remove aspect_fix_mode as a map property

CHANGELOG.md

@@ -8,6 +8,8 @@ For a complete change history, see the git log.
 
 ## Future
 
+- Removed `Map.aspect_fix_mode` (#1758)
+
 - Added `text-halo-rasterizer` property. Set to `fast` for lower quality but faster
   halo rendering (#1298)
 

bindings/python/mapnik_map.cpp

@@ -137,18 +137,6 @@ void export_map()
 {
     using namespace boost::python;
 
-    // aspect ratio fix modes
-    mapnik::enumeration_<mapnik::aspect_fix_mode_e>("aspect_fix_mode")
-        .value("GROW_BBOX", mapnik::Map::GROW_BBOX)
-        .value("GROW_CANVAS",mapnik::Map::GROW_CANVAS)
-        .value("SHRINK_BBOX",mapnik::Map::SHRINK_BBOX)
-        .value("SHRINK_CANVAS",mapnik::Map::SHRINK_CANVAS)
-        .value("ADJUST_BBOX_WIDTH",mapnik::Map::ADJUST_BBOX_WIDTH)
-        .value("ADJUST_BBOX_HEIGHT",mapnik::Map::ADJUST_BBOX_HEIGHT)
-        .value("ADJUST_CANVAS_WIDTH",mapnik::Map::ADJUST_CANVAS_WIDTH)
-        .value("ADJUST_CANVAS_HEIGHT", mapnik::Map::ADJUST_CANVAS_HEIGHT)
-        ;
-
     class_<std::vector<layer> >("Layers")
         .def(vector_indexing_suite<std::vector<layer> >())
         ;
@@ -385,17 +373,6 @@ void export_map()
         //.def("__deepcopy__",&map_deepcopy)
         .add_property("parameters",make_function(params_nonconst,return_value_policy<reference_existing_object>()),"TODO")
 
-        .add_property("aspect_fix_mode",
-                      &Map::get_aspect_fix_mode,
-                      &Map::set_aspect_fix_mode,
-                      // TODO - how to add arg info to properties?
-                      //(arg("aspect_fix_mode")),
-                      "Get/Set aspect fix mode.\n"
-                      "Usage:\n"
-                      "\n"
-                      ">>> m.aspect_fix_mode = aspect_fix_mode.GROW_BBOX\n"
-            )
-
         .add_property("background",make_function
                       (&Map::background,return_value_policy<copy_const_reference>()),
                       &Map::set_background,

include/mapnik/map.hpp

@@ -43,29 +43,6 @@ class CoordTransform;
 
 class MAPNIK_DECL Map
 {
-public:
-
-    enum aspect_fix_mode
-    {
-        // grow the width or height of the specified geo bbox to fill the map size. default behaviour.
-        GROW_BBOX,
-        // grow the width or height of the map to accomodate the specified geo bbox.
-        GROW_CANVAS,
-        // shrink the width or height of the specified geo bbox to fill the map size.
-        SHRINK_BBOX,
-        // shrink the width or height of the map to accomodate the specified geo bbox.
-        SHRINK_CANVAS,
-        // adjust the width of the specified geo bbox, leave height and map size unchanged
-        ADJUST_BBOX_WIDTH,
-        // adjust the height of the specified geo bbox, leave width and map size unchanged
-        ADJUST_BBOX_HEIGHT,
-        // adjust the width of the map, leave height and geo bbox unchanged
-        ADJUST_CANVAS_WIDTH,
-        //adjust the height of the map, leave width and geo bbox unchanged
-        ADJUST_CANVAS_HEIGHT,
-        //
-        aspect_fix_mode_MAX
-    };
 
 private:
     static const unsigned MIN_MAPSIZE=16;
@@ -79,7 +56,6 @@ private:
     std::map<std::string,feature_type_style> styles_;
     std::map<std::string,font_set> fontsets_;
     std::vector<layer> layers_;
-    aspect_fix_mode aspectFixMode_;
     box2d<double> current_extent_;
     boost::optional<box2d<double> > maximum_extent_;
     std::string base_path_;
@@ -324,7 +300,6 @@ public:
 
