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: |
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15 * |
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16 */ |
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17 |
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18 // INCLUDE FILES |
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19 |
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20 #include "HgVgLabel.h" |
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21 #include "HgVgHelper.h" |
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22 #include "HgVgDrawBuffer.h" |
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23 #include "HgDrawUtils.h" |
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24 |
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25 #include <ganes.mbg> |
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26 #include <AknIconUtils.h> |
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27 #include <avkon.mbg> |
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28 #include <AknsDrawUtils.h> |
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29 #include <touchfeedback.h> |
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30 #include <gulicon.h> |
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31 #include <AknUtils.h> |
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32 #include <layoutmetadata.cdl.h> |
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33 #include <AknLayout2ScalableDef.h> |
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34 #include <e32math.h> |
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35 #include <gulcolor.h> |
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36 |
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37 #include <AknsDrawUtils.h> |
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38 |
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39 |
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40 // ============================ MEMBER FUNCTIONS =============================== |
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41 // ----------------------------------------------------------------------------- |
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42 // CHgVgTitleRenderer::NewL() |
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43 // Two-phased constructor. |
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44 // ----------------------------------------------------------------------------- |
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45 // |
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46 CHgVgLabel* CHgVgLabel::NewL(const TRect& aRect, const CFont* aFont, const TDesC& aText) |
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47 { |
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48 CHgVgLabel* self = new ( ELeave ) CHgVgLabel(aRect, aFont); |
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49 CleanupStack::PushL (self ); |
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50 self->ConstructL(aText); |
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51 CleanupStack::Pop ( self ); |
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52 return self; |
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53 } |
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54 |
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55 // ----------------------------------------------------------------------------- |
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56 // CHgVgTitleRenderer::ConstructL() |
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57 // Symbian 2nd phase constructor can leave. |
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58 // ----------------------------------------------------------------------------- |
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59 // |
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60 void CHgVgLabel::ConstructL (const TDesC& aText) |
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61 { |
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62 iText = aText.AllocL(); |
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63 |
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64 iTextRenderer = CHgVgDrawBuffer::NewL(iRect.Size(), EGray2); |
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65 |
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66 iTextImage = vgCreateImage(VG_A_1, |
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67 iRect.Width(), iRect.Height(), |
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68 VG_IMAGE_QUALITY_NONANTIALIASED); |
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69 |
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70 if (iTextImage == VG_INVALID_HANDLE) |
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71 { |
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72 User::Leave(KErrNoMemory); |
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73 } |
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74 |
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75 // get text color from skin |
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76 if ( AknsUtils::AvkonSkinEnabled() ) |
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77 { |
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78 // this does not modify color unless it gets a correct one |
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79 // no real need to check errors |
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80 AknsUtils::GetCachedColor( |
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81 AknsUtils::SkinInstance(), |
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82 iTextColor, |
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83 KAknsIIDQsnTextColors, |
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84 EAknsCIQsnTextColorsCG6 ); |
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85 } |
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86 |
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87 if (iTextColor.Red() < 128) |
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88 { |
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89 iShadowColor = KRgbWhite; |
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90 } |
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91 else |
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92 { |
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93 iShadowColor = KRgbBlack; |
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94 } |
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95 |
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96 } |
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97 |
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98 // ----------------------------------------------------------------------------- |
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99 // CHgVgTitleRenderer::CHgVgTitleRenderer() |
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100 // C++ default constructor can NOT contain any code, that might leave. |
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101 // ----------------------------------------------------------------------------- |
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102 // |
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103 CHgVgLabel::CHgVgLabel(const TRect& aRect, const CFont* aFont) : |
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104 iRect(aRect), |
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105 iFont(aFont), |
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106 iTextColor(KRgbDarkGray), |
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107 iShadowColor(KRgbBlack), |
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108 iDirty(ETrue) |
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109 { |
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110 |
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111 } |
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112 |
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113 // ----------------------------------------------------------------------------- |
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114 // CHgVgTitleRenderer::~CHgVgTitleRenderer() |
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115 // Destructor. |
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116 // ----------------------------------------------------------------------------- |
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117 // |
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118 CHgVgLabel::~CHgVgLabel ( ) |
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119 { |
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120 delete iText; |
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121 delete iTextRenderer; |
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122 // then parent |
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123 vgDestroyImage(iTextImage); |
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124 } |
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125 |
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126 // ----------------------------------------------------------------------------- |
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127 // CHgVgLabel::SetText() |
