mapnik/src/text_symbolizer.cpp

531 lines
12 KiB
C++

/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2006 Artem Pavlenko
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*****************************************************************************/
//$Id$
//mapnik
#include <mapnik/text_symbolizer.hpp>
// boost
#include <boost/scoped_ptr.hpp>
namespace mapnik
{
static const char * label_placement_strings[] = {
"point",
"line",
"vertex",
"interior",
""
};
IMPLEMENT_ENUM( label_placement_e, label_placement_strings );
static const char * vertical_alignment_strings[] = {
"top",
"middle",
"bottom",
""
};
IMPLEMENT_ENUM( vertical_alignment_e, vertical_alignment_strings );
static const char * horizontal_alignment_strings[] = {
"left",
"middle",
"right",
""
};
IMPLEMENT_ENUM( horizontal_alignment_e, horizontal_alignment_strings );
static const char * justify_alignment_strings[] = {
"left",
"middle",
"right",
""
};
IMPLEMENT_ENUM( justify_alignment_e, justify_alignment_strings );
static const char * text_transform_strings[] = {
"none",
"uppercase",
"lowercase",
""
};
IMPLEMENT_ENUM( text_transform_e, text_transform_strings );
text_symbolizer::text_symbolizer(expression_ptr name, std::string const& face_name, unsigned size, color const& fill)
: symbolizer_base(),
name_(name),
face_name_(face_name),
//fontset_(default_fontset),
size_(size),
text_ratio_(0),
wrap_width_(0),
wrap_char_(' '),
text_transform_(NONE),
line_spacing_(0),
character_spacing_(0),
label_spacing_(0),
label_position_tolerance_(0),
force_odd_labels_(false),
max_char_angle_delta_(25.0 * M_PI/180.0),
fill_(fill),
halo_fill_(color(255,255,255)),
halo_radius_(0),
label_p_(POINT_PLACEMENT),
valign_(MIDDLE),
anchor_(0.0,0.5),
displacement_(0.0,0.0),
avoid_edges_(false),
minimum_distance_(0.0),
minimum_padding_(0.0),
overlap_(false),
text_opacity_(1.0),
wrap_before_(false),
halign_(H_MIDDLE),
jalign_(J_MIDDLE) {}
text_symbolizer::text_symbolizer(expression_ptr name, unsigned size, color const& fill)
: symbolizer_base(),
name_(name),
//face_name_(""),
//fontset_(default_fontset),
size_(size),
text_ratio_(0),
wrap_width_(0),
wrap_char_(' '),
text_transform_(NONE),
line_spacing_(0),
character_spacing_(0),
label_spacing_(0),
label_position_tolerance_(0),
force_odd_labels_(false),
max_char_angle_delta_(25.0 * M_PI/180.0),
fill_(fill),
halo_fill_(color(255,255,255)),
halo_radius_(0),
label_p_(POINT_PLACEMENT),
valign_(MIDDLE),
anchor_(0.0,0.5),
displacement_(0.0,0.0),
avoid_edges_(false),
minimum_distance_(0.0),
minimum_padding_(0.0),
overlap_(false),
text_opacity_(1.0),
wrap_before_(false),
halign_(H_MIDDLE),
jalign_(J_MIDDLE) {}
text_symbolizer::text_symbolizer(text_symbolizer const& rhs)
: symbolizer_base(rhs),
name_(rhs.name_),
orientation_(rhs.orientation_),
face_name_(rhs.face_name_),
fontset_(rhs.fontset_),
size_(rhs.size_),
text_ratio_(rhs.text_ratio_),
wrap_width_(rhs.wrap_width_),
wrap_char_(rhs.wrap_char_),
text_transform_(rhs.text_transform_),
line_spacing_(rhs.line_spacing_),
character_spacing_(rhs.character_spacing_),
label_spacing_(rhs.label_spacing_),
label_position_tolerance_(rhs.label_position_tolerance_),
force_odd_labels_(rhs.force_odd_labels_),
max_char_angle_delta_(rhs.max_char_angle_delta_),
fill_(rhs.fill_),
halo_fill_(rhs.halo_fill_),
halo_radius_(rhs.halo_radius_),
label_p_(rhs.label_p_),
valign_(rhs.valign_),
anchor_(rhs.anchor_),
