android - Matrix Translate Translating Incorrectly -


i working imageview , matrix translation right now. try translating image code.

imageview view = (imageview) findviewbyid(r.id.imageview); view.setscaletype(imageview.scaletype.matrix);  matrix matrix = new matrix(); matrix.posttranslate(0, 0);  view.setimagematrix(matrix);

with above code, imageview show top left image @ top left of screen (number 1). , try change translate value matrix.posttranslate(-1280, -960); expect (number 3) image show outside of screen because image dimension 1280 x 960 px. result image below (number 2).

enter image description here

*black rectangle shown in screen of device.

my question why translating image -1280,-960 moving image center? translating unit not pixel? or making mistake here? device samsung note 3 neo resolution 720 x 1280 pixels.


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