1 | unit UBitmapSet;
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2 |
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3 | {$mode delphi}{$H+}
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4 |
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5 | interface
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6 |
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7 | uses
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8 | Classes, SysUtils, fgl, XMLRead, XMLWrite, DOM, UXMLUtils;
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9 |
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10 | type
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11 |
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12 | { TBitmapDesc }
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13 |
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14 | TBitmapDesc = class
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15 | Name: string;
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16 | Rect: TRect;
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17 | Color1: Cardinal;
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18 | Color2: Cardinal;
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19 | private
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20 | procedure LoadFromNode(Node: TDOMNode);
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21 | procedure SaveToNode(Node: TDOMNode);
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22 | end;
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23 |
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24 | { TBitmapDescs }
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25 |
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26 | TBitmapDescs = class(TFPGObjectList<TBitmapDesc>)
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27 | private
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28 | procedure LoadFromNode(Node: TDOMNode);
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29 | procedure SaveToNode(Node: TDOMNode);
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30 | end;
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31 |
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32 | { TBitmapSet }
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33 |
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34 | TBitmapSet = class
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35 | FileName: string;
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36 | ImageFileName: string;
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37 | Items: TBitmapDescs;
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38 | procedure LoadFromFile(FileName: string);
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39 | procedure SaveToFile(FileName: string);
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40 | constructor Create;
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41 | destructor Destroy; override;
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42 | end;
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43 |
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44 |
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45 | implementation
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46 |
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47 | resourcestring
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48 | SWrongFileFormat = 'Wrong file format';
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49 |
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50 |
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51 | procedure TBitmapDesc.SaveToNode(Node: TDOMNode);
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52 | begin
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53 | WriteString(Node, 'Name', Name);
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54 | WriteInteger(Node, 'Left', Rect.Left);
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55 | WriteInteger(Node, 'Top', Rect.Top);
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56 | WriteInteger(Node, 'Width', Rect.Width);
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57 | WriteInteger(Node, 'Height', Rect.Height);
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58 | WriteInteger(Node, 'Color1', Color1);
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59 | WriteInteger(Node, 'Color2', Color2);
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60 | end;
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61 |
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62 | procedure TBitmapDesc.LoadFromNode(Node: TDOMNode);
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63 | begin
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64 | Name := ReadString(Node, 'Name', '');
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65 | Rect.Left := ReadInteger(Node, 'Left', 0);
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66 | Rect.Top := ReadInteger(Node, 'Top', 0);
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67 | Rect.Width := ReadInteger(Node, 'Width', 0);
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68 | Rect.Height := ReadInteger(Node, 'Height', 0);
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69 | Color1 := ReadInteger(Node, 'Color1', 0);
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70 | Color2 := ReadInteger(Node, 'Color2', 0);
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71 | end;
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72 |
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73 | procedure TBitmapDescs.SaveToNode(Node: TDOMNode);
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74 | var
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75 | I: Integer;
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76 | NewNode2: TDOMNode;
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77 | begin
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78 | for I := 0 to Count - 1 do
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79 | with TBitmapDesc(Items[I]) do begin
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80 | NewNode2 := Node.OwnerDocument.CreateElement('Bitmap');
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81 | Node.AppendChild(NewNode2);
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82 | SaveToNode(NewNode2);
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83 | end;
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84 | end;
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85 |
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86 | procedure TBitmapDescs.LoadFromNode(Node: TDOMNode);
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87 | var
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88 | Node2: TDOMNode;
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89 | NewItem: TBitmapDesc;
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90 | begin
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91 | Count := 0;
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92 | Node2 := Node.FirstChild;
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93 | while Assigned(Node2) and (Node2.NodeName = 'Bitmap') do begin
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94 | NewItem := TBitmapDesc.Create;
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95 | NewItem.LoadFromNode(Node2);
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96 | Add(NewItem);
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97 | Node2 := Node2.NextSibling;
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98 | end;
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99 | end;
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100 |
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101 | { TBitmapSet }
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102 |
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103 | constructor TBitmapSet.Create;
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104 | begin
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105 | Items := TBitmapDescs.Create;
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106 | end;
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107 |
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108 | destructor TBitmapSet.Destroy;
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109 | begin
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110 | FreeAndNil(Items);
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111 | inherited;
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112 | end;
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113 |
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114 | procedure TBitmapSet.LoadFromFile(FileName: string);
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115 | var
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116 | NewNode: TDOMNode;
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117 | Doc: TXMLDocument;
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118 | RootNode: TDOMNode;
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119 | begin
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120 | Self.FileName := FileName;
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121 | ReadXMLFile(Doc, FileName);
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122 | with Doc do try
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123 | if Doc.DocumentElement.NodeName <> 'BitmapSet' then
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124 | raise Exception.Create(SWrongFileFormat);
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125 | RootNode := Doc.DocumentElement;
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126 | with RootNode do begin
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127 | ImageFileName := ReadString(RootNode, 'Image', '');
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128 |
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129 | NewNode := FindNode('Bitmaps');
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130 | if Assigned(NewNode) then
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131 | Items.LoadFromNode(NewNode);
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132 | end;
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133 | finally
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134 | Doc.Free;
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135 | end;
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136 | end;
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137 |
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138 | procedure TBitmapSet.SaveToFile(FileName: string);
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139 | var
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140 | NewNode: TDOMNode;
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141 | Doc: TXMLDocument;
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142 | RootNode: TDOMNode;
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143 | begin
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144 | Self.FileName := FileName;
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145 | Doc := TXMLDocument.Create;
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146 | with Doc do try
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147 | RootNode := CreateElement('BitmapSet');
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148 | AppendChild(RootNode);
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149 | with RootNode do begin
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150 | WriteString(RootNode, 'Image', ImageFileName);
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151 |
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152 | NewNode := OwnerDocument.CreateElement('Bitmaps');
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153 | AppendChild(NewNode);
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154 | Items.SaveToNode(NewNode);
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155 | end;
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156 | ForceDirectories(ExtractFileDir(FileName));
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157 | WriteXMLFile(Doc, FileName);
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158 | finally
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159 | Doc.Free;
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160 | end;
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161 | end;
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162 |
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163 | end.
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164 |
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