+ implement cairo_context wrapper and remove unnecessary dependencies

( cairomm, libsigc++)

SConstruct

@@ -49,7 +49,7 @@ SCONF_TEMP_DIR = '.sconf_temp'
 # auto-search directories for boost libs/headers
 BOOST_SEARCH_PREFIXES = ['/usr/local','/opt/local','/sw','/usr',]
 BOOST_MIN_VERSION = '1.47'
-CAIROMM_MIN_VERSION = '1.8.0'
+#CAIROMM_MIN_VERSION = '1.8.0'
 
 DEFAULT_LINK_PRIORITY = ['internal','other','frameworks','user','system']
 
@@ -60,8 +60,8 @@ pretty_dep_names = {
     'ogr':'OGR-enabled GDAL C++ Library | configured using gdal-config program | try setting GDAL_CONFIG SCons option | more info: https://github.com/mapnik/mapnik/wiki//OGR',
     'geos_c':'GEOS Simple Geometry Specification C Library | configured with GEOS_LIB & GEOS_INCLUDE | more info: https://github.com/mapnik/mapnik/wiki//GEOS',
     'cairo':'Cairo C library | configured using pkg-config | try setting PKG_CONFIG_PATH SCons option',
-    'cairomm':'Cairomm C++ bindings to Cairo library | configured using pkg-config | try setting PKG_CONFIG_PATH SCons option',
+    #'cairomm':'Cairomm C++ bindings to Cairo library | configured using pkg-config | try setting PKG_CONFIG_PATH SCons option',
-    'cairomm-version':'Cairomm version is too old (so cairo renderer will not be built), you need at least %s' % CAIROMM_MIN_VERSION,
+    #'cairomm-version':'Cairomm version is too old (so cairo renderer will not be built), you need at least %s' % CAIROMM_MIN_VERSION,
     'pycairo':'Python bindings to Cairo library | configured using pkg-config | try setting PKG_CONFIG_PATH SCons option',
     'proj':'Proj.4 C Projections library | configure with PROJ_LIBS & PROJ_INCLUDES | more info: http://trac.osgeo.org/proj/',
     'pg':'Postgres C Library requiered for PostGIS plugin | configure with pg_config program | more info: https://github.com/mapnik/mapnik/wiki//PostGIS',
@@ -333,8 +333,8 @@ opts.AddVariables(
     # Note: cairo, cairomm, and pycairo all optional but configured automatically through pkg-config
     # Therefore, we use a single boolean for whether to attempt to build cairo support.
     BoolVariable('CAIRO', 'Attempt to build with Cairo rendering support', 'True'),
-    PathVariable('CAIRO_INCLUDES', 'Search path for cairo/cairomm include files', '',PathVariable.PathAccept),
+    PathVariable('CAIRO_INCLUDES', 'Search path for cairo include files', '',PathVariable.PathAccept),
-    PathVariable('CAIRO_LIBS', 'Search path for cairo/cairomm library files','',PathVariable.PathAccept),
+    PathVariable('CAIRO_LIBS', 'Search path for cairo library files','',PathVariable.PathAccept),
     ('GDAL_CONFIG', 'The path to the gdal-config executable for finding gdal and ogr details.', 'gdal-config'),
     ('PG_CONFIG', 'The path to the pg_config executable.', 'pg_config'),
     PathVariable('OCCI_INCLUDES', 'Search path for OCCI include files', '/usr/lib/oracle/10.2.0.3/client/include', PathVariable.PathAccept),
@@ -1277,17 +1277,17 @@ if not preconfigured:
                     c_inc = os.path.dirname(c_inc)
                 env["CAIROMM_CPPPATHS"].extend(
                     [
-                      os.path.join(c_inc,'include/cairomm-1.0'),
+                      #os.path.join(c_inc,'include/cairomm-1.0'),
-                      os.path.join(c_inc,'lib/cairomm-1.0/include'),
+                      #os.path.join(c_inc,'lib/cairomm-1.0/include'),
                       os.path.join(c_inc,'include/cairo'),
-                      os.path.join(c_inc,'include/sigc++-2.0'),
+                      #os.path.join(c_inc,'include/sigc++-2.0'),
-                      os.path.join(c_inc,'lib/sigc++-2.0/include'),
+                      #os.path.join(c_inc,'lib/sigc++-2.0/include'),
                       os.path.join(c_inc,'include/pixman-1'),
                       #os.path.join(c_inc,'include/freetype2'),
                       #os.path.join(c_inc,'include/libpng'),
                     ]
                 )
-                env["CAIROMM_LINKFLAGS"] = ['cairo','cairomm-1.0']
+                env["CAIROMM_LINKFLAGS"] = ['cairo']
                 if env['RUNTIME_LINK'] == 'static':
                     env["CAIROMM_LINKFLAGS"].extend(
                         ['sigc-2.0','pixman-1','expat','fontconfig','iconv']
@@ -1299,40 +1299,40 @@ if not preconfigured:
                 env['HAS_CAIRO'] = False
                 env['SKIPPED_DEPS'].append('pkg-config')
                 env['SKIPPED_DEPS'].append('cairo')
-                env['SKIPPED_DEPS'].append('cairomm')
+                #env['SKIPPED_DEPS'].append('cairomm')
             elif not conf.CheckPKG('cairo'):
                 env['HAS_CAIRO'] = False
                 env['SKIPPED_DEPS'].append('cairo')
-            elif not conf.CheckPKG('cairomm-1.0'):
+            #elif not conf.CheckPKG('cairomm-1.0'):
-                env['HAS_CAIRO'] = False
+            #    env['HAS_CAIRO'] = False
-                env['SKIPPED_DEPS'].append('cairomm')
+            #    env['SKIPPED_DEPS'].append('cairomm')
-            elif not conf.CheckPKGVersion('cairomm-1.0',CAIROMM_MIN_VERSION):
+            #elif not conf.CheckPKGVersion('cairomm-1.0',CAIROMM_MIN_VERSION):
-                env['HAS_CAIRO'] = False
+            #    env['HAS_CAIRO'] = False
-                env['SKIPPED_DEPS'].append('cairomm-version')
+            #    env['SKIPPED_DEPS'].append('cairomm-version')
-            else:
+            #else:
-                print 'Checking for cairo/cairomm lib and include paths... ',
+            #    print 'Checking for cairo/cairomm lib and include paths... ',
-                cmd = 'pkg-config --libs --cflags cairomm-1.0'
+            #    cmd = 'pkg-config --libs --cflags cairomm-1.0'
-                if env['RUNTIME_LINK'] == 'static':
+            #    if env['RUNTIME_LINK'] == 'static':
-                    cmd += ' --static'
+            #        cmd += ' --static'
-                cairo_env = env.Clone()
+            #    cairo_env = env.Clone()
-                try:
+            #    try:
-                    cairo_env.ParseConfig(cmd)
+            #        cairo_env.ParseConfig(cmd)
-                    for lib in cairo_env['LIBS']:
+            #        for lib in cairo_env['LIBS']:
-                        if not lib in env['LIBS']:
+            #            if not lib in env['LIBS']:
-                            env["CAIROMM_LINKFLAGS"].append(lib)
+            #                env["CAIROMM_LINKFLAGS"].append(lib)
-                    for lpath in cairo_env['LIBPATH']:
+            #        for lpath in cairo_env['LIBPATH']:
-                        if not lpath in env['LIBPATH']:
+            #            if not lpath in env['LIBPATH']:
-                            env["CAIROMM_LIBPATHS"].append(lpath)
+            #                env["CAIROMM_LIBPATHS"].append(lpath)
-                    for inc in cairo_env['CPPPATH']:
+            #        for inc in cairo_env['CPPPATH']:
-                        if not inc in env['CPPPATH']:
+            #            if not inc in env['CPPPATH']:
-                            env["CAIROMM_CPPPATHS"].append(inc)
+            #                env["CAIROMM_CPPPATHS"].append(inc)
-                    env['HAS_CAIRO'] = True
+            #        env['HAS_CAIRO'] = True
-                    print 'yes'
+            #        print 'yes'
-                except OSError,e:
+            #    except OSError,e:
-                    color_print(1,'no')
+            #        color_print(1,'no')
-                    env['SKIPPED_DEPS'].append('cairo')
+            #        env['SKIPPED_DEPS'].append('cairo')
-                    env['SKIPPED_DEPS'].append('cairomm')
+            #        env['SKIPPED_DEPS'].append('cairomm')
-                    color_print(1,'pkg-config reported: %s' % e)
+            #        color_print(1,'pkg-config reported: %s' % e)
 
     else:
         color_print(4,'Not building with cairo support, pass CAIRO=True to enable')

bindings/python/mapnik_image.cpp

@@ -46,7 +46,7 @@ extern "C"
 
