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 "HgVgLetterPopup.h" |
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21 #include "HgVgDrawBuffer.h" |
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22 #include "HgVgHelper.h" |
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23 #include <VG/vgu.h> |
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24 #include <AknUtils.h> |
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25 #include <AknsDrawUtils.h> |
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26 |
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27 |
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28 |
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29 const VGfloat KLetterStripColor[] = { 0.2f, 0.2f, 0.2f, 0.8f }; |
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30 const VGfloat KLetterStripCurviness(10); |
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31 |
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32 |
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33 // ============================ MEMBER FUNCTIONS =============================== |
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34 // ----------------------------------------------------------------------------- |
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35 // CHgVgPopup::NewL() |
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36 // Two-phased constructor. |
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37 // ----------------------------------------------------------------------------- |
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38 // |
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39 CHgVgPopup* CHgVgPopup::NewL( const TRect& aRect, const CFont* aFont ) |
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40 { |
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41 CHgVgPopup* self = new ( ELeave ) CHgVgPopup( aRect, aFont ); |
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42 CleanupStack::PushL (self ); |
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43 self->ConstructL( ); |
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44 CleanupStack::Pop ( self ); |
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45 return self; |
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46 } |
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47 |
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48 // ----------------------------------------------------------------------------- |
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49 // CHgVgPopup::ConstructL() |
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50 // Symbian 2nd phase constructor can leave. |
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51 // ----------------------------------------------------------------------------- |
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52 // |
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53 void CHgVgPopup::ConstructL ( ) |
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54 { |
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55 iPrevText = ((TDesC)KNullDesC).AllocL(); |
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56 |
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57 iDrawBuffer = CHgVgDrawBuffer::NewL(iRect.Size(), EGray2); |
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58 |
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59 iDrawBuffer->Gc().UseFont(iFont); |
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60 iDrawBuffer->Gc().SetPenColor(KRgbWhite); |
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61 iDrawBuffer->Gc().SetBrushColor(KRgbBlack); |
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62 |
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63 // Create VG Image to use |
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64 iLetterImage = vgCreateImage(VG_A_1, |
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65 iRect.Width(), iRect.Height(), |
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66 VG_IMAGE_QUALITY_NONANTIALIASED); |
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67 |
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68 VGErrorCode error = vgGetError(); |
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69 |
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70 if (iLetterImage == VG_INVALID_HANDLE || error == VG_OUT_OF_MEMORY_ERROR) |
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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 iLetterBgPath = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, |
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76 1.0f, 0.0f, 4, 4, (unsigned int)VG_PATH_CAPABILITY_ALL); |
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77 |
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78 vguRoundRect(iLetterBgPath, 0, 0, iRect.Width(), |
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79 iRect.Height(), KLetterStripCurviness, KLetterStripCurviness); |
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80 |
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81 iLetterBgPaint = vgCreatePaint(); |
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82 |
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83 vgSetParameteri(iLetterBgPaint, VG_PAINT_TYPE, |
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84 VG_PAINT_TYPE_COLOR); |
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85 |
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86 vgSetParameterfv(iLetterBgPaint, VG_PAINT_COLOR, 4, KLetterStripColor); |
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87 |
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88 } |
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89 |
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90 // ----------------------------------------------------------------------------- |
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91 // CHgVgPopup::CHgVgPopup() |
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92 // C++ default constructor can NOT contain any code, that might leave. |
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93 // ----------------------------------------------------------------------------- |
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94 // |
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95 CHgVgPopup::CHgVgPopup( const TRect& aRect, const CFont* aFont) : |
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96 iRect(aRect), |
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97 iFont(aFont) |
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98 { |
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99 |
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100 |
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101 } |
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102 |
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103 // ----------------------------------------------------------------------------- |
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104 // CHgVgPopup::~CHgVgLetterStrip() |
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105 // Destructor. |
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106 // ----------------------------------------------------------------------------- |
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107 // |
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108 CHgVgPopup::~CHgVgPopup ( ) |
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109 { |
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110 |
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111 delete iDrawBuffer; |
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112 |
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113 delete iPrevText; |
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114 |
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115 vgDestroyImage(iLetterImage); |
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116 |
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117 vgDestroyPath(iLetterBgPath); |
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118 vgDestroyPaint(iLetterBgPaint); |
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119 |
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120 } |
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121 |
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122 // ----------------------------------------------------------------------------- |
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123 // CHgVgPopup::SetLetter() |
