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1 // Copyright (c) 1999-2009 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 <fbs.h> |
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17 #include <hal.h> |
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18 #include "WMFCodec.h" |
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19 |
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20 /* |
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21 Not supported: |
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22 0) Misc |
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23 // 0x0105 - SETRELABS |
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24 // 0x0231 - SETMAPPERFLAGS |
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25 // 0x0419 - FLOODFILL |
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26 // 0x0548 - EXTFLOODFILL |
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27 // 0x0626 - ESCAPE |
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28 // 0x0830 - CHORD |
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29 1) Blitting |
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30 // 0x0107 - SETSTRETCHBLTMODE |
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31 // 0x0922 - BITBLT |
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32 // 0x0940 - DIBBITBLT |
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33 // 0x0b23 - STRETCHBLT |
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34 // 0x0d33 - SETDIBTODEV |
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35 2) Clipping |
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36 // 0x0220 - OFFSETCLIPRGN |
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37 // 0x0415 - EXCLUDECLIPRECT |
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38 3) Palettes |
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39 // 0x0035 - REALIZEPALETTE |
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40 // 0x0037 - SETPALENTRIES |
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41 // 0x00f7 - CREATEPALETTE |
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42 // 0x0139 - RESIZEPALETTE |
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43 // 0x0234 - SELECTPALETTE |
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44 // 0x0436 - ANIMATEPALETTE |
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45 */ |
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46 |
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47 const TInt KFontNormalWeightLimit = 550; // Halfway between FW_NORMAL and FW_BOLD |
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48 const TInt KFontFixedPitch = 1; // FIXED_PITCH |
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49 const TInt KFontFamilyRoman = 1; // FF_ROMAN |
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50 const TInt KFontFamilySwiss = 2; // FF_SWISS |
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51 const TInt KFontFamilyMono = 3; // FF_MODERN |
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52 const TInt KFontFamilyScript = 4; // FF_SCRIPT |
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53 const TInt KFontFamilyDecorative = 5; // FF_DECORATIVE |
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54 |
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55 const TInt KExtTextOutFlagClipped = 4; // ETO_CLIPPED |
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56 |
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57 //const TInt KTextAlignFlagNoUpdateCP = 0; // EABI warning removal |
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58 //const TInt KTextAlignFlagUpdateCP = 1; // Not supported // EABI warning removal |
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59 //const TInt KTextAlignFlagLeft = 0; // EABI warning removal |
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60 const TInt KTextAlignFlagRight = 2; |
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61 const TInt KTextAlignFlagCenter = 6; |
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62 //const TInt KTextAlignFlagTop = 0; // EABI warning removal |
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63 const TInt KTextAlignFlagBottom = 8; |
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64 const TInt KTextAlignFlagBaseline = 24; |
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65 |
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66 const TInt KTextAlignMaskHorz = 6; |
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67 const TInt KTextAlignMaskVert = 24; |
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68 |
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69 const TUint KMaxProcessTime = 175000; //limit DoProcessL() to 175ms for liveliness |
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70 |
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71 // Wrapper class for drawing to the bitmap. |
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72 // All drawing operations go through this class. |
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73 CFbsBitGcWrapper* CFbsBitGcWrapper::NewL(CFbsDevice& aDevice, CFbsBitGcWrapper* aGc) |
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74 { |
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75 CFbsBitGcWrapper* self = new(ELeave) CFbsBitGcWrapper; |
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76 |
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77 CleanupStack::PushL(self); |
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78 self->ConstructL(aDevice, aGc); |
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79 CleanupStack::Pop(self); |
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80 return self; |
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81 } |
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82 |
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83 CFbsBitGcWrapper::CFbsBitGcWrapper(): |
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84 iBrushColor(KRgbWhite), |
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85 iBrushStyle(CGraphicsContext::ENullBrush), |
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86 iPenColor(KRgbBlack), |
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87 iPenStyle(CGraphicsContext::ESolidPen), |
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88 iPenSize(1,1), |
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89 iTextColor(KRgbBlack), |
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90 iBackgroundColor(KRgbWhite) |
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91 {} |
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92 |
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93 void CFbsBitGcWrapper::ConstructL(CFbsDevice& aDevice, CFbsBitGcWrapper* aGc) |
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94 { |
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95 User::LeaveIfError(aDevice.CreateContext(iGc)); |
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96 User::LeaveIfError(aDevice.CreateContext(iPolygonGc)); |
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97 if (aGc) |
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98 { |
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99 iGc->CopySettings(*(aGc->iGc)); |
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100 iGc->CancelClippingRegion(); |
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101 |
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102 iPolygonGc->CopySettings(*(aGc->iGc)); |
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103 iPolygonGc->CancelClippingRegion(); |
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104 |
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105 iBrushColor = aGc->iBrushColor; |
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106 iBrushStyle = aGc->iBrushStyle; |
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107 iPenColor = aGc->iPenColor; |
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108 iPenStyle = aGc->iPenStyle; |
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109 iPenSize = aGc->iPenSize; |
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110 |
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111 iTextColor = aGc->iTextColor; |
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112 iBackgroundColor = aGc->iBackgroundColor; |
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113 iPatternBrush = aGc->iPatternBrush; |
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114 } |
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115 } |
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116 |
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117 CFbsBitGcWrapper::~CFbsBitGcWrapper() |
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118 { |
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119 delete iGc; |
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120 delete iPolygonGc; |
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121 } |
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122 |
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123 void CFbsBitGcWrapper::SetPen(const CPen& aPen) |
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124 { |
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125 iPenStyle = aPen.iStyle; |
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126 iPenSize = aPen.iSize; |
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127 iPenColor = aPen.iColor; |
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128 |
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129 iGc->SetPenStyle(iPenStyle); |
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130 iGc->SetPenSize(iPenSize); |
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131 iGc->SetPenColor(iPenColor); |
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132 } |
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133 |
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134 void CFbsBitGcWrapper::SetBrush(CBrush& aBrush) |
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135 { |
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136 iBrushColor = aBrush.iColor; |
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137 iBrushStyle = aBrush.iStyle; |
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138 iPatternBrush = (iBrushStyle == CGraphicsContext::EPatternedBrush) ? static_cast<CPatternBrush*> (&aBrush) : NULL; |
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139 |
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140 iGc->SetBrushStyle(iBrushStyle); |
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141 iGc->SetBrushColor(iBrushColor); |
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142 } |
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143 |
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144 void CFbsBitGcWrapper::RestorePenAndBrush() |
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145 { |
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146 iGc->SetPenStyle(iPenStyle); |
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147 iGc->SetPenSize(iPenSize); |
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148 iGc->SetPenColor(iPenColor); |
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149 |
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150 iGc->SetBrushStyle(iBrushStyle); |
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151 iGc->SetBrushColor(iBrushColor); |
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152 } |
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153 |
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154 void CFbsBitGcWrapper::DrawPolygonL(const TPoint* aPointList,TInt aNumPoints,CGraphicsContext::TFillRule aFillRule) |
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155 { |
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156 RealizeBrush(); |
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157 if (iPenStyle == CGraphicsContext::ENullPen || iPenSize.iWidth == 0) |
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158 { |
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159 if (iBrushStyle != CGraphicsContext::ENullBrush) |
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160 { |
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161 iPolygonGc->CopySettings(*iGc); |
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162 iPolygonGc->CancelClippingRegion(); |
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163 |
