public static void AddPic(string Path, string Path_syp, string Path_sypf, WaterPosition waterPosition)
{
Image image = Image.FromFile(Path);
Image image2 = Image.FromFile(Path_sypf);
Graphics graphics = Graphics.FromImage(image);
int x = 0;
int y = 0;
ImageWater.GetPosition(image, image2, out x, out y, waterPosition);
graphics.DrawImage(image2, new Rectangle(x, y, image2.Width, image2.Height), 0, 0, image2.Width, image2.Height, GraphicsUnit.Pixel);
graphics.Dispose();
image.Save(Path_syp);
image.Dispose();
}
public static void AddPic(string filePaths, string waterFile, WaterPosition waterPosition)
{
int num = filePaths.LastIndexOf(".");
string strA = filePaths.Substring(num, filePaths.Length - num);
if (string.Compare(strA, ".gif", true) == 0)
{
return;
}
int num2 = 25;
Image image = null;
Image image2 = null;
Graphics graphics = null;
try
{
image = Image.FromFile(filePaths, true);
image2 = Image.FromFile(waterFile, true);
graphics = Graphics.FromImage(image);
int x = 0;
int y = 0;
ImageWater.GetPosition(image, image2, out x, out y, waterPosition);
float[][] array = new float[5][];
float[][] arg_86_0 = array;
int arg_86_1 = 0;
float[] array2 = new float[5];
array2[0] = 1f;
arg_86_0[arg_86_1] = array2;
float[][] arg_9D_0 = array;
int arg_9D_1 = 1;
float[] array3 = new float[5];
array3[1] = 1f;
arg_9D_0[arg_9D_1] = array3;
float[][] arg_B4_0 = array;
int arg_B4_1 = 2;
float[] array4 = new float[5];
array4[2] = 1f;
arg_B4_0[arg_B4_1] = array4;
float[][] arg_C8_0 = array;
int arg_C8_1 = 3;
float[] array5 = new float[5];
array5[3] = (float)num2;
arg_C8_0[arg_C8_1] = array5;
array[4] = new float[]
{
0f,
0f,
0f,
0f,
1f
};
float[][] newColorMatrix = array;
ColorMatrix newColorMatrix2 = new ColorMatrix(newColorMatrix);
ImageAttributes imageAttributes = new ImageAttributes();
imageAttributes.SetColorMatrix(newColorMatrix2, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
graphics.DrawImage(image2, new Rectangle(x, y, image2.Width, image2.Height), 0, 0, image2.Width, image2.Height, GraphicsUnit.Pixel, imageAttributes);
FileInfo fileInfo = new FileInfo(filePaths);
ImageFormat format = ImageFormat.Gif;
string key;
switch (key = fileInfo.Extension.ToLower())
{
case ".jpg":
format = ImageFormat.Jpeg;
break;
case ".gif":
format = ImageFormat.Gif;
break;
case ".png":
format = ImageFormat.Png;
break;
case ".bmp":
format = ImageFormat.Bmp;
break;
case ".tif":
format = ImageFormat.Tiff;
break;
case ".wmf":
format = ImageFormat.Wmf;
break;
case ".ico":
format = ImageFormat.Icon;
break;
}
MemoryStream memoryStream = new MemoryStream();
image.Save(memoryStream, format);
byte[] array6 = memoryStream.ToArray();
image.Dispose();
image2.Dispose();
graphics.Dispose();
File.Delete(filePaths);
FileStream fileStream = new FileStream(filePaths, FileMode.Create, FileAccess.Write);
if (fileStream != null)
{
fileStream.Write(array6, 0, array6.Length);
fileStream.Close();
}
}
finally
{
try
{
image2.Dispose();
image.Dispose();
graphics.Dispose();
}
catch
{
}
}
}
private static void GetPosition(Image image, Image copyImage, out int x, out int y, WaterPosition waterPosition)
