/// <summary>
/// Set brightness for the image
/// </summary>
/// <param name="image">input bitmap</param>
/// <param name="value">value from -255 to 255</param>
/// <returns></returns>
public static Bitmap SetBrightness(Bitmap image, int value)
{
var tempBitmap = image;
var finalValue = value / 255.0f;
var newBitmap = new Bitmap(tempBitmap.Width, tempBitmap.Height);
var newGraphics = Graphics.FromImage(newBitmap);
float[][] floatColorMatrix =
{
new float[] { 1, 0, 0, 0, 0 },
new float[] { 0, 1, 0, 0, 0 },
new float[] { 0, 0, 1, 0, 0 },
new float[] { 0, 0, 0, 1, 0 },
new[] { finalValue, finalValue, finalValue, 1, 1 }
};
var newColorMatrix = new System.Drawing.Imaging.ColorMatrix(floatColorMatrix);
var attributes = new System.Drawing.Imaging.ImageAttributes();
attributes.SetColorMatrix(newColorMatrix);
newGraphics.DrawImage(tempBitmap, new System.Drawing.Rectangle(0, 0, tempBitmap.Width, tempBitmap.Height), 0, 0, tempBitmap.Width, tempBitmap.Height, GraphicsUnit.Pixel, attributes);
attributes.Dispose();
newGraphics.Dispose();
return(newBitmap);
}
private static Bitmap Parlaklik(Bitmap bmp, int deger)
{
System.Drawing.Bitmap TempBitmap = bmp;
float finalValue = (float)deger / 255.0f;
System.Drawing.Bitmap NewBitmap = new System.Drawing.Bitmap(TempBitmap.Width, TempBitmap.Height);
System.Drawing.Graphics NewGraphics = System.Drawing.Graphics.FromImage(NewBitmap);
float[][] FloatColorMatrix =
{
new float[] { 1, 0, 0, 0, 0 },
new float[] { 0, 1, 0, 0, 0 },
new float[] { 0, 0, 1, 0, 0 },
new float[] { 0, 0, 0, 1, 0 },
new float[] { finalValue, finalValue, finalValue, 1, 1 },
};
System.Drawing.Imaging.ColorMatrix NewColorMatrix = new System.Drawing.Imaging.ColorMatrix(FloatColorMatrix);
System.Drawing.Imaging.ImageAttributes Attributes = new System.Drawing.Imaging.ImageAttributes();
Attributes.SetColorMatrix(NewColorMatrix);
NewGraphics.DrawImage(TempBitmap, new System.Drawing.Rectangle(0, 0, TempBitmap.Width, TempBitmap.Height), 0, 0, TempBitmap.Width, TempBitmap.Height, System.Drawing.GraphicsUnit.Pixel, Attributes);
Attributes.Dispose();
NewGraphics.Dispose();
return(NewBitmap);
}
public static Bitmap AdjustBrightness(this Image Image, Color contrastMultiplier, Color brightnessBonus)
{
var TempBitmap = Image;
var NewBitmap = new Bitmap(TempBitmap.Width, TempBitmap.Height);
var NewGraphics = Graphics.FromImage(NewBitmap);
float[][] FloatColorMatrix = {
new[] { contrastMultiplier.R/255.0f, 0, 0, 0, 0 }, new[] { 0, contrastMultiplier.G/255.0f, 0, 0, 0 },
new[] { 0, 0, contrastMultiplier.B/255.0f, 0, 0 }, new float[] { 0, 0, 0, 1, 0 },
new[] { brightnessBonus.R/255.0f, brightnessBonus.G/255.0f, brightnessBonus.B/255.0f, 1, 1 }
};
var NewColorMatrix = new ColorMatrix(FloatColorMatrix);
var Attributes = new ImageAttributes();
Attributes.SetColorMatrix(NewColorMatrix);
NewGraphics.DrawImage(TempBitmap,
new Rectangle(0, 0, TempBitmap.Width, TempBitmap.Height),
0,
0,
TempBitmap.Width,
TempBitmap.Height,
GraphicsUnit.Pixel,
Attributes);
Attributes.Dispose();
NewGraphics.Dispose();
return NewBitmap;
}
public static void DrawBackgroundImage(Graphics g, Image backgroundImage, Color backColor, ImageLayout backgroundImageLayout, Rectangle bounds, Rectangle clipRect, Point scrollOffset, RightToLeft rightToLeft)
{
if (g == null)
{
throw new ArgumentNullException("g");
}
if (backgroundImageLayout == ImageLayout.Tile)
{
using (TextureBrush brush = new TextureBrush(backgroundImage, WrapMode.Tile))
{
if (scrollOffset != Point.Empty)
{
Matrix transform = brush.Transform;
transform.Translate((float) scrollOffset.X, (float) scrollOffset.Y);
brush.Transform = transform;
}
g.FillRectangle(brush, clipRect);
return;
}
}
Rectangle rect = CalculateBackgroundImageRectangle(bounds, backgroundImage, backgroundImageLayout);
if ((rightToLeft == RightToLeft.Yes) && (backgroundImageLayout == ImageLayout.None))
{
rect.X += clipRect.Width - rect.Width;
}
using (SolidBrush brush2 = new SolidBrush(backColor))
{
g.FillRectangle(brush2, clipRect);
}
if (!clipRect.Contains(rect))
{
if ((backgroundImageLayout == ImageLayout.Stretch) || (backgroundImageLayout == ImageLayout.Zoom))
{
rect.Intersect(clipRect);
g.DrawImage(backgroundImage, rect);
}
else if (backgroundImageLayout == ImageLayout.None)
{
rect.Offset(clipRect.Location);
Rectangle destRect = rect;
destRect.Intersect(clipRect);
Rectangle rectangle3 = new Rectangle(Point.Empty, destRect.Size);
g.DrawImage(backgroundImage, destRect, rectangle3.X, rectangle3.Y, rectangle3.Width, rectangle3.Height, GraphicsUnit.Pixel);
}
else
{
Rectangle rectangle4 = rect;
rectangle4.Intersect(clipRect);
Rectangle rectangle5 = new Rectangle(new Point(rectangle4.X - rect.X, rectangle4.Y - rect.Y), rectangle4.Size);
g.DrawImage(backgroundImage, rectangle4, rectangle5.X, rectangle5.Y, rectangle5.Width, rectangle5.Height, GraphicsUnit.Pixel);
