gui_invertrect.c

来自「uCGUI」· C语言 代码 · 共 37 行

/*************************************************************************************************************
                                                   uC/GUI
                                               嵌入式通用图形软件
File        : GUI_InvertRect.C
Purpose     : Implementation file for GUI_InvertRect
************************************************************************************************************/
#include "GUI_Protected.H"

void GUI_InvertRect(int x0, int y0, int x1, int y1) 
{
  GUI_DRAWMODE PrevDraw;
  #if (GUI_WINSUPPORT)
    GUI_RECT r;
  #endif
  GUI_LOCK();
  PrevDraw = GUI_SetDrawMode(GUI_DRAWMODE_XOR);
  #if (GUI_WINSUPPORT)
    WM_ADDORG(x0,y0);
    WM_ADDORG(x1,y1);
    r.x0 = x0; r.x1 = x1;
    r.y0 = y0; r.y1 = y1;
    WM_ITERATE_START(&r); 
    {
  #endif
  LCD_FillRect(x0,y0,x1,y1);
  #if (GUI_WINSUPPORT)
    } WM_ITERATE_END();
  #endif
  GUI_SetDrawMode(PrevDraw);
  GUI_UNLOCK();
}