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Difference between revisions of "AGIWiki/Display text on screen"

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Text replacement - "</source>" to "</syntaxhighlight>"
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{{AGIWiki}}
{{AGIWiki}}
<center>'''[[AGIWiki/Tutorials and Guides|Tutorials and Guides]]'''</center>


== Basics ==
== Basics ==
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A typical messagebox, displayed in the middle of the screen.
A typical messagebox, displayed in the middle of the screen.


<syntax type="C++">
<syntaxhighlight lang="cpp">
print("Hello world");
print("Hello world");
</syntax>
</syntaxhighlight>


Same but using ability to use #message .
Same but using ability to use #message .


<syntax type="C++">
<syntaxhighlight lang="cpp">
print(m1);
print(m1);


return();
return();
#message 1 "Hello world"
#message 1 "Hello world"
</syntax>
</syntaxhighlight>


This time in the #message-part has been put a [[AGIWiki/String|string]]. Note that string s1 has been defined '''before''' using print-command and #message can be also elsewhere within the logic than beneath return-command.
This time in the #message-part has been put a [[AGIWiki/String|string]]. Note that string s1 has been defined '''before''' using print-command and #message can be also elsewhere within the logic than beneath return-command.


<syntax type="C++">
<syntaxhighlight lang="cpp">
set.string(s1,"Hello world");
set.string(s1,"Hello world");
print(m1);
print(m1);
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return();
return();
#message 1 "%s1"
#message 1 "%s1"
</syntax>
</syntaxhighlight>


=== Print.v ===
=== Print.v ===
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Print.v provides a way for one print.v to display various messages. Once again it is important to define all modifiers before printing.
Print.v provides a way for one print.v to display various messages. Once again it is important to define all modifiers before printing.


<syntax type="C++">
<syntaxhighlight lang="cpp">
v40 = 2; /* Oh hai just sounds better than Hello */
v40 = 2; /* Oh hai just sounds better than Hello */
set.string(s1,"Hello world");
set.string(s1,"Hello world");
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#message 1 "%s1"
#message 1 "%s1"
#message 2 "Oh hai world"
#message 2 "Oh hai world"
</syntax>
</syntaxhighlight>


=== Print.at ===
=== Print.at ===
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Should a need for displaying messagebox elsewhere than middle arise, print.at is the solution.
Should a need for displaying messagebox elsewhere than middle arise, print.at is the solution.


<syntax type="C++">
<syntaxhighlight lang="cpp">
print.at(m2,1,20,10);
print.at(m2,1,20,10);
   
   
return();
return();
#message 2 "Oh hai world"
#message 2 "Oh hai world"
</syntax>
</syntaxhighlight>


=== Print.at.v ===
=== Print.at.v ===
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With this command WinAGI is the IDE. The correct syntax being <code>print.at.v(vA,byte ROW,byte COLUMN,byte MAXWIDTH);</code>
With this command WinAGI is the IDE. The correct syntax being <code>print.at.v(vA,byte ROW,byte COLUMN,byte MAXWIDTH);</code>


<syntax type="C++">
<syntaxhighlight lang="cpp">
#message 2 "Hallo world"
#message 2 "Hallo world"
#message 1 "%s1"
#message 1 "%s1"
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return();
return();
</syntax>
</syntaxhighlight>


==== AGI Studio ====
==== AGI Studio ====
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AGI Studio's helpfile claims that command should be like this: <code>print.at.v(vA,vX,vY,vW);</code> but it only accepts <code>print.at.v(mA,vX,vY,vW);</code>. It is better to avoid using this command under AGI Studio altogether and compile it with WinAGI and with correct syntax.
AGI Studio's helpfile claims that command should be like this: <code>print.at.v(vA,vX,vY,vW);</code> but it only accepts <code>print.at.v(mA,vX,vY,vW);</code>. It is better to avoid using this command under AGI Studio altogether and compile it with WinAGI and with correct syntax.


<syntax type="C++">
<syntaxhighlight lang="cpp">
#message 2 "Hello world"
#message 2 "Hello world"
   
   
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   }
   }
   return();
   return();
</syntax>
</syntaxhighlight>


However, it will only print empty, yet right size messagebox. Weird, huh.
However, it will only print empty, yet right size messagebox. Weird, huh.
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