}
}
else
{
ImageAttributes imageAttr = new ImageAttributes();
imageAttr.SetWrapMode(WrapMode.TileFlipXY);
g.DrawImage(backgroundImage, rect, 0, 0, backgroundImage.Width, backgroundImage.Height, GraphicsUnit.Pixel, imageAttr);
imageAttr.Dispose();
}
}
//this function change the brightness of the image
public static Bitmap AdjustBrightness(Bitmap Image, int Value)
{
System.Drawing.Bitmap TempBitmap = Image;
float FinalValue = (float)Value / 255.0f; //calculate the scaling value
System.Drawing.Bitmap NewBitmap = new System.Drawing.Bitmap(TempBitmap.Width, TempBitmap.Height);
System.Drawing.Graphics NewGraphics = System.Drawing.Graphics.FromImage(NewBitmap);
float[][] FloatColorMatrix =
{
new float[] { 1, 0, 0, 0, 0 },
new float[] { 0, 1, 0, 0, 0 },
new float[] { 0, 0, 1, 0, 0 },
new float[] { 0, 0, 0, 1, 0 },
new float[] { FinalValue, FinalValue, FinalValue, 1, 1 }
}; //create the matrix for brightness calculation
System.Drawing.Imaging.ColorMatrix NewColorMatrix = new System.Drawing.Imaging.ColorMatrix(FloatColorMatrix);
System.Drawing.Imaging.ImageAttributes Attributes = new System.Drawing.Imaging.ImageAttributes();
Attributes.SetColorMatrix(NewColorMatrix);
//redraw the image
NewGraphics.DrawImage(TempBitmap, new System.Drawing.Rectangle(0, 0, TempBitmap.Width, TempBitmap.Height), 0, 0, TempBitmap.Width, TempBitmap.Height, System.Drawing.GraphicsUnit.Pixel, Attributes);
Attributes.Dispose();
NewGraphics.Dispose();
return(NewBitmap);
}
/// <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());
}
}
public static Image Set(Image image, float opacity)
{
Bitmap bmp = new Bitmap(image.Width, image.Height);
Graphics gfx = Graphics.FromImage(bmp);
ColorMatrix cmx = new ColorMatrix();
cmx.Matrix33 = opacity;
ImageAttributes ia = new ImageAttributes();
ia.SetColorMatrix(cmx, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
gfx.DrawImage(image, new Rectangle(0, 0, bmp.Width, bmp.Height), 0, 0, image.Width, image.Height, GraphicsUnit.Pixel, ia);
ia.Dispose();
gfx.Dispose();
return bmp;
}
private static void ApplyColorMatrix(Bitmap b , ref ColorMatrix matrix)
{
ImageAttributes ImgAtt = new ImageAttributes();
//Bitmap bmpMatrix=new Bitmap(b.Width, b.Height);
Graphics grMatrix = Graphics.FromImage(b);
ImgAtt.SetColorMatrix(matrix);
grMatrix.DrawImage(b, new Rectangle(0, 0, b.Width, b.Height), 0, 0, b.Width, b.Height, GraphicsUnit.Pixel, ImgAtt);
//b = bmpMatrix;
grMatrix.Dispose();
ImgAtt.Dispose();
}
/// <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);
}
}
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 Bitmap AdjustBrightness(Bitmap Image, int Value)
{
Bitmap TempBitmap = Image;
float FinalValue = (float)Value / 255.0f;
Bitmap NewBitmap = new Bitmap(TempBitmap.Width, TempBitmap.Height);
Graphics NewGraphics = Graphics.FromImage(NewBitmap);
float[][] FloatColorMatrix = {
new float[] {1, 0, 0, 0, 0},
new float[] {0, 1, 0, 0, 0},
new float[] {0, 0, 1, 0, 0},
new float[] {0, 0, 0, 1, 0},
new float[] {FinalValue, FinalValue, FinalValue, 1, 1}
};
ColorMatrix NewColorMatrix = new ColorMatrix(FloatColorMatrix);
ImageAttributes Attributes = new ImageAttributes();
Attributes.SetColorMatrix(NewColorMatrix);
NewGraphics.DrawImage(TempBitmap, new Rectangle(0, 0, TempBitmap.Width, TempBitmap.Height), 0, 0, TempBitmap.Width, TempBitmap.Height, GraphicsUnit.Pixel, Attributes);
Attributes.Dispose();
NewGraphics.Dispose();
return NewBitmap;
}
public void AdjustBrightness(Bitmap image, int value)
{
Bitmap previewBitmap = image;
if (isFilter == true)
{
previewBitmap = contrastTemp;
}
if (isContrast == true)
{
previewBitmap = brightnessTemp;
}
else
{
previewBitmap = temp;
}
//System.Drawing.Bitmap TempBitmap = image;
float FinalValue = (float)value / 255.0f;
System.Drawing.Bitmap NewBitmap = new System.Drawing.Bitmap(previewBitmap.Width, previewBitmap.Height);
System.Drawing.Graphics NewGraphics = System.Drawing.Graphics.FromImage(NewBitmap);
float[][] FloatColorMatrix =
{
new float[] { 1, 0, 0, 0, 0 },
new float[] { 0, 1, 0, 0, 0 },
new float[] { 0, 0, 1, 0, 0 },
new float[] { 0, 0, 0, 1, 0 },
new float[] { FinalValue, FinalValue, FinalValue, 1, 1 }
};
System.Drawing.Imaging.ColorMatrix NewColorMatrix = new System.Drawing.Imaging.ColorMatrix(FloatColorMatrix);
System.Drawing.Imaging.ImageAttributes Attributes = new System.Drawing.Imaging.ImageAttributes();
Attributes.SetColorMatrix(NewColorMatrix);
NewGraphics.DrawImage(previewBitmap, new System.Drawing.Rectangle(0, 0, previewBitmap.Width, previewBitmap.Height), 0, 0, previewBitmap.Width, previewBitmap.Height, System.Drawing.GraphicsUnit.Pixel, Attributes);
Attributes.Dispose();
NewGraphics.Dispose();
imgBox.Image = NewBitmap;
}
/// <summary>
/// Verilen Ölçülerde Bitmap'i boyutlandırır.