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164 iPolygonGc->SetPenStyle(CGraphicsContext::ESolidPen); |
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165 iPolygonGc->SetPenSize(TSize(1,1)); |
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166 iPolygonGc->SetPenColor(iBrushColor); |
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167 |
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168 User::LeaveIfError(iPolygonGc->DrawPolygon(aPointList,aNumPoints,aFillRule)); |
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169 } |
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170 } |
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171 else |
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172 User::LeaveIfError(iGc->DrawPolygon(aPointList,aNumPoints,aFillRule)); |
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173 } |
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174 |
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175 const CFbsFont* CFbsBitGcWrapper::CurrentFont() |
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176 { |
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177 return iCurrentFont; |
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178 } |
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179 |
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180 void CFbsBitGcWrapper::Clear() |
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181 { |
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182 iGc->Clear(); |
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183 } |
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184 |
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185 void CFbsBitGcWrapper::SetUnderlineStyle(TFontUnderline aUnderlineStyle) |
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186 { |
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187 iGc->SetUnderlineStyle(aUnderlineStyle); |
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188 } |
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189 |
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190 void CFbsBitGcWrapper::SetStrikethroughStyle(TFontStrikethrough aStrikethroughStyle) |
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191 { |
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192 iGc->SetStrikethroughStyle(aStrikethroughStyle); |
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193 } |
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194 |
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195 void CFbsBitGcWrapper::UseFont(const CFbsFont* aFont) |
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196 { |
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197 iGc->UseFont(aFont); |
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198 iCurrentFont = aFont; |
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199 } |
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200 |
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201 void CFbsBitGcWrapper::SetClippingRegion(const TRegion* aRegion) |
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202 { |
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203 iGc->SetClippingRegion(aRegion); |
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204 } |
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205 |
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206 void CFbsBitGcWrapper::SetCharJustification(TInt aExcessWidth, TInt aNumGaps) |
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207 { |
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208 iGc->SetCharJustification(aExcessWidth, aNumGaps); |
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209 } |
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210 |
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211 void CFbsBitGcWrapper::SetWordJustification(TInt aExcessWidth, TInt aNumChars) |
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212 { |
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213 iGc->SetWordJustification(aExcessWidth, aNumChars); |
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214 } |
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215 |
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216 void CFbsBitGcWrapper::DrawLineTo(const TPoint& aPoint) |
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217 { |
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218 iGc->DrawLineTo(aPoint); |
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219 } |
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220 |
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221 void CFbsBitGcWrapper::MoveTo(const TPoint& aPoint) |
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222 { |
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223 iGc->MoveTo(aPoint); |
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224 } |
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225 |
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226 void CFbsBitGcWrapper::DrawPolyLine(const TPoint* aPointList, TInt aNumPoints) |
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227 { |
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228 iGc->DrawPolyLine(aPointList, aNumPoints); |
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229 } |
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230 |
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231 void CFbsBitGcWrapper::DrawEllipse(const TRect& aRect) |
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232 { |
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233 RealizeBrush(); |
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234 iGc->DrawEllipse(aRect); |
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235 } |
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236 |
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237 void CFbsBitGcWrapper::DrawRect(const TRect& aRect) |
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238 { |
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239 RealizeBrush(); |
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240 iGc->DrawRect(aRect); |
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241 } |
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242 |
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243 void CFbsBitGcWrapper::DrawRoundRect(const TRect& aRect, const TSize& aEllipse) |
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244 { |
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245 RealizeBrush(); |
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246 iGc->DrawRoundRect(aRect, aEllipse); |
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247 } |
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248 |
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249 void CFbsBitGcWrapper::SetPenStyle(CGraphicsContext::TPenStyle aPenStyle) |
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250 { |
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251 iGc->SetPenStyle(aPenStyle); |
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252 } |
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253 |
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254 void CFbsBitGcWrapper::SetBrushStyle(CGraphicsContext::TBrushStyle aBrushStyle) |
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255 { |
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256 iGc->SetBrushStyle(aBrushStyle); |
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257 } |
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258 |
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259 void CFbsBitGcWrapper::SetBrushColor(const TRgb& aColor) |
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260 { |
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261 iGc->SetBrushColor(aColor); |
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262 } |
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263 |
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264 void CFbsBitGcWrapper::SetDrawMode(CGraphicsContext::TDrawMode aDrawMode) |
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265 { |
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266 iGc->SetDrawMode(aDrawMode); |
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267 } |
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268 |
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269 void CFbsBitGcWrapper::SetPenColor(const TRgb& aColor) |
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270 { |
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271 iGc->SetPenColor(aColor); |
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272 } |
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273 |
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274 void CFbsBitGcWrapper::SetTextPenColor() |
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275 { |
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276 iGc->SetPenColor(iTextColor); |
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277 } |
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278 |
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279 void CFbsBitGcWrapper::Plot(const TPoint& aPoint) |
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280 { |
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281 iGc->Plot(aPoint); |
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282 } |
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283 |
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284 void CFbsBitGcWrapper::SetPenSize(const TSize& aSize) |
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285 { |
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286 iGc->SetPenSize(aSize); |
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287 } |
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288 |
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289 |
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290 void CFbsBitGcWrapper::DrawArc(const TRect& aRect, const TPoint& aStart, const TPoint& aEnd) |
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291 { |
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292 iGc->DrawArc(aRect, aStart, aEnd); |
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293 } |
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294 |
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295 void CFbsBitGcWrapper::DrawPie(const TRect& aRect, const TPoint& aStart, const TPoint& aEnd) |
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296 { |
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297 RealizeBrush(); |
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298 iGc->DrawPie(aRect, aStart, aEnd); |
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299 } |
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300 |
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301 void CFbsBitGcWrapper::DrawBitmap(const TRect& aDestRect, const CFbsBitmap* aSource, const TRect& aSourceRect) |
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302 { |
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303 iGc->DrawBitmap(aDestRect, aSource, aSourceRect); |
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304 } |
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305 |
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306 void CFbsBitGcWrapper::DrawText(const TDesC& aText,const TPoint& aPosition) |
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307 { |
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308 iGc->DrawText(aText, aPosition); |
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309 } |
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310 |
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311 void CFbsBitGcWrapper::UseBrushPattern(const CFbsBitmap* aPatternBitmap) |
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312 { |
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313 iGc->UseBrushPattern(aPatternBitmap); |
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314 } |
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315 |
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316 void CFbsBitGcWrapper::SetBackgroundColor(TRgb aBackgroundColor) |
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317 { |
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318 iBackgroundColor = aBackgroundColor; |
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319 } |
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320 |