 // cairo
 #if defined(HAVE_CAIRO) && defined(HAVE_PYCAIRO)
-#include <cairomm/surface.h>
+#include <mapnik/cairo_context.hpp>
 #include <pycairo.h>
 #endif
 
@@ -158,17 +158,16 @@ void blend (image_32 & im, unsigned x, unsigned y, image_32 const& im2, float op
     im.set_rectangle_alpha2(im2.data(),x,y,opacity);
 }
 
-
 void composite(image_32 & dst, image_32 & src, mapnik::composite_mode_e mode, float opacity)
 {
     mapnik::composite(dst.data(),src.data(),mode,opacity,0,0,false);
 }
 
 #if defined(HAVE_CAIRO) && defined(HAVE_PYCAIRO)
-boost::shared_ptr<image_32> from_cairo(PycairoSurface* surface)
+boost::shared_ptr<image_32> from_cairo(PycairoSurface* py_surface)
 {
-    Cairo::RefPtr<Cairo::ImageSurface> s(new Cairo::ImageSurface(surface->surface));
+    mapnik::cairo_surface_ptr surface(py_surface->surface, mapnik::cairo_surface_closer());
-    boost::shared_ptr<image_32> image_ptr = boost::make_shared<image_32>(s);
+    boost::shared_ptr<image_32> image_ptr = boost::make_shared<image_32>(surface);
     return image_ptr;
 }
 #endif

bindings/python/mapnik_python.cpp

@@ -163,92 +163,92 @@ void render_layer2(const mapnik::Map& map,
 #if defined(HAVE_CAIRO) && defined(HAVE_PYCAIRO)
 
 void render3(const mapnik::Map& map,
-             PycairoSurface* surface,
+             PycairoSurface* py_surface,
              double scale_factor = 1.0,
              unsigned offset_x = 0,
              unsigned offset_y = 0)
 {
     python_unblock_auto_block b;
-    Cairo::RefPtr<Cairo::Surface> s(new Cairo::Surface(surface->surface));
+    mapnik::cairo_surface_ptr surface(cairo_surface_reference(py_surface->surface), mapnik::cairo_surface_closer());
-    mapnik::cairo_renderer<Cairo::Surface> ren(map,s,scale_factor,offset_x,offset_y);
+    mapnik::cairo_renderer<mapnik::cairo_surface_ptr> ren(map,surface,scale_factor,offset_x,offset_y);
     ren.apply();
 }
 
-void render4(const mapnik::Map& map, PycairoSurface* surface)
+void render4(const mapnik::Map& map, PycairoSurface* py_surface)
 {
     python_unblock_auto_block b;
-    Cairo::RefPtr<Cairo::Surface> s(new Cairo::Surface(surface->surface));
+    mapnik::cairo_surface_ptr surface(cairo_surface_reference(py_surface->surface), mapnik::cairo_surface_closer());
-    mapnik::cairo_renderer<Cairo::Surface> ren(map,s);
+    mapnik::cairo_renderer<mapnik::cairo_surface_ptr> ren(map,surface);
     ren.apply();
 }
 
 void render5(const mapnik::Map& map,
-             PycairoContext* context,
+             PycairoContext* py_context,
              double scale_factor = 1.0,
              unsigned offset_x = 0,
              unsigned offset_y = 0)
 {
     python_unblock_auto_block b;
-    Cairo::RefPtr<Cairo::Context> c(new Cairo::Context(context->ctx));
+    mapnik::cairo_ptr context(py_context->ctx, mapnik::cairo_closer());
-    mapnik::cairo_renderer<Cairo::Context> ren(map,c,scale_factor,offset_x, offset_y);
+    mapnik::cairo_renderer<mapnik::cairo_ptr> ren(map,context,scale_factor,offset_x, offset_y);
     ren.apply();
 }
 
-void render6(const mapnik::Map& map, PycairoContext* context)
+void render6(const mapnik::Map& map, PycairoContext* py_context)
 {
     python_unblock_auto_block b;
-    Cairo::RefPtr<Cairo::Context> c(new Cairo::Context(context->ctx));
+    mapnik::cairo_ptr context(py_context->ctx, mapnik::cairo_closer());
-    mapnik::cairo_renderer<Cairo::Context> ren(map,c);
+    mapnik::cairo_renderer<mapnik::cairo_ptr> ren(map,context);
     ren.apply();
 }
 
 void render_with_detector2(
     const mapnik::Map& map,
-    PycairoContext* context,
+    PycairoContext* py_context,
     boost::shared_ptr<mapnik::label_collision_detector4> detector)
 {
     python_unblock_auto_block b;
-    Cairo::RefPtr<Cairo::Context> c(new Cairo::Context(context->ctx));
+    mapnik::cairo_ptr context(py_context->ctx, mapnik::cairo_closer());
-    mapnik::cairo_renderer<Cairo::Context> ren(map,c,detector);
+    mapnik::cairo_renderer<mapnik::cairo_ptr> ren(map,context,detector);
     ren.apply();
 }
 
 void render_with_detector3(
     const mapnik::Map& map,
-    PycairoContext* context,
+    PycairoContext* py_context,
     boost::shared_ptr<mapnik::label_collision_detector4> detector,
     double scale_factor = 1.0,
     unsigned offset_x = 0u,
     unsigned offset_y = 0u)
 {
     python_unblock_auto_block b;
-    Cairo::RefPtr<Cairo::Context> c(new Cairo::Context(context->ctx));
+    mapnik::cairo_ptr context(py_context->ctx, mapnik::cairo_closer());
-    mapnik::cairo_renderer<Cairo::Context> ren(map,c,detector,scale_factor,offset_x,offset_y);
+    mapnik::cairo_renderer<mapnik::cairo_ptr> ren(map,context,detector,scale_factor,offset_x,offset_y);
     ren.apply();
 }
 
 void render_with_detector4(
     const mapnik::Map& map,
-    PycairoSurface* surface,
+    PycairoSurface* py_surface,
     boost::shared_ptr<mapnik::label_collision_detector4> detector)
 {
     python_unblock_auto_block b;
-    Cairo::RefPtr<Cairo::Surface> s(new Cairo::Surface(surface->surface));
+    mapnik::cairo_surface_ptr surface(cairo_surface_reference(py_surface->surface), mapnik::cairo_surface_closer());
-    mapnik::cairo_renderer<Cairo::Surface> ren(map,s,detector);
+    mapnik::cairo_renderer<mapnik::cairo_surface_ptr> ren(map, surface, detector);
     ren.apply();
 }
 
 void render_with_detector5(
     const mapnik::Map& map,
-    PycairoSurface* surface,
+    PycairoSurface* py_surface,
     boost::shared_ptr<mapnik::label_collision_detector4> detector,
     double scale_factor = 1.0,
     unsigned offset_x = 0u,
     unsigned offset_y = 0u)
 {
     python_unblock_auto_block b;
-    Cairo::RefPtr<Cairo::Surface> s(new Cairo::Surface(surface->surface));
+    mapnik::cairo_surface_ptr surface(cairo_surface_reference(py_surface->surface), mapnik::cairo_surface_closer());
-    mapnik::cairo_renderer<Cairo::Surface> ren(map,s,detector,scale_factor,offset_x,offset_y);
+    mapnik::cairo_renderer<mapnik::cairo_surface_ptr> ren(map, surface, detector, scale_factor, offset_x, offset_y);
     ren.apply();
 }
 

demo/viewer/mapwidget.cpp

@@ -37,7 +37,6 @@
 #ifdef HAVE_CAIRO
 // cairo
 #include <mapnik/cairo_renderer.hpp>
-#include <cairomm/surface.h>
 #endif
 
