using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Threading.Tasks;
using?System.Windows.Forms;
using?System.Runtime.InteropServices;
using?System.Threading;
using?System.IO;
using?System.Drawing.Imaging;

namespace?_1108_2
{
????public?partial?class?Form1?:?Form
????{
????????class?CPPDLL
????????{
????????????[DllImport（“dll.dll“?CharSet?=?CharSet.Ansi）]
????????????public?static?extern?unsafe?byte*?initZed（?out?int?widthout?int?heightout?int?channels）;
???????????//?public?static?extern?unsafe?Byte*?initZed（）;
????????????//[DllImport（“111.dll“?CharSet?=?CharSet.Ansi）]
????????????//public?static?extern?unsafe?int?initZed（）;
????????????////[DllImport（“1107.dll“?CharSet?=?CharSet.Ansi）]
????????????////public?static?extern?unsafe?int?test（）;
????????????//[DllImport（“1107.dll“?CharSet?=?CharSet.Ansi）]
????????????//public?static?extern?unsafe?float*?getImage（）;
????????????////[DllImport（“111.dll“?CharSet?=?CharSet.Ansi）]
????????????////public?static?extern?unsafe?int?test（）;

????????}

????????public?Form1（）
????????{
????????????InitializeComponent（）;

????????}
????????private?float[]?cross（float[]?A?float[]?B?float[]?C）
????????{
????????????float[]?AB?=?new?float[3];
????????????float[]?BC?=?new?float[3];

????????????AB[0]?=?B[0]?-?A[0];
????????????AB[1]?=?B[1]?-?A[1];
????????????AB[2]?=?B[2]?-?A[2];

????????????BC[0]?=?C[0]?-?B[0];
????????????BC[1]?=?C[1]?-?B[1];
????????????BC[2]?=?C[2]?-?B[2];

????????????float[]?arr?=?new?float[3];
????????????float?crs1?=?AB[1]?*?BC[2]?-?AB[2]?*?BC[1];
????????????float?crs2?=?BC[0]?*?AB[2]?-?BC[2]?*?AB[0];
????????????float?crs3?=?AB[0]?*?BC[1]?-?AB[1]?*?BC[0];
????????????arr[0]?=?crs1;
????????????arr[1]?=?crs2;
????????????arr[2]?=?crs3;


????????????return?arr;

????????}
????????private?void?Form1_Load（object?sender?EventArgs?e）
????????{
???????????//?int?key?=?CPPDLL.initZed（）;

????????}
????????public?static?Bitmap?BytesToBmp（byte[]?bmpBytes?Size?imageSize）
????????{
????????????Bitmap?bmp?=?new?Bitmap（imageSize.Width?imageSize.Height）;

????????????BitmapData?bData?=?bmp.LockBits（new?Rectangle（0?0?imageSize.Width?imageSize.Height）
????????????ImageLockMode.ReadWrite
????????????PixelFormat.Format24bppRgb）;?//24bit?rgb???Format24bppRgb

????????????//?Copy?the?bytes?to?the?bitmap?object
????????????System.Runtime.InteropServices.Marshal.Copy（bmpBytes?0?bData.Scan0?bmpBytes.Length）;
????????????bmp.UnlockBits（bData）;

????????????return?bmp;
????????}
????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
??????????
????????????unsafe
????????????{
????????????????int??width??heightchannels;

????????????????byte?*?ptr_image_data?;
????????????????//byte?image_data?=?new?byte（）;
???????????????
????????????????ptr_image_data?=?CPPDLL.in

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件????????5921??2018-12-11?10:23??dll讀取圖片到c#\Form1.cs
?????文件?????????980??2018-12-11?10:26??dll讀取圖片到c#\MyDll.cpp
?????目錄???????????0??2018-12-11?10:27??dll讀取圖片到c#\