{
switch (waterPosition)
{
case WaterPosition.TOP:
x = (image.Width - copyImage.Width) / 2;
y = 0;
return;
case WaterPosition.CENTER:
x = (image.Width - copyImage.Width) / 2;
y = (image.Height - copyImage.Height) / 2;
return;
case WaterPosition.LEFT:
x = 0;
y = (image.Height - copyImage.Height) / 2;
return;
case WaterPosition.LEFTUPCORNER:
x = 0;
y = 0;
return;
case WaterPosition.LEFTBOMCORNER:
x = 0;
y = image.Height - copyImage.Height;
return;
case WaterPosition.RIGHT:
x = image.Width - copyImage.Width;
y = (image.Height - copyImage.Height) / 2;
return;
case WaterPosition.RIGHTUPCORNER:
x = image.Width - copyImage.Width;
y = 0;
return;
case WaterPosition.RIGHTBOMCORNER:
x = image.Width - copyImage.Width;
y = image.Height - copyImage.Height;
return;
case WaterPosition.BOTTOM:
x = (image.Width - copyImage.Width) / 2;
y = image.Height - copyImage.Height;
return;
default:
x = image.Width - copyImage.Width;
y = image.Height - copyImage.Height;
return;
}
}
/// <summary>
/// 在图片上生成图片水印 create by kouzp 2014-02-13
/// </summary>
/// <param name="imagePath">原图片路径</param>
/// <param name="savePath">加水印后图片保存路径</param>
/// <param name="waterPicPath">水印图片路径</param>
/// <param name="position">水印位置</param>
/// <param name="alpha">水印透明度</param>
public static void AddWaterPic(string imagePath, string savePath, string waterPicPath, WaterPosition position = WaterPosition.RigthBottom, double alpha = 0.3)
{
System.Drawing.Image image = System.Drawing.Image.FromFile(imagePath);
System.Drawing.Image copyImage = System.Drawing.Image.FromFile(waterPicPath);
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(image);
g.SmoothingMode = SmoothingMode.AntiAlias;
//与底图一样，我们需要一个位图来装载水印图片。并设定其分辨率
Bitmap bmPhoto = new Bitmap(image.Width, image.Height, PixelFormat.Format24bppRgb);
// 定义一个绘图画面用来装载位图
Graphics grPhoto = Graphics.FromImage(bmPhoto);
//同样，由于水印是图片，我们也需要定义一个Image来装载它
System.Drawing.Image imgWatermark = new Bitmap(waterPicPath);
grPhoto.SmoothingMode = SmoothingMode.AntiAlias;
// 第一次描绘，将我们的底图描绘在绘图画面上
grPhoto.DrawImage(image, new Rectangle(0, 0, image.Width, image.Height), 0, 0, image.Width, image.Height, GraphicsUnit.Pixel);
Bitmap bmWatermark = new Bitmap(bmPhoto);
bmWatermark.SetResolution(image.HorizontalResolution, image.VerticalResolution);
// 继续，将水印图片装载到一个绘图画面grWatermark
Graphics grWatermark = Graphics.FromImage(bmWatermark);
//ImageAttributes 对象包含有关在呈现时如何操作位图和图元文件颜色的信息。
ImageAttributes imageAttributes = new ImageAttributes();
//Colormap: 定义转换颜色的映射
ColorMap colorMap = new ColorMap();
//我的水印图被定义成拥有绿色背景色的图片被替换成透明
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 }, // red红色
new float[] { 0.0f, 1.0f, 0.0f, 0.0f, 0.0f }, //green绿色
new float[] { 0.0f, 0.0f, 1.0f, 0.0f, 0.0f }, //blue蓝色
new float[] { 0.0f, 0.0f, 0.0f, (float)alpha, 0.0f }, //透明度
new float[] { 0.0f, 0.0f, 0.0f, 0.0f, 1.0f }
}; //
// ColorMatrix:定义包含 RGBA 空间坐标的 5 x 5 矩阵。
// ImageAttributes 类的若干方法通过使用颜色矩阵调整图像颜色。
ColorMatrix wmColorMatrix = new ColorMatrix(colorMatrixElements);