 #include "mapwidget.hpp"
@@ -567,12 +566,10 @@ void render_cairo(mapnik::Map const& map, double scaling_factor, QPixmap & pix)
 {
 
 #ifdef HAVE_CAIRO
-    Cairo::RefPtr<Cairo::ImageSurface> image_surface =
+    mapnik::cairo_surface_ptr image_surface(cairo_image_surface_create(CAIRO_FORMAT_ARGB32,map.width(),map.height()),
-        Cairo::ImageSurface::create(Cairo::FORMAT_ARGB32, map.width(),map.height());
+                                            mapnik::cairo_surface_closer());
-
+    mapnik::cairo_renderer<mapnik::cairo_surface_ptr> renderer(map, image_surface, scaling_factor);
-    mapnik::cairo_renderer<Cairo::Surface> png_render(map, image_surface, scaling_factor);
+    renderer.apply();
-    png_render.apply();
-
     image_32 buf(image_surface);
     QImage image((uchar*)buf.raw_data(),buf.width(),buf.height(),QImage::Format_ARGB32);
     pix = QPixmap::fromImage(image.rgbSwapped());

demo/viewer/styles_model.cpp

@@ -21,6 +21,8 @@
 #include "styles_model.hpp"
 #include <mapnik/expression_string.hpp>
 #include <mapnik/noncopyable.hpp>
+#include <mapnik/rule.hpp>
+#include <mapnik/feature_type_style.hpp>
 
 // boost
 #include <boost/concept_check.hpp>
@@ -162,6 +164,18 @@ struct symbolizer_info : public boost::static_visitor<QString>
         return QString("ShieldSymbolizer");
     }
 
+    QString operator() (mapnik::markers_symbolizer const& sym) const
+    {
+        boost::ignore_unused_variable_warning(sym);
+        return QString("MarkersSymbolizer");
+    }
+
+    QString operator() (mapnik::building_symbolizer const& sym) const
+    {
+        boost::ignore_unused_variable_warning(sym);
+        return QString("BuildingSymbolizer");
+    }
+
     template <typename T>
     QString operator() (T const& ) const
     {
@@ -223,7 +237,7 @@ class symbolizer_node
 {
 public:
     symbolizer_node(mapnik::symbolizer const & sym)
-    : sym_(sym) {}
+        : sym_(sym) {}
     ~symbolizer_node(){}
 
