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1 // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #include <gdi.h> |
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17 #include <gulbordr.h> |
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18 #include <gulpanic.h> |
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19 #include "GULSTD.H" |
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20 #include "gullogicalborder.h" |
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21 |
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22 const TInt KTypeMask=0xFFFFFF00; |
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23 const TInt KAdjacentMask=0xF; |
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24 |
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25 const TInt KBorderTypeConversionMask=0x00FFFFFF; |
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26 |
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27 const TInt KBorderShift=0x8; |
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28 const TInt KDepthBitPosition=0x4; |
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29 const TInt KDepthShift=KBorderShift+KDepthBitPosition; |
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30 |
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31 // |
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32 // Class MGulLogicalBorder |
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33 // |
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34 |
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35 EXPORT_C void MGulLogicalBorder::MGulLogicalBorderReserved() |
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36 { |
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37 } |
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38 |
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39 // |
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40 // Class GulTls |
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41 // |
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42 |
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43 EXPORT_C void GulTls::SetLogicalBorder(MGulLogicalBorder* aLogicalBorder) |
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44 { |
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45 Dll::SetTls(REINTERPRET_CAST(TAny*,aLogicalBorder)); |
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46 }; |
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47 |
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48 EXPORT_C const MGulLogicalBorder* GulTls::LogicalBorder() |
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49 { |
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50 return REINTERPRET_CAST(const MGulLogicalBorder*,Dll::Tls()); |
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51 } |
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52 |
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53 // |
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54 // Class TGulBorder::TColors |
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55 // |
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56 |
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57 EXPORT_C TGulBorder::TColors::TColors() |
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58 : iLine(KRgbBlack), iBack(KRgbWhite), iLight(KRgbWhite), |
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59 iMidlight(KRgbWhite), iMid(KRgbDarkGray), iDark(KRgbDarkGray), iInternalBack(KRgbWhite) |
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60 /** Default constructor. |
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61 |
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62 Initialises the border colours to blacks, whites and greys. For details, see |
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63 the data members. */ |
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64 { |
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65 } |
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66 |
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67 // |
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68 // Class TGulBorder |
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69 // |
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70 |
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71 EXPORT_C TGulBorder::TGulBorder() |
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72 : iType(0) |
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73 /** Default constructor. |
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74 |
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75 The border type is initialised to zero (i.e. no border). */ |
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76 { |
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77 } |
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78 |
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79 |
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80 EXPORT_C TGulBorder::TGulBorder(TBorderType aType) |
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81 : iType(STATIC_CAST(TInt,aType)<<KBorderShift) |
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82 /** Constructor with a border type. |
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83 |
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84 @param aType The border type. */ |
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85 { |
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86 TranslateLegacyTypes(); |
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87 } |
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88 |
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89 |
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90 EXPORT_C TGulBorder::TGulBorder(TBorderType aType,TGulAdjacent aAdjacent) |
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91 : iType((STATIC_CAST(TInt,aType)<<KBorderShift)|aAdjacent) |
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92 /** Constructor with a border type and an adjacency. |
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93 |
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94 @param aType The border type. |
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95 @param aAdjacent Border adjacency. No outline is drawn for border sides that |
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96 are adjacent. */ |
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97 { |
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98 TranslateLegacyTypes(); |
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99 } |
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100 |
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101 EXPORT_C TGulBorder::TGulBorder(TInt aType) |
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102 : iType(aType<<KBorderShift) |
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103 /** Constructor with a border type, specified as a TInt. |
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104 |
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105 @param aType The border type. Possible values are defined in the TBorderType |
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106 enumeration. */ |
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107 { |
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108 TranslateLegacyTypes(); |
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109 } |