imageAttributes.SetColorMatrix(wmColorMatrix, ColorMatrixFlag.Default,
ColorAdjustType.Bitmap);
//上面设置完颜色，下面开始设置位置
int rectX;
int rectY;
#region 水印位置
switch (position)
{
case WaterPosition.BottomMiddle:
rectX = image.Width / 2;
rectY = image.Height - copyImage.Height - 10;
break;
case WaterPosition.Center:
rectX = image.Width / 2;
rectY = image.Height / 2;
break;
case WaterPosition.LeftBottom:
rectX = copyImage.Width;
rectY = image.Height - copyImage.Height - 10;
break;
case WaterPosition.LeftTop:
rectX = copyImage.Width / 2;
rectY = copyImage.Height / 2;
break;
case WaterPosition.RightTop:
rectX = image.Width - copyImage.Width - 10;
rectY = copyImage.Height;
break;
case WaterPosition.RigthBottom:
rectX = image.Width - copyImage.Width - 10;
rectY = image.Height - copyImage.Height - 10;
break;
case WaterPosition.TopMiddle:
rectX = image.Width / 2;
rectY = copyImage.Width;
break;
default:
rectX = copyImage.Width;
rectY = image.Height - copyImage.Height - 10;
break;
}
#endregion
//第二次绘图，把水印印上去
imgWatermark = new Bitmap(waterPicPath);
grWatermark.DrawImage(imgWatermark, new Rectangle(rectX, rectY, copyImage.Width, copyImage.Height), 0, 0, copyImage.Width, copyImage.Height, GraphicsUnit.Pixel, imageAttributes);
image = bmWatermark;
grWatermark.Dispose();
g.Dispose();
string dirPath = savePath.Substring(0, savePath.LastIndexOf('/'));
DirectoryInfo dir = new DirectoryInfo(dirPath);
if (!dir.Exists)
{
dir.Create();
}
image.Save(savePath);
image.Dispose();
}
/// <summary>
/// 在图片上增加文字水印 create by kouzp 2014-02-13
/// </summary>
/// <param name="imagePath">原图片路径</param>
/// <param name="savePath">加水印后图片保存路径</param>
/// <param name="waterText">水印文字</param>
/// <param name="position">水印位置</param>
/// <param name="alpha">水印透明度</param>
public static void AddWaterText(string imagePath, string savePath, string waterText = "格男仕", WaterPosition position = WaterPosition.RigthBottom, double alpha = 0.3)
{
System.Drawing.Image image = System.Drawing.Image.FromFile(imagePath);
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(image);
g.SmoothingMode = SmoothingMode.AntiAlias;
g.DrawImage(image, 0, 0, image.Width, image.Height);
//根据图片的大小我们来确定添加上去的文字的大小
//在这里我们定义一个数组来确定
int[] sizes = new int[] { 16, 14, 12, 10, 8, 6, 4 };
//字体
Font crFont = null;
//矩形的宽度和高度，SizeF有三个属性，分别为Height高，width宽，IsEmpty是否为空
SizeF crSize = new SizeF();
//利用一个循环语句来选择我们要添加文字的型号
//直到它的长度比图片的宽度小
for (int i = 0; i < 7; i++)
{
crFont = new Font("arial", sizes[i], FontStyle.Bold);
//测量用指定的 Font 对象绘制并用指定的 StringFormat 对象格式化的指定字符串。
crSize = g.MeasureString(waterText, crFont);
// ushort 关键字表示一种整数数据类型
if ((ushort)crSize.Width < (ushort)image.Width)
{
break;
}
}
//下面定义一个矩形区域，以后在这个矩形里画上白底黑字
float rectX = 0;
float rectY = 0;
float rectWidth = crSize.Width;
float rectHeight = crSize.Height;
#region 水印位置
switch (position)
{
case WaterPosition.BottomMiddle:
rectX = image.Width / 2;
rectY = image.Height - rectHeight - 10;
break;
case WaterPosition.Center:
rectX = image.Width / 2;
rectY = image.Height / 2;
break;
case WaterPosition.LeftBottom:
rectX = rectWidth;
rectY = image.Height - rectHeight - 10;
