519             Trace((stderr, "about to call XOpenDisplay()\n"))  in main()
577         Trace((stderr, "about to call readpng2_decode_data()\n"))  in main()
580         Trace((stderr, "done with readpng2_decode_data()\n"))  in main()
584                 Trace((stderr, "done decoding PNG image\n"))  in main()
609     Trace((stderr, "about to call readpng2_cleanup()\n"))  in main()
621         Trace((stderr, "entering -loop loop (FEATURE_LOOP)\n"))  in main()
718         Trace((stderr, "entering final wait-for-quit-event loop\n"))  in main()
735     Trace((stderr, "about to call rpng2_x_cleanup()\n"))  in main()
754     Trace((stderr, "beginning rpng2_x_init()\n"))  in rpng2_x_init()
755     Trace((stderr, "  rowbytes = %d\n", rpng2_info.rowbytes))  in rpng2_x_init()
756     Trace((stderr, "  width  = %ld\n", rpng2_info.width))  in rpng2_x_init()
757     Trace((stderr, "  height = %ld\n", rpng2_info.height))  in rpng2_x_init()
823     Trace((stderr, "beginning rpng2_x_create_window()\n"))  in rpng2_x_create_window()
836         Trace((stderr, "default depth is %d:  checking other visuals\n",  in rpng2_x_create_window()
850         Trace((stderr, "XGetVisualInfo() returned %d 24-bit visuals\n",  in rpng2_x_create_window()
1367     Trace((stderr, "beginning rpng2_x_display_row()\n"))  in rpng2_x_display_row()
1572     Trace((stderr, "beginning rpng2_x_finish_display()\n"))  in rpng2_x_finish_display()
1602     Trace((stderr, "beginning display loop (image_channels == %d)\n",  in rpng2_x_redisplay_image()
1604     Trace((stderr, "   (width = %ld, rowbytes = %d, ximage_rowbytes = %d)\n",  in rpng2_x_redisplay_image()
1606     Trace((stderr, "   (bpp = %d)\n", ximage->bits_per_pixel))  in rpng2_x_redisplay_image()
1607     Trace((stderr, "   (byte_order = %s)\n", ximage->byte_order == MSBFirst?  in rpng2_x_redisplay_image()
1822     Trace((stderr, "calling final XPutImage()\n"))  in rpng2_x_redisplay_image()