.. _program_listing_file__tmp_ws_src_vitis_common_include_imgproc_xf_boundingbox.hpp:

Program Listing for File xf_boundingbox.hpp
===========================================

|exhale_lsh| :ref:`Return to documentation for file <file__tmp_ws_src_vitis_common_include_imgproc_xf_boundingbox.hpp>` (``/tmp/ws/src/vitis_common/include/imgproc/xf_boundingbox.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   /*
    * Copyright 2019 Xilinx, Inc.
    *
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    *     http://www.apache.org/licenses/LICENSE-2.0
    *
    * Unless required by applicable law or agreed to in writing, software
    * distributed under the License is distributed on an "AS IS" BASIS,
    * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    * See the License for the specific language governing permissions and
    * limitations under the License.
    */
   
   #ifndef _XF_BOUNDINGBOX_HPP_
   #define _XF_BOUNDINGBOX_HPP_
   
   #ifndef __cplusplus
   #error C++ is needed to include this header
   #endif
   
   typedef unsigned short uint16_t;
   typedef unsigned char uchar;
   
   #include "hls_stream.h"
   #include "../common/xf_common.hpp"
   #include "../common/xf_utility.hpp"
   
   namespace xf {
   namespace cv {
   // template<int NPC>
   // bool IsOnBoundary(unsigned int i, unsigned int j, unsigned int r, unsigned int c, unsigned int r_new, unsigned int
   // c_new)
   //{
   //#pragma HLS INLINE OFF
   //
   //  if((((i==r) || (i==(r_new-1))) &&  j<c_new && j>=c) || (((j==c) || (j==(c_new-1))) && i<r_new && i>=r))
   //  {
   //
   //      return 1;
   //
   //  }
   //  else
   //  {
   //      return 0;
   //
   //  }
   //
   //
   //}
   template <int SRC_T,
             int ROWS,
             int COLS,
             int MAX_BOXES,
             int DEPTH,
             int NPC,
             int WORDWIDTH_SRC,
             int WORDWIDTH_DST,
             int COLS_TRIP>
   void xFboundingboxkernel(xf::cv::Mat<SRC_T, ROWS, COLS, NPC>& _src_mat,
                            xf::cv::Rect_<int>* roi,
                            xf::cv::Scalar<4, unsigned char>* color,
                            int num_box,
                            unsigned short height,
                            unsigned short width) {
   // clang-format off
       #pragma HLS INLINE
       // clang-format on
       XF_SNAME(WORDWIDTH_SRC) val_src = 0, val_dst = 0;
       ap_uint<13> r[MAX_BOXES], c[MAX_BOXES], r_new[MAX_BOXES], c_new[MAX_BOXES];
       XF_TNAME(SRC_T, NPC) color_box[MAX_BOXES];
   // clang-format off
       #pragma HLS ARRAY_PARTITION variable=r complete
       #pragma HLS ARRAY_PARTITION variable=c complete
       #pragma HLS ARRAY_PARTITION variable=r_new complete
       #pragma HLS ARRAY_PARTITION variable=r_new complete
       #pragma HLS ARRAY_PARTITION variable=color_box complete
       // clang-format on
   
       ap_uint<2> found = 0;
       ap_uint<2> modify_pix = 0;
       int color_idx = 0;
       ap_uint<13> r_idx = 0, r_newidx = 0, c_idx = 0, c_newidx = 0;
   
       for (ap_uint<13> i = 0; i < num_box; i++) {
   // clang-format off
           #pragma HLS LOOP_TRIPCOUNT min=MAX_BOXES max=MAX_BOXES
           #pragma HLS UNROLL
           // clang-format on
           /*  r[i]=roi[i].x;
                   r_new[i]=roi[i].x+roi[i].height;
                   c[i]=roi[i].y ;
                   c_new[i]=(roi[i].y+roi[i].width);*/
   
