115 lines
4.2 KiB
C#
115 lines
4.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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using System.IO;
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namespace dccdc.Selfhelp
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{
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class GFunction
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{
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/// <summary>
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/// 将字节数组写入文件
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/// </summary>
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/// <param name="pi_strFileName">文件路径</param>
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/// <param name="pi_byData">写入字节数组</param>
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/// <param name="pi_iDataSize">字节数组大小</param>
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/// <returns></returns>
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static public bool tool_WriteOneFile(string pi_strFileName, byte[] pi_byData, int pi_iDataSize)
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{
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if (pi_iDataSize == 0)
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{
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return false;
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}
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FileStream fileStream = new FileStream(pi_strFileName, FileMode.Create);
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fileStream.Write(pi_byData, 0, pi_iDataSize);
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fileStream.Flush();
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fileStream.Close();
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return true;
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}
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/// <summary>
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/// 对BGR格式数据进行B、R转换，只支持24位深度图像
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/// </summary>
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/// <param name="pi_bySrc">bgr数据</param>
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/// <param name="pi_iSrcSize">bgr数据大小</param>
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/// <param name="po_byDst">转换后的rgb格式数据，需要开((pi_iWidth * 3 + 3) / 4) * 4 * pi_iHeight字节空间</param>
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/// <param name="pi_iDstSize">开辟空间大小</param>
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/// <param name="pi_iWidth">图片宽度（像素）</param>
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/// <param name="pi_iHeight">图片高度（像素）</param>
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/// <returns>>0 执行成功，函数执行成功后返回转换后的rgb格式数据大小</returns>
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static public int bgr2rgb(byte[] pi_bySrc, int pi_iSrcSize, byte[] po_byDst, int pi_iDstSize, int pi_iWidth, int pi_iHeight)
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{
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int iWidthSize = pi_iWidth * 3;
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int iDstWidthSize = ((pi_iWidth * 3 + 3) / 4) * 4;
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int iExternSize = ((pi_iWidth * 3 + 3) / 4) * 4 - pi_iWidth * 3;
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int iDstSize = iDstWidthSize * pi_iHeight;
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int iPosX = 0;
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int iPosY = 0;
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if (pi_iSrcSize != (iWidthSize * pi_iHeight))
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{
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return -1;
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}
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if (pi_iDstSize < iDstSize)
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{
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return -2;
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}
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for (iPosY = 0; iPosY < pi_iHeight; iPosY++)
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{
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for (iPosX = 0; iPosX < pi_iWidth * 3; iPosX += 3)
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{
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po_byDst[(iWidthSize + iExternSize) * iPosY + iPosX + 0] = pi_bySrc[iWidthSize * iPosY + iPosX + 2];
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po_byDst[(iWidthSize + iExternSize) * iPosY + iPosX + 1] = pi_bySrc[iWidthSize * iPosY + iPosX + 1];
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po_byDst[(iWidthSize + iExternSize) * iPosY + iPosX + 2] = pi_bySrc[iWidthSize * iPosY + iPosX + 0];
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}
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}
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return iDstSize;
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}
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/// <summary>
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/// 字节数组转16进制字符串
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/// </summary>
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/// <param name="pi_bySrc">字节数组</param>
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/// <param name="pi_iSrcPosIdx">字节数组偏移量</param>
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/// <param name="pi_iSrcSize">转换字节数</param>
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/// <returns>16进制字符串</returns>
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public static string ByteArryToHexString(byte[] pi_bySrc, int pi_iSrcPosIdx, int pi_iCount)
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{
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int iPos = 0;
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StringBuilder strResult = new StringBuilder();
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for (iPos = 0; iPos < pi_iCount; iPos++)
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{
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strResult.Append(pi_bySrc[pi_iSrcPosIdx + iPos].ToString("X2"));
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}
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return strResult.ToString();
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}
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/// 16进制字符串转字节数组
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/// </summary>
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/// <param name="pi_strSrc">16进制字符串</param>
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/// <param name="po_byDstBuffer">字节数组Buffer</param>
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/// <param name="pi_iDstBufferSize">字节数组Buffer大小</param>
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/// <returns>实际转换大小</returns>
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public static int HexStringToByteArray(string pi_strSrc, byte[] po_byDstBuffer, int pi_iDstBufferSize)
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{
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int iPos = 0;
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int iDstSize = pi_strSrc.Length / 2;
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for (iPos = 0; (iPos < iDstSize) && (iPos < pi_iDstBufferSize); iPos++)
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{
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po_byDstBuffer[iPos] = Convert.ToByte(pi_strSrc.Substring(iPos * 2, 2), 16);
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}
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return iDstSize;
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}
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}
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}
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