/// </summary>
/// <param name="Height">Yükselik Değeri</param>
/// <param name="Width">Genişlik Değeri</param>
/// <param name="OrjBitmap">Orijinal Bitmap</param>
public Bitmap ImageResize(Bitmap OrjBitmap, int Width, int Height)
{
try
{
Bitmap thumb = new Bitmap(Width, Height);
Graphics mGraphs = Graphics.FromImage(thumb);
if (OrjBitmap.RawFormat != ImageFormat.Png)
{
mGraphs.InterpolationMode = InterpolationMode.High;
mGraphs.CompositingQuality = CompositingQuality.HighQuality;
mGraphs.SmoothingMode = SmoothingMode.AntiAlias;
mGraphs.PixelOffsetMode = PixelOffsetMode.HighQuality;
}
else
{
mGraphs.SmoothingMode = SmoothingMode.None;
mGraphs.InterpolationMode = InterpolationMode.NearestNeighbor;
mGraphs.SmoothingMode = SmoothingMode.None;
mGraphs.PixelOffsetMode = PixelOffsetMode.None;
}
System.Drawing.Imaging.ImageAttributes attr = new System.Drawing.Imaging.ImageAttributes();
attr.SetWrapMode(System.Drawing.Drawing2D.WrapMode.TileFlipXY);
mGraphs.DrawImage(OrjBitmap, 0, 0, thumb.Width, thumb.Height);
mGraphs.Dispose();
attr.Dispose();
//thumb.Dispose();
return(thumb);
}
catch (Exception)
{
return(null);
}
}
public static Image chGrayscaleImage(Image img)
{
Bitmap ret = new Bitmap(img.Width, img.Height);
Graphics g = Graphics.FromImage(ret);
System.Drawing.Imaging.ColorMatrix _cm =
new System.Drawing.Imaging.ColorMatrix(
new float[][] {
new float[] { 0.299F, 0.299F, 0.299F, 0, 0 },
new float[] { 0.587F, 0.587F, 0.587F, 0, 0 },
new float[] { 0.114F, 0.114F, 0.114F, 0, 0 },
new float[] { 0, 0, 0, 1, 0 },
new float[] { 0, 0, 0, 0, 1 }
});
System.Drawing.Imaging.ImageAttributes ia = new System.Drawing.Imaging.ImageAttributes();
ia.SetColorMatrix(_cm);
g.DrawImage(img, new Rectangle(0, 0, img.Width, img.Height),
0, 0, img.Width, img.Height, GraphicsUnit.Pixel, ia);
g.Dispose();
ia.Dispose();
return(ret);
}
/// <summary>
/// 在已经存在的画布上水印
/// </summary>
/// <param name="graphics"></param>
/// <param name="imageWidth"></param>
/// <param name="imageHeight"></param>
/// <param name="watermarImagePath"></param>
/// <param name="WaterMarkPositions"></param>
/// <param name="alpha">透明度,取值0-1之间的小数</param>
public static Graphics AddWaterMarkImage(Graphics graphics, int imageWidth, int imageHeight, string watermarImagePath, WaterMarkPositions WaterMarkPositions, float alpha)
{
if (graphics != null && File.Exists(watermarImagePath))
{
using (Image image = new Bitmap(watermarImagePath))
{
using (ImageAttributes imageAttr = new ImageAttributes())
{
ColorMap map = new ColorMap();
map.OldColor = Color.FromArgb(0xff, 0, 0xff, 0);
map.NewColor = Color.FromArgb(0, 0, 0, 0);
ColorMap[] mapArray = new ColorMap[] { map };
imageAttr.SetRemapTable(mapArray, ColorAdjustType.Bitmap);
float[][] numArray2 = new float[5][];
float[] numArray3 = new float[5];
numArray3[0] = 1f;
numArray2[0] = numArray3;
numArray3 = new float[5];
numArray3[1] = 1f;
numArray2[1] = numArray3;
numArray3 = new float[5];
numArray3[2] = 1f;
numArray2[2] = numArray3;
numArray3 = new float[5];
numArray3[3] = alpha;
numArray2[3] = numArray3;
numArray3 = new float[5];
numArray3[4] = 1f;
numArray2[4] = numArray3;
float[][] newColorMatrix = numArray2;
ColorMatrix matrix = new ColorMatrix(newColorMatrix);
imageAttr.SetColorMatrix(matrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
int x = 0;
int y = 0;
switch (WaterMarkPositions)
{
case WaterMarkPositions.LeftTop:
x = 10;
y = 10;
break;
case WaterMarkPositions.CenterTop:
x = (imageWidth - image.Width) / 2;
y = 10;
break;
case WaterMarkPositions.RightTop:
x = imageWidth - image.Width - 10;
y = 10;
break;
case WaterMarkPositions.LeftMiddle:
x = 10;
y = (imageHeight - image.Height) / 2;
break;
case WaterMarkPositions.Center:
x = (imageWidth - image.Width) / 2;
y = (imageHeight - image.Height) / 2;
break;
case WaterMarkPositions.RightMiddle:
x = imageWidth - image.Width - 10;
y = (imageHeight - image.Height) / 2;
break;
case WaterMarkPositions.LeftBottom:
x = 10;
y = imageHeight - image.Height - 10;
break;
case WaterMarkPositions.CenterBottom:
x = (imageWidth - image.Width) / 2;
y = imageHeight - image.Height - 10;
break;
case WaterMarkPositions.RightBottom:
x = imageWidth - image.Width - 10;
y = imageHeight - image.Height - 10;
break;
}
graphics.DrawImage(image, new Rectangle(x, y, image.Width, image.Height), 0, 0, image.Width, image.Height, GraphicsUnit.Pixel, imageAttr);
image.Dispose();
imageAttr.Dispose();
}
}
}
return graphics;
}
private void PaintIcon(Graphics g, Bitmap bmp, Rectangle bounds, Color foreColor)
{
Rectangle bmpRect = new Rectangle(this.DataGridView.RightToLeftInternal ?
