Merge commit '542805e4d6eb6672753bae45ac72887be279f9c7' into harfbuzz

Conflicts:
	tests/visual_tests/test.py

benchmark/run.cpp

@@ -392,13 +392,15 @@ struct test8
 
     bool validate()
     {
-        mapnik::expression_grammar<std::string::const_iterator> expr_grammar(transcoder("utf-8"));
+         transcoder tr("utf-8");
+         mapnik::expression_grammar<std::string::const_iterator> expr_grammar(tr);
          mapnik::expression_ptr expr = mapnik::parse_expression(expr_,expr_grammar);
          return mapnik::to_expression_string(*expr) == expr_;
     }
     void operator()()
     {
-         mapnik::expression_grammar<std::string::const_iterator> expr_grammar(transcoder("utf-8"));
+         transcoder tr("utf-8");
+         mapnik::expression_grammar<std::string::const_iterator> expr_grammar(tr);
          for (unsigned i=0;i<iter_;++i) {
              mapnik::expression_ptr expr = mapnik::parse_expression(expr_,expr_grammar);
          }

bindings/python/mapnik_map.cpp

@@ -155,7 +155,7 @@ void export_map()
 
     class_<style_range>("StyleRange")
         .def("__iter__",
-             range(&style_range::first, &style_range::second))
+             boost::python::range(&style_range::first, &style_range::second))
         ;
 
     class_<Map>("Map","The map object.",init<int,int,optional<std::string const&> >(

include/mapnik/boolean.hpp

@@ -38,7 +38,7 @@ public:
         : b_(false)  {}
     boolean(bool b)
         : b_(b) {}
-    explicit boolean(boolean const& b)
+    boolean(boolean const& b)
         : b_(b.b_) {}
 
     operator bool() const

include/mapnik/graphics.hpp

@@ -120,7 +120,7 @@ private:
 
     inline bool checkBounds(int x, int y) const
     {
-        return (x >= 0 && x < width_ && y >= 0 && y < height_);
+        return (x >= 0 && x < static_cast<int>(width_) && y >= 0 && y < static_cast<int>(height_));
     }
 
 public:

include/mapnik/image_filter.hpp

@@ -32,6 +32,7 @@
 #include <boost/variant/static_visitor.hpp>
 #include <boost/gil/gil_all.hpp>
 #include <boost/concept_check.hpp>
+#include <boost/foreach.hpp>
 
 // agg
 #include "agg_basics.h"
@@ -39,7 +40,7 @@
 #include "agg_pixfmt_rgba.h"
 #include "agg_scanline_u.h"
 #include "agg_blur.h"
-
+#include "agg_gradient_lut.h"
 // stl
 #include <cmath>
 
@@ -404,6 +405,78 @@ void apply_filter(Src & src, agg_stack_blur const& op)
     agg::stack_blur_rgba32(pixf,op.rx,op.ry);
 }
 
