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+SkMatrix
+========
+
+*3x3 transforms*
+
+<!-- Updated Mar 4, 2011 -->
+
+Skia is a 2D graphics engine, but it supports a full 3x3
+transformation matrix. This allow it to draw anything (bitmaps, text,
+rectangles, paths) in perspective. SkCamera is a helper class that
+models a camera in 3D, and can be used to generate the proper matrix
+for a given 3D view of the plane.