Difference between revisions of "Development/Tutorials/Printing Hello World"

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Print '''Hello World''' on your printer. There will be no more dialog to confirm how many pages you want or the like.
 
Print '''Hello World''' on your printer. There will be no more dialog to confirm how many pages you want or the like.
  
== The code ==
+
== The files ==
 
'''main.cpp'''
 
'''main.cpp'''
 
<syntaxhighlight lang="cpp-qt" line>
 
<syntaxhighlight lang="cpp-qt" line>
Line 55: Line 55:
 
</syntaxhighlight>
 
</syntaxhighlight>
  
== How to compile ==
+
'''CMakeLists.txt'''
 
+
=== CMakeLists.txt ===
+
 
+
 
<syntaxhighlight lang="text">
 
<syntaxhighlight lang="text">
 
find_package(KDE4 REQUIRED)
 
find_package(KDE4 REQUIRED)
Line 67: Line 64:
  
 
=== Make and Run ===
 
=== Make and Run ===
To build and run it, do:
+
To build and run it, make sure you have your build environment set up correctly as described [[Getting_Started/Build|here]], then do:
 
  cmake .
 
  cmake .
 
  make
 
  make
 
  ./printhelloworld
 
  ./printhelloworld
 +
 +
== Next ==
 +
Next: [[Development/Tutorials/Printing_Print_Dialog|How to use the KDE print dialog in your programs]]
  
 
[[Category:KDE4]]
 
[[Category:KDE4]]
 
[[Category:C++]]
 
[[Category:C++]]

Latest revision as of 18:11, 25 September 2011

The mission

Print Hello World on your printer. There will be no more dialog to confirm how many pages you want or the like.

The files

main.cpp

 1 #include <qpainter.h>
 2 #include <qprinter.h>
 3 #include <kapplication.h>
 4 #include <kaboutdata.h>
 5 #include <kmessagebox.h>
 6 #include <kcmdlineargs.h>
 7 
 8 /*
 9 This prints Hello World on your printer
10 */
11 
12 int main(int argc, char *argv[])
13 {
14     KAboutData aboutData(
15                          // The program name used internally.
16                          "tutorial-printing",
17                          // The message catalog name
18                          // If null, program name is used instead.
19                          0,
20                          // A displayable program name string.
21                          ki18n("Printing Tutorial"),
22                          // The program version string.
23                          "1.0",
24                          // Short description of what the app does.
25                          ki18n("Displays a KMessageBox popup"),
26                          // The license this code is released under
27                          KAboutData::License_GPL,
28                          // Copyright Statement
29                          ki18n("(c) 2006-2011"),
30                          // Optional text shown in the About box.
31                          // Can contain any information desired.
32                          ki18n("Some text..."),
33                          // The program homepage string.
34                          "http://example.com/",
35                          // The bug report email address
36                          "submit@bugs.kde.org");
37     KCmdLineArgs::init( argc, argv, &aboutData );
38     KApplication app;
39 
40     QPrinter printer;
41     printer.setFullPage(true);
42     QPainter painter;
43     painter.begin(&printer);
44     painter.drawText(100,100,"Hello World");
45     painter.end(); 
46     // this makes the print job start
47 }

CMakeLists.txt

find_package(KDE4 REQUIRED)
include_directories( ${KDE4_INCLUDES} )
kde4_add_executable(printhelloworld main.cpp)
target_link_libraries(printhelloworld ${KDE4_KDEUI_LIBS} ${QT_QTGUI_LIBRARY})

Make and Run

To build and run it, make sure you have your build environment set up correctly as described here, then do:

cmake .
make
./printhelloworld

Next

Next: How to use the KDE print dialog in your programs


This page was last modified on 25 September 2011, at 18:11. Content is available under Creative Commons License SA 3.0 as well as the GNU Free Documentation License 1.2 unless otherwise noted.