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fix alpha handling on greyscale images.

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2008-01-09  Michael Natterer  <mitch@gimp.org>

	* app/tools/gimplevelstool.c (gimp_levels_tool_map): fix alpha
	handling on greyscale images.


svn path=/trunk/; revision=24577
This commit is contained in:
Michael Natterer
2008-01-09 13:47:52 +00:00
committed by Michael Natterer
parent c7b188b90b
commit c9af6ea8d3
2 changed files with 18 additions and 3 deletions
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5
ChangeLog
View File

@ -1,3 +1,8 @@
2008-01-09 Michael Natterer <mitch@gimp.org>
* app/tools/gimplevelstool.c (gimp_levels_tool_map): fix alpha
handling on greyscale images.
2008-01-09 Sven Neumann <sven@gimp.org> 2008-01-09 Sven Neumann <sven@gimp.org>
* plug-ins/common/convmatrix.c (convolve_image): round the result * plug-ins/common/convmatrix.c (convolve_image): round the result

16
app/tools/gimplevelstool.c
View File

@ -280,9 +280,15 @@ gimp_levels_tool_map (GimpImageMapTool *image_map_tool)
channel <= GIMP_HISTOGRAM_ALPHA; channel <= GIMP_HISTOGRAM_ALPHA;
channel++) channel++)
{ {
gegl_node_set (image_map_tool->operation, /* FIXME: hack */
"channel", channel, if (! tool->color && channel == 1)
NULL); gegl_node_set (image_map_tool->operation,
"channel", GIMP_HISTOGRAM_ALPHA,
NULL);
else
gegl_node_set (image_map_tool->operation,
"channel", channel,
NULL);
gegl_node_set (image_map_tool->operation, gegl_node_set (image_map_tool->operation,
"gamma", levels->gamma[channel], "gamma", levels->gamma[channel],
@ -291,6 +297,10 @@ gimp_levels_tool_map (GimpImageMapTool *image_map_tool)
"low-output", levels->low_output[channel] / 255.0, "low-output", levels->low_output[channel] / 255.0,
"high-output", levels->high_output[channel] / 255.0, "high-output", levels->high_output[channel] / 255.0,
NULL); NULL);
/* FIXME: hack */
if (! tool->color && channel == 1)
break;
} }
} }