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110 |
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111 |
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112 EXPORT_C TGulBorder::TGulBorder(TInt aType,TGulAdjacent aAdjacent) |
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113 : iType((aType<<KBorderShift)|aAdjacent) |
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114 /** Constructor with a border type, specified as a TInt, and a border adjacency. |
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115 |
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116 @param aType The border type. |
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117 @param aAdjacent Border adjacency. No outline is drawn for border sides that |
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118 are adjacent. */ |
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119 { |
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120 TranslateLegacyTypes(); |
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121 } |
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122 |
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123 EXPORT_C void TGulBorder::SetType(TInt aType) |
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124 /** Sets the border type. |
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125 |
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126 Descriptive borders use one of the values from the TBorderType enum. Logical |
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127 borders use one of the TLogicalType values. Custom border types can be created |
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128 by selecting one value from each of the enums T3DStyle and TConstructionStyle, |
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129 one or more values from each of the enums TOutlineStyle and TInlineStyle, |
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130 one or more values from the enums TThickness and TRounding and ORing all these |
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131 values together. |
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132 |
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133 @param aType The border type. */ |
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134 { |
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135 iType&=(~KTypeMask); |
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136 iType|=(aType<<KBorderShift); |
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137 |
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138 TranslateLegacyTypes(); |
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139 } |
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140 |
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141 // |
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142 // Translates legacy border types which now affect the adjacency as well as the border |
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143 // primitive type. |
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144 // |
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145 void TGulBorder::TranslateLegacyTypes() |
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146 { |
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147 TInt internalType=InternalType(); |
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148 |
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149 if(internalType&EWithOverlap) |
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150 { |
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151 if(internalType&EHorizontal) |
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152 SetAdjacent(EGulAdjTop|EGulAdjBottom); |
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153 else |
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154 SetAdjacent(EGulAdjLeft|EGulAdjRight); |
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155 iType|=(EWithOutline<<KBorderShift); |
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156 } |
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157 } |
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158 |
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159 |
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160 EXPORT_C TInt TGulBorder::Type() const |
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161 /** Gets the border type. |
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162 |
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163 @return The border type. This is one of the values from the TBorderType (for |
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164 descriptive borders) or TLogicalType (for logical borders) enums. */ |
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165 { |
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166 return (KBorderTypeConversionMask&((iType&KTypeMask)>>KBorderShift)); |
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167 } |
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168 |
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169 EXPORT_C void TGulBorder::SetAdjacent(TInt aAdjacent) |
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170 /** Sets the border adjacency. |
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171 |
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172 No outline is drawn for border sides that are adjacent. |
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173 |
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174 @param aAdjacent The border adjacency. For possible values, see the TGulAdjacent |
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175 enum. */ |
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176 { |
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177 iType&=(~KAdjacentMask); |
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178 iType|=(KAdjacentMask & aAdjacent); |
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179 } |
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180 |
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181 inline TInt TGulBorder::Depth() const |
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182 { |
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183 return (iType>>KDepthShift)&0x3; |
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184 } |
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185 |
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186 EXPORT_C TBool TGulBorder::HasBorder() const |
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187 /** Tests whether a border is present. |
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188 |
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189 No border is present if its type is ENoBorder. |
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190 |
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191 @return True if a border is present, otherwise false. */ |
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192 { |
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193 return (!(((iType&KTypeMask)>>KBorderShift)==ENoBorder)); |
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194 } |
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195 |
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196 |
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197 EXPORT_C TInt TGulBorder::Adjacent() const |
