shiftCTM         1131 lib/pdf/xpdf/GfxState.h   void shiftCTM(double tx, double ty);
shiftCTM         2548 lib/pdf/xpdf/SplashOutputDev.cc   state->shiftCTM(-tx, -ty);
shiftCTM         2560 lib/pdf/xpdf/SplashOutputDev.cc   state->shiftCTM(transpGroupStack->tx, transpGroupStack->ty);