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128 // ----------------------------------------------------------------------------- |
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129 // |
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130 void CHgVgLabel::SetTextL(const TDesC& aText) |
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131 { |
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132 if (aText != *iText) |
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133 { |
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134 delete iText; |
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135 iText = 0; |
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136 iText = aText.AllocL(); |
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137 iDirty = ETrue; |
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138 } |
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139 } |
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140 |
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141 // ----------------------------------------------------------------------------- |
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142 // CHgVgLabel::SetFont() |
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143 // ----------------------------------------------------------------------------- |
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144 // |
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145 void CHgVgLabel::SetFont(const CFont* aFont) |
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146 { |
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147 if (aFont != iFont) |
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148 { |
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149 iFont = aFont; |
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150 iDirty = ETrue; |
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151 } |
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152 } |
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153 |
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154 // ----------------------------------------------------------------------------- |
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155 // CHgVgLabel::SetColor() |
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156 // ----------------------------------------------------------------------------- |
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157 // |
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158 void CHgVgLabel::SetColor(const TRgb& aColor) |
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159 { |
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160 iTextColor = aColor; |
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161 } |
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162 |
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163 // ----------------------------------------------------------------------------- |
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164 // CHgVgLabel::SetColor() |
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165 // ----------------------------------------------------------------------------- |
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166 // |
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167 void CHgVgLabel::SetShadowColor(const TRgb& aColor) |
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168 { |
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169 iShadowColor = aColor; |
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170 } |
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171 |
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172 // ----------------------------------------------------------------------------- |
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173 // CHgVgLabel::Draw() |
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174 // ----------------------------------------------------------------------------- |
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175 // |
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176 void CHgVgLabel::Draw(const TRect& aWindowRect, TReal aAlpha) |
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177 { |
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178 if (iDirty) |
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179 { |
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180 Update(); |
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181 iDirty = EFalse; |
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182 } |
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183 |
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184 TRgb color = iTextColor; |
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185 color.SetAlpha(255.0f * aAlpha); |
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186 TRgb shadowColor = iShadowColor; |
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187 shadowColor.SetAlpha(255.0f * aAlpha); |
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188 |
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189 //HgVgHelper::DrawImageColorized(iTextImage, shadowColor, iRect.iTl+TPoint(1,1), aWindowRect); |
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190 HgVgHelper::DrawImageColorized(iTextImage, color, iRect.iTl, aWindowRect); |
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191 } |
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192 |
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193 // ----------------------------------------------------------------------------- |
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194 // CHgVgLabel::Update() |
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195 // ----------------------------------------------------------------------------- |
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196 // |
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197 void CHgVgLabel::Update() |
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198 { |
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199 iTextRenderer->Clear(iRect.Size(), KRgbBlack); |
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200 /* iTextRenderer->Gc().SetPenColor(KRgbWhite); |
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201 |
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202 iTextRenderer->Gc().UseFont(iFont); |
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203 iTextRenderer->Gc().DrawText(*iText, TPoint( |
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204 iRect.Width() / 2 - iFont->TextWidthInPixels(*iText) / 2, |
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205 iFont->HeightInPixels())); |
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206 */ |
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207 TAknLayoutText text; |
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208 |
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209 text.LayoutText(iParentRect, iLayout); |
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210 text.DrawText(iTextRenderer->Gc(), *iText, ETrue, KRgbWhite); |
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211 |
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212 iTextRenderer->GetDrawBufferToVgImage(TRect(TPoint(0,0), iRect.Size()), |
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213 TPoint(0, 0), iTextImage, VG_A_1); |
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214 } |
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215 |
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216 |
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217 void CHgVgLabel::SetLayout(const TAknTextComponentLayout& aLayout, const TRect& aParentRect) |
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218 { |
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219 iLayout = aLayout; |
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220 iLayout.Sett(0); |
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221 iLayout.Setl(0); |
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222 iParentRect = aParentRect; |
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223 } |
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224 |
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225 void CHgVgLabel::DrawEmptyText(const TRect& aClientRect, const TDesC& aText) |
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226 { |
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227 iTextRenderer->Clear(iRect.Size(), KRgbBlack); |
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228 DrawEmptyListImpl_real(aClientRect, iTextRenderer->Gc(), aText, KRgbWhite); |
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229 iTextRenderer->GetDrawBufferToVgImage(TRect(TPoint(0,0), iRect.Size()), |
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230 TPoint(0, 0), iTextImage, VG_A_1); |
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231 iDirty = EFalse; |
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232 Draw(aClientRect, 1.0f); |
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233 } |
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234 |
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235 |
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236 |
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237 // End of File |
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