.. _program_listing_file__tmp_ws_src_vitis_common_include_imgproc_xf_paintmask.hpp:

Program Listing for File xf_paintmask.hpp
=========================================

|exhale_lsh| :ref:`Return to documentation for file <file__tmp_ws_src_vitis_common_include_imgproc_xf_paintmask.hpp>` (``/tmp/ws/src/vitis_common/include/imgproc/xf_paintmask.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_THRESHOLD_HPP_
   #define _XF_THRESHOLD_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 {
   
   /*Paint mask function masks certain area of image depends on input mask */
   template <int SRC_T,
             int MASK_T,
             int ROWS,
             int COLS,
             int DEPTH,
             int NPC,
             int WORDWIDTH_SRC,
             int WORDWIDTH_DST,
             int WORDWIDTH_MASK,
             int COLS_TRIP>
   void xFpaintmaskKernel(xf::cv::Mat<SRC_T, ROWS, COLS, NPC>& _src_mat,
                          xf::cv::Mat<SRC_T, ROWS, COLS, NPC>& _in_mask,
                          xf::cv::Mat<SRC_T, ROWS, COLS, NPC>& _dst_mat,
                          xf::cv::Scalar<XF_CHANNELS(SRC_T, NPC), unsigned char>& color,
                          unsigned short height,
                          unsigned short width) {
       XF_SNAME(WORDWIDTH_SRC) val_src;
       XF_SNAME(WORDWIDTH_MASK) in_mask;
       XF_SNAME(WORDWIDTH_DST) val_dst;
       XF_PTNAME(DEPTH) p, mask;
       short int depth = XF_DTPIXELDEPTH(SRC_T, NPC) / XF_CHANNELS(SRC_T, NPC);
       XF_PTNAME(DEPTH) arr_color[XF_CHANNELS(SRC_T, NPC)];
   // clang-format off
       #pragma HLS ARRAY_PARTITION variable=arr_color dim=1 complete
       // clang-format on
       for (int i = 0; i < (XF_CHANNELS(SRC_T, NPC)); i++) {
           arr_color[i] = color.val[i];
       }
       ap_uint<13> i, j, k, planes;
   rowLoop:
       for (i = 0; i < height; i++) {
   // clang-format off
           #pragma HLS LOOP_TRIPCOUNT min=ROWS max=ROWS
           #pragma HLS LOOP_FLATTEN off
           // clang-format on
           ap_uint<8> channels = XF_CHANNELS(SRC_T, NPC);
       colLoop:
           for (j = 0; j < width; j++) {
   // clang-format off
               #pragma HLS LOOP_TRIPCOUNT min=COLS_TRIP max=COLS_TRIP
               #pragma HLS pipeline
               // clang-format on
   
               val_src =
                   (XF_SNAME(WORDWIDTH_SRC))(_src_mat.read(i * width + j)); // reading the source stream _src into val_src
               in_mask = (XF_SNAME(WORDWIDTH_MASK))(
                   _in_mask.read(i * width + j)); // reading the input mask stream _in_mask into in_mask
               for (k = 0, planes = 0; k < (XF_WORDDEPTH(WORDWIDTH_SRC)); k += depth, planes++) {
   // clang-format off
                   #pragma HLS unroll
                   // clang-format on
                   p = val_src.range(k + (depth - 1), k);
                   mask = in_mask.range(k + (depth - 1), k);
                   if (mask != 0) {
                       if (NPC != 1)
                           val_dst.range(k + (depth - 1), k) = arr_color[0];
                       else
                           val_dst.range(k + (depth - 1), k) = arr_color[planes];
                   } else {
                       val_dst.range(k + (depth - 1), k) = p;
                   }
               }
   
               _dst_mat.write(i * width + j, val_dst); // writing the val_dst into output stream _dst
           }
       }
   }
   
   /* Paint mask API call*/
   template <int SRC_T, int MASK_T, int ROWS, int COLS, int NPC = 1>
   void paintmask(xf::cv::Mat<SRC_T, ROWS, COLS, NPC>& _src_mat,
                  xf::cv::Mat<MASK_T, ROWS, COLS, NPC>& in_mask,
                  xf::cv::Mat<SRC_T, ROWS, COLS, NPC>& _dst_mat,
                  unsigned char _color[XF_CHANNELS(SRC_T, NPC)]) {
       unsigned short width = _src_mat.cols >> XF_BITSHIFT(NPC);
       unsigned short height = _src_mat.rows;
       xf::cv::Scalar<XF_CHANNELS(SRC_T, NPC), unsigned char> color;
       for (int i = 0; i < XF_CHANNELS(SRC_T, NPC); i++) {
           color.val[i] = _color[i];
       }
   #ifndef __SYNTHESIS__
       assert((SRC_T == XF_8UC1) && "Type must be XF_8UC1");
       assert(((NPC == XF_NPPC1) || (NPC == XF_NPPC8)) && "NPC must be XF_NPPC1, XF_NPPC8");
       assert(((height <= ROWS) && (width <= COLS)) && "ROWS and COLS should be greater than input image");
   #endif
   // clang-format off
       #pragma HLS INLINE OFF
       // clang-format on
   
       xFpaintmaskKernel<SRC_T, MASK_T, ROWS, COLS, XF_DEPTH(SRC_T, NPC), NPC, XF_WORDWIDTH(SRC_T, NPC),
                         XF_WORDWIDTH(SRC_T, NPC), XF_WORDWIDTH(MASK_T, NPC), (COLS >> XF_BITSHIFT(NPC))>(
           _src_mat, in_mask, _dst_mat, color, height, width);
   }
   } // namespace cv
   } // namespace xf
   
   #endif