C++ LibRaw::add_masked_borders_to_bitmap方法代码示例

int main(int ac, char *av[])
{
    int  i, ret;
    int verbose=1,autoscale=0,use_gamma=0;
    char outfn[1024]; 

    LibRaw RawProcessor;
    if(ac<2) 
        {
          usage:
            printf(
                "unprocessed_raw - LibRaw %s sample. %d cameras supported\n"
                "Usage: %s [-q] [-A] [-g] [-s N] [-N] raw-files....\n"
                "\t-q - be quiet\n"
                "\t-s N - select Nth image in file (default=0)\n"
                "\t-g - use gamma correction with gamma 2.2 (not precise,use for visual inspection only)\n"
                "\t-A - autoscaling (by integer factor)\n"
                "\t-N - no raw curve\n"
                ,LibRaw::version(),
                LibRaw::cameraCount(),
                av[0]);
            return 0;
        }
    
#define P1 RawProcessor.imgdata.idata
#define S RawProcessor.imgdata.sizes
#define C RawProcessor.imgdata.color
#define T RawProcessor.imgdata.thumbnail
#define P2 RawProcessor.imgdata.other
#define OUT RawProcessor.imgdata.params

    OUT.document_mode=2;
    OUT.output_bps=16;
    OUT.output_tiff=1;
    OUT.user_flip=0;
    OUT.no_auto_bright = 1;
    OUT.filtering_mode=(LibRaw_filtering)( LIBRAW_FILTERING_NOBLACKS|LIBRAW_FILTERING_NOZEROES);
    for (i=1;i<ac;i++)
        {
            if(av[i][0]=='-')
                {
                    if(av[i][1]=='q' && av[i][2]==0)
                        verbose=0;
                    else if(av[i][1]=='A' && av[i][2]==0)
                        autoscale=1;
                    else if(av[i][1]=='g' && av[i][2]==0)
                        use_gamma = 1;
                    else if(av[i][1]=='N' && av[i][2]==0)
                        OUT.filtering_mode=LIBRAW_FILTERING_NONE;
                    else if(av[i][1]=='s' && av[i][2]==0)
                        {
                            i++;
                            OUT.shot_select=atoi(av[i]);
                        }
                    else
                        goto usage;
                    continue;
                }
            int c;
            if(!use_gamma)
                OUT.gamm[0] = OUT.gamm[1] = 1;
            if(verbose) printf("Processing file %s\n",av[i]);
            if( (ret = RawProcessor.open_file(av[i])) != LIBRAW_SUCCESS)
                {
                    fprintf(stderr,"Cannot open %s: %s\n",av[i],libraw_strerror(ret));
                    continue; // no recycle b/c open file will recycle itself
                }
            if(verbose)
                {
                    printf("Image size: %dx%d\nRaw size: %dx%d\n",S.width,S.height,S.raw_width,S.raw_height);
                    printf("Margins: top=%d, left=%d, right=%d, bottom=%d\n",
                           S.top_margin,S.left_margin,S.right_margin,S.bottom_margin);
                }

            if( (ret = RawProcessor.unpack() ) != LIBRAW_SUCCESS)
                {
                    fprintf(stderr,"Cannot unpack %s: %s\n",av[i],libraw_strerror(ret));
                    continue;
                }

            if(verbose)
                printf("Unpacked....\n");

            if( (ret = RawProcessor.add_masked_borders_to_bitmap() ) != LIBRAW_SUCCESS)
                {
                    fprintf(stderr,"Cannot add mask data to bitmap %s\n",av[i]);
                }

            // move all pixel data to component 0

            for(int r=0;r<S.iheight;r++)
                for(c=0;c<S.iwidth;c++)
                    RawProcessor.imgdata.image[r*S.iwidth+c][0] 
		      = RawProcessor.imgdata.image[r*S.iwidth+c][RawProcessor.COLOR(r,c)];

            P1.colors=1;
            if(autoscale)
                {
                    unsigned max=0,scale;
                    for(int j=0; j<S.iheight*S.iwidth; j++)
//.........这里部分代码省略.........

 int libraw_add_masked_borders_to_bitmap(libraw_data_t* lr)
 {
     if(!lr) return EINVAL;
     LibRaw *ip = (LibRaw*) lr->parent_class;
     return ip->add_masked_borders_to_bitmap();
 }