = new ImageAttributes())
{
imageAttributes.SetRemapTable(colorMap);
g.DrawImage(
image,
//new Rectangle(0, 0, image.Width, image.Height),
rectangle,
0, 0,
image.Width,
image.Height,
GraphicsUnit.Pixel,
imageAttributes);
}
}
protected override void OnPaint(PaintEventArgs e)
{
if (IsMouseOver && Enabled)
{
using (Pen pen = new Pen(ForeColor))
{
e.Graphics.DrawRectangle(pen, Rectangle.Inflate(ClientRectangle, -1, -1));
}
}
using (ImageAttributes imageAttributes = new ImageAttributes())
{
ColorMap[] colorMap = new ColorMap[2];
colorMap[0] = new ColorMap();
colorMap[0].OldColor = Color.FromArgb(0, 0, 0);
colorMap[0].NewColor = ForeColor;
colorMap[1] = new ColorMap();
colorMap[1].OldColor = Image.GetPixel(0, 0);
colorMap[1].NewColor = Color.Transparent;
imageAttributes.SetRemapTable(colorMap);
e.Graphics.DrawImage(
Image,
new Rectangle(0, 0, Image.Width, Image.Height),
0, 0,
Image.Width,
Image.Height,
GraphicsUnit.Pixel,
imageAttributes);
}
base.OnPaint(e);
}
public override void PaintValue(PaintValueEventArgs e)
{
if (!(e.Context.Instance is KrbTabControl)) return;
var parent = (KrbTabControl)e.Context.Instance;
var caption = (ButtonsCaption)e.Value;
using (var brush = new LinearGradientBrush(e.Bounds, parent.GradientCaption.InactiveCaptionColorStart, parent.GradientCaption.InactiveCaptionColorEnd, parent.GradientCaption.CaptionGradientStyle))
{
var bl = new Blend(2) { Factors = new[] { 0.1F, 1.0F }, Positions = new[] { 0.0F, 1.0F } };
brush.Blend = bl;
e.Graphics.FillRectangle(brush, e.Bounds);
Image captionDropDown = Resources.DropDown;
using (var attributes = new ImageAttributes())
{
var map = new[]
{
new ColorMap {OldColor = Color.White, NewColor = Color.Transparent},
new ColorMap {OldColor = Color.Black, NewColor = caption.InactiveCaptionButtonsColor}
};
attributes.SetRemapTable(map);
var rect = e.Bounds;
rect.Inflate(-3, 0);
e.Graphics.DrawImage(captionDropDown, rect, 0, 0, captionDropDown.Width, captionDropDown.Height, GraphicsUnit.Pixel, attributes);
}
}
}
internal static void RenderAlphaImage(Graphics g, Image image, Rectangle imageRect, float alpha)
{
using (ImageAttributes attributes = new ImageAttributes())
{
ColorMap map = new ColorMap {
OldColor = Color.FromArgb(0xff, 0, 0xff, 0),
NewColor = Color.FromArgb(0, 0, 0, 0)
};
ColorMap[] mapArray = new ColorMap[] { map };
attributes.SetRemapTable(mapArray, ColorAdjustType.Bitmap);
float[][] numArray2 = new float[5][];
float[] numArray3 = new float[5];
numArray3[0] = 1f;
numArray2[0] = numArray3;
float[] numArray4 = new float[5];
numArray4[1] = 1f;
numArray2[1] = numArray4;
float[] numArray5 = new float[5];
numArray5[2] = 1f;
numArray2[2] = numArray5;
float[] numArray6 = new float[5];
numArray6[3] = alpha;
numArray2[3] = numArray6;
float[] numArray7 = new float[5];
numArray7[4] = 1f;
numArray2[4] = numArray7;
float[][] newColorMatrix = numArray2;
ColorMatrix matrix = new ColorMatrix(newColorMatrix);
attributes.SetColorMatrix(matrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
g.DrawImage(image, imageRect, 0, 0, image.Width, image.Height, GraphicsUnit.Pixel, attributes);
}
}
protected override void WndProc(ref Message m)
{
switch (m.Msg)
{
case LpsWindowsApiDefine.WM_PAINT:
Bitmap bmpCaptured =
new Bitmap(this.ClientRectangle.Width, this.ClientRectangle.Height);
Bitmap bmpResult =
new Bitmap(this.ClientRectangle.Width, this.ClientRectangle.Height);
Rectangle r =
new Rectangle(0, 0, this.ClientRectangle.Width,
this.ClientRectangle.Height);
CaptureWindow(this, ref bmpCaptured);
this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);
this.BackColor = Color.Transparent;
ImageAttributes imgAttrib = new ImageAttributes();
ColorMap[] colorMap = new ColorMap[1];
colorMap[0] = new ColorMap();
colorMap[0].OldColor = Color.White;
colorMap[0].NewColor = Color.Transparent;
imgAttrib.SetRemapTable(colorMap);
Graphics g = Graphics.FromImage(bmpResult);
g.DrawImage(bmpCaptured, r, 0, 0, this.ClientRectangle.Width,
this.ClientRectangle.Height, GraphicsUnit.Pixel, imgAttrib);
g.Dispose();
pictureBox.Image = (Image)bmpResult.Clone();
break;
case LpsWindowsApiDefine.WM_HSCROLL:
case LpsWindowsApiDefine.WM_VSCROLL:
this.Invalidate(); // repaint
// if you use scrolling then add these two case statements
break;
}
//switch (m.WParam.ToInt32())
//{
// case WindowsApiDefine.WM_LBUTTONDOWN:
// p = new Point(Cursor.Position.X, Cursor.Position.Y);
// break;
//}
base.WndProc(ref m);
}
public void Show()
{
if (!isInit) {
isInit = true;
using (Bitmap newBmp = new Bitmap(16, 16)) {
Graphics g = Graphics.FromImage(newBmp);
ColorMap[] colorMap = new ColorMap[1];
colorMap[0] = new ColorMap();
colorMap[0].OldColor = Color.Fuchsia;
colorMap[0].NewColor = Color.FromKnownColor(KnownColor.ButtonFace);
ImageAttributes attr = new ImageAttributes();
attr.SetRemapTable(colorMap);
g.DrawImage(tbBmp_tbTab, new Rectangle(0, 0, 16, 16), 0, 0, 16, 16, GraphicsUnit.Pixel, attr);
tbIcon = Icon.FromHandle(newBmp.GetHicon());
}
NppTbData _nppTbData = new NppTbData();
_nppTbData.hClient = this.Handle;
_nppTbData.pszName = this.FormName();
_nppTbData.dlgID = id;
_nppTbData.uMask = FormMask;
_nppTbData.hIconTab = (uint)tbIcon.Handle;
_nppTbData.pszModuleName = UnmanagedExports.main.PluginName();
IntPtr _ptrNppTbData = Marshal.AllocHGlobal(Marshal.SizeOf(_nppTbData));
Marshal.StructureToPtr(_nppTbData, _ptrNppTbData, false);
Win32.SendMessage(PluginBase.nppData._nppHandle, NppMsg.NPPM_DMMREGASDCKDLG, 0, _ptrNppTbData);
} else {
Win32.SendMessage(PluginBase.nppData._nppHandle, NppMsg.NPPM_DMMSHOW, 0, this.Handle);
}
}
public override void draw(List<Cluster> clusters)
{
//I added this to subtract from the X, Y coord
//to center the heat map.