     /*! \brief Zoom the map to a bounding box.
      *
-     *  Aspect is handled automatic if not fitting to width/height.
      *  @param box The bounding box where to zoom.
      */
     void zoom_to_box(box2d<double> const& box);
@@ -384,9 +359,6 @@ public:
 
     ~Map();
 
-    inline void set_aspect_fix_mode(aspect_fix_mode afm) { aspectFixMode_ = afm; }
-    inline aspect_fix_mode get_aspect_fix_mode() const { return aspectFixMode_; }
-
     /*!
      * @brief Get extra, arbitrary Parameters attached to the Map
      */
@@ -401,12 +373,8 @@ public:
      * @brief Set extra, arbitary Parameters of the Map
      */
     void set_extra_parameters(parameters& params);
-
-private:
-    void fixAspectRatio();
 };
 
-DEFINE_ENUM(aspect_fix_mode_e,Map::aspect_fix_mode);
 }
 
 #endif // MAPNIK_MAP_HPP

src/deepcopy.cpp

@@ -62,7 +62,6 @@ namespace mapnik { namespace util {
 //  *   styles_(rhs.styles_),
 //      fontsets_(rhs.fontsets_),
 //  *   layers_(rhs.layers_),
-//      aspectFixMode_(rhs.aspectFixMode_),
 //      current_extent_(rhs.current_extent_),
 //  *   maximum_extent_(rhs.maximum_extent_),
 //  *   base_path_(rhs.base_path_),

src/map.cpp

@@ -45,26 +45,11 @@
 namespace mapnik
 {
 
-static const char * aspect_fix_mode_strings[] = {
-    "GROW_BBOX",
-    "GROW_CANVAS",
-    "SHRINK_BBOX",
-    "SHRINK_CANVAS",
-    "ADJUST_BBOX_WIDTH",
-    "ADJUST_BBOX_HEIGHT",
-    "ADJUST_CANVAS_WIDTH",
-    "ADJUST_CANVAS_HEIGHT",
-    ""
-};
-
-IMPLEMENT_ENUM( aspect_fix_mode_e, aspect_fix_mode_strings )
-
 Map::Map()
 : width_(400),
     height_(400),
     srs_(MAPNIK_LONGLAT_PROJ),
     buffer_size_(0),
-    aspectFixMode_(GROW_BBOX),
     base_path_("") {}
 
 Map::Map(int width,int height, std::string const& srs)
@@ -72,7 +57,6 @@ Map::Map(int width,int height, std::string const& srs)
       height_(height),
       srs_(srs),
       buffer_size_(0),
-      aspectFixMode_(GROW_BBOX),
       base_path_("") {}
 
 Map::Map(Map const& rhs)
@@ -85,7 +69,6 @@ Map::Map(Map const& rhs)
       styles_(rhs.styles_),
       fontsets_(rhs.fontsets_),
       layers_(rhs.layers_),
-      aspectFixMode_(rhs.aspectFixMode_),
       current_extent_(rhs.current_extent_),
       maximum_extent_(rhs.maximum_extent_),
       base_path_(rhs.base_path_),
@@ -105,7 +88,6 @@ Map& Map::operator=(Map const& rhs)
     styles_=rhs.styles_;
     fontsets_ = rhs.fontsets_;
     layers_=rhs.layers_;
-    aspectFixMode_=rhs.aspectFixMode_;
     maximum_extent_=rhs.maximum_extent_;
     base_path_=rhs.base_path_;
     extra_params_=rhs.extra_params_;
@@ -242,38 +224,31 @@ unsigned Map::height() const
 
 void Map::set_width(unsigned width)
 {
-    if (width != width_ &&
-        width >= MIN_MAPSIZE &&
+    if (width >= MIN_MAPSIZE &&
         width <= MAX_MAPSIZE)
     {
-        width_=width;
-        fixAspectRatio();
+        width_ = width;
     }
 }
 