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198 /** Gets the border adjacency. |
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199 |
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200 No outline is drawn for border sides that are adjacent. |
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201 |
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202 @return The border adjacency. For possible values, see the TGulAdjacent enum. */ |
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203 { |
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204 return iType&KAdjacentMask; |
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205 } |
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206 |
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207 |
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208 inline TBool TGulBorder::IsSunken() const |
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209 { |
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210 return (iType>>KBorderShift)&ESunken; |
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211 } |
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212 |
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213 // |
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214 // Returns the innner rectangular area of the outline |
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215 // Simply returns the outer rectangle if there is no outline |
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216 // |
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217 TRect TGulBorder::OutlineInnerRect(const TRect& aOuterRect) const |
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218 { |
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219 if (!(InternalType()&EWithOutline)) |
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220 return aOuterRect; |
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221 |
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222 TRect inner=aOuterRect; |
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223 TMargins margins=OutlineMargins(); |
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224 inner.iTl.iX+=margins.iLeft; |
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225 inner.iTl.iY+=margins.iTop; |
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226 inner.iBr.iX-=margins.iRight; |
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227 inner.iBr.iY-=margins.iBottom; |
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228 return inner; |
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229 } |
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230 |
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231 // |
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232 // Returns the number of rounding pixels for the start of the mid-tone colored part of the border. |
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233 // |
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234 TInt TGulBorder::BorderRounding() const |
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235 { |
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236 TInt rounding=Rounding(); |
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237 if (InternalType()&EWithOutline) |
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238 rounding--; |
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239 return (rounding<0 ? 0 : rounding); |
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240 } |
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241 |
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242 // |
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243 // Returns the number of rounding pixels at the inline. |
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244 // |
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245 TInt TGulBorder::InlineRounding() const |
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246 { |
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247 TInt rounding=BorderRounding(); |
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248 rounding-=Thickness(); |
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249 return (rounding<0 ? 0 : rounding); |
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250 } |
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251 |
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252 EXPORT_C TMargins TGulBorder::Margins() const |
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253 /** Returns the border margins. |
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254 |
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255 The border margins are four integers that represent the widths in pixels of |
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256 the top, bottom, left and right hand sides of the border. |
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257 |
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258 If the border is a logical border, then calculating the margins is delegated |
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259 to its implementation of MGulLogicalBorder::Margins(). |
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260 |
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261 Otherwise, the margins are calculated by adding together the single pixel |
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262 border outline, if present (this is zero for adjacent sides), the border thickness |
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263 (containing the mid-tone highlights and lowlights), and the single pixel interior |
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264 outline, if present. |
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265 |
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266 @return The border margins. */ |
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267 { |
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268 // Delegates the margin size determination to TLS instance of MGulLogicalBorder if logical border |
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269 if (InternalType()&ELogical) |
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270 { |
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271 const MGulLogicalBorder* logicalBorder=GulTls::LogicalBorder(); |
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272 __ASSERT_DEBUG(logicalBorder,Panic(EEgulPanicNullTls)); |
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273 return logicalBorder ? logicalBorder->Margins(*this) : TMargins(); |
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274 } |
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275 |
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276 TMargins margins=OutlineMargins(); |
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277 |
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278 TMargins borderMargins=BorderMargins(); |
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279 |
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280 margins.iTop+=borderMargins.iTop; |
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281 margins.iLeft+=borderMargins.iLeft; |
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282 margins.iRight+=borderMargins.iRight; |
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283 margins.iBottom+=borderMargins.iBottom; |
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284 |
