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svg2png: inflate the rendering canvas to avoid edge affect for 100% w/h svgs

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This commit is contained in:
Dane Springmeyer 2012-07-30 16:37:34 -07:00
parent 1a6cbfb568
commit e6e7b4c700
1 changed files with 4 additions and 3 deletions
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7
utils/svg2png/svg2png.cpp
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@ -155,8 +155,9 @@ int main (int argc,char** argv)
{
std::clog << "found width of '" << w << "' and height of '" << h << "'\n";
}
mapnik::image_32 im(w,h);
agg::rendering_buffer buf(im.raw_data(), w, h, w * 4);
// 10 pixel buffer to avoid edge clipping of 100% svg's
mapnik::image_32 im(w+10,h+10);
agg::rendering_buffer buf(im.raw_data(), im.width(), im.height(), im.width() * 4);
pixfmt pixf(buf);
renderer_base renb(pixf);
@ -165,7 +166,7 @@ int main (int argc,char** argv)
// center the svg marker on '0,0'
agg::trans_affine mtx = agg::trans_affine_translation(-c.x,-c.y);
// render the marker at the center of the marker box
mtx.translate(0.5 * w, 0.5 * h);
mtx.translate(0.5 * im.width(), 0.5 * im.height());
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);