1//
2// KBlackbox
3//
4// A simple game inspired by an emacs module
5//
6/***************************************************************************
7 * Copyright (c) 1999-2000, Robert Cimrman *
8 * cimrman3@students.zcu.cz *
9 * *
10 * Copyright (c) 2007, Nicolas Roffet *
11 * nicolas-kde@roffet.com *
12 * *
13 * *
14 * This program is free software; you can redistribute it and/or modify *
15 * it under the terms of the GNU General Public License as published by *
16 * the Free Software Foundation; either version 2 of the License, or *
17 * (at your option) any later version. *
18 * *
19 * This program is distributed in the hope that it will be useful, *
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
22 * GNU General Public License for more details. *
23 * *
24 * You should have received a copy of the GNU General Public License *
25 * along with this program; if not, write to the *
26 * Free Software Foundation, Inc., *
27 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA *
28 ***************************************************************************/
29
30#include "kbbgraphicsitemborder.h"
31
32
33
34#include "kbbscalablegraphicwidget.h"
35
36
37
38//
39// Constructor / Destructor
40//
41
42KBBGraphicsItemBorder::KBBGraphicsItemBorder(int borderPosition, int columns, int rows, float offset)
43{
44 m_offset = offset;
45
46 setSize(borderPosition, columns, rows);
47}
48
49
50
51//
52// Public
53//
54
55void KBBGraphicsItemBorder::setSize(int borderPosition, int columns, int rows)
56{
57 m_borderPosition = borderPosition;
58 m_columns = columns;
59 m_rows = rows;
60
61 centerCoordinate(m_borderPosition, m_centerX, m_centerY, m_offset);
62}
63
64
65
66//
67// Protected
68//
69
70void KBBGraphicsItemBorder::setBorderPosition(int borderPosition)
71{
72 setSize(borderPosition, m_columns, m_rows);
73}
74
75
76void KBBGraphicsItemBorder::centerCoordinate(int borderPosition, float &centerX, float &centerY, float offset)
77{
78 const float b = (float) KBBScalableGraphicWidget::BORDER_SIZE;
79 const float r = (float) KBBScalableGraphicWidget::RATIO;
80 float x;
81 float y;
82 if (borderPosition<m_columns) {
83 x = borderPosition*r + b;
84 y = offset;
85 } else if (borderPosition<m_columns + m_rows) {
86 x = m_columns*r + b + b/2 - offset;
87 y = (borderPosition - m_columns)*r + b;
88 } else if (borderPosition<2*m_columns + m_rows) {
89 x = (2*m_columns + m_rows - borderPosition)*r + b/2;
90 y = m_rows*r + 3*b/2 - offset;
91 } else {
92 x = offset;
93 y = (2*m_columns + 2*m_rows - borderPosition)*r + b/2;
94 }
95
96 centerX = x + r/2;
97 centerY = y + r/2;
98}
99
100
101float KBBGraphicsItemBorder::centerX() const
102{
103 return m_centerX;
104}
105
106
107float KBBGraphicsItemBorder::centerY() const
108{
109 return m_centerY;
110}
111
112
113int KBBGraphicsItemBorder::rotationAngle()
114{
115 if (m_borderPosition<m_columns) {
116 return 0;
117 } else if (m_borderPosition<m_columns + m_rows) {
118 return 90;
119 } else if (m_borderPosition<2*m_columns + m_rows) {
120 return 180;
121 } else {
122 return 270;
123 }
124}
125