float radius = this._grid.cell_width / 2;
if (this.surface == null)
this.clear();
surface.TranslateTransform(-this.grid.location.X, -this.grid.location.Y);
PointF pasdf = this._grid.scale_to_screen_coords(new Location(1, 1));
ImageAttributes remapper = new ImageAttributes();
remapper.SetRemapTable(ColorHeatMapClusterRenderer.color_map);
HeatMapClusterRenderer hm = new HeatMapClusterRenderer(this.surface, this._grid);
hm.draw(clusters);
Rectangle dest_rectangle = new Rectangle(this.grid.location, this.grid.size);
dest_rectangle.Width += this.grid.location.X * 2;
dest_rectangle.Height += this.grid.location.Y * 2;
for (int i = 0; i < 12; ++i)
this.g.DrawImage(output, dest_rectangle, 0, 0, output.Width, output.Height, GraphicsUnit.Pixel, remapper);
}
public static Bitmap Threshold(Bitmap original)
{
int width = original.Width;
int height = original.Height;
Bitmap bmp = new Bitmap(width, height);
using (Graphics g = Graphics.FromImage(bmp))
{
ImageAttributes threshold = new ImageAttributes();
threshold.SetThreshold(0.92f);
//attributes.SetThreshold(0.08f);
g.DrawImage(original, new Rectangle(0, 0, width, height),
0, 0, width, height, GraphicsUnit.Pixel, threshold);
ImageAttributes invert = new ImageAttributes();
ColorMap[] map = new ColorMap[2];
map[0] = new ColorMap();
map[0].OldColor = Color.Black;
map[0].NewColor = Color.White;
map[1] = new ColorMap();
map[1].OldColor = Color.White;
map[1].NewColor = Color.Black;
invert.SetRemapTable(map);
g.DrawImage(bmp, new Rectangle(0, 0, width, height),
0, 0, width, height, GraphicsUnit.Pixel, invert);
}
return bmp;
}
public static Bitmap Colorize(Bitmap Mask, byte Alpha)
{
// Create new bitmap to act as a work surface for the colorization process
Bitmap Output = new Bitmap(Mask.Width, Mask.Height, PixelFormat.Format32bppArgb);
// Create a graphics object from our memory bitmap so we can draw on it and clear it's drawing surface
using (Graphics Surface = Graphics.FromImage(Output))
{
Surface.Clear(Color.Transparent);
// Build an array of color mappings to remap our greyscale mask to full color
// Accept an alpha byte to specify the transparancy of the output image
ColorMap[] Colors = CreatePaletteIndex(Alpha);
// Create new image attributes class to handle the color remappings
// Inject our color map array to instruct the image attributes class how to do the colorization
ImageAttributes Remapper = new ImageAttributes();
Remapper.SetRemapTable(Colors);
// Draw our mask onto our memory bitmap work surface using the new color mapping scheme
Surface.DrawImage(Mask, new Rectangle(0, 0, Mask.Width, Mask.Height), 0, 0, Mask.Width, Mask.Height, GraphicsUnit.Pixel, Remapper);
}
// Send back newly colorized memory bitmap
return Output;
}
//*********************************************************
//
/// <summary>
/// Control ctor
/// </summary>
//
//*********************************************************
public LostPiecesControl() {
InitializeComponent();
m_colorMapWhite = new ColorMap();
m_colorMapWhite.OldColor = System.Drawing.Color.FromArgb(255, 255, 0, 0);
m_colorMapWhite.NewColor = System.Drawing.Color.FromArgb(255, System.Drawing.Color.White);
m_colorMapTblWhite = new ColorMap[] { m_colorMapWhite };
m_imgAttrWhite = new ImageAttributes();
m_bDesignMode = false;
m_imgAttrWhite.SetRemapTable(m_colorMapTblWhite);
}
/// <summary>
/// 添加图片水印
/// </summary>
/// <param name="path">原图片绝对地址</param>
/// <param name="suiyi">水印文件</param>
/// <param name="pos">水印位置</param>
private static byte[] addWaterMark(Image image, string suiyi, WaterPositionMode pos)
{
try
{
Bitmap b = new Bitmap(image.Width, image.Height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
Graphics g = Graphics.FromImage(b);
g.Clear(Color.White);
g.DrawImage(image, 0, 0, image.Width, image.Height);
System.Drawing.Image watermark = new Bitmap(suiyi);
System.Drawing.Imaging.ImageAttributes imageAttributes = new System.Drawing.Imaging.ImageAttributes();
System.Drawing.Imaging.ColorMap colorMap = new System.Drawing.Imaging.ColorMap();
colorMap.OldColor = Color.FromArgb(255, 0, 255, 0);
colorMap.NewColor = Color.FromArgb(0, 0, 0, 0);
System.Drawing.Imaging.ColorMap[] remapTable = { colorMap };
imageAttributes.SetRemapTable(remapTable, System.Drawing.Imaging.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, 1.0f, 0.0f },//设置透明度
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;
Point position = SetMarkPoint(pos, watermark, image);
xpos = position.X; // ((image.Width - watermark.Width) - 50);//水印位置
ypos = position.Y; //image.Height - watermark.Height - 50;//水印位置
g.DrawImage(watermark, new Rectangle(xpos, ypos, watermark.Width, watermark.Height), 0, 0, watermark.Width, watermark.Height, GraphicsUnit.Pixel, imageAttributes);
watermark.Dispose();
imageAttributes.Dispose();
MemoryStream ms = new MemoryStream();
b.Save(ms, ImageFormat.Bmp);
byte[] byteImage = ms.ToArray();
b.Dispose();
image.Dispose();
g.Dispose();
return(byteImage);
}
catch (Exception ex)
{
MemoryStream ms = new MemoryStream();
image.Save(ms, ImageFormat.Bmp);
return(ms.ToArray());
}
}
/*
internal static void myMenuFunction()
{
MessageBox.Show("Hello N++!");
}
* */
internal static void myDockableDialog()
{
if (frmMyDlg == null)
{
frmMyDlg = new frmMyDlg();
using (Bitmap newBmp = new Bitmap(16, 16))
{
Graphics g = Graphics.FromImage(newBmp);
ColorMap[] colorMap = new ColorMap[1];
colorMap[0] = new ColorMap();
colorMap[0].OldColor = Color.Fuchsia;
colorMap[0].NewColor = Color.FromKnownColor(KnownColor.ButtonFace);
ImageAttributes attr = new ImageAttributes();
attr.SetRemapTable(colorMap);
g.DrawImage(tbBmp_tbTab, new Rectangle(0, 0, 16, 16), 0, 0, 16, 16, GraphicsUnit.Pixel, attr);
tbIcon = Icon.FromHandle(newBmp.GetHicon());
}
NppTbData _nppTbData = new NppTbData();
_nppTbData.hClient = frmMyDlg.Handle;
_nppTbData.pszName = "Linq2Lines query";
_nppTbData.dlgID = idMyDlg;
_nppTbData.uMask = NppTbMsg.DWS_DF_CONT_BOTTOM | NppTbMsg.DWS_ICONTAB | NppTbMsg.DWS_ICONBAR;
_nppTbData.hIconTab = (uint)tbIcon.Handle;
_nppTbData.pszModuleName = PluginName;
IntPtr _ptrNppTbData = Marshal.AllocHGlobal(Marshal.SizeOf(_nppTbData));
Marshal.StructureToPtr(_nppTbData, _ptrNppTbData, false);
Win32.SendMessage(PluginBase.nppData._nppHandle, NppMsg.NPPM_DMMREGASDCKDLG, 0, _ptrNppTbData);
// init config
if (xmlConfig != null)
{
try
{
frmMyDlg.QueryText = xmlConfig.Element("query").Value;
frmMyDlg.HelpersText = xmlConfig.Element("helpers").Value;
}
catch (Exception ex)
{
MessageBox.Show("Linq2Lines error: " + ex.Message);
}
}
}
else
{
Win32.SendMessage(PluginBase.nppData._nppHandle, NppMsg.NPPM_DMMSHOW, 0, frmMyDlg.Handle);
}
}
/// <summary>
/// 添加图片水印
/// </summary>
/// <param name="path">原图片绝对地址</param>
/// <param name="suiyi">水印文件</param>
public void addWaterMark(string oldfile, string newfile, string suiyi)
{
System.Drawing.Image image = System.Drawing.Image.FromFile(oldfile);
Bitmap b = new Bitmap(image.Width, image.Height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
Graphics g = Graphics.FromImage(b);
g.Clear(Color.White);
g.DrawImage(image, 0, 0, image.Width, image.Height);
System.Drawing.Image watermark = new Bitmap(suiyi);
System.Drawing.Imaging.ImageAttributes imageAttributes = new System.Drawing.Imaging.ImageAttributes();
System.Drawing.Imaging.ColorMap colorMap = new System.Drawing.Imaging.ColorMap();
colorMap.OldColor = Color.FromArgb(255, 0, 255, 0);
colorMap.NewColor = Color.FromArgb(0, 0, 0, 0);
System.Drawing.Imaging.ColorMap[] remapTable = { colorMap };
imageAttributes.SetRemapTable(remapTable, System.Drawing.Imaging.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, 1.0f, 0.0f },//设置透明度0.3f
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;
xpos = (image.Width - watermark.Width) / 2; //水印位置
ypos = (image.Height - watermark.Height) / 2; //水印位置
g.DrawImage(watermark, new Rectangle(xpos, ypos, watermark.Width, watermark.Height), 0, 0, watermark.Width, watermark.Height, GraphicsUnit.Pixel, imageAttributes);
watermark.Dispose();
imageAttributes.Dispose();
b.Save(newfile);
b.Dispose();
image.Dispose();
if (File.Exists(oldfile))//删除原始文件
{
File.Delete(oldfile);
}
}
private static void RemapColor(Bitmap image, Color oldColor, Color newColor)
{
var graphics = Graphics.FromImage(image);
var imageAttributes = new ImageAttributes();
var colorMap = new ColorMap();
colorMap.OldColor = oldColor;
colorMap.NewColor = newColor;
ColorMap[] remapTable = { colorMap };
imageAttributes.SetRemapTable(remapTable, ColorAdjustType.Bitmap);
graphics.DrawImage(image, new Rectangle(0, 0, image.Width, image.Height),
0, 0, image.Width, image.Height,
GraphicsUnit.Pixel, imageAttributes);
graphics.Dispose();
}
//public static byte[] ToByteArray2(this Image myImage)
//{
// int width = myImage.Width;
// int height = myImage.Height;
// System.Windows.Media.PixelFormat format = System.Windows.Media.PixelFormats.Bgr32;
// byte[] pixels = new byte[width * height * ((format.BitsPerPixel + 7) / 8)];
// Bitmap bitm = new Bitmap(myImage);
// //bitm.LockBits();
// //bitm.UnlockBits();
// //int stride = width * format.BitsPerPixel / 8;
// return pixels;
//}
//int height = frame.FrameDescription.Height;
//public static List<System.Drawing.Color> ToColorList_Slow(this Image image)
//{
// List<int> raw = new List<int>();
// Bitmap img = new Bitmap(image);
// List<System.Drawing.Color> pixels = new List<System.Drawing.Color>();
// for (int y = 0; y < img.Height; y++)
// {
// for (int x = 0; x < img.Width; ++x)
// pixels.Add(img.GetPixel(x, y));
// }
// return pixels;
//}
//public static List<System.Drawing.Color> ToColorList(this Image image) //Bitmap original
//{
// List<System.Drawing.Color> pixels = new List<System.Drawing.Color>();
// unsafe
// {
// //create an empty bitmap the same size as original
// Bitmap newBitmap = new Bitmap(image);
// //lock the original bitmap in memory
// System.Drawing.Imaging.BitmapData bitmapData = newBitmap.LockBits(new Rectangle(0, 0, newBitmap.Width, newBitmap.Height),
// System.Drawing.Imaging.ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
// ////lock the new bitmap in memory
// //System.Drawing.Imaging.BitmapData newData = newBitmap.LockBits(new Rectangle(0, 0, newBitmap.Width, newBitmap.Height),
// // System.Drawing.Imaging.ImageLockMode.WriteOnly, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
// //set the number of bytes per pixel
// int pixelSize = 3;
// for (int y = 0; y < image.Height; y++)
// {
// //get the data from the original image
// byte* oRow = (byte*)bitmapData.Scan0 + (y * bitmapData.Stride);
// //get the data from the new image
// byte* nRow = (byte*)bitmapData.Scan0 + (y * bitmapData.Stride);
// for (int x = 0; x < newBitmap.Width; x++)
// {
// //create the grayscale version
// byte r = (byte)(oRow[x * pixelSize]);
// byte g = (byte)(oRow[x * pixelSize + 1]);
// byte b = (byte)(oRow[x * pixelSize + 2]);
// System.Drawing.Color color = System.Drawing.Color.FromArgb(r, g, b);
// pixels.Add(color);
// }
// }
// //unlock the bitmaps
// newBitmap.UnlockBits(bitmapData);
// return pixels;
// }
//}
public static void OverwriteImageRegion(this Image image, Image destinationImage, System.Drawing.Rectangle myRect)
{
System.Drawing.Image newImage = (System.Drawing.Image)image.Clone();
System.Drawing.Graphics g1 = System.Drawing.Graphics.FromImage(newImage);
// Create a color map.