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321 void CFbsBitGcWrapper::SetTextColor(TRgb aTextColor) |
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322 { |
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323 iTextColor = aTextColor; |
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324 } |
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325 |
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326 void CFbsBitGcWrapper::RealizeBrush() |
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327 { |
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328 if (iPatternBrush) |
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329 iPatternBrush->RealizeBrush(iTextColor, iBackgroundColor); |
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330 } |
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331 |
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332 // Wrapper class for drawing to the bitmap and mask. |
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333 // All drawing operations are performed through this class when mask generation is requested. |
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334 CFbsBitGcMaskWrapper* CFbsBitGcMaskWrapper::NewL(CFbsDevice& aDevice, CFbsDevice& aMaskDevice, CFbsBitGcMaskWrapper* aGc) |
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335 { |
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336 CFbsBitGcMaskWrapper* self = new(ELeave) CFbsBitGcMaskWrapper; |
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337 |
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338 CleanupStack::PushL(self); |
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339 self->ConstructL(aDevice, aMaskDevice, aGc); |
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340 CleanupStack::Pop(self); |
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341 return self; |
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342 } |
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343 |
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344 CFbsBitGcMaskWrapper::CFbsBitGcMaskWrapper() |
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345 { |
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346 } |
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347 |
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348 void CFbsBitGcMaskWrapper::ConstructL(CFbsDevice& aDevice, CFbsDevice& aMaskDevice, CFbsBitGcMaskWrapper* aGc) |
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349 { |
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350 CFbsBitGcWrapper::ConstructL(aDevice, aGc); |
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351 User::LeaveIfError(aMaskDevice.CreateContext(iMaskGc)); |
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352 User::LeaveIfError(aMaskDevice.CreateContext(iPolygonMaskGc)); |
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353 if (aGc) |
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354 { |
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355 iMaskGc->CopySettings(*(aGc->iMaskGc)); |
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356 iMaskGc->CancelClippingRegion(); |
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357 |
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358 iPolygonMaskGc->CopySettings(*(aGc->iMaskGc)); |
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359 iPolygonMaskGc->CancelClippingRegion(); |
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360 } |
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361 |
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362 // Set the pen color to white. |
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363 // (Ensures that all drawing operations will set pixels on the mask) |
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364 iMaskGc->SetPenColor(KRgbWhite); |
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365 iPolygonMaskGc->SetPenColor(KRgbWhite); |
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366 } |
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367 |
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368 CFbsBitGcMaskWrapper::~CFbsBitGcMaskWrapper() |
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369 { |
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370 delete iMaskGc; |
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371 delete iPolygonMaskGc; |
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372 } |
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373 |
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374 void CFbsBitGcMaskWrapper::SetPen(const CPen& aPen) |
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375 { |
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376 CFbsBitGcWrapper::SetPen(aPen); |
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377 |
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378 iMaskGc->SetPenStyle(iPenStyle); |
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379 iMaskGc->SetPenSize(iPenSize); |
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380 } |
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381 |
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382 void CFbsBitGcMaskWrapper::SetBrush(CBrush& aBrush) |
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383 { |
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384 CFbsBitGcWrapper::SetBrush(aBrush); |
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385 |
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386 if (!iPatternBrush) |
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387 iMaskGc->SetBrushStyle(iBrushStyle); |
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388 else |
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389 iMaskGc->SetBrushStyle(CGraphicsContext::ESolidBrush); |
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390 } |
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391 |
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392 void CFbsBitGcMaskWrapper::DrawPolygonL(const TPoint* aPointList,TInt aNumPoints,CGraphicsContext::TFillRule aFillRule) |
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393 { |
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394 CFbsBitGcWrapper::DrawPolygonL(aPointList, aNumPoints, aFillRule); |
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395 if (iPenStyle == CGraphicsContext::ENullPen || iPenSize.iWidth == 0) |
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396 { |
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397 if (iBrushStyle != CGraphicsContext::ENullBrush) |
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398 { |
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399 iPolygonMaskGc->CopySettings(*iMaskGc); |
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400 iPolygonMaskGc->CancelClippingRegion(); |
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401 |
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402 iPolygonMaskGc->SetPenStyle(CGraphicsContext::ESolidPen); |
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403 iPolygonMaskGc->SetPenSize(TSize(1,1)); |
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404 |
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405 User::LeaveIfError(iPolygonMaskGc->DrawPolygon(aPointList,aNumPoints,aFillRule)); |
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406 } |
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407 } |
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408 else |
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409 User::LeaveIfError(iMaskGc->DrawPolygon(aPointList,aNumPoints,aFillRule)); |
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410 } |
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411 |
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412 void CFbsBitGcMaskWrapper::Clear() |
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413 { |
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414 CFbsBitGcWrapper::Clear(); |
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415 |
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416 // Clear the mask to black. |
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417 iMaskGc->SetBrushColor(KRgbBlack); |
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418 iMaskGc->Clear(); |
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419 |
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420 // Reset the brush color to white. |
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421 iMaskGc->SetBrushColor(KRgbWhite); |
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422 } |
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423 |
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424 void CFbsBitGcMaskWrapper::SetUnderlineStyle(TFontUnderline aUnderlineStyle) |
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425 { |
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426 CFbsBitGcWrapper::SetUnderlineStyle(aUnderlineStyle); |
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427 iMaskGc->SetUnderlineStyle(aUnderlineStyle); |
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428 } |
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429 |
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430 void CFbsBitGcMaskWrapper::SetStrikethroughStyle(TFontStrikethrough aStrikethroughStyle) |
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431 { |
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432 CFbsBitGcWrapper::SetStrikethroughStyle(aStrikethroughStyle); |
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433 iMaskGc->SetStrikethroughStyle(aStrikethroughStyle); |
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434 } |
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435 |
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436 void CFbsBitGcMaskWrapper::UseFont(const CFbsFont* aFont) |
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437 { |
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438 CFbsBitGcWrapper::UseFont(aFont); |
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439 iMaskGc->UseFont(aFont); |
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440 } |
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441 |
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442 void CFbsBitGcMaskWrapper::SetClippingRegion(const TRegion* aRegion) |
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443 { |
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444 CFbsBitGcWrapper::SetClippingRegion(aRegion); |
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445 iMaskGc->SetClippingRegion(aRegion); |
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446 } |
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447 |
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448 void CFbsBitGcMaskWrapper::SetCharJustification(TInt aExcessWidth, TInt aNumGaps) |
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449 { |
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450 CFbsBitGcWrapper::SetCharJustification(aExcessWidth, aNumGaps); |
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451 iMaskGc->SetCharJustification(aExcessWidth, aNumGaps); |
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452 } |
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453 |
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454 void CFbsBitGcMaskWrapper::SetWordJustification(TInt aExcessWidth, TInt aNumChars) |
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455 { |
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456 CFbsBitGcWrapper::SetWordJustification(aExcessWidth, aNumChars); |
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457 iMaskGc->SetWordJustification(aExcessWidth, aNumChars); |
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458 } |
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459 |
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460 void CFbsBitGcMaskWrapper::DrawLineTo(const TPoint& aPoint) |
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461 { |
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462 CFbsBitGcWrapper::DrawLineTo(aPoint); |
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463 iMaskGc->DrawLineTo(aPoint); |
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464 } |
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465 |
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466 void CFbsBitGcMaskWrapper::MoveTo(const TPoint& aPoint) |
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467 { |
