84 lines
3.1 KiB
C
84 lines
3.1 KiB
C
/* LIBPIKA - The PIKA Library
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* Copyright (C) 1995-2000 Peter Mattis and Spencer Kimball
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*
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* pikalayer.h
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*
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* This library is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <https://www.gnu.org/licenses/>.
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*/
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#if !defined (__PIKA_H_INSIDE__) && !defined (PIKA_COMPILATION)
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#error "Only <libpika/pika.h> can be included directly."
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#endif
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#ifndef __PIKA_LAYER_H__
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#define __PIKA_LAYER_H__
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G_BEGIN_DECLS
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/* For information look into the C source or the html documentation */
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#define PIKA_TYPE_LAYER (pika_layer_get_type ())
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G_DECLARE_DERIVABLE_TYPE (PikaLayer, pika_layer, PIKA, LAYER, PikaDrawable)
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struct _PikaLayerClass
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{
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PikaDrawableClass parent_class;
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/* virtual functions */
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PikaLayer * (* copy) (PikaLayer *layer);
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/* Padding for future expansion */
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void (*_pika_reserved1) (void);
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void (*_pika_reserved2) (void);
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void (*_pika_reserved3) (void);
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void (*_pika_reserved4) (void);
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void (*_pika_reserved5) (void);
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void (*_pika_reserved6) (void);
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void (*_pika_reserved7) (void);
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void (*_pika_reserved8) (void);
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void (*_pika_reserved9) (void);
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};
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PikaLayer * pika_layer_get_by_id (gint32 layer_id);
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PikaLayer * pika_layer_new (PikaImage *image,
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const gchar *name,
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gint width,
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gint height,
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PikaImageType type,
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gdouble opacity,
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PikaLayerMode mode);
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PikaLayer * pika_layer_new_from_pixbuf (PikaImage *image,
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const gchar *name,
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GdkPixbuf *pixbuf,
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gdouble opacity,
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PikaLayerMode mode,
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gdouble progress_start,
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gdouble progress_end);
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PikaLayer * pika_layer_new_from_surface (PikaImage *image,
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const gchar *name,
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cairo_surface_t *surface,
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gdouble progress_start,
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gdouble progress_end);
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PikaLayer * pika_layer_copy (PikaLayer *layer);
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G_END_DECLS
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#endif /* __PIKA_LAYER_H__ */
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