System.Drawing.Imaging.ColorMap colorMap = new System.Drawing.Imaging.ColorMap();
System.Drawing.Imaging.ColorMap[] colorMapArray = new System.Drawing.Imaging.ColorMap[1];
colorMapArray[0].OldColor = System.Drawing.Color.Red;
colorMapArray[0].NewColor = System.Drawing.Color.Beige;
//= new System.Drawing.Imaging.ColorMap() {colorMap};
//Create an ImageAttributes object, and then pass the transformerobject to the SetRemapTable method.
System.Drawing.Imaging.ImageAttributes imageAttr = new System.Drawing.Imaging.ImageAttributes();
imageAttr.SetRemapTable(colorMapArray);
g1.DrawImage(newImage, new System.Drawing.Rectangle(0, 0, newImage.Width, newImage.Height), 0, 0, newImage.Width, newImage.Height, System.Drawing.GraphicsUnit.Pixel, imageAttr);
}
static private Bitmap watermark(string path)
{
string suiyi = ConfigurationManager.AppSettings["Watermark"];
if (suiyi == null)
{
return(null);
}
System.Drawing.Image image = System.Drawing.Image.FromFile(path);
Bitmap b = new Bitmap(image.Width, image.Height);
Graphics g = Graphics.FromImage(b);
g.Clear(Color.Transparent);
g.DrawImage(image, 0, 0, image.Width, image.Height);
System.Drawing.Image watermark = new Bitmap(suiyi);
System.Drawing.Imaging.ImageAttributes imageAttributes = new System.Drawing.Imaging.ImageAttributes();
System.Drawing.Imaging.ColorMap colorMap = new System.Drawing.Imaging.ColorMap();
colorMap.OldColor = Color.FromArgb(255, 0, 255, 0);
colorMap.NewColor = Color.FromArgb(0, 0, 0, 0);
System.Drawing.Imaging.ColorMap[] remapTable = { colorMap };
imageAttributes.SetRemapTable(remapTable, System.Drawing.Imaging.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, 0.2f, 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;
xpos = ((image.Width - watermark.Width) - 0);
ypos = image.Height - watermark.Height - 0;
g.DrawImage(watermark, new Rectangle(xpos, ypos, watermark.Width, watermark.Height), 0, 0, watermark.Width, watermark.Height, GraphicsUnit.Pixel, imageAttributes);
watermark.Dispose();
imageAttributes.Dispose();
return(b);
}
public static ImageAttributes GetTransparencyAttributes(float value)
{
ImageAttributes imageAttributes = 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 };
imageAttributes.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, value, 0.0f},
new float[] {0.0f, 0.0f, 0.0f, 0.0f, 1.0f}
};
ColorMatrix wmColorMatrix = new ColorMatrix(colorMatrixElements);
imageAttributes.SetColorMatrix(wmColorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
return imageAttributes;
}
internal static void myDockableDialog()
{
if (frmMyDlg == null)
{
frmMyDlg = new ClipboardForm();
using (Bitmap newBmp = new Bitmap(16, 16))
{
Graphics g = Graphics.FromImage(newBmp);
ColorMap[] colorMap = new ColorMap[1];
colorMap[0] = new ColorMap();
colorMap[0].OldColor = Color.Fuchsia;
colorMap[0].NewColor = Color.FromKnownColor(KnownColor.ButtonFace);
ImageAttributes attr = new ImageAttributes();
attr.SetRemapTable(colorMap);
g.DrawImage(tbBmp_tbTab, new Rectangle(0, 0, 16, 16), 0, 0, 16, 16, GraphicsUnit.Pixel, attr);
tbIcon = Icon.FromHandle(newBmp.GetHicon());
}
NppTbData _nppTbData = new NppTbData();
_nppTbData.hClient = frmMyDlg.Handle;
_nppTbData.pszName = "Clipboard Helper";
_nppTbData.dlgID = idMyDlg;
_nppTbData.uMask = NppTbMsg.DWS_DF_CONT_RIGHT | NppTbMsg.DWS_ICONTAB | NppTbMsg.DWS_ICONBAR;
_nppTbData.hIconTab = (uint)tbIcon.Handle;
_nppTbData.pszModuleName = PluginName;
IntPtr _ptrNppTbData = Marshal.AllocHGlobal(Marshal.SizeOf(_nppTbData));
Marshal.StructureToPtr(_nppTbData, _ptrNppTbData, false);
Win32.SendMessage(PluginBase.nppData._nppHandle, NppMsg.NPPM_DMMREGASDCKDLG, 0, _ptrNppTbData);
isDialogVisible = true;
}
else
{
Win32.SendMessage(PluginBase.nppData._nppHandle, isDialogVisible ? NppMsg.NPPM_DMMHIDE : NppMsg.NPPM_DMMSHOW, 0, frmMyDlg.Handle);
isDialogVisible = !isDialogVisible;
}
frmMyDlg.SetItems(repository.Get());
}
internal static void RenderAlphaImage(
Graphics g,
Image image,
Rectangle imageRect,
float alpha)
{
using (ImageAttributes imageAttributes = 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 };
imageAttributes.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, alpha, 0.0f},
new float[] {0.0f, 0.0f, 0.0f, 0.0f, 1.0f}};
ColorMatrix wmColorMatrix = new ColorMatrix(colorMatrixElements);
imageAttributes.SetColorMatrix(
wmColorMatrix,
ColorMatrixFlag.Default,
ColorAdjustType.Bitmap);
g.DrawImage(
image,
imageRect,
0,
0,
image.Width,
image.Height,
GraphicsUnit.Pixel,
imageAttributes);
}
}
public void addStamp(Graphics graphics, String stampImagePath)
{
Image image2 = Image.FromFile(stampImagePath);
//graphics.Clear(Color.Black);
ImageAttributes imageAttributes = 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 };
imageAttributes.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, 0.3f, 0.0f},
new float[] {0.0f, 0.0f, 0.0f, 0.0f, 1.0f}
};
ColorMatrix colorMatrix = new ColorMatrix(colorMatrixElements);
imageAttributes.SetColorMatrix(colorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
Point stampPoint = new Point(30, 20);
//Add stamp on top
graphics.DrawImage(image2, stampPoint);
//Add stamp as watermark
//graphics.DrawImage(image2, new Rectangle(30, 20, image2.Width, image2.Height), 0, 0, image2.Width, image2.Height, GraphicsUnit.Pixel, imageAttributes);
//graphics.DrawImage(image2, new Point(0, image1.Height - image2.Height));
graphics.Dispose();
image2.Dispose();
}
protected override void OnPaint (PaintEventArgs e) {
base.OnPaint(e);
if(color != null) {
// replace transparent color with selected color
Graphics g = e.Graphics;
//Graphics g = Graphics.FromImage(Image);
ColorMap[] colorMap = new ColorMap[1];
colorMap[0] = new ColorMap();
colorMap[0].OldColor = Color.Magenta;//this.ImageTransparentColor;
colorMap[0].NewColor = color;
ImageAttributes attr = new ImageAttributes();
attr.SetRemapTable(colorMap);
Rectangle rect = new Rectangle(0, 0, Image.Width, Image.Height);
// todo find a way to retrieve transparency offset automatically
// for now, we use the public variable Offset to define this manually
rect.Offset(Offset.X,Offset.Y);
//Image.
