/usr/share/ncarg/hluex/textitem/tx03f.f is in libncarg-data 6.3.0-6build1.
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C C
C Copyright (C) 1995 C
C University Corporation for Atmospheric Research C
C all rights reserved C
C C
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C
C File: tx03f.f
C
C Author: Bob Lackman (converted by Ed Stautler)
C National Center for Atmospheric Research
C PO 3000, Boulder, Colorado
C
C Date: Fri Jan 06 18:31:18 mdt 1995
C
C Description: Demonstrates the TextItem Object
C Writes "NCAR Graphics" in a series of
C different colors (using the default colormap.)
C
external NhlFAppClass
external NhlFCairoWindowWorkstationClass
external NhlFNcgmWorkstationClass
external NhlFPSWorkstationClass
external NhlFPDFWorkstationClass
external NhlFCairoPSPDFWorkstationClass
external NhlFCairoImageWorkstationClass
external NhlFTextItemClass
integer appid, wid, pid
integer srlist, grlist,ierr
integer i
character*7 wks_type
C
C Default is to create a metafile.
C
wks_type = "x11"
C
C Initialize the high level utility library
C
call NhlFInitialize
C
C Create an application context. Set the app dir to the current
C directory so the application looks for a resource file in the
C working directory. In this example the resource file supplies the
C plot title only.
C
call NhlFRLCreate(srlist,'setrl')
call NhlFRLClear(srlist)
call NhlFRLSetString(srlist,'appUsrDir','./',ierr)
call NhlFRLSetString(srlist,'appDefaultParent','True',ierr)
call NhlFCreate(appid,'tx03',NhlFAppClass,0,srlist,ierr)
if (wks_type.eq."ncgm".or.wks_type.eq."NCGM") then
C
C Create an NCGM workstation.
C
call NhlFRLClear(srlist)
call NhlFRLSetString(srlist,'wkMetaName','./tx03f.ncgm',ierr)
call NhlFCreate(wid,'tx03Work',NhlFNcgmWorkstationClass,0,
1 srlist,ierr)
else if (wks_type.eq."x11".or.wks_type.eq."X11") then
C
C Create an X Workstation.
C
call NhlFRLClear(srlist)
call NhlFRLSetString(srlist,'wkPause','True',ierr)
call NhlFCreate(wid,'tx03Work',
$ NhlFCairoWindowWorkstationClass,
$ 0,srlist,ierr)
else if (wks_type.eq."oldps".or.wks_type.eq."OLDPS") then
C
C Create an older-style PostScript workstation.
C
call NhlFRLClear(srlist)
call NhlFRLSetString(srlist,'wkPSFileName','./tx03f.ps',ierr)
call NhlFCreate(wid,'tx03Work',NhlFPSWorkstationClass,0,
1 srlist,ierr)
else if (wks_type.eq."oldpdf".or.wks_type.eq."OLDPDF") then
C
C Create an older-style PDF workstation.
C
call NhlFRLClear(srlist)
call NhlFRLSetString(srlist,'wkPDFFileName','./tx03f.pdf',ierr)
call NhlFCreate(wid,'tx03Work',NhlFPDFWorkstationClass,0,
1 srlist,ierr)
else if (wks_type.eq."pdf".or.wks_type.eq."PDF".or.
+ wks_type.eq."ps".or.wks_type.eq."PS") then
C
C Create a cairo PS/PDF object.
C
call NhlFRLClear(srlist)
call NhlFRLSetString(srlist,'wkFormat',wks_type,ierr)
call NhlFRLSetString(srlist,'wkFileName','./tx03f',ierr)
call NhlFCreate(wid,'tx03Work',
1 NhlFCairoPSPDFWorkstationClass,0,srlist,ierr)
else if (wks_type.eq."png".or.wks_type.eq."PNG") then
C
C Create a cairo PNG object.
C
call NhlFRLClear(srlist)
call NhlFRLSetString(srlist,'wkFormat',wks_type,ierr)
call NhlFRLSetString(srlist,'wkFileName','./tx03f',ierr)
call NhlFCreate(wid,'tx03Work',
1 NhlFCairoImageWorkstationClass,0,srlist,ierr)
endif
C
C Get the number of colors in the default color table.
C
call NhlFRLCreate(grlist,'getrl')
call NhlFRLClear(grlist)
call NhlFRLGetInteger(grlist,'wkColorMapLen',num_colors,ierr)
call NhlFGetValues(wid,grlist,ierr)
C
C
C Create a TextItem and then draw multiple frames varying the fill
C color of the text bounding box to all entries of the default
C workstation color map.
C
call NhlFRLClear(srlist)
call NhlFCreate(pid,'TextItems',NhlFTextItemClass,
$ wid,srlist,ierr)
do 10 i=1,num_colors,10
call NhlFRLClear(srlist)
call NhlFRLSetinteger(srlist,'txBackgroundFillColor',
$ i,ierr)
call NhlFSetValues(pid,srlist,ierr)
call NhlFDraw(pid,ierr)
call NhlFFrame(wid,ierr)
10 continue
C
call NhlFDestroy(pid,ierr)
call NhlFDestroy(wid,ierr)
call NhlFDestroy(appid,ierr)
call NhlFClose
C
stop
end
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