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1 /* |
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2 * Copyright (c) 2007 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: Canvas visual |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 #include "alf/alfcanvasvisual.h" |
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21 #include "alf/alfcontrol.h" |
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22 #include "alflogger.h" |
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23 #include "alf/alfgencomponent.h" |
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24 #include "alf/alfconstants.h" |
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25 #include "alf/alfenv.h" |
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26 #include "alf/alfgc.h" |
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27 #include "alflogger.h" |
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28 |
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29 |
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30 |
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31 // ======== MEMBER FUNCTIONS ======== |
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32 |
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33 struct CAlfCanvasVisual::TCanvasVisualPrivateData |
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34 { |
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35 TCanvasVisualPrivateData() : iObserver(NULL) {} |
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36 MAlfCanvasObserver* iObserver; |
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37 CAlfGc* iGc; |
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38 }; |
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39 |
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40 // --------------------------------------------------------------------------- |
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41 // ?description_if_needed |
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42 // --------------------------------------------------------------------------- |
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43 // |
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44 |
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45 EXPORT_C CAlfCanvasVisual* CAlfCanvasVisual::AddNewL( |
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46 CAlfControl& aOwnerControl, |
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47 CAlfLayout* aParentLayout ) |
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48 { |
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49 CAlfCanvasVisual* canvas = STATIC_CAST(CAlfCanvasVisual*, |
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50 aOwnerControl.AppendVisualL(EAlfVisualTypeCanvas, aParentLayout)); |
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51 return canvas; |
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52 } |
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53 |
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54 // --------------------------------------------------------------------------- |
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55 // |
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56 // --------------------------------------------------------------------------- |
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57 // |
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58 EXPORT_C CAlfCanvasVisual::CAlfCanvasVisual() |
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59 { |
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60 } |
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61 |
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62 // --------------------------------------------------------------------------- |
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63 // |
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64 // --------------------------------------------------------------------------- |
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65 // |
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66 EXPORT_C void CAlfCanvasVisual::ConstructL(CAlfControl& aOwner) |
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67 { |
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68 CAlfVisual::ConstructL(aOwner); |
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69 |
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70 iCanvasVisualData = new (ELeave) TCanvasVisualPrivateData; |
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71 iCanvasVisualData->iGc = CAlfGc::NewL(); |
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72 } |
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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 EXPORT_C CAlfCanvasVisual::~CAlfCanvasVisual() |
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79 { |
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80 if ( iCanvasVisualData ) |
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81 { |
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82 delete iCanvasVisualData->iGc; |
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83 } |
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84 |
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85 delete iCanvasVisualData; |
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86 iCanvasVisualData = 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 // --------------------------------------------------------------------------- |
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92 // |
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93 EXPORT_C void CAlfCanvasVisual::SetCanvasObserver( MAlfCanvasObserver* aObserver ) |
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94 { |
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95 iCanvasVisualData->iObserver = aObserver; |
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96 } |
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97 |
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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 void CAlfCanvasVisual::SendBuffer( const TPtrC8& aBuffer ) |
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103 { |
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104 TBuf8<1> dum; |
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105 TInt err = Comms()->DoSynchronousCmd(EAlfCanvasVisualSendbuffer, aBuffer, dum); |
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106 } |
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107 |
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108 // --------------------------------------------------------------------------- |
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109 // |
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110 // --------------------------------------------------------------------------- |
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111 // |
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112 EXPORT_C void CAlfCanvasVisual::BeginDraw() |
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113 { |
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114 TRAP_IGNORE(iCanvasVisualData->iGc->ActivateL()); |
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115 } |
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116 |
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117 // --------------------------------------------------------------------------- |
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118 // |
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119 // --------------------------------------------------------------------------- |
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120 // |
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121 EXPORT_C void CAlfCanvasVisual::EndDraw() |
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122 { |
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123 HBufC8* commandBuffer = iCanvasVisualData->iGc->CommandBuffer(); |
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124 __ALFLOGSTRING1( "CAlfCanvasVisual::Refresh buffer length: %d", commandBuffer->Length() ) |
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125 if (commandBuffer) |
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126 { |
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127 SendBuffer( commandBuffer->Des() ); |
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128 } |
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129 |
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130 iCanvasVisualData->iGc->Deactivate(); |
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131 } |
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132 |
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133 // --------------------------------------------------------------------------- |
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134 // Place holder from CAlfVisual |
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135 // --------------------------------------------------------------------------- |
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136 // |
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137 EXPORT_C void CAlfCanvasVisual::RemoveAndDestroyAllD() |
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138 { |
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139 CAlfVisual::RemoveAndDestroyAllD(); |
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140 } |
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141 |
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142 // --------------------------------------------------------------------------- |
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143 // Place holder from CAlfVisual |
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144 // --------------------------------------------------------------------------- |
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145 // |
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146 EXPORT_C void CAlfCanvasVisual::UpdateChildrenLayout(TInt aTransitionTime ) |
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147 { |
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148 CAlfVisual::UpdateChildrenLayout( aTransitionTime ); |
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149 } |
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150 |
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151 // --------------------------------------------------------------------------- |
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152 // Place holder from CAlfVisual |
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153 // --------------------------------------------------------------------------- |
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154 // |
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155 EXPORT_C CAlfVisual* CAlfCanvasVisual::FindTag(const TDesC8& aTag) |
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156 { |
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157 return CAlfVisual::FindTag( aTag ); |
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158 } |
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159 |
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160 // --------------------------------------------------------------------------- |
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161 // Place holder from CAlfVisual |
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162 // --------------------------------------------------------------------------- |
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163 // |
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164 EXPORT_C void CAlfCanvasVisual::DoRemoveAndDestroyAllD() |
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165 { |
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166 CAlfVisual::DoRemoveAndDestroyAllD(); |
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167 } |
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168 |
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169 // --------------------------------------------------------------------------- |
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170 // future proofing |
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171 // --------------------------------------------------------------------------- |
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172 // |
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173 EXPORT_C void CAlfCanvasVisual::PropertyOwnerExtension(const TUid& aExtensionUid, TAny** aExtensionParams) |
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174 { |
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175 CAlfVisual::PropertyOwnerExtension(aExtensionUid,aExtensionParams); |
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176 } |
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177 |
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178 // --------------------------------------------------------------------------- |
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179 // |
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180 // --------------------------------------------------------------------------- |
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181 // |
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182 EXPORT_C void CAlfCanvasVisual::DrawImage(const CAlfTexture& aTexture, const TAlfRealRect& aDestinationRect) |
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183 { |
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184 iCanvasVisualData->iGc->DrawImage(aTexture, aDestinationRect); |
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185 } |
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186 |
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187 // --------------------------------------------------------------------------- |
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188 // |
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189 // --------------------------------------------------------------------------- |
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190 // |
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191 EXPORT_C void CAlfCanvasVisual::DrawText(const TDesC& aText, const TAlfRealRect& aDestinationRect) |
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192 { |
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193 iCanvasVisualData->iGc->DrawText(aText, aDestinationRect); |
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194 } |
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195 |
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196 // --------------------------------------------------------------------------- |
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197 // |
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198 // --------------------------------------------------------------------------- |
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199 // |
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200 EXPORT_C void CAlfCanvasVisual::DrawLines(const TAlfRealLine* aLines, TInt aLineCount) |
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201 { |
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202 RArray<TReal32> linesPointCords; |
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203 for(TInt i = 0; i< aLineCount; i++) |
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204 { |
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205 linesPointCords.Append(aLines[i].iStart.iX); |
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206 linesPointCords.Append(aLines[i].iStart.iY); |
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207 linesPointCords.Append(aLines[i].iEnd.iX); |
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208 linesPointCords.Append(aLines[i].iEnd.iY); |
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209 } |
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210 iCanvasVisualData->iGc->DrawLines(linesPointCords); |
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211 linesPointCords.Close(); |
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212 } |
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213 |
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214 // --------------------------------------------------------------------------- |
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215 // |
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216 // --------------------------------------------------------------------------- |
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217 // |
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218 EXPORT_C void CAlfCanvasVisual::DrawEllipse(const TAlfRealRect& aDestinationRect) |
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219 { |
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220 iCanvasVisualData->iGc->DrawEllipse(aDestinationRect); |
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221 } |
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222 |
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223 // --------------------------------------------------------------------------- |
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224 // |
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225 // --------------------------------------------------------------------------- |
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226 // |
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227 EXPORT_C void CAlfCanvasVisual::DrawPoints(const TAlfRealPoint* aPoints, TInt aPointCount) |
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228 { |
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229 RArray<TReal32> pointCords; |
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230 for(TInt i = 0; i< aPointCount; i++) |
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231 { |
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232 pointCords.Append(aPoints[i].iX); |
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233 pointCords.Append(aPoints[i].iY); |
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234 } |
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235 iCanvasVisualData->iGc->DrawPoints(pointCords); |
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236 pointCords.Close(); |
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237 } |
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238 |
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239 // --------------------------------------------------------------------------- |
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240 // |
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241 // --------------------------------------------------------------------------- |
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242 // |
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243 EXPORT_C void CAlfCanvasVisual::DrawPolygon(const TAlfRealPoint* aPoints, TInt aPointCount) |
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244 { |
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245 RArray<TReal32> pointCords; |
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246 for(TInt i = 0; i< aPointCount; i++) |
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247 { |
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248 pointCords.Append(aPoints[i].iX); |
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249 pointCords.Append(aPoints[i].iY); |
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250 } |
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251 iCanvasVisualData->iGc->DrawPolygon(pointCords); |
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252 pointCords.Close(); |
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253 } |
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254 |
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255 // --------------------------------------------------------------------------- |
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256 // |
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257 // --------------------------------------------------------------------------- |
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258 // |
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259 EXPORT_C void CAlfCanvasVisual::DrawRects(const TAlfRealRect* aRects, TInt aRectCount) |
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260 { |
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261 RArray<TReal32> rectPointCords; |
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262 for(TInt i = 0; i< aRectCount; i++) |
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263 { |
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264 rectPointCords.Append(aRects[i].iTl.iX); |
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265 rectPointCords.Append(aRects[i].iTl.iY); |
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266 rectPointCords.Append(aRects[i].iBr.iX); |
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267 rectPointCords.Append(aRects[i].iBr.iY); |
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268 } |
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269 iCanvasVisualData->iGc->DrawRects(rectPointCords); |
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270 rectPointCords.Close(); |
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271 } |
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272 |
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273 |
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274 // Setters |
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275 // --------------------------------------------------------------------------- |
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276 // |
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277 // --------------------------------------------------------------------------- |
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278 // |
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279 EXPORT_C void CAlfCanvasVisual::SetTextStyle(const CAlfTextStyle& aTextStyle) |
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280 { |
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281 iCanvasVisualData->iGc->SetTextStyle(aTextStyle); |
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282 } |
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283 |
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284 // --------------------------------------------------------------------------- |
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285 // |
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286 // --------------------------------------------------------------------------- |
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287 // |
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288 EXPORT_C void CAlfCanvasVisual::SetPenColor(const TRgb& aColor) |
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289 { |
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290 iCanvasVisualData->iGc->SetPenColor(aColor); |
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291 } |
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292 |
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293 // --------------------------------------------------------------------------- |
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294 // |
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295 // --------------------------------------------------------------------------- |
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296 // |
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297 EXPORT_C void CAlfCanvasVisual::SetPenWidth(const TReal32& aWidth) |
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298 { |
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299 iCanvasVisualData->iGc->SetPenWidth(aWidth); |
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300 } |
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301 |
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302 // --------------------------------------------------------------------------- |
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303 // |
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304 // --------------------------------------------------------------------------- |
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305 // |
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306 EXPORT_C void CAlfCanvasVisual::SetPenOpacity(const TReal32& aOpacity) |
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307 { |
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308 iCanvasVisualData->iGc->SetOpacity(aOpacity); |
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309 } |
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310 |
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311 // --------------------------------------------------------------------------- |
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312 // |
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313 // --------------------------------------------------------------------------- |
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314 // |
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315 EXPORT_C void CAlfCanvasVisual::SetPolygonDrawMode(TAlfPolygonDrawMode aPolygonDrawMode) |
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316 { |
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317 iCanvasVisualData->iGc->SetPolygonDrawMode(aPolygonDrawMode); |
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318 } |
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319 |
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320 // --------------------------------------------------------------------------- |
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321 // |
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322 // --------------------------------------------------------------------------- |
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323 // |
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324 EXPORT_C void CAlfCanvasVisual::SetTextAlign(TAlfAlignHorizontal aAlignHorizontal, TAlfAlignVertical aAlignVertical) |
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325 { |
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326 iCanvasVisualData->iGc->SetTextAlign(aAlignHorizontal, aAlignVertical); |
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327 } |
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328 |
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329 |
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330 // Transformations |
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331 // --------------------------------------------------------------------------- |
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332 // |
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333 // --------------------------------------------------------------------------- |
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334 // |
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335 EXPORT_C void CAlfCanvasVisual::LoadIdentity() |
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336 { |
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337 iCanvasVisualData->iGc->LoadIdentity(); |
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338 } |
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339 |
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340 // --------------------------------------------------------------------------- |
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341 // |
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342 // --------------------------------------------------------------------------- |
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343 // |
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344 EXPORT_C void CAlfCanvasVisual::Translate(const TReal32& aX, const TReal32& aY, const TReal32& aZ) |
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345 { |
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346 iCanvasVisualData->iGc->Translate(aX, aY, aZ); |
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347 } |
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348 |
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349 // --------------------------------------------------------------------------- |
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350 // |
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351 // --------------------------------------------------------------------------- |
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352 // |
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353 EXPORT_C void CAlfCanvasVisual::Scale(const TReal32& aX, const TReal32& aY, const TReal32& aZ) |
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354 { |
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355 iCanvasVisualData->iGc->Scale(aX, aY, aZ); |
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356 } |
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357 |
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358 // --------------------------------------------------------------------------- |
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359 // |
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360 // --------------------------------------------------------------------------- |
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361 // |
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362 EXPORT_C void CAlfCanvasVisual::Rotate(const TReal32& aAngle, const TReal32& aX, const TReal32& aY, const TReal32& aZ) |
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363 { |
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364 iCanvasVisualData->iGc->Rotate(aAngle, aX, aY, aZ); |
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365 } |
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366 |