moving from https://github.com/perberos/mate-desktop-environment

1 files changed, 162 insertions, 0 deletions

diff --git a/eel/eel-gdk-pixbuf-extensions.h b/eel/eel-gdk-pixbuf-extensions.h
new file mode 100644
index 00000000..cb66348c
--- /dev/null
+++ b/eel/eel-gdk-pixbuf-extensions.h
@@ -0,0 +1,162 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+
+/* eel-gdk-pixbuf-extensions.h: Routines to augment what's in gdk-pixbuf.
+
+   Copyright (C) 2000 Eazel, Inc.
+
+   The Mate 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.
+
+   The Mate 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 the Mate Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+
+   Authors: Darin Adler <[email protected]>
+            Ramiro Estrugo <[email protected]>
+*/
+
+#ifndef EEL_GDK_PIXBUF_EXTENSIONS_H
+#define EEL_GDK_PIXBUF_EXTENSIONS_H
+
+#include <eel/eel-art-extensions.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+#include <gdk/gdk.h>
+#include <gio/gio.h>
+
+#define EEL_STANDARD_ALPHA_THRESHHOLD 128
+#define EEL_OPACITY_FULLY_TRANSPARENT 0
+#define EEL_OPACITY_FULLY_OPAQUE      255
+
+extern const EelIRect eel_gdk_pixbuf_whole_pixbuf;
+
+typedef struct EelPixbufLoadHandle EelPixbufLoadHandle;
+typedef void (* EelPixbufLoadCallback) (GError         *error,
+                                        GdkPixbuf      *pixbuf,
+                                        gpointer        callback_data);
+
+/* Convenience functions for lists of GdkPixbuf objects. */
+void                 eel_gdk_pixbuf_list_ref                  (GList                 *pixbuf_list);
+void                 eel_gdk_pixbuf_list_unref                (GList                 *pixbuf_list);
+void                 eel_gdk_pixbuf_list_free                 (GList                 *pixbuf_list);
+
+
+/* Loading a GdkPixbuf with a URI. */
+GdkPixbuf *          eel_gdk_pixbuf_load                      (const char            *uri);
+GdkPixbuf *          eel_gdk_pixbuf_load_from_stream          (GInputStream          *stream);
+GdkPixbuf *          eel_gdk_pixbuf_load_from_stream_at_size  (GInputStream          *stream,
+        int                    size);
+
+
+/* Same thing async. */
+EelPixbufLoadHandle *eel_gdk_pixbuf_load_async                (const char            *uri,
+        int                    priority,
+        EelPixbufLoadCallback  callback,
+        gpointer               callback_data);
+void                 eel_cancel_gdk_pixbuf_load               (EelPixbufLoadHandle   *handle);
+GdkPixbuf *          eel_gdk_pixbuf_scale_down_to_fit         (GdkPixbuf             *pixbuf,
+        int                    max_width,
+        int                    max_height);
+GdkPixbuf *          eel_gdk_pixbuf_scale_to_fit              (GdkPixbuf             *pixbuf,
+        int                    max_width,
+        int                    max_height);
+double               eel_gdk_scale_to_fit_factor              (int                    width,
+        int                    height,
+        int                    max_width,
+        int                    max_height,
+        int                   *scaled_width,
+        int                   *scaled_height);
+GdkPixbuf *          eel_gdk_pixbuf_scale_to_min              (GdkPixbuf             *pixbuf,
+        int                    min_width,
+        int                    min_height);
+double              eel_gdk_scale_to_min_factor               (int                   width,
+        int                   height,
+        int                   min_width,
+        int                   min_height,
+        int                   *scaled_width,
+        int                   *scaled_height);
+
+/* return average color values for each component (argb) */
+guint32              eel_gdk_pixbuf_average_value             (GdkPixbuf             *pixbuf);
+void                 eel_gdk_pixbuf_fill_rectangle_with_color (GdkPixbuf             *pixbuf,
+        EelIRect               area,
+        guint32                color);
+
+
+/* Save a pixbuf to a png file.  Return value indicates succss/TRUE or failure/FALSE */
+gboolean             eel_gdk_pixbuf_save_to_file              (const GdkPixbuf       *pixbuf,
+        const char            *file_name);
+void                 eel_gdk_pixbuf_ref_if_not_null           (GdkPixbuf             *pixbuf_or_null);
+void                 eel_gdk_pixbuf_unref_if_not_null         (GdkPixbuf             *pixbuf_or_null);
+
+
+/* Copy a pixbuf to an area of a GdkDrawable */
+void                 eel_gdk_pixbuf_draw_to_drawable          (const GdkPixbuf       *pixbuf,
+        GdkDrawable           *drawable,
+        GdkGC                 *gc,
+        int                    source_x,
+        int                    source_y,
+        EelIRect               destination_area,
+        GdkRgbDither           dither,
+        GdkPixbufAlphaMode     alpha_compositing_mode,
+        int                    alpha_threshold);
+
+/* Copy a pixbuf to an area of another pixbuf */
+void                 eel_gdk_pixbuf_draw_to_pixbuf            (const GdkPixbuf       *pixbuf,
+        GdkPixbuf             *destination_pixbuf,
+        int                    source_x,
+        int                    source_y,
+        EelIRect               destination_area);
+
+
+/* Composite one pixbuf over another with the given opacity */
+void                 eel_gdk_pixbuf_draw_to_pixbuf_alpha      (const GdkPixbuf       *pixbuf,
+        GdkPixbuf             *destination_pixbuf,
+        int                    source_x,
+        int                    source_y,
+        EelIRect               destination_area,
+        int                    opacity,
+        GdkInterpType          interpolation_mode);
+
+
+/* Create a pixbuf from a sub area of another pixbuf */
+GdkPixbuf *          eel_gdk_pixbuf_new_from_pixbuf_sub_area  (GdkPixbuf             *pixbuf,
+        EelIRect               area);
+/* Create a pixbuf from an existing buffer. */
+GdkPixbuf *          eel_gdk_pixbuf_new_from_existing_buffer  (guchar                *buffer,
+        int                    buffer_rowstride,
+        gboolean               buffer_has_alpha,
+        EelIRect               area);
+
+/* Determine whether a pixbuf is valid or not */
+gboolean             eel_gdk_pixbuf_is_valid                  (const GdkPixbuf       *pixbuf);
+
+/* Access the dimensions of a pixbuf. */
+EelDimensions        eel_gdk_pixbuf_get_dimensions            (const GdkPixbuf       *pixbuf);
+
+/* Return the intersection of the pixbuf with the given rectangle. */
+EelIRect             eel_gdk_pixbuf_intersect                 (const GdkPixbuf       *pixbuf,
+        int                    pixbuf_x,
+        int                    pixbuf_y,
+        EelIRect               rectangle);
+
+/* Scales large pixbufs down fast */
+GdkPixbuf *          eel_gdk_pixbuf_scale_down                (GdkPixbuf *pixbuf,
+        int dest_width,
+        int dest_height);
+
+GdkPixbuf *          eel_gdk_pixbuf_render                    (GdkPixbuf *pixbuf,
+        guint render_mode,
+        guint saturation,
+        guint brightness,
+        guint lighten_value,
+        guint color);
+
+#endif /* EEL_GDK_PIXBUF_EXTENSIONS_H */