Debug.WriteLine("paint!"+this.Text+": "+color);
//ssif(color.Equals(Color.Transparent)) ((Bitmap)Image).MakeTransparent(Color.Magenta);
g.DrawImage(Image, rect, 0, 0, rect.Width, rect.Height, GraphicsUnit.Pixel, attr);
//this.Image.In
}
}
/// <summary>
/// 图片等比缩放
/// </summary>
/// <remarks>吴剑 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();
}
}
internal static void DrawImageReplaceColor(Graphics g, Image image, Rectangle dest, Color oldColor, Color newColor)
{
ImageAttributes imageAttrs = new ImageAttributes();
ColorMap map = new ColorMap {
OldColor = oldColor,
NewColor = newColor
};
imageAttrs.SetRemapTable(new ColorMap[] { map }, ColorAdjustType.Bitmap);
g.DrawImage(image, dest, 0, 0, image.Width, image.Height, GraphicsUnit.Pixel, imageAttrs, null, IntPtr.Zero);
imageAttrs.Dispose();
}
private static void DrawFrameControl(Graphics graphics, int x, int y, int width, int height, int kind, int state, Color foreColor, Color backColor)
{
if (graphics == null)
{
throw new ArgumentNullException("graphics");
}
if (width < 0)
{
throw new ArgumentOutOfRangeException("width");
}
if (height < 0)
{
throw new ArgumentOutOfRangeException("height");
}
System.Windows.Forms.NativeMethods.RECT rect = System.Windows.Forms.NativeMethods.RECT.FromXYWH(0, 0, width, height);
using (Bitmap bitmap = new Bitmap(width, height))
{
using (Graphics graphics2 = Graphics.FromImage(bitmap))
{
graphics2.Clear(Color.Transparent);
using (WindowsGraphics graphics3 = WindowsGraphics.FromGraphics(graphics2))
{
System.Windows.Forms.SafeNativeMethods.DrawFrameControl(new HandleRef(graphics3, graphics3.DeviceContext.Hdc), ref rect, kind, state);
}
if ((foreColor == Color.Empty) || (backColor == Color.Empty))
{
graphics.DrawImage(bitmap, x, y);
}
else
{
ImageAttributes imageAttrs = new ImageAttributes();
ColorMap map = new ColorMap {
OldColor = Color.Black,
NewColor = foreColor
};
ColorMap map2 = new ColorMap {
OldColor = Color.White,
NewColor = backColor
};
imageAttrs.SetRemapTable(new ColorMap[] { map, map2 }, ColorAdjustType.Bitmap);
graphics.DrawImage(bitmap, new Rectangle(x, y, width, height), 0, 0, width, height, GraphicsUnit.Pixel, imageAttrs, null, IntPtr.Zero);
}
}
}
}
/// <summary>
/// 图片水印
/// </summary>
/// <param name="imgPath">服务器图片相对路径</param>
/// <param name="filename">保存文件名</param>
/// <param name="watermarkFilename">水印文件相对路径</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">附加水印图片质量,0-100</param>
/// <param name="watermarkTransparency">水印的透明度 1--10 10为不透明</param>
public static void AddImageSignPic(string imgPath, string filename, string watermarkFilename, int watermarkStatus, int quality, int watermarkTransparency)
{
if(!File.Exists(Utils.GetMapPath(imgPath)))
return;
byte[] _ImageBytes = File.ReadAllBytes(Utils.GetMapPath(imgPath));
Image img = Image.FromStream(new System.IO.MemoryStream(_ImageBytes));
filename = Utils.GetMapPath(filename);
if (watermarkFilename.StartsWith("/") == false)
watermarkFilename = "/" + watermarkFilename;
watermarkFilename = Utils.GetMapPath(watermarkFilename);
if (!File.Exists(watermarkFilename))
return;
Graphics g = 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;
Image watermark = new Bitmap(watermarkFilename);
if (watermark.Height >= img.Height || watermark.Width >= img.Width)
return;
ImageAttributes imageAttributes = 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 };
imageAttributes.SetRemapTable(remapTable, 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}
};
ColorMatrix colorMatrix = new ColorMatrix(colorMatrixElements);
imageAttributes.SetColorMatrix(colorMatrix, ColorMatrixFlag.Default, 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 Rectangle(xpos, ypos, watermark.Width, watermark.Height), 0, 0, watermark.Width, watermark.Height, GraphicsUnit.Pixel, imageAttributes);
ImageCodecInfo[] codecs = ImageCodecInfo.GetImageEncoders();
ImageCodecInfo ici = null;
foreach (ImageCodecInfo codec in codecs)
{
if (codec.MimeType.IndexOf("jpeg") > -1)
ici = codec;
}
EncoderParameters encoderParams = new EncoderParameters();
long[] qualityParam = new long[1];
if (quality < 0 || quality > 100)
quality = 80;
qualityParam[0] = quality;
EncoderParameter encoderParam = new 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();
}
public MemoryStream AddImageSignPic(Image img, string watermarkFilename, int watermarkStatus, int quality, int watermarkTransparency)
{
Graphics graphics = null;
Image image = null;
ImageAttributes imageAttr = null;
MemoryStream stream = null;
MemoryStream stream2;
try
{
graphics = Graphics.FromImage(img);
image = new Bitmap(watermarkFilename);
imageAttr = new ImageAttributes();
ColorMap map = new ColorMap {
OldColor = Color.FromArgb(0xff, 0, 0xff, 0),
NewColor = Color.FromArgb(0, 0, 0, 0)
};
ColorMap[] mapArray = new ColorMap[] { map };
imageAttr.SetRemapTable(mapArray, ColorAdjustType.Bitmap);
float num = 0.5f;
if ((watermarkTransparency >= 1) && (watermarkTransparency <= 10))
{
num = ((float) watermarkTransparency) / 10f;
}
float[][] numArray3 = new float[5][];
float[] numArray4 = new float[5];
numArray4[0] = 1f;
numArray3[0] = numArray4;
float[] numArray5 = new float[5];
numArray5[1] = 1f;
numArray3[1] = numArray5;
float[] numArray6 = new float[5];
numArray6[2] = 1f;
numArray3[2] = numArray6;
float[] numArray7 = new float[5];
numArray7[3] = num;
numArray3[3] = numArray7;
float[] numArray8 = new float[5];
numArray8[4] = 1f;
numArray3[4] = numArray8;
float[][] newColorMatrix = numArray3;
ColorMatrix matrix = new ColorMatrix(newColorMatrix);
imageAttr.SetColorMatrix(matrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
int x = 0;
int y = 0;
switch (watermarkStatus)
{
case 1:
x = (int) (img.Width * 0.01f);
y = (int) (img.Height * 0.01f);
break;
case 2:
x = ((int) (img.Width * 0.5f)) - (image.Width / 2);
y = (int) (img.Height * 0.01f);
break;
case 3:
x = ((int) (img.Width * 0.99f)) - image.Width;
y = (int) (img.Height * 0.01f);
break;
case 4:
x = (int) (img.Width * 0.01f);
y = ((int) (img.Height * 0.5f)) - (image.Height / 2);
break;
case 5:
x = ((int) (img.Width * 0.5f)) - (image.Width / 2);
y = ((int) (img.Height * 0.5f)) - (image.Height / 2);
break;
case 6:
x = ((int) (img.Width * 0.99f)) - image.Width;
y = ((int) (img.Height * 0.5f)) - (image.Height / 2);
break;
case 7:
x = (int) (img.Width * 0.01f);
y = ((int) (img.Height * 0.99f)) - image.Height;
break;
case 8:
x = ((int) (img.Width * 0.5f)) - (image.Width / 2);
y = ((int) (img.Height * 0.99f)) - image.Height;
break;
case 9:
x = ((int) (img.Width * 0.99f)) - image.Width;
y = ((int) (img.Height * 0.99f)) - image.Height;
break;
}
graphics.DrawImage(image, new Rectangle(x, y, image.Width, image.Height), 0, 0, image.Width, image.Height, GraphicsUnit.Pixel, imageAttr);
ImageCodecInfo[] imageEncoders = ImageCodecInfo.GetImageEncoders();
ImageCodecInfo encoder = null;
foreach (ImageCodecInfo info2 in imageEncoders)
{
if (info2.MimeType.IndexOf("jpeg") > -1)
{
encoder = info2;
}
}
EncoderParameters encoderParams = new EncoderParameters();
long[] numArray2 = new long[1];
if ((quality < 0) || (quality > 100))
{
quality = 80;
}
numArray2[0] = quality;
EncoderParameter parameter = new EncoderParameter(Encoder.Quality, numArray2);
encoderParams.Param[0] = parameter;
stream = new MemoryStream();
if (encoder != null)
{
img.Save(stream, encoder, encoderParams);
}
stream2 = stream;
}
catch
{
stream = null;