bounds.Right - DATAGRIDVIEWROWHEADERCELL_iconMarginWidth - DATAGRIDVIEWROWHEADERCELL_iconsWidth :
bounds.Left + DATAGRIDVIEWROWHEADERCELL_iconMarginWidth,
bounds.Y + (bounds.Height - DATAGRIDVIEWROWHEADERCELL_iconsHeight)/2,
DATAGRIDVIEWROWHEADERCELL_iconsWidth,
DATAGRIDVIEWROWHEADERCELL_iconsHeight);
colorMap[0].NewColor = foreColor;
colorMap[0].OldColor = Color.Black;
ImageAttributes attr = new ImageAttributes();
attr.SetRemapTable(colorMap, ColorAdjustType.Bitmap);
g.DrawImage(bmp, bmpRect, 0, 0, DATAGRIDVIEWROWHEADERCELL_iconsWidth, DATAGRIDVIEWROWHEADERCELL_iconsHeight, GraphicsUnit.Pixel, attr);
attr.Dispose();
}
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);
}
/// <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">附加图片质量，1是 0不是</param>
/// <param name="watermarkTransparency">水印的透明度 1--10 10为不透明</param>
public static void AddImageSignPic(Image img, string filename, string watermarkFilename, int watermarkStatus, int quality, int watermarkTransparency)
{
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);
//g.DrawImage(watermark, new System.Drawing.Rectangle(xpos, ypos, watermark.Width, watermark.Height), 0, 0, watermark.Width, watermark.Height, System.Drawing.GraphicsUnit.Pixel);
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)
{
try
{
img.Save(filename, ici, encoderParams);
}
catch (Exception ex)
{
System.Console.WriteLine(ex.Message);
}
}
else
{
img.Save(filename);
}
g.Dispose();
img.Dispose();
watermark.Dispose();
imageAttributes.Dispose();
}
/// <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);
}
/// <summary>
/// Constrasts an image.
/// http://bobpowell.net/image_contrast.aspx
/// </summary>
/// <param name="bmp"></param>
/// <param name="value"></param>
/// <returns></returns>
public static Image Contrast(Image bmp, float value)
{
Image bmpNew = null;
try
{
var matrix = new float[][] {
new float[] {value, 0, 0, 0, 0},
new float[] {0, value, 0, 0, 0},
new float[] {0, 0, value, 0, 0},
new float[] {0, 0, 0, 1f, 0},
//including the BLATANT FUDGE
new float[] {0.001f, 0.001f, 0.001f, 0, 1f}
};
ColorMatrix cm = new ColorMatrix(matrix);
ImageAttributes ia = new ImageAttributes();
ia.SetColorMatrix(cm);
bmpNew = new Bitmap(bmp.Width, bmp.Height);
((Bitmap)bmpNew).SetResolution(bmp.HorizontalResolution, bmp.VerticalResolution);
using (Graphics g = Graphics.FromImage(bmpNew))
{
g.DrawImage(bmp, new Rectangle(0, 0, bmp.Width, bmp.Height), 0, 0, bmp.Width, bmp.Height, GraphicsUnit.Pixel, ia);
ia.Dispose();
}
}
catch
{
if (bmpNew != null)
{
bmpNew.Dispose();
bmpNew = null;
}
}
return bmpNew;
}
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>
/// Resizes the specified image to the specifed size.
/// </summary>
/// <param name="image">The image to resize.</param>
/// <param name="width">The width in pixels of the resized image.</param>
/// <param name="height">The height in pixels of the resized image.</param>
/// <param name="dispose">The value indicating whether to dispose the specified image after returning the new resized bitmap.</param>
/// <returns>The specifed image, resized to the specified size.</returns>
/// <exception cref="System.ArgumentNullException">
/// Thrown when 'image' is null.
/// </exception>
/// <exception cref="System.ArgumentOutOfRangeException">
/// Thrown when 'width' is less than 0.
/// - OR -
/// Thrown when 'height' is less than 0.
/// </exception>
public static Bitmap ResizeImage(Image image, int width, int height, bool dispose = true)
{
// http://stackoverflow.com/questions/1922040/resize-an-image-c-sharp
if (image == null)
throw new ArgumentNullException(nameof(image));
if (width < 0)
throw new ArgumentOutOfRangeException(nameof(width), width, "'" + nameof(width) + "' cannot be less than 0.");
if (height < 0)
throw new ArgumentOutOfRangeException(nameof(height), height, "'" + nameof(height) + "' cannot be less than 0.");
Bitmap bitmap = new Bitmap(width, height);
Graphics graphics = Graphics.FromImage(bitmap);
ImageAttributes attributes = new ImageAttributes();
#region >> Sets settings for high quality resizing
bitmap.SetResolution(image.HorizontalResolution, image.VerticalResolution);
graphics.CompositingMode = CompositingMode.SourceCopy;
graphics.CompositingQuality = CompositingQuality.HighQuality;
graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
graphics.SmoothingMode = SmoothingMode.HighQuality;
graphics.PixelOffsetMode = PixelOffsetMode.HighQuality;
attributes.SetWrapMode(WrapMode.TileFlipXY);
#endregion
graphics.DrawImage(image, new Rectangle(0, 0, width, height), 0, 0, image.Width, image.Height, GraphicsUnit.Pixel, attributes);
if (dispose) image.Dispose();
graphics.Dispose();
attributes.Dispose();
return bitmap;
}
private void ContrastTrackBar_Scroll(object sender, EventArgs e)
{
contrast = 0.04f * ContrastTrackBar.Value;
Bitmap bmp = new Bitmap(picture.Width, picture.Height);
Graphics g = Graphics.FromImage(bmp);
ImageAttributes imageAttr = new ImageAttributes();
ColorMatrix cm = new ColorMatrix(new float[][] {
new float[]{contrast,0f,0f,0f,0f},
new float[]{0f,contrast,0f,0f,0f},
new float[]{0f,0f,contrast,0f,0f},
new float[]{0f,0f,0f,1f,0f},
new float[]{0.001f,0.001f,0.001f,0f,1f}});
imageAttr.SetColorMatrix(cm);
