Paint_DrawPoint(10, 80, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
    Paint_DrawPoint(10, 90, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
    Paint_DrawPoint(10, 100, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
    Paint_DrawLine(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
    Paint_DrawLine(70, 70, 20, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
    Paint_DrawRectangle(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
    Paint_DrawRectangle(80, 70, 130, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
    Paint_DrawCircle(45, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
    Paint_DrawCircle(105, 95, 20, WHITE, DOT_PIXEL_1X1, DRAW_FILL_FULL);
    Paint_DrawLine(85, 95, 125, 95, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
    Paint_DrawLine(105, 75, 105, 115, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
    Paint_DrawString_EN(10, 0, "waveshare", &Font16, BLACK, WHITE);
    Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK);
    Paint_DrawNum(10, 33, 123456789, &Font12, BLACK, WHITE);
    Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK);
    Paint_DrawString_CN(140, 0, "你好abc", &Font12CN, GRAY1, GRAY4);
    Paint_DrawString_CN(140, 40, "你好abc", &Font12CN, GRAY2, GRAY3);
    Paint_DrawString_CN(140, 80, "你好abc", &Font12CN, GRAY3, GRAY2);
    Paint_DrawString_CN(140, 120, "你好abc", &Font12CN, GRAY4, GRAY1);

    Paint_DrawString_CN(220, 0, "微雪电子", &Font24CN, GRAY1, GRAY4);
    Paint_DrawString_CN(220, 40, "微雪电子", &Font24CN, GRAY2, GRAY3);
    Paint_DrawString_CN(220, 80, "微雪电子", &Font24CN, GRAY3, GRAY2);
    Paint_DrawString_CN(220, 120, "微雪电子", &Font24CN, GRAY4, GRAY1);