DISPLAY CONTROLLER

PURPOSE:To handle even image data, which are divided and controlled as plural pages, ad the same page when the data are displayed by providing a recording control means and a development control means. CONSTITUTION:A filing system wherein respective page areas of a recording medium are stored with image data of fixed form size is equipped with the recording control means and development control means. When the image data which area not of the fixed form size are recorded on the recording medium of an optical disk 1 while divided into different page areas, specific codes area added to the respective divided data and in the case of display control all divided data with these specific codes are developed by using the storage areas out of fixed form size of the page memory. Therefore, even the image data which are divided and controlled as plural pages can be handled as the same page when displayed. Consequently, the entire image of even a drawing which does not meet standards can easily be grasped.