     QString name() const

include/mapnik/cairo_context.hpp

@@ -0,0 +1,425 @@
+/*****************************************************************************
+ *
+ * This file is part of Mapnik (c++ mapping toolkit)
+ *
+ * Copyright (C) 2013 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_CAIRO_CONTEXT_HPP
+#define MAPNIK_CAIRO_CONTEXT_HPP
+
+// mapnik
+#include <mapnik/box2d.hpp>
+#include <mapnik/color.hpp>
+#include <mapnik/stroke.hpp>
+#include <mapnik/image_data.hpp>
+#include <mapnik/image_compositing.hpp>
+#include <mapnik/font_engine_freetype.hpp>
+#include <mapnik/font_set.hpp>
+#include <mapnik/text_path.hpp>
+#include <mapnik/text_properties.hpp>
+#include <mapnik/gradient.hpp>
+// boost
+#include <boost/utility.hpp>
+#include <boost/shared_ptr.hpp>
+// cairo
+#include <cairo.h>
+#include <cairo-ft.h>
+// stl
+#include <valarray>
+// agg
+#include "agg_basics.h"
+
+namespace mapnik {
+
+typedef cairo_status_t ErrorStatus;
+
+/// Throws the appropriate exception, if exceptions are enabled.
+inline void throw_exception(ErrorStatus status)
+{
+    throw std::runtime_error("cairo: fixme");
+}
+
+//We inline this because it is called so often.
+inline void check_status_and_throw_exception(ErrorStatus status)
+{
+    if(status != CAIRO_STATUS_SUCCESS)
+        throw_exception(status);
+}
+
+template<class T>
+void check_object_status_and_throw_exception(const T& object)
+{
+    check_status_and_throw_exception(object.get_status());
+}
+
+class cairo_face : private mapnik::noncopyable
+{
+public:
+    cairo_face(boost::shared_ptr<freetype_engine> const& engine, face_ptr const& face)
+        : face_(face)
+    {
+        static cairo_user_data_key_t key;
+        c_face_ = cairo_ft_font_face_create_for_ft_face(face->get_face(), FT_LOAD_NO_HINTING);
+        cairo_font_face_set_user_data(c_face_, &key, new handle(engine, face), destroy);
+    }
+    ~cairo_face()
+    {
+        if (c_face_) cairo_font_face_destroy(c_face_);
+    }
+
+    cairo_font_face_t * face() const
+    {
+        return c_face_;
+    }
+
+private:
+    class handle
+    {
+    public:
+        handle(boost::shared_ptr<freetype_engine> const& engine, face_ptr const& face)
+            : engine_(engine), face_(face) {}
+
+    private:
+        boost::shared_ptr<freetype_engine> engine_;
+        face_ptr face_;
+    };
+
+    static void destroy(void *data)
+    {
+        handle *h = static_cast<handle *>(data);
+        delete h;
+    }
+
+private:
+    face_ptr face_;
+    cairo_font_face_t *c_face_;
+};
+
+typedef boost::shared_ptr<cairo_face> cairo_face_ptr;
+
+class cairo_face_manager : private mapnik::noncopyable
+{
+public:
+    cairo_face_manager(boost::shared_ptr<freetype_engine> engine);
+    cairo_face_ptr get_face(face_ptr face);
+
+private:
+    typedef std::map<face_ptr,cairo_face_ptr> cairo_face_cache;
+    boost::shared_ptr<freetype_engine> font_engine_;
+    cairo_face_cache cache_;
+};
+
+class cairo_pattern : private mapnik::noncopyable
+{
+public:
+    cairo_pattern(image_data_32 const& data)
+    {
+        int pixels = data.width() * data.height();
+        const unsigned int *in_ptr = data.getData();
+        const unsigned int *in_end = in_ptr + pixels;
+        unsigned int *out_ptr;
+
+        surface_ = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, data.width(), data.height());
+
+        out_ptr = reinterpret_cast<unsigned int *>(cairo_image_surface_get_data(surface_));
+
+        while (in_ptr < in_end)
+        {
+            unsigned int in = *in_ptr++;
+            unsigned int r = (in >> 0) & 0xff;
+            unsigned int g = (in >> 8) & 0xff;
+            unsigned int b = (in >> 16) & 0xff;
+            unsigned int a = (in >> 24) & 0xff;
+
+            //r = r * a / 255;
+            //g = g * a / 255;
+            //b = b * a / 255;
+
+            *out_ptr++ = (a << 24) | (r << 16) | (g << 8) | b;
+        }
+        // mark the surface as dirty as we've modified it behind cairo's back
+        cairo_surface_mark_dirty(surface_);
+        pattern_ = cairo_pattern_create_for_surface(surface_);
+    }
+
+    ~cairo_pattern()
+    {
+        if (surface_) cairo_surface_destroy(surface_);
+        if (pattern_) cairo_pattern_destroy(pattern_);
+    }
+
+    void set_matrix(cairo_matrix_t const& matrix)
+    {
+        cairo_pattern_set_matrix(pattern_, &matrix);
+    }
+
+    void set_origin(double x, double y)
+    {
+        cairo_matrix_t matrix;
+        cairo_pattern_get_matrix(pattern_,&matrix);
+        matrix.x0 = -x;
+        matrix.y0 = -y;
+        cairo_pattern_set_matrix(pattern_,&matrix);
+    }
+
+    void set_extend(cairo_extend_t extend)
+    {
+        cairo_pattern_set_extend(pattern_, extend);
+    }
+
+    void set_filter(cairo_filter_t filter)
+    {
+        cairo_pattern_set_filter(pattern_, filter);
+    }
+
+    cairo_pattern_t * pattern() const
+    {
+        return pattern_;
+    }
+
+private:
+    cairo_surface_t * surface_;
+    cairo_pattern_t *  pattern_;
+};
+
+
+class cairo_gradient : private mapnik::noncopyable
+{
+public:
+    cairo_gradient(const mapnik::gradient &grad, double opacity=1.0)
+    {
+        double x1,x2,y1,y2,rad;
+        grad.get_control_points(x1,y1,x2,y2,rad);
+        if (grad.get_gradient_type() == LINEAR)
+        {
+            pattern_ = cairo_pattern_create_linear(x1, y1, x2, y2);
+        }
+        else if (grad.get_gradient_type() == RADIAL)
+        {
+            pattern_ = cairo_pattern_create_radial(x1, y1, 0,  x2, y2, rad);
+        }
+
+        units_ = grad.get_units();
+
+        BOOST_FOREACH ( mapnik::stop_pair const& st, grad.get_stop_array() )
+        {
+            mapnik::color const& stop_color = st.second;
+            double r= static_cast<double> (stop_color.red())/255.0;
+            double g= static_cast<double> (stop_color.green())/255.0;
+            double b= static_cast<double> (stop_color.blue())/255.0;
+            double a= static_cast<double> (stop_color.alpha())/255.0;
+            cairo_pattern_add_color_stop_rgba(pattern_,st.first, r, g, b, a*opacity);
+        }
+
+        double m[6];
+        agg::trans_affine tr = grad.get_transform();
+        tr.invert();
+        tr.store_to(m);
+        cairo_matrix_t matrix;
+        cairo_matrix_init(&matrix,m[0],m[1],m[2],m[3],m[4],m[5]);
+        cairo_pattern_set_matrix(pattern_, &matrix);
+    }
+
+    ~cairo_gradient()
+    {
+        if (pattern_)
+            cairo_pattern_destroy(pattern_);
+    }
+
+
+    cairo_pattern_t * gradient() const
+    {
+        return pattern_;
+    }
+
+    gradient_unit_e units() const
+    {
+        return units_;
+    }
+
+private:
+    cairo_pattern_t * pattern_;
+    gradient_unit_e units_;
+
+};
+
+struct cairo_closer
+{
+    void operator() (cairo_t * obj)
+    {
+        if (obj) cairo_destroy(obj);
+    }
+};
+
+struct cairo_surface_closer
+{
+    void operator() (cairo_surface_t * surface)
+    {
+        if (surface) cairo_surface_destroy(surface);
+    }
+};
+
+typedef boost::shared_ptr<cairo_t> cairo_ptr;
+typedef boost::shared_ptr<cairo_surface_t> cairo_surface_ptr;
+
+inline cairo_ptr create_context(cairo_surface_ptr const& surface)
+{
+    return cairo_ptr(cairo_create(&*surface),cairo_closer());
+}
+
+class cairo_context : private mapnik::noncopyable
+{
+public:
+
+    cairo_context(cairo_ptr const& cairo);
+
+    inline ErrorStatus get_status() const
+    {
+        return cairo_status(cairo_.get());
+    }
+
+    void clip();
+    void show_page();
+    void set_color(color const &color, double opacity = 1.0);
+    void set_color(double r, double g, double b, double opacity = 1.0);
+    void set_operator(composite_mode_e comp_op);
+    void set_line_join(line_join_e join);
+    void set_line_cap(line_cap_e cap);
+    void set_miter_limit(double limit);
+    void set_line_width(double width);
+    void set_dash(dash_array const &dashes, double scale_factor);
+    void set_fill_rule(cairo_fill_rule_t fill_rule);
+    void move_to(double x, double y);
+    void curve_to(double ct1_x, double ct1_y, double ct2_x, double ct2_y, double end_x, double end_y);
+    void close_path();
+    void line_to(double x, double y);
+    void rectangle(double x, double y, double w, double h);
+    void stroke();
+    void fill();
+    void paint();
+    void set_pattern(cairo_pattern const& pattern);
+    void set_gradient(cairo_gradient const& pattern, const box2d<double> &bbox);
+    void add_image(double x, double y, image_data_32 & data, double opacity = 1.0);
+    void add_image(agg::trans_affine const& tr, image_data_32 & data, double opacity = 1.0);
+    void set_font_face(cairo_face_manager & manager, face_ptr face);
+    void set_font_matrix(cairo_matrix_t const& matrix);
+    void set_matrix(cairo_matrix_t const& matrix);
+    void transform(cairo_matrix_t const& matrix);
+    void translate(double x, double y);
+    void save();
+    void restore();
+    void show_glyph(unsigned long index, double x, double y);
+    void glyph_path(unsigned long index, double x, double y);
+    void add_text(text_path const& path,
+                  cairo_face_manager & manager,
+                  face_manager<freetype_engine> & font_manager,
+                  double scale_factor = 1.0);
+
+    template <typename T>
+    void add_path(T& path, unsigned start_index = 0)
+    {
+        double x, y;
+        path.rewind(start_index);
+        for (unsigned cm = path.vertex(&x, &y); cm != SEG_END; cm = path.vertex(&x, &y))
+        {
+            if (cm == SEG_MOVETO)
+            {
+                move_to(x, y);
+            }
+            else if (cm == SEG_LINETO)
+            {
+                line_to(x, y);
+            }
+            else if (cm == SEG_CLOSE)
+            {
+                close_path();
+            }
+        }
+    }
+
+    template <typename T>
+    void add_agg_path(T& path, unsigned start_index = 0)
+    {
+        double x=0;
+        double y=0;
+
+        path.rewind(start_index);
+
+        for (unsigned cm = path.vertex(&x, &y); !agg::is_stop(cm); cm = path.vertex(&x, &y))
+        {
+            if (agg::is_move_to(cm))
+            {
+                move_to(x, y);
+            }
+            else if (agg::is_drawing(cm))
+            {
+                if (agg::is_curve3(cm))
+                {
+                    double end_x=0;
+                    double end_y=0;
+
+                    MAPNIK_LOG_WARN(cairo_renderer) << "Curve 3 not implemented";
+
+                    path.vertex(&end_x, &end_y);
+
+                    curve_to(x,y,x,y,end_x,end_y);
+                }
+                else if (agg::is_curve4(cm))
+                {
+                    double ct2_x=0;
+                    double ct2_y=0;
+                    double end_x=0;
+                    double end_y=0;
+
+                    path.vertex(&ct2_x, &ct2_y);
+                    path.vertex(&end_x, &end_y);
+
+                    curve_to(x,y,ct2_x,ct2_y,end_x,end_y);
+                }
+                else if (agg::is_line_to(cm))
+                {
+                    line_to(x, y);
+                }
+                else
+                {
+                    MAPNIK_LOG_WARN(cairo_renderer) << "Unimplemented drawing command: " << cm;
+                    move_to(x, y);
+                }
+            }
+            else if (agg::is_close(cm))
+            {
+                close_path();
+            }
+            else
+            {
+                MAPNIK_LOG_WARN(cairo_renderer) << "Unimplemented path command: " << cm;
+            }
+        }
+    }
+
+private:
+    cairo_ptr cairo_;
+};
+
+
+}
+
+
+#endif // MAPNIK_CAIRO_CONTEXT_HPP

include/mapnik/cairo_renderer.hpp

@@ -33,10 +33,10 @@
 #include <mapnik/map.hpp>
 #include <mapnik/rule.hpp> // for all symbolizers
 #include <mapnik/noncopyable.hpp>
+#include <mapnik/cairo_context.hpp>
 
 // cairo
-#include <cairomm/context.h>
+#include <cairo.h>
-#include <cairomm/surface.h>
 
 // boost
 #include <boost/scoped_ptr.hpp>
@@ -53,27 +53,11 @@ namespace mapnik {
 
 class marker;
 
