query_fontT_query_fontQueryFontQueryFontquery_font (Operator)
Name
query_fontT_query_fontQueryFontQueryFontquery_font — Query the available fonts.
Signature
Description
query_fontquery_fontQueryFontQueryFontQueryFontquery_font queries the fonts available for text output in the
output window. They can be set with the operator set_fontset_fontSetFontSetFontSetFontset_font using the
appropriate syntax. Fonts are used by the operators write_stringwrite_stringWriteStringWriteStringWriteStringwrite_string,
read_charread_charReadCharReadCharReadCharread_char, read_stringread_stringReadStringReadStringReadStringread_string and new_linenew_lineNewLineNewLineNewLinenew_line.
Attention
For different machines the available fonts may differ a lot. Therefore
query_fontquery_fontQueryFontQueryFontQueryFontquery_font will return different fonts on different machines.
Execution Information
- Multithreading type: reentrant (runs in parallel with non-exclusive operators).
- Multithreading scope: global (may be called from any thread).
- Processed without parallelization.
Parameters
WindowHandleWindowHandleWindowHandleWindowHandlewindowHandlewindow_handle (input_control) window → HWindow, HTupleHHandleHTupleHtuple (handle) (IntPtr) (HHandle) (handle)
Window handle.
FontFontFontFontfontfont (output_control) string-array → HTupleSequence[str]HTupleHtuple (string) (string) (HString) (char*)
Tuple with available font names.
Example (HDevelop)
open_window(0,0,-1,-1,'root','visible','',WindowHandle)
set_check('~text')
query_font(WindowHandle,Fontlist)
set_color(WindowHandle,'white')
for i:=0 to |Fontlist|-1 by 1
set_display_font (WindowHandle,16,Fontlist[i],'true','false')
write_string(WindowHandle,Fontlist[i])
new_line(WindowHandle)
endfor
Result
query_fontquery_fontQueryFontQueryFontQueryFontquery_font returns 2 (H_MSG_TRUE).
Possible Predecessors
open_windowopen_windowOpenWindowOpenWindowOpenWindowopen_window
Possible Successors
set_fontset_fontSetFontSetFontSetFontset_font,
write_stringwrite_stringWriteStringWriteStringWriteStringwrite_string,
read_stringread_stringReadStringReadStringReadStringread_string,
read_charread_charReadCharReadCharReadCharread_char
See also
set_fontset_fontSetFontSetFontSetFontset_font,
write_stringwrite_stringWriteStringWriteStringWriteStringwrite_string,
read_stringread_stringReadStringReadStringReadStringread_string,
read_charread_charReadCharReadCharReadCharread_char,
new_linenew_lineNewLineNewLineNewLinenew_line
Module
Foundation