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285 TMargins inlineMargins=InlineMargins(); |
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286 |
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287 margins.iTop+=inlineMargins.iTop; |
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288 margins.iLeft+=inlineMargins.iLeft; |
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289 margins.iRight+=inlineMargins.iRight; |
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290 margins.iBottom+=inlineMargins.iBottom; |
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291 |
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292 return margins; |
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293 } |
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294 |
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295 // |
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296 // Returns the margins for the single pixel outline only |
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297 // Margins are zero if the border has no outline. |
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298 // There is no margin on sides which are adjacent. |
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299 // |
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300 TMargins TGulBorder::OutlineMargins() const |
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301 { |
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302 TMargins margins; |
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303 |
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304 margins.iTop=margins.iLeft=0; |
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305 margins.iBottom=margins.iRight=0; |
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306 |
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307 if (!(InternalType()&EWithOutline)) |
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308 return margins; |
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309 |
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310 if (!(iType&EGulAdjLeft)) |
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311 margins.iLeft+=1; |
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312 |
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313 if (!(iType&EGulAdjTop)) |
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314 margins.iTop+=1; |
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315 |
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316 if (!(iType&EGulAdjRight)) |
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317 margins.iRight+=1; |
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318 |
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319 if (!(iType&EGulAdjBottom)) |
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320 margins.iBottom+=1; |
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321 |
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322 return margins; |
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323 } |
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324 |
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325 |
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326 TMargins TGulBorder::BorderMargins() const |
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327 { |
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328 TMargins margins; |
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329 |
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330 TInt topLeftMargin=0; |
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331 TInt bottomRightMargin=0; |
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332 |
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333 if (InternalType()&EOneStep) |
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334 topLeftMargin=bottomRightMargin=Thickness(); |
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335 else if (InternalType()&ETwoStep || InternalType()&EInvertedTwoStep) |
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336 { |
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337 if((InternalType()&ERaised && !(InternalType()&EInvertedTwoStep)) || (InternalType()&ESunken && (InternalType()&EInvertedTwoStep))) |
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338 { |
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339 topLeftMargin=1; |
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340 bottomRightMargin=Thickness()+1; |
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341 } |
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342 else |
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343 { |
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344 topLeftMargin=Thickness()+1; |
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345 bottomRightMargin=1; |
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346 } |
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347 } |
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348 else if (InternalType()&EThreeStep) |
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349 topLeftMargin=bottomRightMargin=Thickness()+1; |
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350 |
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351 margins.iTop=topLeftMargin; |
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352 margins.iLeft=topLeftMargin; |
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353 margins.iBottom=bottomRightMargin; |
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354 margins.iRight=bottomRightMargin; |
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355 |
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356 return margins; |
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357 } |
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358 |
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359 TMargins TGulBorder::InlineMargins() const |
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360 { |
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361 TMargins margins; |
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362 |
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363 TInt marginWidth = 0; |
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364 |
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365 if (InternalType()&EWithInline) |
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366 marginWidth++; |
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367 |
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368 margins.iTop=marginWidth; |
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369 margins.iLeft=marginWidth; |
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370 margins.iBottom=marginWidth; |
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371 margins.iRight=marginWidth; |
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372 |
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373 return margins; |
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374 } |
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375 |
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376 EXPORT_C TSize TGulBorder::SizeDelta() const |
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377 /** Returns the size difference between the inner and outer rectangles of the border. |
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378 |
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379 @return The size difference between the inner and outer rectangles. */ |