-class cairo_face;
-
-typedef boost::shared_ptr<cairo_face> cairo_face_ptr;
-
-class cairo_face_manager : private mapnik::noncopyable
-{
-public:
-    cairo_face_manager(boost::shared_ptr<freetype_engine> engine);
-    cairo_face_ptr get_face(face_ptr face);
-
-private:
-    typedef std::map<face_ptr,cairo_face_ptr> cairo_face_cache;
-    boost::shared_ptr<freetype_engine> font_engine_;
-    cairo_face_cache cache_;
-};
-
 class MAPNIK_DECL cairo_renderer_base : private mapnik::noncopyable
 {
 protected:
-    cairo_renderer_base(Map const& m, Cairo::RefPtr<Cairo::Context> const& context, double scale_factor=1.0, unsigned offset_x=0, unsigned offset_y=0);
+    cairo_renderer_base(Map const& m, cairo_ptr const& cairo, double scale_factor=1.0, unsigned offset_x=0, unsigned offset_y=0);
-    cairo_renderer_base(Map const& m, Cairo::RefPtr<Cairo::Context> const& context, boost::shared_ptr<label_collision_detector4> detector, double scale_factor=1.0, unsigned offset_x=0, unsigned offset_y=0);
+    cairo_renderer_base(Map const& m, cairo_ptr const& cairo, boost::shared_ptr<label_collision_detector4> detector, double scale_factor=1.0, unsigned offset_x=0, unsigned offset_y=0);
 public:
     ~cairo_renderer_base();
     void start_map_processing(Map const& map);
@@ -132,9 +116,9 @@ public:
     void render_box(box2d<double> const& b);
 protected:
 
-
     Map const& m_;
-    Cairo::RefPtr<Cairo::Context> context_;
+    //Cairo::RefPtr<Cairo::Context> context_;
+    cairo_context context_;
     unsigned width_;
     unsigned height_;
     double scale_factor_;
@@ -152,8 +136,8 @@ class MAPNIK_DECL cairo_renderer : public feature_style_processor<cairo_renderer
 {
 public:
     typedef cairo_renderer_base processor_impl_type;
-    cairo_renderer(Map const& m, Cairo::RefPtr<T> const& surface, double scale_factor=1.0, unsigned offset_x=0, unsigned offset_y=0);
+    cairo_renderer(Map const& m, T const& obj, double scale_factor=1.0, unsigned offset_x=0, unsigned offset_y=0);
-    cairo_renderer(Map const& m, Cairo::RefPtr<T> const& surface, boost::shared_ptr<label_collision_detector4> detector, double scale_factor=1.0, unsigned offset_x=0, unsigned offset_y=0);
+    cairo_renderer(Map const& m, T const& obj, boost::shared_ptr<label_collision_detector4> detector, double scale_factor=1.0, unsigned offset_x=0, unsigned offset_y=0);
     void end_map_processing(Map const& map);
 };
 }

include/mapnik/expression.hpp

@@ -45,7 +45,6 @@ typedef std::set<expression_ptr> expression_set;
 
 MAPNIK_DECL expression_ptr parse_expression (std::string const& wkt, std::string const& encoding = "UTF8");
 MAPNIK_DECL expression_ptr parse_expression (std::string const& wkt, mapnik::expression_grammar<std::string::const_iterator> const& g);
-
 }
 
 #endif // MAPNIK_EXPRESSION_HPP

include/mapnik/graphics.hpp

@@ -37,7 +37,7 @@
 
 // cairo
 #ifdef HAVE_CAIRO
-#include <cairomm/surface.h>
+#include <mapnik/cairo_context.hpp>
 #endif
 
 // boost
@@ -58,7 +58,7 @@ public:
     image_32(int width,int height);
     image_32(image_32 const& rhs);
 #ifdef HAVE_CAIRO
-    image_32(Cairo::RefPtr<Cairo::ImageSurface> rhs);
+    explicit image_32(cairo_surface_ptr const& surface);
 #endif
     ~image_32();
 

include/mapnik/params.hpp

@@ -26,7 +26,7 @@
 // boost
 #include <boost/variant/variant.hpp>
 #include <boost/optional.hpp>
-
+#include <boost/lexical_cast.hpp>
 // mapnik
 #include <mapnik/value_types.hpp>
 
@@ -40,6 +40,31 @@ typedef boost::variant<value_null,value_integer,value_double,std::string> value_
 typedef std::pair<std::string, value_holder> parameter;
 typedef std::map<std::string, value_holder> param_map;
 
+// TODO - rewrite to avoid usage of lexical_cast
+template <typename T>
+struct value_extractor_visitor : public boost::static_visitor<>
+{
+    value_extractor_visitor(boost::optional<T> & var)
+        :var_(var) {}
+
+    void operator () (T val) const
+    {
+        var_ = val;
+    }
+
+    template <typename T1>
+    void operator () (T1 val) const
+    {
+        try
+        {
+            var_ = boost::lexical_cast<T>(val);
+        }
+        catch (boost::bad_lexical_cast & ) {}
+    }
+
+    boost::optional<T> & var_;
+};
+
 class parameters : public param_map
 {
 public:

src/build.py

@@ -204,6 +204,7 @@ if env['HAS_CAIRO']:
     libmapnik_cxxflags.append('-DHAVE_CAIRO')
     lib_env.PrependUnique(CPPPATH=copy(env['CAIROMM_CPPPATHS']))
     source.insert(0,'cairo_renderer.cpp')
+    source.insert(0,'cairo_context.cpp')
 
