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Bug 401754 – Port Hue, Saturation, Value to CIE LCH 

When using GEGL for the projection, use CIE LCH for the Hue,
Saturation and Value layer modes, just as we already do for the Color
layer mode. The Value layer mode will later be renamed to Lightness
since that is the semantics it has now.
This commit is contained in:
Martin Nordholts 2009-08-02 21:35:10 +02:00
parent 87d463aed0
commit 18603ac192
1 changed files with 1 additions and 62 deletions
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63
app/gegl/gimpoperationpointlayermode.c
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@ -196,55 +196,6 @@ gimp_operation_point_layer_mode_prepare (GeglOperation *operation)
gegl_operation_set_format (operation, "aux", format);
}
static void
gimp_operation_point_layer_mode_get_new_color_hsv (GimpLayerModeEffects blend_mode,
const gfloat *in,
const gfloat *lay,
gfloat *new)
{
GimpRGB inRGB;
GimpHSV inHSV;
GimpRGB layRGB;
GimpHSV layHSV;
GimpRGB newRGB;
GimpHSV newHSV;
gimp_rgb_set (&inRGB, in[R], in[G], in[B]);
gimp_rgb_set (&layRGB, lay[R], lay[G], lay[B]);
gimp_rgb_to_hsv (&inRGB, &inHSV);
gimp_rgb_to_hsv (&layRGB, &layHSV);
switch (blend_mode)
{
case GIMP_HUE_MODE:
gimp_hsv_set (&newHSV, layHSV.h, inHSV.s, inHSV.v);
break;
case GIMP_SATURATION_MODE:
gimp_hsv_set (&newHSV, inHSV.h, layHSV.s, inHSV.v);
break;
case GIMP_COLOR_MODE:
gimp_hsv_set (&newHSV, layHSV.h, layHSV.s, inHSV.v);
break;
case GIMP_VALUE_MODE:
gimp_hsv_set (&newHSV, inHSV.h, inHSV.s, layHSV.v);
break;
default:
g_assert_not_reached ();
break;
}
gimp_hsv_to_rgb (&newHSV, &newRGB);
new[R] = newRGB.r;
new[G] = newRGB.g;
new[B] = newRGB.b;
}
static void
gimp_operation_point_layer_mode_get_new_color_lchab (GimpLayerModeEffects blend_mode,
const gfloat *in,
@ -588,20 +539,8 @@ gimp_operation_point_layer_mode_process (GeglOperation *operation,
case GIMP_HUE_MODE:
case GIMP_SATURATION_MODE:
case GIMP_VALUE_MODE:
/* Custom SVG 1.2:
*
* f(Sc, Dc) = New color depending on mode
*/
gimp_operation_point_layer_mode_get_new_color_hsv (blend_mode,
in,
lay,
new);
EACH_CHANNEL (
outCa = newCa * layA * inA + layCa * (1 - inA) + inCa * (1 - layA));
break;
case GIMP_COLOR_MODE:
case GIMP_VALUE_MODE: /* GIMP_LIGHTNESS_MODE */
/* Custom SVG 1.2:
*
* f(Sc, Dc) = New color