g.DrawImage(picture, new Rectangle(0, 0, picture.Width, picture.Height), 0, 0, picture.Width, picture.Height, GraphicsUnit.Pixel, imageAttr);
g.Dispose();
imageAttr.Dispose();
pictureBox1.Image = bmp;
SaveAction(bmp);
}
/// <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();
}
public static string CreateWeaterPicture(string paraOldFileName, string paraNewsFileName, string AddPicture, string FileExtensionName)
{
System.Drawing.Image image = System.Drawing.Image.FromFile(paraOldFileName);
System.Drawing.Image copyImage = System.Drawing.Image.FromFile(AddPicture);
ImageAttributes imageAttributes = new ImageAttributes();
ColorMap colorMap = new ColorMap();
colorMap.OldColor = Color.FromArgb(200, 0, 200, 0);
colorMap.NewColor = Color.FromArgb(0, 0, 0, 0);
ColorMap[] remapTable = { colorMap };
imageAttributes.SetRemapTable(remapTable, ColorAdjustType.Bitmap);
Single WaterMark_Transparency = 0.9f;
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, WaterMark_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);
Graphics g = Graphics.FromImage(image);
//设定合成图像的质量
g.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
//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;
int xPos = image.Width - copyImage.Width - 10;
int yPos = image.Height - copyImage.Height - 10;
int WaterMark_Position = 4;
switch (WaterMark_Position)//==========从图片的左上角开始算起(0,0)
{
case 1:
xPos = 10;
yPos = 10;
break;
case 2:
xPos = image.Width - copyImage.Width - 10;
yPos = 10;
break;
case 3:
xPos = 10;
yPos = image.Height - copyImage.Height - 10;
break;
case 4:
xPos = image.Width - copyImage.Width - 10;
yPos = image.Height - copyImage.Height - 10;
break;
}
g.DrawImage(copyImage, new Rectangle(xPos, yPos, copyImage.Width, copyImage.Height), 0, 0, copyImage.Width, copyImage.Height, GraphicsUnit.Pixel, imageAttributes);
switch (FileExtensionName.ToLower())
{
case ".jpg":
case ".jpeg":
image.Save(System.Web.HttpContext.Current.Response.OutputStream, System.Drawing.Imaging.ImageFormat.Jpeg);
break;
case ".gif":
image.Save(System.Web.HttpContext.Current.Response.OutputStream, System.Drawing.Imaging.ImageFormat.Gif);
break;
case ".bmp":
image.Save(System.Web.HttpContext.Current.Response.OutputStream, System.Drawing.Imaging.ImageFormat.Bmp);
break;
case ".png":
image.Save(System.Web.HttpContext.Current.Response.OutputStream, System.Drawing.Imaging.ImageFormat.Png);
break;
}
g.Dispose();
image.Save(paraNewsFileName);
image.Dispose();
imageAttributes.Dispose();
HttpContext.Current.Response.Clear();
if (File.Exists(paraOldFileName) == true)
{
File.Delete(paraOldFileName);
}
return paraNewsFileName;
}
/// <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();
}
}
private static void MakeTransparent(string p)
{
FileStream fs = new FileStream(p, FileMode.Open, FileAccess.Read);
MemoryStream ms = new MemoryStream();
fs.CopyTo(ms);
ms.Position = 0;
fs.Close();
using (Image original = new Bitmap(ms))
{
using (Bitmap image = new Bitmap(original.Width, original.Height, PixelFormat.Format32bppArgb))
{
Graphics g = Graphics.FromImage(image);
ImageAttributes ia = new ImageAttributes();
ia.SetColorKey(Color.FromArgb(0, 0xde, 0), Color.FromArgb(33, 255, 5));
g.DrawImage(
original,
new Rectangle(0, 0, original.Width, original.Height),
0,
0,
original.Width,
original.Height,
GraphicsUnit.Pixel,
ia);
image.Save(p, ImageFormat.Png);
g.Dispose();
ia.Dispose();
}
}
}
/// <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();
}
}
private static void DrawImageColorized(Graphics graphics, Image image, Rectangle destination, ColorMatrix matrix)
{
if (graphics == null)
{
throw new ArgumentNullException("graphics");
}
ImageAttributes imageAttrs = new ImageAttributes();
imageAttrs.SetColorMatrix(matrix);
graphics.DrawImage(image, destination, 0, 0, image.Width, image.Height, GraphicsUnit.Pixel, imageAttrs, null, IntPtr.Zero);
imageAttrs.Dispose();
}
protected virtual void OnRenderItemImage (ToolStripItemImageRenderEventArgs e)
{
bool need_dispose = false;
Image i = e.Image;
if (e.Item.RightToLeft == RightToLeft.Yes && e.Item.RightToLeftAutoMirrorImage == true) {
i = CreateMirrorImage (i);
need_dispose = true;
}
if (e.Item.ImageTransparentColor != Color.Empty) {
ImageAttributes ia = new ImageAttributes ();
ia.SetColorKey (e.Item.ImageTransparentColor, e.Item.ImageTransparentColor);
e.Graphics.DrawImage (i, e.ImageRectangle, 0, 0, i.Width, i.Height, GraphicsUnit.Pixel, ia);
ia.Dispose ();
}
else
e.Graphics.DrawImage (i, e.ImageRectangle);
if (need_dispose)
i.Dispose ();
ToolStripItemImageRenderEventHandler eh = (ToolStripItemImageRenderEventHandler)Events [RenderItemImageEvent];
if (eh != null)
eh (this, e);
}
/// <summary>
/// 加图片水印
/// </summary>
/// <param name="img">图片</param>
/// <param name="watermarkPath">水印文件名</param>
public static MemoryStream AddImageWatermark(Image img, string watermarkPath)
{
int watermarkStatus = 9;//水印位置
int watermarkTransparency = 5;//水印透明度
Graphics g;
try
{
g = Graphics.FromImage(img);
}
catch (Exception)
{
Bitmap bitmap = new Bitmap(img.Width, img.Height);
g = Graphics.FromImage(bitmap);
g.DrawImage(img, 0, 0, img.Width, img.Height);
}
//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(watermarkPath);
if (watermark.Height >= img.Height || watermark.Width >= img.Width)
