move render_pattern into sepratre compilation module

include/mapnik/agg_renderer.hpp

@@ -38,6 +38,7 @@
 #include <mapnik/renderer_common.hpp>
 #include <mapnik/image_data.hpp>
 #include <mapnik/renderer_common/clipping_extent.hpp>
+#include <mapnik/renderer_common/render_pattern.hpp>
 // stl
 #include <memory>
 

include/mapnik/renderer_common/render_pattern.hpp

@@ -0,0 +1,45 @@
+/*****************************************************************************
+ *
+ * This file is part of Mapnik (c++ mapping toolkit)
+ *
+ * Copyright (C) 2014 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_RENDER_PATTERN_HPP
+#define MAPNIK_RENDER_PATTERN_HPP
+
+#include <mapnik/image_data.hpp>
+#include <memory>
+
+// fwd decl
+namespace agg {
+struct trans_affine;
+}
+
+namespace mapnik {
+
+// fwd decl
+struct rasterizer;
+class marker;
+
+std::shared_ptr<image_data_32> render_pattern(rasterizer & ras, marker const& marker, agg::trans_affine const& tr);
+
+} // namespace mapnik
+
+
+#endif // MAPNIK_RENDER_PATTERN_HPP

src/build.py

@@ -230,6 +230,7 @@ source = Split(
     config_error.cpp
     color_factory.cpp
     renderer_common.cpp
+    renderer_common/render_pattern.cpp
     renderer_common/process_group_symbolizer.cpp
     """
     )

src/cairo/cairo_renderer.cpp

@@ -59,7 +59,8 @@
 #include <mapnik/group/group_symbolizer_helper.hpp>
 #include <mapnik/attribute.hpp>
 #include <mapnik/agg_rasterizer.hpp>
-#include <mapnik/agg_renderer.hpp>
+#include <mapnik/renderer_common/clipping_extent.hpp>
+#include <mapnik/renderer_common/render_pattern.hpp>
 
 // mapnik symbolizer generics
 #include <mapnik/renderer_common/process_building_symbolizer.hpp>

src/renderer_common/render_pattern.cpp

@@ -0,0 +1,68 @@
+/*****************************************************************************
+ *
+ * This file is part of Mapnik (c++ mapping toolkit)
+ *
+ * Copyright (C) 2014 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/renderer_common/render_pattern.hpp>
+#include <mapnik/box2d.hpp>
+#include <mapnik/marker.hpp>
+#include <mapnik/svg/svg_converter.hpp>
+#include <mapnik/svg/svg_renderer_agg.hpp>
+#include <mapnik/svg/svg_path_adapter.hpp>
+#include <mapnik/agg_rasterizer.hpp>
+
+#include "agg_rendering_buffer.h"
+#include "agg_pixfmt_rgba.h"
+#include "agg_color_rgba.h"
+#include "agg_scanline_u.h"
+
+namespace mapnik {
+
+std::shared_ptr<image_data_32> render_pattern(rasterizer & ras, marker const& marker, agg::trans_affine const& tr)
+{
+    using pixfmt = agg::pixfmt_rgba32_pre;
+    using renderer_base = agg::renderer_base<pixfmt>;
+    using renderer_solid = agg::renderer_scanline_aa_solid<renderer_base>;
+    agg::scanline_u8 sl;
+
+    mapnik::box2d<double> const& bbox = (*marker.get_vector_data())->bounding_box() * tr;
+    mapnik::coord<double,2> c = bbox.center();
+    agg::trans_affine mtx = agg::trans_affine_translation(-c.x,-c.y);
+    mtx.translate(0.5 * bbox.width(), 0.5 * bbox.height());
+    mtx = tr * mtx;
+
+    std::shared_ptr<mapnik::image_data_32> image = std::make_shared<mapnik::image_data_32>(bbox.width(), bbox.height());
+    agg::rendering_buffer buf(image->getBytes(), image->width(), image->height(), image->width() * 4);
+    pixfmt pixf(buf);
+    renderer_base renb(pixf);
+
+    mapnik::svg::vertex_stl_adapter<mapnik::svg::svg_path_storage> stl_storage((*marker.get_vector_data())->source());
+    mapnik::svg::svg_path_adapter svg_path(stl_storage);
+    mapnik::svg::svg_renderer_agg<mapnik::svg::svg_path_adapter,
+                                  agg::pod_bvector<mapnik::svg::path_attributes>,
+                                  renderer_solid,
+                                  agg::pixfmt_rgba32_pre > svg_renderer(svg_path,
+                                                                        (*marker.get_vector_data())->attributes());
+
+    svg_renderer.render(ras, sl, renb, mtx, 1.0, bbox);
+    return image;
+}
+
+} // namespace mapnik