gistfile1.c

/*
(0,0)
  +..................
  : image           :
  :                 :
  :     +----+      :
  :     |rect|      :
  :     +----+      :
  :                 :
  ...................

*/
float imgx = 0, imgy = 0, imgw = 200, imgh = 200;
imgPaint = nvgImagePattern(vg, imgx, imgy, imgw, imgh, 0.0f/*rotation*/, images[i], 1.0f/*alpha*/);
nvgBeginPath(vg);
nvgRect(vg, 30,30, 30,30);
nvgFillPaint(vg, imgPaint);
nvgFill(vg);