386e18e510
It is used both for blending and compositing, the repeated use of the word BLEND in code made the logic involving both blending and compositing hard to read.
125 lines
5.0 KiB
C
125 lines
5.0 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* gimpoperationsoftlightmode.c
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* Copyright (C) 2008 Michael Natterer <mitch@gimp.org>
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* 2012 Ville Sokk <ville.sokk@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gegl-plugin.h>
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#include "../operations-types.h"
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#include "gimpoperationsoftlight.h"
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#include "gimpblendcomposite.h"
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static gboolean gimp_operation_softlight_process (GeglOperation *operation,
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void *in_buf,
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void *aux_buf,
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void *aux2_buf,
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void *out_buf,
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glong samples,
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const GeglRectangle *roi,
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gint level);
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G_DEFINE_TYPE (GimpOperationSoftlight, gimp_operation_softlight,
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GIMP_TYPE_OPERATION_POINT_LAYER_MODE)
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static const gchar* reference_xml = "<?xml version='1.0' encoding='UTF-8'?>"
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"<gegl>"
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"<node operation='gimp:softlight-mode'>"
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" <node operation='gegl:load'>"
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" <params>"
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" <param name='path'>B.png</param>"
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" </params>"
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" </node>"
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"</node>"
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"<node operation='gegl:load'>"
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" <params>"
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" <param name='path'>A.png</param>"
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" </params>"
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"</node>"
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"</gegl>";
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static void
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gimp_operation_softlight_class_init (GimpOperationSoftlightClass *klass)
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{
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GeglOperationClass *operation_class;
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GeglOperationPointComposer3Class *point_class;
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operation_class = GEGL_OPERATION_CLASS (klass);
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point_class = GEGL_OPERATION_POINT_COMPOSER3_CLASS (klass);
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gegl_operation_class_set_keys (operation_class,
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"name", "gimp:softlight",
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"description", "GIMP softlight mode operation",
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"reference-image", "soft-light-mode.png",
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"reference-composition", reference_xml,
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NULL);
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point_class->process = gimp_operation_softlight_process;
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}
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static void
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gimp_operation_softlight_init (GimpOperationSoftlight *self)
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{
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}
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static gboolean
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gimp_operation_softlight_process (GeglOperation *operation,
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void *in_buf,
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void *aux_buf,
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void *aux2_buf,
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void *out_buf,
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glong samples,
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const GeglRectangle *roi,
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gint level)
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{
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GimpOperationPointLayerMode *layer_mode = (gpointer) operation;
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return gimp_operation_softlight_process_pixels (in_buf, aux_buf, aux2_buf,
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out_buf,
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layer_mode->opacity,
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samples, roi, level,
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layer_mode->blend_trc,
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layer_mode->composite_trc,
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layer_mode->composite_mode);
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}
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gboolean
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gimp_operation_softlight_process_pixels (gfloat *in,
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gfloat *layer,
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gfloat *mask,
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gfloat *out,
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gfloat opacity,
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glong samples,
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const GeglRectangle *roi,
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gint level,
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GimpLayerColorSpace blend_trc,
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GimpLayerColorSpace composite_trc,
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GimpLayerCompositeMode composite_mode)
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{
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gimp_composite_blend (in, layer, mask, out, opacity, samples,
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blend_trc, composite_trc, composite_mode,
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blendfun_softlight);
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return TRUE;
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}
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