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Merge pull request #1966 from mapnik/background-image-comp-op

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Map background-image-comp-op and background-image-opacity
This commit is contained in:
Dane Springmeyer 2013-09-05 12:25:47 -07:00
commit c5dd5487a5
17 changed files with 305 additions and 7 deletions
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16
bindings/python/mapnik_map.cpp
View file

@ -412,6 +412,22 @@ void export_map()
">>> m.background_image = '/path/to/image.png'\n" ">>> m.background_image = '/path/to/image.png'\n"
) )
.add_property("background_image_comp_op",&Map::background_image_comp_op,
&Map::set_background_image_comp_op,
"The background image compositing operation.\n"
"\n"
"Usage:\n"
">>> m.background_image_comp_op = mapnik.CompositeOp.src_over\n"
)
.add_property("background_image_opacity",&Map::background_image_opacity,
&Map::set_background_image_opacity,
"The background image opacity.\n"
"\n"
"Usage:\n"
">>> m.background_image_opacity = 1.0\n"
)
.add_property("base", .add_property("base",
make_function(&Map::base_path,return_value_policy<copy_const_reference>()), make_function(&Map::base_path,return_value_policy<copy_const_reference>()),
&Map::set_base_path, &Map::set_base_path,

28
include/mapnik/map.hpp
View file

@ -25,15 +25,17 @@
// mapnik // mapnik
#include <mapnik/color.hpp> #include <mapnik/color.hpp>
#include <mapnik/config.hpp>
#include <mapnik/font_set.hpp> #include <mapnik/font_set.hpp>
#include <mapnik/enumeration.hpp> #include <mapnik/enumeration.hpp>
#include <mapnik/datasource.hpp> // for featureset_ptr #include <mapnik/datasource.hpp> // for featureset_ptr
#include <mapnik/layer.hpp> #include <mapnik/layer.hpp>
#include <mapnik/params.hpp> #include <mapnik/params.hpp>
#include <mapnik/well_known_srs.hpp> #include <mapnik/well_known_srs.hpp>
#include <mapnik/image_compositing.hpp>
// boost // boost
#include <boost/optional/optional.hpp> #include <boost/optional.hpp>
namespace mapnik namespace mapnik
{ {
@ -76,6 +78,8 @@ private:
int buffer_size_; int buffer_size_;
boost::optional<color> background_; boost::optional<color> background_;
boost::optional<std::string> background_image_; boost::optional<std::string> background_image_;
composite_mode_e background_image_comp_op_;
float background_image_opacity_;
std::map<std::string,feature_type_style> styles_; std::map<std::string,feature_type_style> styles_;
std::map<std::string,font_set> fontsets_; std::map<std::string,font_set> fontsets_;
std::vector<layer> layers_; std::vector<layer> layers_;
@ -286,10 +290,30 @@ public:
*/ */
boost::optional<std::string> const& background_image() const; boost::optional<std::string> const& background_image() const;
/*! \brief Set the compositing operation uses to blend the background image into the background color.
* @param comp_op compositing operation.
*/
void set_background_image_comp_op(composite_mode_e comp_op);
/*! \brief Get the map background image compositing operation
* @return Background image compositing operation as composite_mode_e
* object
*/
composite_mode_e background_image_comp_op() const;
/*! \brief Set the map background image opacity.
* @param opacity Background image opacity.
*/
void set_background_image_opacity(float opacity);
/*! \brief Get the map background image opacity
* @return opacity value as float
*/
float background_image_opacity() const;
/*! \brief Set buffer size /*! \brief Set buffer size
* @param buffer_size Buffer size in pixels. * @param buffer_size Buffer size in pixels.
*/ */
void set_buffer_size(int buffer_size); void set_buffer_size(int buffer_size);
/*! \brief Get the map buffer size /*! \brief Get the map buffer size

2
include/mapnik/symbolizer.hpp
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@ -30,7 +30,7 @@
#include <mapnik/simplify.hpp> #include <mapnik/simplify.hpp>
// boost // boost
#include <boost/optional.hpp> #include <boost/shared_ptr.hpp>
// stl // stl
#include <vector> #include <vector>