stream2 = stream;
}
finally
{
if (graphics != null)
{
graphics.Dispose();
}
if (img != null)
{
img.Dispose();
}
if (image != null)
{
image.Dispose();
}
if (imageAttr != null)
{
imageAttr.Dispose();
}
}
return stream2;
}
/// <summary>
/// 加图片水印
/// </summary>
/// <param name="sourceImgMS">要加水印的原图(System.Drawing)</param>
/// <param name="watermarkImg">水印文件名</param>
/// <param name="watermarkStatus">图片水印位置1=左上 2=中上 3=右上 4=左中 5=中中 6=右中 7=左下 8=右中 9=右下</param>
/// <param name="quality">加水印后的质量0~100,数字越大质量越高</param>
/// <param name="watermarkTransparency">水印图片的透明度1~10,数字越小越透明,10为不透明</param>
///<param name="imgExt">图片后缀</param>
public static MemoryStream ImageWaterMarkPic(MemoryStream sourceImgMS, MemoryStream watermarkImg, int watermarkStatus, int quality, int watermarkTransparency,string imgExt)
{
Image sourceImg = Image.FromStream(sourceImgMS);//原图
Image watermark = Image.FromStream(watermarkImg);//水印图
ImageFormat tFormat = sourceImg.RawFormat;//获取原图格式
Graphics g = Graphics.FromImage(sourceImg);
//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;
if (watermark.Height >= sourceImg.Height || watermark.Width >= sourceImg.Width)
throw new Exception("水印图片大于原图");
ImageAttributes imageAttributes = 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 };
imageAttributes.SetRemapTable(remapTable, 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}
};
ColorMatrix colorMatrix = new ColorMatrix(colorMatrixElements);
imageAttributes.SetColorMatrix(colorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
int xpos = 0;
int ypos = 0;
switch (watermarkStatus)
{
case 1:
xpos = (int)(sourceImg.Width * (float).01);
ypos = (int)(sourceImg.Height * (float).01);
break;
case 2:
xpos = (int)((sourceImg.Width * (float).50) - (watermark.Width / 2));
ypos = (int)(sourceImg.Height * (float).01);
break;
case 3:
xpos = (int)((sourceImg.Width * (float).99) - (watermark.Width));
ypos = (int)(sourceImg.Height * (float).01);
break;
case 4:
xpos = (int)(sourceImg.Width * (float).01);
ypos = (int)((sourceImg.Height * (float).50) - (watermark.Height / 2));
break;
case 5:
xpos = (int)((sourceImg.Width * (float).50) - (watermark.Width / 2));
ypos = (int)((sourceImg.Height * (float).50) - (watermark.Height / 2));
break;
case 6:
xpos = (int)((sourceImg.Width * (float).99) - (watermark.Width));
ypos = (int)((sourceImg.Height * (float).50) - (watermark.Height / 2));
break;
case 7:
xpos = (int)(sourceImg.Width * (float).01);
ypos = (int)((sourceImg.Height * (float).99) - watermark.Height);
break;
case 8:
xpos = (int)((sourceImg.Width * (float).50) - (watermark.Width / 2));
ypos = (int)((sourceImg.Height * (float).99) - watermark.Height);
break;
case 9:
xpos = (int)((sourceImg.Width * (float).99) - (watermark.Width));
ypos = (int)((sourceImg.Height * (float).99) - watermark.Height);
break;
}
g.DrawImage(watermark, new Rectangle(xpos, ypos, watermark.Width, watermark.Height), 0, 0, watermark.Width, watermark.Height, GraphicsUnit.Pixel, imageAttributes);
ImageCodecInfo ici = SunImgFormat.GetImageCodecInfo(imgExt);
EncoderParameters encoderParams = new EncoderParameters();
long[] qualityParam = new long[1];
if (quality < 0 || quality > 100)
quality = 80;
qualityParam[0] = quality;
EncoderParameter encoderParam = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, qualityParam);
encoderParams.Param[0] = encoderParam;
MemoryStream newMS = new MemoryStream();
if (ici != null)
sourceImg.Save(newMS, ici, encoderParams);
else
sourceImg.Save(newMS,tFormat);
watermarkImg.Dispose();//释放资源
sourceImgMS.Dispose();//释放资源
g.Dispose();
sourceImg.Dispose();
watermark.Dispose();
imageAttributes.Dispose();
return newMS;
}
/// <summary>
/// 生成图片水印
/// </summary>
/// <param name="originalPath">源图路径</param>
/// <param name="watermarkPath">水印图片路径</param>
/// <param name="targetPath">保存路径</param>
/// <param name="position">位置</param>
/// <param name="opacity">透明度</param>
/// <param name="quality">质量</param>
public static void GenerateImageWatermark(string originalPath, string watermarkPath, string targetPath, int position, int opacity, int quality)
{
Image originalImage = null;
Image watermarkImage = null;
//图片属性
ImageAttributes attributes = null;
//画板
Graphics g = null;
try
{
originalImage = Image.FromFile(originalPath);
watermarkImage = new Bitmap(watermarkPath);
if (watermarkImage.Height >= originalImage.Height || watermarkImage.Width >= originalImage.Width)
{
originalImage.Save(targetPath);
return;
}
if (quality < 0 || quality > 100)
quality = 80;
//水印透明度
float iii;
if (opacity > 0 && opacity <= 10)
iii = (float)(opacity / 10.0F);
else
iii = 0.5F;
//水印位置
int x = 0;
int y = 0;
switch (position)
{
case 1:
x = (int)(originalImage.Width * (float).01);
y = (int)(originalImage.Height * (float).01);
break;
case 2:
x = (int)((originalImage.Width * (float).50) - (watermarkImage.Width / 2));
y = (int)(originalImage.Height * (float).01);
break;
case 3:
x = (int)((originalImage.Width * (float).99) - (watermarkImage.Width));
y = (int)(originalImage.Height * (float).01);
break;
case 4:
x = (int)(originalImage.Width * (float).01);
y = (int)((originalImage.Height * (float).50) - (watermarkImage.Height / 2));
break;
case 5:
x = (int)((originalImage.Width * (float).50) - (watermarkImage.Width / 2));
y = (int)((originalImage.Height * (float).50) - (watermarkImage.Height / 2));
break;
case 6:
x = (int)((originalImage.Width * (float).99) - (watermarkImage.Width));
y = (int)((originalImage.Height * (float).50) - (watermarkImage.Height / 2));
break;
case 7:
x = (int)(originalImage.Width * (float).01);
y = (int)((originalImage.Height * (float).99) - watermarkImage.Height);
break;
case 8:
x = (int)((originalImage.Width * (float).50) - (watermarkImage.Width / 2));
y = (int)((originalImage.Height * (float).99) - watermarkImage.Height);
break;
case 9:
x = (int)((originalImage.Width * (float).99) - (watermarkImage.Width));
y = (int)((originalImage.Height * (float).99) - watermarkImage.Height);
break;
}
//颜色映射表
ColorMap colorMap = new ColorMap();
colorMap.OldColor = Color.FromArgb(255, 0, 255, 0);
colorMap.NewColor = Color.FromArgb(0, 0, 0, 0);
ColorMap[] newColorMap = { colorMap };
//颜色变换矩阵,iii是设置透明度的范围0到1中的单精度类型
float[][] newColorMatrix ={
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, iii, 0.0f},
new float[] {0.0f, 0.0f, 0.0f, 0.0f, 1.0f}
};
//定义一个 5 x 5 矩阵
ColorMatrix matrix = new ColorMatrix(newColorMatrix);
//图片属性
attributes = new ImageAttributes();
attributes.SetRemapTable(newColorMap, ColorAdjustType.Bitmap);
attributes.SetColorMatrix(matrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
//画板
g = Graphics.FromImage(originalImage);
//绘制水印
g.DrawImage(watermarkImage, new Rectangle(x, y, watermarkImage.Width, watermarkImage.Height), 0, 0, watermarkImage.Width, watermarkImage.Height, GraphicsUnit.Pixel, attributes);
//保存图片
EncoderParameters encoderParams = new EncoderParameters();
encoderParams.Param[0] = new EncoderParameter(Encoder.Quality, new long[] { quality });
if (GetJPEGCodec() != null)
originalImage.Save(targetPath, _jpegcodec, encoderParams);
else
originalImage.Save(targetPath);
}
catch (Exception ex)
{
throw ex;
}
finally
{
if (g != null)
g.Dispose();
if (attributes != null)
attributes.Dispose();
if (watermarkImage != null)
watermarkImage.Dispose();
if (originalImage != null)
originalImage.Dispose();
}
}
/// <summary>
/// Draws the button on the specified graphics.
