1 | /* |
2 | Copyright 2006 Mauricio Piacentini <mauricio@tabuleiro.com> |
3 | begin : Oct 31 2006 |
4 | |
5 | Kmahjongg is free software; you can redistribute it and/or modify |
6 | it under the terms of the GNU General Public License as published by |
7 | the Free Software Foundation; either version 2 of the License, or |
8 | (at your option) any later version. |
9 | |
10 | This program is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 | GNU General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU General Public License |
16 | along with this program; if not, write to the Free Software |
17 | Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
18 | */ |
19 | |
20 | #include "TileSprite.h" |
21 | #include <QPixmap> |
22 | #include <QTimer> |
23 | |
24 | TileSprite::TileSprite( KGameCanvasAbstract* canvas, QPixmap & backunselected, QPixmap & backselected, QPixmap & face, TileViewAngle angle, bool selected ) |
25 | : QObject(), KGameCanvasItem(canvas) |
26 | { |
27 | m_dying = false; |
28 | setOpacity(255); |
29 | m_backselected = backselected; |
30 | m_backunselected = backunselected; |
31 | m_face = face; |
32 | m_selected = selected; |
33 | m_angle = angle; |
34 | m_woffset = m_backselected.width() - m_face.width(); |
35 | m_hoffset = m_backselected.height() - m_face.height(); |
36 | updateOffset(); |
37 | } |
38 | |
39 | TileSprite::~TileSprite() |
40 | { |
41 | } |
42 | |
43 | void TileSprite::setAngle(TileViewAngle angle, QPixmap & backunselected, QPixmap & backselected) { |
44 | m_angle = angle; |
45 | m_backselected = backselected; |
46 | m_backunselected = backunselected; |
47 | updateOffset(); |
48 | //changed(); We need to call updateSpriteMap to relayer anyway |
49 | } |
50 | |
51 | void TileSprite::updateOffset() { |
52 | switch( m_angle ) |
53 | { |
54 | case NW: |
55 | m_faceoffset = QPoint(m_woffset,0); |
56 | break; |
57 | case NE: |
58 | m_faceoffset = QPoint(0,0); |
59 | break; |
60 | case SE: |
61 | m_faceoffset = QPoint(0,m_hoffset); |
62 | break; |
63 | case SW: |
64 | m_faceoffset = QPoint(m_woffset,m_hoffset); |
65 | break; |
66 | } |
67 | } |
68 | |
69 | void TileSprite::paintInternal(QPainter* p, const QRect& /*prect*/, |
70 | const QRegion& /*preg*/, const QPoint& /*delta*/, double cumulative_opacity) { |
71 | int op = int(cumulative_opacity*opacity() + 0.5); |
72 | |
73 | if(op <= 0) |
74 | return; |
75 | |
76 | if(op < 255) |
77 | p->setOpacity( op/255.0 ); |
78 | paint(p); |
79 | if(op < 255) |
80 | p->setOpacity(1.0); |
81 | } |
82 | |
83 | void TileSprite::paint(QPainter* p) { |
84 | if (m_selected) { |
85 | p->drawPixmap(pos(), m_backselected); |
86 | p->drawPixmap(pos()+m_faceoffset, m_face); |
87 | } else { |
88 | p->drawPixmap(pos(), m_backunselected); |
89 | p->drawPixmap(pos()+m_faceoffset, m_face); |
90 | } |
91 | } |
92 | |
93 | void TileSprite::fadeOut() { |
94 | m_dying = true; |
95 | setOpacity(opacity()-25); |
96 | if (opacity() <= 0) { |
97 | //cancel fade and schedule our destruction! |
98 | deleteLater(); |
99 | return; |
100 | } |
101 | //keep fading |
102 | QTimer::singleShot(40, this, SLOT(fadeOut())); |
103 | } |
104 | |
105 | void TileSprite::fadeIn() { |
106 | if (m_dying) return; |
107 | setOpacity(opacity()+25); |
108 | if ((opacity() == 255)||(m_dying)) { |
109 | //cancel fade in |
110 | return; |
111 | } |
112 | //keep fading |
113 | QTimer::singleShot(40, this, SLOT(fadeIn())); |
114 | } |
115 | |
116 | QRect TileSprite::rect() const { |
117 | return QRect(pos(), m_backselected.size()); |
118 | } |
119 | |
120 | #include "TileSprite.moc" |
121 | |