vxworks中如何使用UGL实现封闭图形的填充

#include 
void uglTest ()    {    #define WIDTH 32    #define HIGHT 32    UINT8 patternData[WIDTH*HIGHT/__SIZEOF_INT__] =         {        0x00,0x0f,0xf0,0x00,        0x00,0x7f,0xfe,0x00,        0x01,0xff,0xff,0x80,        0x03,0xff,0xff,0xc0,        0x07,0xff,0xff,0xe0,        0x0f,0xff,0xff,0xf0,        0x1f,0xff,0xff,0xf8,        0x3f,0xff,0xff,0xfc,        0x3f,0x8f,0xf1,0xfc,        0x7f,0x07,0xe0,0xfe,        0x7f,0x07,0xe0,0xfe,        0x7f,0x07,0xe0,0xfe,        0xff,0x8f,0xf1,0xff,        0xff,0xff,0xff,0xff,        0xff,0xff,0xff,0xff,        0xff,0xff,0xff,0xff,        0xff,0xff,0xff,0xff,        0xff,0xff,0xff,0xff,        0xff,0xff,0xff,0xff,        0xf9,0xff,0xff,0x9f,        0x79,0xff,0xff,0x9e,        0x78,0xff,0xff,0x1e,        0x7c,0xff,0xff,0x3e,        0x3c,0x7f,0xfe,0x3c,        0x3e,0x1f,0xf8,0x7c,        0x1f,0x03,0xe0,0xf8,        0x0f,0xc0,0x03,0xf0,        0x07,0xf8,0x1f,0xe0,        0x03,0xff,0xff,0xc0,        0x01,0xff,0xff,0x80,        0x00,0x7f,0xfe,0x00,        0x00,0x0f,0xf0,0x00         };    UGL_REG_DATA *pRegData;    UGL_GC_ID     gc;    UGL_MDDB_ID   patternDdb;    UGL_MDIB      patternDib = {WIDTH, HIGHT, WIDTH, patternData};
    uglDisplayOpen(0, 0, 0);     pRegData = uglRegistryFind (UGL_DISPLAY_TYPE, 0, 0, 0);    gc = uglGcCreate((UGL_DEVICE_ID)pRegData->id);
    patternDdb = uglMonoBitmapCreate((UGL_DEVICE_ID)pRegData->id, &patternDib,                                       UGL_DIB_INIT_DATA, 0, UGL_NULL);    uglFillPatternSet(gc, patternDdb);
    uglForegroundColorSet(gc, 0xff0000);    uglBackgroundColorSet(gc, 0x00ff00);    uglEllipse(gc, 10, 10, 200, 300, 0, 0, 0, 0);    uglRectangle(gc, 250, 10, 350, 300);    return;    }