C++ (Cpp) LCD_HL_DrawHLine Examples

Example #1

File: GUI_DrawHLine.c Project: Liu1992/GasSub_LPC1788

/*********************************************************************
*
*       GUI_DrawHLine
*/
void GUI_DrawHLine(int y0, int x0, int x1) {
  #if (GUI_WINSUPPORT)
    GUI_RECT r;
  #endif
  GUI_LOCK();
  #if (GUI_WINSUPPORT)
    WM_ADDORG(x0,y0);
    WM_ADDORGX(x1);
    r.x0 = x0;
    r.x1 = x1;
    r.y1 = r.y0 = y0;
    WM_ITERATE_START(&r) {
  #endif
  LCD_HL_DrawHLine(x0, y0, x1);
  #if (GUI_WINSUPPORT)
    } WM_ITERATE_END();
  #endif
  GUI_UNLOCK();
}

Example #2

File: guiarc.c Project: rttg125/Intelligent-bedroom-system

static void _DrawArc(int x0, int y0, int rx, int ry, int Angle0, int Angle1, int xMul, int yMul) {
  float afx[4];
  float afy[4];
	float ri = rx-(GUI_Context.PenSize+1.5)/2;
	float ro = rx+(GUI_Context.PenSize+1.5)/2;
  float fAngle0 = Angle0*3.1415926/180;
  float fAngle1 = Angle1*3.1415926/180;
  float sin0 = sin(fAngle0); 
  float sin1 = sin(fAngle1); 
  float cos0 = cos(fAngle0); 
  float cos1 = cos(fAngle1); 
  U32   ri2 = ri*ri;
  U32   ro2 = ro*ro;
	int y, yMax, yMin;
	afy[0] = ri*sin0;
	afy[1] = ro*sin0;
	afy[2] = ri*sin1;
	afy[3] = ro*sin1;
	afx[0] = ri*cos0;
	afx[1] = ro*cos0;
	afx[2] = ri*cos1;
	afx[3] = ro*cos1;
	yMin = ceil(afy[0]);
  yMax = floor(afy[3]);
  /* Use Clipping rect to reduce calculation (if possible) */
  if (GUI_Context.pClipRect_HL) {
    if (yMul ==1) {
      if (yMax > (GUI_Context.pClipRect_HL->y1 -y0))
        yMax = (GUI_Context.pClipRect_HL->y1 -y0);
      if (yMin < (GUI_Context.pClipRect_HL->y0 -y0))
        yMin = (GUI_Context.pClipRect_HL->y0 -y0);
    }
    if (yMul == -1) {
      if (yMin > (GUI_Context.pClipRect_HL->y1 -y0))
        yMin = (GUI_Context.pClipRect_HL->y1 -y0);
      if (yMax < (GUI_Context.pClipRect_HL->y0 -y0))
        yMax = (GUI_Context.pClipRect_HL->y0 -y0);
    }
  }
  /* Start drawing lines ... */
  {
  int xMinDisp, xMaxDisp, xMin=0,xMax=0;
    for (y=yMax; y>=yMin; y--) {
      CalcX(&xMin, y, ri2);
      CalcX(&xMax, y, ro2);
      if ((float)y< afy[1]) {
        xMaxDisp = CalcInterSectLin(y,afy[0], afy[1], afx[0], afx[1]);
			} else {
        xMaxDisp = xMax;			
			}
      if ((float)y > afy[2]) {
        xMinDisp = CalcInterSectLin(y,afy[2], afy[3], afx[2], afx[3]);
			} else {
        xMinDisp = xMin;			
			}
      if (xMul>0)
        LCD_HL_DrawHLine(xMinDisp+x0, yMul*y+y0, xMaxDisp+x0);
      else
        LCD_HL_DrawHLine(-xMaxDisp+x0, yMul*y+y0, -xMinDisp+x0);
    }
	}
#if 0  /* Test code */
{
  int i;
  GUI_SetColor( GUI_WHITE ); 
	for (i=0; i<4; i++)
    LCD_HL_DrawPixel(afx[i]+x0, afy[i]+y0);
}
#endif
  GUI_USE_PARA(ry);
}