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380 { |
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381 TMargins margins=Margins(); |
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382 return TSize(margins.iLeft+margins.iRight,margins.iTop+margins.iBottom); |
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383 } |
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384 |
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385 EXPORT_C TRect TGulBorder::OuterRect(const TRect& aInnerRect) const |
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386 /** Returns the rectangular area required to accommodate the inner rectangle aInnerRect |
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387 and the border. |
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388 |
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389 @param aInnerRect The inner rectangular area. |
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390 @return The enclosing rectangular area. */ |
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391 { |
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392 TRect outer=aInnerRect; |
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393 TMargins margins=Margins(); |
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394 outer.iTl.iX-=margins.iLeft; |
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395 outer.iTl.iY-=margins.iTop; |
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396 outer.iBr.iX+=margins.iRight; |
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397 outer.iBr.iY+=margins.iBottom; |
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398 return outer; |
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399 } |
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400 |
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401 EXPORT_C TRect TGulBorder::InnerRect(const TRect& aOuterRect) const |
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402 /** Returns the rectangular area enclosed by the border. |
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403 |
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404 @param aOuterRect The border's containing rectangle. |
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405 @return The inner rectangle. */ |
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406 { |
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407 TRect inner=aOuterRect; |
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408 TMargins margins=Margins(); |
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409 inner.iTl.iX+=margins.iLeft; |
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410 inner.iTl.iY+=margins.iTop; |
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411 inner.iBr.iX-=margins.iRight; |
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412 inner.iBr.iY-=margins.iBottom; |
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413 return inner; |
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414 } |
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415 |
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416 |
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417 TRect TGulBorder::BorderInnerRect(const TRect& aOuterRect) const |
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418 { |
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419 TRect inner=aOuterRect; |
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420 TMargins margins=BorderMargins(); |
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421 inner.iTl.iX+=margins.iLeft; |
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422 inner.iTl.iY+=margins.iTop; |
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423 inner.iBr.iX-=margins.iRight; |
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424 inner.iBr.iY-=margins.iBottom; |
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425 return inner; |
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426 } |
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427 |
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428 EXPORT_C void TGulBorder::Draw(CGraphicsContext& aGc,const TRect& aRect) const |
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429 /** Draws the border using a graphics context, inside a containing rectangle, and |
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430 using default values for the border colours. |
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431 |
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432 For details of the default border colours, see class TColors. |
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433 |
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434 This function does nothing if the border type is ENone. If the border is a |
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435 logical border, drawing is delegated to its implementation of MGulLogicalBorder::Draw(). |
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436 |
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437 @param aGc The graphics context to draw through. |
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438 @param aRect The containing rectangle. This defines the border's outline, i.e. |
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439 the border is drawn inside this rectangle. |
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440 @see MGulLogicalBorder::Draw() */ |
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441 { |
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442 TColors borderColors; |
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443 Draw(aGc,aRect,borderColors); |
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444 } |
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445 |
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446 EXPORT_C void TGulBorder::Draw(CGraphicsContext& aGc,const TRect& aRect, const TColors& aBorderColors) const |
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447 /** Draws the border using a graphics context, inside a containing rectangle, and |
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448 using the border colours specified. |
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449 |
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450 This function does nothing if the border type is ENone. If the border is a |
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451 logical border, drawing is delegated to its implementation of MGulLogicalBorder::Draw(). |
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452 |
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453 @param aGc The graphics context to draw through. |
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454 @param aRect The containing rectangle. This defines the border's outline, i.e. |
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455 the border is drawn inside this rectangle. |
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456 @param aBorderColors The border colours. |
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457 @see MGulLogicalBorder::Draw() */ |
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458 { |
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459 if (!HasBorder()) |
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460 return; |
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461 |
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462 // Delegate drawing of logical border to TLS instance of MGulLogicalBorder if logical border |