{
try
{
return AddImageSignText(img, "易车网", watermarkStatus, 80, "Tahoma", 12);
}
catch (Exception)
{
}
}
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);
MemoryStream s = new MemoryStream();
img.Save(s, GDI.GetEncoder(ImageFormat.Jpeg), GDI.LosslessParam);
g.Dispose();
img.Dispose();
watermark.Dispose();
imageAttributes.Dispose();
return s;
}
/// <summary>
/// This gets called to instruct the element to draw itself in the appropriate spot of the graphics object
/// </summary>
/// <param name="g">The graphics object to draw to</param>
/// <param name="printing">Boolean, true if this is being drawn to a print document</param>
public override void Draw(Graphics g, bool printing)
{
//This color matrix is used to adjust how the image is drawn to the graphics object
float bright = _brightness / 255.0F;
float cont = (_contrast + 255.0F) / 255.0F;
float[][] colorArray = {new[] {cont, 0, 0, 0, 0},
new[] {0, cont, 0, 0, 0},
new[] {0, 0, cont, 0, 0},
new float[] {0, 0, 0, 1, 0},
new[] {bright, bright, bright, 0, 1}};
ColorMatrix cm = new ColorMatrix(colorArray);
ImageAttributes imgAttrib = new ImageAttributes();
imgAttrib.SetColorMatrix(cm);
//Defines a parallelgram where the image is to be drawn
PointF[] destPoints = new[]{LocationF,
new PointF(LocationF.X + Size.Width, LocationF.Y),
new PointF(LocationF.X, LocationF.Y + Size.Height)};
Rectangle srcRect;
//When printing we use this code
if (printing)
{
//Open the original and gets its rectangle
Bitmap original = new Bitmap(_fileName);
srcRect = new Rectangle(0, 0, _bitmap.Width, _bitmap.Height);
//Modifies the parallelogram if we are preserving aspect ration
if (_preserveAspectRatio)
{
if ((Size.Width / original.Width) < (Size.Height / original.Height))
destPoints[2] = new PointF(LocationF.X, LocationF.Y + (Size.Width * original.Height / original.Width));
else
destPoints[1] = new PointF(LocationF.X + (Size.Height * original.Width / original.Height), LocationF.Y);
}
//Draws the bitmap
g.DrawImage(_bitmap, destPoints, srcRect, GraphicsUnit.Pixel, imgAttrib);
//Clean up and return
imgAttrib.Dispose();
original.Dispose();
return;
}
//If we are not resizing and in Draft mode
if (Resizing == false && Draft)
{
if (File.Exists(_fileName))
{
if ((_bitmap == null) || (_bitmap != null && _bitmap.Width != Convert.ToInt32(Size.Width)))
{
Bitmap original = new Bitmap(_fileName);
if (_bitmap != null) _bitmap.Dispose();
_bitmap = new Bitmap(Convert.ToInt32(Size.Width), Convert.ToInt32(Size.Width * original.Height / original.Width), PixelFormat.Format32bppArgb);
Graphics graph = Graphics.FromImage(_bitmap);
graph.DrawImage(original, 0, 0, _bitmap.Width, _bitmap.Height);
original.Dispose();
graph.Dispose();
}
}
}
if (_bitmap == null) return;
//Modifies the parallelogram if we are preserving aspect ration
if (_preserveAspectRatio)
{
if ((Size.Width / _bitmap.Width) < (Size.Height / _bitmap.Height))
destPoints[2] = new PointF(LocationF.X, LocationF.Y + (Size.Width * _bitmap.Height / _bitmap.Width));
else
destPoints[1] = new PointF(LocationF.X + (Size.Height * _bitmap.Width / _bitmap.Height), LocationF.Y);
}
//Draws the bitmap to the screen
srcRect = new Rectangle(0, 0, _bitmap.Width, _bitmap.Height);
g.DrawImage(_bitmap, destPoints, srcRect, GraphicsUnit.Pixel, imgAttrib);
}
public static void GrayScaleImage(Image source, float lum)
{
// create image attributes to blit image into itself with.
ImageAttributes ia = new ImageAttributes();
// create gray scale color matrix that will also translate colors according to brightness.
// NOTE: The alpha translate is 0.0 so that transparent pixels will be unaffected.
ColorMatrix cm = new ColorMatrix();
cm[0, 0] = kR; cm[0, 1] = kR; cm[0, 2] = kR; cm[0, 3] = 0.0f; cm[0, 4] = 0.0f;
cm[1, 0] = kG; cm[1, 1] = kG; cm[1, 2] = kG; cm[1, 3] = 0.0f; cm[1, 4] = 0.0f;
cm[2, 0] = kB; cm[2, 1] = kB; cm[2, 2] = kB; cm[2, 3] = 0.0f; cm[2, 4] = 0.0f;
cm[3, 0] = 0.000f; cm[3, 1] = 0.000f; cm[3, 2] = 0.000f; cm[3, 3] = 1.0f; cm[3, 4] = 0.0f;
cm[4, 0] = lum; cm[4, 1] = lum; cm[4, 2] = lum; cm[4, 3] = 0.0f; cm[4, 4] = 1.0f;
// associate matrix with attributes
ia.SetColorMatrix(cm);
// get a graphics for source image
Graphics g = Graphics.FromImage(source);
// set compositing mode to copy over
g.CompositingMode = CompositingMode.SourceCopy;
// turn off aliasing etc
g.InterpolationMode = InterpolationMode.NearestNeighbor;
g.SmoothingMode = SmoothingMode.None;
// create destination rectangle
Rectangle d = new Rectangle(0, 0, source.Width, source.Height);
// paint into self
g.DrawImage(source, d, 0, 0, source.Width, source.Height, GraphicsUnit.Pixel, ia);
// cleanup
ia.Dispose();
g.Dispose();
}
public static Bitmap ColorizeBitmap(Bitmap original, SColorF color)
{
Bitmap newBitmap = new Bitmap(original.Width, original.Height);
Graphics g = Graphics.FromImage(newBitmap);
ColorMatrix cm = new ColorMatrix();
cm.Matrix33 = color.A;
cm.Matrix00 = color.R;
cm.Matrix11 = color.G;
cm.Matrix22 = color.B;
cm.Matrix44 = 1;
ImageAttributes ia = new ImageAttributes();
ia.SetColorMatrix(cm);
g.DrawImage(original, new Rectangle(0, 0, original.Width, original.Height),
0, 0, original.Width, original.Height, GraphicsUnit.Pixel, ia);
ia.Dispose();
g.Dispose();
return newBitmap;
}