/// <seealso cref="Graphics"/>
/// </summary>
/// <param name="graphics">Button graphics object.</param>
protected virtual void DrawButton(Graphics graphics)
{
// Cleat the background with the Back color
graphics.Clear(this.BackColor);
// Draw background
if(this.Vertical)
{
DrawVerticalButtonBack(graphics);
}
else
{
DrawHorizontalButtonBack(graphics);
}
// Draw image
Rectangle imageRect = Rectangle.Empty;
if(this.Image != null)
{
// Calculate image rectangle position
imageRect.X = this.ClientRectangle.X + this.offset;
imageRect.Y = this.ClientRectangle.Y + (this.ClientRectangle.Height - this.Image.Height) / 2;
imageRect.Width = this.Image.Width;
imageRect.Height = this.Image.Height;
// Shift image by 1 pixel when in pressed state
if(this.pressed && this.Vertical)
{
++imageRect.X;
++imageRect.Y;
}
// Replace transparent color (White) with button back color
ColorMap[] myColorMap = new ColorMap[1];
myColorMap[0] = new ColorMap();
myColorMap[0].OldColor = Color.White;
myColorMap[0].NewColor = this.BackColor;
// Create an ImageAttributes object
ImageAttributes imageAttr = new ImageAttributes();
imageAttr.SetRemapTable(myColorMap);
// Draw image
graphics.DrawImage(
this.Image,
imageRect,
0,
0,
this.Image.Width,
this.Image.Height,
GraphicsUnit.Pixel,
imageAttr);
imageAttr.Dispose();
}
// Draw button text
if(this.Text.Length > 0)
{
Rectangle textRect = new Rectangle(this.ClientRectangle.Location, this.ClientRectangle.Size);
textRect.X += this.offset - 2;
textRect.Width -= 2 * this.offset;
if(this.Image != null)
{
textRect.X += this.offset + this.Image.Width;
textRect.Width -= this.offset + this.Image.Width;
}
// Shift image by 1 pixel when in pressed state
if(this.pressed && this.Vertical)
{
++textRect.X;
++textRect.Y;
}
StringFormat format = new StringFormat();
format.LineAlignment = StringAlignment.Center;
format.Alignment = StringAlignment.Center;
format.Trimming = StringTrimming.EllipsisCharacter;
format.FormatFlags = StringFormatFlags.LineLimit;
using( SolidBrush brush = new SolidBrush( (this.SelectedTab) ? textColorSelected : textColorUnSelected ) )
{
graphics.DrawString(this.Text, this.Font, brush, textRect, format);
}
format.Dispose();
}
}
/// <summary>
/// Raises the RenderItemImage event.
/// </summary>
/// <param name="e">An ToolStripItemImageRenderEventArgs containing the event data.</param>
protected override void OnRenderItemImage(ToolStripItemImageRenderEventArgs e)
{
// Is this a min/restore/close pendant button
if (e.Item.GetType().ToString() == "System.Windows.Forms.MdiControlStrip+ControlBoxMenuItem")
{
// Get access to the owning form of the mdi control strip
Form f = e.ToolStrip.Parent.TopLevelControl as Form;
if (f != null)
{
// Get the mdi control strip instance
PropertyInfo piMCS = typeof(Form).GetProperty("MdiControlStrip", BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.GetField);
if (piMCS != null)
{
object mcs = piMCS.GetValue(f, null);
if (mcs != null)
{
// Get the min/restore/close internal menu items
Type mcsType = mcs.GetType();
FieldInfo fiM = mcsType.GetField("minimize", BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.GetField);
FieldInfo fiR = mcsType.GetField("restore", BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.GetField);
FieldInfo fiC = mcsType.GetField("close", BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.GetField);
if ((fiM != null) && (fiR != null) && (fiC != null))
{
ToolStripMenuItem m = fiM.GetValue(mcs) as ToolStripMenuItem;
ToolStripMenuItem r = fiR.GetValue(mcs) as ToolStripMenuItem;
ToolStripMenuItem c = fiC.GetValue(mcs) as ToolStripMenuItem;
if ((m != null) && (r != null) && (c != null))
{
// Compare the event provided image with the internal cached ones to discover the type of pendant button we are drawing
PaletteButtonSpecStyle specStyle = PaletteButtonSpecStyle.Generic;
if (m.Image == e.Image)
specStyle = PaletteButtonSpecStyle.PendantMin;
else if (r.Image == e.Image)
specStyle = PaletteButtonSpecStyle.PendantRestore;
else if (c.Image == e.Image)
specStyle = PaletteButtonSpecStyle.PendantClose;
// A match, means we have a known pendant button
if (specStyle != PaletteButtonSpecStyle.Generic)
{
// Grab the palette pendant details needed for drawing
Image paletteImage = KCT.Palette.GetButtonSpecImage(specStyle, PaletteState.Normal);
Color transparentColor = KCT.Palette.GetButtonSpecImageTransparentColor(specStyle);
// Finally we actually have an image to draw!
if (paletteImage != null)
{
using (ImageAttributes attribs = new ImageAttributes())
{
// Setup mapping to make required color transparent
ColorMap remap = new ColorMap();
remap.OldColor = transparentColor;
remap.NewColor = Color.Transparent;
attribs.SetRemapTable(new ColorMap[] { remap });
// Phew, actually draw the darn thing
e.Graphics.DrawImage(paletteImage, e.ImageRectangle,
0, 0, e.Image.Width, e.Image.Height,
GraphicsUnit.Pixel, attribs);
// Do not let base class draw system defined image
return;
}
}
}
}
}
}
}
}
}
base.OnRenderItemImage(e);
}
/// <summary>
/// 生成水印图
/// </summary>
/// <param name="sourceFilename">源图绝对路径</param>
/// <param name="watermarkType">水印类型:文字水印,图片水印</param>
/// <param name="watermarkPosition">水印位置</param>
/// <param name="watermarkImage">水印图绝对路径</param>
/// <param name="watermarkText">水印文字</param>
/// <param name="fontSize">字体大小</param>
/// <param name="fontColor">字体颜色</param>
/// <param name="fontFamily">字体</param>
/// <param name="alpha">透明度</param>
/// <returns></returns>
public static string AddWatermark(string sourceFilename, string watermarkType, int watermarkPosition, string watermarkImage
, string watermarkText, int fontSize, string fontColor, string fontFamily, float alpha)
{
System.Drawing.Image img = System.Drawing.Image.FromFile(sourceFilename);
// 封装 GDI+ 位图，此位图由图形图像及其属性的像素数据组成。
Bitmap bmPhoto = new Bitmap(img.Width, img.Height, PixelFormat.Format32bppRgb);
// 设定分辨率
bmPhoto.SetResolution(72, 72);
System.Drawing.Graphics g = Graphics.FromImage(bmPhoto);//System.Drawing.Graphics.FromImage(img);
//设置高质量插值法
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High;
//消除锯齿
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
//g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
g.DrawImage(img, new Rectangle(0, 0, img.Width, img.Height), 0, 0, img.Width, img.Height, GraphicsUnit.Pixel);
//文件扩展名
string strExt = Path.GetExtension(sourceFilename);
//生成的水印图文件名
string strWatermarkFile = sourceFilename.Replace(strExt, "_watermark" + strExt);
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[][] 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, alpha, 0.0f }, //水印透明度
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);
//水印所在位置
int xpos = 0;
int ypos = 0;
int intWatermarkWidth = 0;
int intWatermarkHeight = 0;
System.Drawing.Image watermark = null;
if (watermarkType.Equals("图片水印") && File.Exists(watermarkImage))
{
//加载水印图片
watermark = new System.Drawing.Bitmap(watermarkImage);
intWatermarkWidth = watermark.Width;
intWatermarkHeight = watermark.Height;
}
else if (watermarkType.Equals("文字水印") && watermarkText.Trim().Length > 0)
{
SizeF size = g.MeasureString(watermarkText, new Font(new FontFamily(fontFamily), fontSize));
intWatermarkWidth = Convert.ToInt32(size.Width);
intWatermarkHeight = Convert.ToInt32(size.Height);
}
switch (watermarkPosition)
{
case 1:
xpos = (int)(img.Width * (float).01);
ypos = (int)(img.Height * (float).01);
break;
case 2:
xpos = (int)((img.Width * (float).50) - (intWatermarkWidth / 2));
ypos = (int)(img.Height * (float).01);
break;
case 3:
xpos = (int)((img.Width * (float).99) - (intWatermarkWidth));
ypos = (int)(img.Height * (float).01);
break;
case 4:
xpos = (int)(img.Width * (float).01);
ypos = (int)((img.Height * (float).50) - (intWatermarkHeight / 2));
break;
case 5:
xpos = (int)((img.Width * (float).50) - (intWatermarkWidth / 2));
ypos = (int)((img.Height * (float).50) - (intWatermarkHeight / 2));
break;
case 6:
xpos = (int)((img.Width * (float).99) - (intWatermarkWidth));
ypos = (int)((img.Height * (float).50) - (intWatermarkHeight / 2));
break;
case 7:
xpos = (int)(img.Width * (float).01);
ypos = (int)((img.Height * (float).99) - intWatermarkHeight);
break;
case 8:
