| 摘要 |
A data processing apparatus serving as a display device receives at a user instruction processing portion ( 107 ) a designation of electronic data ( 101 ) to be displayed and responsively reads through an input portion ( 103 ) sub block data ( 102 ) prepared for the electronic data ( 101 ). Of the read sub block data ( 102 ), each block's start/end locations, and a location of an area to be displayed on a screen, as seen from the file's top, are referred to to read only a required block. Then the electronic data ( 101 ) hierarchical structure is analyzed and a layout calculation portion ( 106 ) calculates a layout provided within a screen for display, and a display unit ( 108 ) displays the electronic data ( 101 ).
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