Patent ID: 8537173
Filing Date: 2013-09-17
Classification: G06T

Abstract:
1. A graphics rendering apparatus, comprising: a scaling coefficient determination unit operable to determine, based on polygon data representing a polygon onto which a texture is to be mapped, a scaling coefficient that is a basis for scaling first vector data from which the texture is to be generated; a vector data conversion unit operable to generate second vector data by scaling the first vector data based on the scaling coefficient; a texture generation unit operable to generate a texture based on the second vector data; a texture mapping unit operable to map the texture generated by the texture generation unit onto the polygon; and a virtual plate generation unit operable to generate, based on the polygon data and the first vector data, virtual plate data representing a virtual plate that includes a vector image represented by the first vector data, wherein the vector data conversion unit performs the scaling based on the virtual plate data, the polygon is rectangular, and has a first side of one pair of opposite sides having a length Lx and a second side of the other pair of opposite sides having a length Ly, the scaling coefficient determination unit determines, as the scaling coefficient, a first scaling coefficient scx that corresponds to scaling in a direction along the first side and a second scaling coefficient scy that corresponds to scaling in a direction along the second side, such that expressions 1 and 2 are satisfied, respectively, the virtual plate is rectangular, and has a third side of one pair of opposite sides having a length Lplatex and a fourth side of the other pair of opposite sides having a length Lplatey, and the vector data conversion unit performs the scaling, based on a first scaling rate scalex with respect to scaling in a direction along the third side and a second scaling rate scaley with respect to scaling in a direction along the fourth side that are determined such that expressions 3 and 4 are satisfied, respectively,