1 /**

     2  * test/demos/pmc/rectangle.cc

     3  * Copyright (C) 2008 Markus Broeker

     4  */

     5 

     6 #include <rectangle.h>

     7 #include <cstdio>

     8 

     9 Rectangle::Rectangle (Surface * s)

    10 {

    11     P[0] = new Vector (0, 0);

    12     P[1] = new Vector (0, 100);

    13     P[2] = new Vector (100, 100);

    14     P[3] = new Vector (0, 100);

    15 

    16     anker = Vector (0, 0);

    17 

    18     surface = s;

    19 }

    20 

    21 Rectangle::Rectangle (Surface * s, Vector p1, Vector p2, Vector p3, Vector p4)

    22 {

    23     P[0] = new Vector (p1);

    24     P[1] = new Vector (p2);

    25     P[2] = new Vector (p3);

    26     P[3] = new Vector (p4);

    27 

    28     anker = Vector (0, 0);

    29 

    30     surface = s;

    31 }

    32 

    33 Rectangle::~Rectangle ()

    34 {

    35     for (int i = 0; i < 4; i++) {

    36 #ifdef DEBUG

    37         fprintf (stderr, "Removing P[%d]: ", i);

    38 #endif

    39         delete P[i];

    40     }

    41 }

    42 

    43 void Rectangle::move (Vector location)

    44 {

    45     if ((anker.X () + location.X ()) < 0)

    46         return;

    47     if ((anker.Y () + location.Y ()) < 0)

    48         return;

    49 

    50     if ((anker.X () + location.X ()) >= surface->getWidth ())

    51         return;

    52     if ((anker.Y () + location.Y ()) >= surface->getHeight ())

    53         return;

    54 

    55     for (int i = 0; i < 4; i++) {

    56         *P[i] = *P[i] + location;

    57     }

    58 

    59     anker = Vector (P[0]->X (), P[0]->Y ());

    60 }

    61 

    62 void Rectangle::show ()

    63 {

    64     int i;

    65 

    66     for (i = 0; i < 4; i++) {

    67         fprintf (stderr, "[%d] ", i);

    68         P[i]->vector ();

    69         if ((i + 1) % 4 != 0)

    70             fprintf (stderr, ", ");

    71         else

    72             fprintf (stderr, "\n");

    73     }

    74 

    75     surface->drawLine (P[0]->X (), P[0]->Y (), P[1]->X (), P[1]->Y ());

    76     surface->drawLine (P[3]->X (), P[3]->Y (), P[2]->X (), P[2]->Y ());

    77 

    78     surface->drawLine (P[2]->X (), P[2]->Y (), P[1]->X (), P[1]->Y ());

    79     surface->drawLine (P[3]->X (), P[3]->Y (), P[0]->X (), P[0]->Y ());

    80 }