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124 // ----------------------------------------------------------------------------- |
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125 // |
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126 void CHgVgPopup::SetTextL(const TDesC& aText) |
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127 { |
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128 User::LeaveIfNull(iPrevText); |
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129 if (*iPrevText != aText) |
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130 { |
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131 delete iPrevText; |
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132 iPrevText = 0; |
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133 iPrevText = aText.AllocL(); |
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134 iDrawBuffer->Clear(iRect.Size(), KRgbBlack); |
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135 |
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136 TAknLayoutText layout; |
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137 layout.LayoutText(iParentRect, iTextLayout); |
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138 layout.DrawText(iDrawBuffer->Gc(), aText, ETrue, KRgbWhite); |
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139 |
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140 /* TInt width = iFont->TextWidthInPixels(aText); |
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141 TInt height = iFont->HeightInPixels(); |
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142 TPoint pos(iRect.Width() / 2 - width / 2, |
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143 iRect.Height() / 2 + height / 2); |
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144 iDrawBuffer->DrawText(aText, iFont, KRgbWhite, pos);*/ |
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145 iDrawBuffer->GetDrawBufferToVgImage(iRect.Size(), TPoint(0,0), iLetterImage, VG_A_1); |
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146 } |
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147 } |
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148 |
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149 // ----------------------------------------------------------------------------- |
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150 // CHgVgPopup::SetTexts() |
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151 // ----------------------------------------------------------------------------- |
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152 // |
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153 void CHgVgPopup::SetTexts(const TDesC& aText1, const TDesC& aText2) |
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154 { |
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155 iDrawBuffer->Clear(iRect.Size(), KRgbBlack); |
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156 TInt w1 = iFont->TextWidthInPixels(aText1); |
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157 TInt w2 = iFont->TextWidthInPixels(aText2); |
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158 TInt height = iFont->HeightInPixels(); |
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159 TPoint pos(iRect.Width() / 2 - w1 / 2, iRect.Height() / 2); |
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160 iDrawBuffer->Gc().DrawText(aText1, pos); |
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161 pos.iY += height; |
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162 pos.iX = iRect.Width() / 2 - w2 / 2; |
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163 iDrawBuffer->Gc().DrawText(aText2, pos); |
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164 iDrawBuffer->GetDrawBufferToVgImage(iRect.Size(), TPoint(0,0), iLetterImage, VG_A_1); |
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165 } |
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166 |
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167 // ----------------------------------------------------------------------------- |
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168 // CHgVgPopup::Draw() |
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169 // ----------------------------------------------------------------------------- |
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170 // |
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171 void CHgVgPopup::Draw(const TRect& aWindowRect, TReal aAlpha) |
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172 { |
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173 |
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174 VGfloat w = iRect.Width(); |
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175 VGfloat h = iRect.Height(); |
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176 |
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177 TRgb color; |
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178 AknsUtils::GetCachedColor(AknsUtils::SkinInstance(), |
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179 color, |
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180 KAknsIIDQsnTextColors, |
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181 EAknsCIQsnTextColorsCG6 ); |
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182 |
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183 TRgb bgColor(KRgbWhite); |
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184 if (color.Blue() > 128) |
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185 { |
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186 bgColor = KRgbBlack; |
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187 } |
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188 |
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189 // draw background |
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190 vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE); |
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191 vgLoadIdentity(); |
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192 |
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193 vgTranslate(iRect.iTl.iX, (aWindowRect.Height() - iRect.iBr.iY)); |
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194 |
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195 VGfloat bgv[4]; |
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196 bgv[0] = (VGfloat)bgColor.Red() / 255.0f; |
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197 bgv[1] = (VGfloat)bgColor.Green() / 255.0f; |
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198 bgv[2] = (VGfloat)bgColor.Blue() / 255.0f; |
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199 bgv[3] = aAlpha; |
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200 vgSetParameterfv(iLetterBgPaint, VG_PAINT_COLOR, 4, bgv); |
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201 |
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202 vgSetPaint(iLetterBgPaint, VG_FILL_PATH); |
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203 vgDrawPath(iLetterBgPath, VG_FILL_PATH); |
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204 |
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205 // draw letter |
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206 color.SetAlpha(aAlpha * 255.0f); |
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207 HgVgHelper::DrawImageColorized(iLetterImage, |
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208 color, iRect.iTl, aWindowRect, EFalse); |
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209 } |
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210 |
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211 void CHgVgPopup::SetLayouts(const TAknWindowComponentLayout& aPopupLayout, |
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212 const TAknTextComponentLayout& aTextLayout, const TRect& aParentRect) |
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213 { |
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214 iPopupLayout = aPopupLayout; |
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215 iTextLayout = aTextLayout; |
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216 iTextLayout.Setl(0); |
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217 iTextLayout.Sett(0); |
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218 iParentRect = aParentRect; |
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219 } |
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220 |
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221 |
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222 // End of File |
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