Patent ID: 7061499
Filing Date: 2006-06-13
Classification: G06T,G09G

Abstract:
1. An image drawing apparatus which performs a bit block transfer operation for image data stored in an arbitrary block area of a first memory, comprising: a first data reading unit storing a source image data into a first image data buffer; a second data reading unit reading a destination image data from a destination area of the first memory and storing the destination image data into a second image data buffer; a third data reading unit reading a transmission coefficient data from a second memory and storing the transmission coefficient data into a transmission coefficient data buffer; and a transmission drawing processing control unit executing a transmission drawing processing for the source image data of the first image data buffer and the destination image data of the second image data buffer by using the transmission coefficient data of the transmission coefficient data buffer to generate a processed image data, wherein the transmission coefficient data, which the third data reading unit reads from the second memory, has a block size that is the same as a block size of the source image data, and contains transmission coefficients that are varied with respect to every pixel of the source image data.