void saveBitmap() ?

{ ?

//一個586*586的二進制圖片

const int height = 586;
const int width = 586;

//新生產bmp圖片數據塊總大小? (bmpWidth?*biBitCount/8+3)/4*4*bmpHeight;
const int size = 588 *586 ;


// Part.1 Create Bitmap File Header ?
BITMAPFILEHEADER fileHeader; ?


fileHeader.bfType = 0x4D42; ?
fileHeader.bfReserved1 = 0; ?
fileHeader.bfReserved2 = 0; ?


fileHeader.bfSize = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) + size + 256 * sizeof(RGBQUAD); ?
fileHeader.bfOffBits = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD);


// Part.2 Create Bitmap Info Header ?
BITMAPINFOHEADER bitmapHeader = { 0 }; ?


bitmapHeader.biSize = sizeof(BITMAPINFOHEADER); ?
bitmapHeader.biHeight = height; ?
bitmapHeader.biWidth = width; ?
bitmapHeader.biPlanes = 1; ?
bitmapHeader.biBitCount =8;
bitmapHeader.biSizeImage = 0; ?
bitmapHeader.biXPelsPerMeter = 0;
bitmapHeader.biYPelsPerMeter = 0;
bitmapHeader.biClrUsed = 256;
bitmapHeader.biClrImportant = 0;
bitmapHeader.biCompression = 0;


int pad;
int biWidth = 0;
int padWidth = 0 ;


if(bitmapHeader.biBitCount==24)
pad = 4 - ((bitmapHeader.biWidth * 3) % 4);
else
pad = 4 - ((bitmapHeader.biWidth) % 4);
if (pad == 4) ? ? ?
pad = 0; ? ? ? ? ??
padWidth = bitmapHeader.biWidth + pad;


RGBQUAD* pRgbQuards=new RGBQUAD[256];?
for(int i=0;i<256;i++)?
{?
pRgbQuards[i].rgbBlue=i;?
pRgbQuards[i].rgbRed=i;?
pRgbQuards[i].rgbGreen=i;?
}?


int filesize = files.size();
for (int i= 0;i <filesize; i++)
{
FILE *imgp;
string filename = files[i];
fopen_s(&imgp,filename.data(),"rb");


if (imgp == NULL)
{
return ;
}
BYTE *bits = (BYTE *)malloc(586*586);
BYTE *bits0 = (BYTE *)malloc(1);?
BYTE *bits1 = (BYTE *)malloc(1);?
BYTE *bits2 = (BYTE *)malloc(1);?
BYTE *bits3 = (BYTE *)malloc(586*586);


for (int j = 0; j<586*586;j++)
{
memset(bits1, 0xFF, 1);?
memset(bits2, 0xFF, 1);?
fread(bits1,sizeof(char),1,imgp);
fread(bits2,sizeof(char),1,imgp);
bits3[j] = (((*bits1)<<6)| ((*bits2 )>>2));
}?
fclose(imgp);


string Bmpfilename = filename.substr(0,filename.length()- 3) + "bmp";


FILE *output = fopen(Bmpfilename.data(), "wb"); ?
if (output == NULL) ?
{ ?
printf("Cannot open file!\n"); ?
} ?
else ?
{ ?
fwrite(&fileHeader,1,sizeof(BITMAPFILEHEADER),output); ?
fwrite(&bitmapHeader,1,sizeof(BITMAPINFOHEADER),output); ?
fwrite(pRgbQuards,sizeof(RGBQUAD),256,output);?
//fwrite(outbfr,sizeof(BYTE),586*586,output);
char *by = "0x00";?
for (int n= 586; n >0 ; n--)
{
for (int m = 0;m < 586; m++)
{
bits0[0] =bits3[(n-1)*586 +m];
fwrite(bits0,sizeof(BYTE),1,output);
}
for(int i = 1; i <= pad; i++)
{
fwrite(by,sizeof(BYTE),1,output);
}
}
}
fclose(output);
free(bits);?
free(bits0);?
free(bits1);?
free(bits2);?
free(bits3);?
bits = NULL;
bits0= NULL;
bits1 = NULL;
bits2 = NULL;
bits3 = NULL;


string Pngfilename = filename.substr(0,filename.length()- 3) + "png";

LPCWSTR ?Bmpname = stringToLPCWSTR(Bmpfilename);
LPCWSTR ?Pngname = stringToLPCWSTR(Pngfilename);

//將BMP圖片轉換成PNG圖片 ?詳見下一篇博文
BMptoPNG(Bmpname,Pngname); ?
DeleteFile(Bmpname);
}
}

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