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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpoperationlayermode.h
* Copyright (C) 2008 Michael Natterer <mitch@gimp.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef __GIMP_OPERATION_LAYER_MODE_H__
#define __GIMP_OPERATION_LAYER_MODE_H__
#include <gegl-plugin.h>
#define GIMP_TYPE_OPERATION_LAYER_MODE (gimp_operation_layer_mode_get_type ())
#define GIMP_OPERATION_LAYER_MODE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_OPERATION_LAYER_MODE, GimpOperationLayerMode))
#define GIMP_OPERATION_LAYER_MODE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_OPERATION_LAYER_MODE, GimpOperationLayerModeClass))
#define GIMP_IS_OPERATION_LAYER_MODE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_OPERATION_LAYER_MODE))
#define GIMP_IS_OPERATION_LAYER_MODE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_OPERATION_LAYER_MODE))
#define GIMP_OPERATION_LAYER_MODE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_OPERATION_LAYER_MODE, GimpOperationLayerModeClass))
typedef struct _GimpOperationLayerModeClass GimpOperationLayerModeClass;
struct _GimpOperationLayerMode
{
GeglOperationPointComposer3 parent_instance;
GimpLayerMode layer_mode;
gdouble opacity;
GimpLayerColorSpace blend_space;
GimpLayerColorSpace composite_space;
GimpLayerCompositeMode composite_mode;
gdouble prop_opacity;
GimpLayerCompositeMode prop_composite_mode;
GimpLayerModeFunc function;
GimpLayerModeBlendFunc blend_function;
gboolean is_last_node;
gboolean has_mask;
};
struct _GimpOperationLayerModeClass
{
GeglOperationPointComposer3Class parent_class;
/* virtual functions */
gboolean (* parent_process) (GeglOperation *operation,
GeglOperationContext *context,
const gchar *output_prop,
const GeglRectangle *result,
gint level);
gboolean (* process) (GeglOperation *operation,
void *in,
void *aux,
void *mask,
void *out,
glong samples,
const GeglRectangle *roi,
gint level);
/* Returns the composite region (any combination of the layer and the
* backdrop) that the layer mode affects. Most modes only affect the
* overlapping region, and don't need to override this function.
*/
GimpLayerCompositeRegion (* get_affected_region) (GimpOperationLayerMode *layer_mode);
};
GType gimp_operation_layer_mode_get_type (void) G_GNUC_CONST;
GimpLayerCompositeRegion gimp_operation_layer_mode_get_affected_region (GimpOperationLayerMode *layer_mode);
#endif /* __GIMP_OPERATION_LAYER_MODE_H__ */
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