Exemple #1
0
 void data(Images& images) const override {
     ColorVal pixel[5];
     for (Image& image : images)
     for (uint32_t r=0; r<image.rows(); r++) {
         for (uint32_t c=0; c<image.cols(); c++) {
             for (int p=0; p<ranges->numPlanes(); p++) pixel[p] = image(p,r,c);
             image.set(0,r,c, pixel[permutation[0]]);
             if (!subtract) { for (int p=1; p<ranges->numPlanes(); p++) image.set(p,r,c, pixel[permutation[p]]); }
             else { for (int p=1; p<3 && p<ranges->numPlanes(); p++) image.set(p,r,c, pixel[permutation[p]] - pixel[permutation[0]]);
                    for (int p=3; p<ranges->numPlanes(); p++) image.set(p,r,c, pixel[permutation[p]]); }
         }
     }
 }
Exemple #2
0
void initPropRanges(Ranges &propRanges, const ColorRanges &ranges, int p) {
    propRanges.clear();
    int min = ranges.min(p);
    int max = ranges.max(p);
    int mind = min - max, maxd = max - min;
    if (p < 3) {       // alpha channel first
      for (int pp = 0; pp < p; pp++) {
        propRanges.push_back(std::make_pair(ranges.min(pp), ranges.max(pp)));  // pixels on previous planes
      }
      if (ranges.numPlanes()>3) propRanges.push_back(std::make_pair(ranges.min(3), ranges.max(3)));  // pixel on alpha plane
    }

    //if (p<1 || p>2) 
    propRanges.push_back(std::make_pair(0,2));       // median predictor: which of the three values is the median?

    if (p==1 || p==2) propRanges.push_back(std::make_pair(ranges.min(0)-ranges.max(0),ranges.max(0)-ranges.min(0))); // luma prediction miss
    propRanges.push_back(std::make_pair(mind,maxd)); // neighbor A - neighbor B   (top-bottom or left-right)
    propRanges.push_back(std::make_pair(mind,maxd)); // top/left prediction miss (previous pixel)
    propRanges.push_back(std::make_pair(mind,maxd)); // left/top prediction miss (other direction)
    propRanges.push_back(std::make_pair(mind,maxd)); // bottom/right prediction miss
    propRanges.push_back(std::make_pair(min,max));   // guess

//    propRanges.push_back(std::make_pair(mind,maxd));  // left - topleft
//    propRanges.push_back(std::make_pair(mind,maxd));  // topleft - top

//    if (p == 0 || p > 2)
//      propRanges.push_back(std::make_pair(mind,maxd)); // top - topright
    if (p != 2) {
      propRanges.push_back(std::make_pair(mind,maxd)); // toptop - top
      propRanges.push_back(std::make_pair(mind,maxd)); // leftleft - left
    }
}
Exemple #3
0
 void invData(Images& images) const override {
     ColorVal pixel[5];
     for (Image& image : images) {
       for (int p=0; p<ranges->numPlanes(); p++) image.undo_make_constant_plane(p);
       for (uint32_t r=0; r<image.rows(); r++) {
         for (uint32_t c=0; c<image.cols(); c++) {
             for (int p=0; p<ranges->numPlanes(); p++) pixel[p] = image(p,r,c);
             for (int p=0; p<ranges->numPlanes(); p++) image.set(permutation[p],r,c, pixel[p]);
             image.set(permutation[0],r,c, pixel[0]);
             if (!subtract) { for (int p=1; p<ranges->numPlanes(); p++) image.set(permutation[p],r,c, pixel[p]); }
             else { for (int p=1; p<3 && p<ranges->numPlanes(); p++) image.set(permutation[p],r,c, CLAMP(pixel[p] + pixel[0], ranges->min(permutation[p]), ranges->max(permutation[p])));
                    for (int p=3; p<ranges->numPlanes(); p++) image.set(permutation[p],r,c, pixel[p]); }
         }
       }
     }
 }
Exemple #4
0
 void print() {
     printf("Y buckets:\n");
     bucket0.print();
     printf("\nI buckets:\n");
     for (auto b : bucket1) b.print();
     printf("\nQ buckets:\n  ");
     for (auto bs : bucket2) { for (auto b : bs) b.print(); printf("\n  ");}
     if (ranges->numPlanes() > 3) {
       printf("Alpha buckets:\n");
       bucket3.print();
     }
 }
Exemple #5
0
void initPropRanges_scanlines(Ranges &propRanges, const ColorRanges &ranges, int p) {
    propRanges.clear();
    int min = ranges.min(p);
    int max = ranges.max(p);
    int mind = min - max, maxd = max - min;

    if (p < 3) {
      for (int pp = 0; pp < p; pp++) {
        propRanges.push_back(std::make_pair(ranges.min(pp), ranges.max(pp)));  // pixels on previous planes
      }
      if (ranges.numPlanes()>3) propRanges.push_back(std::make_pair(ranges.min(3), ranges.max(3)));  // pixel on alpha plane
    }
    propRanges.push_back(std::make_pair(min,max));   // guess (median of 3)
    propRanges.push_back(std::make_pair(0,2));       // which predictor was it
    propRanges.push_back(std::make_pair(mind,maxd));
    propRanges.push_back(std::make_pair(mind,maxd));
    propRanges.push_back(std::make_pair(mind,maxd));
    propRanges.push_back(std::make_pair(mind,maxd));
    propRanges.push_back(std::make_pair(mind,maxd));
}
Exemple #6
0
void initPropRanges(Ranges &propRanges, const ColorRanges &ranges, int p) {
    propRanges.clear();
    int min = ranges.min(p);
    int max = ranges.max(p);
    int mind = min - max, maxd = max - min;
    if (p < 3) {       // alpha channel first
      for (int pp = 0; pp < p; pp++) {
        propRanges.push_back(std::make_pair(ranges.min(pp), ranges.max(pp)));  // pixels on previous planes
      }
      if (ranges.numPlanes()>3) propRanges.push_back(std::make_pair(ranges.min(3), ranges.max(3)));  // pixel on alpha plane
    }
    propRanges.push_back(std::make_pair(mind,maxd)); // neighbor A - neighbor B   (top-bottom or left-right)
    propRanges.push_back(std::make_pair(min,max));   // guess (median of 3)
    propRanges.push_back(std::make_pair(0,2));       // which predictor was it
    propRanges.push_back(std::make_pair(mind,maxd));
    propRanges.push_back(std::make_pair(mind,maxd));
    propRanges.push_back(std::make_pair(mind,maxd));

    if (p < 2 || p >= 3) {
      propRanges.push_back(std::make_pair(mind,maxd));
      propRanges.push_back(std::make_pair(mind,maxd));
    }
}
Exemple #7
0
 int numPlanes() const override { return ranges->numPlanes(); }
Exemple #8
0
 int numPlanes() const {
     return ranges->numPlanes();
 }