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enable rendering a list of svg like $ svg2png *svg

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This commit is contained in:
Dane Springmeyer 2011-01-26 09:14:57 +00:00
parent 578f6e4cfc
commit ec0270ad05
1 changed files with 63 additions and 65 deletions
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128
utils/svg2png/svg2png.cpp
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@ -21,6 +21,7 @@
*****************************************************************************/
#include <iostream>
#include <sstream>
#include <vector>
#include <string>
@ -51,7 +52,7 @@ int main (int argc,char** argv)
namespace po = boost::program_options;
bool verbose=false;
std::string svg;
std::vector<std::string> svg_files;
try
{
@ -60,7 +61,7 @@ int main (int argc,char** argv)
("help,h", "produce usage message")
("version,V","print version string")
("verbose,v","verbose output")
("svg",po::value<std::string>(),"svg file to read")
("svg",po::value<std::vector<std::string> >(),"svg file to read")
;
po::positional_options_description p;
@ -87,78 +88,76 @@ int main (int argc,char** argv)
if (vm.count("svg"))
{
svg=vm["svg"].as<std::string>();
svg_files=vm["svg"].as< std::vector<std::string> >();
}
else
{
std::clog << "please provide an svg file!" << std::endl;
return -1;
}
boost::optional<mapnik::marker_ptr> marker_ptr = mapnik::marker_cache::instance()->find(svg, false);
if (marker_ptr) {
mapnik::marker marker = **marker_ptr;
if (marker.is_vector()) {
int width_ = 600;//marker.width() + 10;
int height_ = 400;//marker.height() + 10;
mapnik::image_32 pixmap_(width_,height_);
agg::rasterizer_scanline_aa<> ras_ptr;
typedef agg::pixfmt_rgba32_plain pixfmt;
typedef agg::renderer_base<pixfmt> renderer_base;
std::vector<std::string>::const_iterator itr = svg_files.begin();
if (itr == svg_files.end())
{
std::clog << "no svg files to render" << std::endl;
return 0;
}
while (itr != svg_files.end())
{
std::string svg_name (*itr++);
ras_ptr.reset();
ras_ptr.gamma(agg::gamma_linear());
agg::scanline_u8 sl;
agg::rendering_buffer buf(pixmap_.raw_data(), width_, height_, width_ * 4);
pixfmt pixf(buf);
renderer_base renb(pixf);
mapnik::box2d<double> const& bbox = (*marker.get_vector_data())->bounding_box();
double x1 = bbox.minx();
double y1 = bbox.miny();
double x2 = bbox.maxx();
double y2 = bbox.maxy();
agg::trans_affine recenter = agg::trans_affine_translation(0.5*(marker.width()-(x1+x2)),0.5*(marker.height()-(y1+y2)));
mapnik::svg::vertex_stl_adapter<mapnik::svg::svg_path_storage> stl_storage((*marker.get_vector_data())->source());
mapnik::svg::svg_path_adapter svg_path(stl_storage);
mapnik::svg::svg_renderer<mapnik::svg::svg_path_adapter,
agg::pod_bvector<mapnik::svg::path_attributes> > svg_renderer_this(svg_path,
(*marker.get_vector_data())->attributes());
agg::trans_affine tr;
/*boost::array<double,6> matrix_;
matrix_[0] = 1.0;
matrix_[1] = 0.0;
matrix_[2] = 0.0;
matrix_[3] = 1.0;
matrix_[4] = 0.0;
matrix_[5] = 0.0;
tr.load_from(&matrix_[0]);
*/
agg::trans_affine mtx = recenter * tr;
double scale_factor_ = 1;
double opacity = 1;
mtx *= agg::trans_affine_scaling(scale_factor_);
//mtx *= agg::trans_affine_translation(width_/2, height_/2);
svg_renderer_this.render(ras_ptr, sl, renb, mtx, opacity, bbox);
mapnik::save_to_file<mapnik::image_data_32>(pixmap_.data(),"test.png","png");
system("open test.png");
boost::optional<mapnik::marker_ptr> marker_ptr = mapnik::marker_cache::instance()->find(svg_name, false);
if (marker_ptr) {
mapnik::marker marker = **marker_ptr;
if (marker.is_vector()) {
int width_ = marker.width();
int height_ = marker.height();
mapnik::image_32 pixmap_(width_,height_);
agg::rasterizer_scanline_aa<> ras_ptr;
typedef agg::pixfmt_rgba32_plain pixfmt;
typedef agg::renderer_base<pixfmt> renderer_base;
ras_ptr.reset();
ras_ptr.gamma(agg::gamma_linear());
agg::scanline_u8 sl;
agg::rendering_buffer buf(pixmap_.raw_data(), width_, height_, width_ * 4);
pixfmt pixf(buf);
renderer_base renb(pixf);
mapnik::box2d<double> const& bbox = (*marker.get_vector_data())->bounding_box();
double x1 = bbox.minx();
double y1 = bbox.miny();
double x2 = bbox.maxx();
double y2 = bbox.maxy();
agg::trans_affine recenter = agg::trans_affine_translation(0.5*(marker.width()-(x1+x2)),0.5*(marker.height()-(y1+y2)));
mapnik::svg::vertex_stl_adapter<mapnik::svg::svg_path_storage> stl_storage((*marker.get_vector_data())->source());
mapnik::svg::svg_path_adapter svg_path(stl_storage);
mapnik::svg::svg_renderer<mapnik::svg::svg_path_adapter,
agg::pod_bvector<mapnik::svg::path_attributes> > svg_renderer_this(svg_path,
(*marker.get_vector_data())->attributes());
agg::trans_affine tr;
agg::trans_affine mtx = recenter * tr;
double scale_factor_ = 1;
double opacity = 1;
mtx *= agg::trans_affine_scaling(scale_factor_);
svg_renderer_this.render(ras_ptr, sl, renb, mtx, opacity, bbox);
boost::algorithm::ireplace_last(svg_name,".svg",".png");
mapnik::save_to_file<mapnik::image_data_32>(pixmap_.data(),svg_name,"png");
std::ostringstream s;
s << "open " << svg_name;
system(s.str().c_str());
}
}
}
}
}
catch (...)
@ -166,8 +165,7 @@ int main (int argc,char** argv)
std::clog << "Exception of unknown type!" << std::endl;
return -1;
}
std::clog << "done!" << std::endl;
return 0;
}