关于固化在硬件上的图片取出问题

yiwu1114

关于固化在硬件上的图片取出问题 [复制链接]

各位大侠大哥你们好，小弟近日在做界面修改时，发现界面上的图片都是通过bmptobin.exe去生成相应的*.h文件的，现在我想将图片从器件中拿出来，做修改后再放回去，我找了一些方法，但是网上介绍的说可以通过bintobmp和reEdit这个软件可以将里面的数据图片导出来，然后修改后有导入进去。可是我试试，这两个软件都不行，尤其是bintobmp这个软件连运行都是问题。
在这里请教给位大哥了，看看能有什么办法可以解决？或者用什么工具

hxf666

相应的*.h文件是什么格式？

lsl130130

问题是，你的是什么器件？什么平台下？这个很重要的。*.H应该就是存放图片数组的头文件是吧？

windboy121

回复二楼的大侠，是在linux平台下的，*.h确实是存放图片数组的头文件
下面的这个图片数组文件是通过bmptobin.exe这个程序生成的，我现在想把它还原到*.bmp格式（原图片没有）
Im_loading.h
/*
E:\Glass\Bitmap\Im_Loading.h
        bmp file size:                2680
        bmp data offset:        1078
        bmp data width:                40
        bmp data height:        40
        bmp data size:                1600
        RLE bmp data size:        818
*/


const unsigned char Im_Loading[] __attribute__((section(".flash"))) =
{
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0x5a,0xff
};

cancan_919

还有就是器件为机顶盒

sgch

bmp file size: 2680
bmp data offset: 1078
bmp data width: 40
bmp data height: 40
bmp data size: 1600
RLE bmp data size: 818
这些信息用于产生bmphead
const unsigned char Im_Loading[] 是数据

huli19820119

那怎么将这些数据再次转换成图片？

xxqqxxqq2211523

学习一下

guqiaoling

画点呗,你没看是点阵数据啊.

jackychao

知道是点阵，可是怎么修改啊，这个点阵代表的是一幅图片，那我要修改这幅图的话，难道我要一个一个的去修改这些点？

yuqinfeng

明白你的意思了，假如是黑白的点阵图，还好转换。假如是彩色的，那我就不知道用什么软件可以还原了，呵呵。只能求助网络了，看看有没有这样的软件，可以还原的。

ruanapple

用信息写bmphead把数据放好，写成“.bmp"文件，在“paint”就可以修改

wanghai8521

是彩色的图片，黑白的可以用软件转换。
11楼的兄弟能否说的详细点？

beijilang5

//一下难以说清楚，下面是知道数据，用16色画图的办法。
void CDrawbmpView::OnDraw(CDC* pDC)
{
        CDrawbmpDoc* pDoc = GetDocument();
        ASSERT_VALID(pDoc);
        // TODO: add draw code for native data here
        int hei=480;
        int wid=640;

        int count,ofs;
        BYTE *ScreenPtr0=0;
        BYTE *ScreenPtr=0;
        COLORREF color_table[16]={// 0x00bbggrr
                                0x000000,  //0
                                0x000080,  //1
                                0x008000,  //2
                                0x008080,  //3
                                0x800000,  //4
                                0x800080,  //5
                                0x808000,  //6
                                0x808080,  //7
                                0xC0C0C0,  //8
                                0x0000FF,  //9
                                0x00FF00,  //10
                                0x00FFFF,  //11
                                0xFF0000,  //12
                                0xFF00FF,  //13
                                0xFFFF00,  //14
                                0xFFFFFF };//15
// open
        CFile if_hnd;
        if(!if_hnd.Open("tmp.bmp",CFile::modeRead|CFile::shareExclusive))
        {
                AfxMessageBox("Cann't open image file!");
                return;
        }
// get mem
        unsigned fsize;
        fsize =if_hnd.GetLength();//
        ScreenPtr0=(BYTE *)new char[fsize];  //
        // read all in
        if_hnd.Read(ScreenPtr0,fsize);//
// image data are in buffer
        if(if_hnd) if_hnd.Close();
        int count1=0;
//
        for (count1=0; count1         {// draw from bottom
                ScreenPtr=ScreenPtr0+fsize-(count1+1)*wid/2;//
                for (count=0;count                 {
                        ofs=(ScreenPtr[count]>>4) & 0x0F;
                        SetPixel(pDC->m_hDC,2*count,count1,color_table[ofs]);
                //
                        ofs=ScreenPtr[count] & 0x0F;
                        SetPixel(pDC->m_hDC,2*count+1,count1,color_table[ofs]);
                }
        }
        if(ScreenPtr0) delete []ScreenPtr0;
}

sayidzm

用你的数据试了试，发现你的818长的数据不是标准的RLE8。生成。bmp后“paint。exe”不能显示，（一个白矩形）

yanfang2003

把test程序给你：
UINT RGB256Table[256]={0};//初始化为空，需要从任何一个256色的bmp中读入
void WriteBMP()
{
        BITMAPFILEHEADER bmpHead;
        BITMAPINFOHEADER  bmpInfoHead;
        memset(&bmpHead,0,sizeof(bmpHead));
        bmpHead.bfType=0x4D42;//BM
        bmpHead.bfSize=sizeof(bmpHead)+sizeof(bmpInfoHead)+256*sizeof(RGBQUAD)+sizeof(Your_Bits);
        bmpHead.bfOffBits=sizeof(bmpHead)+sizeof(bmpInfoHead)+256*sizeof(RGBQUAD);
//
        memset(&bmpInfoHead,0,sizeof(BITMAPINFOHEADER));
        bmpInfoHead.biSize=sizeof(BITMAPINFOHEADER);
        bmpInfoHead.biPlanes=1;
        bmpInfoHead.biBitCount=8;
        bmpInfoHead.biCompression=BI_RLE8;       
        bmpInfoHead.biClrImportant=256;
        bmpInfoHead.biClrUsed=256;
//
        bmpInfoHead.biHeight=40;//就是你的h文件中的数据
        bmpInfoHead.biWidth=40;
        bmpInfoHead.biSizeImage=sizeof(Your_Bits);//即你的RLE8数据
//
        FILE *bmp;
// read 256 color in 只读256色
        bmp=fopen("256clr.bmp","rb");//any bmp has 256 colors
        fseek(bmp,sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER),SEEK_SET);
        fread(RGB256Table,sizeof(RGB256Table),1,bmp);
        fclose(bmp);
//write  new bmp
        bmp=fopen("YourTest.bmp","wb");
        fwrite(&bmpHead,sizeof(bmpHead),1,bmp);
        fwrite(&bmpInfoHead,sizeof(bmpInfoHead),1,bmp);
        fwrite(RGB256Table,sizeof(RGB256Table),1,bmp);
        fwrite(Your_Bits,sizeof(Your_Bits),1,bmp);
        fclose(bmp);
}
//正常时用paintbrush可以打开，可惜你的data又经过某种处理了。

amountain

谢谢schlafenhamster了，太感谢了，谢谢你百忙之中帮我解释。