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Diffstat (limited to '')
| -rw-r--r-- | libgimpwidgets/gimppreview.h | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/libgimpwidgets/gimppreview.h b/libgimpwidgets/gimppreview.h new file mode 100644 index 0000000..25d2f78 --- /dev/null +++ b/libgimpwidgets/gimppreview.h @@ -0,0 +1,149 @@ +/* LIBGIMP - The GIMP Library + * Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball + * + * gimppreview.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 (__GIMP_WIDGETS_H_INSIDE__) && !defined (GIMP_WIDGETS_COMPILATION) +#error "Only <libgimpwidgets/gimpwidgets.h> can be included directly." +#endif + +#ifndef __GIMP_PREVIEW_H__ +#define __GIMP_PREVIEW_H__ + +G_BEGIN_DECLS + + +/* For information look into the C source or the html documentation */ + + +#define GIMP_TYPE_PREVIEW (gimp_preview_get_type ()) +#define GIMP_PREVIEW(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_PREVIEW, GimpPreview)) +#define GIMP_PREVIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_PREVIEW, GimpPreviewClass)) +#define GIMP_IS_PREVIEW(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_PREVIEW)) +#define GIMP_IS_PREVIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_PREVIEW)) +#define GIMP_PREVIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_PREVIEW, GimpPreviewClass)) + + +typedef struct _GimpPreviewClass GimpPreviewClass; + +struct _GimpPreview +{ + GtkBox parent_instance; + + gboolean update_preview; + + /*< protected >*/ + GtkWidget *area; + GtkWidget *table; + GtkWidget *frame; + GtkWidget *toggle; + GdkCursor *cursor_busy; + GdkCursor *default_cursor; + + /*< private >*/ + gint xoff, yoff; + gint xmin, xmax, ymin, ymax; + gint width, height; + + guint timeout_id; +}; + +struct _GimpPreviewClass +{ + GtkBoxClass parent_class; + + /* virtual methods */ + void (* draw) (GimpPreview *preview); + void (* draw_thumb) (GimpPreview *preview, + GimpPreviewArea *area, + gint width, + gint height); + void (* draw_buffer) (GimpPreview *preview, + const guchar *buffer, + gint rowstride); + void (* set_cursor) (GimpPreview *preview); + + /* signal */ + void (* invalidated) (GimpPreview *preview); + + /* virtual methods */ + void (* transform) (GimpPreview *preview, + gint src_x, + gint src_y, + gint *dest_x, + gint *dest_y); + void (* untransform) (GimpPreview *preview, + gint src_x, + gint src_y, + gint *dest_x, + gint *dest_y); + + /* Padding for future expansion */ + void (* _gimp_reserved3) (void); + void (* _gimp_reserved4) (void); +}; + + +GType gimp_preview_get_type (void) G_GNUC_CONST; + +void gimp_preview_set_update (GimpPreview *preview, + gboolean update); +gboolean gimp_preview_get_update (GimpPreview *preview); + +void gimp_preview_set_bounds (GimpPreview *preview, + gint xmin, + gint ymin, + gint xmax, + gint ymax); + +void gimp_preview_get_position (GimpPreview *preview, + gint *x, + gint *y); +void gimp_preview_get_size (GimpPreview *preview, + gint *width, + gint *height); + +void gimp_preview_transform (GimpPreview *preview, + gint src_x, + gint src_y, + gint *dest_x, + gint *dest_y); +void gimp_preview_untransform (GimpPreview *preview, + gint src_x, + gint src_y, + gint *dest_x, + gint *dest_y); + +GtkWidget * gimp_preview_get_area (GimpPreview *preview); + +void gimp_preview_draw (GimpPreview *preview); +void gimp_preview_draw_buffer (GimpPreview *preview, + const guchar *buffer, + gint rowstride); + +void gimp_preview_invalidate (GimpPreview *preview); + +void gimp_preview_set_default_cursor (GimpPreview *preview, + GdkCursor *cursor); + +GtkWidget * gimp_preview_get_controls (GimpPreview *preview); + + +G_END_DECLS + +#endif /* __GIMP_PREVIEW_H__ */ |