Bitmap rotation

Hi Micah,

In our app, we want to turn an image from 90 or 270 degres.
To achieve this we thought about displaying the bitmap in a canvas and
using the PG_GROP_ROTATEBITMAP parameter with something like :

  pgWriteCmd (canvas,
              PGCANVAS_GROP,
              7,
              PG_GROP_ROTATEBITMAP,
              x_origin,
              y_origin,
              width,
              height,
              rotation_angle,
              the_bitmap);

Is this the good way? Are the parameters right?

TIA,
-philippe


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