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Fix bug 590418: make chalk script-fu work. 

Sobel doesn't work on layers with transparency, like text layers,
so the text layer in the chalk script needed to be merged with the
background layer beneath it.
This commit is contained in:
Akkana Peck 2010-02-02 13:04:24 -08:00
parent 1d6c2307f9
commit 36551daa19
1 changed files with 13 additions and 7 deletions
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20
plug-ins/script-fu/scripts/chalk.scm
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@ -45,13 +45,19 @@
(plug-in-spread RUN-NONINTERACTIVE img logo-layer 5.0 5.0)
(plug-in-ripple RUN-NONINTERACTIVE img logo-layer 27 2 0 0 0 TRUE TRUE)
(plug-in-ripple RUN-NONINTERACTIVE img logo-layer 27 2 1 0 0 TRUE TRUE)
(plug-in-sobel RUN-NONINTERACTIVE img logo-layer TRUE TRUE TRUE)
(gimp-levels logo-layer 0 0 120 3.5 0 255)
; work-around for sobel edge detect screw-up (why does this happen?)
; the top line of the image has some garbage instead of the bgcolor
(gimp-rect-select img 0 0 width 1 CHANNEL-OP-ADD FALSE 0)
(gimp-edit-clear logo-layer)
; sobel doesn't work on a layer with transparency, so merge layers:
(let ((logo-layer
(car (gimp-image-merge-down img logo-layer EXPAND-AS-NECESSARY))))
(plug-in-sobel RUN-NONINTERACTIVE img logo-layer TRUE TRUE TRUE)
(gimp-levels logo-layer 0 0 120 3.5 0 255)
; work-around for sobel edge detect screw-up (why does this happen?)
; the top line of the image has some garbage instead of the bgcolor
(gimp-rect-select img 0 0 width 1 CHANNEL-OP-ADD FALSE 0)
(gimp-edit-clear logo-layer)
)
(gimp-selection-none img)
(gimp-context-pop)
@ -120,7 +126,7 @@
""
SF-STRING _"Text" "CHALK"
SF-ADJUSTMENT _"Font size (pixels)" '(150 2 1000 1 10 0 1)
SF-FONT _"Font" "Cooper"
SF-FONT _"Font" "Sans"
SF-COLOR _"Background color" "black"
SF-COLOR _"Chalk color" "white"
)