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+ add stroke-dashoffset property

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+ replace <CssParameter name='xxx'>yyy</CssParameter>
   element with 'xxx'=yyy attribute
This commit is contained in:
Artem Pavlenko 2010-04-09 18:46:25 +00:00
parent 1acc288349
commit 5fcc311764
4 changed files with 769 additions and 791 deletions
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21
include/mapnik/stroke.hpp
View file

@ -33,7 +33,7 @@ namespace mapnik
{
using std::pair;
using std::vector;
typedef vector<pair<float,float> > dash_array;
typedef vector<pair<double,double> > dash_array;
// if you add new tokens, don't forget to add them to the corresponding
// string array in the cpp file.
@ -63,14 +63,15 @@ namespace mapnik
class MAPNIK_DECL stroke
{
color c_;
float width_;
float opacity_; // 0.0 - 1.0
double width_;
double opacity_; // 0.0 - 1.0
line_cap_e line_cap_;
line_join_e line_join_;
dash_array dash_;
double dash_offset_;
public:
explicit stroke();
stroke(color const& c, float width=1.0);
stroke(color const& c, double width=1.0);
stroke(stroke const& other);
stroke& operator=(const stroke& rhs);
@ -78,11 +79,11 @@ namespace mapnik
color const& get_color() const;
float get_width() const;
void set_width(float w);
void set_opacity(float opacity);
double get_width() const;
void set_width(double w);
void set_opacity(double opacity);
float get_opacity() const;
double get_opacity() const;
void set_line_cap(line_cap_e line_cap);
line_cap_e get_line_cap() const;
@ -90,8 +91,10 @@ namespace mapnik
void set_line_join(line_join_e line_join);
line_join_e get_line_join() const;
void add_dash(float dash,float gap);
void add_dash(double dash,double gap);
bool has_dash() const;
void set_dash_offset(double offset);
double dash_offset() const;
dash_array const& get_dash_array() const;

85
src/load_map.cpp
View file

@ -1258,59 +1258,43 @@ namespace mapnik
try
{
stroke strk;
ptree::const_iterator cssIter = sym.begin();
ptree::const_iterator endCss = sym.end();
for(; cssIter != endCss; ++cssIter)
// stroke color
optional<color> c= get_opt_attr<color>(sym, "stroke");
if (c) strk.set_color(*c);
// stroke-width
optional<double> width = get_opt_attr<double>(sym, "stroke-width");
if (width) strk.set_width(*width);
// stroke-opacity
optional<double> opacity = get_opt_attr<double>(sym, "stroke-opacity");
if (opacity) strk.set_opacity(*opacity);
// stroke-linejoin
optional<line_join_e> line_join = get_opt_attr<line_join_e>(sym, "stroke-linejoin");
if (line_join) strk.set_line_join(*line_join);
// stroke-linecap
optional<line_cap_e> line_cap = get_opt_attr<line_cap_e>(sym, "stroke-linecap");
if (line_cap) strk.set_line_cap(*line_cap);
// stroke-dashaffset
optional<double> offset = get_opt_attr<double>(sym, "stroke-dashoffet");
if (offset) strk.set_dash_offset(*offset);
// stroke-dasharray
optional<string> str = get_opt_attr<string>(sym,"stroke-dasharray");
if (str)
{
ptree::value_type const& css_tag = *cssIter;
ptree const & css = cssIter->second;
if (css_tag.first == "CssParameter")
{
std::string css_name = get_attr<string>(css, "name");
if (css_name == "stroke")
{
color c = get_css<color>(css, css_name);
strk.set_color(c);
}
else if (css_name == "stroke-width")
{
float width = get_css<float>(css, css_name);
strk.set_width(width);
}
else if (css_name == "stroke-opacity")
{
float opacity = get_css<float>(css, css_name);
strk.set_opacity(opacity);
}
else if (css_name == "stroke-linejoin")
{
line_join_e line_join = get_css<line_join_e>(css, css_name);
strk.set_line_join( line_join );
}
else if (css_name == "stroke-linecap")
{
line_cap_e line_cap = get_css<line_cap_e>(css, css_name);
strk.set_line_cap( line_cap );
}
else if (css_name == "stroke-dasharray")
{
tokenizer<> tok ( css.data() );
std::vector<float> dash_array;
tokenizer<> tok (*str);
std::vector<double> dash_array;
tokenizer<>::iterator itr = tok.begin();
for (; itr != tok.end(); ++itr)
{
try
{
float f = boost::lexical_cast<float>(*itr);
double f = boost::lexical_cast<double>(*itr);
dash_array.push_back(f);
}
catch ( boost::bad_lexical_cast &)
{
throw config_error(std::string("Failed to parse CSS ") +
"parameter '" + css_name + "'. Expected a " +
"list of floats but got '" + css.data() + "'");
throw config_error(std::string("Failed to parse dasharray ") +
"'. Expected a " +
"list of floats but got '" + (*str) + "'");
}
}
if (dash_array.size())
@ -1323,7 +1307,7 @@ namespace mapnik
dash_array.push_back(dash_array[i]);
}
}
std::vector<float>::const_iterator pos = dash_array.begin();
std::vector<double>::const_iterator pos = dash_array.begin();
while (pos != dash_array.end())
{
strk.add_dash(*pos,*(pos + 1));
@ -1331,19 +1315,6 @@ namespace mapnik
}
}
}
else
{
throw config_error(std::string("Failed to parse unknown CSS ") +
"parameter '" + css_name + "'");
}
}
else if (css_tag.first != "<xmlcomment>" &&
css_tag.first != "<xmlattr>" )
{
throw config_error(std::string("Unknown child node. ") +
"Expected 'CssParameter' but got '" + css_tag.first + "'");
}
}
rule.append(line_symbolizer(strk));
}
catch (const config_error & ex)

4
src/save_map.cpp
View file

@ -129,6 +129,10 @@ namespace mapnik
}
set_css( sym_node, "stroke-dasharray", os.str() );
}
if ( strk.dash_offset() != dfl.dash_offset() || explicit_defaults_ )
{
set_css( sym_node, "stroke-dashoffset", strk.dash_offset());
}
}
void operator () ( const line_pattern_symbolizer & sym )