void scene_renderer_t::render_and_filter_shape( const shape_t& s, int bbox_index)
{
RAMEN_ASSERT( bbox_index >= 0 && bbox_index <= filtered_bboxes_.size());
boost::gil::fill_pixels( boost::gil::view( buf_), image::gray_pixel_t( 0));
boost::gil::fill_pixels( boost::gil::view( tmp_), image::gray_pixel_t( 0));
ren_base_type ren_base;
agg::scanline_u8 sl;
agg::rasterizer_scanline_aa<> ras;
renderer_type ren;
ren_base.set_view( boost::gil::view( buf_));
ren.attach( ren_base);
ras.gamma( agg::gamma_none());
convert_to_path( s, path_, filtered_bboxes_[bbox_index].min, subsample_);
agg::conv_curve<agg::path_storage> cpath( path_);
ras.add_path( cpath);
ras.filling_rule( agg::fill_non_zero);
ren.color( color_type( 1.0f, 1.0f));
agg::render_scanlines( ras, sl, ren);
image::gray_image_view_t buf_view( boost::gil::view( buf_));
float g = s.grow();
if( g != 0.0f)
{
/*
image::gray_image_view_t subbuf_view( boost::gil::subimage_view( buf_view,
bboxes_[bbox_index].min.x - filtered_bboxes_[bbox_index].min.x,
bboxes_[bbox_index].min.y - filtered_bboxes_[bbox_index].min.y,
bboxes_[bbox_index].size().x + 1, bboxes_[bbox_index].size().y + 1));
image::dilate( subbuf_view, boost::gil::view( tmp_), subbuf_view, g / aspect_ / subsample_, g / subsample_);
*/
boost::gil::fill_pixels( boost::gil::view( tmp_), image::gray_pixel_t( 0));
image::dilate( buf_view, boost::gil::view( tmp_), buf_view, g / aspect_ / subsample_, g / subsample_);
}
Imath::V2f blur = s.blur();
if( blur.x != 0.0f || blur.y != 0.0f)
{
boost::gil::fill_pixels( boost::gil::view( tmp_), image::gray_pixel_t( 0));
image::box_blur_gray( buf_view, boost::gil::view( tmp_), buf_view, blur.x / aspect_ / subsample_, blur.y / subsample_, 1);
}
Imath::Box2i common_area = ImathExt::intersect( area_, filtered_bboxes_[bbox_index]);
if( !common_area.isEmpty())
{
image::gray_image_view_t bg_view( boost::gil::subimage_view( boost::gil::view( pixels_),
common_area.min.x - area_.min.x,
common_area.min.y - area_.min.y,
common_area.size().x,
common_area.size().y));
boost::gil::tbb_transform2_pixels( boost::gil::subimage_view( buf_view,
common_area.min.x - filtered_bboxes_[bbox_index].min.x,
common_area.min.y - filtered_bboxes_[bbox_index].min.y,
common_area.size().x,
common_area.size().y),
bg_view, bg_view, composite_layer( s.color(), s.opacity()));
}
}