break;
case WaterPosition.LeftTop:
rectX = rectWidth / 2;
rectY = rectHeight / 2;
break;
case WaterPosition.RightTop:
rectX = image.Width - rectWidth - 10;
rectY = rectHeight;
break;
case WaterPosition.RigthBottom:
rectX = image.Width - rectWidth - 10;
rectY = image.Height - rectHeight - 10;
break;
case WaterPosition.TopMiddle:
rectX = image.Width / 2;
rectY = rectWidth;
break;
default:
rectX = rectWidth;
rectY = image.Height - rectHeight - 10;
break;
}
#endregion
//声明矩形域
RectangleF textArea = new RectangleF(rectX, rectY, rectWidth, rectHeight);
Font font = crFont; //定义字体
int m_alpha = Convert.ToInt32(256 * alpha); //这个画笔为描绘阴影的画笔，呈灰色
Brush whiteBrush = new SolidBrush(Color.FromArgb(153, 255, 255, 255)); //笔刷，画文字用
Brush blackBrush = new SolidBrush(Color.FromArgb(m_alpha, 0, 0, 0)); //笔刷，画背景用
//g.FillRectangle(blackBrush, rectX, rectY, rectWidth, rectHeight);//背景
RectangleF backArea = new RectangleF(rectX + 1, rectY + 1, rectWidth, rectHeight);//背景
g.DrawString(waterText, font, blackBrush, backArea);
g.DrawString(waterText, font, whiteBrush, textArea);
g.Dispose();
string dirPath = savePath.Substring(0, savePath.LastIndexOf('/'));
DirectoryInfo dir = new DirectoryInfo(dirPath);
if (!dir.Exists)
{
dir.Create();
}
image.Save(savePath);
image.Dispose();
}
/// <summary>
/// 图片添加文字水印
/// </summary>
/// <param name="image">图片</param>
/// <param name="text">文字内容</param>
/// <param name="fontFamily">字体</param>
/// <param name="emSize">字体大小px</param>
/// <param name="fontColor">字体颜色，：#ffffff</param>
/// <param name="position">位置</param>
/// <param name="opacity">透明度：1-100</param>
/// <returns></returns>
public static Image WaterMarkText(Image image, string text, string fontFamily, int emSize, string fontColor, WaterPosition position, int opacity)
{
return(AddWaterText(image, text, fontFamily, emSize, fontColor, position, opacity, 0));
}
/// <summary>
/// 图片添加水印
/// </summary>
/// <param name="image"></param>
/// <param name="watermark">水印图片</param>
/// <param name="position">位置</param>
/// <param name="opacity">透明度。1-100，越小透越透明</param>
/// <returns></returns>
public static Image AddWaterPic(Image image, Image watermark, WaterPosition position, int opacity)
{
//如果水印图片大于图片，则不添加水印
if (watermark.Height >= image.Height || watermark.Width >= image.Width)
{
return(image);
}
using (Graphics g = Graphics.FromImage(image))
{
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 (opacity >= 1 && opacity <= 100)
{
transparency = (opacity / 100.0F);
}
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 (position)
{
case WaterPosition.左上:
xpos = (int)(image.Width * (float).01);
ypos = (int)(image.Height * (float).01);
break;
case WaterPosition.中上:
xpos = ((int)(image.Width * (float).50) - (watermark.Width / 2));
ypos = (int)(image.Height * (float).01);
break;
case WaterPosition.右上:
xpos = ((int)(image.Width * (float).99) - watermark.Width);
ypos = (int)(image.Height * (float).01);
break;
case WaterPosition.左中:
xpos = (int)(image.Width * (float).01);
ypos = (int)((image.Height * (float).50) - (watermark.Height / 2));
