PIKApp/libpikawidgets/pikapreviewarea.h

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/* LIBPIKA - The PIKA Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* 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_WIDGETS_H_INSIDE__) && !defined (PIKA_WIDGETS_COMPILATION)
#error "Only <libpikawidgets/pikawidgets.h> can be included directly."
#endif
#ifndef __PIKA_PREVIEW_AREA_H__
#define __PIKA_PREVIEW_AREA_H__
G_BEGIN_DECLS
#define PIKA_TYPE_PREVIEW_AREA (pika_preview_area_get_type ())
#define PIKA_PREVIEW_AREA(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PIKA_TYPE_PREVIEW_AREA, PikaPreviewArea))
#define PIKA_PREVIEW_AREA_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PIKA_TYPE_PREVIEW_AREA, PikaPreviewAreaClass))
#define PIKA_IS_PREVIEW_AREA(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PIKA_TYPE_PREVIEW_AREA))
#define PIKA_IS_PREVIEW_AREA_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PIKA_TYPE_PREVIEW_AREA))
#define PIKA_PREVIEW_AREA_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PIKA_TYPE_PREVIEW_AREA, PikaPreviewArea))
typedef struct _PikaPreviewAreaPrivate PikaPreviewAreaPrivate;
typedef struct _PikaPreviewAreaClass PikaPreviewAreaClass;
struct _PikaPreviewArea
{
GtkDrawingArea parent_instance;
PikaPreviewAreaPrivate *priv;
};
struct _PikaPreviewAreaClass
{
GtkDrawingAreaClass parent_class;
/* 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);
};
GType pika_preview_area_get_type (void) G_GNUC_CONST;
GtkWidget * pika_preview_area_new (void);
void pika_preview_area_draw (PikaPreviewArea *area,
gint x,
gint y,
gint width,
gint height,
PikaImageType type,
const guchar *buf,
gint rowstride);
void pika_preview_area_blend (PikaPreviewArea *area,
gint x,
gint y,
gint width,
gint height,
PikaImageType type,
const guchar *buf1,
gint rowstride1,
const guchar *buf2,
gint rowstride2,
guchar opacity);
void pika_preview_area_mask (PikaPreviewArea *area,
gint x,
gint y,
gint width,
gint height,
PikaImageType type,
const guchar *buf1,
gint rowstride1,
const guchar *buf2,
gint rowstride2,
const guchar *mask,
gint rowstride_mask);
void pika_preview_area_fill (PikaPreviewArea *area,
gint x,
gint y,
gint width,
gint height,
guchar red,
guchar green,
guchar blue);
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void pika_preview_area_reset (PikaPreviewArea *area);
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void pika_preview_area_set_offsets (PikaPreviewArea *area,
gint x,
gint y);
void pika_preview_area_set_colormap (PikaPreviewArea *area,
const guchar *colormap,
gint num_colors);
void pika_preview_area_set_color_config (PikaPreviewArea *area,
PikaColorConfig *config);
void pika_preview_area_get_size (PikaPreviewArea *area,
gint *width,
gint *height);
void pika_preview_area_set_max_size (PikaPreviewArea *area,
gint width,
gint height);
void pika_preview_area_menu_popup (PikaPreviewArea *area,
GdkEventButton *event);
G_END_DECLS
#endif /* __PIKA_PREVIEW_AREA_H__ */