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[Java]

public class ViewDWG

{

//C# TO JAVA CONVERTER WARNING: Java does not allow user-defined

value types. The behavior of this class will differ from the

original:

//ORIGINAL LINE: struct BITMAPFILEHEADER

private final static class BITMAPFILEHEADER

{

public short bfType;

public int bfSize;

public short bfReserved1;

public short bfReserved2;

public int bfOffBits;

public BITMAPFILEHEADER clone()

{

BITMAPFILEHEADER varCopy = new BITMAPFILEHEADER();

varCopy.bfType = this.bfType;

varCopy.bfSize = this.bfSize;

varCopy.bfReserved1 = this.bfReserved1;

varCopy.bfReserved2 = this.bfReserved2;

varCopy.bfOffBits = this.bfOffBits;

return varCopy;

}

}

public final Image GetDwgImage(String FileName)

{

if (!((new java.io.File(FileName)).isFile()))

{

throw new FileNotFoundException("文件没有被找到");

}

FileStream DwgF; //文件流

int PosSentinel; //文件描述块的位置

BinaryReader br; //读取二进制文件

int TypePreview; //缩略图格式

int PosBMP; //缩略图位置

int LenBMP; //缩略图大小

short biBitCount; //缩略图比特深度

BITMAPFILEHEADER biH = new BITMAPFILEHEADER();

//BMP文件头，DWG文件中不包含位图文件头，要自行加上去

//C# TO JAVA CONVERTER WARNING: Unsigned integer types have no

direct equivalent in Java:

//ORIGINAL LINE: byte[] BMPInfo;

byte[] BMPInfo; //包含在DWG文件中的BMP文件体

MemoryStream BMPF = new MemoryStream(); //保存位图的内存文件流

BinaryWriter bmpr = new BinaryWriter(BMPF); //写二进制文件类

Image myImg = null;

try

{

DwgF = new FileStream(FileName, Fi

本文标签： 图片JavaDWG

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