forked from openkylin/gimp
150 lines
5.6 KiB
C
150 lines
5.6 KiB
C
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/* LIBGIMP - The GIMP Library
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* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
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*
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* gimppreview.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 (__GIMP_WIDGETS_H_INSIDE__) && !defined (GIMP_WIDGETS_COMPILATION)
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#error "Only <libgimpwidgets/gimpwidgets.h> can be included directly."
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#endif
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#ifndef __GIMP_PREVIEW_H__
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#define __GIMP_PREVIEW_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 GIMP_TYPE_PREVIEW (gimp_preview_get_type ())
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#define GIMP_PREVIEW(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_PREVIEW, GimpPreview))
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#define GIMP_PREVIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_PREVIEW, GimpPreviewClass))
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#define GIMP_IS_PREVIEW(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_PREVIEW))
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#define GIMP_IS_PREVIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_PREVIEW))
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#define GIMP_PREVIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_PREVIEW, GimpPreviewClass))
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typedef struct _GimpPreviewClass GimpPreviewClass;
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struct _GimpPreview
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{
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GtkBox parent_instance;
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gboolean update_preview;
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/*< protected >*/
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GtkWidget *area;
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GtkWidget *table;
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GtkWidget *frame;
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GtkWidget *toggle;
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GdkCursor *cursor_busy;
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GdkCursor *default_cursor;
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/*< private >*/
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gint xoff, yoff;
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gint xmin, xmax, ymin, ymax;
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gint width, height;
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guint timeout_id;
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};
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struct _GimpPreviewClass
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{
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GtkBoxClass parent_class;
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/* virtual methods */
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void (* draw) (GimpPreview *preview);
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void (* draw_thumb) (GimpPreview *preview,
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GimpPreviewArea *area,
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gint width,
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gint height);
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void (* draw_buffer) (GimpPreview *preview,
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const guchar *buffer,
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gint rowstride);
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void (* set_cursor) (GimpPreview *preview);
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/* signal */
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void (* invalidated) (GimpPreview *preview);
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/* virtual methods */
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void (* transform) (GimpPreview *preview,
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gint src_x,
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gint src_y,
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gint *dest_x,
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gint *dest_y);
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void (* untransform) (GimpPreview *preview,
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gint src_x,
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gint src_y,
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gint *dest_x,
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gint *dest_y);
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/* Padding for future expansion */
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void (* _gimp_reserved3) (void);
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void (* _gimp_reserved4) (void);
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};
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GType gimp_preview_get_type (void) G_GNUC_CONST;
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void gimp_preview_set_update (GimpPreview *preview,
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gboolean update);
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gboolean gimp_preview_get_update (GimpPreview *preview);
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void gimp_preview_set_bounds (GimpPreview *preview,
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gint xmin,
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gint ymin,
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gint xmax,
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gint ymax);
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void gimp_preview_get_position (GimpPreview *preview,
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gint *x,
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gint *y);
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void gimp_preview_get_size (GimpPreview *preview,
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gint *width,
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gint *height);
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void gimp_preview_transform (GimpPreview *preview,
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gint src_x,
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gint src_y,
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gint *dest_x,
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gint *dest_y);
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void gimp_preview_untransform (GimpPreview *preview,
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gint src_x,
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gint src_y,
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gint *dest_x,
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gint *dest_y);
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GtkWidget * gimp_preview_get_area (GimpPreview *preview);
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void gimp_preview_draw (GimpPreview *preview);
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void gimp_preview_draw_buffer (GimpPreview *preview,
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const guchar *buffer,
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gint rowstride);
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void gimp_preview_invalidate (GimpPreview *preview);
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void gimp_preview_set_default_cursor (GimpPreview *preview,
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GdkCursor *cursor);
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GtkWidget * gimp_preview_get_controls (GimpPreview *preview);
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G_END_DECLS
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#endif /* __GIMP_PREVIEW_H__ */
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