+template <typename Src>
+void apply_filter(Src & src, colorize_alpha const& op)
+{
+    using namespace boost::gil;
+
+    agg::gradient_lut<agg::color_interpolator<agg::rgba8> > grad_lut;
+    grad_lut.remove_all();
+    std::size_t size = op.size();
+    if (size < 2) return;
+
+    double step = 1.0/(size-1);
+    double offset = 0.0;
+    BOOST_FOREACH( mapnik::color const& c, op)
+    {
+        grad_lut.add_color(offset, agg::rgba(c.red()/256.0,
+                                          c.green()/256.0,
+                                          c.blue()/256.0,
+                                          c.alpha()/256.0));
+        offset += step;
+    }
+    grad_lut.build_lut();
+
+    rgba8_view_t src_view = rgba8_view(src);
+    for (int y=0; y<src_view.height(); ++y)
+    {
+        rgba8_view_t::x_iterator src_it = src_view.row_begin(y);
+        for (int x=0; x<src_view.width(); ++x)
+        {
+            uint8_t & r = get_color(src_it[x], red_t());
+            uint8_t & g = get_color(src_it[x], green_t());
+            uint8_t & b = get_color(src_it[x], blue_t());
+            uint8_t & a = get_color(src_it[x], alpha_t());
+            if ( a > 0)
+            {
+                agg::rgba8 c = grad_lut[a];
+                r = (c.r * a + 255) >> 8;
+                g = (c.g * a + 255) >> 8;
+                b = (c.b * a + 255) >> 8;
+#if 0
+                // rainbow
+                r = 0;
+                g = 0;
+                b = 0;
+                if (a < 64)
+                {
+                    g = a * 4;
+                    b = 255;
+                }
+                else if (a >= 64 && a < 128)
+                {
+                    g = 255;
+                    b = 255 - ((a - 64) * 4);
+                }
+                else if (a >= 128 && a < 192)
+                {
+                    r = (a - 128) * 4;
+                    g = 255;
+                }
+                else // >= 192
+                {
+                    r = 255;
+                    g = 255 - ((a - 192) * 4);
+                }
+                r = (r * a + 255) >> 8;
+                g = (g * a + 255) >> 8;
+                b = (b * a + 255) >> 8;
+#endif
+            }
+        }
+    }
+}
+
 template <typename Src>
 void apply_filter(Src & src, hsla const& transform)
 {

include/mapnik/image_filter_grammar.hpp

@@ -27,6 +27,7 @@
 #include <boost/spirit/include/qi.hpp>
 // mapnik
 #include <mapnik/css_color_grammar.hpp>
+#include <mapnik/image_filter.hpp>
 // stl
 #include <vector>
 
@@ -45,7 +46,7 @@ struct image_filter_grammar :
     qi::rule<Iterator, qi::locals<int,int>, void(ContType&), qi::ascii::space_type> agg_blur_filter;
     qi::rule<Iterator, qi::locals<double,double,double,double,double,double,double,double>,
              void(ContType&), qi::ascii::space_type> hsla_filter;
-    qi::rule<Iterator, qi::locals<mapnik::color,mapnik::color>, void(ContType&), qi::ascii::space_type> colorize_alpha_filter;
+    qi::rule<Iterator, qi::locals<mapnik::filter::colorize_alpha>, void(ContType&), qi::ascii::space_type> colorize_alpha_filter;
     qi::rule<Iterator, qi::ascii::space_type> no_args;
     qi::uint_parser< unsigned, 10, 1, 3 > radius_;
     css_color_grammar<Iterator> css_color_;

include/mapnik/image_filter_types.hpp

@@ -98,11 +98,15 @@ struct hsla
     double a1;
 };
 
-struct colorize_alpha
+struct colorize_alpha : std::vector<mapnik::color>
 {
+    colorize_alpha() {}
     colorize_alpha(mapnik::color const& c0, mapnik::color const& c1)
     {
-         // TODO: implement me!
+        this->push_back(c0);
+        this->push_back(c1);
+        // TODO: support multiple color-stops
+        // https://developer.mozilla.org/en-US/docs/CSS/linear-gradient
     }
 };
 

plugins/input/ogr/ogr_datasource.cpp

@@ -162,7 +162,7 @@ void ogr_datasource::init(mapnik::parameters const& params)
     }
     else if (layer_by_index)
     {
-        const unsigned num_layers = dataset_->GetLayerCount();
+        int num_layers = dataset_->GetLayerCount();
         if (*layer_by_index >= num_layers)
         {
             std::ostringstream s("OGR Plugin: only ");

src/agg/process_line_pattern_symbolizer.cpp

@@ -136,6 +136,7 @@ void  agg_renderer<T>::process(line_pattern_symbolizer const& sym,
         double half_stroke = (*mark)->width()/2.0;
         if (half_stroke > 1)
             padding *= half_stroke;
+        padding *= scale_factor_;
         clipping_extent.pad(padding);
     }
 

