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- /* GTK - The GIMP Toolkit
- * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
- /*
- * Modified by the GTK+ Team and others 1997-1999. See the AUTHORS
- * file for a list of people on the GTK+ Team. See the ChangeLog
- * files for a list of changes. These files are distributed with
- * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
- */
-
- #ifndef __GTK_PREVIEW_H__
- #define __GTK_PREVIEW_H__
-
-
- #include <gtk/gtkwidget.h>
-
-
- #ifdef __cplusplus
- extern "C" {
- #endif /* __cplusplus */
-
-
- #define GTK_PREVIEW(obj) GTK_CHECK_CAST (obj, gtk_preview_get_type (), GtkPreview)
- #define GTK_PREVIEW_CLASS(klass) GTK_CHECK_CLASS_CAST (klass, gtk_preview_get_type (), GtkPreviewClass)
- #define GTK_IS_PREVIEW(obj) GTK_CHECK_TYPE (obj, gtk_preview_get_type ())
-
-
- typedef struct _GtkPreview GtkPreview;
- typedef struct _GtkPreviewInfo GtkPreviewInfo;
- typedef union _GtkDitherInfo GtkDitherInfo;
- typedef struct _GtkPreviewClass GtkPreviewClass;
-
- struct _GtkPreview
- {
- GtkWidget widget;
-
- guchar *buffer;
- guint16 buffer_width;
- guint16 buffer_height;
-
- guint16 bpp;
- guint16 rowstride;
-
- GdkRgbDither dither;
-
- guint type : 1;
- guint expand : 1;
- };
-
- struct _GtkPreviewInfo
- {
- GdkVisual *visual;
- GdkColormap *cmap;
-
- guchar *lookup;
-
- gdouble gamma;
- };
-
- union _GtkDitherInfo
- {
- gushort s[2];
- guchar c[4];
- };
-
- struct _GtkPreviewClass
- {
- GtkWidgetClass parent_class;
-
- GtkPreviewInfo info;
-
- };
-
-
- guint gtk_preview_get_type (void);
- void gtk_preview_uninit (void);
- GtkWidget* gtk_preview_new (GtkPreviewType type);
- void gtk_preview_size (GtkPreview *preview,
- gint width,
- gint height);
- void gtk_preview_put (GtkPreview *preview,
- GdkWindow *window,
- GdkGC *gc,
- gint srcx,
- gint srcy,
- gint destx,
- gint desty,
- gint width,
- gint height);
- void gtk_preview_draw_row (GtkPreview *preview,
- guchar *data,
- gint x,
- gint y,
- gint w);
- void gtk_preview_set_expand (GtkPreview *preview,
- gint expand);
-
- void gtk_preview_set_gamma (double gamma);
- void gtk_preview_set_color_cube (guint nred_shades,
- guint ngreen_shades,
- guint nblue_shades,
- guint ngray_shades);
- void gtk_preview_set_install_cmap (gint install_cmap);
- void gtk_preview_set_reserved (gint nreserved);
- void gtk_preview_set_dither (GtkPreview *preview,
- GdkRgbDither dither);
- GdkVisual* gtk_preview_get_visual (void);
- GdkColormap* gtk_preview_get_cmap (void);
- GtkPreviewInfo* gtk_preview_get_info (void);
-
- /* This function reinitializes the preview colormap and visual from
- * the current gamma/color_cube/install_cmap settings. It must only
- * be called if there are no previews or users's of the preview
- * colormap in existence.
- */
- void gtk_preview_reset (void);
-
-
- #ifdef __cplusplus
- }
- #endif /* __cplusplus */
-
-
- #endif /* __GTK_PREVIEW_H__ */
-