C++ (Cpp) POLY_X Examples

Example #1

File: stm324xg_eval_lcd.c Project: PaulingZhou/RM2016_0X3_SystemBoard

/**
  * @brief  Draws a full poly-line (between many points).
  * @param  Points: Pointer to the points array
  * @param  PointCount: Number of points
  * @retval None
  */
void BSP_LCD_FillPolygon(pPoint Points, uint16_t PointCount)
{
  
  int16_t X = 0, Y = 0, X2 = 0, Y2 = 0, X_center = 0, Y_center = 0, X_first = 0, Y_first = 0, pixelX = 0, pixelY = 0, counter = 0;
  uint16_t  IMAGE_LEFT = 0, IMAGE_RIGHT = 0, IMAGE_TOP = 0, IMAGE_BOTTOM = 0;  
  
  IMAGE_LEFT = IMAGE_RIGHT = Points->X;
  IMAGE_TOP= IMAGE_BOTTOM = Points->Y;
  
  for(counter = 1; counter < PointCount; counter++)
  {
    pixelX = POLY_X(counter);
    if(pixelX < IMAGE_LEFT)
    {
      IMAGE_LEFT = pixelX;
    }
    if(pixelX > IMAGE_RIGHT)
    {
      IMAGE_RIGHT = pixelX;
    }
    
    pixelY = POLY_Y(counter);
    if(pixelY < IMAGE_TOP)
    { 
      IMAGE_TOP = pixelY;
    }
    if(pixelY > IMAGE_BOTTOM)
    {
      IMAGE_BOTTOM = pixelY;
    }
  }  
  
  if(PointCount < 2)
  {
    return;
  }
  
  X_center = (IMAGE_LEFT + IMAGE_RIGHT)/2;
  Y_center = (IMAGE_BOTTOM + IMAGE_TOP)/2;
  
  X_first = Points->X;
  Y_first = Points->Y;
  
  while(--PointCount)
  {
    X = Points->X;
    Y = Points->Y;
    Points++;
    X2 = Points->X;
    Y2 = Points->Y;    
    
    FillTriangle(X, X2, X_center, Y, Y2, Y_center);
    FillTriangle(X, X_center, X2, Y, Y_center, Y2);
    FillTriangle(X_center, X2, X, Y_center, Y2, Y);   
  }
  
  FillTriangle(X_first, X2, X_center, Y_first, Y2, Y_center);
  FillTriangle(X_first, X_center, X2, Y_first, Y_center, Y2);
  FillTriangle(X_center, X2, X_first, Y_center, Y2, Y_first);   
}

Example #2

File: stm32f429i_discovery_lcd.c Project: mnowell129/GliderScaleSystemWorkbench

/**
  * @brief  Displays a full poly-line (between many points).
  * @param  Points: pointer to the points array
  * @param  PointCount: Number of points
  */
void BSP_LCD_FillPolygon(pPoint Points, uint16_t PointCount)
{
  
  int16_t x = 0, y = 0, x2 = 0, y2 = 0, xcenter = 0, ycenter = 0, xfirst = 0, yfirst = 0, pixelx = 0, pixely = 0, counter = 0;
  uint16_t  imageleft = 0, imageright = 0, imagetop = 0, imagebottom = 0;  

  imageleft = imageright = Points->X;
  imagetop= imagebottom = Points->Y;

  for(counter = 1; counter < PointCount; counter++)
  {
    pixelx = POLY_X(counter);
    if(pixelx < imageleft)
    {
      imageleft = pixelx;
    }
    if(pixelx > imageright)
    {
      imageright = pixelx;
    }

    pixely = POLY_Y(counter);
    if(pixely < imagetop)
    { 
      imagetop = pixely;
    }
    if(pixely > imagebottom)
    {
      imagebottom = pixely;
    }
  }  

  if(PointCount < 2)
  {
    return;
  }

  xcenter = (imageleft + imageright)/2;
  ycenter = (imagebottom + imagetop)/2;
 
  xfirst = Points->X;
  yfirst = Points->Y;

  while(--PointCount)
  {
    x = Points->X;
    y = Points->Y;
    Points++;
    x2 = Points->X;
    y2 = Points->Y;    
  
    BSP_LCD_FillTriangle(x, x2, xcenter, y, y2, ycenter);
    BSP_LCD_FillTriangle(x, xcenter, x2, y, ycenter, y2);
    BSP_LCD_FillTriangle(xcenter, x2, x, ycenter, y2, y);   
  }
  
  BSP_LCD_FillTriangle(xfirst, x2, xcenter, yfirst, y2, ycenter);
  BSP_LCD_FillTriangle(xfirst, xcenter, x2, yfirst, ycenter, y2);
  BSP_LCD_FillTriangle(xcenter, x2, xfirst, ycenter, y2, yfirst);   
}

Example #3

File: stm32746g_discovery_lcd.c Project: picohari/intewa_stm32f7

/**
  * @brief  Draws a full poly-line (between many points).
  * @param  Points: Pointer to the points array
  * @param  PointCount: Number of points
  * @retval None
  */
void BSP_LCD_FillPolygon(pPoint Points, uint16_t PointCount)
{
  int16_t X = 0, Y = 0, X2 = 0, Y2 = 0, X_center = 0, Y_center = 0, X_first = 0, Y_first = 0, pixelX = 0, pixelY = 0, counter = 0;
  uint16_t  image_left = 0, image_right = 0, image_top = 0, image_bottom = 0;
  
  image_left = image_right = Points->X;
  image_top= image_bottom = Points->Y;
  
  for(counter = 1; counter < PointCount; counter++)
  {
    pixelX = POLY_X(counter);
    if(pixelX < image_left)
    {
      image_left = pixelX;
    }
    if(pixelX > image_right)
    {
      image_right = pixelX;
    }
    
    pixelY = POLY_Y(counter);
    if(pixelY < image_top)
    { 
      image_top = pixelY;
    }
    if(pixelY > image_bottom)
    {
      image_bottom = pixelY;
    }
  }  
  
  if(PointCount < 2)
  {
    return;
  }
  
  X_center = (image_left + image_right)/2;
  Y_center = (image_bottom + image_top)/2;
  
  X_first = Points->X;
  Y_first = Points->Y;
  
  while(--PointCount)
  {
    X = Points->X;
    Y = Points->Y;
    Points++;
    X2 = Points->X;
    Y2 = Points->Y;    
    
    FillTriangle(X, X2, X_center, Y, Y2, Y_center);
    FillTriangle(X, X_center, X2, Y, Y_center, Y2);
    FillTriangle(X_center, X2, X, Y_center, Y2, Y);   
  }
  
  FillTriangle(X_first, X2, X_center, Y_first, Y2, Y_center);
  FillTriangle(X_first, X_center, X2, Y_first, Y_center, Y2);
  FillTriangle(X_center, X2, X_first, Y_center, Y2, Y_first);   
}