#include <cairommconfig.h>
#include <cairomm/context.h>
#include <cairomm/surface.h>
int main()
{
auto surface =
cr->save();
cr->set_source_rgb(0.86, 0.85, 0.47);
cr->paint();
cr->restore();
cr->save();
cr->set_line_width(20.0);
cr->rectangle(0.0, 0.0, surface->get_width(), surface->get_height());
cr->stroke();
cr->set_source_rgba(0.0, 0.0, 0.0, 0.7);
cr->arc(surface->get_width() / 2.0, surface->get_height() / 2.0,
surface->get_height() / 4.0, 0.0, 2.0 * M_PI);
cr->stroke();
cr->move_to(surface->get_width() / 4.0, surface->get_height() / 4.0);
cr->line_to(surface->get_width() * 3.0 / 4.0, surface->get_height() * 3.0 / 4.0);
cr->stroke();
cr->restore();
#ifdef CAIRO_HAS_PNG_FUNCTIONS
surface->write_to_png(filename);
#else
std::cout <<
"You must compile cairo with PNG support for this example to work."
#endif
}
basic_ostream< _CharT, _Traits > & endl(basic_ostream< _CharT, _Traits > &__os)
static RefPtr< Context > create(const RefPtr< Surface > &target)
static RefPtr< ImageSurface > create(Format format, int width, int height)
Creates an image surface of the specified format and dimensions.
@ ARGB32
Each pixel is a 32-bit quantity, with alpha in the upper 8 bits, then red, then green,...