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468 CFbsBitGcWrapper::MoveTo(aPoint); |
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469 iMaskGc->MoveTo(aPoint); |
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470 } |
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471 |
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472 void CFbsBitGcMaskWrapper::DrawPolyLine(const TPoint* aPointList, TInt aNumPoints) |
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473 { |
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474 CFbsBitGcWrapper::DrawPolyLine(aPointList, aNumPoints); |
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475 iMaskGc->DrawPolyLine(aPointList, aNumPoints); |
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476 } |
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477 |
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478 void CFbsBitGcMaskWrapper::DrawEllipse(const TRect& aRect) |
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479 { |
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480 CFbsBitGcWrapper::DrawEllipse(aRect); |
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481 iMaskGc->DrawEllipse(aRect); |
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482 } |
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483 |
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484 void CFbsBitGcMaskWrapper::DrawRect(const TRect& aRect) |
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485 { |
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486 CFbsBitGcWrapper::DrawRect(aRect); |
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487 iMaskGc->DrawRect(aRect); |
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488 } |
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489 |
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490 void CFbsBitGcMaskWrapper::DrawRoundRect(const TRect& aRect, const TSize& aEllipse) |
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491 { |
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492 CFbsBitGcWrapper::DrawRoundRect(aRect, aEllipse); |
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493 iMaskGc->DrawRoundRect(aRect, aEllipse); |
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494 } |
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495 |
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496 void CFbsBitGcMaskWrapper::SetPenStyle(CGraphicsContext::TPenStyle aPenStyle) |
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497 { |
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498 CFbsBitGcWrapper::SetPenStyle(aPenStyle); |
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499 iMaskGc->SetPenStyle(aPenStyle); |
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500 } |
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501 |
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502 void CFbsBitGcMaskWrapper::SetBrushStyle(CGraphicsContext::TBrushStyle aBrushStyle) |
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503 { |
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504 CFbsBitGcWrapper::SetBrushStyle(aBrushStyle); |
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505 iMaskGc->SetBrushStyle(aBrushStyle); |
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506 } |
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507 |
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508 void CFbsBitGcMaskWrapper::SetDrawMode(CGraphicsContext::TDrawMode aDrawMode) |
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509 { |
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510 CFbsBitGcWrapper::SetDrawMode(aDrawMode); |
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511 } |
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512 |
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513 void CFbsBitGcMaskWrapper::Plot(const TPoint& aPoint) |
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514 { |
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515 CFbsBitGcWrapper::Plot(aPoint); |
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516 iMaskGc->Plot(aPoint); |
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517 } |
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518 |
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519 void CFbsBitGcMaskWrapper::SetPenSize(const TSize& aSize) |
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520 { |
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521 CFbsBitGcWrapper::SetPenSize(aSize); |
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522 iMaskGc->SetPenSize(aSize); |
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523 } |
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524 |
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525 void CFbsBitGcMaskWrapper::DrawArc(const TRect& aRect, const TPoint& aStart, const TPoint& aEnd) |
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526 { |
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527 CFbsBitGcWrapper::DrawArc(aRect, aStart, aEnd); |
|
528 iMaskGc->DrawArc(aRect, aStart, aEnd); |
|
529 } |
|
530 |
|
531 void CFbsBitGcMaskWrapper::DrawPie(const TRect& aRect, const TPoint& aStart, const TPoint& aEnd) |
|
532 { |
|
533 CFbsBitGcWrapper::DrawPie(aRect, aStart, aEnd); |
|
534 iMaskGc->DrawPie(aRect, aStart, aEnd); |
|
535 } |
|
536 |
|
537 void CFbsBitGcMaskWrapper::DrawBitmap(const TRect& aDestRect, const CFbsBitmap* aSource, const TRect& aSourceRect) |
|
538 { |
|
539 CFbsBitGcWrapper::DrawBitmap(aDestRect, aSource, aSourceRect); |
|
540 iMaskGc->Clear(aDestRect); |
|
541 } |
|
542 |
|
543 void CFbsBitGcMaskWrapper::DrawText(const TDesC& aText,const TPoint& aPosition) |
|
544 { |
|
545 CFbsBitGcWrapper::DrawText(aText, aPosition); |
|
546 iMaskGc->DrawText(aText, aPosition); |
|
547 } |
|
548 |
|
549 |
|
550 void CPen::Apply(CFbsBitGcWrapper* aGc) |
|
551 { |
|
552 aGc->SetPen(*this); |
|
553 } |
|
554 |
|
555 TInt CPen::Type() const |
|
556 { |
|
557 return KWmfGraphicsObjectPen; |
|
558 } |
|
559 |
|
560 void CDummyBrush::Apply(CFbsBitGcWrapper* /* aGc */) |
|
561 { |
|
562 } |
|
563 |
|
564 TInt CDummyBrush::Type() const |
|
565 { |
|
566 return KWmfGraphicsObjectDummyBrush; |
|
567 } |
|
568 |
|
569 void CBrush::Apply(CFbsBitGcWrapper* aGc) |
|
570 { |
|
571 aGc->SetBrush(*this); |
|
572 } |
|
573 |
|
574 TInt CBrush::Type() const |
|
575 { |
|
576 return KWmfGraphicsObjectBrush; |
|
577 } |
|
578 |
|
579 CPatternBrush* CPatternBrush::NewL() |
|
580 { |
|
581 CPatternBrush* self = new(ELeave) CPatternBrush; |
|
582 |
|
583 CleanupStack::PushL(self); |
|
584 self->ConstructL(); |
|
585 CleanupStack::Pop(self); |
|
586 return self; |
|
587 } |
|
588 |
|
589 void CPatternBrush::ConstructL() |
|
590 { |
|
591 iBitmap = new(ELeave) CFbsBitmap; |
|
592 } |
|
593 |
|
594 CPatternBrush::CPatternBrush() |
|
595 : iTextColor(KRgbWhite), iBackgroundColor(KRgbWhite) |
|
596 { |
|
597 iStyle = CGraphicsContext::EPatternedBrush; |
|
598 } |
|
599 |
|
600 CPatternBrush::~CPatternBrush() |
|
601 { |
|
602 delete iBitmap; |
|
603 delete[] iBitmapBits; |
|
604 } |
|
605 |
|
606 void CPatternBrush::Apply(CFbsBitGcWrapper* aGc) |
|
607 { |
|
608 aGc->UseBrushPattern(iBitmap); |
|
609 CBrush::Apply(aGc); |
|
610 } |
|
611 |
|
612 TInt CPatternBrush::Type() const |
|
613 { |
|
614 return KWmfGraphicsObjectPatternBrush; |
|
615 } |
|
616 |
|
617 void CPatternBrush::SetBitmapBits(TUint8* aBitmapBits) |
|
618 { |
|
619 iBitmapBits = aBitmapBits; |
|
620 } |
|
621 |
|
622 void CPatternBrush::RealizeBrush(TRgb aTextColor, TRgb aBackgroundColor) |
|
623 { |
|
624 if (!iBitmapBits) |
|
625 return; |
|
626 |
|
627 if ((aTextColor == iTextColor) && (aBackgroundColor == iBackgroundColor)) |
|
628 return; |
|
629 |
|
630 iTextColor = aTextColor; |
|
631 iBackgroundColor = aBackgroundColor; |
|
632 |
|
633 TInt width = iBitmap->SizeInPixels().iWidth; |
|
634 TInt height = iBitmap->SizeInPixels().iHeight; |
|
635 TInt padding = ((width + 31) & ~31) - width; |
|
636 TUint pixelMask = 0x80; |
|
637 TUint8* bytePtr = iBitmapBits; |
|
638 TBitmapUtil util(iBitmap); |
|
639 for (TInt y = height - 1; y >= 0; y--) |
|
640 { |
|
641 util.Begin(TPoint(0,y)); |
|
642 |
|
643 TInt x; |
|
644 for (x = 0; x < width; x++) |
|
645 { |
|
646 TRgb color((bytePtr[0] & pixelMask) ? iBackgroundColor : iTextColor); |
|
647 util.SetPixel(color.Color64K()); |
|
648 util.IncXPos(); |
|
649 |
|
650 pixelMask >>= 1; |
|
651 if (pixelMask == 0) |
|
652 { |
|
653 pixelMask = 0x80; |
|
654 bytePtr++; |
|
655 } |
|
656 } |
|
657 |
|
658 for (x = 0 ; x<padding ; x++) |
|
659 { |
|
660 pixelMask >>= 1; |
|
661 if (pixelMask == 0) |
|
662 { |
|
663 pixelMask = 0x80; |
|
664 bytePtr++; |
|
665 } |
|
666 } |
|
667 |
|
668 util.End(); |
|
669 } |
|
670 } |
|
671 |
|
672 CFbsBitmap* CPatternBrush::Bitmap() |
|
673 { |
|
674 return iBitmap; |
|
675 } |
|
676 |
|
677 |
|
678 CFontObject::CFontObject(CFbsDevice& aDevice,CFbsFont& aFont,TBool aUnderline,TBool aStrikeOut): |
|
679 iDevice(aDevice), |
|
680 iFont(aFont), |
|
681 iUnderline(aUnderline ? EUnderlineOn : EUnderlineOff), |
|
682 iStrikeOut(aStrikeOut ? EStrikethroughOn : EStrikethroughOff) |
|
683 {} |
|
684 |
|
685 CFontObject::~CFontObject() |
|
686 { |
|
687 iDevice.ReleaseFont(&iFont); |
|
688 } |
|
689 |
|
690 void CFontObject::Apply(CFbsBitGcWrapper* aGc) |
|
691 { |
|
692 aGc->SetUnderlineStyle(iUnderline); |
|
693 aGc->SetStrikethroughStyle(iStrikeOut); |
|
694 aGc->UseFont(&iFont); |
|
695 } |
|
696 |
|
697 TInt CFontObject::Type() const |
|
698 { |
|
699 return KWmfGraphicsObjectFont; |
|
700 } |
|
701 |
|
702 |
|
703 CRectRegion::CRectRegion(CFbsDevice& aDevice, TRegion& aClipRegion, TInt aLeft, TInt aTop, TInt aRight, TInt aBottom): |
|
704 iRect(aLeft, aTop, aRight, aBottom), iDevice(aDevice), iClipRegion(aClipRegion) |
|
705 {} |
|
706 |
|
707 void CRectRegion::Apply(CFbsBitGcWrapper* aGc) |
|
708 { |
|
709 iClipRegion.Clear(); |
|
710 TRect bitmapRect(iDevice.SizeInPixels()); |
|
711 iClipRegion.AddRect(bitmapRect); |
|
712 |
|
713 TRegionFix<1> rectRegion; |
|
714 rectRegion.AddRect(iRect); |
|
715 |
|
716 iClipRegion.Intersect(rectRegion); |
|
717 aGc->SetClippingRegion(&iClipRegion); |
|
718 } |
|
719 |
|
720 TInt CRectRegion::Type() const |
|
721 { |
|
722 return KWmfGraphicsObjectRegion; |
|
723 } |
|
724 |
|
725 |
|
726 void CPaletteObject::Apply(CFbsBitGcWrapper* /* aGc */) |
|
727 { |
|
728 } |
|
729 |
|
730 TInt CPaletteObject::Type() const |
|
731 { |
|
732 return KWmfGraphicsObjectPalette; |
|
733 } |
|
734 |
|
735 |
|
736 // |
|
737 // CWmfReadCodec |
|
738 // |
|
739 |
|
740 CWmfReadCodec::CWmfReadCodec(TInt aWordsExpected) |
|
741 : iWordsExpected(aWordsExpected) |
|
742 { |
|
743 } |
|
744 |
|
745 CWmfReadCodec::~CWmfReadCodec() |
|
746 { |
|
747 delete[] iPointArray; |
|
748 iSavedGcStack.ResetAndDestroy(); |
|
749 |
|
750 for (TInt index = 0; index < KWmfMaxGraphicsObjectCount; index++) |
|
751 delete iGraphicsObject[index]; |
|
752 |
|
753 delete iDefaultPen; |
|
754 delete iDefaultBrush; |
|
755 delete iGc; |
|
756 delete iDevice; |
|
757 delete iMaskDevice; |
|
758 delete[] iAccumulator; |
|
759 } |
|
760 |
|
761 CWmfReadCodec* CWmfReadCodec::NewL(TInt aWordsExpected) |
|
762 { |
|
763 CWmfReadCodec* self = new(ELeave) CWmfReadCodec(aWordsExpected); |
|
764 CleanupStack::PushL(self); |
|
765 self->ConstructL(); |
|
766 CleanupStack::Pop(self); |
|
767 return self; |
|
768 } |
|
769 |
|
770 void CWmfReadCodec::ConstructL() |
|
771 { |
|
772 CImageReadCodec::ConstructL(); |
|
773 |
|
774 iDefaultPen = new(ELeave) CPen; |
|
775 iDefaultBrush = new(ELeave) CBrush; |
|
776 } |
|
777 |
|
778 void CWmfReadCodec::InitFrameL(TFrameInfo& aFrameInfo, CFrameImageData& /*aFrameImageData*/, TBool /*aDisableErrorDiffusion*/, CFbsBitmap& aBitmap, CFbsBitmap* aDestinationMask) |
|
779 { |
|
780 iWordsProcessed = 0; |
|
781 |
|
782 for (TInt index = 0; index < KWmfMaxGraphicsObjectCount; index++) |
|
783 { |
|
784 delete iGraphicsObject[index]; |
|
785 iGraphicsObject[index] = NULL; |
|
786 } |
|
787 |
|
788 delete iGc; iGc = NULL; |
|
789 delete iDevice; iDevice = NULL; |
|
790 delete iMaskDevice; iMaskDevice = NULL; |
|
791 iDevice = CFbsBitmapDevice::NewL(&aBitmap); |
|
792 |
|
793 if ((aFrameInfo.iFlags & TFrameInfo::ETransparencyPossible) && aDestinationMask) |
|
794 { |
|
795 iMaskDevice = CFbsBitmapDevice::NewL(aDestinationMask); |
|
796 iGc = CFbsBitGcMaskWrapper::NewL(*iDevice, *iMaskDevice); |
|
797 } |
|
798 else |
|
799 { |
|
