public FileSystemImage(int width, int height, string saveToBmp)
{
filePath = saveToBmp;
fileStream = File.Open(saveToBmp, FileMode.Create, FileAccess.Write, FileShare.None);
using (var bw = new System.IO.BinaryWriter(fileStream, Encoding.UTF8, true))
{
var bheader = new DcmBITMAPFILEHEADER();
bheader.bfOffBits = 54;
bheader.bfReserved1 = 0;
bheader.bfReserved2 = 0;
bheader.bfSize = (uint)(54 + width * height * 4);
bheader.bfType = 19778;
var binfo = new DcmBITMAPINFOHEADER();
binfo.biBitCount = 32;
binfo.biClrImportant = 0;
binfo.biClrUsed = 0;
binfo.biCompression = DcmBitmapCompressionMode.BI_RGB;
binfo.biWidth = width;
binfo.biHeight = height;
binfo.biPlanes = 1;
binfo.biSize = 40;
binfo.biSizeImage = 0;
binfo.biXPelsPerMeter = 3978;
binfo.biYPelsPerMeter = 3978;
var hd = DcmStructToBytes(bheader);
var bd = DcmStructToBytes(binfo);
bw.Write(hd);
bw.Write(bd);
}
}
public override bool Render(int components, bool bRorate90, string saveToPath)
{
// var format = components == 4 ? PixelFormat.Format32bppArgb : PixelFormat.Format32bppRgb;
var _pixels = this.pixels;
using (var fs = new System.IO.FileStream(saveToPath, System.IO.FileMode.Create, System.IO.FileAccess.Write))
using (var bw = new System.IO.BinaryWriter(fs))
{
var bheader = new DcmBITMAPFILEHEADER();
bheader.bfOffBits = 54;
bheader.bfReserved1 = 0;
bheader.bfReserved2 = 0;
bheader.bfSize = (uint)(54 + _pixels.ByteSize);
bheader.bfType = 19778;
var binfo = new DcmBITMAPINFOHEADER();
binfo.biBitCount = 32;
binfo.biClrImportant = 0;
binfo.biClrUsed = 0;
binfo.biCompression = DcmBitmapCompressionMode.BI_RGB;
if (bRorate90)
{
//----旋转90度, 其它参数不变
binfo.biHeight = this.width;
binfo.biWidth = this.height;
}
else
{
binfo.biWidth = this.width;
binfo.biHeight = this.height;
}
binfo.biPlanes = 1;
binfo.biSize = 40;
binfo.biSizeImage = 0;
binfo.biXPelsPerMeter = 3978;
binfo.biYPelsPerMeter = 3978;
var hd = DcmStructToBytes(bheader);
var bd = DcmStructToBytes(binfo);
bw.Write(hd);
bw.Write(bd);
if (false == bRorate90)
{
for (int i = this.height; i > 0; i--)
{
//int[] rawData = new int[ScaledData.Width];
//Buffer.BlockCopy(_pixels.Data, (i - 1) * ScaledData.Width, rawData, 0, ScaledData.Width);
for (int j = 0; j < this.width; j++)
{
int ax = _pixels[(i - 1) * this.width + j];
byte[] ar = BitConverter.GetBytes(ax);
bw.Write(ar);
}
}
}
else
{
for (int i = 0; i < this.width; i++)
{
for (int j = 0; j < this.height; j++)
{
int aw = _pixels[j * this.width + i];
byte[] ar = BitConverter.GetBytes(aw);
bw.Write(ar);
}
}
}
bw.Flush();
bw.Close();
fs.Close();
return(true);
}
}
public override bool Render(int components, System.IO.MemoryStream bw, out int w, out int h, bool bRorate90)
{
w = this.width;
h = this.height;
var _pixels = this.pixels;
{
var bheader = new DcmBITMAPFILEHEADER();
bheader.bfOffBits = 54;
bheader.bfReserved1 = 0;
bheader.bfReserved2 = 0;
bheader.bfSize = (uint)(54 + _pixels.ByteSize);
bheader.bfType = 19778;
var binfo = new DcmBITMAPINFOHEADER();
binfo.biBitCount = 32;
binfo.biClrImportant = 0;
binfo.biClrUsed = 0;
binfo.biCompression = DcmBitmapCompressionMode.BI_RGB;
if (bRorate90)
{
//----旋转90度, 其它参数不变
h = this.width;
w = this.height;
}
else
{
w = this.width;
h = this.height;
}
binfo.biPlanes = 1;
binfo.biSize = 40;
binfo.biSizeImage = 0;
binfo.biXPelsPerMeter = 3978;
binfo.biYPelsPerMeter = 3978;
var hd = DcmStructToBytes(bheader);
var bd = DcmStructToBytes(binfo);
bw.Write(hd, 0, hd.Length);
bw.Write(bd, 0, bd.Length);
if (false == bRorate90)
{
for (int i = this.height; i > 0; i--)
{
//int[] rawData = new int[ScaledData.Width];
//Buffer.BlockCopy(_pixels.Data, (i - 1) * ScaledData.Width, rawData, 0, ScaledData.Width);
for (int j = 0; j < this.width; j++)
{
int ax = _pixels[(i - 1) * this.width + j];
byte[] ar = BitConverter.GetBytes(ax);
bw.Write(ar, 0, 3);
}
}
}
else
{
for (int i = 0; i < this.width; i++)
{
for (int j = 0; j < this.height; j++)
{
int aw = _pixels[j * this.width + i];
byte[] ar = BitConverter.GetBytes(aw);
bw.Write(ar, 0, 3);
}
}
}
bw.Flush();
return(true);
}
}