displacement_(rhs.displacement_),
avoid_edges_(rhs.avoid_edges_),
minimum_distance_(rhs.minimum_distance_),
minimum_padding_(rhs.minimum_padding_),
overlap_(rhs.overlap_),
text_opacity_(rhs.text_opacity_),
wrap_before_(rhs.wrap_before_),
halign_(rhs.halign_),
jalign_(rhs.jalign_) {}
text_symbolizer& text_symbolizer::operator=(text_symbolizer const& other)
{
if (this == &other)
return *this;
name_ = other.name_;
orientation_ = other.orientation_;
face_name_ = other.face_name_;
fontset_ = other.fontset_;
size_ = other.size_;
text_ratio_ = other.text_ratio_;
wrap_width_ = other.wrap_width_;
wrap_char_ = other.wrap_char_;
text_transform_ = other.text_transform_;
line_spacing_ = other.line_spacing_;
character_spacing_ = other.character_spacing_;
label_spacing_ = other.label_spacing_;
label_position_tolerance_ = other.label_position_tolerance_;
force_odd_labels_ = other.force_odd_labels_;
max_char_angle_delta_ = other.max_char_angle_delta_;
fill_ = other.fill_;
halo_fill_ = other.halo_fill_;
halo_radius_ = other.halo_radius_;
label_p_ = other.label_p_;
valign_ = other.valign_;
anchor_ = other.anchor_;
displacement_ = other.displacement_;
avoid_edges_ = other.avoid_edges_;
minimum_distance_ = other.minimum_distance_;
minimum_padding_ = other.minimum_padding_;
overlap_ = other.overlap_;
text_opacity_ = other.text_opacity_;
wrap_before_ = other.wrap_before_;
halign_ = other.halign_;
jalign_ = other.jalign_;
std::cout << "TODO: Metawriter (text_symbolizer::operator=)\n";
return *this;
}
expression_ptr text_symbolizer::get_name() const
{
return name_;
}
void text_symbolizer::set_name(expression_ptr name)
{
name_ = name;
}
expression_ptr text_symbolizer::get_orientation() const
{
return orientation_;
}
void text_symbolizer::set_orientation(expression_ptr orientation)
{
orientation_ = orientation;
}
std::string const& text_symbolizer::get_face_name() const
{
return face_name_;
}
void text_symbolizer::set_face_name(std::string face_name)
{
face_name_ = face_name;
}
void text_symbolizer::set_fontset(font_set const& fontset)
{
fontset_ = fontset;
}
font_set const& text_symbolizer::get_fontset() const
{
return fontset_;
}
unsigned text_symbolizer::get_text_ratio() const
{
return text_ratio_;
}
void text_symbolizer::set_text_ratio(unsigned ratio)
{
text_ratio_ = ratio;
}
unsigned text_symbolizer::get_wrap_width() const
{
return wrap_width_;
}
void text_symbolizer::set_wrap_width(unsigned width)
{
wrap_width_ = width;
}
bool text_symbolizer::get_wrap_before() const
{
return wrap_before_;
}
void text_symbolizer::set_wrap_before(bool wrap_before)
{
wrap_before_ = wrap_before;
}
unsigned char text_symbolizer::get_wrap_char() const
{
return wrap_char_;
}
std::string text_symbolizer::get_wrap_char_string() const
{
return std::string(1, wrap_char_);
}
void text_symbolizer::set_wrap_char(unsigned char character)
{
wrap_char_ = character;
}
void text_symbolizer::set_wrap_char_from_string(std::string const& character)
{
wrap_char_ = (character)[0];
}
text_transform_e text_symbolizer::get_text_transform() const
{
return text_transform_;
}
void text_symbolizer::set_text_transform(text_transform_e convert)
{
text_transform_ = convert;
}
unsigned text_symbolizer::get_line_spacing() const
{
return line_spacing_;
}
void text_symbolizer::set_line_spacing(unsigned spacing)
{
line_spacing_ = spacing;
}
unsigned text_symbolizer::get_character_spacing() const
