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Thank's a lot, I fixed it getting the active-layer for the image and passing it to -is-rgb. On Wednesday 17 December 2008 15:44:12 saulgoode@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx wrote: > You have been using TRUE and FALSE correctly. The problem with Pablo's > script is that he passing the 'image' variable to > 'gimp-drawable-is-rgb'. Presumably his script does not generate an > error because he is executing his script on the first image he opened > thus the imageID is "1" -- which happens to be the drawableID for > GIMP's selection mask. Therefore, since the selection mask is a > grayscale drawable, 'gimp-drawable-is-rgb' returns FALSE even though > his image may be RGB. > > To Pablo, if you wish to determine the mode of your image, I would > recommend using 'gimp-image-base-type' and pass it the imageID. If you > use 'gimp-drawable-is-foo' then be sure that the drawableID which you > pass to it is the correct one. > > As further background about these booleans, Script-fu's TRUE and FALSE > values do not correspond to Scheme's #t and #f booleans. TRUE and > FALSE are integer constants ("1" and "0" respectively). In point of > fact, FALSE (the integer "0") will be treated as #t (boolean true) by > any Script-fu testing it directly. > > There WAS a change in the transition from SIOD (in GIMP <2.2) to > TinyScheme (GIMP >2.4), however, the change was that SIOD treated the > empty list as boolean false; whereas in TinyScheme (and all other R5RS > Schemes) everything except #f (boolean false) is considered to be #t > (boolean true). > > Quoting Rob Antonishen <rob.antonishen@xxxxxxxxx>: > > Should SF-TOGGLE be evaluated as a boolean or int in a scheme script? > > > > I have been using (if (= inToggle TRUE) (do-true) (do-false)) where > > inToggle is a toggle (check box) parameter, > > > > Because (if inToggle (do-true) (do-false)) always returns as true. > > > > -Rob A. > > > > On 12/17/08, Pablo Yaggi <pyaggi@xxxxxxxxxxxxxxx> wrote: > >> Working with gimp 2.6 this segment of codes > >> > >> (if (= (car (gimp-drawable-is-rgb image)) FALSE) > >> (gimp-image-convert-rgb image) > >> ) > >> > >> gives me this error > >> > >> > >> Error while executing script-fu-mirror-table: > >> > >> Error: Procedure execution of gimp-image-convert-rgb failed on > >> invalid input arguments: Image 'file:///home/pablo/glam.jpg' (1) is > >> already of > >> type 'rgb' > >> > >> Bests, > >> Pablo > >> > >> > >> (Martin told me my font was too small, is it right now ? ) > > > > _______________________________________________ > > Gimp-developer mailing list > > Gimp-developer@xxxxxxxxxxxxxxxxxxxxxx > > https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-developer > > _______________________________________________ > Gimp-developer mailing list > Gimp-developer@xxxxxxxxxxxxxxxxxxxxxx > https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-developer |
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