// Copyright (C) 2008 Davis E. King (davis@dlib.net) // License: Boost Software License See LICENSE.txt for the full license. #undef DLIB_DRAW_IMAGe_ABSTRACT #ifdef DLIB_DRAW_IMAGe_ABSTRACT namespace dlib { // ---------------------------------------------------------------------------------------- template < typename image_type > void draw_line ( long x1, long y1, long x2, long y2, image_type& img, typename image_type::type val ); /*! requires - image_type == is an implementation of array2d/array2d_kernel_abstract.h ensures - #img.nr() == img.nr() && #img.nc() == img.nc() (i.e. the dimensions of the input image are not chanaged) - for all valid r and c that are on the line between point (x1,y1) and point (x2,y2): - performs img[r][c] = val (i.e. it draws the line from (x1,y1) to (x2,y2) onto the image) !*/ // ---------------------------------------------------------------------------------------- } #endif // DLIB_DRAW_IMAGe_ABSTRACT