1 /* |
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2 * Copyright (c) 2004 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: Default implementation of bitmap class. |
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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 // INCLUDE FILES |
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20 #include "CIHLBitmap.h" |
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21 #include <fbs.h> |
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22 |
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23 // ======================== STATIC FACTORY FUNCTIONS =========================== |
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24 // ----------------------------------------------------------------------------- |
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25 // IHLBitmap::CreateL |
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26 // ----------------------------------------------------------------------------- |
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27 // |
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28 EXPORT_C MIHLBitmap* IHLBitmap::CreateL() |
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29 { |
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30 return CIHLBitmap::NewL(); |
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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 // C++ default constructor can NOT contain any code, that |
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36 // might leave. |
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37 // ----------------------------------------------------------------------------- |
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38 CIHLBitmap::CIHLBitmap() |
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39 { |
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40 } |
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41 |
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42 // ----------------------------------------------------------------------------- |
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43 // |
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44 // Second phase constructors. Can leave. |
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45 // ----------------------------------------------------------------------------- |
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46 void CIHLBitmap::ConstructL() |
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47 { |
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48 iBitmap = new (ELeave) CFbsBitmap; |
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49 iMask = new (ELeave) CFbsBitmap; |
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50 } |
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51 |
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52 // ----------------------------------------------------------------------------- |
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53 // |
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54 // Two-phased constructors. |
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55 // ----------------------------------------------------------------------------- |
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56 CIHLBitmap* CIHLBitmap::NewL() |
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57 { |
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58 CIHLBitmap* self = new( ELeave ) CIHLBitmap; |
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59 CleanupStack::PushL( self ); |
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60 self->ConstructL(); |
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61 CleanupStack::Pop(); // self |
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62 return self; |
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63 } |
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64 |
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65 // ----------------------------------------------------------------------------- |
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66 // Destructor |
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67 // ----------------------------------------------------------------------------- |
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68 CIHLBitmap::~CIHLBitmap() |
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69 { |
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70 delete iBitmap; |
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71 delete iMask; |
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72 } |
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73 |
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74 // ----------------------------------------------------------------------------- |
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75 // CIHLBitmap::Create |
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76 // ----------------------------------------------------------------------------- |
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77 TInt CIHLBitmap::Create( const TSize& aSize, TDisplayMode aDisplayMode ) |
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78 { |
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79 Reset(); |
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80 return iBitmap->Create( aSize, aDisplayMode ); |
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81 } |
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82 |
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83 // ----------------------------------------------------------------------------- |
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84 // CIHLBitmap::Create |
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85 // ----------------------------------------------------------------------------- |
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86 TInt CIHLBitmap::Create( const TSize& aSize, TDisplayMode aBitmapDisplayMode, |
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87 TDisplayMode aMaskDisplayMode ) |
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88 { |
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89 Reset(); |
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90 TInt err( KErrArgument ); |
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91 if( aMaskDisplayMode == EGray2 || aMaskDisplayMode == EGray256 ) |
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92 { |
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93 err = iBitmap->Create( aSize, aBitmapDisplayMode ); |
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94 if( err ) |
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95 { |
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96 return err; |
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97 } |
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98 err = iMask->Create( aSize, aMaskDisplayMode ); |
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99 if( err ) |
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100 { |
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101 iBitmap->Reset(); |
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102 } |
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103 } |
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104 return err; |
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105 } |
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106 |
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107 // ----------------------------------------------------------------------------- |
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108 // CIHLBitmap::Copy |
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109 // ----------------------------------------------------------------------------- |
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110 TInt CIHLBitmap::Copy( const CFbsBitmap& aBitmap, TBool aDuplicate ) |
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111 { |
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112 Reset(); |
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113 TInt err( KErrNone ); |
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114 TInt bitmapHandle( aBitmap.Handle() ); |
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115 if( bitmapHandle ) |
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116 { |
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117 if( aDuplicate ) |
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118 { |
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119 err = iBitmap->Duplicate( bitmapHandle ); |
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120 } |
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121 else |
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122 { |
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123 err = CopyBitmap( aBitmap, *iBitmap ); |
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124 } |
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125 } |
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126 return err; |
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127 } |
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128 |
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129 // ----------------------------------------------------------------------------- |
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130 // CIHLBitmap::Copy |
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131 // ----------------------------------------------------------------------------- |
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132 TInt CIHLBitmap::Copy( const CFbsBitmap& aBitmap, const CFbsBitmap& aMask, TBool aDuplicate ) |
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133 { |
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134 Reset(); |
