| 摘要 |
<p>PROBLEM TO BE SOLVED: To shorten required time until drawing completion of the whole image when the image is drawn in a memory.SOLUTION: An image processor sets a plurality of subbands obtained by dividing a drawing range of the image (S17), prepares areas in which pieces of image data on the subbands are stored on a memory by initializing the memory, or extending the compressed image data (S18, S20), and draws images of the subbands in the prepared areas based on the pieces of input data (S21). At this time, drawing is performed in parallel with preparation of the area for the next subband for the subbands in which the preparation of the area is completed.</p> |
