void WayRenderer::stroke(cairo_t* cr, AssetCache& cache)
{
if (s->width <= 0.0)
return;
addWayPath(cr);
cairo_save(cr);
setLineCap(cr, s->linecap);
setLineJoin(cr, s->linejoin);
cairo_set_source_rgba(cr, COLOR2RGBA(s->color));
const string& image = s->image.str();
cairo_pattern_t* pattern = NULL;
if (!image.empty()) {
pattern = cairo_pattern_create_for_surface(cache.getImage(image));
cairo_pattern_set_extend(pattern, CAIRO_EXTEND_REPEAT);
cairo_set_source(cr, pattern);
}
if (s->dashes.size() > 0)
cairo_set_dash(cr, s->dashes.data(), s->dashes.size(), 0.0);
cairo_set_line_width(cr, s->width);
cairo_stroke(cr);
if (pattern != NULL)
cairo_pattern_destroy(pattern);
cairo_restore(cr);
}
void NodeRenderer::icon(const Cairo::RefPtr<Cairo::Context>& cr, AssetCache& cache)
{
// path to icon not set
if (s->icon_image.str().size() == 0 || s->icon_width == 0.0 || s->icon_height == 0.0)
return;
cr->save();
Cairo::RefPtr<Cairo::ImageSurface> image = cache.getImage(s->icon_image.str());
double width = s->icon_width < 0 ? image->get_width() : s->icon_width;
double height = s->icon_height < 0 ? image->get_height() : s->icon_height;
double x0 = floor(location.x - width/2.0);
double y0 = floor(location.y - height/2.0);
cr->translate(x0, y0);
cr->scale(width / image->get_width(),
height / image->get_height());
cr->set_source(image, 0, 0);
if (s->icon_opacity < 1.0)
cr->paint_with_alpha(s->icon_opacity);
else
cr->paint();
cr->restore();
}
void WayRenderer::fill(cairo_t* cr, AssetCache& cache)
{
if (!way->isClosed())
return;
addWayPath(cr);
cairo_save(cr);
const string& bg = s->fill_image.str();
if (!bg.empty()) {
cairo_pattern_t* pattern = cairo_pattern_create_for_surface(cache.getImage(bg));
cairo_pattern_set_extend(pattern, CAIRO_EXTEND_REPEAT);
cairo_set_source(cr, pattern);
cairo_fill(cr);
cairo_pattern_destroy(pattern);
} else {
cairo_set_source_rgba(cr, COLOR2RGBA(s->fill_color));
cairo_fill(cr);
}
cairo_restore(cr);
}
