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1 /* |
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2 * Copyright (c) 2002-2004 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 // disable "identifier was truncated to '255' characters in the browser information" warning |
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21 #pragma warning (disable:4786) |
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22 |
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23 #include "LayScale.h" |
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24 #include "LayoutParse.h" |
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25 #include "LayoutCompilerErr.h" |
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26 #include <cdlcompilertoolkit/cdltkprocess.h> |
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27 #include <fstream> |
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28 #include <iostream> |
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29 #include <algorithm> |
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30 #include "LayoutWriter.h" |
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31 |
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32 typedef LayoutProcessArgsErr<LayoutScale> LayoutScaleArgsErr; |
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33 |
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34 |
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35 int LayoutScale::Process(const vector<string>& args) |
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36 { |
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37 if (args.size() != 8) |
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38 throw LayoutScaleArgsErr(); |
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39 |
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40 auto_ptr<TLayParseLayout> sourceLayout(TLayParseLayout::Parse(args[2])); |
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41 int sourceWidth = CdlTkUtil::ParseInt(args[3]); |
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42 int sourceHeight = CdlTkUtil::ParseInt(args[4]); |
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43 |
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44 string destLayout = args[5]; |
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45 int destWidth = CdlTkUtil::ParseInt(args[6]); |
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46 int destHeight = CdlTkUtil::ParseInt(args[7]); |
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47 |
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48 LayoutScale scale(*sourceLayout, sourceWidth, sourceHeight, destLayout, destWidth, destHeight); |
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49 scale.Run(); |
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50 |
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51 return 0; |
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52 } |
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53 |
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54 void LayoutScale::ShowHelp(ostream& stream) |
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55 { |
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56 stream << "LayScale <sourceLayout> <sourceWidth> <sourceHeight> <destLayout> <destWidth> <destHeight>" << endl; |
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57 stream << " This performs an arithmetic scaling on all dimensional values in a layout." << endl; |
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58 stream << " This will not produce a pixel perfect scaling effect due to rounding errors," << endl; |
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59 stream << " however it may be sufficient for prototyping and demonstration purposes." << endl; |
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60 } |
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61 |
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62 LayoutScale::LayoutScale(TLayout& aSourceLayout, int aSourceWidth, int aSourceHeight, const string& aDestLayoutName, int aDestWidth, int aDestHeight) |
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63 : iLayout(aSourceLayout), |
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64 iSourceWidth(aSourceWidth), |
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65 iSourceHeight(aSourceHeight), |
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66 iDestLayoutName(aDestLayoutName), |
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67 iDestWidth(aDestWidth), |
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68 iDestHeight(aDestHeight) |
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69 { |
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70 } |
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71 |
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72 void LayoutScale::Run() |
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73 { |
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74 RescaleLayout(); |
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75 WriteLayout(); |
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76 } |
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77 |
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78 const string KHoriz = "lrW"; |
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79 const string KVert = "tbBH"; |
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80 const string KFont = "Font"; |
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81 const string KScaledSuffix = "_Scaled"; |
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82 |
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83 void LayoutScale::RescaleLayout() |
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84 { |
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85 for (TLayout::iterator pTab = iLayout.begin(); pTab != iLayout.end(); ++pTab) |
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86 { |
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87 TLayoutTable& table = **pTab; |
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88 for (TLayoutTable::iterator pLine = table.begin(); pLine != table.end(); ++pLine) |
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89 { |
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90 TLayoutLine& line = **pLine; |
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91 for (TLayoutLine::iterator pCell = line.begin(); pCell != line.end(); ++pCell) |
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92 { |
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93 const string& cellName = pCell->first; |
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94 TValues& values = pCell->second; |
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95 if ( cellName == KFont) |
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96 { |
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97 for (TValues::iterator pVal = values.begin(); pVal != values.end(); ++pVal) |
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98 { |
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99 TagScaledToken(*pVal); |
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100 } |
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101 } |
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102 else |
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103 { |
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104 TScale dir = EHoriz; |
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105 if (KVert.find(cellName) != string::npos) |
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106 dir = EVert; |
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107 else if (KHoriz.find(cellName) == string::npos) |
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108 continue; |
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109 |
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110 for (TValues::iterator pVal = values.begin(); pVal != values.end(); ++pVal) |
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111 { |
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112 RescaleValue(*pVal, dir); |
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113 } |
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114 } |
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115 } |
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116 } |
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117 } |
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118 } |
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119 |
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120 void LayoutScale::RescaleValue(string& aVal, TScale aDir) |
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121 { |
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122 // find all numbers in this value and rescale them, copy non-numeric text directly. |
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123 string result; |
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124 string num; |
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125 int count = aVal.size(); |
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126 for (int pos = 0; pos < count; pos++) |
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127 { |
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128 char c = aVal[pos]; |
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129 if (CdlTkUtil::IsNumeric(c)) |
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130 { |
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131 num += c; |
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132 } |
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133 else |
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134 { |
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135 result += RescaleNum(num, aDir); |
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136 num = ""; |
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137 result += c; |
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138 } |
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139 } |
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140 result += RescaleNum(num, aDir); |
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141 aVal = result; |
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142 } |
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143 |
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144 void LayoutScale::TagScaledToken(string& aToken) |
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145 { |
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146 string result(aToken); |
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147 result += KScaledSuffix; |
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148 aToken = result; |
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149 } |
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150 |
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151 string LayoutScale::RescaleNum(string& aNum, TScale aDir) |
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152 { |
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153 if (aNum.empty()) |
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154 return aNum; |
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155 |
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156 int num = CdlTkUtil::ParseInt(aNum); |
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157 if (aDir == EHoriz) |
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158 num = Scale(num, iDestWidth, iSourceWidth); |
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159 else |
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160 num = Scale(num, iDestHeight, iSourceHeight); |
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161 return CdlTkUtil::IntToString(num); |
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162 } |
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163 |
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164 void LayoutScale::WriteLayout() |
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165 { |
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166 TLayoutWriter writer(iLayout, iDestLayoutName); |
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167 writer.Write(""); |
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168 } |
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169 |
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170 int LayoutScale::Scale(int aNumber, int aNumerator, int aDenominator) |
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171 { |
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172 // round to nearest whole number, rounding up on .5 |
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173 int num = (aNumber * aNumerator) / aDenominator; // rounded down |
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174 int remainder = (aNumber * aNumerator) % aDenominator; // remainder |
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175 |
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176 if ((remainder*2) >= aDenominator) |
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177 num++; // round up if remainder >= half |
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178 |
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179 return num; |
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180 } |
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181 |
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182 |