/// <summary>
/// Uniformly scale RGB channels to change brightness. useful values are -1 to 1 with 0.0f
/// causing no change
/// </summary>
/// <param name="source"></param>
/// <param name="luminance"></param>
public static void SetBrightness(Image source, float bt)
{
// create image attributes
ImageAttributes ia = new ImageAttributes();
// create color matrix used to scale the channels
ColorMatrix cm = new ColorMatrix();
cm[0, 0] = 1.0f; cm[0, 1] = 0.0f; cm[0, 2] = 0.0f; cm[0, 3] = 0.0f; cm[0, 4] = 0.0f;
cm[1, 0] = 0.0f; cm[1, 1] = 1.0f; cm[1, 2] = 0.0f; cm[1, 3] = 0.0f; cm[1, 4] = 0.0f;
cm[2, 0] = 0.0f; cm[2, 1] = 0.0f; cm[2, 2] = 1.0f; cm[2, 3] = 0.0f; cm[2, 4] = 0.0f;
cm[3, 0] = 0.0f; cm[3, 1] = 0.0f; cm[3, 2] = 0.0f; cm[3, 3] = 1.0f; cm[3, 4] = 0.0f;
cm[4, 0] = bt; cm[4, 1] = bt; cm[4, 2] = bt; cm[4, 3] = 0.0f; cm[4, 4] = 1.0f;
// set matrix into attributes
ia.SetColorMatrix(cm);
// get a graphics for source image
Graphics g = Graphics.FromImage(source);
// set compositing mode to copy over
g.CompositingMode = CompositingMode.SourceCopy;
// turn off aliasing etc
g.InterpolationMode = InterpolationMode.NearestNeighbor;
g.SmoothingMode = SmoothingMode.None;
// create destination rectangle
Rectangle d = new Rectangle(0, 0, source.Width, source.Height);
// paint into self
g.DrawImage(source, d, 0, 0, source.Width, source.Height, GraphicsUnit.Pixel, ia);
// cleanup
ia.Dispose();
g.Dispose();
}
public override void Render(GdiGraphicsRenderer renderer)
{
GdiGraphicsWrapper graphics = renderer.GraphicsWrapper;
SvgImageElement iElement = (SvgImageElement)element;
ImageAttributes imageAttributes = new ImageAttributes();
string sOpacity = iElement.GetPropertyValue("opacity");
if (sOpacity != null && sOpacity.Length > 0)
{
double opacity = SvgNumber.ParseNumber(sOpacity);
ColorMatrix myColorMatrix = new ColorMatrix();
myColorMatrix.Matrix00 = 1.00f; // Red
myColorMatrix.Matrix11 = 1.00f; // Green
myColorMatrix.Matrix22 = 1.00f; // Blue
myColorMatrix.Matrix33 = (float)opacity; // alpha
myColorMatrix.Matrix44 = 1.00f; // w
imageAttributes.SetColorMatrix(myColorMatrix,
ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
}
float width = (float)iElement.Width.AnimVal.Value;
float height = (float)iElement.Height.AnimVal.Value;
//Rectangle destRect = new Rectangle(Convert.ToInt32(iElement.X.AnimVal.Value),
// Convert.ToInt32(iElement.Y.AnimVal.Value),
// Convert.ToInt32(width), Convert.ToInt32(height));
RectangleF destRect = new RectangleF((float)iElement.X.AnimVal.Value,
(float)iElement.Y.AnimVal.Value, (float)iElement.Width.AnimVal.Value,
(float)iElement.Height.AnimVal.Value);
Image image = null;
if (iElement.IsSvgImage)
{
SvgWindow wnd = GetSvgWindow();
_embeddedRenderer.BackColor = Color.Empty;
_embeddedRenderer.Render(wnd.Document);
image = _embeddedRenderer.RasterImage;
}
else
{
image = GetBitmap(iElement);
}
if (image != null)
{
//graphics.DrawImage(this, image, destRect, 0f, 0f,
// image.Width, image.Height, GraphicsUnit.Pixel, imageAttributes);
// code extracted from FitToViewbox
SvgPreserveAspectRatio spar = (SvgPreserveAspectRatio)iElement.PreserveAspectRatio.AnimVal ?? new SvgPreserveAspectRatio("none", iElement);
double[] translateAndScale =
spar.FitToViewBox(new SvgRect(0, 0, image.Width, image.Height),
new SvgRect(destRect.X, destRect.Y, destRect.Width, destRect.Height));
graphics.TranslateTransform((float)translateAndScale[0], (float)translateAndScale[1]);
graphics.ScaleTransform((float)translateAndScale[2], (float)translateAndScale[3]);
graphics.DrawImage(this, image, new Rectangle(0, 0, image.Width, image.Height), 0f, 0f,
image.Width, image.Height, GraphicsUnit.Pixel, imageAttributes);
image.Dispose();
image = null;
}
if (_embeddedRenderer != null)
{
_embeddedRenderer.Dispose();
_embeddedRenderer = null;
}
if (imageAttributes != null)
{
imageAttributes.Dispose();
imageAttributes = null;
}
}
/// <summary>
/// Redraw image into itself using the given gamma correction. 0.1 to 5.0 are allowed. 2.0 produces no change
/// </summary>
/// <param name="source"></param>
/// <param name="luminance"></param>
public static void SetGamma(Image source, float _gamma)
{
// clamp to range
float gamma = Math.Max(0.1f, Math.Min(_gamma, 5.0f));
// create image attributes
ImageAttributes ia = new ImageAttributes();
ia.SetGamma(gamma);
// get a graphics for source image
Graphics g = Graphics.FromImage(source);
// set compositing mode to copy over
g.CompositingMode = CompositingMode.SourceCopy;
// turn off aliasing etc
g.InterpolationMode = InterpolationMode.NearestNeighbor;
g.SmoothingMode = SmoothingMode.None;
// create destination rectangle
Rectangle d = new Rectangle(0, 0, source.Width, source.Height);
// paint into self
g.DrawImage(source, d, 0, 0, source.Width, source.Height, GraphicsUnit.Pixel, ia);
// cleanup
ia.Dispose();
g.Dispose();
}
/// <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();
}
/// <summary>
/// Threshold the image using the given value.
/// </summary>
/// <param name="source image ( will be overwritten with thresholded image)"></param>
/// <param name="the threshold value ( 0..1)"></param>
public static void ThresholdImage(Image source, float t)
{
// create image attributes to blit image into itself with.
