96 lines
4.4 KiB
C
96 lines
4.4 KiB
C
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/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* pikaoperationlayermode.h
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* Copyright (C) 2008 Michael Natterer <mitch@gimp.org>
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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 <https://www.gnu.org/licenses/>.
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*/
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#ifndef __PIKA_OPERATION_LAYER_MODE_H__
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#define __PIKA_OPERATION_LAYER_MODE_H__
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#include <gegl-plugin.h>
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#define PIKA_TYPE_OPERATION_LAYER_MODE (pika_operation_layer_mode_get_type ())
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#define PIKA_OPERATION_LAYER_MODE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PIKA_TYPE_OPERATION_LAYER_MODE, PikaOperationLayerMode))
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#define PIKA_OPERATION_LAYER_MODE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PIKA_TYPE_OPERATION_LAYER_MODE, PikaOperationLayerModeClass))
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#define PIKA_IS_OPERATION_LAYER_MODE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PIKA_TYPE_OPERATION_LAYER_MODE))
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#define PIKA_IS_OPERATION_LAYER_MODE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PIKA_TYPE_OPERATION_LAYER_MODE))
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#define PIKA_OPERATION_LAYER_MODE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PIKA_TYPE_OPERATION_LAYER_MODE, PikaOperationLayerModeClass))
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typedef struct _PikaOperationLayerModeClass PikaOperationLayerModeClass;
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struct _PikaOperationLayerMode
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{
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GeglOperationPointComposer3 parent_instance;
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PikaLayerMode layer_mode;
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gdouble opacity;
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PikaLayerColorSpace blend_space;
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PikaLayerColorSpace composite_space;
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PikaLayerCompositeMode composite_mode;
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const Babl *cached_fish_format;
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const Babl *space_fish[3 /* from */][3 /* to */];
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gdouble prop_opacity;
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PikaLayerCompositeMode prop_composite_mode;
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PikaLayerModeFunc function;
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PikaLayerModeBlendFunc blend_function;
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gboolean is_last_node;
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gboolean has_mask;
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};
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struct _PikaOperationLayerModeClass
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{
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GeglOperationPointComposer3Class parent_class;
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/* virtual functions */
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gboolean (* parent_process) (GeglOperation *operation,
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GeglOperationContext *context,
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const gchar *output_prop,
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const GeglRectangle *result,
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gint level);
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gboolean (* process) (GeglOperation *operation,
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void *in,
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void *aux,
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void *mask,
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void *out,
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glong samples,
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const GeglRectangle *roi,
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gint level);
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/* Returns the composite region (any combination of the layer and the
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* backdrop) that the layer mode affects. Most modes only affect the
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* overlapping region, and don't need to override this function.
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*/
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PikaLayerCompositeRegion (* get_affected_region) (PikaOperationLayerMode *layer_mode);
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};
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GType pika_operation_layer_mode_get_type (void) G_GNUC_CONST;
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PikaLayerCompositeRegion pika_operation_layer_mode_get_affected_region (PikaOperationLayerMode *layer_mode);
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#endif /* __PIKA_OPERATION_LAYER_MODE_H__ */
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