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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: cambmiconengine.cpp |
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15 * |
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16 */ |
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17 |
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18 #include <QPainter> |
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19 #include <QPixmap> |
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20 #include <QFileInfo> |
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21 #include <QDebug> |
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22 |
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23 #include <AknIconUtils.h> // avkon |
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24 #include <apgicnfl.h> // fbsbitmap |
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25 |
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26 #include "cambmiconengine.h" |
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27 |
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28 const int cacheSize = 4; |
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29 |
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30 inline QString CaMbmIconEngine::pmcKey(const QSize &size) |
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31 { |
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32 return QString::number((size.width()<<11)|size.height(), 16); |
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33 } |
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34 |
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35 CaMbmIconEngine::CaMbmIconEngine() |
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36 : QIconEngineV2(), |
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37 mMbmFilename(), |
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38 mCache(cacheSize), |
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39 mBitmapCached(0), |
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40 mMaskBitmapCached(0) |
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41 { |
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42 } |
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43 |
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44 CaMbmIconEngine::CaMbmIconEngine(const CaMbmIconEngine &other) : |
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45 QIconEngineV2(other), |
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46 mMbmFilename(other.mMbmFilename), |
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47 mCache(cacheSize), |
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48 mBitmapCached(0), |
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49 mMaskBitmapCached(0) |
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50 { |
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51 } |
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52 |
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53 CaMbmIconEngine::~CaMbmIconEngine() |
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54 { |
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55 mCache.clear(); |
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56 delete mBitmapCached; |
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57 delete mMaskBitmapCached; |
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58 } |
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59 |
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60 void CaMbmIconEngine::cacheBitmapL() |
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61 { |
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62 CFbsBitmap *bitmap(0); |
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63 CFbsBitmap *maskBitmap(0); |
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64 |
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65 TInt bitmapIndex = 0; |
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66 TInt maskIndex = 1; |
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67 TPtrC16 filename( |
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68 reinterpret_cast<const TUint16*>(mMbmFilename.utf16())); |
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69 AknIconUtils::CreateIconLC( bitmap, maskBitmap, filename, |
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70 bitmapIndex, maskIndex ); |
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71 mBitmapCached = bitmap; |
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72 mMaskBitmapCached = maskBitmap; |
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73 // bitmap and icon, AknsUtils::CreateIconLC doesn't specify the order |
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74 CleanupStack::Pop(2); |
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75 } |
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76 void CaMbmIconEngine::getPixmapFromBitmap(const QSize &size, QPixmap& pixmap) |
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77 { |
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78 if (!mBitmapCached || !mMaskBitmapCached) { |
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79 TRAP_IGNORE(cacheBitmapL()); |
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80 } |
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81 if (mBitmapCached && mMaskBitmapCached) { |
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82 CFbsBitmap *bitmap = mBitmapCached; |
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83 CFbsBitmap *maskBitmap = mMaskBitmapCached; |
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84 |
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85 pixmap = pixmap.fromSymbianCFbsBitmap(bitmap); |
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86 QPixmap mask; |
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87 mask = mask.fromSymbianCFbsBitmap(maskBitmap); |
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88 pixmap.setAlphaChannel(mask); |
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89 pixmap = pixmap.scaled(size, Qt::KeepAspectRatioByExpanding); |
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90 } |
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91 } |
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92 |
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93 QSize CaMbmIconEngine::actualSize(const QSize &size, |
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94 QIcon::Mode mode, |
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95 QIcon::State state) |
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96 { |
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97 Q_UNUSED(mode); |
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98 Q_UNUSED(state); |
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99 QString key(pmcKey(size)); |
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100 qDebug() << "pmckey: " << key; |
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101 QSize realSize; |
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102 |
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103 if (mCache.contains(key)) { |
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104 realSize = size; |
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105 } else { |
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106 QPixmap pixmap; |
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107 TPtrC16 filename( |
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108 reinterpret_cast<const TUint16*>(mMbmFilename.utf16())); |
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109 getPixmapFromBitmap(size, pixmap); |
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110 if (!pixmap.isNull()) { |
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111 QPixmap *cachedPixmap = new QPixmap(pixmap); |
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112 if (mCache.insert(key, cachedPixmap)) { |
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113 realSize = size; |
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114 // mCache has taken ownership of cachedPixmap. |
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115 qDebug() << "pmckey INSERT"; |
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116 } |
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117 } |
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118 } |
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119 return realSize; |
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120 } |
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121 |
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122 QPixmap CaMbmIconEngine::pixmap(const QSize &size, |
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123 QIcon::Mode mode, |
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124 QIcon::State state) |
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125 { |
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126 Q_UNUSED(mode); |
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127 Q_UNUSED(state); |
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128 QPixmap pixmap; |
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129 actualSize(size, mode, state); |
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130 QString key = pmcKey(size); |
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131 if (mCache.contains(key)) { |
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132 pixmap = *mCache[key]; |
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133 } |
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134 return pixmap; |
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135 } |
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136 |
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137 void CaMbmIconEngine::addPixmap(const QPixmap &pixmap, |
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138 QIcon::Mode mode, |
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139 QIcon::State state) |
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140 { |
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141 Q_UNUSED(pixmap); |
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142 Q_UNUSED(mode); |
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143 Q_UNUSED(state); |
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144 } |
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145 |
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146 void CaMbmIconEngine::addFile(const QString &fileName, |
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147 const QSize &size, |
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148 QIcon::Mode mode, |
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149 QIcon::State state) |
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150 { |
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151 Q_UNUSED(size); |
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152 Q_UNUSED(mode); |
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153 Q_UNUSED(state); |
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154 if (mMbmFilename.isEmpty() && !fileName.isEmpty()) { |
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155 |
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156 QString abs = fileName; |
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157 if (fileName.at(0) != QLatin1Char(':')) { |
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158 abs = QFileInfo(fileName).absoluteFilePath(); |
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159 } |
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160 if (abs.endsWith(QLatin1String(".mbm"), Qt::CaseInsensitive)) |
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161 { |
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162 mMbmFilename = abs; |
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163 mMbmFilename.replace('/', '\\'); |
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164 TRAP_IGNORE(cacheBitmapL()); |
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165 } |
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166 } |
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167 } |
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168 |
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169 void CaMbmIconEngine::paint(QPainter *painter, const QRect &rect, |
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170 QIcon::Mode mode, QIcon::State state) |
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171 { |
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172 painter->drawPixmap(rect, pixmap(rect.size(), mode, state)); |
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173 } |
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174 |
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175 QString CaMbmIconEngine::key() const |
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176 { |
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177 return QLatin1String("mbm"); |
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178 } |
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179 |
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180 QIconEngineV2 *CaMbmIconEngine::clone() const |
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181 { |
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182 return new CaMbmIconEngine(*this); |
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183 } |
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184 |
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185 |
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186 |