Selection width and height issue

[joaoAvno]

anyone have this problem? https://www.dropbox.com/s/gw6arfkus0jxb82/Captura%20de%20ecr%C3%A3%202014-04-30%2C%20%C3%A0s%2010.37.43.png

the position X and Y is right but the width and height not.

in the PDFKitten orginal source code works very good -> https://www.dropbox.com/s/vvogme9frdnoxcq/Captura%20de%20ecr%C3%A3%202014-04-30%2C%20%C3%A0s%2010.41.55.png

is the same document, and the same files, i dont understand why this happens.

My Sorce code -> https://www.dropbox.com/s/lblbjpsuekd35nl/QuartzPdf.zip