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Issue #2303 - Please add Constant type of gradient interpolation ...

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... to make multi-color hard-edge gradient fills possible

Add a new "step" gradient-segment blending function, which is 0
before the midpoint, and 1 at, and after, the midpoint.  This
creates a hard-edge transition between the two adjacent color stops
at the midpoint.  Creating such a transition was already possible,
but required duplicating the same color at the opposing ends of two
adjacent stops, which is cumbersome.
This commit is contained in:
Ell 2018-10-02 21:13:16 -04:00
parent be84c6e766
commit 68bf99e806
7 changed files with 32 additions and 4 deletions
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9
app/actions/gradient-editor-actions.c
View file

@ -339,6 +339,11 @@ static const GimpRadioActionEntry gradient_editor_blending_actions[] =
GIMP_GRADIENT_SEGMENT_SPHERE_DECREASING,
GIMP_HELP_GRADIENT_EDITOR_BLENDING },
{ "gradient-editor-blending-step", NULL,
NC_("gradient-editor-blending", "S_tep"), NULL, NULL,
GIMP_GRADIENT_SEGMENT_STEP,
GIMP_HELP_GRADIENT_EDITOR_BLENDING },
{ "gradient-editor-blending-varies", NULL,
NC_("gradient-editor-blending", "(Varies)"), NULL, NULL,
-1,
@ -826,6 +831,7 @@ gradient_editor_actions_update (GimpActionGroup *group,
SET_SENSITIVE ("gradient-editor-blending-sine", editable);
SET_SENSITIVE ("gradient-editor-blending-sphere-increasing", editable);
SET_SENSITIVE ("gradient-editor-blending-sphere-decreasing", editable);
SET_SENSITIVE ("gradient-editor-blending-step", editable);
if (blending_equal && gradient)
{
@ -846,6 +852,9 @@ gradient_editor_actions_update (GimpActionGroup *group,
case GIMP_GRADIENT_SEGMENT_SPHERE_DECREASING:
SET_ACTIVE ("gradient-editor-blending-sphere-decreasing", TRUE);
break;
case GIMP_GRADIENT_SEGMENT_STEP:
SET_ACTIVE ("gradient-editor-blending-step", TRUE);
break;
}
}
else