Lines Matching refs:zoomFactor
61 GLfloat zoomFactor = 1.0;
746 if (zoomFactor > 1.0) {
748 glCopyPixels(0, 0, winWidth / zoomFactor, winHeight / zoomFactor, GL_COLOR);
952 zoomFactor += 1.0;
953 glPixelZoom(zoomFactor, zoomFactor);
954 glViewport(0, 0, winWidth / zoomFactor, winHeight / zoomFactor);
957 zoomFactor -= 1.0;
958 if (zoomFactor < 1.0)
959 zoomFactor = 1.0;
960 glPixelZoom(zoomFactor, zoomFactor);
961 glViewport(0, 0, winWidth / zoomFactor, winHeight / zoomFactor);
985 glViewport(0, 0, w / zoomFactor, h / zoomFactor);