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Diffstat (limited to 'gtk/gtkpreview.h')
| -rw-r--r-- | gtk/gtkpreview.h | 144 |
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__ */ |