800 iGc = CFbsBitGcWrapper::NewL(*iDevice); |
|
801 } |
|
802 |
|
803 if ((aFrameInfo.iFlags & TFrameInfo::ETransparencyPossible) && !aDestinationMask && aBitmap.DisplayMode() == EColor16MA) |
|
804 { |
|
805 // Special case of single 16MA destination bitmap. |
|
806 const TRgb transparentBlack(0x000000, 0x00); |
|
807 ClearBitmapL(aBitmap, transparentBlack); |
|
808 } |
|
809 else |
|
810 { |
|
811 iGc->Clear(); // Ensure bitmap is cleared. (Also clear the mask if we are generating one) |
|
812 } |
|
813 |
|
814 iBkModeOpaque = EFalse; |
|
815 iMapMode = EMapModeTEXT; |
|
816 iWindowOrg.SetXY(0,0); |
|
817 iWindowExt = aBitmap.SizeInPixels(); |
|
818 iViewportOrg.SetXY(0,0); |
|
819 iViewportExt = iWindowExt; |
|
820 |
|
821 iClipRegion.Clear(); |
|
822 TRect bitmapRect(iDevice->SizeInPixels()); |
|
823 iClipRegion.AddRect(bitmapRect); |
|
824 |
|
825 iFillRule = CGraphicsContext::EAlternate; |
|
826 |
|
827 delete[] iAccumulator; iAccumulator = NULL; |
|
828 iAccumulatorPtr = NULL; |
|
829 iAccumulatorSizeInWords = 0; |
|
830 iLookingForRecord = ETrue; |
|
831 iRecordSizeInWords = 0; |
|
832 iFunction = 0; |
|
833 iWordsToRead = 0; |
|
834 iFinished = EFalse; |
|
835 } |
|
836 |
|
837 TFrameState CWmfReadCodec::ProcessFrameL(TBufPtr8& aSrc) |
|
838 { |
|
839 TUint16* startDataPtr = REINTERPRET_CAST(TUint16*,&aSrc[0]); |
|
840 TUint16* dataPtr = startDataPtr; |
|
841 TUint16* dataPtrLimit = dataPtr + Min(TInt(aSrc.Length() / sizeof(TUint16)),iWordsExpected - iWordsProcessed); |
|
842 |
|
843 DoProcessL(dataPtr,dataPtrLimit); |
|
844 |
|
845 TInt wordsUsed = dataPtr - startDataPtr; |
|
846 aSrc.Shift(wordsUsed * sizeof(TUint16)); |
|
847 iWordsProcessed += wordsUsed; |
|
848 |
|
849 if (iWordsProcessed >= iWordsExpected || iFinished) |
|
850 return EFrameComplete; |
|
851 |
|
852 return EFrameIncomplete; |
|
853 } |
|
854 |
|
855 void CWmfReadCodec::DoProcessL(TUint16*& aDataPtr,const TUint16* aDataPtrLimit) |
|
856 { |
|
857 const TUint16* safeDataPtrLimit = aDataPtrLimit - KWmfMinRecordSizeInWords; |
|
858 |
|
859 //Do not spend more than KMaxProcessTime here |
|
860 TInt systemTickPeriod; |
|
861 User::LeaveIfError(HAL::Get(HAL::ESystemTickPeriod,systemTickPeriod)); |
|
862 |
|
863 TUint currentTick = User::TickCount(); |
|
864 const TUint tickLimit = currentTick + (KMaxProcessTime / systemTickPeriod); |
|
865 |
|
866 //Disable tick check if tickLimit overflow |
|
867 TBool disableTickCheck = EFalse; |
|
868 if(tickLimit<=currentTick) |
|
869 disableTickCheck = ETrue; |
|
870 |
|
871 while (aDataPtr <= aDataPtrLimit && (disableTickCheck || currentTick < tickLimit)) |
|
872 { |
|
873 if (iLookingForRecord) // Find record |
|
874 { |
|
875 if (aDataPtr > safeDataPtrLimit) // Ensures that a record header can always be safely read |
|
876 return; |
|
877 |
|
878 iRecordSizeInWords = (aDataPtr[1] << 16) | aDataPtr[0]; |
|
879 if (iRecordSizeInWords < KWmfMinRecordSizeInWords || iRecordSizeInWords > iWordsExpected) |
|
880 User::Leave(KErrCorrupt); |
|
881 |
|
882 iFunction = aDataPtr[2]; |
|
883 |
|
884 iWordsToRead = iRecordSizeInWords - KWmfMinRecordSizeInWords; |
|
885 if (iWordsToRead > aDataPtrLimit - aDataPtr - KWmfMinRecordSizeInWords) // Check to see if we need to accumulate data |
|
886 { |
|
887 if (iWordsToRead > iAccumulatorSizeInWords) |
|
888 { |
|
889 delete[] iAccumulator; |
|
890 iAccumulator = NULL; |
|
891 iAccumulatorSizeInWords = 0; |
|
892 |
|
893 iAccumulator = new(ELeave) TUint16[iWordsToRead]; |
|
894 iAccumulatorSizeInWords = iWordsToRead; |
|
895 } |
|
896 |
|
897 iAccumulatorPtr = iAccumulator; |
|
898 } |
|
899 else |
|
900 iAccumulatorPtr = NULL; |
|
901 |
|
902 aDataPtr += KWmfMinRecordSizeInWords; |
|
903 iLookingForRecord = EFalse; |
|
904 } |
|
905 else if (iFunction == KWmfTerminateFunction) // Finished |
|
906 { |
|
907 iFinished = ETrue; |
|
908 return; |
|
909 } |
|
910 else if (iAccumulatorPtr && iWordsToRead > 0) // Accumulate data |
|
911 { |
|
912 const TInt wordsToAccumulate = Min(iWordsToRead,aDataPtrLimit - aDataPtr); |
|
913 Mem::Copy(iAccumulatorPtr,aDataPtr,wordsToAccumulate * sizeof(TUint16)); |
|
914 aDataPtr += wordsToAccumulate; |
|
915 iAccumulatorPtr += wordsToAccumulate; |
|
916 iWordsToRead -= wordsToAccumulate; |
|
917 |
|
918 if (iWordsToRead > 0) |
|
919 return; |
|
920 } |
|
921 else // Process data |
|
922 { |
|
923 TUint16* dataPtr = iAccumulatorPtr ? iAccumulator : aDataPtr; |
|
924 |
|
925 if (iFunction < 0x0230) |
|
926 { |
|
927 if (iFunction < 0x0130) |
|
928 DoProcess00L(iFunction,dataPtr); |
|
929 else |
|
930 DoProcess01L(iFunction,dataPtr); |
|
931 } |
|
932 else |
|
933 { |
|
934 if (iFunction < 0x500) |
|
935 DoProcess10L(iFunction,dataPtr); |
|
936 else |
|
937 DoProcess11L(iFunction,dataPtr); |
|
938 } |
|
939 |
|
940 if (iAccumulatorPtr) |
|
941 { |
|
942 if (iAccumulatorSizeInWords > 0x800) |
|
943 { |
|
944 delete[] iAccumulator; |
|
945 iAccumulator = NULL; |
|
946 iAccumulatorSizeInWords = 0; |
|
947 } |
|
948 |
|
949 iAccumulatorPtr = NULL; |
|
950 } |
|
951 else |
|
952 aDataPtr += iWordsToRead; |
|
953 |
|
954 iLookingForRecord = ETrue; |
|
955 } |
|
956 currentTick = User::TickCount(); |
|
957 } |
|
958 } |
|
959 |
|
960 void CWmfReadCodec::DoProcess00L(TInt aFunction,TUint16* aArgPtr) |
|
961 { |
|
962 if (aFunction < 0x0107) |
|
963 { |
|
964 if (aFunction < 0x0103) |
|
965 DoProcess0000L(aFunction,aArgPtr); |
|
966 else |
|
967 DoProcess0001L(aFunction,aArgPtr); |
|
968 } |
|
969 else |
|
970 { |
|
971 if (aFunction < 0x012b) |
|
972 DoProcess0010L(aFunction,aArgPtr); |
|
973 else |
|
974 DoProcess0011L(aFunction,aArgPtr); |
|
975 } |
|
976 } |
|
977 |
|
978 void CWmfReadCodec::DoProcess01L(TInt aFunction,TUint16* aArgPtr) |
|
979 { |
|
980 if (aFunction < 0x020d) |
|
981 { |
|
982 if (aFunction < 0x0205) |
|
983 DoProcess0100L(aFunction,aArgPtr); |
|
984 else |
|
985 DoProcess0101L(aFunction,aArgPtr); |
|
986 } |
|
987 else |
|
988 { |
|
989 if (aFunction < 0x0212) |
|
990 DoProcess0110L(aFunction,aArgPtr); |
|
991 else |
|
992 DoProcess0111L(aFunction,aArgPtr); |
|
993 } |
|
994 } |
|
995 |
|
996 void CWmfReadCodec::DoProcess10L(TInt aFunction,TUint16* aArgPtr) |
|
997 { |
|
998 if (aFunction < 0x0413) |
|
999 { |
|
1000 if (aFunction < 0x0300) |
|
1001 DoProcess1000L(aFunction,aArgPtr); |
|
1002 else |
|
1003 DoProcess1001L(aFunction,aArgPtr); |
|
1004 } |
|
1005 else |
|
1006 { |
|
1007 if (aFunction < 0x041a) |
|
1008 DoProcess1010L(aFunction,aArgPtr); |
|
1009 else |
|
1010 DoProcess1011L(aFunction,aArgPtr); |
|
1011 } |
|
1012 } |
|
1013 |
|
1014 void CWmfReadCodec::DoProcess11L(TInt aFunction,TUint16* aArgPtr) |
|
1015 { |
|
1016 if (aFunction < 0x0820) |
|
1017 { |
|
1018 if (aFunction < 0x0620) |
|
1019 DoProcess1100L(aFunction,aArgPtr); |
|
1020 else |
|
1021 DoProcess1101L(aFunction,aArgPtr); |
|
1022 } |
|
1023 else |
|
1024 { |
|
1025 if (aFunction < 0x0b00) |
|
1026 DoProcess1110L(aFunction,aArgPtr); |
|
1027 else |
|
1028 DoProcess1111L(aFunction,aArgPtr); |
|
1029 } |
|
1030 } |
|
1031 |
|
1032 void CWmfReadCodec::DoProcess0000L(TInt aFunction,TUint16* aArgPtr) |
|
1033 { |
|
1034 // Not supported: |
|
1035 // 0x0035 - REALIZEPALETTE |
|
1036 // 0x0037 - SETPALENTRIES |
|
1037 // 0x00f7 - CREATEPALETTE |
|
1038 |
|
1039 switch (aFunction) |
|
1040 { |
|
1041 case 0x001e: // SAVEDC |
|
1042 { |
|
1043 CFbsBitGcWrapper* gcCopy = CloneGcL(); |
|
1044 CleanupStack::PushL(gcCopy); |
|
1045 |
|
1046 User::LeaveIfError(iSavedGcStack.Append(gcCopy)); |
|
1047 CleanupStack::Pop(); // gcCopy |
|
1048 } |
|
1049 break; |
|
1050 case 0x00f7: // CREATEPALETTE |
|
1051 AddGraphicsObject(new(ELeave) CPaletteObject); |
|
1052 // Create the object to maintain the handle list |
|
1053 break; |
|
1054 case 0x0102: // SETBKMODE |
|
1055 // 1 = TRANSPARENT, 2 = OPAQUE |
|
1056 iBkModeOpaque = (aArgPtr[0] == 2); |
|
1057 break; |
|
1058 default: |
|
1059 break; |
|
1060 } |
|
1061 } |
|
1062 |
|
1063 void CWmfReadCodec::DoProcess0001L(TInt aFunction,TUint16* aArgPtr) |
|
1064 { |
|
1065 // Not supported: |
|
1066 // 0x0105 - SETRELABS |
|
1067 |
|
1068 switch (aFunction) |
|
1069 { |
|
1070 case 0x0103: // SETMAPMODE |
|
1071 iMapMode = TMapMode(aArgPtr[0]); |
|
1072 break; |
|
1073 case 0x0104: // SETROP2 |
|
1074 SetROP(iGc,aArgPtr[0]); |
|
1075 break; |
|
1076 case 0x0106: // SETPOLYFILLMODE |
|
1077 // 1 = ALTERNATE, 2 = WINDING |
|
1078 iFillRule = (aArgPtr[0] == 2) ? CGraphicsContext::EWinding : CGraphicsContext::EAlternate; |
|
1079 default: |
|
1080 break; |
|
1081 } |
|
1082 } |
|
1083 |
|
1084 void CWmfReadCodec::DoProcess0010L(TInt aFunction,TUint16* aArgPtr) |
|
1085 { |
|
1086 // Not supported: |
|
1087 // 0x0107 - SETSTRETCHBLTMODE |
|
1088 |
|
1089 switch (aFunction) |
|
1090 { |
|
1091 case 0x0108: // SETTEXTCHAREXTRA |
|
1092 { |
|
1093 const TInt extraSpace = LogicalSizeToDeviceSize(aArgPtr[0],ETrue); |
|
1094 if (extraSpace != 0) |
|
1095 { |
|
1096 const TInt numChars = KMaxTInt / extraSpace; // Choose a suitably high number of chars to keep the char spacing going |
|
1097 iGc->SetCharJustification(extraSpace * numChars,numChars); |
|
1098 } |
|
1099 } |
|
1100 break; |
|
1101 case 0x0127: // RESTOREDC |
|
1102 { |
|
1103 const TInt savedGcCount = iSavedGcStack.Count(); |
|
1104 if (savedGcCount > 0) |
|
1105 { |
|
1106 delete iGc; |
|
1107 iGc = iSavedGcStack[savedGcCount - 1]; |
|
1108 iSavedGcStack.Remove(savedGcCount - 1); |
|
1109 ASSERT(iGc); |
|
1110 } |
|
1111 } |
|
1112 break; |
|
1113 case 0x012a: // INVERTREGION |
|
1114 { |
|
1115 CGraphicsObject* object = GraphicsObject(aArgPtr[0]); |
|
1116 if (object && object->Type() == KWmfGraphicsObjectRegion) |
|
1117 { |
|
1118 CRectRegion* rectRgn = STATIC_CAST(CRectRegion*,object); |
|
1119 CFbsBitGcWrapper* gc = CloneGcL(); |
|
1120 |
|
1121 gc->SetPenStyle(CGraphicsContext::ENullPen); |
|
1122 gc->SetBrushStyle(CGraphicsContext::ESolidBrush); |
|
1123 gc->SetBrushColor(KRgbWhite); |
|
1124 gc->SetDrawMode(CGraphicsContext::EDrawModeXOR); |
|
1125 gc->DrawRect(rectRgn->iRect); |
|
1126 |
|
1127 delete gc; |
|
1128 } |
|
1129 } |
|
1130 break; |
|
1131 default: |
|
1132 break; |
|
1133 } |
|
1134 } |
|
1135 |
|
1136 void CWmfReadCodec::DoProcess0011L(TInt aFunction,TUint16* aArgPtr) |
|
1137 { |
|
1138 switch (aFunction) |
|
1139 { |
|
1140 case 0x012e: // SETTEXTALIGN |
|
1141 iTextAlignFlags = aArgPtr[0]; |
|
1142 break; |
|
1143 case 0x012b: // PAINTREGION |
|
1144 { |
|
1145 CGraphicsObject* object = GraphicsObject(aArgPtr[0]); |
|
1146 if (object && object->Type() == KWmfGraphicsObjectRegion) |
|
1147 { |
|
1148 CRectRegion* rectRgn = STATIC_CAST(CRectRegion*,object); |
|
1149 CFbsBitGcWrapper* gc = CloneGcL(); |
|
1150 |
|
1151 gc->SetPenStyle(CGraphicsContext::ENullPen); |
|
1152 gc->DrawRect(rectRgn->iRect); |
|
1153 |
|
1154 delete gc; |
|
1155 } |
|
1156 } |
|
1157 break; |
|
1158 case 0x012c: // SELECTCLIPREGION |
|
1159 case 0x012d: // SELECTOBJECT |
|
1160 { |
|
1161 CGraphicsObject* object = GraphicsObject(aArgPtr[0]); |
|
1162 if (object) |
|
1163 object->Apply(iGc); |
|
1164 } |
|
1165 break; |
|
1166 default: |
|
1167 break; |
|
1168 } |
|
1169 } |
|
1170 |
|
1171 void CWmfReadCodec::DoProcess0100L(TInt aFunction,TUint16* aArgPtr) |
|
1172 { |
|
1173 // Not supported: |
|
1174 // 0x0139 - RESIZEPALETTE |
|
1175 |
|
1176 switch (aFunction) |
|
1177 { |
|
1178 case 0x01f9: // CREATEPATTERNBRUSH |
|
1179 case 0x0142: // DIBCREATEPATTERNBRUSH |
|
1180 { |
|
1181 CPatternBrush* patternBrush = CPatternBrush::NewL(); |
|
1182 |
|
1183 TInt err = ExtractDib(aArgPtr + 2, patternBrush); |
|
1184 if (err == KErrNone) |
|
1185 AddGraphicsObject(patternBrush); |
|
1186 else |
|
1187 { |
|
1188 // Coverity reports a leave_without_push error here because |
|
1189 // CPatternBrush has a CFbsBitmap member which can panic |
|
1190 // during its destructor. The panic has a trapped leave and |
|
1191 // for some reason coverity does not recognise it. |
|
1192 // Mark as false positive |
|
1193 // coverity[leave_without_push : FALSE] |
|
1194 delete patternBrush; |
|
1195 |
|
1196 if (err == KErrNotSupported) // Ignore KErrNotSupported |
|
1197 AddGraphicsObject(new(ELeave) CDummyBrush); // Create the object to maintain the handle list |
|
1198 else |
|
1199 User::Leave(err); |
|
1200 } |
|
1201 } |
|
1202 break; |
|
1203 case 0x01f0: // DELETEOBJECT |
|
1204 RemoveGraphicsObject(aArgPtr[0]); |
|
1205 break; |
|
1206 case 0x0201: // SETBKCOLOR |
|
1207 iGc->SetBackgroundColor(ExtractColor(aArgPtr)); |
|
1208 break; |
|
1209 default: |
|
1210 break; |
|
1211 } |
|
1212 } |
|
1213 |