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463 if (InternalType()&ELogical) |
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464 { |
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465 const MGulLogicalBorder* logicalBorder=GulTls::LogicalBorder(); |
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466 __ASSERT_DEBUG(logicalBorder,Panic(EEgulPanicNullTls)); |
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467 if(logicalBorder) |
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468 { |
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469 logicalBorder->Draw(*this,aGc,aRect,aBorderColors); |
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470 } |
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471 return; |
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472 } |
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473 |
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474 TRect workingRect=aRect; |
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475 DrawOutline(aGc,workingRect,aBorderColors.iLine); |
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476 |
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477 if (Thickness()) |
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478 { |
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479 workingRect=OutlineInnerRect(workingRect); |
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480 |
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481 if (InternalType()&EOneStep) |
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482 DrawOneStep(aGc,workingRect,aBorderColors.iMidlight,aBorderColors.iMid); |
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483 else if (InternalType()&ETwoStep) |
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484 DrawTwoStep(aGc,workingRect,aBorderColors.iLight,aBorderColors.iMidlight,aBorderColors.iMid,aBorderColors.iDark); |
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485 else if (InternalType()&EInvertedTwoStep) |
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486 DrawInvertedTwoStep(aGc,workingRect,aBorderColors.iLight,aBorderColors.iMidlight,aBorderColors.iMid,aBorderColors.iDark); |
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487 else if (InternalType()&EThreeStep) |
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488 DrawThreeStep(aGc,workingRect,aBorderColors.iBack,aBorderColors.iLight,aBorderColors.iMidlight,aBorderColors.iMid,aBorderColors.iDark); |
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489 } |
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490 |
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491 workingRect=BorderInnerRect(workingRect); |
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492 DrawInline(aGc,workingRect,aBorderColors.iLine); |
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493 } |
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494 |
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495 |
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496 void TGulBorder::DrawInline(CGraphicsContext& aGc,const TRect& aRect,TRgb aColor) const |
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497 { |
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498 if (!(InternalType()&EWithInline)) |
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499 return; |
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500 |
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501 TInt rounding=InlineRounding(); |
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502 |
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503 DrawTopLeft(aGc,aRect,aColor,rounding); |
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504 DrawBottomRight(aGc,aRect,aColor,rounding); |
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505 } |
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506 |
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507 // |
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508 // Draws the optional single pixel outline |
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509 // If there is no outline no drawing is done. |
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510 // |
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511 void TGulBorder::DrawOutline(CGraphicsContext& aGc,const TRect& aRect,TRgb aColor) const |
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512 { |
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513 if (!(InternalType()&EWithOutline)) |
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514 return; |
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515 |
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516 // legacy border types color support |
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517 TRgb color; |
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518 const TInt internalType=InternalType(); |
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519 if(internalType&EBlack) |
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520 color=KRgbBlack; |
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521 else if(internalType&EGray) |
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522 color=KRgbGray; |
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523 else |
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524 color=aColor; |
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525 // |
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526 |
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527 aGc.SetPenColor(color); |
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528 if (internalType&EDottedOutline) |
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529 aGc.SetPenStyle(CGraphicsContext::EDottedPen); |
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530 |
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531 TInt rounding=Rounding(); |
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532 |
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533 if (rounding) |
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534 { |
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535 DrawTopLeft(aGc,aRect,color,rounding); |
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536 DrawBottomRight(aGc,aRect,color,rounding); |
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537 } |
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538 else |
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539 DrawRectOutline(aGc,aRect); |
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540 |
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541 if (internalType&EDottedOutline) |
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542 aGc.SetPenStyle(CGraphicsContext::ESolidPen); |
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543 } |
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544 |
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545 |
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546 // |
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547 // Draws the rectangular version of the outline |
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548 // The outline is not drawn on sides which are adjacent |
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549 // |
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550 void TGulBorder::DrawRectOutline(CGraphicsContext& aGc,const TRect& aRect) const |