 if env['JPEG']:
     source += Split(

src/cairo_context.cpp

@@ -0,0 +1,451 @@
+/*****************************************************************************
+ *
+ * This file is part of Mapnik (c++ mapping toolkit)
+ *
+ * Copyright (C) 2013 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
+ *
+ *****************************************************************************/
+
+#include <mapnik/cairo_context.hpp>
+
+namespace mapnik {
+
+cairo_context::cairo_context(cairo_ptr const& cairo)
+    : cairo_(cairo)
+{}
+
+void cairo_context::clip()
+{
+    cairo_clip(cairo_.get());
+    check_object_status_and_throw_exception(*this);
+}
+
+void cairo_context::show_page()
+{
+    cairo_show_page(cairo_.get());
+    check_object_status_and_throw_exception(*this);
+}
+
+void cairo_context::set_color(color const &color, double opacity)
+{
+    set_color(color.red()/255.0, color.green()/255.0, color.blue()/255.0, color.alpha() * opacity / 255.0);
+}
+
+void cairo_context::set_color(double r, double g, double b, double opacity)
+{
+    cairo_set_source_rgb(cairo_.get(), r, g, b);
+    check_object_status_and_throw_exception(*this);
+}
+
+void cairo_context::set_operator(composite_mode_e comp_op)
+{
+    switch (comp_op)
+    {
+    case clear:
+        cairo_set_operator(cairo_.get(),CAIRO_OPERATOR_CLEAR);
+        break;
+    case src:
+        cairo_set_operator(cairo_.get(),CAIRO_OPERATOR_SOURCE);
+        break;
+    case dst:
+        cairo_set_operator(cairo_.get(),CAIRO_OPERATOR_DEST);
+        break;
+    case src_over:
+        cairo_set_operator(cairo_.get(),CAIRO_OPERATOR_OVER);
+        break;
+    case dst_over:
+        cairo_set_operator(cairo_.get(),CAIRO_OPERATOR_DEST_OVER);
+        break;
+    case src_in:
+        cairo_set_operator(cairo_.get(),CAIRO_OPERATOR_IN);
+        break;
+    case dst_in:
+        cairo_set_operator(cairo_.get(),CAIRO_OPERATOR_DEST_IN);
+        break;
+    case src_out:
+        cairo_set_operator(cairo_.get(),CAIRO_OPERATOR_OUT);
+        break;
+    case dst_out:
+        cairo_set_operator(cairo_.get(),CAIRO_OPERATOR_DEST_OUT);
+        break;
+    case src_atop:
+        cairo_set_operator(cairo_.get(),CAIRO_OPERATOR_ATOP);
+        break;
+    case dst_atop:
+        cairo_set_operator(cairo_.get(),CAIRO_OPERATOR_DEST_ATOP);
+        break;
+    case _xor:
+        cairo_set_operator(cairo_.get(),CAIRO_OPERATOR_XOR);
+        break;
+    case plus:
+        cairo_set_operator(cairo_.get(),CAIRO_OPERATOR_ADD);
+        break;
+#if CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 10, 0)
+    case multiply:
+        cairo_set_operator(cairo_.get(), CAIRO_OPERATOR_MULTIPLY);
+        break;
+    case screen:
+        cairo_set_operator(cairo_.get(),CAIRO_OPERATOR_SCREEN);
+        break;
+    case overlay:
+        cairo_set_operator(cairo_.get(),CAIRO_OPERATOR_OVERLAY);
+        break;
+    case darken:
+        cairo_set_operator(cairo_.get(),CAIRO_OPERATOR_DARKEN);
+        break;
+    case lighten:
+        cairo_set_operator(cairo_.get(),CAIRO_OPERATOR_LIGHTEN);
+        break;
+    case color_dodge:
+        cairo_set_operator(cairo_.get(),CAIRO_OPERATOR_COLOR_DODGE);
+        break;
+    case color_burn:
+        cairo_set_operator(cairo_.get(),CAIRO_OPERATOR_COLOR_BURN);
+        break;
+    case hard_light:
+        cairo_set_operator(cairo_.get(),CAIRO_OPERATOR_HARD_LIGHT);
+        break;
+    case soft_light:
+        cairo_set_operator(cairo_.get(),CAIRO_OPERATOR_SOFT_LIGHT);
+        break;
+    case difference:
+        cairo_set_operator(cairo_.get(),CAIRO_OPERATOR_DIFFERENCE);
+        break;
+    case exclusion:
+        cairo_set_operator(cairo_.get(), CAIRO_OPERATOR_EXCLUSION);
+        break;
+#else
+#warning building against cairo older that 1.10.0, some compositing options are disabled
+    case multiply:
+    case screen:
+    case overlay:
+    case darken:
+    case lighten:
+    case color_dodge:
+    case color_burn:
+    case hard_light:
+    case soft_light:
+    case difference:
+    case exclusion:
+        break;
+#endif
+    case contrast:
+    case minus:
+    case invert:
+    case invert_rgb:
+    case grain_merge:
+    case grain_extract:
+    case hue:
+    case saturation:
+    case _color:
+    case _value:
+        //case colorize_alpha:
+        break;
+    }
+    //
+    check_object_status_and_throw_exception(*this);
+}
+
+void cairo_context::set_line_join(line_join_e join)
+{
+    if (join == MITER_JOIN)
+        cairo_set_line_join(cairo_.get(), CAIRO_LINE_JOIN_MITER);
+    else if (join == MITER_REVERT_JOIN)
+        cairo_set_line_join(cairo_.get(), CAIRO_LINE_JOIN_MITER);
+    else if (join == ROUND_JOIN)
+        cairo_set_line_join(cairo_.get(), CAIRO_LINE_JOIN_ROUND);
+    else
+        cairo_set_line_join(cairo_.get(), CAIRO_LINE_JOIN_BEVEL);
+    check_object_status_and_throw_exception(*this);
+}
+
+void cairo_context::set_line_cap(line_cap_e cap)
+{
+    if (cap == BUTT_CAP)
+        cairo_set_line_cap(cairo_.get(), CAIRO_LINE_CAP_BUTT);
+    else if (cap == SQUARE_CAP)
+        cairo_set_line_cap(cairo_.get(), CAIRO_LINE_CAP_SQUARE);
+    else
+        cairo_set_line_cap(cairo_.get(), CAIRO_LINE_CAP_ROUND);
+    check_object_status_and_throw_exception(*this);
+}
+
+void cairo_context::set_miter_limit(double limit)
+{
+    cairo_set_miter_limit(cairo_.get(), limit);
+    check_object_status_and_throw_exception(*this);
+}
+
+void cairo_context::set_line_width(double width)
+{
+    cairo_set_line_width(cairo_.get(), width);
+    check_object_status_and_throw_exception(*this);
+}
+
+void cairo_context::set_dash(dash_array const &dashes, double scale_factor)
+{
+    std::valarray<double> d(dashes.size() * 2);
+    dash_array::const_iterator itr = dashes.begin();
+    dash_array::const_iterator end = dashes.end();
+    int index = 0;
+
+    for (; itr != end; ++itr)
+    {
+        d[index++] = itr->first * scale_factor;
+        d[index++] = itr->second * scale_factor;
+    }
+
+    cairo_set_dash(cairo_.get() , &d[0], dashes.size(), 0/*offset*/);
+    check_object_status_and_throw_exception(*this);
+}
+
+void cairo_context::set_fill_rule(cairo_fill_rule_t fill_rule)
+{
+    cairo_set_fill_rule(cairo_.get(),fill_rule);
+    check_object_status_and_throw_exception(*this);
+}
+
+void cairo_context::move_to(double x, double y)
+{
+#if CAIRO_VERSION < CAIRO_VERSION_ENCODE(1, 6, 0)
+    if (x < -32767.0) x = -32767.0;
+    else if (x > 32767.0) x = 32767.0;
+    if (y < -32767.0) y = -32767.0;
+    else if (y > 32767.0) y = 32767.0;
+#endif
+    cairo_move_to(cairo_.get(), x, y);
+    check_object_status_and_throw_exception(*this);
+}
+
+void cairo_context::curve_to(double ct1_x, double ct1_y, double ct2_x, double ct2_y, double end_x, double end_y)
+{
+    cairo_curve_to(cairo_.get(), ct1_x,ct1_y,ct2_x,ct2_y,end_x,end_y);
+    check_object_status_and_throw_exception(*this);
+}
+
+void cairo_context::close_path()
+{
+    cairo_close_path(cairo_.get());
+    check_object_status_and_throw_exception(*this);
+}
+
+void cairo_context::line_to(double x, double y)
+{
+#if CAIRO_VERSION < CAIRO_VERSION_ENCODE(1, 6, 0)
+    if (x < -32767.0) x = -32767.0;
+    else if (x > 32767.0) x = 32767.0;
+    if (y < -32767.0) y = -32767.0;
+    else if (y > 32767.0) y = 32767.0;
+#endif
+    cairo_line_to(cairo_.get(), x, y);
+    check_object_status_and_throw_exception(*this);
+}
+
+void cairo_context::rectangle(double x, double y, double w, double h)
+{
+    cairo_rectangle(cairo_.get(), x, y, w, h);
+    check_object_status_and_throw_exception(*this);
+}
+
+void cairo_context::stroke()
+{
+    cairo_stroke(cairo_.get());
+    check_object_status_and_throw_exception(*this);
+}
+
+void cairo_context::fill()
+{
+    cairo_fill(cairo_.get());
+    check_object_status_and_throw_exception(*this);
+}
+
+void cairo_context::paint()
+{
+    cairo_paint(cairo_.get());
+    check_object_status_and_throw_exception(*this);
+}
+
+void cairo_context::set_pattern(cairo_pattern const& pattern)
+{
+    cairo_set_source(cairo_.get(), pattern.pattern());
+    check_object_status_and_throw_exception(*this);
+}
+
+void cairo_context::set_gradient(cairo_gradient const& pattern, const box2d<double> &bbox)
+{
+    cairo_pattern_t * gradient = pattern.gradient();
+    double bx1=bbox.minx();
+    double by1=bbox.miny();
+    double bx2=bbox.maxx();
+    double by2=bbox.maxy();
+    if (pattern.units() != USER_SPACE_ON_USE)
+    {
+        if (pattern.units() == OBJECT_BOUNDING_BOX)
+        {
+            cairo_path_extents(cairo_.get(), &bx1, &by1, &bx2, &by2);
+        }
+        cairo_matrix_t cairo_matrix;
+        cairo_pattern_get_matrix(gradient, &cairo_matrix);
+        cairo_matrix_scale(&cairo_matrix,1.0/(bx2-bx1),1.0/(by2-by1));
+        cairo_matrix_translate(&cairo_matrix, -bx1,-by1);
+        cairo_pattern_set_matrix(gradient, &cairo_matrix);
+    }
+    cairo_set_source(cairo_.get(), const_cast<cairo_pattern_t*>(gradient));
+    check_object_status_and_throw_exception(*this);
+}
+
+void cairo_context::add_image(double x, double y, image_data_32 & data, double opacity)
+{
+    cairo_pattern pattern(data);
+    pattern.set_origin(x, y);
+    cairo_save(cairo_.get());
+    cairo_set_source(cairo_.get(), const_cast<cairo_pattern_t*>(pattern.pattern()));
+    cairo_paint_with_alpha(cairo_.get(), opacity);
+    cairo_restore(cairo_.get());
+    check_object_status_and_throw_exception(*this);
+}
+
+void cairo_context::add_image(agg::trans_affine const& tr, image_data_32 & data, double opacity)
+{
+    cairo_pattern pattern(data);
+    if (!tr.is_identity())
+    {
+        double m[6];
+        tr.store_to(m);
+        cairo_matrix_t cairo_matrix;
+        cairo_matrix_init(&cairo_matrix,m[0],m[1],m[2],m[3],m[4],m[5]);
+        cairo_matrix_invert(&cairo_matrix);
+        pattern.set_matrix(cairo_matrix);
+    }
+    cairo_save(cairo_.get());
+    cairo_set_source(cairo_.get(), const_cast<cairo_pattern_t*>(pattern.pattern()));
+    cairo_paint_with_alpha(cairo_.get(), opacity);
+    cairo_restore(cairo_.get());
+    check_object_status_and_throw_exception(*this);
+}
+
+void cairo_context::set_font_face(cairo_face_manager & manager, face_ptr face)
+{
+    cairo_set_font_face(cairo_.get(), manager.get_face(face)->face());
+}
+
+void cairo_context::set_font_matrix(cairo_matrix_t const& matrix)
+{
+    cairo_set_font_matrix(cairo_.get(), &matrix);
+    check_object_status_and_throw_exception(*this);
+}
+
+void cairo_context::set_matrix(cairo_matrix_t const& matrix)
+{
+    cairo_set_matrix(cairo_.get(), &matrix);
+    check_object_status_and_throw_exception(*this);
+}
+
+void cairo_context::transform(cairo_matrix_t const& matrix)
+{
+    cairo_transform(cairo_.get(), &matrix);
+    check_object_status_and_throw_exception(*this);
+}
+
+void cairo_context::translate(double x, double y)
+{
+    cairo_translate(cairo_.get(), x, y);
+    check_object_status_and_throw_exception(*this);
+}
+
+void cairo_context::save()
+{
+    cairo_save(cairo_.get());
+    check_object_status_and_throw_exception(*this);
+}
+
+void cairo_context::restore()
+{
+    cairo_restore(cairo_.get());
+    check_object_status_and_throw_exception(*this);
+}
+
+void cairo_context::show_glyph(unsigned long index, double x, double y)
+{
+    cairo_glyph_t glyph;
+    glyph.index = index;
+    glyph.x = x;
+    glyph.y = y;
+
+    cairo_show_glyphs(cairo_.get(), &glyph, 1);
+    check_object_status_and_throw_exception(*this);
+}
+
+void cairo_context::glyph_path(unsigned long index, double x, double y)
+{
+    cairo_glyph_t glyph;
+    glyph.index = index;
+    glyph.x = x;
+    glyph.y = y;
+
+    cairo_glyph_path(cairo_.get(), &glyph, 1);
+    check_object_status_and_throw_exception(*this);
+}
+
+void cairo_context::add_text(text_path const& path,
+                             cairo_face_manager & manager,
+                             face_manager<freetype_engine> & font_manager,
+                             double scale_factor)
+{
+    double sx = path.center.x;
+    double sy = path.center.y;
+
+    path.rewind();
+
+    for (int iii = 0; iii < path.num_nodes(); iii++)
+    {
+        char_info_ptr c;
+        double x, y, angle;
+
+        path.vertex(&c, &x, &y, &angle);
+
+        face_set_ptr faces = font_manager.get_face_set(c->format->face_name, c->format->fontset);
+        double text_size = c->format->text_size * scale_factor;
+        faces->set_character_sizes(text_size);
+
+        glyph_ptr glyph = faces->get_glyph(c->c);
+
+        if (glyph)
+        {
+            cairo_matrix_t matrix;
+            matrix.xx = text_size * cos(angle);
+            matrix.xy = text_size * sin(angle);
+            matrix.yx = text_size * -sin(angle);
+            matrix.yy = text_size * cos(angle);
+            matrix.x0 = 0;
+            matrix.y0 = 0;
+
+            set_font_matrix(matrix);
+
+            set_font_face(manager, glyph->get_face());
+
+            glyph_path(glyph->get_index(), sx + x, sy - y);
+            set_line_width(2.0 * c->format->halo_radius * scale_factor);
+            set_line_join(ROUND_JOIN);
+            set_color(c->format->halo_fill);
+            stroke();
+            set_color(c->format->fill);
+            show_glyph(glyph->get_index(), sx + x, sy - y);
+        }
+    }
+}
+}