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135 TInt bitmapHandle( aBitmap.Handle() ); |
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136 TInt maskHandle( aMask.Handle() ); |
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137 if( bitmapHandle && maskHandle && |
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138 aBitmap.SizeInPixels() != aMask.SizeInPixels() ) |
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139 { |
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140 return KErrArgument; |
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141 } |
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142 |
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143 if( maskHandle ) |
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144 { |
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145 switch( aMask.DisplayMode() ) |
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146 { |
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147 case EGray2: |
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148 case EGray256: |
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149 { |
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150 break; |
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151 } |
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152 default: |
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153 { |
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154 return KErrArgument; |
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155 } |
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156 } |
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157 } |
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158 |
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159 TInt err( KErrNone ); |
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160 if( bitmapHandle ) |
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161 { |
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162 if( aDuplicate ) |
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163 { |
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164 err = iBitmap->Duplicate( bitmapHandle ); |
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165 } |
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166 else |
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167 { |
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168 err = CopyBitmap( aBitmap, *iBitmap ); |
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169 } |
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170 } |
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171 |
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172 if( !err && maskHandle ) |
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173 { |
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174 if( aDuplicate ) |
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175 { |
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176 err = iMask->Duplicate( maskHandle ); |
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177 } |
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178 else |
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179 { |
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180 err = CopyBitmap( aMask, *iMask ); |
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181 } |
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182 if( err ) |
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183 { |
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184 iBitmap->Reset(); |
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185 } |
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186 } |
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187 return err; |
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188 } |
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189 |
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190 // ----------------------------------------------------------------------------- |
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191 // CIHLBitmap::Copy |
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192 // ----------------------------------------------------------------------------- |
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193 TInt CIHLBitmap::Copy( const MIHLBitmap& aBitmap, TBool aDuplicate ) |
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194 { |
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195 return Copy( aBitmap.Bitmap(), aBitmap.Mask(), aDuplicate ); |
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196 } |
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197 |
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198 // ----------------------------------------------------------------------------- |
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199 // CIHLBitmap::Reset |
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200 // ----------------------------------------------------------------------------- |
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201 void CIHLBitmap::Reset() |
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202 { |
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203 iBitmap->Reset(); |
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204 iMask->Reset(); |
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205 iEditorPtr = NULL; |
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206 iEditorValue = 0; |
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207 } |
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208 |
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209 |
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210 // ----------------------------------------------------------------------------- |
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211 // CIHLBitmap::IsCreated |
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212 // ----------------------------------------------------------------------------- |
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213 TBool CIHLBitmap::IsCreated() const |
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214 { |
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215 return ( iBitmap->Handle() != 0 ); |
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216 } |
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217 |
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218 // ----------------------------------------------------------------------------- |
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219 // CIHLBitmap::Bitmap |
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220 // ----------------------------------------------------------------------------- |
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221 const CFbsBitmap& CIHLBitmap::Bitmap() const |
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222 { |
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223 return *iBitmap; |
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224 } |
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225 |
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226 // ----------------------------------------------------------------------------- |
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227 // CIHLBitmap::HasMask |
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228 // ----------------------------------------------------------------------------- |
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229 TBool CIHLBitmap::HasMask() const |
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230 { |
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231 return ( iMask->Handle() != 0 ); |
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232 } |
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233 |
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234 // ----------------------------------------------------------------------------- |
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235 // CIHLBitmap::Mask |
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236 // ----------------------------------------------------------------------------- |
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237 const CFbsBitmap& CIHLBitmap::Mask() const |
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238 { |
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239 return *iMask; |
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240 } |
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241 |
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242 // ----------------------------------------------------------------------------- |
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243 // CIHLBitmap::Draw |
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244 // ----------------------------------------------------------------------------- |
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245 void CIHLBitmap::Draw( CBitmapContext& aContext, const TPoint& aPoint ) const |
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246 { |
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247 if( iBitmap->Handle() ) |
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248 { |
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249 if( iMask->Handle() ) |
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250 { |
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251 aContext.BitBltMasked( aPoint, iBitmap, iBitmap->SizeInPixels(), iMask, EFalse ); |
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252 } |
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253 else |
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254 { |
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255 aContext.BitBlt( aPoint, iBitmap, iBitmap->SizeInPixels() ); |
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256 } |
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257 } |