ImageAttributes ia = new ImageAttributes();
ia.SetThreshold(t);
// get a graphics for source image
Graphics g = Graphics.FromImage(source);
// set compositing mode to copy over
g.CompositingMode = CompositingMode.SourceCopy;
// turn off aliasing etc
g.InterpolationMode = InterpolationMode.NearestNeighbor;
g.SmoothingMode = SmoothingMode.None;
// create destination rectangle
Rectangle d = new Rectangle(0, 0, source.Width, source.Height);
// paint into self
g.DrawImage(source, d, 0, 0, source.Width, source.Height, GraphicsUnit.Pixel, ia);
// cleanup
ia.Dispose();
g.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();
}
// While still in design this function draws directly to the component.
// Once design is complete it will paint to a image, then the image painted to the component for a little speed boost.
private void DrawKillCircles(Graphics g, Kill kKill, KillDisplayDetails kddKillDetails) {
PointF pntLineStart = new PointF((float)kKill.KillerLocation.X, (float)kKill.KillerLocation.Y);
PointF pntLineEnd = new PointF((float)kKill.VictimLocation.X, (float)kKill.VictimLocation.Y);
PointF pntLineHalfway = new PointF(pntLineStart.X - (pntLineStart.X - pntLineEnd.X) / 2, pntLineStart.Y - (pntLineStart.Y - pntLineEnd.Y) / 2 - 3);
PointF pntLineHalfway2 = new PointF(pntLineStart.X - (pntLineStart.X - pntLineEnd.X) / 2, pntLineStart.Y - (pntLineStart.Y - pntLineEnd.Y) / 2 - 4);
LinearGradientBrush killBrush = this.GetKillColour(this.KillColours, kKill, kddKillDetails);
GraphicsPath gpKillCircles = new GraphicsPath();
gpKillCircles.AddEllipse(new Rectangle(kKill.KillerLocation.X - this.ErrorRadius, kKill.KillerLocation.Y - this.ErrorRadius, this.ErrorRadius * 2, this.ErrorRadius * 2));
gpKillCircles.AddEllipse(new Rectangle(kKill.VictimLocation.X - this.ErrorRadius, kKill.VictimLocation.Y - this.ErrorRadius, this.ErrorRadius * 2, this.ErrorRadius * 2));
gpKillCircles.FillMode = FillMode.Winding;
//GraphicsPath gpKill = new GraphicsPath();
GraphicsPath gpKill = (GraphicsPath)gpKillCircles.Clone();
gpKill.AddClosedCurve(new PointF[] { pntLineStart, pntLineHalfway, pntLineEnd, pntLineHalfway2 });
//gpKill.AddEllipse(new Rectangle(kKill.KillerLocation.X - this.ErrorRadius, kKill.KillerLocation.Y - this.ErrorRadius, this.ErrorRadius * 2, this.ErrorRadius * 2));
//gpKill.AddEllipse(new Rectangle(kKill.VictimLocation.X - this.ErrorRadius, kKill.VictimLocation.Y - this.ErrorRadius, this.ErrorRadius * 2, this.ErrorRadius * 2));
gpKill.FillMode = FillMode.Winding;
GraphicsPath gpKillOutline = (GraphicsPath)gpKill.Clone();
//GraphicsPath gpKillOutline = new GraphicsPath(gpKill.PathPoints, gpKill.PathTypes);
Matrix gpKillMatrix = new Matrix();
gpKillOutline.Widen(this.m_pTwoWidth, gpKillMatrix, 0.01F);
Region reKillOutline = new Region(gpKillOutline);
reKillOutline.Exclude(gpKill);
reKillOutline.Exclude(gpKillCircles);
Region reKill = new Region(gpKill);
reKill.Union(gpKillCircles);
//Region reKillDropshadow = new Region(gpKill);
//reKillDropshadow.Union(gpKillCircles);
//reKillDropshadow.Union(reKillOutline);
//reKillDropshadow.Translate(0.4F, 1.0F);
if (reKill.IsVisible(this.ClientPointToGame(this.PointToClient(Cursor.Position))) == true) {
kddKillDetails.IsMouseOver = true;
kddKillDetails.Opacity = 1.0F;
}
else {
kddKillDetails.IsMouseOver = false;
}
//g.FillRegion(new SolidBrush(Color.FromArgb((int)(64.0F * kddKillDetails.Opacity), Color.Black)), reKillDropshadow);
g.FillRegion(killBrush, reKill);
g.FillRegion(new SolidBrush(Color.FromArgb((int)(255.0F * kddKillDetails.Opacity), Color.Black)), reKillOutline);
if (this.LoadedMapImagePack != null) {
Image imgDeathIcon = null;
if (kKill.Headshot == true) {
imgDeathIcon = this.LoadedMapImagePack.CompensateImageRotation(this.LoadedMapImagePack.GetIcon("Headshot"));
}
else {
imgDeathIcon = this.LoadedMapImagePack.CompensateImageRotation(this.LoadedMapImagePack.GetIcon("Death"));
}
if (imgDeathIcon != null) {
ColorMatrix colormatrix = new ColorMatrix();
colormatrix.Matrix00 = 1.0F;
colormatrix.Matrix11 = 1.0F;
colormatrix.Matrix22 = 1.0F;
colormatrix.Matrix33 = kddKillDetails.Opacity;
colormatrix.Matrix44 = 1.0F;
ImageAttributes imgattr = new ImageAttributes();
imgattr.SetColorMatrix(colormatrix);
Rectangle destRect = new Rectangle((int)pntLineEnd.X - 12, (int)pntLineEnd.Y - 12, 24, 24);
g.DrawImage(imgDeathIcon, destRect, 0, 0, imgDeathIcon.Width, imgDeathIcon.Height, GraphicsUnit.Pixel, imgattr);
imgattr.Dispose();
imgDeathIcon.Dispose();
}
}
this.DrawMapText(g, kKill.Victim.SoldierName, kKill.VictimLocation, 16, kddKillDetails.Opacity);
this.DrawMapText(g, kKill.Killer.SoldierName, kKill.KillerLocation, 16, kddKillDetails.Opacity);
killBrush.Dispose();
gpKillCircles.Dispose();
gpKill.Dispose();
gpKillOutline.Dispose();
gpKillMatrix.Dispose();
reKill.Dispose();
}
