public static void writeToFile(COMMON.ByteMatrix matrix, System.Drawing.Imaging.ImageFormat format, string file)
{
System.Drawing.Imaging.EncoderParameters eps = new System.Drawing.Imaging.EncoderParameters();
eps.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality,100L);
Bitmap bmap = toBitmap(matrix);
bmap.Save(file,format);
}
public static Bitmap toBitmap(COMMON.ByteMatrix matrix)
{
int width = matrix.Width;
int height = matrix.Height;
Bitmap bmap = new Bitmap(width, height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
bmap.SetPixel(x, y, matrix.get_Renamed(x, y) != -1 ? ColorTranslator.FromHtml("0xFF000000") : ColorTranslator.FromHtml("0xFFFFFFFF"));
}
}
return bmap;
}
public static void WriteToFile(COMMON.ByteMatrix matrix, System.Drawing.Imaging.ImageFormat format, string file, bool isAppendImage)
{
Bitmap bmap = toBitmap(matrix);
if (isAppendImage)
{
Graphics g = Graphics.FromImage(bmap);
string f = string.Concat(System.Web.HttpContext.Current.Server.MapPath("."), "\\include\\append.png");
Util.AddWatermarkImage(g, f, "CENTER", 300, 300);
}
bmap.Save(file, format);
}
public static byte[] GetBytes(COMMON.ByteMatrix matrix, System.Drawing.Imaging.ImageFormat format, bool isAppendImage)
{
Bitmap bmap = toBitmap(matrix);
if (isAppendImage)
{
Graphics g = Graphics.FromImage(bmap);
string f = string.Concat(System.Web.HttpContext.Current.Server.MapPath("."), "\\include\\append.png");
Util.AddWatermarkImage(g, f, "CENTER", 300, 300);
}
System.IO.MemoryStream ms = new System.IO.MemoryStream();
bmap.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
bmap.Dispose();
return ms.ToArray();
}
public static void Display(System.Web.HttpResponse response, COMMON.ByteMatrix matrix, System.Drawing.Imaging.ImageFormat format, bool isAppendImage)
{
response.ClearContent();
response.ContentType = "image/Jpeg";
response.BinaryWrite(GetBytes(matrix, format, isAppendImage));
response.End();
}
private Bitmap toBitmap(COMMON.ByteMatrix matrix, float fltDPIX, float fltDPIY)
{
int width = matrix.Width;
int height = matrix.Height;
Bitmap bmap = new Bitmap(width, height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
bmap.SetResolution(fltDPIX, fltDPIY);//设置图片象素
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
bmap.SetPixel(x, y, matrix.get_Renamed(x, y) != -1 ? ColorTranslator.FromHtml("0xFF000000") : ColorTranslator.FromHtml("0xFFFFFFFF"));
}
}
return bmap;
}