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