Initial revision

1 files changed, 144 insertions, 0 deletions

diff --git a/gtk/gtkpreview.h b/gtk/gtkpreview.h
new file mode 100644
index 000000000..2fe6ad5e0
--- /dev/null
+++ b/gtk/gtkpreview.h
@@ -0,0 +1,144 @@
+/* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#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;
+
+  guint type : 1;
+  guint expand : 1;
+};
+
+struct _GtkPreviewInfo
+{
+  GdkVisual *visual;
+  GdkColormap *cmap;
+
+  gulong *color_pixels;
+  gulong *gray_pixels;
+  gulong *reserved_pixels;
+
+  gulong *lookup_red;
+  gulong *lookup_green;
+  gulong *lookup_blue;
+
+  GtkDitherInfo *dither_red;
+  GtkDitherInfo *dither_green;
+  GtkDitherInfo *dither_blue;
+  GtkDitherInfo *dither_gray;
+  guchar ***dither_matrix;
+
+  guint nred_shades;
+  guint ngreen_shades;
+  guint nblue_shades;
+  guint ngray_shades;
+  guint nreserved;
+
+  guint bpp;
+  gint cmap_alloced;
+  gdouble gamma;
+};
+
+union _GtkDitherInfo
+{
+  gushort s[2];
+  guchar c[4];
+};
+
+struct _GtkPreviewClass
+{
+  GtkWidgetClass parent_class;
+
+  GtkPreviewInfo info;
+
+  GdkImage *image;
+};
+
+
+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_put_row            (GtkPreview      *preview,
+						guchar          *src,
+						guchar          *dest,
+						gint             x,
+						gint             y,
+						gint             w);
+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);
+GdkVisual*      gtk_preview_get_visual         (void);
+GdkColormap*    gtk_preview_get_cmap           (void);
+GtkPreviewInfo* gtk_preview_get_info           (void);
+
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GTK_PREVIEW_H__ */