dmx/doc/scaled.xml

22       scaling factor.  For example, this might allow the contents of a
23       window to be magnified for easier viewing.  In particular, scaling
54             scaling for the <command>vncviewer</command> application when
55             displayed using DMX (VNC scaling is currently available only
81                         scaled by appropriate (integral?) scaling factor
100           <sect3><title>Scaling under VNC</title>
103               is possible to specify a scaling factor (as numerator and
104               denominator).  When scaling is in effect, the viewer
111               The scaling in VNC is primitive.  It does not conserve
134             Note, though, that the target output for this scaling is an
148         <sect2><title>VNC-like Scaling</title>
149           <sect3><title>Software Scaling</title>
152               provide software scaling.  This is not a general solution,
161               scaling.
166               instances of these calls have to be aware of scaling
181           <sect3><title>Scaling with the X Video Extension</title>
183               The scaling in the Windows <command>vncviewer</command> application
196               the X Video Extension to provide scaling under X11 that is
197               similar to the scaling currently provided under Windows.
211                   As noted under the software scaling section above,
226                     hardware scaling using an RGB format (e.g., ATI
310                     Video Extension, software scaling can be implemented
327           <sect3><title>Scaling with an XPutImageScaled Extension</title>
360           <sect3><title>Scaling with an XCopyAreaScaled Extension</title>
367               First, XCopyAreaScaled would provide for RGB scaling
375                   Because different planes are involved, the two scaling
413           <sect3><title>Scaling with OpenGL</title>
415               Another general solution to the scaling problem is to use
416               the texture scaling found in all 3D hardware.  This
440         <sect2><title>Application-transparent Scaling for DMX
441           </title><sect3><title>Back-end Scaling Without Disconnect/Reconnect</title>
443               VNC does scaling on the client side (in the
449               XFree86 already implements some support for "scaling" that
463               per-display basis, thereby scaling the information on part
467               However, this scaling appears to have limited use.  For
478           <sect3><title>Back-end Scaling With Disconnect/Reconnect</title>
515               Support for this type of scaling can be implemented in a
523           <sect3><title>Server-side Scaling</title>
529               frame buffer would allow the server to do scaling, but is
542             of XvPutImage by applications requiring scaling requires
556             scaling.  In this section we describe how the call would
564               the same parameters, with the addition of a scaling factor.
621               hardware scaling support), or by modifying all of the
622               various drawing operations to perform scaling.  Because of
634           scaling:
667                 that require scaling will have to fall back to another
668                 scaling method.  We suggest OpenGL as the first fall-back
673                 A project centered around OpenGL-based scaling would
674                 implement this scaling in VNC as an example.  This work
684                 implementation, an application that requires scaling
700                 implementing the X Video Extension even if scaling is
712           functionality.  Further, server-side scaling with a large
717           The back-end scaling, especially with disconnect/reconnect