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applied slightly modified version of a patch provided by

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2008-08-07  Sven Neumann  <sven@gimp.org>

	* plug-ins/script-fu/scripts/frosty-logo.scm: applied slightly
	modified version of a patch provided by LightningIsMyName.
	Catches some cases where the script would fail (bug #472316).


svn path=/trunk/; revision=26433
This commit is contained in:
Sven Neumann
2008-08-07 21:48:19 +00:00
committed by Sven Neumann
parent 7caf4cfc34
commit cf2c4f7639
2 changed files with 83 additions and 62 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2008-08-07 Sven Neumann <sven@gimp.org>
* plug-ins/script-fu/scripts/frosty-logo.scm: applied slightly
modified version of a patch provided by LightningIsMyName.
Catches some cases where the script would fail (bug #472316).
2008-08-07 Sven Neumann <sven@gimp.org> 2008-08-07 Sven Neumann <sven@gimp.org>
* app/actions/layers-actions.c (layers_actions): added mnemonic to * app/actions/layers-actions.c (layers_actions): added mnemonic to

139
plug-ins/script-fu/scripts/frosty-logo.scm
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@ -1,33 +1,48 @@
; FROZEN-TEXT effect ; FROZEN-TEXT effect
; Thanks to Ed Mackey for this one ; Thanks to Ed Mackey for this one
; Written by Spencer Kimball ; Written by Spencer Kimball
(define (apply-frosty-logo-effect img (define (apply-frosty-logo-effect img
logo-layer logo-layer
size size
bg-color) bg-color
isnew) ; The parameter isnew is used
; when the script is called
; using the logo script (not
; alpha to logo), in order to
; make sure some actions are
; performed only then
(let* ( (let* (
(border (/ size 5)) (border (/ size 5))
(width (+ (car (gimp-drawable-width logo-layer)) border)) (width (+ (car (gimp-drawable-width logo-layer)) border))
(height (+ (car (gimp-drawable-height logo-layer)) border)) (height (+ (car (gimp-drawable-height logo-layer)) border))
(logo-layer-mask (car (gimp-layer-create-mask logo-layer (logo-layer-mask (car (gimp-layer-create-mask logo-layer
ADD-BLACK-MASK))) ADD-BLACK-MASK)))
(sparkle-layer (car (gimp-layer-new img width height RGBA-IMAGE (sparkle-layer (car (gimp-layer-new img width height RGBA-IMAGE
"Sparkle" 100 NORMAL-MODE))) "Sparkle" 100 NORMAL-MODE)))
(matte-layer (car (gimp-layer-new img width height RGBA-IMAGE (matte-layer (car (gimp-layer-new img width height RGBA-IMAGE
"Matte" 100 NORMAL-MODE))) _"Matte" 100 NORMAL-MODE)))
(shadow-layer (car (gimp-layer-new img width height RGBA-IMAGE (shadow-layer (car (gimp-layer-new img
(+ border width)
(+ border height)
RGBA-IMAGE
"Shadow" 90 MULTIPLY-MODE))) "Shadow" 90 MULTIPLY-MODE)))
(bg-layer (car (gimp-layer-new img width height RGB-IMAGE (bg-layer (car (gimp-layer-new img width height RGB-IMAGE
"Background" 100 NORMAL-MODE))) "Background" 100 NORMAL-MODE)))
(selection 0) (selection 0)
(stack (car(gimp-image-get-layer-position img logo-layer)))
) )
(gimp-context-push) (gimp-context-push)
(if ( = isnew 1) (script-fu-util-image-resize-from-layer img shadow-layer))
(gimp-layer-add-mask logo-layer logo-layer-mask) (gimp-layer-add-mask logo-layer logo-layer-mask)
(script-fu-util-image-resize-from-layer img shadow-layer) (gimp-image-add-layer img sparkle-layer (+ 1 stack))
(script-fu-util-image-add-layers img sparkle-layer matte-layer shadow-layer bg-layer) (gimp-image-add-layer img matte-layer (+ 2 stack))
(gimp-image-add-layer img shadow-layer (+ 3 stack))
(gimp-layer-translate shadow-layer (- border) (- border))
(gimp-image-add-layer img bg-layer 5)
(gimp-selection-none img) (gimp-selection-none img)
(gimp-edit-clear sparkle-layer) (gimp-edit-clear sparkle-layer)
(gimp-edit-clear matte-layer) (gimp-edit-clear matte-layer)
@ -71,17 +86,9 @@
(gimp-selection-none img) (gimp-selection-none img)
(gimp-image-remove-channel img selection) (gimp-image-remove-channel img selection)
(for-each (lambda (the-layer)
(gimp-layer-resize the-layer (- width border) (- height border)
(- border) (- border))
)
(list sparkle-layer matte-layer bg-layer)
)
(gimp-layer-resize shadow-layer (- width border) (- height border) 0 0)
(gimp-layer-translate shadow-layer border border) (gimp-layer-translate shadow-layer border border)
