double
paramList::getDouble(unsigned int const paramNumber,
double const minimum,
double const maximum) const {
if (paramNumber >= this->paramVector.size())
throw(fault("Not enough parameters", fault::CODE_TYPE));
if (this->paramVector[paramNumber].type() != value::TYPE_DOUBLE)
throw(fault("Parameter that is supposed to be floating point number "
"is not",
fault::CODE_TYPE));
double const doublevalue(static_cast<double>(
value_double(this->paramVector[paramNumber])));
if (doublevalue < minimum)
throw(fault("Floating point number parameter too low",
fault::CODE_TYPE));
if (doublevalue > maximum)
throw(fault("Floating point number parameter too high",
fault::CODE_TYPE));
return doublevalue;
}
bool text_placement_info_simple::next() const
{
while (true)
{
if (state > 0)
{
if (state > text_sizes_.size()) return false;
properties.format_defaults.text_size = value_double(text_sizes_[state-1]);
}
if (!next_position_only())
{
++state;
position_state = 0;
}
else break;
}
return true;
}
void produce_csv_value_csv(void *csv_metadata, const char *s, size_t len) {
struct csv_metadata *c = (struct csv_metadata *)csv_metadata;
readstat_variable_t *var = &c->variables[c->columns];
int is_date = c->is_date[c->columns];
int obs_index = c->rows - 1; // TODO: ???
readstat_value_t value;
if (len == 0) {
value = value_sysmiss(s, len, c);
} else if (is_date) {
value = value_string(s, len, c);
} else if (var->type == READSTAT_TYPE_DOUBLE) {
value = value_double(s, len, c);
} else if (var->type == READSTAT_TYPE_STRING) {
value = value_string(s, len, c);
} else {
fprintf(stderr, "%s:%d unsupported variable type %d\n", __FILE__, __LINE__, var->type);
exit(EXIT_FAILURE);
}
c->handle.value(obs_index, var, value, c->user_ctx);
}
void grid_renderer<T>::process(line_pattern_symbolizer const& sym,
mapnik::feature_impl & feature,
proj_transform const& prj_trans)
{
std::string filename = get<std::string>(sym, keys::file, feature, common_.vars_);
if (filename.empty()) return;
boost::optional<mapnik::marker_ptr> mark = marker_cache::instance().find(filename, true);
if (!mark) return;
if (!(*mark)->is_bitmap())
{
MAPNIK_LOG_DEBUG(agg_renderer) << "agg_renderer: Only images (not '" << filename << "') are supported in the line_pattern_symbolizer";
return;
}
boost::optional<image_ptr> pat = (*mark)->get_bitmap_data();
if (!pat) return;
bool clip = get<value_bool>(sym, keys::clip, feature, common_.vars_, true);
double offset = get<value_double>(sym, keys::offset, feature, common_.vars_, 0.0);
double simplify_tolerance = get<value_double>(sym, keys::simplify_tolerance, feature, common_.vars_, 0.0);
double smooth = get<value_double>(sym, keys::smooth, feature, common_.vars_, false);
typedef typename grid_renderer_base_type::pixfmt_type pixfmt_type;
typedef typename grid_renderer_base_type::pixfmt_type::color_type color_type;
typedef agg::renderer_scanline_bin_solid<grid_renderer_base_type> renderer_type;
typedef boost::mpl::vector<clip_line_tag, transform_tag,
offset_transform_tag, affine_transform_tag,
simplify_tag, smooth_tag, stroke_tag> conv_types;
agg::scanline_bin sl;
grid_rendering_buffer buf(pixmap_.raw_data(), common_.width_, common_.height_, common_.width_);
pixfmt_type pixf(buf);
grid_renderer_base_type renb(pixf);
renderer_type ren(renb);
ras_ptr->reset();
int stroke_width = (*pat)->width();
agg::trans_affine tr;
auto transform = get_optional<transform_type>(sym, keys::geometry_transform);
if (transform)
{
evaluate_transform(tr, feature, common_.vars_, *transform, common_.scale_factor_);
}
box2d<double> clipping_extent = common_.query_extent_;
if (clip)
{
double padding = (double)(common_.query_extent_.width()/pixmap_.width());
double half_stroke = stroke_width/2.0;
if (half_stroke > 1)
padding *= half_stroke;
if (std::fabs(offset) > 0)
padding *= std::fabs(offset) * 1.2;
padding *= common_.scale_factor_;
clipping_extent.pad(padding);
}
// to avoid the complexity of using an agg pattern filter instead
// we create a line_symbolizer in order to fake the pattern
line_symbolizer line;
put<value_double>(line, keys::stroke_width, value_double(stroke_width));
// TODO: really should pass the offset to the fake line too, but
// this wasn't present in the previous version and makes the test
// fail - in this case, probably the test should be updated.