break;
case WaterPosition.中中:
xpos = (int)((image.Width * (float).50) - (watermark.Width / 2));
ypos = (int)((image.Height * (float).50) - (watermark.Height / 2));
break;
case WaterPosition.右中:
xpos = (int)((image.Width * (float).99) - watermark.Width);
ypos = (int)((image.Height * (float).50) - (watermark.Height / 2));
break;
case WaterPosition.左下:
xpos = (int)(image.Width * (float).01);
ypos = (int)((image.Height * (float).99) - watermark.Height);
break;
case WaterPosition.中下:
xpos = (int)((image.Width * (float).50) - (watermark.Width / 2));
ypos = (int)((image.Height * (float).99) - watermark.Height);
break;
case WaterPosition.右下:
xpos = (int)((image.Width * (float).99) - watermark.Width);
ypos = (int)((image.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);
}
return(image);
}
/// <summary>
/// 图片添加文字水印
/// </summary>
/// <param name="image">图片</param>
/// <param name="text">文字内容</param>
/// <param name="fontFamily">字体</param>
/// <param name="emSize">字体大小px</param>
/// <param name="fontColor">字体颜色，：#ffffff</param>
/// <param name="position">位置</param>
/// <param name="opacity">透明度：1-100</param>
/// <param name="rotate">倾斜度 正负180</param>
/// <returns></returns>
public static Image AddWaterText(Image image, string text, string fontFamily, int emSize, string fontColor, WaterPosition position, int opacity, int rotate)
{
using (Graphics gs = Graphics.FromImage(image))
{
//文本格式
Font font = new Font(fontFamily, emSize, FontStyle.Regular, GraphicsUnit.Pixel);
SizeF crSize = gs.MeasureString(text, font);
//倾斜度
gs.RotateTransform(rotate);
float xpos = 0;
float ypos = 0;
switch (position)
{
case WaterPosition.左上:
xpos = (float)image.Width * (float).01;
ypos = (float)image.Height * (float).01;
break;
case WaterPosition.中上:
xpos = ((float)image.Width * (float).50) - (crSize.Width / 2);
ypos = (float)image.Height * (float).01;
break;
case WaterPosition.右上:
xpos = ((float)image.Width * (float).99) - crSize.Width;
ypos = (float)image.Height * (float).01;
break;
case WaterPosition.左中:
xpos = (float)image.Width * (float).01;
ypos = ((float)image.Height * (float).50) - (crSize.Height / 2);
break;
case WaterPosition.中中:
xpos = ((float)image.Width * (float).50) - (crSize.Width / 2);
ypos = ((float)image.Height * (float).50) - (crSize.Height / 2);
break;
case WaterPosition.右中:
xpos = ((float)image.Width * (float).99) - crSize.Width;
ypos = ((float)image.Height * (float).50) - (crSize.Height / 2);
break;
case WaterPosition.左下:
xpos = (float)image.Width * (float).01;
ypos = ((float)image.Height * (float).99) - crSize.Height;
break;
case WaterPosition.中下:
xpos = ((float)image.Width * (float).50) - (crSize.Width / 2);
ypos = ((float)image.Height * (float).99) - crSize.Height;
break;
case WaterPosition.右下:
xpos = ((float)image.Width * (float).99) - crSize.Width;
ypos = ((float)image.Height * (float).99) - crSize.Height;
break;
}
var color = ColorTranslator.FromHtml(fontColor);
gs.DrawString(text, font, new SolidBrush(Color.FromArgb(opacity / 100 * 255, color)), xpos, ypos);
return(image);
}
}
