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2007-08-02 Emmanuele Bassi <ebassi@openedhand.com>

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* clutter/clutter-color.c (clutter_color_subtract): Invert the
	operands and match what the function says it does.
This commit is contained in:
Emmanuele Bassi 2007-08-02 07:40:58 +00:00
parent a6a998e4d8
commit 337571a805
2 changed files with 11 additions and 4 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2007-08-02 Emmanuele Bassi <ebassi@openedhand.com>
* clutter/clutter-color.c (clutter_color_subtract): Invert the
operands and match what the function says it does.
2007-08-01 Matthew Allum <mallum@openedhand.com>
* clutter/clutter-color.c: (clutter_color_from_pixel):

10
clutter/clutter-color.c
View File

@ -74,7 +74,9 @@ clutter_color_add (const ClutterColor *src1,
* @dest: return location for the result
*
* Subtracts @src2 from @src1 and saves the resulting
* color inside @dest.
* color inside @dest. This function assumes that the components
* of @src1 are greater than the components of @src2; the result is,
* otherwise, undefined.
*
* The alpha channel of @dest is set as the minimum value
* between the alpha channels of @src1 and @src2.
@ -88,9 +90,9 @@ clutter_color_subtract (const ClutterColor *src1,
g_return_if_fail (src2 != NULL);
g_return_if_fail (dest != NULL);
dest->red = CLAMP (src2->red - src1->red, 0, 255);
dest->green = CLAMP (src2->green - src1->green, 0, 255);
dest->blue = CLAMP (src2->blue - src1->blue, 0, 255);
dest->red = CLAMP (src1->red - src2->red, 0, 255);
dest->green = CLAMP (src1->green - src2->green, 0, 255);
dest->blue = CLAMP (src1->blue - src2->blue, 0, 255);
dest->alpha = MIN (src1->alpha, src2->alpha);
}