DPI is still a complete mess in X, and I don't see any point in trying to create a proper value as we don't have any knowledge of the physical screen in VNC. Instead we should try to retain the initial DPI at all times as that makes things behave fairly consistent.
This should be in 1.0.
Index: xserver/hw/vnc/xvnc.cc
===================================================================
--- xserver/hw/vnc/xvnc.cc (revision 3829)
+++ xserver/hw/vnc/xvnc.cc (working copy)
@@ -991,6 +991,7 @@
void *pbits;
Bool ret;
int oldwidth, oldheight, oldmmWidth, oldmmHeight;
+ int dpix, dpiy;
/* Prevent updates while we fiddle */
xf86SetRootClip(pScreen, FALSE);
@@ -1001,12 +1002,18 @@
oldmmWidth = pScreen->mmWidth;
oldmmHeight = pScreen->mmHeight;
+ /* Compute the current DPI (for use later) */
+ dpix = (pScreen->width * 254 + pScreen->mmWidth * 5) / (pScreen->mmWidth *
10);
+ dpiy = (pScreen->height * 254 + pScreen->mmHeight * 5) /
(pScreen->mmHeight * 10);
+
/* Then set the new dimensions */
pScreen->width = pSize->width;
pScreen->height = pSize->height;
- pScreen->mmWidth = pSize->mmWidth;
- pScreen->mmHeight = pSize->mmHeight;
+ /* Try to keep the same DPI as we do not have a physical screen */
+ pScreen->mmWidth = (pScreen->width * 254 + dpix * 5) / (dpix * 10);
+ pScreen->mmHeight = (pScreen->height * 254 + dpiy * 5) / (dpiy * 10);
+
/* Allocate a new framebuffer */
memset(&fb, 0, sizeof(vfbFramebufferInfo));
--
Pierre Ossman OpenSource-based Thin Client Technology
System Developer Telephone: +46-13-21 46 00
Cendio AB Web: http://www.cendio.com
signature.asc
Description: PGP signature
------------------------------------------------------------------------------ OpenSolaris 2009.06 is a cutting edge operating system for enterprises looking to deploy the next generation of Solaris that includes the latest innovations from Sun and the OpenSource community. Download a copy and enjoy capabilities such as Networking, Storage and Virtualization. Go to: http://p.sf.net/sfu/opensolaris-get
_______________________________________________ Tigervnc-devel mailing list Tigervnc-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/tigervnc-devel
