1 | /****************************************************************************
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2 | **
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3 | ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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4 | ** All rights reserved.
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5 | ** Contact: Nokia Corporation ([email protected])
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6 | **
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7 | ** This file is part of the examples of the Qt Toolkit.
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8 | **
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9 | ** $QT_BEGIN_LICENSE:BSD$
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10 | ** You may use this file under the terms of the BSD license as follows:
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11 | **
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12 | ** "Redistribution and use in source and binary forms, with or without
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13 | ** modification, are permitted provided that the following conditions are
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14 | ** met:
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15 | ** * Redistributions of source code must retain the above copyright
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16 | ** notice, this list of conditions and the following disclaimer.
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17 | ** * Redistributions in binary form must reproduce the above copyright
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18 | ** notice, this list of conditions and the following disclaimer in
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19 | ** the documentation and/or other materials provided with the
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20 | ** distribution.
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21 | ** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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22 | ** the names of its contributors may be used to endorse or promote
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23 | ** products derived from this software without specific prior written
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24 | ** permission.
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25 | **
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26 | ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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27 | ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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28 | ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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29 | ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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30 | ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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31 | ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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32 | ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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33 | ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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34 | ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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35 | ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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36 | ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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37 | ** $QT_END_LICENSE$
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38 | **
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39 | ****************************************************************************/
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40 |
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41 | #include "tetrixboard.h"
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42 |
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43 | #include <QtGui>
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44 |
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45 | Q_DECLARE_METATYPE(QPainter*)
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46 |
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47 | TetrixBoard::TetrixBoard(QWidget *parent)
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48 | : QFrame(parent)
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49 | {
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50 | timer = new QTimer(this);
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51 | qMetaTypeId<QPainter*>();
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52 | }
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53 |
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54 | void TetrixBoard::setNextPieceLabel(QWidget *label)
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55 | {
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56 | nextPieceLbl = qobject_cast<QLabel*>(label);
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57 | }
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58 |
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59 | QLabel *TetrixBoard::nextPieceLabel() const
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60 | {
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61 | return nextPieceLbl;
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62 | }
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63 |
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64 | QObject *TetrixBoard::getTimer()
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65 | {
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66 | return timer;
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67 | }
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68 |
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69 | QSize TetrixBoard::minimumSizeHint() const
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70 | {
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71 | return QSize(BoardWidth * 5 + frameWidth() * 2,
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72 | BoardHeight * 5 + frameWidth() * 2);
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73 | }
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74 |
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75 | void TetrixBoard::paintEvent(QPaintEvent *event)
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76 | {
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77 | QFrame::paintEvent(event);
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78 | QPainter painter(this);
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79 | painter.drawImage(0, 0, image);
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80 | }
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81 |
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82 | void TetrixBoard::keyPressEvent(QKeyEvent *event)
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83 | {
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84 | emit keyPressed(event->key());
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85 | }
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86 |
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87 | void TetrixBoard::showNextPiece(int width, int height)
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88 | {
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89 | if (!nextPieceLabel())
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90 | return;
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91 |
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92 | QPixmap pixmap(width * squareWidth(), height * squareHeight());
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93 | QPainter painter(&pixmap);
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94 | painter.fillRect(pixmap.rect(), nextPieceLabel()->palette().background());
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95 |
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96 | emit paintNextPieceRequested(&painter);
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97 |
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98 | nextPieceLabel()->setPixmap(pixmap);
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99 | }
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100 |
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101 | void TetrixBoard::drawPauseScreen(QPainter *painter)
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102 | {
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103 | painter->drawText(contentsRect(), Qt::AlignCenter, tr("Pause"));
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104 | }
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105 |
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106 | void TetrixBoard::drawSquare(QPainter *painter, int x, int y, int shape)
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107 | {
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108 | static const QRgb colorTable[8] = {
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109 | 0x000000, 0xCC6666, 0x66CC66, 0x6666CC,
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110 | 0xCCCC66, 0xCC66CC, 0x66CCCC, 0xDAAA00
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111 | };
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112 |
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113 | x = x*squareWidth();
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114 | y = y*squareHeight();
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115 |
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116 | QColor color = colorTable[shape];
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117 | painter->fillRect(x + 1, y + 1, squareWidth() - 2, squareHeight() - 2,
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118 | color);
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119 |
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120 | painter->setPen(color.light());
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121 | painter->drawLine(x, y + squareHeight() - 1, x, y);
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122 | painter->drawLine(x, y, x + squareWidth() - 1, y);
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123 |
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124 | painter->setPen(color.dark());
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125 | painter->drawLine(x + 1, y + squareHeight() - 1,
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126 | x + squareWidth() - 1, y + squareHeight() - 1);
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127 | painter->drawLine(x + squareWidth() - 1, y + squareHeight() - 1,
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128 | x + squareWidth() - 1, y + 1);
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129 | }
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130 |
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131 | void TetrixBoard::update()
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132 | {
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133 | QRect rect = contentsRect();
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134 | if (image.size() != rect.size())
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135 | image = QImage(rect.size(), QImage::Format_ARGB32_Premultiplied);
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136 | image.fill(qRgba(0,0,0,0));
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137 | QPainter painter;
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138 | painter.begin(&image);
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139 | int boardTop = rect.bottom() - BoardHeight*squareHeight();
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140 | painter.translate(rect.left(), boardTop);
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141 | emit paintRequested(&painter);
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142 | QFrame::update();
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143 | }
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