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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-03-09 00:06:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-03-09 00:06:44 +0000 |
commit | 44cf8ec67278bd1ab6c7f83a9993f7a5686a9541 (patch) | |
tree | 5eec4b0d1a3f163d279c3c27c03324ba49fa235a /gtk/zbargtkprivate.h | |
parent | Initial commit. (diff) | |
download | zbar-upstream.tar.xz zbar-upstream.zip |
Adding upstream version 0.23.93.upstream/0.23.93upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gtk/zbargtkprivate.h')
-rw-r--r-- | gtk/zbargtkprivate.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/gtk/zbargtkprivate.h b/gtk/zbargtkprivate.h new file mode 100644 index 0000000..f570393 --- /dev/null +++ b/gtk/zbargtkprivate.h @@ -0,0 +1,98 @@ +/*------------------------------------------------------------------------ + * Copyright 2008-2009 (c) Jeff Brown <spadix@users.sourceforge.net> + * + * This file is part of the ZBar Bar Code Reader. + * + * The ZBar Bar Code Reader is free software; you can redistribute it + * and/or modify it under the terms of the GNU Lesser Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * The ZBar Bar Code Reader 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 Public License for more details. + * + * You should have received a copy of the GNU Lesser Public License + * along with the ZBar Bar Code Reader; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301 USA + * + * http://sourceforge.net/projects/zbar + *------------------------------------------------------------------------*/ +#ifndef __ZBAR_GTK_PRIVATE_H__ +#define __ZBAR_GTK_PRIVATE_H__ + +#include <glib.h> +#include <glib-object.h> +#include <gtk/gtk.h> + +#include <zbar.h> + +G_BEGIN_DECLS + +#define ZBAR_TYPE_GTK_PRIVATE (zbar_gtk_private_get_type()) +#define ZBAR_GTK_PRIVATE(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj), ZBAR_TYPE_GTK_PRIVATE, ZBarGtkPrivate)) +#define ZBAR_GTK_PRIVATE_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass), ZBAR_TYPE_GTK_PRIVATE, \ + ZBarGtkPrivateClass)) +#define ZBAR_IS_GTK_PRIVATE(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj), ZBAR_TYPE_GTK_PRIVATE)) +#define ZBAR_IS_GTK_PRIVATE_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE((klass), ZBAR_TYPE_GTK_PRIVATE)) +#define ZBAR_GTK_PRIVATE_GET_CLASS(obj) \ + (G_TYPE_INSTANCE_GET_CLASS((obj), ZBAR_TYPE_GTK_PRIVATE, \ + ZBarGtkPrivateClass)) + +/* zbar widget processor thread shared/private data */ +typedef struct _ZBarGtkPrivate { + GObject object; + + /* these are all owned by the main gui thread */ + gint idle_id; + const char *video_device; + gboolean video_enabled, video_enabled_state; + + /* messages are queued from the gui thread to the processor thread. + * each message is a GValue containing one of: + * - G_TYPE_INT: state change + * 1 = video enable + * 0 = video disable + * -1 = terminate processor thread + * - G_TYPE_STRING: a named video device to open ("" to close) + * - GDK_TYPE_PIXBUF: an image to scan + */ + GAsyncQueue *queue; + + /* current processor state is shared: + * written by processor thread just after opening video or + * scanning an image, read by main gui thread during size_request. + * protected by main gui lock + */ + unsigned req_width, req_height; + unsigned video_width, video_height; + gboolean video_opened; + + /* window is shared: owned by main gui thread. + * processor thread only calls draw() and negotiate_format(). + * protected by main gui lock (and internal lock) + */ + zbar_window_t *window; + + /* video and scanner are owned by the processor thread */ + zbar_video_t *video; + zbar_image_scanner_t *scanner; + +} ZBarGtkPrivate; + +typedef struct _ZBarGtkPrivateClass { + GObjectClass parent_class; + +} ZBarGtkPrivateClass; + +static GType zbar_gtk_private_get_type(void) G_GNUC_CONST; + +G_END_DECLS + +#endif |