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Revision 323

Added by Diogo Miguel Ferreira Rodrigues almost 5 years ago

more stuff

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rectangle.c
8 8 
struct rectangle{
9 9 
    int16_t  x, y;
10 10 
    uint16_t w, h;
11 
    uint32_t outline_color;
11 12 
    uint32_t fill_color;
13 
    int16_t  outline_width;
12 14 
    uint8_t  fill_alpha;
13 
    uint32_t outline_color;
14 
    int16_t  outline_width;
15 15 
};
16 16 

  		




  17
  17
  
    
rectangle_t* (rectangle_ctor)(int16_t x, int16_t y, uint16_t w, uint16_t h){


  		




  ......




  51
  51
  
    

  		




  52
  52
  
    
static void (rectangle_draw_hline)(int16_t x, int16_t y, int16_t l, uint32_t color){


  		




  53
  53
  
    
    if(l < 0){ rectangle_draw_hline(x+l, y, -l, color); return; }


  		




  54
  
  
    
    for(int16_t x_ = max(0,x); x_ < min(x+l,graph_get_XRes()); ++x_){


  		




  55
  
  
    
        graph_set_pixel(x_, y, color);


  		




  
  54
  
    
    for(int16_t x_ = max16(0,x); x_ < min16(x+l,(int16_t)graph_get_XRes()); ++x_){


  		




  
  55
  
    
        graph_set_pixel((uint16_t)x_, (uint16_t)y, color);


  		




  56
  56
  
    
    }


  		




  57
  57
  
    
}


  		




  58
  58
  
    
static void (rectangle_draw_vline)(int16_t x, int16_t y, int16_t l, uint32_t color){


  		




  59
  59
  
    
    if(l < 0){ rectangle_draw_vline(x, y+l, -l, color); return; }


  		




  60
  
  
    
    for(int16_t y_ = max(0,y); y_ < min(y+l,graph_get_YRes()); ++y_){


  		




  61
  
  
    
        graph_set_pixel(x, y_, color);


  		




  
  60
  
    
    for(int16_t y_ = max16(0,y); y_ < min16(y+l,(int16_t)graph_get_YRes()); ++y_){


  		




  
  61
  
    
        graph_set_pixel((uint16_t)x, (uint16_t)y_, color);


  		




  62
  62
  
    
    }


  		




  63
  63
  
    
}


  		




  64
  64
  
    

  		




  65
  65
  
    
void (rectangle_draw)(const rectangle_t *p){


  		




  66
  66
  
    
    /// fill


  		




  67
  67
  
    
    if(p->fill_alpha > ALPHA_THRESHOLD)


  		




  68
  
  
    
        for(int16_t y = max(p->y,0); y < min(p->y+p->h, graph_get_YRes()); ++y)


  		




  69
  
  
    
            rectangle_draw_hline(p->x, y, p->w, p->fill_color);


  		




  
  68
  
    
        for(int16_t y = max16(p->y,0); y < min16(p->y+p->h, (int16_t)graph_get_YRes()); ++y)


  		




  
  69
  
    
            rectangle_draw_hline(p->x, y, (int16_t)p->w, p->fill_color);


  		




  70
  70
  
    
    /// border


  		




  71
  71
  
    
    int16_t step = (p->outline_width > 0 ? 1 : -1);


  		




  72
  72
  
    
    int16_t l = p->x, r = p->x+p->w, t = p->y, b = p->y+p->h;


  		












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