           c[i] = roi[i].x;
           c_new[i] = roi[i].x + roi[i].width;
           r[i] = roi[i].y;
           r_new[i] = (roi[i].y + roi[i].height);
       }
       for (int i = 0; i < (num_box); i++) {
   // clang-format off
           #pragma HLS LOOP_TRIPCOUNT min=MAX_BOXES max=MAX_BOXES
           #pragma HLS PIPELINE
           // clang-format on
           for (int j = 0, k = 0; j < (XF_CHANNELS(SRC_T, NPC)); j++, k += XF_DTPIXELDEPTH(SRC_T, NPC)) {
   // clang-format off
               #pragma HLS UNROLL
               // clang-format on
               color_box[i].range(k + (XF_DTPIXELDEPTH(SRC_T, NPC) - 1), k) = color[i].val[j];
           }
       }
   
       for (ap_uint<13> b = 0; b < num_box; b++) {
   // clang-format off
           #pragma HLS LOOP_TRIPCOUNT min=MAX_BOXES max=MAX_BOXES
       // clang-format on
       colLoop:
           for (ap_uint<13> j = c[b]; j < (c_new[b]); j++) {
   // clang-format off
               #pragma HLS LOOP_TRIPCOUNT min=COLS max=COLS
               #pragma HLS pipeline
               // clang-format on
               _src_mat.write(r[b] * width + j, color_box[b]);
           }
           for (ap_uint<13> j = c[b]; j < (c_new[b]); j++) {
   // clang-format off
               #pragma HLS LOOP_TRIPCOUNT min=COLS max=COLS
               #pragma HLS pipeline
               // clang-format on
   
               _src_mat.write((r_new[b] - 1) * width + j, color_box[b]);
           }
   
       rowLoop1:
           for (ap_uint<13> i = (r[b] + 1); i < (r_new[b] - 1); i++) {
   // clang-format off
               #pragma HLS LOOP_TRIPCOUNT min=ROWS max=ROWS
               #pragma HLS pipeline
               // clang-format on
               //  #pragma HLS LOOP_FLATTEN
   
               _src_mat.write(i * width + c[b], color_box[b]);
               _src_mat.write(i * width + (c_new[b] - 1), color_box[b]);
           }
       }
   }
   
   template <int SRC_T, int ROWS, int COLS, int MAX_BOXES = 1, int NPC = 1>
   void boundingbox(xf::cv::Mat<SRC_T, ROWS, COLS, NPC>& _src_mat,
                    xf::cv::Rect_<int>* roi,
                    xf::cv::Scalar<4, unsigned char>* color,
                    int num_box) {
       unsigned short width = _src_mat.cols;
       unsigned short height = _src_mat.rows;
   #ifndef __SYNTHESIS__
       assert((SRC_T == XF_8UC1) || (SRC_T == XF_8UC4) && "Type must be XF_8UC1 or XF_8UC4");
       assert((NPC == XF_NPPC1) && "NPC must be 1, Multipixel parallelism is not supported");
   
       assert(((height <= ROWS) && (width <= COLS)) && "ROWS and COLS should be greater than input image");
   
       for (int i = 0; i < num_box; i++) {
           assert(((roi[i].height <= height) && (roi[i].width <= width)) &&
                  "ROI dimensions should be smaller or equal to the input image");
           assert(((roi[i].height > 0) && (roi[i].width > 0)) && "ROI  dimensions should be greater than 0");
           assert(((roi[i].height + roi[i].y <= height) && (roi[i].width + roi[i].x <= width)) &&
                  "ROI area exceeds the input image area");
       }
   #endif
   // clang-format off
       #pragma HLS INLINE
       // clang-format on
   
       xFboundingboxkernel<SRC_T, ROWS, COLS, MAX_BOXES, XF_DEPTH(SRC_T, NPC), NPC, XF_WORDWIDTH(SRC_T, NPC),
                           XF_WORDWIDTH(SRC_T, NPC), (COLS >> XF_BITSHIFT(NPC))>(_src_mat, roi, color, num_box, height,
                                                                                 width);
   }
   } // namespace cv
   } // namespace xf
   
   #endif