(script-fu-util-image-resize-from-layer img logo-layer) (if ( = isnew 1) (script-fu-util-image-resize-from-layer img logo-layer))
(gimp-layer-translate bg-layer (- 0 border) (- 0 border)) (gimp-layer-translate bg-layer (- 0 border) (- 0 border))
@ -94,47 +101,31 @@
size size
bg-color) bg-color)
(let* (
(position (- (car(gimp-image-get-layer-position img logo-layer)) 1))
(duplicate (car (gimp-layer-new-from-drawable logo-layer img)))
(name (car (gimp-layer-get-name logo-layer)))
(select (cons-array 4 'byte))
(crop 0)
(temp 0)
)
(gimp-image-undo-group-start img) (gimp-image-undo-group-start img)
;Checking if the effect size is to big or not
(gimp-selection-layer-alpha logo-layer) (gimp-selection-layer-alpha logo-layer)
(gimp-image-add-layer img duplicate -1) (gimp-selection-feather img (/ size 5))
(gimp-layer-resize-to-image-size duplicate) (gimp-selection-sharpen img)
(gimp-selection-none img)
(apply-frosty-logo-effect img duplicate size bg-color)
(set! crop (aref (cadr (gimp-image-get-layers img)) (+ position 6)))
(set! temp (aref (cadr (gimp-image-get-layers img)) (+ position 3)))
(gimp-selection-layer-alpha temp)
(aset select 0 (cadr (gimp-selection-bounds img)))
(aset select 1 (caddr (gimp-selection-bounds img)))
(aset select 2 (cadddr (gimp-selection-bounds img)))
(aset select 3 (cadddr (cdr(gimp-selection-bounds img))))
(gimp-layer-resize crop (if (= 1 (car(gimp-selection-is-empty img)))
(+ 20 (- (aref select 2) (aref select 0))) (begin
(+ 20 (- (aref select 3) (aref select 1))) (gimp-image-undo-group-end img)
(- 0 (+ 0 (aref select 0))) (gimp-selection-none img)
(- 0 (+ 0 (aref select 1)))) (gimp-message "Your layer's opaque parts are either too small for
(gimp-layer-resize duplicate this effect size, or they are not inside the canvas.")
(car (gimp-drawable-width logo-layer)) ))
(car (gimp-drawable-height logo-layer))
(- 0 (car (gimp-drawable-offsets logo-layer)))
(- 0 (cadr (gimp-drawable-offsets logo-layer))))
(gimp-image-remove-layer img logo-layer)
(gimp-layer-set-name duplicate name)
(gimp-selection-none img) (if (= 0 (car(gimp-selection-is-empty img)))
(gimp-image-undo-group-end img) (begin
(gimp-displays-flush) (gimp-selection-none img)
) (gimp-layer-resize-to-image-size logo-layer)
(apply-frosty-logo-effect img logo-layer size bg-color 0)
(gimp-selection-none img)
(gimp-image-undo-group-end img)
(gimp-displays-flush)
))
) )
(script-fu-register "script-fu-frosty-logo-alpha" (script-fu-register "script-fu-frosty-logo-alpha"
@ -162,12 +153,36 @@
(img (car (gimp-image-new 256 256 RGB))) (img (car (gimp-image-new 256 256 RGB)))
(border (/ size 5)) (border (/ size 5))
(text-layer (car (gimp-text-fontname img -1 0 0 text (* border 2) TRUE size PIXELS font))) (text-layer (car (gimp-text-fontname img -1 0 0 text (* border 2) TRUE size PIXELS font)))
) (error-string "The text you entered contains only spaces.")
(gimp-image-undo-disable img) )
(apply-frosty-logo-effect img text-layer size bg-color) (if (= text-layer -1) ; checking that the text layer was created
(gimp-image-undo-enable img) ; succesfully - it has more then just
(gimp-display-new img) ; empty charcters
) (begin
(gimp-image-delete img)
(gimp-message error-string)
)
(begin ; Checking if the effect size is too big or not
(gimp-image-undo-disable img)
(gimp-selection-layer-alpha text-layer)
(gimp-selection-feather img border)
(gimp-selection-sharpen img)
(if (= 0 (car(gimp-selection-is-empty img))) ; Checking whether
; the effect size
; is too big
(begin
(apply-frosty-logo-effect img text-layer size bg-color 1)
(gimp-selection-all img)
(gimp-image-undo-enable img)
(gimp-display-new img)
))
(if (= 1 (car(gimp-selection-is-empty img)))
(begin
(gimp-image-delete img)
(gimp-message error-string)
))))
)
) )
(script-fu-register "script-fu-frosty-logo" (script-fu-register "script-fu-frosty-logo"
@ -177,10 +192,10 @@
"Spencer Kimball & Ed Mackey" "Spencer Kimball & Ed Mackey"
"1997" "1997"
"" ""
SF-STRING _"Text" "GIMP" SF-STRING _"Text" "GIMP"
SF-ADJUSTMENT _"Font size (pixels)" '(100 2 1000 1 10 0 1) SF-ADJUSTMENT _"Font size (pixels)" '(100 2 1000 1 10 0 1)
SF-FONT _"Font" "Becker" SF-FONT _"Font" "Becker"
SF-COLOR _"Background color" "white" SF-COLOR _"Background color" "white"
) )
(script-fu-menu-register "script-fu-frosty-logo" (script-fu-menu-register "script-fu-frosty-logo"