 void Map::set_height(unsigned height)
 {
-    if (height != height_ &&
-        height >= MIN_MAPSIZE &&
+    if (height >= MIN_MAPSIZE &&
         height <= MAX_MAPSIZE)
     {
-        height_=height;
-        fixAspectRatio();
+        height_ = height;
     }
 }
 
 void Map::resize(unsigned width,unsigned height)
 {
-    if (width != width_ &&
-        height != height_ &&
-        width >= MIN_MAPSIZE &&
+    if (width >= MIN_MAPSIZE &&
         width <= MAX_MAPSIZE &&
         height >= MIN_MAPSIZE &&
         height <= MAX_MAPSIZE)
     {
-        width_=width;
-        height_=height;
-        fixAspectRatio();
+        width_ = width;
+        height_ = height;
     }
 }
 
@@ -351,7 +326,6 @@ void Map::zoom(double factor)
                                     center.y - 0.5 * h,
                                     center.x + 0.5 * w,
                                     center.y + 0.5 * h);
-    fixAspectRatio();
 }
 
 void Map::zoom_all()
@@ -428,64 +402,7 @@ void Map::zoom_all()
 
 void Map::zoom_to_box(box2d<double> const& box)
 {
-    current_extent_=box;
-    fixAspectRatio();
-}
-
-void Map::fixAspectRatio()
-{
-    if (current_extent_.width() > 0 && current_extent_.height() > 0)
-    {
-        double ratio1 = static_cast<double>(width_) / static_cast<double>(height_);
-        double ratio2 = current_extent_.width() / current_extent_.height();
-        if (ratio1 == ratio2) return;
-
-        switch(aspectFixMode_)
-        {
-        case ADJUST_BBOX_HEIGHT:
-            current_extent_.height(current_extent_.width() / ratio1);
-            break;
-        case ADJUST_BBOX_WIDTH:
-            current_extent_.width(current_extent_.height() * ratio1);
-            break;
-        case ADJUST_CANVAS_HEIGHT:
-            height_ = int (width_ / ratio2 + 0.5);
-            break;
-        case ADJUST_CANVAS_WIDTH:
-            width_ = int (height_ * ratio2 + 0.5);
-            break;
-        case GROW_BBOX:
-            if (ratio2 > ratio1)
-                current_extent_.height(current_extent_.width() / ratio1);
-            else
-                current_extent_.width(current_extent_.height() * ratio1);
-            break;
-        case SHRINK_BBOX:
-            if (ratio2 < ratio1)
-                current_extent_.height(current_extent_.width() / ratio1);
-            else
-                current_extent_.width(current_extent_.height() * ratio1);
-            break;
-        case GROW_CANVAS:
-            if (ratio2 > ratio1)
-                width_ = static_cast<int>(height_ * ratio2 + 0.5);
-            else
-                height_ = int (width_ / ratio2 + 0.5);
-            break;
-        case SHRINK_CANVAS:
-            if (ratio2 > ratio1)
-                height_ = int (width_ / ratio2 + 0.5);
-            else
-                width_ = static_cast<int>(height_ * ratio2 + 0.5);
-            break;
-        default:
-            if (ratio2 > ratio1)
-                current_extent_.height(current_extent_.width() / ratio1);
-            else
-                current_extent_.width(current_extent_.height() * ratio1);
-            break;
-        }
-    }
+    current_extent_ = box;
 }
 
 box2d<double> const& Map::get_current_extent() const

tests/python_tests/map_deepcopy_test.py

@@ -23,7 +23,6 @@ def setup():
 #    eq_(m2.base, m1.base)
 #    eq_(m2.background, m1.background)
 #    eq_(m2.buffer_size, m1.buffer_size)
-#    eq_(m2.aspect_fix_mode, m1.aspect_fix_mode)
 #    eq_(m2.envelope(),m1.envelope())
 #    eq_(m2.buffered_envelope(),m1.buffered_envelope())
 #    eq_(m2.scale(),m1.scale())