always pass image_data to save_to_string/file

benchmark/test_polygon_clipping.cpp

@@ -54,7 +54,7 @@ void render(mapnik::geometry_type & geom,
     ras.add_path(path);
     agg::scanline_u8 sl;
     agg::render_scanlines(ras, sl, ren);
-    mapnik::save_to_file(im,name);
+    mapnik::save_to_file(im.data(),name);
     geom.rewind(0);
 }
 

benchmark/test_polygon_clipping_rendering.cpp

@@ -25,7 +25,7 @@ public:
         mapnik::image_32 im(m.width(),m.height());
         mapnik::agg_renderer<mapnik::image_32> ren(m,im);
         ren.apply();
-        //mapnik::save_to_file(im,"test.png");
+        //mapnik::save_to_file(im.data(),"test.png");
         return true;
     }
     bool operator()() const

benchmark/test_rendering.cpp

@@ -60,7 +60,7 @@ public:
         ren.apply();
         if (!preview_.empty()) {
             std::clog << "preview available at " << preview_ << "\n";
-            mapnik::save_to_file(im,preview_);
+            mapnik::save_to_file(im.data(),preview_);
         }
         return true;
     }

benchmark/test_rendering_shared_map.cpp

@@ -101,7 +101,7 @@ public:
         ren.end_map_processing(*m_);
         if (!preview_.empty()) {
             std::clog << "preview available at " << preview_ << "\n";
-            mapnik::save_to_file(im_,preview_);
+            mapnik::save_to_file(im_.data(),preview_);
         }
         return true;
     }

bindings/python/mapnik_image.cpp

@@ -99,17 +99,17 @@ PyObject* tostring3(image_32 const & im, std::string const& format, mapnik::rgba
 
 void save_to_file1(mapnik::image_32 const& im, std::string const& filename)
 {
-    save_to_file(im,filename);
+    save_to_file(im.data(),filename);
 }
 
 void save_to_file2(mapnik::image_32 const& im, std::string const& filename, std::string const& type)
 {
-    save_to_file(im,filename,type);
+    save_to_file(im.data(),filename,type);
 }
 
 void save_to_file3(mapnik::image_32 const& im, std::string const& filename, std::string const& type, mapnik::rgba_palette const& pal)
 {
-    save_to_file(im,filename,type,pal);
+    save_to_file(im.data(),filename,type,pal);
 }
 
 bool painted(mapnik::image_32 const& im)

bindings/python/mapnik_python.cpp

@@ -387,7 +387,7 @@ void render_to_file1(mapnik::Map const& map,
     {
         mapnik::image_32 image(map.width(),map.height());
         render(map,image,1.0,0,0);
-        mapnik::save_to_file(image,filename,format);
+        mapnik::save_to_file(image.data(),filename,format);
     }
 }
 
@@ -406,7 +406,7 @@ void render_to_file2(mapnik::Map const& map,std::string const& filename)
     {
         mapnik::image_32 image(map.width(),map.height());
         render(map,image,1.0,0,0);
-        mapnik::save_to_file(image,filename);
+        mapnik::save_to_file(image.data(),filename);
     }
 }
 
@@ -444,7 +444,7 @@ void render_to_file3(mapnik::Map const& map,
     {
         mapnik::image_32 image(map.width(),map.height());
         render(map,image,scale_factor,0,0);
-        mapnik::save_to_file(image,filename,format);
+        mapnik::save_to_file(image.data(),filename,format);
     }
 }
 

demo/c++/rundemo.cpp

@@ -310,21 +310,21 @@ int main ( int, char** )
         ren.apply();
         std::string msg("These maps have been rendered using AGG in the current directory:\n");
 #ifdef HAVE_JPEG
-        save_to_file(buf,"demo.jpg","jpeg");
+        save_to_file(buf.data(),"demo.jpg","jpeg");
         msg += "- demo.jpg\n";
 #endif
 #ifdef HAVE_PNG
-        save_to_file(buf,"demo.png","png");
-        save_to_file(buf,"demo256.png","png8");
+        save_to_file(buf.data(),"demo.png","png");
+        save_to_file(buf.data(),"demo256.png","png8");
         msg += "- demo.png\n";
         msg += "- demo256.png\n";
 #endif
 #ifdef HAVE_TIFF
-        save_to_file(buf,"demo.tif","tiff");
+        save_to_file(buf.data(),"demo.tif","tiff");
         msg += "- demo.tif\n";
 #endif
 #ifdef HAVE_WEBP
-        save_to_file(buf,"demo.webp","webp");
+        save_to_file(buf.data(),"demo.webp","webp");
         msg += "- demo.webp\n";
 #endif
         msg += "Have a look!\n";

utils/nik2img/nik2img.cpp

@@ -140,7 +140,7 @@ int main (int argc,char** argv)
         }
         mapnik::agg_renderer<mapnik::image_32> ren(map,req,vars,im,scale_factor,0,0);
         ren.apply();
-        mapnik::save_to_file(im,img_file);
+        mapnik::save_to_file(im.data(),img_file);
         if (auto_open)
         {
             std::ostringstream s;