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551 { |
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552 // left |
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553 if (!(iType&EGulAdjLeft)) |
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554 aGc.DrawLine(TPoint(aRect.iTl.iX,aRect.iBr.iY-1),TPoint(aRect.iTl.iX,aRect.iTl.iY-1)); |
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555 |
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556 // top |
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557 if (!(iType&EGulAdjTop)) |
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558 aGc.DrawLine(TPoint(aRect.iTl.iX,aRect.iTl.iY),TPoint(aRect.iBr.iX,aRect.iTl.iY)); |
|
559 |
|
560 // right |
|
561 if (!(iType&EGulAdjRight)) |
|
562 aGc.DrawLine(TPoint(aRect.iBr.iX-1,aRect.iTl.iY),TPoint(aRect.iBr.iX-1,aRect.iBr.iY)); |
|
563 |
|
564 // bottom |
|
565 if (!(iType&EGulAdjBottom)) |
|
566 aGc.DrawLine(TPoint(aRect.iBr.iX-1,aRect.iBr.iY-1),TPoint(aRect.iTl.iX-1,aRect.iBr.iY-1)); |
|
567 } |
|
568 |
|
569 // |
|
570 // Draws the one step border type. |
|
571 // This consists of repeated one pixel frames drawn in the mid-tone highlight and lowlight colors |
|
572 // |
|
573 void TGulBorder::DrawOneStep(CGraphicsContext& aGc,const TRect& aRect,TRgb aMidlight,TRgb aMid) const |
|
574 { |
|
575 TRect workingRect = aRect; |
|
576 |
|
577 TRgb topOneColor=aMidlight; |
|
578 TRgb bottomOneColor=aMid; |
|
579 |
|
580 if (InternalType()&ESunken) |
|
581 { |
|
582 topOneColor=aMid; |
|
583 bottomOneColor=aMidlight; |
|
584 } |
|
585 |
|
586 if (InternalType()&EFlat) |
|
587 topOneColor=aMid; |
|
588 |
|
589 TInt rounding=BorderRounding(); |
|
590 |
|
591 for(int i=0;i<Thickness();i++) |
|
592 { |
|
593 DrawBottomRight(aGc,workingRect,bottomOneColor,rounding); |
|
594 DrawTopLeft(aGc,workingRect,topOneColor,rounding); |
|
595 rounding--; |
|
596 workingRect.Shrink(1,1); |
|
597 } |
|
598 } |
|
599 |
|
600 // |
|
601 // Draws the two step border type. |
|
602 // The outer closed frame is drawn in highlihgt and lowlight colors |
|
603 // A repeating one pixel half-frame is then drawn in either the mid-tone highlight or lowlight color. |
|
604 // |
|
605 void TGulBorder::DrawTwoStep(CGraphicsContext& aGc,const TRect& aRect,TRgb aLight,TRgb aMidlight,TRgb aMid,TRgb aDark) const |
|
606 { |
|
607 TRect workingRect = aRect; |
|
608 TBool drawTopLeftOnly=EFalse; |
|
609 |
|
610 TRgb topOneColor=aMid; |
|
611 TRgb bottomOneColor=aMid; |
|
612 TRgb topTwoColor=aLight; |
|
613 TRgb bottomTwoColor=aDark; |
|
614 |
|
615 if (InternalType()&ESunken) |
|
616 { |
|
617 topTwoColor=aDark; |
|
618 bottomTwoColor=aLight; |
|
619 drawTopLeftOnly=ETrue; |
|
620 } |
|
621 |
|
622 if (InternalType()&EFlat) |
|
623 { |
|
624 topTwoColor=aMidlight; |
|
625 bottomTwoColor=aMidlight; |
|
626 drawTopLeftOnly=ETrue; |
|
627 } |
|
628 |
|
629 TInt rounding=BorderRounding(); |
|
630 |
|
631 DrawBottomRight(aGc,workingRect,bottomTwoColor,rounding); |
|
632 DrawTopLeft(aGc,workingRect,topTwoColor,rounding); |
|
633 rounding--; |
|
634 if (drawTopLeftOnly) |
|
635 { |
|
636 workingRect.iTl.iX+=1; |
|
637 workingRect.iTl.iY+=1; |
|
638 workingRect.iBr.iY-=1; |
|
639 } |
|
640 else |
|
641 { |
|
642 workingRect.iTl.iX+=1; |
|
643 workingRect.iBr.iX-=1; |
|
644 workingRect.iBr.iY-=1; |
|
645 } |
|
646 |
|
647 for(int i=0;i<Thickness();i++) |
|
648 { |
|
649 if (drawTopLeftOnly) |
|
650 { |
|
651 DrawTopLeft(aGc,workingRect,topOneColor,rounding); |
|
652 rounding--; |
|
653 workingRect.iTl.iX+=1; |
|
654 workingRect.iTl.iY+=1; |
|
655 } |
|
656 else |
|
657 { |
|
658 DrawBottomRight(aGc,workingRect,bottomOneColor,rounding); |
|
659 rounding--; |
|
660 workingRect.iBr.iX-=1; |
|
661 workingRect.iBr.iY-=1; |
|
662 } |
|
663 } |
|
664 } |
|
665 |
|
666 // |
|
667 // Draw the inverted two step border type. |
|
668 // As above the outer closed frame is drawn in highlihgt and lowlight colors |
|
669 // A repeating one pixel half-frame is then drawn in either the mid-tone highlight or lowlight color. |
|
670 // The difference is that the raised border show using top-left midlight etc. |
|
671 // Another small difference is that sunken has light, midlight colors swapped |
|
672 // |
|
673 void TGulBorder::DrawInvertedTwoStep(CGraphicsContext& aGc,const TRect& aRect,TRgb aLight,TRgb aMidlight,TRgb aMid,TRgb aDark) const |
|
674 { |
|
675 TRect workingRect = aRect; |
|
676 TBool drawTopLeftOnly=ETrue; |
|
677 |
|
678 TRgb topOneColor=aMidlight; |
|
679 TRgb bottomOneColor=aMidlight; |
|
680 TRgb topTwoColor=aLight; |
|
681 TRgb bottomTwoColor=aDark; |
|
682 |
|
683 if (InternalType()&ESunken) |
|
684 { |
|
685 topTwoColor=aDark; |
|
686 bottomTwoColor=aMidlight; |
|
687 bottomOneColor=aLight; |
|
688 drawTopLeftOnly=EFalse; |
|
689 } |
|
690 |
|
691 if (InternalType()&EFlat) |
|
692 { |
|
693 topTwoColor=aMid; |
|
694 bottomTwoColor=aMid; |
|
695 drawTopLeftOnly=EFalse; |
|
696 } |
|
697 |
|
698 TInt rounding=BorderRounding(); |
|
699 |
|
700 DrawBottomRight(aGc,workingRect,bottomTwoColor,rounding); |
|
701 DrawTopLeft(aGc,workingRect,topTwoColor,rounding); |
|
702 rounding--; |
|
703 if (drawTopLeftOnly) |
|
704 { |
|
705 workingRect.iTl.iX+=1; |
|
706 workingRect.iTl.iY+=1; |
|
707 workingRect.iBr.iY-=1; |
|
708 } |
|
709 else |
|
710 { |
|
711 workingRect.iTl.iX+=1; |
|
712 workingRect.iBr.iX-=1; |
|
713 workingRect.iBr.iY-=1; |
|
714 } |
|
715 |
|
716 for(int i=0;i<Thickness();i++) |
|
717 { |
|
718 if (drawTopLeftOnly) |
|
719 { |
|
720 DrawTopLeft(aGc,workingRect,topOneColor,rounding); |
|
721 rounding--; |
|
722 workingRect.iTl.iX+=1; |
|
723 workingRect.iTl.iY+=1; |
|
724 } |
|
725 else |
|
726 { |
|
727 DrawBottomRight(aGc,workingRect,bottomOneColor,rounding); |
|
728 rounding--; |
|
729 workingRect.iBr.iX-=1; |
|
730 workingRect.iBr.iY-=1; |
|
731 } |
|
732 } |
|
733 } |
|
734 |
|
735 // |
|
736 // Draws the three step border type. |
|
737 // The outer frame is drawn in combined colors |
|
738 // A repeating one pixel frame is then drawn in the mid-tone highlight and lowlight colors. |
|
739 // The inner frame is drawn in combined colors |
|
740 // |
|
741 void TGulBorder::DrawThreeStep(CGraphicsContext& aGc,const TRect& aRect,TRgb aBack,TRgb aLight,TRgb aMidlight,TRgb aMid,TRgb aDark) const |
|
742 { |
|
743 TRect workingRect = aRect; |
|
744 |
|
745 TRgb topOneColor=aBack; |
|
746 TRgb bottomOneColor=aMid; |
|
747 TRgb topTwoColor=aLight; |
|
748 TRgb bottomTwoColor=aDark; |
|
749 |
|
750 if (InternalType()&ESunken) |
|
751 { |
|
752 topOneColor=aMid; |
|
753 bottomOneColor=aBack; |
|
754 topTwoColor=aDark; |
|
755 bottomTwoColor=aLight; |
|
756 } |
|
757 |
|
758 if (InternalType()&EFlat) |
|
759 { |
|
760 topOneColor=aMid; |
|
761 bottomOneColor=aMid; |
|
762 topTwoColor=aMidlight; |
|
763 bottomTwoColor=aMidlight; |
|
764 } |
|
765 |
|
766 TInt rounding=BorderRounding(); |
|
767 |
|
768 DrawBottomRight(aGc,workingRect,bottomTwoColor,rounding); |
|
769 DrawTopLeft(aGc,workingRect,topOneColor,rounding); |
|
770 rounding--; |
|
771 workingRect.Shrink(1,1); |
|
772 |
|
773 for(int i=1;i<Thickness();i++) |
|
774 { |
|
775 DrawBottomRight(aGc,workingRect,bottomOneColor,rounding); |
|
776 DrawTopLeft(aGc,workingRect,topOneColor,rounding); |
|
777 rounding--; |
|
778 workingRect.Shrink(1,1); |
|
779 } |
|
780 |
|
781 DrawBottomRight(aGc,workingRect,bottomOneColor,rounding); |
|
782 DrawTopLeft(aGc,workingRect,topTwoColor,rounding); |
|
783 } |
|
784 |
|
785 // |
