vgSeti(VG_RENDERING_QUALITY, VG_RENDERING_QUALITY_BETTER);
vgSeti(VG_IMAGE_QUALITY, VG_IMAGE_QUALITY_BETTER);
vgSeti(VG_BLEND_MODE, VG_BLEND_SRC_OVER);
vgSeti(VG_SCISSORING, VG_FALSE);
vgSeti(VG_MASKING, VG_FALSE);
vgSetfv(VG_STROKE_DASH_PATTERN, 0, NULL);
col[0] = 1.0f; col[1] = 1.0f; col[2] = 1.0f; col[3] = 1.0f;
vgSetfv(VG_CLEAR_COLOR, 4, col);
vgClear(0, 0, 256, 256);

// create some paths
path0 = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, 1.0f, 0.0f, 0, 0, VG_PATH_CAPABILITY_ALL);
vguLine(path0, 10.0f, 10.0f, 200.0f, 60.0f);
vguLine(path0, 200.0f, 80.0f, 128.0f, 190.0f);
vguLine(path0, 60.0f, 110.0f, 60.0f, 180.0f);
vguLine(path0, 20.0f, 220.0f, 230.0f, 220.0f);

// create and set a paint for fill
strokePaint = vgCreatePaint();
vgSetParameteri(strokePaint, VG_PAINT_TYPE, VG_PAINT_TYPE_COLOR);
col[0] = 0.8f; col[1] = 0.0f; col[2] = 0.1f; col[3] = 0.7f;
vgSetParameterfv(strokePaint, VG_PAINT_COLOR, 4, col);	
vgSetPaint(strokePaint, VG_STROKE_PATH);

// set model view matrix
vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE);		
vgLoadIdentity();

vgSetf(VG_STROKE_LINE_WIDTH, 18.0f);
vgSeti(VG_STROKE_CAP_STYLE, VG_CAP_BUTT);
vgSeti(VG_STROKE_JOIN_STYLE, VG_JOIN_BEVEL);

vgDrawPath(path0, VG_STROKE_PATH);

saveDrawingSurface(f, "draw_vgu_line.png", "Test VGU vguLine function.", 0, 0, 256, 256);
eglSwapBuffers(display, surface);

vgDestroyPath(path0);
vgDestroyPaint(strokePaint);