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258 } |
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259 |
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260 // ----------------------------------------------------------------------------- |
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261 // CIHLBitmap::Draw |
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262 // ----------------------------------------------------------------------------- |
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263 void CIHLBitmap::Draw( CBitmapContext& aContext, const TPoint& aPoint, |
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264 const TRect& aSourceRect ) const |
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265 { |
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266 if( iBitmap->Handle() ) |
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267 { |
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268 if( iMask->Handle() ) |
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269 { |
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270 aContext.BitBltMasked( aPoint, iBitmap, aSourceRect, iMask, EFalse ); |
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271 } |
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272 else |
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273 { |
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274 aContext.BitBlt( aPoint, iBitmap, aSourceRect ); |
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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 // Internal interface |
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280 // ----------------------------------------------------------------------------- |
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281 // CIHLBitmap::SetFilename |
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282 // ----------------------------------------------------------------------------- |
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283 CFbsBitmap& CIHLBitmap::BitmapModifyable() |
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284 { |
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285 return *iBitmap; |
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286 } |
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287 |
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288 // ----------------------------------------------------------------------------- |
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289 // CIHLBitmap::SetFilename |
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290 // ----------------------------------------------------------------------------- |
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291 CFbsBitmap& CIHLBitmap::MaskModifyable() |
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292 { |
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293 return *iMask; |
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294 } |
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295 |
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296 // ----------------------------------------------------------------------------- |
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297 // CIHLBitmap::SetEditorPtr |
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298 // ----------------------------------------------------------------------------- |
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299 void CIHLBitmap::SetEditorPtr( const TAny* aEditorPtr ) |
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300 { |
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301 iEditorPtr = aEditorPtr; |
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302 } |
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303 |
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304 // ----------------------------------------------------------------------------- |
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305 // CIHLBitmap::SetEditorValue |
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306 // ----------------------------------------------------------------------------- |
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307 void CIHLBitmap::SetEditorValue( TInt aEditorValue ) |
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308 { |
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309 iEditorValue = aEditorValue; |
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310 } |
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311 |
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312 // ----------------------------------------------------------------------------- |
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313 // CIHLBitmap::EditorPtr |
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314 // ----------------------------------------------------------------------------- |
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315 const TAny* CIHLBitmap::EditorPtr() const |
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316 { |
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317 return iEditorPtr; |
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318 } |
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319 |
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320 // ----------------------------------------------------------------------------- |
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321 // CIHLBitmap::FrameIndex |
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322 // ----------------------------------------------------------------------------- |
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323 TInt CIHLBitmap::EditorValue() const |
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324 { |
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325 return iEditorValue; |
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326 } |
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327 |
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328 // Private methods |
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329 // ----------------------------------------------------------------------------- |
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330 // CIHLBitmap::CopyBitmap |
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331 // ----------------------------------------------------------------------------- |
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332 TInt CIHLBitmap::CopyBitmap( const CFbsBitmap& aSource, CFbsBitmap& aDestination ) |
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333 { |
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334 TSize size( aSource.SizeInPixels() ); |
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335 TDisplayMode displayMode( aSource.DisplayMode() ); |
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336 TInt err( aDestination.Create( size, displayMode ) ); |
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337 if( !err ) |
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338 { |
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339 err = CopyBitmapData( aSource, aDestination, size, displayMode ); |
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340 if( err ) |
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341 { |
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342 aDestination.Reset(); |
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343 } |
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344 } |
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345 return err; |
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346 } |
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347 |
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348 // ----------------------------------------------------------------------------- |
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349 // CIHLBitmap::CopyBitmapData |
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350 // ----------------------------------------------------------------------------- |
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351 TInt CIHLBitmap::CopyBitmapData( const CFbsBitmap& aSource, CFbsBitmap& aDestination, |
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352 const TSize& aSize, const TDisplayMode& aDisplayMode ) |
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353 { |
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354 HBufC8* scanLine = HBufC8::New( aSource.ScanLineLength( aSize.iWidth, aDisplayMode ) ); |
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355 if( scanLine ) |
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356 { |
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357 TPtr8 scanPtr( scanLine->Des() ); |
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358 TPoint pp; |
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359 for( pp.iY = 0; pp.iY < aSize.iHeight; ++pp.iY ) |
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360 { |
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361 aSource.GetScanLine( scanPtr, pp, aSize.iWidth, aDisplayMode ); |
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362 aDestination.SetScanLine( scanPtr, pp.iY ); |
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363 } |
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364 |
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365 delete scanLine; |
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366 return KErrNone; |
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367 } |
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368 return KErrNoMemory; // scanLine alloc failed |
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369 } |
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370 |
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371 // End of File |
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