Halcon 10.0:Hobject图像转CBitmap

 1 void HImage2CBitmap(Hobject pImage,CBitmap *wImage)
 2 {
 3     char lpcsType[MAX_STRING];
 4     Hlong lPointer,width,height,channels;
 5     Hlong lPointerR,lPointerG,lPointerB;
 6     count_channels(pImage,&channels);
 7     //获取Halcon数据的Long指针
 8     if (channels == 3)
 9     {
10         get_image_pointer3(pImage,&lPointerR,&lPointerG,&lPointerB,lpcsType,&width,&height);
11     }else
12     {
13         get_image_pointer1(pImage,&lPointer,lpcsType,&width,&height);
14     }
15 
16 
17     //创建文件头
18     BYTE tmp[sizeof(BITMAPINFO)+1024];
19     BITMAPINFO *bmi = (BITMAPINFO*)tmp;
20     HBITMAP hBmp;
21 
22     memset(bmi,0,sizeof(BITMAPINFO));
23     bmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
24     bmi->bmiHeader.biWidth = width;
25     bmi->bmiHeader.biHeight = -height; //正负可以上下翻转图像
26     bmi->bmiHeader.biPlanes = 1;
27     bmi->bmiHeader.biBitCount = 8*channels;
28     bmi->bmiHeader.biCompression = BI_RGB;
29     bmi->bmiHeader.biSizeImage = 0;        //if biCompression is BI_RGB,this can be 0
30     bmi->bmiHeader.biClrImportant =0 ;
31     //初始化数据
32     switch(8*channels) 
33     { 
34     case 8 : 
35         for(int i=0 ; i < 256 ; i++){ 
36             bmi->bmiColors[i].rgbBlue = i;
37             bmi->bmiColors[i].rgbGreen= i;
38             bmi->bmiColors[i].rgbRed= i;
39         }
40         break;
41     case 32:
42     case 24: 
43         ((DWORD*) bmi->bmiColors)[0] = 0x00FF0000;
44         ((DWORD*) bmi->bmiColors)[1] = 0x0000FF00;
45         ((DWORD*) bmi->bmiColors)[2] = 0x000000FF;
46         break; 
47     } 
48     hBmp = ::CreateDIBSection(NULL,bmi,DIB_RGB_COLORS,NULL,0,0);
49 
50     //Halcon转换成BYTE数据
51     BYTE *pData = new BYTE[width*height*channels];
52     long byteStep = 0;
53     if (channels == 3)
54     {
55         byteStep = 3*width;
56         BYTE *pHimageR = (BYTE*)lPointerR;
57         BYTE *pHimageG = (BYTE*)lPointerG;
58         BYTE *pHimageB = (BYTE*)lPointerB;
59         for (int i=0; ii)
60         {
61             for (int j=0; jj)
62             {
63                 *(pData + i*byteStep + 3*j + 0) = *pHimageB;
64                 *(pData + i*byteStep + 3*j + 1) = *pHimageG;
65                 *(pData + i*byteStep + 3*j + 2) = *pHimageR;
66                 pHimageR++;
67                 pHimageG++;
68                 pHimageB++;
69             }
70         }
71     }else
72     {
73         byteStep = width;
74         BYTE *pHimage = (BYTE*)lPointer;
75         for (int i=0; ii)
76         {
77             for (int j=0; jj)
78             {
79                 *(pData + i*byteStep + j) = *pHimage;
80                 pHimage++;
81             }
82         }
83     }
84 
85     //BYTE数据拷贝
86     SetDIBits(NULL,hBmp,0,height,pData,bmi,DIB_RGB_COLORS);
87 
88     //CBitmap关联HBITMAP
89     wImage->Attach(hBmp);
90 
91     delete [] pData;
92 
93     return;
94 }

对于灰度图像和彩色图像基本能使用，只测试过宽为4的倍数的图像。另外速度和效率可能不够用，500W的彩色图像（约14M）时间估计在1s左右。
有能力的可以自行优化下或留言交流下想法。

转载于:https://www.cnblogs.com/ljfy-yjw/p/3931507.html