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 "HgVgDrawBuffer.h" |
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21 |
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22 #include <AknIconUtils.h> |
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23 #include <AknsDrawUtils.h> |
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24 #include <gulicon.h> |
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25 #include <AknUtils.h> |
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26 #include <e32math.h> |
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27 #include <gulcolor.h> |
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28 #include <AknsDrawUtils.h> |
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29 #include <imageconversion.h> |
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30 |
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31 // ============================ MEMBER FUNCTIONS =============================== |
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32 // ----------------------------------------------------------------------------- |
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33 // CHgVgDrawBuffer::NewL() |
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34 // Two-phased constructor. |
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35 // ----------------------------------------------------------------------------- |
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36 // |
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37 CHgVgDrawBuffer* CHgVgDrawBuffer::NewL(const TSize& aBufferSize, const TDisplayMode& aMode ) |
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38 { |
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39 CHgVgDrawBuffer* self = new ( ELeave ) CHgVgDrawBuffer(); |
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40 |
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41 CleanupStack::PushL (self ); |
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42 self->ConstructL(aBufferSize, aMode); |
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43 CleanupStack::Pop ( self ); |
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44 return self; |
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45 } |
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46 |
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47 // ----------------------------------------------------------------------------- |
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48 // CHgVgDrawBuffer::ConstructL() |
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49 // Symbian 2nd phase constructor can leave. |
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50 // ----------------------------------------------------------------------------- |
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51 // |
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52 void CHgVgDrawBuffer::ConstructL (const TSize& aBufferSize, const TDisplayMode& aMode ) |
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53 { |
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54 |
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55 // Create draw buffer |
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56 iDrawBuffer = new (ELeave) CFbsBitmap(); |
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57 iDrawBuffer->Create(aBufferSize, aMode); |
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58 iBufferSize = aBufferSize; |
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59 |
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60 // Create device and context for drawing |
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61 iDevice = CFbsBitmapDevice::NewL(iDrawBuffer); |
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62 iDevice->CreateContext(iGc); |
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63 |
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64 |
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65 } |
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66 |
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67 // ----------------------------------------------------------------------------- |
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68 // CHgVgDrawBuffer::CHgVgDrawBuffer() |
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69 // C++ default constructor can NOT contain any code, that might leave. |
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70 // ----------------------------------------------------------------------------- |
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71 // |
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72 CHgVgDrawBuffer::CHgVgDrawBuffer() |
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73 { |
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74 |
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75 } |
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76 |
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77 // ----------------------------------------------------------------------------- |
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78 // CHgVgDrawBuffer::~CHgVgDrawBuffer() |
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79 // Destructor. |
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80 // ----------------------------------------------------------------------------- |
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81 // |
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82 CHgVgDrawBuffer::~CHgVgDrawBuffer ( ) |
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83 { |
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84 delete iGc; iGc = NULL; |
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85 delete iDevice; iDevice = NULL; |
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86 delete iDrawBuffer; iDrawBuffer = NULL; |
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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 // CHgVgDrawBuffer::BufferSize() |
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92 // ----------------------------------------------------------------------------- |
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93 // |
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94 const TSize& CHgVgDrawBuffer::BufferSize() const |
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95 { |
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96 return iBufferSize; |
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97 } |
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98 |
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99 // ----------------------------------------------------------------------------- |
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100 // CHgVgDrawBuffer::Gc() |
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101 // Gets drawcontext. |
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102 // ----------------------------------------------------------------------------- |
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103 // |
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104 CFbsBitGc& CHgVgDrawBuffer::Gc() |
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105 { |
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106 return *iGc; |
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107 } |
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108 |
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109 |
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110 CFbsBitmap& CHgVgDrawBuffer::DrawBuffer() |
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111 { |
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112 return *iDrawBuffer; |
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113 } |
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114 |
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115 // ----------------------------------------------------------------------------- |
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116 // CHgVgDrawBuffer::Clear |
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117 // Clear draw buffer to color |
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118 // ----------------------------------------------------------------------------- |
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119 // |
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120 void CHgVgDrawBuffer::Clear(const TRect& aRect, |
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121 const TRgb& aColor) |
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122 { |
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123 iGc->SetBrushColor(aColor); |
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124 iGc->Clear(aRect); |
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125 } |
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126 |
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127 // ----------------------------------------------------------------------------- |
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128 // CHgVgDrawBuffer::DrawText() |
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129 // Draws text to buffer |
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130 // ----------------------------------------------------------------------------- |
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131 // |
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132 void CHgVgDrawBuffer::DrawText(const TDesC& aText, const CFont* aFont, |
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133 const TRgb& aColor, const TPoint& aPosition) |
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134 { |
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135 iGc->SetPenColor(aColor); |
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136 iGc->UseFont(aFont); |
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137 iGc->DrawText(aText, aPosition); |
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138 } |
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139 |
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140 // ----------------------------------------------------------------------------- |
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141 // CHgVgDrawBuffer::GetDrawBufferToVgImage() |
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142 // Copies drawbuffer to vg image. |
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143 // ----------------------------------------------------------------------------- |
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144 // |
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145 void CHgVgDrawBuffer::GetDrawBufferToVgImage(const TRect& aSrcRect, |
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146 const TPoint& aDest, VGImage destImage, VGImageFormat destFormat) |
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147 { |
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148 |
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149 iDrawBuffer->BeginDataAccess(); |
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150 TInt stride = iDrawBuffer->DataStride(); |
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151 TInt sizeOfPixel = stride / iBufferSize.iWidth; |
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152 |
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153 TUint8* ptr = (TUint8*)iDrawBuffer->DataAddress(); |
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154 ptr += aSrcRect.iTl.iY * stride; |
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155 ptr += aSrcRect.iTl.iX * sizeOfPixel; |
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156 |
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157 vgImageSubData (destImage, ptr, stride, destFormat, aDest.iX, aDest.iY, aSrcRect.Width(), |
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158 aSrcRect.Height()); |
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159 |
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160 iDrawBuffer->EndDataAccess(); |
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161 |
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162 |
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163 } |
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164 |
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165 |
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166 |
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167 |
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168 // End of File |
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