src/agg/process_line_symbolizer.cpp

@@ -101,9 +101,11 @@ void agg_renderer<T>::process(line_symbolizer const& sym,
             padding *= half_stroke;
         if (std::fabs(sym.offset()) > 0)
             padding *= std::fabs(sym.offset()) * 1.2;
+        padding *= scale_factor_;
         clipping_extent.pad(padding);
         // debugging
-        //box2d<double> inverse(x0 + padding, y0 + padding, x1 - padding , y1 - padding);
+        //box2d<double> inverse = query_extent_;
+        //inverse.pad(-padding);
         //draw_geo_extent(inverse,mapnik::color("red"));
     }
 

src/cairo_renderer.cpp

@@ -480,6 +480,7 @@ void cairo_renderer_base::process(line_symbolizer const& sym,
             padding *= half_stroke;
         if (std::fabs(sym.offset()) > 0)
             padding *= std::fabs(sym.offset()) * 1.2;
+        padding *= scale_factor_;
         clipping_extent.pad(padding);
     }
     vertex_converter<box2d<double>, cairo_context, line_symbolizer,

src/grid/process_line_symbolizer.cpp

@@ -80,6 +80,7 @@ void grid_renderer<T>::process(line_symbolizer const& sym,
             padding *= half_stroke;
         if (std::fabs(sym.offset()) > 0)
             padding *= std::fabs(sym.offset()) * 1.2;
+        padding *= scale_factor_;
         clipping_extent.pad(padding);
     }
 

src/image_filter_grammar.cpp

@@ -22,7 +22,6 @@
 
 // mapnik
 #include <mapnik/image_filter_grammar.hpp>
-#include <mapnik/image_filter.hpp>
 
 // boost
 #include <boost/version.hpp>
@@ -110,11 +109,11 @@ image_filter_grammar<Iterator,ContType>::image_filter_grammar()
         [push_back(_r1, construct<mapnik::filter::hsla>(_a,_b,_c,_d,_e,_f,_g,_h))]
         ;
 
-    colorize_alpha_filter = lit("colorize-alpha")
+    colorize_alpha_filter = lit("colorize-alpha")[_a = construct<mapnik::filter::colorize_alpha>()]
         >> lit('(')
-        >> css_color_[_a = _1] >> lit(',')
-        >> css_color_[_b = _1] >> lit(')')
-        [push_back(_r1,construct<mapnik::filter::colorize_alpha>(_a,_b))]
+        >> css_color_[push_back(_a, _1)]
+        >> +(lit(',') >> css_color_[push_back(_a, _1)])
+        >> lit(')') [push_back(_r1,_a)]
         ;
 
     no_args = -(lit('(') >> lit(')'));

utils/mapnik-config/mapnik-config.template.sh

@@ -23,7 +23,7 @@ Known values for OPTION are:
   --includes        include paths (-I) for Mapnik headers (new in 2.2.x)
   --dep-includes    include paths (-I) for Mapnik dependencies (new in 2.2.x)
   --cxxflags        c++ compiler flags and pre-processor defines (new in 2.2.x)
-  --cflags          c++ compiler flags and pre-processor defines (same as cxxflags, for back-compatibility)
+  --cflags          all include paths, compiler flags, and pre-processor defines (for back-compatibility)
 EOF
 
     exit $1
@@ -110,7 +110,7 @@ while test $# -gt 0; do
       ;;
 
     --cflags)
-      echo -I${CONFIG_MAPNIK_INCLUDE} ${CONFIG_DEP_INCLUDES} ${CONFIG_MAPNIK_DEFINES}
+      echo -I${CONFIG_MAPNIK_INCLUDE} ${CONFIG_DEP_INCLUDES} ${CONFIG_MAPNIK_DEFINES} ${CONFIG_CXXFLAGS}
       ;;
 
     *)