|
1214 void CWmfReadCodec::DoProcess0101L(TInt aFunction,TUint16* aArgPtr) |
|
1215 { |
|
1216 switch (aFunction) |
|
1217 { |
|
1218 case 0x0209: // SETTEXTCOLOR |
|
1219 iGc->SetTextColor(ExtractColor(aArgPtr)); |
|
1220 break; |
|
1221 case 0x020a: // SETTEXTJUSTIFICATION |
|
1222 iGc->SetWordJustification(LogicalSizeToDeviceSize(aArgPtr[1],ETrue),aArgPtr[0]); |
|
1223 break; |
|
1224 case 0x020b: // SETWINDOWORG |
|
1225 iWindowOrg.SetXY(REINTERPRET_CAST(TInt16*,aArgPtr)[1],REINTERPRET_CAST(TInt16*,aArgPtr)[0]); |
|
1226 break; |
|
1227 case 0x020c: // SETWINDOWEXT |
|
1228 iWindowExt.SetSize(REINTERPRET_CAST(TInt16*,aArgPtr)[1],REINTERPRET_CAST(TInt16*,aArgPtr)[0]); |
|
1229 break; |
|
1230 default: |
|
1231 break; |
|
1232 } |
|
1233 } |
|
1234 |
|
1235 void CWmfReadCodec::DoProcess0110L(TInt aFunction,TUint16* aArgPtr) |
|
1236 { |
|
1237 switch (aFunction) |
|
1238 { |
|
1239 case 0x020d: // SETVIEWPORTORG |
|
1240 if (iIgnoreViewportMetaData == EFalse) |
|
1241 iViewportOrg.SetXY(REINTERPRET_CAST(TInt16*,aArgPtr)[1],REINTERPRET_CAST(TInt16*,aArgPtr)[0]); |
|
1242 break; |
|
1243 case 0x020e: // SETVIEWPORTEXT |
|
1244 if (iIgnoreViewportMetaData == EFalse) |
|
1245 iViewportExt.SetSize(REINTERPRET_CAST(TInt16*,aArgPtr)[1],REINTERPRET_CAST(TInt16*,aArgPtr)[0]); |
|
1246 break; |
|
1247 case 0x020f: // OFFSETWINDOWORG |
|
1248 iWindowOrg += TPoint(REINTERPRET_CAST(TInt16*,aArgPtr)[1],REINTERPRET_CAST(TInt16*,aArgPtr)[0]); |
|
1249 break; |
|
1250 case 0x0211: // OFFSETVIEWPORTORG |
|
1251 if (iIgnoreViewportMetaData == EFalse) |
|
1252 iViewportOrg += TPoint(REINTERPRET_CAST(TInt16*,aArgPtr)[1],REINTERPRET_CAST(TInt16*,aArgPtr)[0]); |
|
1253 break; |
|
1254 default: |
|
1255 break; |
|
1256 } |
|
1257 } |
|
1258 |
|
1259 void CWmfReadCodec::DoProcess0111L(TInt aFunction,TUint16* aArgPtr) |
|
1260 { |
|
1261 // Not supported: |
|
1262 // 0x0220 - OFFSETCLIPRGN |
|
1263 |
|
1264 switch (aFunction) |
|
1265 { |
|
1266 case 0x0213: // LINETO |
|
1267 iGc->DrawLineTo(ExtractPoint(aArgPtr,EFalse)); |
|
1268 break; |
|
1269 case 0x0214: // MOVETO |
|
1270 iGc->MoveTo(ExtractPoint(aArgPtr,EFalse)); |
|
1271 break; |
|
1272 case 0x0228: // FILLREGION |
|
1273 { |
|
1274 CGraphicsObject* regionObject = GraphicsObject(aArgPtr[0]); |
|
1275 CGraphicsObject* brushObject = GraphicsObject(aArgPtr[1]); |
|
1276 if (regionObject && (regionObject->Type() == KWmfGraphicsObjectRegion) |
|
1277 && brushObject && ((brushObject->Type() == KWmfGraphicsObjectBrush) || (brushObject->Type() == KWmfGraphicsObjectPatternBrush))) |
|
1278 { |
|
1279 CRectRegion* rectRgn = STATIC_CAST(CRectRegion*,regionObject); |
|
1280 CFbsBitGcWrapper* gc = CloneGcL(); |
|
1281 |
|
1282 gc->SetPenStyle(CGraphicsContext::ENullPen); |
|
1283 brushObject->Apply(iGc); |
|
1284 gc->DrawRect(rectRgn->iRect); |
|
1285 |
|
1286 delete gc; |
|
1287 } |
|
1288 } |
|
1289 break; |
|
1290 default: |
|
1291 break; |
|
1292 } |
|
1293 } |
|
1294 |
|
1295 void CWmfReadCodec::DoProcess1000L(TInt aFunction,TUint16* aArgPtr) |
|
1296 { |
|
1297 // Not supported: |
|
1298 // 0x0231 - SETMAPPERFLAGS |
|
1299 // 0x0234 - SELECTPALETTE |
|
1300 |
|
1301 switch (aFunction) |
|
1302 { |
|
1303 case 0x02fa: // CREATEPENINDIRECT |
|
1304 { |
|
1305 TInt style = aArgPtr[0]; |
|
1306 |
|
1307 CPen* pen = NULL; |
|
1308 |
|
1309 if (iDefaultPen) |
|
1310 { |
|
1311 pen = iDefaultPen; |
|
1312 iDefaultPen = NULL; |
|
1313 } |
|
1314 else |
|
1315 pen = new(ELeave) CPen; |
|
1316 |
|
1317 switch (style) |
|
1318 { |
|
1319 case 0: // PS_SOLID |
|
1320 pen->iStyle = CGraphicsContext::ESolidPen; |
|
1321 break; |
|
1322 case 1: // PS_DASH |
|
1323 pen->iStyle = CGraphicsContext::EDashedPen; |
|
1324 break; |
|
1325 case 2: // PS_DOT |
|
1326 pen->iStyle = CGraphicsContext::EDottedPen; |
|
1327 break; |
|
1328 case 3: // PS_DASHDOT |
|
1329 pen->iStyle = CGraphicsContext::EDotDashPen; |
|
1330 break; |
|
1331 case 4: // PS_DASHDOTDOT |
|
1332 pen->iStyle = CGraphicsContext::EDotDotDashPen; |
|
1333 break; |
|
1334 case 5: // PS_NULL |
|
1335 pen->iStyle = CGraphicsContext::ENullPen; |
|
1336 break; |
|
1337 case 6: // PS_INSIDEFRAME |
|
1338 case 7: // PS_USERSTYLE |
|
1339 case 8: // PS_ALTERNATE |
|
1340 default: |
|
1341 pen->iStyle = CGraphicsContext::ESolidPen; |
|
1342 break; |
|
1343 } |
|
1344 pen->iSize.iWidth = Max(LogicalSizeToDeviceSize(aArgPtr[1],ETrue),1); |
|
1345 pen->iSize.iHeight = Max(LogicalSizeToDeviceSize(aArgPtr[1],EFalse),1); |
|
1346 pen->iColor = ExtractColor(aArgPtr + 3); |
|
1347 |
|
1348 AddGraphicsObject(pen); |
|
1349 } |
|
1350 break; |
|
1351 case 0x02fb: // CREATEFONTINDIRECT |
|
1352 { |
|
1353 const TInt height = Abs(TInt((TInt16)aArgPtr[0])); |
|
1354 const TInt weight = Abs(TInt(aArgPtr[4])); |
|
1355 const TInt italic = Abs(aArgPtr[5] & 0xff); |
|
1356 const TInt underline = Abs(aArgPtr[5] >> 8); |
|
1357 const TInt strikeOut = Abs(aArgPtr[6] & 0xff); |
|
1358 const TInt pitchAndFamily = Abs(aArgPtr[8] >> 8); |
|
1359 |
|
1360 TFontSpec fontSpec; |
|
1361 fontSpec.iTypeface.SetIsProportional(((pitchAndFamily & 3) != KFontFixedPitch)); |
|
1362 |
|
1363 switch (pitchAndFamily >> 4) |
|
1364 { |
|
1365 case KFontFamilyRoman: |
|
1366 case KFontFamilyScript: |
|
1367 case KFontFamilyDecorative: |
|
1368 fontSpec.iTypeface.SetIsProportional(ETrue); |
|
1369 fontSpec.iTypeface.SetIsSerif(ETrue); |
|
1370 break; |
|
1371 case KFontFamilySwiss: |
|
1372 fontSpec.iTypeface.SetIsProportional(ETrue); |
|
1373 fontSpec.iTypeface.SetIsSerif(EFalse); |
|
1374 break; |
|
1375 case KFontFamilyMono: |
|
1376 fontSpec.iTypeface.SetIsProportional(EFalse); |
|
1377 fontSpec.iTypeface.SetIsSerif(ETrue); |
|
1378 break; |
|
1379 default: |
|
1380 break; |
|
1381 } |
|
1382 |
|
1383 const TInt fontHeight = LogicalSizeToDeviceSize(height,EFalse); |
|
1384 fontSpec.iHeight = Max(fontHeight,1); |
|
1385 |
|
1386 if (weight > KFontNormalWeightLimit) |
|
1387 fontSpec.iFontStyle.SetStrokeWeight(EStrokeWeightBold); |
|
1388 if (italic) |
|
1389 fontSpec.iFontStyle.SetPosture(EPostureItalic); |
|
1390 |
|
1391 CFbsFont* font = NULL; |
|
1392 User::LeaveIfError(iDevice->GetNearestFontInPixels(font,fontSpec)); |
|
1393 |
|
1394 CFontObject* fontObject = new CFontObject(*iDevice,*font,underline,strikeOut); |
|
1395 |
|
1396 if (!fontObject) |
|
1397 { |
|
1398 iDevice->ReleaseFont(font); |
|
1399 User::Leave(KErrNoMemory); |
|
1400 } |
|
1401 else |
|
1402 AddGraphicsObject(fontObject); |
|
1403 } |
|
1404 break; |
|
1405 case 0x02fc: // CREATEBRUSHINDIRECT |
|
1406 { |
|
1407 TInt style = aArgPtr[0]; |
|
1408 TInt hatch = aArgPtr[3]; |
|
1409 |
|
1410 CBrush* brush = NULL; |
|
1411 |
|
1412 if (iDefaultBrush) |
|
1413 { |
|
1414 brush = iDefaultBrush; |
|
1415 iDefaultBrush = NULL; |
|
1416 } |
|
1417 else |
|
1418 brush = new(ELeave) CBrush; |
|
1419 |
|
1420 switch (style) |
|
1421 { |
|
1422 case 0: // BS_SOLID |
|
1423 brush->iStyle = CGraphicsContext::ESolidBrush; |
|
1424 break; |
|
1425 case 1: // BS_NULL, BS_HOLLOW |
|
1426 brush->iStyle = CGraphicsContext::ENullBrush; |
|
1427 break; |
|
1428 case 2: // BS_HATCHED |
|
1429 switch (hatch) |
|
1430 { |
|
1431 case 0: // HS_HORIZONTAL |
|
1432 brush->iStyle = CGraphicsContext::EHorizontalHatchBrush; |
|
1433 break; |
|
1434 case 1: // HS_VERTICAL |
|
1435 brush->iStyle = CGraphicsContext::EVerticalHatchBrush; |
|
1436 break; |
|
1437 case 2: // HS_FDIAGONAL |
|
1438 brush->iStyle = CGraphicsContext::EForwardDiagonalHatchBrush; |
|
1439 break; |
|
1440 case 3: // HS_BDIAGONAL |
|
1441 brush->iStyle = CGraphicsContext::ERearwardDiagonalHatchBrush; |
|
1442 break; |
|
1443 case 4: // HS_CROSS |
|
1444 brush->iStyle = CGraphicsContext::ESquareCrossHatchBrush; |
|
1445 break; |
|
1446 case 5: // HS_DIAGCROSS |
|
1447 brush->iStyle = CGraphicsContext::EDiamondCrossHatchBrush; |
|
1448 break; |
|
1449 default: |
|
1450 brush->iStyle = CGraphicsContext::ESolidBrush; |
|
1451 break; |
|
1452 } |
|
1453 break; |
|
1454 case 3: // BS_PATTERN |
|
1455 case 4: // BS_INDEXED |
|
1456 case 5: // BS_DIBPATTERN |
|
1457 case 6: // BS_DIBPATTERNPT |
|
1458 case 7: // BS_PATTERN8X8 |
|
1459 case 8: // BS_DIBPATTERN8X8 |
|
1460 case 9: // BS_MONOPATTERN |
|
1461 default: |
|
1462 brush->iStyle = CGraphicsContext::ESolidBrush; |
|
1463 break; |
|
1464 } |
|
1465 brush->iColor = ExtractColor(aArgPtr + 1); |
|
1466 |
|
1467 AddGraphicsObject(brush); |
|
1468 } |
|
1469 break; |
|
1470 default: |
|
1471 break; |
|
1472 } |
|
1473 } |
|
1474 |
|
1475 void CWmfReadCodec::DoProcess1001L(TInt aFunction,TUint16* aArgPtr) |
|
1476 { |
|
1477 switch (aFunction) |
|
1478 { |
|
1479 case 0x0324: // POLYGON |
|
1480 case 0x0325: // POLYLINE |
|
1481 { |
|
1482 //check if the record size sufficient for polygon/polyline record. |
|
1483 if(iRecordSizeInWords < KWmfPolyRecordSizeInWords) |
|
1484 { |
|
1485 User::Leave(KErrCorrupt); |
|
1486 } |
|
1487 |
|
1488 const TInt numPoints = aArgPtr[0]; |
|
1489 if (numPoints <= 0) |
|
1490 break; |
|
1491 |
|
1492 //check if the entire data about polygon/polyline is within the record.Each point needs 2 words |
|
1493 if(iRecordSizeInWords < (KWmfPolyRecordSizeInWords + (numPoints * 2))) |
|
1494 { |
|
1495 User::Leave(KErrCorrupt); |
|
1496 } |
|
1497 |
|
1498 if (numPoints > iPointArrayEntries) |
|
1499 { |
|
1500 delete[] iPointArray; |
|
1501 iPointArray = NULL; |
|
1502 iPointArray = new(ELeave) TPoint[numPoints]; |
|
1503 iPointArrayEntries = numPoints; |
|
1504 } |
|
1505 |
|
1506 TUint16* pointPtr = aArgPtr + 1; |
|
1507 TPoint* pointArrayPtr = iPointArray; |
|
1508 |
|
1509 for (TInt count = 0; count < numPoints; count++) |
|
1510 { |
|
1511 *pointArrayPtr++ = ExtractPoint(pointPtr,ETrue); |
|
1512 pointPtr += 2; |
|
1513 } |
|
1514 |
|
1515 if (aFunction == 0x0324) // POLYGON |
|
1516 iGc->DrawPolygonL(iPointArray,numPoints,iFillRule); |
|
1517 else // POLYLINE |
|
1518 iGc->DrawPolyLine(iPointArray, numPoints); |
|
1519 } |
|
1520 break; |
|
1521 case 0x0410: // SCALEWINDOWEXT |
|
1522 { |
|
1523 TInt xMult = aArgPtr[3]; |
|
1524 TInt xDiv = aArgPtr[2]; |
|
1525 TInt yMult = aArgPtr[1]; |
|
1526 TInt yDiv = aArgPtr[0]; |
|
1527 |
|
1528 if (xDiv != 0) |
|
1529 iWindowExt.iWidth = (iWindowExt.iWidth * xMult) / xDiv; |
|
1530 if (yDiv != 0) |
|
1531 iWindowExt.iHeight = (iWindowExt.iHeight * yMult) / yDiv; |
|
1532 } |
|
1533 break; |
|
1534 case 0x0412: // SCALEVIEWPORTEXT |
|
1535 { |
|
1536 if (iIgnoreViewportMetaData == EFalse) |
|
1537 { |
|
1538 TInt xMult = aArgPtr[3]; |
|
1539 TInt xDiv = aArgPtr[2]; |
|
1540 TInt yMult = aArgPtr[1]; |
|
1541 TInt yDiv = aArgPtr[0]; |
|
1542 |
|
1543 if (xDiv != 0) |
|
1544 iViewportExt.iWidth = (iViewportExt.iWidth * xMult) / xDiv; |
|
1545 if (yDiv != 0) |
|
1546 iViewportExt.iHeight = (iViewportExt.iHeight * yMult) / yDiv; |
|
1547 } |
|
1548 } |
|
1549 break; |
|
1550 default: |
|
1551 break; |
|
1552 } |
|
1553 } |
|
1554 |
|
1555 void CWmfReadCodec::DoProcess1010L(TInt aFunction,TUint16* aArgPtr) |
|
1556 { |
|
1557 // Not supported: |
|
1558 // 0x0415 - EXCLUDECLIPRECT |
|
1559 // 0x0419 - FLOODFILL |
|
1560 |
|
1561 switch (aFunction) |
|
1562 { |
|
1563 case 0x0416: // INTERSECTCLIPRECT |
|
1564 { |
|
1565 iIntersectRegion.Clear(); |
|
1566 iIntersectRegion.AddRect(ExtractRect(aArgPtr)); |
|
1567 |
|
1568 iIntersectRegion.Intersect(iClipRegion); |
|
1569 iGc->SetClippingRegion(&iIntersectRegion); |
|
1570 } |
|
1571 break; |
|
1572 case 0x0418: // ELLIPSE |
|
1573 iGc->DrawEllipse(ExtractRect(aArgPtr)); |
|
1574 break; |
|
1575 default: |
|
1576 break; |
|
1577 } |
|
1578 } |
|
1579 |
|
1580 void CWmfReadCodec::DoProcess1011L(TInt aFunction,TUint16* aArgPtr) |
|
1581 { |
|
1582 // Not supported: |
|
1583 // 0x0436 - ANIMATEPALETTE |
|
1584 |
|
1585 switch (aFunction) |
|
1586 { |
|
1587 case 0x041b: // RECTANGLE |
|
1588 iGc->DrawRect(ExtractRect(aArgPtr)); |
|
1589 break; |
|
1590 case 0x041f: // SETPIXEL |
|
1591 { |
|
1592 CFbsBitGcWrapper* gc = CloneGcL(); |
|
1593 |
|
1594 gc->SetPenColor(ExtractColor(aArgPtr)); |
|
1595 gc->Plot(ExtractPoint(aArgPtr + 2,EFalse)); |
|
1596 |
|
1597 delete gc; |
|
1598 } |
|
1599 break; |
|
1600 case 0x0429: // FRAMEREGION |
|
1601 { |
|
1602 CGraphicsObject* object1 = GraphicsObject(aArgPtr[0]); |
|
1603 CGraphicsObject* object2 = GraphicsObject(aArgPtr[1]); |
|
1604 |
|
1605 if (object1 && object1->Type() == KWmfGraphicsObjectRegion && |
|
1606 object2 && ((object2->Type() == KWmfGraphicsObjectBrush) || (object2->Type() == KWmfGraphicsObjectPatternBrush))) |
|
1607 { |
|
1608 CRectRegion* region = STATIC_CAST(CRectRegion*,object1); |
