An example of using Cairo::PdfSurface class to render to PDF
/* M_PI is defined in math.h in the case of Microsoft Visual C++, Solaris, * et. al. */ #if defined(_MSC_VER) #define _USE_MATH_DEFINES #endif #include <string> #include <iostream> #include <cairommconfig.h> #include <cairomm/context.h> #include <cairomm/surface.h> #include <cmath> int main() { #ifdef CAIRO_HAS_PDF_SURFACE std::string filename = "image.pdf"; int width = 600; int height = 400; Cairo::RefPtr<Cairo::PdfSurface> surface = Cairo::PdfSurface::create(filename, width, height); Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create(surface); cr->save(); // save the state of the context cr->set_source_rgb(0.86, 0.85, 0.47); cr->paint(); // fill image with the color cr->restore(); // color is back to black now cr->save(); // draw a border around the image cr->set_line_width(20.0); // make the line wider cr->rectangle(0.0, 0.0, cairo_image_surface_get_width(surface->cobj()), height); cr->stroke(); cr->set_source_rgba(0.0, 0.0, 0.0, 0.7); // draw a circle in the center of the image cr->arc(width / 2.0, height / 2.0, height / 4.0, 0.0, 2.0 * M_PI); cr->stroke(); // draw a diagonal line cr->move_to(width / 4.0, height / 4.0); cr->line_to(width * 3.0 / 4.0, height * 3.0 / 4.0); cr->stroke(); cr->restore(); cr->show_page(); std::cout << "Wrote PDF file \"" << filename << "\"" << std::endl; return 0; #else std::cout << "You must compile cairo with PDF support for this example to work." << std::endl; return 1; #endif }