6
src/agg/agg_renderer.cpp
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@ -162,13 +162,13 @@ void agg_renderer<T>::setup(Map const &m)
if ( w > 0 && h > 0) if ( w > 0 && h > 0)
{ {
// repeat background-image both vertically and horizontally // repeat background-image both vertically and horizontally
unsigned x_steps = unsigned(std::ceil(width_/double(w))); unsigned x_steps = static_cast<unsigned>(std::ceil(width_/double(w)));
unsigned y_steps = unsigned(std::ceil(height_/double(h))); unsigned y_steps = static_cast<unsigned>(std::ceil(height_/double(h)));
for (unsigned x=0;x<x_steps;++x) for (unsigned x=0;x<x_steps;++x)
{ {
for (unsigned y=0;y<y_steps;++y) for (unsigned y=0;y<y_steps;++y)
{ {
composite(pixmap_.data(),*bg_image, src_over, 1.0f, x*w, y*h, false); composite(pixmap_.data(),*bg_image, m.background_image_comp_op(), m.background_image_opacity(), x*w, y*h, false);
} }
} }
} }

2
src/deepcopy.cpp
View file

@ -87,6 +87,8 @@ namespace mapnik { namespace util {
{ {
map_out.set_background_image(*background_image); map_out.set_background_image(*background_image);
} }
map_out.set_background_image_comp_op(map_in.background_image_comp_op());
map_out.set_background_image_opacity(map_in.background_image_opacity());
// maximum extent // maximum extent
boost::optional<box2d<double> > max_extent = map_in.maximum_extent(); boost::optional<box2d<double> > max_extent = map_in.maximum_extent();
if (max_extent) if (max_extent)

20
src/load_map.cpp
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@ -199,6 +199,26 @@ void map_parser::parse_map(Map & map, xml_node const& pt, std::string const& bas
map.set_background_image(ensure_relative_to_xml(image_filename)); map.set_background_image(ensure_relative_to_xml(image_filename));
} }
optional<std::string> comp_op_name = map_node.get_opt_attr<std::string>("background-image-comp-op");
if (comp_op_name)
{
optional<composite_mode_e> comp_op = comp_op_from_string(*comp_op_name);
if (comp_op)
{
map.set_background_image_comp_op(*comp_op);
}
else
{
throw config_error("failed to parse background-image-comp-op: '" + *comp_op_name + "'");
}
}
optional<float> opacity = map_node.get_opt_attr<float>("background-image-opacity");
if (opacity)
{
map.set_background_image_opacity(*opacity);
}
std::string srs = map_node.get_attr("srs", map.srs()); std::string srs = map_node.get_attr("srs", map.srs());
try try
{ {

28
src/map.cpp
View file

@ -67,6 +67,8 @@ Map::Map()
height_(400), height_(400),
srs_(MAPNIK_LONGLAT_PROJ), srs_(MAPNIK_LONGLAT_PROJ),
buffer_size_(0), buffer_size_(0),
background_image_comp_op_(src_over),
background_image_opacity_(1.0),
aspectFixMode_(GROW_BBOX), aspectFixMode_(GROW_BBOX),
base_path_("") {} base_path_("") {}
@ -75,6 +77,8 @@ Map::Map(int width,int height, std::string const& srs)
height_(height), height_(height),
srs_(srs), srs_(srs),
buffer_size_(0), buffer_size_(0),
background_image_comp_op_(src_over),
background_image_opacity_(1.0),
aspectFixMode_(GROW_BBOX), aspectFixMode_(GROW_BBOX),
base_path_("") {} base_path_("") {}
@ -85,6 +89,8 @@ Map::Map(Map const& rhs)
buffer_size_(rhs.buffer_size_), buffer_size_(rhs.buffer_size_),
background_(rhs.background_), background_(rhs.background_),
background_image_(rhs.background_image_), background_image_(rhs.background_image_),
background_image_comp_op_(rhs.background_image_comp_op_),
background_image_opacity_(rhs.background_image_opacity_),
styles_(rhs.styles_), styles_(rhs.styles_),
fontsets_(rhs.fontsets_), fontsets_(rhs.fontsets_),
layers_(rhs.layers_), layers_(rhs.layers_),
@ -105,6 +111,8 @@ Map& Map::operator=(Map const& rhs)
buffer_size_ = rhs.buffer_size_; buffer_size_ = rhs.buffer_size_;
background_=rhs.background_; background_=rhs.background_;
background_image_=rhs.background_image_; background_image_=rhs.background_image_;
background_image_comp_op_=rhs.background_image_comp_op_;
background_image_opacity_=rhs.background_image_opacity_;
styles_=rhs.styles_; styles_=rhs.styles_;
fontsets_ = rhs.fontsets_; fontsets_ = rhs.fontsets_;
layers_=rhs.layers_; layers_=rhs.layers_;
@ -320,6 +328,26 @@ void Map::set_background_image(std::string const& image_filename)
background_image_ = image_filename; background_image_ = image_filename;
} }
composite_mode_e Map::background_image_comp_op() const
{
return background_image_comp_op_;
}
void Map::set_background_image_comp_op(composite_mode_e comp_op)
{
background_image_comp_op_ = comp_op;
}
float Map::background_image_opacity() const
{
return background_image_opacity_;
}
void Map::set_background_image_opacity(float opacity)
{
background_image_opacity_ = opacity;
}
void Map::set_maximum_extent(box2d<double> const& box) void Map::set_maximum_extent(box2d<double> const& box)
{ {
maximum_extent_.reset(box); maximum_extent_.reset(box);