{
return character_spacing_;
}
void text_symbolizer::set_character_spacing(unsigned spacing)
{
character_spacing_ = spacing;
}
unsigned text_symbolizer::get_label_spacing() const
{
return label_spacing_;
}
void text_symbolizer::set_label_spacing(unsigned spacing)
{
label_spacing_ = spacing;
}
unsigned text_symbolizer::get_label_position_tolerance() const
{
return label_position_tolerance_;
}
void text_symbolizer::set_label_position_tolerance(unsigned tolerance)
{
label_position_tolerance_ = tolerance;
}
bool text_symbolizer::get_force_odd_labels() const
{
return force_odd_labels_;
}
void text_symbolizer::set_force_odd_labels(bool force)
{
force_odd_labels_ = force;
}
double text_symbolizer::get_max_char_angle_delta() const
{
return max_char_angle_delta_;
}
void text_symbolizer::set_max_char_angle_delta(double angle)
{
max_char_angle_delta_ = angle;
}
void text_symbolizer::set_text_size(unsigned size)
{
size_ = size;
}
unsigned text_symbolizer::get_text_size() const
{
return size_;
}
void text_symbolizer::set_fill(color const& fill)
{
fill_ = fill;
}
color const& text_symbolizer::get_fill() const
{
return fill_;
}
void text_symbolizer::set_halo_fill(color const& fill)
{
halo_fill_ = fill;
}
color const& text_symbolizer::get_halo_fill() const
{
return halo_fill_;
}
void text_symbolizer::set_halo_radius(double radius)
{
halo_radius_ = radius;
}
double text_symbolizer::get_halo_radius() const
{
return halo_radius_;
}
void text_symbolizer::set_label_placement(label_placement_e label_p)
{
label_p_ = label_p;
}
label_placement_e text_symbolizer::get_label_placement() const
{
return label_p_;
}
void text_symbolizer::set_vertical_alignment(vertical_alignment_e valign)
{
valign_ = valign;
}
vertical_alignment_e text_symbolizer::get_vertical_alignment() const
{
return valign_;
}
void text_symbolizer::set_anchor(double x, double y)
{
anchor_ = boost::make_tuple(x,y);
}
position const& text_symbolizer::get_anchor() const
{
return anchor_;
}
void text_symbolizer::set_displacement(double x, double y)
{
displacement_ = boost::make_tuple(x,y);
}
position const& text_symbolizer::get_displacement() const
{
return displacement_;
}
bool text_symbolizer::get_avoid_edges() const
{
return avoid_edges_;
}
void text_symbolizer::set_avoid_edges(bool avoid)
{
avoid_edges_ = avoid;
}
double text_symbolizer::get_minimum_distance() const
{
return minimum_distance_;
}
void text_symbolizer::set_minimum_distance(double distance)
{
minimum_distance_ = distance;
}
double text_symbolizer::get_minimum_padding() const
{
return minimum_padding_;
}
void text_symbolizer::set_minimum_padding(double distance)
{
minimum_padding_ = distance;
}
void text_symbolizer::set_allow_overlap(bool overlap)
{
overlap_ = overlap;
}
bool text_symbolizer::get_allow_overlap() const
{
return overlap_;
}
void text_symbolizer::set_text_opacity(double text_opacity)
{
text_opacity_ = text_opacity;
}
double text_symbolizer::get_text_opacity() const
{
return text_opacity_;
}
void text_symbolizer::set_horizontal_alignment(horizontal_alignment_e halign)
{
halign_ = halign;
}
horizontal_alignment_e text_symbolizer::get_horizontal_alignment() const
{
return halign_;
}
void text_symbolizer::set_justify_alignment(justify_alignment_e jalign)
{
jalign_ = jalign;
}
justify_alignment_e text_symbolizer::get_justify_alignment() const
{
return jalign_;
}
}