#include <windows.h>
#include <cairo.h>
#include <cairo-win32.h>

void TestWin32Emf (bool metafile)
{
   cairo_surface_t *surface;
   cairo_t *cr;
   HDC hdc;
   if (metafile) 
   {
      hdc = CreateEnhMetaFile(NULL, "test.emf", NULL, "Test\0\0");
      surface = cairo_win32_printing_surface_create (hdc);
   }
   else
      surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 600, 600);
   cr = cairo_create(surface);

   LOGFONTW lf;
   lf.lfHeight = lf.lfWidth = 1;
   lf.lfEscapement = lf.lfOrientation = 0;
   lf.lfWeight = FW_NORMAL;
   lf.lfItalic = lf.lfUnderline = lf.lfStrikeOut = false;
   lf.lfCharSet = DEFAULT_CHARSET;
   lf.lfOutPrecision = OUT_DEFAULT_PRECIS;
   lf.lfClipPrecision = CLIP_DEFAULT_PRECIS;
   lf.lfQuality = CLEARTYPE_QUALITY;
   memcpy(lf.lfFaceName, L"Arial", sizeof(L"Arial"));

   cairo_font_face_t *ff = cairo_win32_font_face_create_for_logfontw(&lf);
   cairo_matrix_t font_scale, ctm;
   cairo_matrix_init_identity(&ctm);
   cairo_matrix_init_identity(&font_scale);
   cairo_matrix_scale(&font_scale, 14, 14);
   cairo_font_options_t *fopt = cairo_font_options_create();
   cairo_scaled_font_t*sf = cairo_scaled_font_create(ff, &font_scale, &ctm, fopt);
   cairo_set_source_rgb(cr, 0, 0, 0);

   const char* txt = "0";
   cairo_set_scaled_font(cr, sf);
   cairo_text_extents_t ext;
   cairo_text_extents(cr, txt, &ext);
   for (int j = 0; j < 50; ++j)
      for (int i = 0; i < 50; ++i)
      {
         cairo_move_to(cr, (ext.width * (1.999 + j * 0.0005)) * i + 20, j * (1.5f * ext.height) + 11);
         cairo_show_text(cr, txt);         
      }

   cairo_destroy(cr);
   if (!metafile) 
      cairo_surface_write_to_png(surface, "test.png");
   cairo_surface_destroy(surface);
   if (metafile) 
      CloseEnhMetaFile(hdc);
}