src/feature_style_processor.cpp

@@ -28,8 +28,7 @@
 #include <mapnik/grid/grid.hpp>
 
 #if defined(HAVE_CAIRO)
-#include <cairomm/context.h>
+#include <cairo.h>
-#include <cairomm/surface.h>
 #include <mapnik/cairo_renderer.hpp>
 #endif
 
@@ -41,8 +40,8 @@ namespace mapnik
 {
 
 #if defined(HAVE_CAIRO)
-template class feature_style_processor<cairo_renderer<Cairo::Context> >;
+template class feature_style_processor<cairo_renderer<cairo_ptr> >;
-template class feature_style_processor<cairo_renderer<Cairo::Surface> >;
+template class feature_style_processor<cairo_renderer<cairo_surface_ptr> >;
 #endif
 
 #if defined(SVG_RENDERER)

src/graphics.cpp

@@ -31,14 +31,14 @@
 #include "agg_rendering_buffer.h"
 #include "agg_pixfmt_rgba.h"
 
-// cairo
-#ifdef HAVE_CAIRO
-#include <cairomm/surface.h>
-#endif
-
 // boost
 #include <boost/scoped_array.hpp>
 
+// cairo
+#ifdef HAVE_CAIRO
+#include <mapnik/cairo_context.hpp>
+#endif
+
 namespace mapnik
 {
 image_32::image_32(int width,int height)
@@ -54,22 +54,22 @@ image_32::image_32(const image_32& rhs)
      painted_(rhs.painted_)  {}
 
 #ifdef HAVE_CAIRO
-image_32::image_32(Cairo::RefPtr<Cairo::ImageSurface> rhs)
+image_32::image_32(cairo_surface_ptr const& surface)
-    :width_(rhs->get_width()),
+    :width_(cairo_image_surface_get_width(&*surface)),
-     height_(rhs->get_height()),
+     height_(cairo_image_surface_get_height(&*surface)),
-     data_(rhs->get_width(),rhs->get_height())
+     data_(width_, height_)
 {
     painted_ = true;
-    if (rhs->get_format() != Cairo::FORMAT_ARGB32)
+    if ( cairo_image_surface_get_format(&*surface) != CAIRO_FORMAT_ARGB32)
     {
         MAPNIK_LOG_WARN(graphics) << "Unable to convert this Cairo format";
-        return; // throw exception ??
+        throw;
     }
 
-    int stride = rhs->get_stride() / 4;
+    int stride = cairo_image_surface_get_stride(&*surface) / 4;
 
     boost::scoped_array<unsigned int> out_row(new unsigned int[width_]);
-    const unsigned int *in_row = (const unsigned int *)rhs->get_data();
+    const unsigned int *in_row = (const unsigned int *)cairo_image_surface_get_data(&*surface);
 
     for (unsigned int row = 0; row < height_; row++, in_row += stride)
     {
@@ -142,42 +142,39 @@ void image_32::set_color_to_alpha(const color& c)
 
 void image_32::set_alpha(float opacity)
 {
+    for (unsigned int y = 0; y < height_; ++y)
     {
-        for (unsigned int y = 0; y < height_; ++y)
+        unsigned int* row_to =  data_.getRow(y);
+        for (unsigned int x = 0; x < width_; ++x)
         {
-            unsigned int* row_to =  data_.getRow(y);
+            unsigned rgba = row_to[x];
-            for (unsigned int x = 0; x < width_; ++x)
-            {
-                unsigned rgba = row_to[x];
 