|
1609 CBrush* brush = STATIC_CAST(CBrush*,object2); |
|
1610 |
|
1611 if (brush->iStyle == CGraphicsContext::ESolidBrush) |
|
1612 { |
|
1613 CFbsBitGcWrapper* gc = CloneGcL(); |
|
1614 |
|
1615 gc->SetPenStyle(CGraphicsContext::ESolidPen); |
|
1616 gc->SetPenColor(brush->iColor); |
|
1617 gc->SetPenSize(TSize(aArgPtr[3],aArgPtr[2])); |
|
1618 gc->SetBrushStyle(CGraphicsContext::ENullBrush); |
|
1619 |
|
1620 gc->DrawRect(region->iRect); |
|
1621 |
|
1622 delete gc; |
|
1623 } |
|
1624 } |
|
1625 } |
|
1626 break; |
|
1627 default: |
|
1628 break; |
|
1629 } |
|
1630 } |
|
1631 |
|
1632 void CWmfReadCodec::DoProcess1100L(TInt aFunction,TUint16* aArgPtr) |
|
1633 { |
|
1634 // Not supported: |
|
1635 // 0x0548 - EXTFLOODFILL |
|
1636 |
|
1637 switch (aFunction) |
|
1638 { |
|
1639 case 0x0521: // TEXTOUT |
|
1640 { |
|
1641 CFbsBitGcWrapper* gc = CloneGcL(); |
|
1642 CleanupStack::PushL(gc); |
|
1643 |
|
1644 gc->SetPenStyle(CGraphicsContext::ESolidPen); |
|
1645 gc->SetTextPenColor(); |
|
1646 if (iBkModeOpaque) |
|
1647 gc->SetBrushStyle(CGraphicsContext::ESolidBrush); |
|
1648 else |
|
1649 gc->SetBrushStyle(CGraphicsContext::ENullBrush); |
|
1650 |
|
1651 if(iRecordSizeInWords < KMinTextoutRecordSizeInWords) |
|
1652 { |
|
1653 // Invalid Textout record. |
|
1654 User::Leave(KErrCorrupt); |
|
1655 } |
|
1656 //read the count of text-string bytes. The text is padded if necessary. |
|
1657 //The count doesn't include the padded byte. |
|
1658 const TInt count = *aArgPtr++; |
|
1659 //convert into words |
|
1660 TUint stringWords = (count+1) / 2; |
|
1661 if ((KMinTextoutRecordSizeInWords + stringWords) > iRecordSizeInWords) |
|
1662 { |
|
1663 // Invalid Textout record. |
|
1664 User::Leave(KErrCorrupt); |
|
1665 } |
|
1666 const TPtrC8 text((TUint8*)aArgPtr,count); |
|
1667 |
|
1668 DrawTextL(text, ExtractPoint(aArgPtr + stringWords, EFalse), gc); |
|
1669 |
|
1670 CleanupStack::PopAndDestroy(gc); |
|
1671 } |
|
1672 break; |
|
1673 case 0x0538: // POLYPOLYGON |
|
1674 { |
|
1675 //check if the record size sufficient for polygon/polyline record. |
|
1676 if(iRecordSizeInWords < KWmfPolyRecordSizeInWords) |
|
1677 { |
|
1678 User::Leave(KErrCorrupt); |
|
1679 } |
|
1680 const TInt numPolygons = *aArgPtr++; |
|
1681 if (numPolygons <= 0) |
|
1682 break; |
|
1683 |
|
1684 //check if the words that contain the number of points for each polygon are within the record |
|
1685 if(iRecordSizeInWords < (KWmfPolyRecordSizeInWords + numPolygons)) |
|
1686 { |
|
1687 User::Leave(KErrCorrupt); |
|
1688 } |
|
1689 |
|
1690 //index of word that has point for polygons |
|
1691 TInt pointWord = KWmfPolyRecordSizeInWords + numPolygons; |
|
1692 TUint16* pointArgs = aArgPtr + numPolygons; |
|
1693 for (TInt polygonIndex = 0; polygonIndex < numPolygons; polygonIndex++) |
|
1694 { |
|
1695 const TInt numPoints = aArgPtr[polygonIndex]; |
|
1696 if (numPoints <= 0) |
|
1697 break; |
|
1698 |
|
1699 //check if the point values are available within the record; each point needs 2 words |
|
1700 pointWord += numPoints * 2; |
|
1701 if(iRecordSizeInWords < pointWord ) |
|
1702 { |
|
1703 User::Leave(KErrCorrupt); |
|
1704 } |
|
1705 |
|
1706 if (numPoints > iPointArrayEntries) |
|
1707 { |
|
1708 delete[] iPointArray; |
|
1709 iPointArray = NULL; |
|
1710 iPointArray = new(ELeave) TPoint[numPoints]; |
|
1711 iPointArrayEntries = numPoints; |
|
1712 } |
|
1713 |
|
1714 TPoint* pointArrayPtr = iPointArray; |
|
1715 for (TInt pointIndex = 0; pointIndex < numPoints; pointIndex++) |
|
1716 { |
|
1717 *pointArrayPtr++ = ExtractPoint(pointArgs,ETrue); |
|
1718 pointArgs += 2; |
|
1719 } |
|
1720 |
|
1721 iGc->DrawPolygonL(iPointArray,numPoints,iFillRule); |
|
1722 } |
|
1723 } |
|
1724 break; |
|
1725 case 0x061c: // ROUNDRECT |
|
1726 iGc->DrawRoundRect(ExtractRect(aArgPtr + 2),ExtractPoint(aArgPtr,EFalse).AsSize()); |
|
1727 break; |
|
1728 case 0x061d: // PATBLT |
|
1729 { |
|
1730 TInt left = LogicalCoordToDeviceCoord(aArgPtr[5],ETrue); |
|
1731 TInt top = LogicalCoordToDeviceCoord(aArgPtr[4],EFalse); |
|
1732 TInt width = LogicalSizeToDeviceSize(aArgPtr[3],ETrue); |
|
1733 TInt height = LogicalSizeToDeviceSize(aArgPtr[2],EFalse); |
|
1734 |
|
1735 CFbsBitGcWrapper* gc = CloneGcL(); |
|
1736 |
|
1737 gc->SetPenStyle(CGraphicsContext::ENullPen); |
|
1738 SetROP3(gc, aArgPtr[0] | (aArgPtr[1] << 16)); |
|
1739 gc->DrawRect(TRect(TPoint(left,top),TSize(width,height))); |
|
1740 |
|
1741 delete gc; |
|
1742 } |
|
1743 break; |
|
1744 default: |
|
1745 break; |
|
1746 } |
|
1747 } |
|
1748 |
|
1749 void CWmfReadCodec::DoProcess1101L(TInt aFunction,TUint16* aArgPtr) |
|
1750 { |
|
1751 // Not supported: |
|
1752 // 0x0626 - ESCAPE |
|
1753 |
|
1754 switch (aFunction) |
|
1755 { |
|
1756 case 0x06ff: // CREATEREGION |
|
1757 { |
|
1758 TInt left = LogicalCoordToDeviceCoord(aArgPtr[7],ETrue); |
|
1759 TInt top = LogicalCoordToDeviceCoord(aArgPtr[8],EFalse); |
|
1760 TInt right = LogicalCoordToDeviceCoord(aArgPtr[9],ETrue); |
|
1761 TInt bottom = LogicalCoordToDeviceCoord(aArgPtr[10],EFalse); |
|
1762 |
|
1763 AddGraphicsObject(new(ELeave) CRectRegion(*iDevice, iClipRegion, left, top, right, bottom)); |
|
1764 } |
|
1765 break; |
|
1766 case 0x0817: // ARC |
|
1767 iGc->DrawArc(ExtractRect(aArgPtr + 4),ExtractPoint(aArgPtr + 2,EFalse),ExtractPoint(aArgPtr,EFalse)); |
|
1768 break; |
|
1769 case 0x081a: // PIE |
|
1770 iGc->DrawPie(ExtractRect(aArgPtr + 4),ExtractPoint(aArgPtr + 2,EFalse),ExtractPoint(aArgPtr,EFalse)); |
|
1771 break; |
|
1772 default: |
|
1773 break; |
|
1774 } |
|
1775 } |
|
1776 |
|
1777 void CWmfReadCodec::DoProcess1110L(TInt aFunction,TUint16* aArgPtr) |
|
1778 { |
|
1779 // Not supported: |
|
1780 // 0x0830 - CHORD |
|
1781 // 0x0922 - BITBLT |
|
1782 // 0x0940 - DIBBITBLT |
|
1783 |
|
1784 switch (aFunction) |
|
1785 { |
|
1786 case 0x0a32: // EXTTEXTOUT |
|
1787 { |
|
1788 CFbsBitGcWrapper* gc = CloneGcL(); |
|
1789 CleanupStack::PushL(gc); |
|
1790 |
|
1791 gc->SetPenStyle(CGraphicsContext::ESolidPen); |
|
1792 gc->SetTextPenColor(); |
|
1793 if (iBkModeOpaque) |
|
1794 gc->SetBrushStyle(CGraphicsContext::ESolidBrush); |
|
1795 else |
|
1796 gc->SetBrushStyle(CGraphicsContext::ENullBrush); |
|
1797 |
|
1798 const TPoint pos(ExtractPoint(aArgPtr,EFalse)); |
|
1799 const TInt count = aArgPtr[2]; |
|
1800 const TInt flag = aArgPtr[3]; |
|
1801 |
|
1802 aArgPtr += (flag & KExtTextOutFlagClipped) ? 8 : 4; |
|
1803 |
|
1804 const TPtrC8 text((TUint8*)aArgPtr,count); |
|
1805 |
|
1806 DrawTextL(text,pos,gc); |
|
1807 |
|
1808 CleanupStack::PopAndDestroy(gc); |
|
1809 } |
|
1810 break; |
|
1811 default: |
|
1812 break; |
|
1813 } |
|
1814 } |
|
1815 |
|
1816 void CWmfReadCodec::DoProcess1111L(TInt aFunction,TUint16* aArgPtr) |
|
1817 { |
|
1818 // Not supported: |
|
1819 // 0x0b23 - STRETCHBLT |
|
1820 // 0x0d33 - SETDIBTODEV |
|
1821 |
|
1822 switch (aFunction) |
|
1823 { |
|
1824 case 0x0b41: // DIBSTRETCHBLT |
|
1825 { |
|
1826 const TInt16* argPtr = (TInt16*)aArgPtr; |
|
1827 const TInt srcX = argPtr[5]; |
|
1828 const TInt srcY = argPtr[4]; |
|
1829 const TInt srcWidth = argPtr[3]; |
|
1830 const TInt srcHeight = argPtr[2]; |
|
1831 const TInt dstX = LogicalCoordToDeviceCoord(argPtr[9],ETrue); |
|
1832 const TInt dstY = LogicalCoordToDeviceCoord(argPtr[8],EFalse); |
|
1833 const TInt dstWidth = LogicalSizeToDeviceSize(argPtr[7],ETrue); |
|
1834 const TInt dstHeight = LogicalSizeToDeviceSize(argPtr[6],EFalse); |
|
1835 |
|
1836 CFbsBitmap* dib = new(ELeave) CFbsBitmap; |
|
1837 TInt err = ExtractDib(aArgPtr + 10, dib); |
|
1838 |
|
1839 CleanupStack::PushL(dib); |
|
1840 if (err == KErrNone) |
|
1841 { |
|
1842 const TRect srcRect(TPoint(srcX,srcY),TSize(srcWidth,srcHeight)); |
|
1843 const TRect dstRect(TPoint(dstX,dstY),TSize(dstWidth,dstHeight)); |
|
1844 |
|
1845 iGc->DrawBitmap(dstRect,dib,srcRect); |
|
1846 } |
|
1847 else if (err != KErrNotSupported) // Ignore KErrNotSupported |
|
1848 User::Leave(err); |
|
1849 |
|
1850 CleanupStack::PopAndDestroy(dib); |
|
1851 } |
|
1852 break; |
|
1853 case 0x0f43: // STRETCHDIB |
|
1854 { |
|
1855 const TInt16* argPtr = (TInt16*)aArgPtr; |
|
1856 const TInt srcX = argPtr[6]; |
|
1857 const TInt srcY = argPtr[5]; |
|
1858 const TInt srcWidth = argPtr[4]; |
|
1859 const TInt srcHeight = argPtr[3]; |
|
1860 const TInt dstX = LogicalCoordToDeviceCoord(argPtr[10],ETrue); |
|
1861 const TInt dstY = LogicalCoordToDeviceCoord(argPtr[9],EFalse); |
|
1862 const TInt dstWidth = LogicalSizeToDeviceSize(argPtr[8],ETrue); |
|
1863 const TInt dstHeight = LogicalSizeToDeviceSize(argPtr[7],EFalse); |
|
1864 |
|
1865 CFbsBitmap* dib = new(ELeave) CFbsBitmap; |
|
1866 TInt err = ExtractDib(aArgPtr + 11, dib); |
|
1867 |
|
1868 CleanupStack::PushL(dib); |
|
1869 if (err == KErrNone) |
|
1870 { |
|
1871 const TRect srcRect(TPoint(srcX,srcY),TSize(srcWidth,srcHeight)); |
|
1872 const TRect dstRect(TPoint(dstX,dstY),TSize(dstWidth,dstHeight)); |
|
1873 |
|
1874 iGc->DrawBitmap(dstRect,dib,srcRect); |
|
1875 } |
|
1876 else if (err != KErrNotSupported) // Ignore KErrNotSupported |
|
1877 User::Leave(err); |
|
1878 |
|
1879 CleanupStack::PopAndDestroy(dib); |
|
1880 } |
|
1881 break; |
|
1882 default: |
|
1883 break; |
|
1884 } |
|
1885 } |
|
1886 |
|
1887 void CWmfReadCodec::DrawTextL(const TDesC8& aText, const TPoint& aPos, CFbsBitGcWrapper* aGc) |
|
1888 { |
|
1889 if(aText.Length()==0) |
|
1890 return; |
|
1891 |
|
1892 HBufC* unicodeText = HBufC::NewMaxLC(aText.Length()); |
|
1893 TPtr16 text = unicodeText->Des(); |
|
1894 text.Copy(aText); |
|
1895 |
|
1896 TPoint pos(aPos); |
|
1897 const CFbsFont* font = iGc->CurrentFont(); |
|
1898 |
|
1899 if (font) |
|
1900 { |
|
1901 const TInt textAlignHorz = iTextAlignFlags & KTextAlignMaskHorz; |
|
1902 const TInt textAlignVert = iTextAlignFlags & KTextAlignMaskVert; |
|
1903 |
|
1904 switch (textAlignHorz) |
|
1905 { |
|
1906 case KTextAlignFlagRight: |
|
1907 pos.iX -= font->TextWidthInPixels(text); |
|
1908 break; |
|
1909 case KTextAlignFlagCenter: |
|
1910 pos.iX -= font->TextWidthInPixels(text) / 2; |
|
1911 break; |
|
1912 default: // KTextAlignFlagLeft |
|
1913 break; |
|
1914 } |
|
1915 |
|
1916 // rather than use font->AscentInPixels(), font->DescentInPixels(), |
|
1917 // which don't include the height of accents etc, |
|
1918 // use the maximum possible ascent/decent instead |
|
1919 TInt ascent; |
|
1920 TInt descent; |
|
1921 TOpenFontMetrics fontMetrics; |
|
1922 if (font->IsOpenFont() && font->GetFontMetrics(fontMetrics)) |
|
1923 { |
|
1924 ascent = fontMetrics.MaxHeight(); |
|
1925 descent = fontMetrics.MaxDepth(); |
|
1926 } |
|
1927 else |
|
1928 { |
|
1929 ascent = font->AscentInPixels(); |
|
1930 descent = font->DescentInPixels(); |
|
1931 } |
|
1932 |
|
1933 switch (textAlignVert) |
|
1934 { |
|
1935 case KTextAlignFlagBottom: |
|
1936 pos.iY -= descent; |
|
1937 break; |
|
1938 case KTextAlignFlagBaseline: |
|
1939 break; |
|
1940 default: // KTextAlignFlagTop |
|
1941 pos.iY += ascent; |
|
1942 break; |
|
1943 } |
|
1944 aGc->DrawText(*unicodeText,pos); |
|
1945 } |
|
1946 |
|
1947 CleanupStack::PopAndDestroy(unicodeText); |
|
1948 } |
|
1949 |
|
1950 void CWmfReadCodec::AddGraphicsObject(CGraphicsObject* aObject) |
|
1951 { |
|
1952 for (TInt index = 0; index < KWmfMaxGraphicsObjectCount; index++) |
|
1953 { |
|
1954 if (iGraphicsObject[index] == NULL) |
|
1955 { |
|
1956 iGraphicsObject[index] = aObject; |
|
1957 return; |
|
1958 } |
|
1959 } |
|
1960 |
|
1961 delete aObject; // No more space so throw the object away |
|
1962 } |
|
1963 |
|
1964 CGraphicsObject* CWmfReadCodec::GraphicsObject(TInt aHandle) |
|
1965 { |
|
1966 if (aHandle < KWmfMaxGraphicsObjectCount) |
|
1967 return iGraphicsObject[aHandle]; |
|
1968 |
|
1969 return NULL; |
|
1970 } |
|
1971 |
|
1972 void CWmfReadCodec::RemoveGraphicsObject(TInt aHandle) |
|
1973 { |
|
1974 if (aHandle < KWmfMaxGraphicsObjectCount) |
|
1975 { |
|
1976 CGraphicsObject* object = iGraphicsObject[aHandle]; |
|
1977 |
|
1978 if (object) |
|
1979 { |
|
1980 if (object->Type() == KWmfGraphicsObjectPen && !iDefaultPen) |
|
1981 iDefaultPen = STATIC_CAST(CPen*,object); |
|
1982 else if (object->Type() == KWmfGraphicsObjectBrush && !iDefaultBrush) |
|
1983 iDefaultBrush = STATIC_CAST(CBrush*,object); |
|
1984 else |
|
1985 delete object; |
|
1986 |
|
1987 iGraphicsObject[aHandle] = NULL; |
|
1988 } |
|
1989 } |
|
1990 } |
|
1991 |
|
1992 CFbsBitGcWrapper* CWmfReadCodec::CloneGcL() |
|
1993 { |
|
1994 CFbsBitGcWrapper* gcCopy; |
|
1995 if (iMaskDevice) |
|
