PIKApp/libpika/pikalayer.h

84 lines
3.1 KiB
C

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