کمک ....... بخدا کمک

[ali ahwaz top]

سلام دوستان اگه کسی میتونه منت بر سر بگذاره این فانکشن رو به صورتی که بجای ریختن بایتها به
فایل به یه آرایه بریزه. ممون میشم.
int SaveAsBMP(char *filename, J2K_Image *img)
{
int w, w2, h, width = img->Width, height = img->Height, bpp, prec, tmp, color_map_size; FILE *f;
unsigned char *row;
unsigned short *srow;
BITMAPFILEHEADER bmpHeader; BITMAPINFOHEADER bmpInfoHeader;
prec = img->Precision;
if(prec > 8) bpp = img->buffer_bpp / 2; else bpp = img->buffer_bpp;
if(bpp == 2) return 0; // not supported
color_map_size = (bpp == 1 ? 256*4 : 0);
bmpHeader.bfType = 'MB';
bmpHeader.bfSize = 14 + 40 + color_map_size; //sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER);
bmpHeader.bfOffBits = bmpHeader.bfSize;
bmpHeader.bfSize += width * height * bpp;
bmpHeader.bfReserved1 = bmpHeader.bfReserved2 = 0;
bmpInfoHeader.biSize = 40;//sizeof(BITMAPINFOHEADER);
bmpInfoHeader.biWidth = width;
bmpInfoHeader.biHeight = height;
bmpInfoHeader.biPlanes = 1;
bmpInfoHeader.biBitCount = (bpp == 1) ? 8 : (bpp==3 ? 24 : 32);
bmpInfoHeader.biCompression = BI_RGB;
bmpInfoHeader.biSizeImage = 0;
bmpInfoHeader.biXPelsPerMeter = 0;
bmpInfoHeader.biYPelsPerMeter = 0;
bmpInfoHeader.biClrUsed = (bpp==1 ? 256 : 0);
bmpInfoHeader.biClrImportant = 0;
f = fopen(filename, "wb"); if(!f) return 0;
// fwrite(&bmpHeader, 14, 1, f);
fwrite(&bmpHeader.bfType, 2, 1, f);
fwrite(&bmpHeader.bfSize, 4, 1, f);
fwrite(&bmpHeader.bfReserved1, 2, 1, f);
fwrite(&bmpHeader.bfReserved2, 2, 1, f);
fwrite(&bmpHeader.bfOffBits, 4, 1, f);
// fwrite(&bmpInfoHeader, sizeof(BITMAPINFOHEADER), 1, f);
fwrite(&bmpInfoHeader.biSize, 4, 1, f);
fwrite(&bmpInfoHeader.biWidth, 4, 1, f);
fwrite(&bmpInfoHeader.biHeight, 4, 1, f);
fwrite(&bmpInfoHeader.biPlanes, 2, 1, f);
fwrite(&bmpInfoHeader.biBitCount, 2, 1, f);
fwrite(&bmpInfoHeader.biCompression, 4, 1, f);
fwrite(&bmpInfoHeader.biSizeImage, 4, 1, f);
fwrite(&bmpInfoHeader.biXPelsPerMeter, 4, 1, f);
fwrite(&bmpInfoHeader.biYPelsPerMeter, 4, 1, f);
fwrite(&bmpInfoHeader.biClrUsed, 4, 1, f);
fwrite(&bmpInfoHeader.biClrImportant, 4, 1, f);
row = img->buffer + width * (height-1) * bpp;
srow = (unsigned short*)(img->buffer + width * (height-1) * bpp * 2);
if(bpp==1)
{
for(w = 0; w < 256; w++){ tmp = (w<<16) | (w<<8) | w; fwrite(&tmp, 4, 1, f); }
for(h = 0; h < height; h++)
{
if(prec > 8) // 16-bit
{
for(w = 0; w < width; w++){ fputc((srow[w] >> (prec-8)), f); } // we need to scale it to 8 bits in BMP
}
else fwrite(row, width, 1, f); // 8-bit
if(width&3) for(w = 0; w < 4-(width&3); w++) fputc(0, f);
row -= img->buffer_pitch;
srow -= img->buffer_pitch / 2;
}
}
else
{
w2 = width * bpp;
if(prec > 8) // 16-bit
{
for(h = 0; h < height; h++, srow -= img->buffer_pitch / 2)
{
for(w = 0; w < w2; w++) fputc((srow[w] >> (prec-8)), f); // we need to scale it to 8 bits in BMP
if(w2&3) for(w = 0; w < 4-(w2&3); w++) fputc(0, f);
}
}
else // 8-bit
{
for(h = 0; h < height; h++, row -= img->buffer_pitch)
{
fwrite(row, w2, 1, f);

if(w2&3) for(w = 0; w < 4-(w2&3); w++) fputc(0, f);
}
}
}
fclose(f);
return 1;
}//__________________________________________________ ___________________________
#ifdef __cplusplus
int SaveAsBMP(char *filename, J2K_Image &img){ return SaveAsBMP(filename, &img); }
int SaveAsBMP(char *filename, J2K_CImage &img){ return SaveAsBMP(filename, (J2K_Image*)&img); }
#endif