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+ use BOOST_PYTHON_FUNCTION_OVERLOADS to reflect

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render(...) overloads
This commit is contained in:
Artem Pavlenko 2010-06-10 14:12:35 +00:00
parent d39ed1d364
commit e634c06c17
1 changed files with 21 additions and 45 deletions
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66
bindings/python/mapnik_python.cpp
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@ -80,28 +80,12 @@ void export_glyph_symbolizer();
static Pycairo_CAPI_t *Pycairo_CAPI; static Pycairo_CAPI_t *Pycairo_CAPI;
#endif #endif
void render(const mapnik::Map& map,mapnik::image_32& image, unsigned offset_x = 0, unsigned offset_y = 0) void render(const mapnik::Map& map,mapnik::image_32& image, double scale_factor = 1.0 , unsigned offset_x = 0u , unsigned offset_y = 0u)
{ {
Py_BEGIN_ALLOW_THREADS Py_BEGIN_ALLOW_THREADS
try try
{ {
mapnik::agg_renderer<mapnik::image_32> ren(map,image,offset_x, offset_y); mapnik::agg_renderer<mapnik::image_32> ren(map,image,scale_factor,offset_x, offset_y);
ren.apply();
}
catch (...)
{
Py_BLOCK_THREADS
throw;
}
Py_END_ALLOW_THREADS
}
void render2(const mapnik::Map& map,mapnik::image_32& image)
{
Py_BEGIN_ALLOW_THREADS
try
{
mapnik::agg_renderer<mapnik::image_32> ren(map,image);
ren.apply(); ren.apply();
} }
catch (...) catch (...)
@ -191,7 +175,7 @@ void render_tile_to_file(const mapnik::Map& map,
const std::string& format) const std::string& format)
{ {
mapnik::image_32 image(width,height); mapnik::image_32 image(width,height);
render(map,image,offset_x, offset_y); render(map,image,1.0,offset_x, offset_y);
mapnik::save_to_file(image.data(),file,format); mapnik::save_to_file(image.data(),file,format);
} }
@ -300,6 +284,7 @@ BOOST_PYTHON_FUNCTION_OVERLOADS(load_map_overloads, load_map, 2, 3);
BOOST_PYTHON_FUNCTION_OVERLOADS(load_map_string_overloads, load_map_string, 2, 4); BOOST_PYTHON_FUNCTION_OVERLOADS(load_map_string_overloads, load_map_string, 2, 4);
BOOST_PYTHON_FUNCTION_OVERLOADS(save_map_overloads, save_map, 2, 3); BOOST_PYTHON_FUNCTION_OVERLOADS(save_map_overloads, save_map, 2, 3);
BOOST_PYTHON_FUNCTION_OVERLOADS(save_map_to_string_overloads, save_map_to_string, 1, 2); BOOST_PYTHON_FUNCTION_OVERLOADS(save_map_to_string_overloads, save_map_to_string, 1, 2);
BOOST_PYTHON_FUNCTION_OVERLOADS(render_overloads, render, 2, 5);
BOOST_PYTHON_MODULE(_mapnik2) BOOST_PYTHON_MODULE(_mapnik2)
{ {
@ -385,32 +370,23 @@ BOOST_PYTHON_MODULE(_mapnik2)
); );
def("render",&render, def("render", &render, render_overloads(
"\n" "\n"
"Render Map to an AGG image_32 using offsets\n" "Render Map to an AGG image_32 using offsets\n"
"\n" "\n"
"Usage:\n" "Usage:\n"
">>> from mapnik import Map, Image, render, load_map\n" ">>> from mapnik import Map, Image, render, load_map\n"
">>> m = Map(256,256)\n" ">>> m = Map(256,256)\n"
">>> load_map(m,'mapfile.xml')\n" ">>> load_map(m,'mapfile.xml')\n"
">>> im = Image(m.width,m.height)\n" ">>> im = Image(m.width,m.height)\n"
">>> render(m,im,1,1)\n" ">>> scale_factor=2.0\n"
"\n" ">>> offset = [100,50]\n"
); ">>> render(m,im)\n"
">>> render(m,im,scale_factor)\n"
def("render",&render2, ">>> render(m,im,scale_factor,offset[0],offset[1])\n"
"\n" "\n"
"Render Map to an AGG image_32\n" ));
"\n"
"Usage:\n"
">>> from mapnik import Map, Image, render, load_map\n"
">>> m = Map(256,256)\n"
">>> load_map(m,'mapfile.xml')\n"
">>> im = Image(m.width,m.height)\n"
">>> render(m,im)\n"
"\n"
);
#if defined(HAVE_CAIRO) && defined(HAVE_PYCAIRO) #if defined(HAVE_CAIRO) && defined(HAVE_PYCAIRO)
def("render",&render3, def("render",&render3,
"\n" "\n"