13
src/save_map.cpp
View file

@ -831,6 +831,19 @@ void serialize_map(ptree & pt, Map const & map, bool explicit_defaults)
set_attr( map_node, "background-image", *image_filename ); set_attr( map_node, "background-image", *image_filename );
} }
composite_mode_e comp_op = map.background_image_comp_op();
if (comp_op != src_over || explicit_defaults)
{
set_attr(map_node, "background-image-comp-op", *comp_op_to_string(comp_op));
}
double opacity = map.background_image_opacity();
if (opacity != 1.0 || explicit_defaults)
{
set_attr(map_node, "background-image-opacity", opacity);
}
int buffer_size = map.buffer_size(); int buffer_size = map.buffer_size();
if ( buffer_size || explicit_defaults) if ( buffer_size || explicit_defaults)
{ {

3
tests/python_tests/object_test.py
View file

@ -336,6 +336,9 @@ def test_map_init():
eq_(m.srs, '+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs') eq_(m.srs, '+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs')
eq_(m.base, '') eq_(m.base, '')
eq_(m.maximum_extent, None) eq_(m.maximum_extent, None)
eq_(m.background_image, None)
eq_(m.background_image_comp_op, mapnik.CompositeOp.src_over)
eq_(m.background_image_opacity, 1.0)
m = mapnik.Map(256, 256, '+proj=latlong') m = mapnik.Map(256, 256, '+proj=latlong')
eq_(m.srs, '+proj=latlong') eq_(m.srs, '+proj=latlong')

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137
tests/visual_tests/grids/map-background-image-compositing-512-512-1.0-grid-reference.json Normal file
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@ -0,0 +1,137 @@
{
"keys": [
"",
"1"
],
"data": {},
"grid": [
" ",
" ",
" ",
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" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" !!!!!!!! ",
" !!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!!!!!!!!! ",
" !!!!!!!!!!!!!!!! ",
" ",
" ",
" ",
" ",
" ",
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" ",
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]
}

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54
tests/visual_tests/styles/map-background-image-compositing.xml Normal file
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@ -0,0 +1,54 @@
<Map srs="+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs"
background-color="green"
background-image-opacity=".8"
background-image-comp-op="screen"
background-image="../data/pattern.png">
<Style name="ellipse">
<Rule>
<MarkersSymbolizer
width="240"
height="240"
fill="steelblue"
fill-opacity=".2"
stroke="yellow"
stroke-width="16"
stroke-opacity=".3"
/>
</Rule>
</Style>
<Layer name="layer" srs="+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs">
<StyleName>ellipse</StyleName>
<Datasource>
<Parameter name="type">csv</Parameter>
<Parameter name="inline">
x,y
2.5,2.5
</Parameter>
</Datasource>
</Layer>
<!-- points to frame data view -->
<Style name="frame">
<Rule>
<PointSymbolizer />
</Rule>
</Style>
<Layer name="frame" srs="+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs">
<StyleName>frame</StyleName>
<Datasource>
<Parameter name="type">csv</Parameter>
<Parameter name="inline">
x,y
0,0
5,0
0,5
5,5
</Parameter>
</Datasource>
</Layer>
</Map>

3
tests/visual_tests/test.py
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@ -169,7 +169,8 @@ files = {
'style-level-compositing-tiled-1,0':{'sizes':[(512,512)],'bbox':merc_z1_bboxes['1,0']}, 'style-level-compositing-tiled-1,0':{'sizes':[(512,512)],'bbox':merc_z1_bboxes['1,0']},
'style-level-compositing-tiled-0,1':{'sizes':[(512,512)],'bbox':merc_z1_bboxes['0,1']}, 'style-level-compositing-tiled-0,1':{'sizes':[(512,512)],'bbox':merc_z1_bboxes['0,1']},
'style-level-compositing-tiled-1,1':{'sizes':[(512,512)],'bbox':merc_z1_bboxes['1,1']}, 'style-level-compositing-tiled-1,1':{'sizes':[(512,512)],'bbox':merc_z1_bboxes['1,1']},
'marker-path-expression':{} 'marker-path-expression':{},
'map-background-image-compositing':{'sizes':[(512,512)]}
} }
class Reporting: class Reporting: