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1 // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #include <coeccntx.h> |
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17 |
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18 |
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19 // |
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20 // Class MCoeControlContext |
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21 // |
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22 EXPORT_C MCoeControlContext::MCoeControlContext() |
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23 { |
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24 } |
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25 |
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26 /** Activates a graphics context for the specified window. |
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27 |
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28 This function is called whenever a control is about to be drawn. Its default |
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29 implementation activates the graphics context given by aGc for the window |
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30 given by aWindow, and calls PrepareContext(). |
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31 |
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32 This function may be overridden by derived classes. |
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33 |
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34 @param aGc The graphics context to activate. When called from CCoeControl::ActivateGc(), |
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35 this is the system graphics context. |
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36 @param aWindow The window for which the graphics context is to be activated. */ |
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37 EXPORT_C void MCoeControlContext::ActivateContext(CWindowGc& aGc,RDrawableWindow& aWindow) const |
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38 { |
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39 aGc.Activate(aWindow); |
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40 PrepareContext(aGc); |
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41 } |
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42 |
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43 /** Resets the control context. |
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44 |
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45 The default implementation first resets the graphics context given by aGc, |
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46 and then calls PrepareContext(). The function may be overridden by derived |
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47 classes. |
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48 |
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49 @param aGc The graphics context to be reset. */ |
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50 EXPORT_C void MCoeControlContext::ResetContext(CWindowGc& aGc) const |
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51 { |
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52 aGc.Reset(); |
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53 PrepareContext(aGc); |
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54 } |
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55 |
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56 /** Initialises graphics context settings. |
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57 |
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58 This function should be implemented by derived classes to initialise the graphics |
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59 context, given by aGc, with the required settings. The default implementation |
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60 is empty. |
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61 |
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62 @param aGc The graphics context to be initialised. */ |
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63 EXPORT_C void MCoeControlContext::PrepareContext(CWindowGc& /*aGc*/) const |
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64 { |
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65 } |
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66 |
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67 EXPORT_C void MCoeControlContext::MCoeControlContext_Reserved1() |
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68 { |
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69 } |
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70 |
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71 EXPORT_C void MCoeControlContext::MCoeControlContext_Reserved2() |
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72 { |
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73 } |
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74 // |
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75 // Class CCoeBrushAndPenContext |
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76 // |
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77 |
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78 CCoeBrushAndPenContext::CCoeBrushAndPenContext() |
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79 {} |
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80 |
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81 /** Allocates and constructs a new brush and pen graphics context object. |
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82 |
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83 @return A pointer to the newly created object */ |
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84 EXPORT_C CCoeBrushAndPenContext* CCoeBrushAndPenContext::NewL() |
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85 { |
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86 CCoeBrushAndPenContext* self=new(ELeave) CCoeBrushAndPenContext; |
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87 return self; |
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88 } |
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89 |
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90 /** Prepares the graphics context for drawing the control in its normal state. |
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91 |
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92 The function uses the brush and pen properties which have been set, or uses |
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93 a black pen and a black solid brush by default. When a bitmap has been set |
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94 a patterned style brush is selected |
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95 |
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96 @param aGc The window graphics context. */ |
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97 EXPORT_C void CCoeBrushAndPenContext::PrepareContext(CWindowGc& aGc) const |
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98 { |
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99 if (iBitmap) |
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100 { |
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101 aGc.UseBrushPattern(iBitmap); |
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102 aGc.SetBrushStyle(CGraphicsContext::EPatternedBrush); |
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103 return; |
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104 } |
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105 aGc.SetBrushStyle(iBrushStyle); |
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106 aGc.SetBrushColor(iBrushColor); |
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107 aGc.SetPenColor(iPenColor); |
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108 } |
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109 |
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110 /** Sets the brush style. |
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111 |
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112 @param aBrushStyle The brush style to be used for drawing. */ |
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113 EXPORT_C void CCoeBrushAndPenContext::SetBrushStyle(CWindowGc::TBrushStyle aBrushStyle) |
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114 { |
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115 iBrushStyle=aBrushStyle; |
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116 } |
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117 |
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118 /** Sets the brush colour. |
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119 |
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120 @param aColor The brush colour. */ |
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121 EXPORT_C void CCoeBrushAndPenContext::SetBrushColor(TRgb aColor) |
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122 { |
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123 iBrushColor=aColor; |
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124 } |
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125 |
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126 /** Sets the drawing brush pattern bitmap. |
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127 |
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128 When a bitmap has been set, a patterned style brush is selected automatically. |
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129 |
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130 @param aBitmap The pattern bitmap. */ |
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131 EXPORT_C void CCoeBrushAndPenContext::SetBrushBitmap(const CFbsBitmap& aBitmap) |
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132 { |
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133 iBitmap=&aBitmap; |
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134 } |
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135 |
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136 /** Sets the pen colour. |
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137 |
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138 @param aColor The pen colour. */ |
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139 EXPORT_C void CCoeBrushAndPenContext::SetPenColor(TRgb aColor) |
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140 { |
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141 iPenColor=aColor; |
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142 } |
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143 |
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144 /** Gets the brush style. |
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145 |
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146 @return The current brush style. */ |
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147 EXPORT_C CWindowGc::TBrushStyle CCoeBrushAndPenContext::BrushStyle() const |
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148 { |
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149 return iBrushStyle; |
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150 } |
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151 |
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152 /** Gets the brush colour. |
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153 |
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154 @return The current brush colour. */ |
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155 EXPORT_C TRgb CCoeBrushAndPenContext::BrushColor() const |
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156 { |
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157 return iBrushColor; |
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158 } |
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159 |
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160 /** Gets a reference to the bitmap used to pattern the drawing brush. |
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161 |
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162 @return The pattern bitmap. */ |
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163 EXPORT_C const CFbsBitmap& CCoeBrushAndPenContext::BrushBitmap() const |
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164 { |
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165 return *iBitmap; |
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166 } |
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167 |
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168 /** Gets the pen colour. |
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169 |
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170 @return The current pen colour. */ |
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171 EXPORT_C TRgb CCoeBrushAndPenContext::PenColor() const |
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172 { |
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173 return iPenColor; |
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174 } |
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175 |
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176 |
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177 // |
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178 // Class MCoeControlBrushContext deprecated as of Release 005u |
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179 // |
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180 |
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181 EXPORT_C MCoeControlBrushContext::MCoeControlBrushContext() |
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182 { |
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183 } |
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184 |
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185 /** Sets the brush settings for the specified graphics context. |
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186 |
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187 If iBitmap is set, it sets this as the brush pattern and sets the brush style |
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188 to EPatternedBrush. Otherwise, it sets the brush style and brush colour using |
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189 the values of iBrushStyle and iBrushColor. |
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190 |
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191 @param aGc The graphics context to set. */ |
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192 EXPORT_C void MCoeControlBrushContext::PrepareContext(CWindowGc& aGc) const |
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193 { |
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194 if (iBitmap) |
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195 { |
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196 aGc.UseBrushPattern(iBitmap); |
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197 aGc.SetBrushStyle(CGraphicsContext::EPatternedBrush); |
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198 return; |
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199 } |
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200 aGc.SetBrushStyle(iBrushStyle); |
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201 aGc.SetBrushColor(iBrushColor); |
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202 } |