程式語言 - uC/GUI - Draw Polygon

參考資訊：
https://github.com/piyushpandey013/ucGUI
https://github.com/yongzhena/ucgui-linux

main.c

#include "GUI.h"
 
int main(int argc, char *argv[])
{
    const GUI_POINT buf[] = { { 0, 0 }, { -30, 30 }, { 30, 30} };
 
    GUI_Init();
    GUI_SetBkColor(GUI_RED);
    GUI_Clear();

    GUI_SetColor(GUI_WHITE);
    GUI_FillPolygon(buf, 3, 100, 100);
    GUI_DrawPolygon(buf, 3, 150, 150);
    GUI_Delay(3000);
    return 0;
}

編譯、執行

$ gcc main.c -o main libucgui.a -IGUI_X -IGUI/Core -IGUI/Widget -IGUI/WM -lSDL
$ ./main