|
786 // Draws the top left portion of the one pixel border frame |
|
787 // |
|
788 void TGulBorder::DrawTopLeft(CGraphicsContext& aGc,const TRect& aRect,TRgb aColor,const TInt aRounding) const |
|
789 { |
|
790 TInt xOffset=0; |
|
791 TInt yOffset=0; |
|
792 |
|
793 if ((InternalType()&EFlat) || (InternalType()&ERaised)) |
|
794 xOffset=1; |
|
795 |
|
796 if(InternalType()&ESunken) |
|
797 yOffset=1; |
|
798 |
|
799 if((InternalType()&EFlat) && (InternalType()&EThreeStep)) |
|
800 { |
|
801 xOffset=1; |
|
802 yOffset=1; |
|
803 } |
|
804 |
|
805 aGc.SetPenColor(aColor); |
|
806 |
|
807 if (aRounding>0) |
|
808 DrawRoundedTopLeft(aGc,aRect,aRounding); |
|
809 else |
|
810 { |
|
811 // left |
|
812 aGc.DrawLine(TPoint(aRect.iTl.iX,aRect.iTl.iY),TPoint(aRect.iTl.iX,aRect.iBr.iY-yOffset)); |
|
813 // top |
|
814 aGc.DrawLine(TPoint(aRect.iTl.iX,aRect.iTl.iY),TPoint(aRect.iBr.iX-xOffset,aRect.iTl.iY)); |
|
815 } |
|
816 } |
|
817 |
|
818 // |
|
819 // Draws a rounded off version top left portion of the one pixel border frame |
|
820 // |
|
821 void TGulBorder::DrawRoundedTopLeft(CGraphicsContext& aGc,const TRect& aRect,const TInt aRounding) const |
|
822 { |
|
823 // left |
|
824 aGc.DrawLine(TPoint(aRect.iTl.iX,aRect.iTl.iY+aRounding),TPoint(aRect.iTl.iX,aRect.iBr.iY-aRounding)); |
|
825 // top left corner |
|
826 DrawRoundedCorner(aGc,TPoint(aRect.iTl.iX,aRect.iTl.iY+aRounding),aRounding,ETrue,ETrue); |
|
827 // top |
|
828 aGc.DrawLine(TPoint(aRect.iTl.iX+aRounding,aRect.iTl.iY),TPoint(aRect.iBr.iX-aRounding,aRect.iTl.iY)); |
|
829 } |
|
830 |
|
831 // |
|
832 // Draws the bottom right portion of the one pixel border frame |
|
833 // |
|
834 void TGulBorder::DrawBottomRight(CGraphicsContext& aGc,const TRect& aRect,TRgb aColor,const TInt aRounding) const |
|
835 { |
|
836 TInt xOffset=0; |
|
837 TInt yOffset=0; |
|
838 |
|
839 if ((InternalType()&EFlat) || (InternalType()&ERaised)) |
|
840 xOffset=1; |
|
841 |
|
842 if(InternalType()&ESunken) |
|
843 yOffset=1; |
|
844 |
|
845 if((InternalType()&EFlat) && (InternalType()&EThreeStep)) |
|
846 { |
|
847 xOffset=1; |
|
848 yOffset=1; |
|
849 } |
|
850 |
|
851 aGc.SetPenColor(aColor); |
|
852 |
|
853 if (aRounding>0) |
|
854 DrawRoundedBottomRight(aGc,aRect,aRounding); |
|
855 else |
|
856 { |
|
857 // right |
|
858 aGc.DrawLine(TPoint(aRect.iBr.iX-1,aRect.iBr.iY-1),TPoint(aRect.iBr.iX-1,aRect.iTl.iY-1+yOffset)); |
|
859 // bottom |
|
860 aGc.DrawLine(TPoint(aRect.iBr.iX-1,aRect.iBr.iY-1),TPoint(aRect.iTl.iX-1+xOffset,aRect.iBr.iY-1)); |
|
861 } |
|
862 } |
|
863 |
|
864 // |
|
865 // Draws a rounded off version of the bottom right portion of the one pixel border frame |
|
866 // |
|
867 void TGulBorder::DrawRoundedBottomRight(CGraphicsContext& aGc,const TRect& aRect,const TInt aRounding) const |
|
868 { |
|
869 // top right corner |
|
870 DrawRoundedCorner(aGc,TPoint(aRect.iBr.iX-1,aRect.iTl.iY+aRounding),aRounding,ETrue,EFalse); |
|
871 // right |
|
872 aGc.DrawLine(TPoint(aRect.iBr.iX-1,aRect.iBr.iY-1-aRounding),TPoint(aRect.iBr.iX-1,aRect.iTl.iY-1+aRounding)); |
|
873 // bottom right corner |
|
874 DrawRoundedCorner(aGc,TPoint(aRect.iBr.iX-1,aRect.iBr.iY-1-aRounding),aRounding,EFalse,EFalse); |
|
875 // bottom |
|
876 aGc.DrawLine(TPoint(aRect.iBr.iX-1-aRounding,aRect.iBr.iY-1),TPoint(aRect.iTl.iX-1+aRounding,aRect.iBr.iY-1)); |
|
877 // bottom left corner |
|
878 DrawRoundedCorner(aGc,TPoint(aRect.iTl.iX,aRect.iBr.iY-1-aRounding),aRounding,EFalse,ETrue); |
|
879 } |
|
880 |
|
881 // |
|
882 // Implements the rounded corner drawing algorithm |
|
883 // Rounded corners are convex, nestable, symmetric, favour drawing in two pixel steps and favour filling outer pixels |
|
884 // Corners are drawn from aStart, breaching a gap of size (aRoundedLength,aRoundedLength) |
|
885 // and use aUp and aRight to determine direction |
|
886 // Drawing is done vertically from the start and horizontaly from the end till they meet in the middle. |
|
887 // |
|
888 void TGulBorder::DrawRoundedCorner(CGraphicsContext& aGc,const TPoint& aStart,const TInt aRoundedLength, const TBool aUp, const TBool aRight) const |
|
889 { |
|
890 if(aRoundedLength<2) |
|
891 return; |
|
892 |
|
893 TPoint end=aStart; |
|
894 end.iX += aRight ? aRoundedLength : -aRoundedLength; |
|
895 end.iY += aUp ? -aRoundedLength : aRoundedLength; |
|
896 |
|
897 // draw from start |
|
898 aGc.MoveTo(aStart); |
|
899 TInt steps=aRoundedLength/3; |
|
900 TInt count=0; |
|
901 while(count<steps) |
|
902 { |
|
903 aRight ? aGc.MoveBy(TPoint(1,0)) : aGc.MoveBy(TPoint(-1,0)); |
|
904 aUp ? aGc.MoveBy(TPoint(0,-1)) : aGc.MoveBy(TPoint(0,1)); |
|
905 aUp ? aGc.DrawLineBy(TPoint(0,-2)) : aGc.DrawLineBy(TPoint(0,2)); |
|
906 aUp ? aGc.MoveBy(TPoint(0,1)) : aGc.MoveBy(TPoint(0,-1)); |
|
907 count++; |
|
908 } |
|
909 |
|
910 // draw from end |
|
911 aGc.MoveTo(end); |
|
912 count=0; |
|
913 while(count<steps) |
|
914 { |
|
915 aUp ? aGc.MoveBy(TPoint(0,1)) : aGc.MoveBy(TPoint(0,-1)); |
|
916 aRight ? aGc.MoveBy(TPoint(-1,0)) : aGc.MoveBy(TPoint(1,0)); |
|
917 aRight ? aGc.DrawLineBy(TPoint(-2,0)) : aGc.DrawLineBy(TPoint(2,0)); |
|
918 aRight ? aGc.MoveBy(TPoint(1,0)) : aGc.MoveBy(TPoint(-1,0)); |
|
919 count++; |
|
920 } |
|
921 |
|
922 // draw mid point if necessary |
|
923 if(aRoundedLength%3==2) |
|
924 { |
|
925 aUp ? aGc.MoveBy(TPoint(0,1)) : aGc.MoveBy(TPoint(0,-1)); |
|
926 aRight ? aGc.MoveBy(TPoint(-1,0)) : aGc.MoveBy(TPoint(1,0)); |
|
927 aRight ? aGc.DrawLineBy(TPoint(-1,0)) : aGc.DrawLineBy(TPoint(1,0)); |
|
928 } |
|
929 } |
|
930 |
|
931 // |
|
932 // Returns the thickness of the part of the border which is colored in the mid-tone |
|
933 // highlights and lowlights. In general, this is not the same as the size of the border |
|
934 // margins. |
|
935 EXPORT_C TInt TGulBorder::Thickness() const |
|
936 /** |
|
937 @publishedPartner |
|
938 @deprecated |
|
939 */ |
|
940 { |
|
941 TInt thickness=0; |
|
942 |
|
943 if (InternalType()&EAddOnePixel) |
|
944 thickness++; |
|
945 |
|
946 if (InternalType()&EAddTwoPixels) |
|
947 thickness+=2; |
|
948 |
|
949 if (InternalType()&EAddFourPixels) |
|
950 thickness+=4; |
|
951 |
|
952 return thickness; |
|
953 } |
|
954 |
|
955 // |
|
956 // Returns the number of pixels which will be chipped of the corners of a border rectangle |
|
957 // to be joined by an rounding arc. The rounding is determined by the border type. |
|
958 // |
|
959 EXPORT_C TInt TGulBorder::Rounding() const |
|
960 /** |
|
961 @internalComponent |
|
962 @released |
|
963 */ |
|
964 { |
|
965 TInt rounding=0; |
|
966 |
|
967 if (InternalType()&EAddOneRoundingPixel) |
|
968 rounding++; |
|
969 |
|
970 if (InternalType()&EAddTwoRoundingPixels) |
|
971 rounding+=2; |
|
972 |
|
973 if (InternalType()&EAddFourRoundingPixels) |
|
974 rounding+=4; |
|
975 |
|
976 return rounding; |
|
977 } |
|
978 |
|
979 |
|
980 // |
|
981 // Returns the width of the smallest margin possible, given the rounding of the border rectangle. |
|
982 // This is a simple mapping for the rounding range 0-7 and the current drawing algorithm, |
|
983 // |
|
984 TInt TGulBorder::RoundingMargin(const TInt aRoundedLength) const |
|
985 { |
|
986 TInt roundingMargin=0; |
|
987 |
|
988 if (aRoundedLength>4) |
|
989 roundingMargin=2; |
|
990 else if (aRoundedLength>1) |
|
991 roundingMargin=1; |
|
992 |
|
993 return roundingMargin; |
|
994 } |
|
995 |
|
996 |
|
997 inline TInt TGulBorder::InternalType() const |
|
998 { |
|
999 return (iType>>KBorderShift); |
|
1000 } |
|
1001 |
|
1002 |