 #ifdef MAPNIK_BIG_ENDIAN
-                unsigned a0 = (rgba & 0xff);
+            unsigned a0 = (rgba & 0xff);
-                unsigned a1 = int( (rgba & 0xff) * opacity );
+            unsigned a1 = int( (rgba & 0xff) * opacity );
 
-                if (a0 == a1) continue;
+            if (a0 == a1) continue;
 
-                unsigned r = (rgba >> 24) & 0xff;
+            unsigned r = (rgba >> 24) & 0xff;
-                unsigned g = (rgba >> 16 ) & 0xff;
+            unsigned g = (rgba >> 16 ) & 0xff;
-                unsigned b = (rgba >> 8) & 0xff;
+            unsigned b = (rgba >> 8) & 0xff;
 
-                row_to[x] = (a1) | (b << 8) |  (g << 16) | (r << 24) ;
+            row_to[x] = (a1) | (b << 8) |  (g << 16) | (r << 24) ;
 
 #else
-                unsigned a0 = (rgba >> 24) & 0xff;
+            unsigned a0 = (rgba >> 24) & 0xff;
-                unsigned a1 = int( ((rgba >> 24) & 0xff) * opacity );
+            unsigned a1 = int( ((rgba >> 24) & 0xff) * opacity );
-                //unsigned a1 = opacity;
+            //unsigned a1 = opacity;
-                if (a0 == a1) continue;
+            if (a0 == a1) continue;
 
-                unsigned r = rgba & 0xff;
+            unsigned r = rgba & 0xff;
-                unsigned g = (rgba >> 8 ) & 0xff;
+            unsigned g = (rgba >> 8 ) & 0xff;
-                unsigned b = (rgba >> 16) & 0xff;
+            unsigned b = (rgba >> 16) & 0xff;
 
-                row_to[x] = (a1 << 24)| (b << 16) |  (g << 8) | (r) ;
+            row_to[x] = (a1 << 24)| (b << 16) |  (g << 8) | (r) ;
 #endif
-            }
         }
     }
-
 }
 
 void image_32::set_background(const color& c)

src/image_util.cpp

@@ -43,7 +43,17 @@ extern "C"
 
 #ifdef HAVE_CAIRO
 #include <mapnik/cairo_renderer.hpp>
-#include <cairo-features.h>
+#include <cairo.h>
+#ifdef CAIRO_HAS_PDF_SURFACE
+#include <cairo-pdf.h>
+#endif // CAIRO_HAS_PDF_SURFACE
+#ifdef CAIRO_HAS_PS_SURFACE
+#include <cairo-ps.h>
+#endif // CAIRO_HAS_PS_SURFACE
+#ifdef CAIRO_HAS_SVG_SURFACE
+#include <cairo-svg.h>
+#endif // CAIRO_HAS_SVG_SURFACE
+
 #endif
 
 // boost
@@ -384,37 +394,37 @@ void save_to_cairo_file(mapnik::Map const& map,
     std::ofstream file (filename.c_str(), std::ios::out|std::ios::trunc|std::ios::binary);
     if (file)
     {
-        Cairo::RefPtr<Cairo::Surface> surface;
+        cairo_surface_ptr surface;
         unsigned width = map.width();
         unsigned height = map.height();
         if (type == "pdf")
         {
-#if defined(CAIRO_HAS_PDF_SURFACE)
+#ifdef CAIRO_HAS_PDF_SURFACE
-            surface = Cairo::PdfSurface::create(filename,width,height);
+            surface = cairo_surface_ptr(cairo_pdf_surface_create(filename.c_str(),width,height),cairo_surface_closer());
 #else
             throw ImageWriterException("PDFSurface not supported in the cairo backend");
 #endif
         }
-#if defined(CAIRO_HAS_SVG_SURFACE)
+#ifdef CAIRO_HAS_SVG_SURFACE
         else if (type == "svg")
         {
-            surface = Cairo::SvgSurface::create(filename,width,height);
+            surface = cairo_surface_ptr(cairo_svg_surface_create(filename.c_str(),width,height),cairo_surface_closer());
         }
 #endif
-#if defined(CAIRO_HAS_PS_SURFACE)
+#ifdef CAIRO_HAS_PS_SURFACE
         else if (type == "ps")
         {
-            surface = Cairo::PsSurface::create(filename,width,height);
+            surface = cairo_surface_ptr(cairo_ps_surface_create(filename.c_str(),width,height),cairo_surface_closer());
         }
 #endif
-#if defined(CAIRO_HAS_IMAGE_SURFACE)
+#ifdef CAIRO_HAS_IMAGE_SURFACE
         else if (type == "ARGB32")
         {
-            surface = Cairo::ImageSurface::create(Cairo::FORMAT_ARGB32,width,height);
+            surface = cairo_surface_ptr(cairo_image_surface_create(CAIRO_FORMAT_ARGB32,width,height),cairo_surface_closer());
         }
         else if (type == "RGB24")
         {
-            surface = Cairo::ImageSurface::create(Cairo::FORMAT_RGB24,width,height);
+            surface = cairo_surface_ptr(cairo_image_surface_create(CAIRO_FORMAT_RGB24,width,height),cairo_surface_closer());
         }
 #endif
         else
@@ -422,7 +432,7 @@ void save_to_cairo_file(mapnik::Map const& map,
             throw ImageWriterException("unknown file type: " + type);
         }
 
-        Cairo::RefPtr<Cairo::Context> context = Cairo::Context::create(surface);
+        //cairo_t * ctx = cairo_create(surface);
 
         // TODO - expose as user option
         /*
@@ -432,15 +442,14 @@ void save_to_cairo_file(mapnik::Map const& map,
           }
         */
 
-
+        mapnik::cairo_renderer<cairo_ptr> ren(map, create_context(surface), scale_factor);
-        mapnik::cairo_renderer<Cairo::Context> ren(map, context, scale_factor);
         ren.apply();
 
         if (type == "ARGB32" || type == "RGB24")
         {
-            surface->write_to_png(filename);
+            cairo_surface_write_to_png(&*surface, filename.c_str());
         }
-        surface->finish();
+        cairo_surface_finish(&*surface);
     }
 }
 

src/params.cpp

@@ -36,48 +36,23 @@ namespace mapnik {
 
 namespace params_detail {
 
-    // TODO - rewrite to avoid usage of lexical_cast
+template <typename T>
-    template <typename T>
+struct converter
-    struct value_extractor_visitor : public boost::static_visitor<>
+{
+    typedef boost::optional<T> return_type;
+    static return_type extract(parameters const& params,
+                               std::string const& name,
+                               boost::optional<T> const& default_opt_value)
     {
-        value_extractor_visitor(boost::optional<T> & var)
+        boost::optional<T> result(default_opt_value);
-            :var_(var) {}
+        parameters::const_iterator itr = params.find(name);
-    
+        if (itr != params.end())
-        void operator () (T val) const
         {
-            var_ = val;
+            boost::apply_visitor(value_extractor_visitor<T>(result),itr->second);
         }
-
+        return result;
-        template <typename T1>
+    }
-        void operator () (T1 val) const
+};
-        {
-            try
-            {
-                var_ = boost::lexical_cast<T>(val);
-            }
-            catch (boost::bad_lexical_cast & ) {}
-        }
-    
-        boost::optional<T> & var_;
-    };
-    
-    template <typename T>
-    struct converter
-    {
-        typedef boost::optional<T> return_type;
-        static return_type extract(parameters const& params,
-                                   std::string const& name,
-                                   boost::optional<T> const& default_opt_value)
-        {
-            boost::optional<T> result(default_opt_value);
-            parameters::const_iterator itr = params.find(name);
-            if (itr != params.end())
-            {
-                boost::apply_visitor(value_extractor_visitor<T>(result),itr->second);
-            }
-            return result;
-        }
-    };
 } // end namespace params_detail
 
 // parameters