1996 gcCopy = CFbsBitGcMaskWrapper::NewL(*iDevice, *iMaskDevice, static_cast<CFbsBitGcMaskWrapper*> (iGc)); |
|
1997 else |
|
1998 gcCopy = CFbsBitGcWrapper::NewL(*iDevice, iGc); |
|
1999 |
|
2000 return gcCopy; |
|
2001 } |
|
2002 |
|
2003 TInt CWmfReadCodec::LogicalCoordToDeviceCoord(TInt aLogicalCoord,TBool aHorizontal) |
|
2004 { |
|
2005 if (aHorizontal) |
|
2006 { |
|
2007 if (iWindowExt.iWidth != 0) |
|
2008 return ((aLogicalCoord - iWindowOrg.iX) * iViewportExt.iWidth / iWindowExt.iWidth) + iViewportOrg.iX; |
|
2009 } |
|
2010 else |
|
2011 { |
|
2012 if (iWindowExt.iHeight != 0) |
|
2013 return ((aLogicalCoord - iWindowOrg.iY) * iViewportExt.iHeight / iWindowExt.iHeight) + iViewportOrg.iY; |
|
2014 } |
|
2015 |
|
2016 return 0; |
|
2017 } |
|
2018 |
|
2019 TInt CWmfReadCodec::LogicalSizeToDeviceSize(TInt aLogicalSize,TBool aHorizontal) |
|
2020 { |
|
2021 if (aHorizontal) |
|
2022 { |
|
2023 if (iWindowExt.iWidth != 0) |
|
2024 return aLogicalSize * iViewportExt.iWidth / iWindowExt.iWidth; |
|
2025 } |
|
2026 else |
|
2027 { |
|
2028 if (iWindowExt.iHeight != 0) |
|
2029 return aLogicalSize * iViewportExt.iHeight / iWindowExt.iHeight; |
|
2030 } |
|
2031 |
|
2032 return 0; |
|
2033 } |
|
2034 |
|
2035 void CWmfReadCodec::SetROP(CFbsBitGcWrapper* aGc,TInt aROP) |
|
2036 { |
|
2037 CGraphicsContext::TDrawMode drawMode = CGraphicsContext::EDrawModePEN; |
|
2038 |
|
2039 switch (aROP) |
|
2040 { |
|
2041 case 1: // R2_BLACK |
|
2042 aGc->SetPenColor(KRgbBlack); |
|
2043 aGc->SetBrushColor(KRgbBlack); |
|
2044 aGc->SetDrawMode(drawMode); |
|
2045 return; |
|
2046 |
|
2047 case 11: // R2_NOP |
|
2048 aGc->SetPenStyle(CGraphicsContext::ENullPen); |
|
2049 aGc->SetBrushStyle(CGraphicsContext::ENullBrush); |
|
2050 aGc->SetDrawMode(drawMode); |
|
2051 return; |
|
2052 |
|
2053 case 16: // R2_WHITE |
|
2054 aGc->SetPenColor(KRgbWhite); |
|
2055 aGc->SetBrushColor(KRgbWhite); |
|
2056 aGc->SetDrawMode(drawMode); |
|
2057 return; |
|
2058 |
|
2059 default: |
|
2060 break; |
|
2061 } |
|
2062 |
|
2063 switch (aROP) |
|
2064 { |
|
2065 case 2: drawMode = CGraphicsContext::EDrawModeNOTANDNOT; break; // R2_NOTMERGEPEN |
|
2066 case 3: drawMode = CGraphicsContext::EDrawModeANDNOT; break; // R2_MASKNOTPEN |
|
2067 case 4: drawMode = CGraphicsContext::EDrawModeNOTPEN; break; // R2_NOTCOPYPEN |
|
2068 case 5: drawMode = CGraphicsContext::EDrawModeNOTAND; break; // R2_MASKPENNOT |
|
2069 case 6: drawMode = CGraphicsContext::EDrawModeNOTSCREEN; break; // R2_NOT |
|
2070 case 7: drawMode = CGraphicsContext::EDrawModeXOR; break; // R2_XORPEN |
|
2071 case 8: drawMode = CGraphicsContext::EDrawModeNOTORNOT; break; // R2_NOTMASKPEN |
|
2072 case 9: drawMode = CGraphicsContext::EDrawModeAND; break; // R2_MASKPEN |
|
2073 case 10: drawMode = CGraphicsContext::EDrawModeNOTXOR; break; // R2_NOTXORPEN |
|
2074 |
|
2075 case 12: break; // R2_MERGENOTPEN (not supported) |
|
2076 case 13: break; // R2_COPYPEN |
|
2077 case 14: drawMode = CGraphicsContext::EDrawModeNOTOR; break; // R2_MERGEPENNOT |
|
2078 case 15: drawMode = CGraphicsContext::EDrawModeOR; break; // R2_MERGEPEN |
|
2079 |
|
2080 default: |
|
2081 break; |
|
2082 } |
|
2083 |
|
2084 aGc->RestorePenAndBrush(); |
|
2085 aGc->SetDrawMode(drawMode); |
|
2086 } |
|
2087 |
|
2088 void CWmfReadCodec::SetROP3(CFbsBitGcWrapper* aGc,TInt aROP) |
|
2089 { |
|
2090 CGraphicsContext::TDrawMode drawMode = CGraphicsContext::EDrawModePEN; |
|
2091 switch (aROP) |
|
2092 { |
|
2093 case 0x005A0049: // PATINVERT |
|
2094 drawMode = CGraphicsContext::EDrawModeXOR; |
|
2095 break; |
|
2096 case 0x00550009: // DSTINVERT |
|
2097 drawMode = CGraphicsContext::EDrawModeNOTSCREEN; |
|
2098 aGc->SetBrushStyle(CGraphicsContext::ESolidBrush); |
|
2099 break; |
|
2100 case 0x00000042: // BLACKNESS |
|
2101 aGc->SetBrushColor(KRgbBlack); |
|
2102 aGc->SetBrushStyle(CGraphicsContext::ESolidBrush); |
|
2103 break; |
|
2104 case 0x00FF0062: // WHITENESS |
|
2105 aGc->SetBrushColor(KRgbWhite); |
|
2106 aGc->SetBrushStyle(CGraphicsContext::ESolidBrush); |
|
2107 break; |
|
2108 |
|
2109 case 0x00F00021: // PATCOPY |
|
2110 default: |
|
2111 break; |
|
2112 } |
|
2113 |
|
2114 aGc->SetDrawMode(drawMode); |
|
2115 } |
|
2116 |
|
2117 TRgb CWmfReadCodec::ExtractColor(const TUint16* aArgPtr) |
|
2118 { |
|
2119 return TRgb(aArgPtr[0] & 0xff,aArgPtr[0] >> 8,aArgPtr[1] & 0xff); |
|
2120 } |
|
2121 |
|
2122 TPoint CWmfReadCodec::ExtractPoint(const TUint16* aArgPtr,TBool aXYOrder) |
|
2123 { |
|
2124 TInt16* coordPtr = (TInt16*)aArgPtr; |
|
2125 |
|
2126 TInt left = coordPtr[0]; |
|
2127 TInt top = coordPtr[1]; |
|
2128 |
|
2129 if (!aXYOrder) |
|
2130 { |
|
2131 TInt temp = left; |
|
2132 left = top; |
|
2133 top = temp; |
|
2134 } |
|
2135 |
|
2136 left = LogicalCoordToDeviceCoord(left,ETrue); |
|
2137 top = LogicalCoordToDeviceCoord(top,EFalse); |
|
2138 |
|
2139 return TPoint(left,top); |
|
2140 } |
|
2141 |
|
2142 TRect CWmfReadCodec::ExtractRect(const TUint16* aArgPtr) |
|
2143 { |
|
2144 TInt16* coordPtr = (TInt16*)aArgPtr; |
|
2145 |
|
2146 TInt left = LogicalCoordToDeviceCoord(coordPtr[3],ETrue); |
|
2147 TInt top = LogicalCoordToDeviceCoord(coordPtr[2],EFalse); |
|
2148 TInt right = LogicalCoordToDeviceCoord(coordPtr[1],ETrue); |
|
2149 TInt bottom = LogicalCoordToDeviceCoord(coordPtr[0],EFalse); |
|
2150 |
|
2151 return TRect(left,top,right,bottom); |
|
2152 } |
|
2153 |
|
2154 TInt CWmfReadCodec::ExtractDib(const TUint16* aArgPtr, CPatternBrush* aPatternBrush) |
|
2155 { |
|
2156 TInt bitCount = aArgPtr[7]; |
|
2157 if (bitCount != 1) |
|
2158 return ExtractDib(aArgPtr, aPatternBrush->Bitmap()); |
|
2159 |
|
2160 TInt structSize = aArgPtr[0] | (aArgPtr[1] << 16); |
|
2161 TInt width = aArgPtr[2] | (aArgPtr[3] << 16); |
|
2162 TInt height = aArgPtr[4] | (aArgPtr[5] << 16); |
|
2163 |
|
2164 // Skip biPlanes half-word |
|
2165 TInt compression = aArgPtr[8] | (aArgPtr[9] << 16); |
|
2166 if (compression) |
|
2167 return KErrNotSupported; |
|
2168 |
|
2169 // Skip biSizeImage word |
|
2170 TInt xPixelsPerMeter = aArgPtr[12] | (aArgPtr[13] << 16); |
|
2171 TInt yPixelsPerMeter = aArgPtr[14] | (aArgPtr[15] << 16); |
|
2172 |
|
2173 // Skip biClrUsed word |
|
2174 // Skip biClrImportant word |
|
2175 |
|
2176 TUint8* bytePtr = (TUint8*)aArgPtr; |
|
2177 bytePtr += structSize; |
|
2178 |
|
2179 CFbsBitmap* bitmap = aPatternBrush->Bitmap(); |
|
2180 TInt err = bitmap->Create(TSize(width,height), EColor64K); |
|
2181 if (err != KErrNone) |
|
2182 return err; |
|
2183 |
|
2184 TSize twipsSize(0,0); |
|
2185 if (xPixelsPerMeter > 0) |
|
2186 twipsSize.iWidth = KTwipsPerCm * 100 * width / xPixelsPerMeter; |
|
2187 if (yPixelsPerMeter > 0) |
|
2188 twipsSize.iHeight = KTwipsPerCm * 100 * height / yPixelsPerMeter; |
|
2189 bitmap->SetSizeInTwips(twipsSize); |
|
2190 |
|
2191 // Skip the palette. |
|
2192 bytePtr+= 8; |
|
2193 |
|
2194 // Set the pattern bits. |
|
2195 TInt padding = ((width + 31) & ~31) - width; |
|
2196 TInt byteTotal = ((width+padding)*height)/8; |
|
2197 TUint8* bitmapBits = new TUint8[byteTotal]; |
|
2198 if (!bitmapBits) |
|
2199 return KErrNoMemory; |
|
2200 |
|
2201 Mem::Copy(bitmapBits, bytePtr, byteTotal); |
|
2202 aPatternBrush->SetBitmapBits(bitmapBits); |
|
2203 return KErrNone; |
|
2204 } |
|
2205 |
|
2206 TInt CWmfReadCodec::ExtractDib(const TUint16* aArgPtr, CFbsBitmap* aBitmap) |
|
2207 { |
|
2208 const TInt structSize = aArgPtr[0] | (aArgPtr[1] << 16); |
|
2209 const TInt width = aArgPtr[2] | (aArgPtr[3] << 16); |
|
2210 const TInt height = aArgPtr[4] | (aArgPtr[5] << 16); |
|
2211 |
|
2212 // Skip biPlanes half-word |
|
2213 const TInt bitCount = aArgPtr[7]; |
|
2214 const TInt compression = aArgPtr[8] | (aArgPtr[9] << 16); |
|
2215 if (((bitCount != 24) && (bitCount != 8) && (bitCount != 1)) || compression) |
|
2216 return KErrNotSupported; |
|
2217 |
|
2218 // Skip biSizeImage word |
|
2219 const TInt xPixelsPerMeter = aArgPtr[12] | (aArgPtr[13] << 16); |
|
2220 const TInt yPixelsPerMeter = aArgPtr[14] | (aArgPtr[15] << 16); |
|
2221 |
|
2222 // Skip biClrUsed word |
|
2223 // Skip biClrImportant word |
|
2224 |
|
2225 TUint8* bytePtr = (TUint8*)aArgPtr; |
|
2226 bytePtr += structSize; |
|
2227 |
|
2228 TInt err = aBitmap->Create(TSize(width,height), EColor64K); |
|
2229 if (err != KErrNone) |
|
2230 return err; |
|
2231 |
|
2232 TSize twipsSize(0,0); |
|
2233 if (xPixelsPerMeter > 0) |
|
2234 twipsSize.iWidth = KTwipsPerCm * 100 * width / xPixelsPerMeter; |
|
2235 if (yPixelsPerMeter > 0) |
|
2236 twipsSize.iHeight = KTwipsPerCm * 100 * height / yPixelsPerMeter; |
|
2237 aBitmap->SetSizeInTwips(twipsSize); |
|
2238 |
|
2239 TBitmapUtil util(aBitmap); |
|
2240 if (bitCount == 24) |
|
2241 { |
|
2242 TInt byteWidth = 3*width; |
|
2243 TInt padding = ((byteWidth + 3) & ~3) - byteWidth; |
|
2244 for (TInt y = height - 1; y >= 0; y--) |
|
2245 { |
|
2246 util.Begin(TPoint(0,y)); |
|
2247 for (TInt x = 0; x < width; x++) |
|
2248 { |
|
2249 TRgb color(bytePtr[2],bytePtr[1],bytePtr[0]); |
|
2250 util.SetPixel(color.Color64K()); |
|
2251 util.IncXPos(); |
|
2252 bytePtr += 3; |
|
2253 } |
|
2254 bytePtr += padding; |
|
2255 util.End(); |
|
2256 } |
|
2257 } |
|
2258 else if (bitCount == 8) |
|
2259 { |
|
2260 // Read the palette. |
|
2261 TRgb* palette = new TRgb[256]; |
|
2262 if (!palette) |
|
2263 return KErrNoMemory; |
|
2264 |
|
2265 for (TInt count = 0; count < 256; count++) |
|
2266 { |
|
2267 TInt blue = bytePtr[0]; |
|
2268 TInt green = bytePtr[1]; |
|
2269 TInt red = bytePtr[2]; |
|
2270 |
|
2271 bytePtr += 4; // Skip rgbReserved |
|
2272 palette[count] = TRgb(red, green, blue); |
|
2273 } |
|
2274 |
|
2275 const TInt padding = ((width + 3) & ~3) - width; |
|
2276 for (TInt y = height - 1; y >= 0; y--) |
|
2277 { |
|
2278 util.Begin(TPoint(0,y)); |
|
2279 for (TInt x = 0; x < width; x++) |
|
2280 { |
|
2281 TRgb color(palette[bytePtr[0]]); |
|
2282 util.SetPixel(color.Color64K()); |
|
2283 util.IncXPos(); |
|
2284 bytePtr++; |
|
2285 } |
|
2286 bytePtr += padding; |
|
2287 util.End(); |
|
2288 } |
|
2289 |
|
2290 delete[] palette; |
|
2291 } |
|
2292 else // 1bpp |
|
2293 { |
|
2294 // Read the palette. |
|
2295 TRgb palette[2]; |
|
2296 for (TInt count = 0; count < 2; count++) |
|
2297 { |
|
2298 TInt blue = bytePtr[0]; |
|
2299 TInt green = bytePtr[1]; |
|
2300 TInt red = bytePtr[2]; |
|
2301 |
|
2302 bytePtr += 4; // Skip rgbReserved |
|
2303 palette[count] = TRgb(red, green, blue); |
|
2304 } |
|
2305 |
|
2306 const TInt padding = ((width + 31) & ~31) - width; |
|
2307 TUint pixelMask = 0x80; |
|
2308 for (TInt y = height - 1; y >= 0; y--) |
|
2309 { |
|
2310 util.Begin(TPoint(0,y)); |
|
2311 |
|
2312 TInt x; |
|
2313 for (x = 0; x < width; x++) |
|
2314 { |
|
2315 TRgb color(palette[(bytePtr[0] & pixelMask) ? 1 : 0]); |
|
2316 util.SetPixel(color.Color64K()); |
|
2317 util.IncXPos(); |
|
2318 |
|
2319 pixelMask >>= 1; |
|
2320 if (pixelMask == 0) |
|
2321 { |
|
2322 pixelMask = 0x80; |
|
2323 bytePtr++; |
|
2324 } |
|
2325 } |
|
2326 |
|
2327 for (x = 0 ; x<padding ; x++) |
|
2328 { |
|
2329 pixelMask >>= 1; |
|
2330 if (pixelMask == 0) |
|
2331 { |
|
2332 pixelMask = 0x80; |
|
2333 bytePtr++; |
|
2334 } |
|
2335 } |
|
2336 |
|
2337 util.End(); |
|
2338 } |
|
2339 } |
|
2340 |
|
2341 return KErrNone; |
|
2342 } |
|
2343 |
|
2344 TInt CWmfReadCodec::ReducedSize(const TSize& aOriginalSize,TInt aReductionFactor, TSize& aReducedSize) const |
|
2345 { |
|
2346 aReducedSize = aOriginalSize; |
|
2347 if (aReductionFactor<0) |
|
2348 { |
|
2349 return KErrArgument; |
|
2350 } |
|
2351 TInt roundup = aReductionFactor>0? 1<<(aReductionFactor-1): 0; |
|
2352 aReducedSize.SetSize(((aOriginalSize.iWidth+roundup)>>aReductionFactor), |
|
2353 ((aOriginalSize.iHeight+roundup)>>aReductionFactor) ); |
|
2354 return KErrNone; |
|
2355 } |
|
2356 |
|
2357 TInt CWmfReadCodec::ReductionFactor(const TSize& aOriginalSize, const TSize& aReducedSize) const |
|
2358 { |
|
2359 if( (aReducedSize.iWidth<=0) || (aReducedSize.iHeight<=0)) |
|
2360 { |
|
2361 return 0; |
|
2362 } |
|
2363 TInt reductionFactor = 0; |
|
2364 TInt roundup=0; |
|
2365 while( ((aOriginalSize.iWidth+roundup)>>reductionFactor) > aReducedSize.iWidth || |
|
2366 ((aOriginalSize.iHeight+roundup)>>reductionFactor) > aReducedSize.iHeight) |
|
2367 { |
|
2368 reductionFactor++; |
|
2369 roundup=1<<(reductionFactor-1); |
|
2370 } |
|
2371 return reductionFactor; |
|
2372 } |
|
2373 |
|
2374 void CWmfReadCodec::SetIgnoreViewportMetaData(TBool aIgnoreViewportMetaData) |
|
2375 { |
|
2376 iIgnoreViewportMetaData = aIgnoreViewportMetaData; |
|
2377 } |