| 摘要 |
<P>PROBLEM TO BE SOLVED: To suppress a usage amount of an off-screen buffer required to execute transparent processing with respect to object data having a plurality of graphics or the like. <P>SOLUTION: An image processing device determines whether or not an off-screen buffer required to draw a plurality of drawing elements of object data is secured based on attribute values of the object data, and secures the off-screen buffer required to draw the plurality of drawing elements of the object data in a case where the off-screen buffer is determined to be secured. The image processing device further obtains off-screen image data by sequentially drawing the plurality of drawing elements into the off- screen buffer having been secured as opaque elements, and executes transparent processing with respect to the off-screen image data having been obtained so as to write the off-screen image data into an on-screen buffer. <P>COPYRIGHT: (C)2012,JPO&INPIT |
