Lines Matching refs:prev_row
3786 png_const_bytep prev_row)
3793 PNG_UNUSED(prev_row)
3804 png_const_bytep prev_row)
3809 png_const_bytep pp = prev_row;
3820 png_const_bytep prev_row)
3824 png_const_bytep pp = prev_row;
3847 png_const_bytep prev_row)
3853 c = *prev_row++;
3863 b = *prev_row++;
3895 png_const_bytep prev_row)
3905 int a = *row + *prev_row++;
3916 c = *(prev_row - bpp);
3918 b = *prev_row++;
3980 png_const_bytep prev_row, int filter)
3991 pp->read_filter[filter-1](row_info, row, prev_row);
4199 /* TO DO: don't do this if prev_row isn't needed (requires
4202 memset(png_ptr->prev_row, 0, png_ptr->rowbytes + 1);
4464 * of padding before and after row_buf; treat prev_row similarly.
4477 png_ptr->prev_row = temp - extra - 1/*filter byte*/;
4483 png_ptr->prev_row = png_ptr->big_prev_row + 31;
4496 memset(png_ptr->prev_row, 0, png_ptr->rowbytes + 1);
