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Re: Why does GSShowText (and its varients) exist?

From: Derek Fawcus
Subject: Re: Why does GSShowText (and its varients) exist?
Date: Sun, 8 Aug 2010 16:26:46 -0700
User-agent: Mutt/

On Sun, Aug 08, 2010 at 04:52:20PM +0200, Fred Kiefer wrote:
> Am 06.08.2010 02:53, schrieb Derek Fawcus:
> > As far as I can see,  nothing invokes this.
> > 
> > But there is a cairo backend implementation.
> > 
> > So is it cruft that was being removed,  or something being added?
> I think you are right about this. We should drop GSShowText as we
> replaced its use long ago by GSShowGlyphs.
> I am not quite sure what you mean by "its varients" though.

The following code locations,  including the varient named method table slots.

Headers/Additions/GNUstepGUI/GSMethodTable.h:111:  void (*GSShowText__)
Headers/AppKit/DPSOperators.h:165:GSShowText(GSCTXT *ctxt, const char * string, 
size_t length)
Headers/AppKit/DPSOperators.h:690:GSShowText(GSCTXT *ctxt, const char * string, 
size_t length)
Headers/AppKit/DPSOperators.h:692:  (ctxt->methods->GSShowText__)
Headers/AppKit/DPSOperators.h:693:    (ctxt, @selector(GSShowText: :), string, 
Headers/AppKit/NSGraphicsContext.h:308:- (void) GSShowText: (const char 
*)string : (size_t) length;
Source/NSGraphicsContext.m:559:  methodTable.GSShowText__ =
Source/NSGraphicsContext.m:560:    GET_IMP(@selector(GSShowText::));
Source/NSGraphicsContext.m:1069:- (void) GSShowText: (const char *)string : 
(size_t) length

Headers/gsc/GSGStateOps.h:75:- (void) GSShowText: (const char *)string : 
(size_t) length;
Source/cairo/CairoGState.m:416:- (void) GSShowText: (const char *)string : 
Source/gsc/GSContext.m:420:- (void) GSShowText: (const char *)string : (size_t) 
Source/gsc/GSContext.m:422:  [gstate GSShowText: string : length];
Source/gsc/GSGState.m:626:- (void) GSShowText: (const char *)string : (size_t) 
Source/gsc/GSStreamContext.m:286:- (void) GSShowText: (const char *)string : 

Also the same applies to the similarly named Text methods in the method table 
located alongside GSShowText:

GSSetTextDrawingMode  (and the GSTextDrawingMode enum typedef)

There are few or no backend specific implementations,  and no gui calls;
so do they actually serve a useful purpose?

The comments in NSGraphicsContext could be read as them having some future use 
to implementing Quartz.  But I guess not while still bearing the GS prefix.

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