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SlideShow (GL)

   0.7  

KDE Screensaver

Score 43%
SlideShow (GL)
zoom


Link:  Link
Downloads:  8683
Submitted:  Apr 3 2003
Updated:  May 7 2003

Description:

This is a KDE slide show screensaver which uses OpenGL for smooth zooming and crossfades. It has a simular feel to that of the MacOS X slideshow screensaver. Note that since this uses OpenGL textures for the images, you will need significant amounts of texture memory on your card for this to work well (especially for large images).

I would appreciate any _constructive_ input. I changed some of the features of the screensaver: The images used to have a vignette effect, and you could select the size of the image; now the image is always sized so that it fills the screen. Which is preferable? Should it be an option? Does the incremental jpeg loader work? Does it eliminate the lag between images?




Changelog:

- Added support for png images. They are loaded incrementally just like the jpegs, so skipping shouldn't be a problem. please report any problems.

- Stability improvements. Works on both greyscale and color jpeg's now (before it would crash on greyscale jpegs). Gracefully handles unmounting of drives which images are stored on (i.e. it doesn't crash when it can't read an image). Added an option to display the image name in the lower left hand corner. Also, the screensaver no longer always zooms towards the center of an image. It can zoom to any portion of the image, but gives preference to the top half for portrait oriented images (since that is where the center of focus normally resides in portraits). Didn't update the preview cause I'm too lazy.

- Added line to link to libjpeg. For some reason it worked on my machine without it.

- Image directory selection will now traverse into any subdirectories up to depth 1. This means you can effectively use multiple directories for source images by creating a directory with symlinks to your image directories.

- Much faster load up time, much smaller memory footprint, and uses much less CPU time than before.

- Implemented a incremental jpeg loader that (hopefully) prevents jerkiness between images. Movement should be smooth, unless of course, you set the delay time to something very small and your machine cannot finish loading the next image before it is due for display.




LicenseGPL
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 Compiling

 
 by laktose on: Oct 7 2004
 
Score 50%

Trying to compile on MDK 10.1 with QT 3.3.3 and KDE 3.3 I receive the error:
idesaversetup.cpp || echo './'`kslidesaversetup.cpp
cc1plus: warning: command line option "-Wbad-function-cast" is valid for C/ObjC but not for C++
cc1plus: warning: command line option "-Wmissing-prototypes" is valid for Ada/C/ObjC but not forC++
kslidesaversetup.cpp: In constructor `KSlideSaverSetup::KSlideSaverSetup(QWidget*, const char*, bool, uint)':
kslidesaversetup.cpp:163: error: `spacer4' undeclared (first use this function)
kslidesaversetup.cpp:163: error: (Each undeclared identifier is reported only once for each function it appears in.)
kslidesaversetup.cpp:167: error: `spacer5' undeclared (first use this function)
kslidesaversetup.cpp:174: error: `spacer1' undeclared (first use this function)
make[1]: *** [kslidesaversetup.o] Error 1
make[1]: Leaving directory `/damaged/kslidesavergl-0.7/kslidesavergl'
make: *** [all-recursive] Error 1


Got any ideas? :)


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-

 Re: Compiling

 
 by douardda on: Oct 14 2004
 
Score 50%

Have a look here :
http://www.mozilla.org/hacking/portable-cpp.html#no_extra_semi_colons
and maybe, tell the author that gcc3.4 is much more rigid with this syntax rule than older version...

David


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-

 Re: Re: Compiling

 
 by douardda on: Oct 14 2004
 
Score 50%

Sorry, my mistake, I was thinking to something else, maybe ;-)

David


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-

 Re: Compiling

 
 by fesse on: Nov 12 2004
 
Score 50%

I also had this problem, and corrected it by changing three lines in: kslidesaversetup.cpp

Line 163 says:
spacer4 = new QSpacerItem...
but should be:
QSpacerItem* spacer4 = new QSpacerItem...

Also add the prefix QSpacerItem* on line 167 and 174 and it will compile correctly.


//Mathias
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 Re: Re: Compiling

 
 by nimda on: Dec 7 2004
 
Score 50%

Confermed fesse's work around. Change those lines and it willwork.


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-

 not compiling

 
 by AndreAPLx on: Aug 21 2005
 
Score 50%

hi there.i'm trying ./configure but always got :
checking for QT.... configure:error: QT (headers and libraries) not found... but i have qt headers ... anything wrong?
(and script is already correct)
thanks


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-

 Re: not compiling

 
 by GunnerGuyven on: Jun 14 2006
 
Score 50%

I used this:
./configure --with-qt-dir=/usr/share/qt3/ --with-qt-includes=/usr/include/qt3/ --with-qt-libraries=/usr/lib/ --prefix=/usr

search your machine to be sure of the correct paths and use this format


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-
.

 make fails

 
 by raven1high on: Sep 23 2005
 
Score 50%

This one is a wonderful screensaver, but with the newest version of kde - gcc - g++ the compilation fails:

kslidesaver.cpp:23:18: qapp.h: No such file or directory
kslidesaver.cpp: In member function `void KSlideSaver::loadImage1()':
kslidesaver.cpp:247: error: `qApp' undeclared (first use this function)
kslidesaver.cpp:247: error: (Each undeclared identifier is reported only once
for each function it appears in.)
make[3]: *** [kslidesaver.o] Error 1
make[3]: Leaving directory `/sw/kslidesavergl-0.7/kslidesavergl'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/sw/kslidesavergl-0.7/kslidesavergl'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/sw/kslidesavergl-0.7'
make: *** [all] Error 2


Any clue?


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-

 Re: make fails

 
 by GunnerGuyven on: Jun 14 2006
 
Score 50%

it seems that qapp.h is a depreciated qt header, change the #include in line 23 of kslidesaver.cpp to qapplication.h instead


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-
.

 As usual, no FreeBSD

 
 by shupienis on: Jan 16 2006
 
Score 50%

Won't compile in FreeBSD. I guess being forced to use Linux as the only UNIX-like OS isn't quite as evil as being forced to use Windows...

########
...
make all-recursive
Making all in kslidesavergl
"Makefile", line 307: Unassociated shell command "$(DEPDIR)/kslidesaverkss.Po $(DEPDIR)/main.Po"
make: fatal errors encountered -- cannot continue
*** Error code 1

########

Since I'm not a C++ programmer, nor do I ever want to be, can someone who enjoys that $#!& please tell me what DEPDIR is supposed to look for? Every Linux distro has its own directory tree schema, FreeBSD has "man:hier" to specify the "Correct" directory tree scheme. I think if I can translate one to the other, I'll find that I actually DO have all the necessary files where they're "supposed" to be -- at least in the BSD standardized scheme of things.


"I just want to use the computer as a tool, not compile it, like a Heathkit."
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