xpos = (int)((img.Width * (float).50) - (intWatermarkWidth / 2));
ypos = (int)((img.Height * (float).99) - intWatermarkHeight);
break;
case 9:
xpos = (int)((img.Width * (float).99) - (intWatermarkWidth));
ypos = (int)((img.Height * (float).99) - intWatermarkHeight);
break;
}
if (watermark != null)
{
g.DrawImage(watermark, new System.Drawing.Rectangle(xpos, ypos, intWatermarkWidth, intWatermarkHeight), 0, 0, intWatermarkWidth, intWatermarkHeight, System.Drawing.GraphicsUnit.Pixel, imageAttributes);
}
else
{
System.Drawing.Font font = new System.Drawing.Font(fontFamily, fontSize); //文字字体
Color fColor = System.Drawing.ColorTranslator.FromHtml(fontColor);
Color txtColor = System.Drawing.Color.FromArgb(Convert.ToInt32(alpha * 255), fColor); //文字颜色
System.Drawing.SolidBrush brush = new System.Drawing.SolidBrush(txtColor);
g.DrawString(watermarkText, font, brush, xpos, ypos);
}
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)
{
ici = codec;
}
}
System.Drawing.Imaging.EncoderParameters encoderParams = new System.Drawing.Imaging.EncoderParameters();
long[] qualityParam = new long[1];
qualityParam[0] = 80; //图片质量
System.Drawing.Imaging.EncoderParameter encoderParam = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, qualityParam);
encoderParams.Param[0] = encoderParam;
if (ici != null)
{
bmPhoto.Save(strWatermarkFile, ici, encoderParams);
}
else
{
bmPhoto.Save(strWatermarkFile);
}
g.Dispose();
img.Dispose();
if (watermark != null)
{
watermark.Dispose();
}
imageAttributes.Dispose();
return(strWatermarkFile);
}
public System.IO.MemoryStream AddImageSignPic(System.Drawing.Image img, string watermarkFilename, int watermarkStatus, int quality, int watermarkTransparency)
{
System.Drawing.Graphics graphics = null;
System.Drawing.Image image = null;
System.Drawing.Imaging.ImageAttributes imageAttributes = null;
System.IO.MemoryStream result;
try
{
graphics = System.Drawing.Graphics.FromImage(img);
image = new System.Drawing.Bitmap(watermarkFilename);
imageAttributes = new System.Drawing.Imaging.ImageAttributes();
System.Drawing.Imaging.ColorMap[] map = new System.Drawing.Imaging.ColorMap[]
{
new System.Drawing.Imaging.ColorMap
{
OldColor = System.Drawing.Color.FromArgb(255, 0, 255, 0),
NewColor = System.Drawing.Color.FromArgb(0, 0, 0, 0)
}
};
imageAttributes.SetRemapTable(map, System.Drawing.Imaging.ColorAdjustType.Bitmap);
float num = 0.5f;
if (watermarkTransparency >= 1 && watermarkTransparency <= 10)
{
num = (float)watermarkTransparency / 10f;
}
float[][] array = new float[5][];
float[][] arg_A1_0 = array;
int arg_A1_1 = 0;
float[] array2 = new float[5];
array2[0] = 1f;
arg_A1_0[arg_A1_1] = array2;
float[][] arg_B8_0 = array;
int arg_B8_1 = 1;
float[] array3 = new float[5];
array3[1] = 1f;
arg_B8_0[arg_B8_1] = array3;
float[][] arg_CF_0 = array;
int arg_CF_1 = 2;
float[] array4 = new float[5];
array4[2] = 1f;
arg_CF_0[arg_CF_1] = array4;
float[][] arg_E3_0 = array;
int arg_E3_1 = 3;
float[] array5 = new float[5];
array5[3] = num;
arg_E3_0[arg_E3_1] = array5;
array[4] = new float[]
{
0f,
0f,
0f,
0f,
1f
};
float[][] newColorMatrix = array;
System.Drawing.Imaging.ColorMatrix newColorMatrix2 = new System.Drawing.Imaging.ColorMatrix(newColorMatrix);
imageAttributes.SetColorMatrix(newColorMatrix2, System.Drawing.Imaging.ColorMatrixFlag.Default, System.Drawing.Imaging.ColorAdjustType.Bitmap);
int x = 0;
int y = 0;
switch (watermarkStatus)
{
case 1:
x = (int)((float)img.Width * 0.01f);
y = (int)((float)img.Height * 0.01f);
break;
case 2:
x = (int)((float)img.Width * 0.5f - (float)(image.Width / 2));
y = (int)((float)img.Height * 0.01f);
break;
case 3:
x = (int)((float)img.Width * 0.99f - (float)image.Width);
y = (int)((float)img.Height * 0.01f);
break;
case 4:
x = (int)((float)img.Width * 0.01f);
y = (int)((float)img.Height * 0.5f - (float)(image.Height / 2));
break;
case 5:
x = (int)((float)img.Width * 0.5f - (float)(image.Width / 2));
y = (int)((float)img.Height * 0.5f - (float)(image.Height / 2));
break;
case 6:
x = (int)((float)img.Width * 0.99f - (float)image.Width);
y = (int)((float)img.Height * 0.5f - (float)(image.Height / 2));
break;
case 7:
x = (int)((float)img.Width * 0.01f);
y = (int)((float)img.Height * 0.99f - (float)image.Height);
break;
case 8:
x = (int)((float)img.Width * 0.5f - (float)(image.Width / 2));
y = (int)((float)img.Height * 0.99f - (float)image.Height);
break;
case 9:
x = (int)((float)img.Width * 0.99f - (float)image.Width);
y = (int)((float)img.Height * 0.99f - (float)image.Height);
break;
}
graphics.DrawImage(image, new System.Drawing.Rectangle(x, y, image.Width, image.Height), 0, 0, image.Width, image.Height, System.Drawing.GraphicsUnit.Pixel, imageAttributes);
System.Drawing.Imaging.ImageCodecInfo[] imageEncoders = System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders();
System.Drawing.Imaging.ImageCodecInfo imageCodecInfo = null;
System.Drawing.Imaging.ImageCodecInfo[] array6 = imageEncoders;
for (int i = 0; i < array6.Length; i++)
{
System.Drawing.Imaging.ImageCodecInfo imageCodecInfo2 = array6[i];
if (imageCodecInfo2.MimeType.IndexOf("jpeg") > -1)
{
imageCodecInfo = imageCodecInfo2;
}
}
System.Drawing.Imaging.EncoderParameters encoderParameters = new System.Drawing.Imaging.EncoderParameters();
long[] array7 = new long[1];
if (quality < 0 || quality > 100)
{
quality = 80;
}
array7[0] = (long)quality;
System.Drawing.Imaging.EncoderParameter encoderParameter = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, array7);
encoderParameters.Param[0] = encoderParameter;
System.IO.MemoryStream memoryStream = new System.IO.MemoryStream();
if (imageCodecInfo != null)
{
img.Save(memoryStream, imageCodecInfo, encoderParameters);
}
result = memoryStream;
}
catch
{
System.IO.MemoryStream memoryStream = null;
result = memoryStream;
}
finally
{
if (graphics != null)
{
graphics.Dispose();
}
if (img != null)
{
img.Dispose();
}
if (image != null)
{
image.Dispose();
}
if (imageAttributes != null)
{
imageAttributes.Dispose();
}
}
return(result);
}
public static void GenerateImageWatermark(string originalPath, string watermarkPath, string targetPath, int position, int opacity, int quality)
{
System.Drawing.Image image = null;
System.Drawing.Image image2 = null;
System.Drawing.Imaging.ImageAttributes imageAttributes = null;
System.Drawing.Graphics graphics = null;
try
{
image = System.Drawing.Image.FromFile(originalPath);
image2 = new System.Drawing.Bitmap(watermarkPath);
if (image2.Height >= image.Height || image2.Width >= image.Width)
{
image.Save(targetPath);
}
else
{
if (quality < 0 || quality > 100)
{
quality = 80;
}
float num;
if (opacity > 0 && opacity <= 10)
{
num = (float)opacity / 10f;
}
else
{
num = 0.5f;
}
int x = 0;
int y = 0;
switch (position)
{
case 1:
x = (int)((float)image.Width * 0.01f);
y = (int)((float)image.Height * 0.01f);
break;
case 2:
x = (int)((float)image.Width * 0.5f - (float)(image2.Width / 2));
y = (int)((float)image.Height * 0.01f);
break;
case 3:
x = (int)((float)image.Width * 0.99f - (float)image2.Width);
y = (int)((float)image.Height * 0.01f);
break;
case 4:
x = (int)((float)image.Width * 0.01f);
y = (int)((float)image.Height * 0.5f - (float)(image2.Height / 2));
break;
case 5:
x = (int)((float)image.Width * 0.5f - (float)(image2.Width / 2));
y = (int)((float)image.Height * 0.5f - (float)(image2.Height / 2));
break;
case 6:
x = (int)((float)image.Width * 0.99f - (float)image2.Width);
y = (int)((float)image.Height * 0.5f - (float)(image2.Height / 2));
break;
case 7:
x = (int)((float)image.Width * 0.01f);
y = (int)((float)image.Height * 0.99f - (float)image2.Height);
break;
case 8:
x = (int)((float)image.Width * 0.5f - (float)(image2.Width / 2));
y = (int)((float)image.Height * 0.99f - (float)image2.Height);
break;
case 9:
x = (int)((float)image.Width * 0.99f - (float)image2.Width);
y = (int)((float)image.Height * 0.99f - (float)image2.Height);
break;
}
System.Drawing.Imaging.ColorMap[] map = new System.Drawing.Imaging.ColorMap[]
{
new System.Drawing.Imaging.ColorMap
{
OldColor = System.Drawing.Color.FromArgb(255, 0, 255, 0),
NewColor = System.Drawing.Color.FromArgb(0, 0, 0, 0)
}
};
float[][] array = new float[5][];
float[][] arg_2DE_0 = array;
int arg_2DE_1 = 0;
