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Add debug symbolizer.

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1 parent 19ed871 commit f3326115ac5a792859b254707292fb105f2cf61f @herm herm committed Jul 31, 2012
@@ -106,6 +106,9 @@ class MAPNIK_DECL agg_renderer : public feature_style_processor<agg_renderer<T>
void process(markers_symbolizer const& sym,
mapnik::feature_impl & feature,
proj_transform const& prj_trans);
+ void process(debug_symbolizer const& sym,
+ feature_impl & feature,
+ proj_transform const& prj_trans);
inline bool process(rule::symbolizers const& /*syms*/,
mapnik::feature_impl & /*feature*/,
@@ -0,0 +1,39 @@
+/*****************************************************************************
+ *
+ * This file is part of Mapnik (c++ mapping toolkit)
+ *
+ * Copyright (C) 2011 Artem Pavlenko
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ *****************************************************************************/
+
+#ifndef MAPNIK_DEBUG_SYMBOLIZER_HPP
+#define MAPNIK_DEBUG_SYMBOLIZER_HPP
+
+#include <mapnik/config.hpp>
+#include <mapnik/symbolizer.hpp>
+
+namespace mapnik
+{
+
+struct MAPNIK_DECL debug_symbolizer :
+ public symbolizer_base
+{
+ debug_symbolizer() : symbolizer_base() {}
+};
+}
+
+#endif // DEBUG_SYMBOLIZER_HPP
View
@@ -34,6 +34,7 @@
#include <mapnik/shield_symbolizer.hpp>
#include <mapnik/text_symbolizer.hpp>
#include <mapnik/markers_symbolizer.hpp>
+#include <mapnik/debug_symbolizer.hpp>
#include <mapnik/feature.hpp>
#include <mapnik/expression.hpp>
#include <mapnik/expression_string.hpp>
@@ -108,6 +109,12 @@ inline bool operator==(markers_symbolizer const& lhs,
return (&lhs == &rhs);
}
+inline bool operator==(debug_symbolizer const& lhs,
+ debug_symbolizer const& rhs)
+{
+ return (&lhs == &rhs);
+}
+
typedef boost::variant<point_symbolizer,
line_symbolizer,
line_pattern_symbolizer,
@@ -117,7 +124,8 @@ typedef boost::variant<point_symbolizer,
shield_symbolizer,
text_symbolizer,
building_symbolizer,
- markers_symbolizer> symbolizer;
+ markers_symbolizer,
+ debug_symbolizer> symbolizer;
class rule
{
@@ -0,0 +1,66 @@
+/*****************************************************************************
+ *
+ * This file is part of Mapnik (c++ mapping toolkit)
+ *
+ * Copyright (C) 2011 Artem Pavlenko
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ *****************************************************************************/
+
+// mapnik
+#include <mapnik/agg_renderer.hpp>
+#include <mapnik/agg_rasterizer.hpp>
+#include <mapnik/graphics.hpp>
+#include "agg_renderer_primitives.h"
+
+namespace mapnik {
+
+void draw_rect(image_32 &pixmap, box2d<double> const& box)
+{
+ double x0 = box.minx();
+ double x1 = box.maxx();
+ double y0 = box.miny();
+ double y1 = box.maxy();
+ unsigned color1 = 0xff0000ff;
+ for (double x=x0; x<x1; x++)
+ {
+ pixmap.setPixel(x, y0, color1);
+ pixmap.setPixel(x, y1, color1);
+ }
+ for (double y=y0; y<y1; y++)
+ {
+ pixmap.setPixel(x0, y, color1);
+ pixmap.setPixel(x1, y, color1);
+ }
+}
+
+template <typename T>
+void agg_renderer<T>::process(debug_symbolizer const& sym,
+ mapnik::feature_impl & feature,
+ proj_transform const& prj_trans)
+{
+ label_collision_detector4::query_iterator itr = detector_->begin(), end = detector_->end();
+ for (;itr!=end; itr++)
+ {
+ draw_rect(pixmap_, itr->box);
+ }
+}
+
+template void agg_renderer<image_32>::process(debug_symbolizer const&,
+ mapnik::feature_impl &,
+ proj_transform const&);
+}
+
View
@@ -258,6 +258,7 @@ def ldconfig(*args,**kwargs):
agg/process_raster_symbolizer.cpp
agg/process_shield_symbolizer.cpp
agg/process_markers_symbolizer.cpp
+ agg/process_debug_symbolizer.cpp
"""
)
View
@@ -109,6 +109,7 @@ class map_parser : boost::noncopyable {
void parse_building_symbolizer(rule & rule, xml_node const& sym);
void parse_raster_symbolizer(rule & rule, xml_node const& sym);
void parse_markers_symbolizer(rule & rule, xml_node const& sym);
+ void parse_debug_symbolizer(rule & rule, xml_node const& sym);
void parse_raster_colorizer(raster_colorizer_ptr const& rc, xml_node const& node);
bool parse_stroke(stroke & strk, xml_node const & sym);
@@ -806,6 +807,10 @@ void map_parser::parse_rule(feature_type_style & style, xml_node const& r)
{
parse_markers_symbolizer(rule, *symIter);
}
+ else if (symIter->is("DebugSymbolizer"))
+ {
+ parse_debug_symbolizer(rule, *symIter);
+ }
}
style.add_rule(rule);
@@ -1536,6 +1541,14 @@ void map_parser::parse_raster_symbolizer(rule & rule, xml_node const & sym)
}
}
+void map_parser::parse_debug_symbolizer(rule & rule, xml_node const & sym)
+{
+ debug_symbolizer symbol;
+
+ parse_symbolizer_base(symbol, sym);
+ rule.append(symbol);
+}
+
void map_parser::parse_raster_colorizer(raster_colorizer_ptr const& rc,
xml_node const& node)
{

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