//put<value_double>(line, keys::offset, value_double(offset));
put<value_double>(line, keys::simplify_tolerance, value_double(simplify_tolerance));
put<value_double>(line, keys::smooth, value_double(smooth));
vertex_converter<box2d<double>, grid_rasterizer, line_symbolizer,
CoordTransform, proj_transform, agg::trans_affine, conv_types, feature_impl>
converter(clipping_extent,*ras_ptr,line,common_.t_,prj_trans,tr,feature,common_.vars_,common_.scale_factor_);
if (clip) converter.set<clip_line_tag>(); // optional clip (default: true)
converter.set<transform_tag>(); // always transform
if (std::fabs(offset) > 0.0) converter.set<offset_transform_tag>(); // parallel offset
converter.set<affine_transform_tag>(); // optional affine transform
if (simplify_tolerance > 0.0) converter.set<simplify_tag>(); // optional simplify converter
if (smooth > 0.0) converter.set<smooth_tag>(); // optional smooth converter
converter.set<stroke_tag>(); //always stroke
for (geometry_type & geom : feature.paths())
{
if (geom.size() > 1)
{
converter.apply(geom);
}
}
// render id
ren.color(color_type(feature.id()));
agg::render_scanlines(*ras_ptr, sl, ren);
// add feature properties to grid cache
pixmap_.add_feature(feature);
}
void grid_renderer<T>::process(line_pattern_symbolizer const& sym,
mapnik::feature_impl & feature,
proj_transform const& prj_trans)
{
std::string filename = get<std::string, keys::file>(sym, feature, common_.vars_);
if (filename.empty()) return;
std::shared_ptr<mapnik::marker const> mark = marker_cache::instance().find(filename, true);
if (mark->is<mapnik::marker_null>()) return;
if (!mark->is<mapnik::marker_rgba8>())
{
MAPNIK_LOG_DEBUG(agg_renderer) << "agg_renderer: Only images (not '" << filename << "') are supported in the line_pattern_symbolizer";
return;
}
value_bool clip = get<value_bool, keys::clip>(sym, feature, common_.vars_);
value_double offset = get<value_double, keys::offset>(sym, feature, common_.vars_);
value_double simplify_tolerance = get<value_double, keys::simplify_tolerance>(sym, feature, common_.vars_);
value_double smooth = get<value_double, keys::smooth>(sym, feature, common_.vars_);
using pixfmt_type = typename grid_renderer_base_type::pixfmt_type;
using color_type = typename grid_renderer_base_type::pixfmt_type::color_type;
using renderer_type = agg::renderer_scanline_bin_solid<grid_renderer_base_type>;
agg::scanline_bin sl;
grid_rendering_buffer buf(pixmap_.raw_data(), common_.width_, common_.height_, common_.width_);
pixfmt_type pixf(buf);
grid_renderer_base_type renb(pixf);
renderer_type ren(renb);
ras_ptr->reset();
line_pattern_enum pattern = get<line_pattern_enum, keys::line_pattern>(sym, feature, common_.vars_);
std::size_t stroke_width = (pattern == LINE_PATTERN_WARP) ? mark->width() :
get<value_double, keys::stroke_width>(sym, feature, common_.vars_);
agg::trans_affine tr;
auto transform = get_optional<transform_type>(sym, keys::geometry_transform);
if (transform)
{
evaluate_transform(tr, feature, common_.vars_, *transform, common_.scale_factor_);
}
box2d<double> clipping_extent = common_.query_extent_;
if (clip)
{
double pad_per_pixel = static_cast<double>(common_.query_extent_.width()/common_.width_);
double pixels = std::ceil(std::max(stroke_width / 2.0 + std::fabs(offset),
(std::fabs(offset) * offset_converter_default_threshold)));
double padding = pad_per_pixel * pixels * common_.scale_factor_;
clipping_extent.pad(padding);
}
// to avoid the complexity of using an agg pattern filter instead
// we create a line_symbolizer in order to fake the pattern
line_symbolizer line;
put<value_double>(line, keys::stroke_width, value_double(stroke_width));
// TODO: really should pass the offset to the fake line too, but
// this wasn't present in the previous version and makes the test
// fail - in this case, probably the test should be updated.
//put<value_double>(line, keys::offset, value_double(offset));
put<value_double>(line, keys::simplify_tolerance, value_double(simplify_tolerance));
put<value_double>(line, keys::smooth, value_double(smooth));
using vertex_converter_type = vertex_converter<clip_line_tag, transform_tag,
affine_transform_tag,
simplify_tag,smooth_tag,
offset_transform_tag,stroke_tag>;
vertex_converter_type converter(clipping_extent,line,common_.t_,prj_trans,tr,feature,common_.vars_,common_.scale_factor_);
if (clip) converter.set<clip_line_tag>();
converter.set<transform_tag>(); // always transform
if (std::fabs(offset) > 0.0) converter.set<offset_transform_tag>(); // parallel offset
converter.set<affine_transform_tag>(); // optional affine transform
if (simplify_tolerance > 0.0) converter.set<simplify_tag>(); // optional simplify converter
if (smooth > 0.0) converter.set<smooth_tag>(); // optional smooth converter
converter.set<stroke_tag>(); //always stroke
using apply_vertex_converter_type = detail::apply_vertex_converter<vertex_converter_type,grid_rasterizer>;
using vertex_processor_type = geometry::vertex_processor<apply_vertex_converter_type>;
apply_vertex_converter_type apply(converter, *ras_ptr);
mapnik::util::apply_visitor(vertex_processor_type(apply),feature.get_geometry());
// render id
ren.color(color_type(feature.id()));
agg::render_scanlines(*ras_ptr, sl, ren);
// add feature properties to grid cache
pixmap_.add_feature(feature);
}
void value(double value)
{
value_double(value);
}
void value(float value)
{
value_double((double)value);
}