float[] array2 = new float[5];
array2[0] = 1f;
arg_2DE_0[arg_2DE_1] = array2;
float[][] arg_2F5_0 = array;
int arg_2F5_1 = 1;
array2 = new float[5];
array2[1] = 1f;
arg_2F5_0[arg_2F5_1] = array2;
float[][] arg_30C_0 = array;
int arg_30C_1 = 2;
array2 = new float[5];
array2[2] = 1f;
arg_30C_0[arg_30C_1] = array2;
float[][] arg_320_0 = array;
int arg_320_1 = 3;
array2 = new float[5];
array2[3] = num;
arg_320_0[arg_320_1] = array2;
array[4] = new float[]
{
0f,
0f,
0f,
0f,
1f
};
float[][] newColorMatrix = array;
System.Drawing.Imaging.ColorMatrix newColorMatrix2 = new System.Drawing.Imaging.ColorMatrix(newColorMatrix);
imageAttributes = new System.Drawing.Imaging.ImageAttributes();
imageAttributes.SetRemapTable(map, System.Drawing.Imaging.ColorAdjustType.Bitmap);
imageAttributes.SetColorMatrix(newColorMatrix2, System.Drawing.Imaging.ColorMatrixFlag.Default, System.Drawing.Imaging.ColorAdjustType.Bitmap);
graphics = System.Drawing.Graphics.FromImage(image);
graphics.DrawImage(image2, new System.Drawing.Rectangle(x, y, image2.Width, image2.Height), 0, 0, image2.Width, image2.Height, System.Drawing.GraphicsUnit.Pixel, imageAttributes);
System.Drawing.Imaging.EncoderParameters encoderParameters = new System.Drawing.Imaging.EncoderParameters();
encoderParameters.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, new long[]
{
(long)quality
});
if (ImageHelper.GetJPEGCodec() != null)
{
image.Save(targetPath, ImageHelper._jpegcodec, encoderParameters);
}
else
{
image.Save(targetPath);
}
}
}
catch (System.Exception ex)
{
throw ex;
}
finally
{
if (graphics != null)
{
graphics.Dispose();
}
if (imageAttributes != null)
{
imageAttributes.Dispose();
}
if (image2 != null)
{
image2.Dispose();
}
if (image != null)
{
image.Dispose();
}
}
}
private void DrawImage(Graphics g)
{
Image image = this.Enabled ? ImageEnabled : ((ImageDisabled != null) ? ImageDisabled : ImageEnabled);
ImageAttributes imageAttr = null;
if (null == image)
return;
if (m_monochrom)
{
imageAttr = new ImageAttributes();
// transform the monochrom image
// white -> BackColor
// black -> ForeColor
ColorMap[] colorMap = new ColorMap[2];
colorMap[0] = new ColorMap();
colorMap[0].OldColor = Color.White;
colorMap[0].NewColor = this.BackColor;
colorMap[1] = new ColorMap();
colorMap[1].OldColor = Color.Black;
colorMap[1].NewColor = this.ForeColor;
imageAttr.SetRemapTable(colorMap);
}
Rectangle rect = new Rectangle(0, 0, image.Width, image.Height);
if ((!Enabled) && (null == ImageDisabled))
{
using (Bitmap bitmapMono = new Bitmap(image, ClientRectangle.Size))
{
if (imageAttr != null)
{
using (Graphics gMono = Graphics.FromImage(bitmapMono))
{
gMono.DrawImage(image, new Point[3] { new Point(0, 0), new Point(image.Width - 1, 0), new Point(0, image.Height - 1) }, rect, GraphicsUnit.Pixel, imageAttr);
}
}
ControlPaint.DrawImageDisabled(g, bitmapMono, 0, 0, this.BackColor);
}
}
else
{
// Three points provided are upper-left, upper-right and
// lower-left of the destination parallelogram.
Point[] pts = new Point[3];
pts[0].X = (Enabled && m_mouseOver && m_mouseCapture) ? 1 : 0;
pts[0].Y = (Enabled && m_mouseOver && m_mouseCapture) ? 1 : 0;
pts[1].X = pts[0].X + ClientRectangle.Width;
pts[1].Y = pts[0].Y;
pts[2].X = pts[0].X;
pts[2].Y = pts[1].Y + ClientRectangle.Height;
if (imageAttr == null)
g.DrawImage(image, pts, rect, GraphicsUnit.Pixel);
else
g.DrawImage(image, pts, rect, GraphicsUnit.Pixel, imageAttr);
}
}
/// <summary>
/// Helper routine to draw an image taking into account various properties.
/// </summary>
/// <param name="context">Rendering context.</param>
/// <param name="image">Image to be drawn.</param>
/// <param name="remapTransparent">Color that should become transparent.</param>
/// <param name="imageRect">Destination rectangle.</param>
/// <param name="orientation">Visual orientation.</param>
/// <param name="effect">Drawing effect.</param>
/// <param name="remapColor">Image color to remap.</param>
/// <param name="remapNew">New color for remap.</param>
protected static void DrawImageHelper(ViewContext context,
Image image,
Color remapTransparent,
Rectangle imageRect,
VisualOrientation orientation,
PaletteImageEffect effect,
Color remapColor,
Color remapNew)
{
Debug.Assert(context != null);
// Prevent problems with multiple threads using the same palette images
// by only allowing a single thread to draw the provided image at a time
lock (_threadLock)
{
// Validate reference parameter
if (context == null) throw new ArgumentNullException("context");
// Use image attributes class to modify image drawing for effects
ImageAttributes attribs = new ImageAttributes();
switch (effect)
{
case PaletteImageEffect.Disabled:
attribs.SetColorMatrix(CommonHelper.MatrixDisabled);
break;
case PaletteImageEffect.GrayScale:
attribs.SetColorMatrix(_matrixGrayScale, ColorMatrixFlag.SkipGrays);
break;
case PaletteImageEffect.GrayScaleRed:
attribs.SetColorMatrix(_matrixGrayScaleRed, ColorMatrixFlag.SkipGrays);
break;
case PaletteImageEffect.GrayScaleGreen:
attribs.SetColorMatrix(_matrixGrayScaleGreen, ColorMatrixFlag.SkipGrays);
break;
case PaletteImageEffect.GrayScaleBlue:
attribs.SetColorMatrix(_matrixGrayScaleBlue, ColorMatrixFlag.SkipGrays);
break;
case PaletteImageEffect.Light:
attribs.SetColorMatrix(_matrixLight);
break;
case PaletteImageEffect.LightLight:
attribs.SetColorMatrix(_matrixLightLight);
break;
case PaletteImageEffect.Dark:
attribs.SetColorMatrix(_matrixDark);
break;
case PaletteImageEffect.DarkDark:
attribs.SetColorMatrix(_matrixDarkDark);
break;
case PaletteImageEffect.Inherit:
// Should never happen!
Debug.Assert(false);
break;
}
// Do we need to remap a colors in the bitmap?
if ((remapTransparent != Color.Empty) ||
((remapColor != Color.Empty) && (remapNew != Color.Empty)))
{
List<ColorMap> colorMaps = new List<ColorMap>();
// Create remapping for the transparent color
if (remapTransparent != Color.Empty)
{
ColorMap remap = new ColorMap();
remap.OldColor = remapTransparent;
remap.NewColor = Color.Transparent;
colorMaps.Add(remap);
}
// Create remapping from source to target colors
if ((remapColor != Color.Empty) && (remapNew != Color.Empty))
{
ColorMap remap = new ColorMap();
remap.OldColor = remapColor;
remap.NewColor = remapNew;
colorMaps.Add(remap);
}
attribs.SetRemapTable(colorMaps.ToArray(), ColorAdjustType.Bitmap);
}
int translateX = 0;
int translateY = 0;
float rotation = 0f;
// Perform any transformations needed for orientation
switch (orientation)
{
case VisualOrientation.Bottom:
// Translate to opposite side of origin, so the rotate can
// then bring it back to original position but mirror image
translateX = imageRect.X * 2 + imageRect.Width;
translateY = imageRect.Y * 2 + imageRect.Height;
rotation = 180f;
break;
case VisualOrientation.Left:
// Invert the dimensions of the rectangle for drawing upwards
imageRect = new Rectangle(imageRect.X, imageRect.Y, imageRect.Height, imageRect.Width);
// Translate back from a quarter left turn to the original place
translateX = imageRect.X - imageRect.Y;
translateY = imageRect.X + imageRect.Y + imageRect.Width;
rotation = -90f;
break;
case VisualOrientation.Right:
// Invert the dimensions of the rectangle for drawing upwards
imageRect = new Rectangle(imageRect.X, imageRect.Y, imageRect.Height, imageRect.Width);
// Translate back from a quarter right turn to the original place
translateX = imageRect.X + imageRect.Y + imageRect.Height;
translateY = -(imageRect.X - imageRect.Y);
rotation = 90f;
break;
}
// Apply the transforms if we have any to apply
if ((translateX != 0) || (translateY != 0))
context.Graphics.TranslateTransform(translateX, translateY);
if (rotation != 0f)
context.Graphics.RotateTransform(rotation);
try
{
// Finally, just draw the image and let the transforms do the rest
context.Graphics.DrawImage(image, imageRect, 0, 0, imageRect.Width, imageRect.Height, GraphicsUnit.Pixel, attribs);
}
catch (ArgumentException)
{
}
finally
{
if (rotation != 0f)
context.Graphics.RotateTransform(-rotation);
// Remove the applied transforms
if ((translateX != 0) | (translateY != 0))
context.Graphics.TranslateTransform(-translateX, -translateY);
}
}
}
/// <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();
}
