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don't do the background histogram unless the histogram view is actually 

2008-08-12  Sven Neumann  <sven@gimp.org>

	* app/widgets/gimphistogrameditor.c
	(gimp_histogram_editor_frozen_update): don't do the background
	histogram unless the histogram view is actually visible.


svn path=/trunk/; revision=26523
This commit is contained in:
Sven Neumann 2008-08-12 19:37:09 +00:00 committed by Sven Neumann
parent a59c7ccaf0
commit 1a7bdc570d
2 changed files with 13 additions and 1 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2008-08-12 Sven Neumann <sven@gimp.org>
* app/widgets/gimphistogrameditor.c
(gimp_histogram_editor_frozen_update): don't do the background
histogram unless the histogram view is actually visible.
2008-08-12 Sven Neumann <sven@gimp.org>
* app/paint/gimppaintcore.c (gimp_paint_core_start): use

8
app/widgets/gimphistogrameditor.c
View File

@ -391,7 +391,13 @@ gimp_histogram_editor_frozen_update (GimpHistogramEditor *editor,
if (gimp_viewable_preview_is_frozen (GIMP_VIEWABLE (editor->drawable)))
{
if (! editor->bg_histogram)
/* Only do the background histogram if the histogram is visible.
* This is a workaround for the fact that recalculating the
* histogram is expensive and that it is only validated when it
* is shown. So don't slow down painting by doing something that
* is not even seen by the user.
*/
if (! editor->bg_histogram && GTK_WIDGET_DRAWABLE (editor))
{
if (gimp_histogram_editor_validate (editor))
editor->bg_histogram = gimp_histogram_duplicate (editor->histogram);