Hi There,
I'm trying the Surface.setMatrix api, however, it acts not same with I
expected when I rotate the matrix.
The code looks like:
matrix.setRotate(degrees, width / 2, height / 2);
matrix.getValues(tmpValues);
Surface.openSession();
surface.setMatrix(tempValues[Matrix.MSCALE_X],
tempValues[Matrix.MSKEW_X],
tempValues[Matrix.MSKEW_Y],
tempValues[Matrix.MSCALE_Y]);
Surface.closeSession();
The usage is extracted from WindowManagerService.java.
Can anyone explain the four parameters of Surface.setMatrix (float
dsdx, float dtdx, float dsdy, float dtdy)?
Thanks a lot!
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