1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 #ifndef __GST_TEXT_RENDER_H__

    18 #define __GST_TEXT_RENDER_H__

    19 

    20 #include <gst/gst.h>

    21 #include <pango/pangoft2.h>

    22 

    23 G_BEGIN_DECLS

    24 

    25 #define GST_TYPE_TEXT_RENDER            (gst_text_render_get_type())

    26 #define GST_TEXT_RENDER(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj),\

    27                                         GST_TYPE_TEXT_RENDER, GstTextRender))

    28 #define GST_TEXT_RENDER_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass),\

    29                                         GST_TYPE_TEXT_RENDER, GstTextRenderClass))

    30 #define GST_TEXT_RENDER_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj),\

    31                                         GST_TYPE_TEXT_RENDER, GstTextRenderClass))

    32 #define GST_IS_TEXT_RENDER(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj),\

    33                                         GST_TYPE_TEXT_RENDER))

    34 #define GST_IS_TEXT_RENDER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),\

    35                                         GST_TYPE_TEXT_RENDER))

    36 

    37 typedef struct _GstTextRender      GstTextRender;

    38 typedef struct _GstTextRenderClass GstTextRenderClass;

    39 

    40 /**

    41  * GstTextRender:

    42  *

    43  * Opaque textrender data structure.

    44  */

    45 struct _GstTextRender {

    46     GstElement            element;

    47 

    48     GstPad               *sinkpad, *srcpad;

    49     gint                  width;

    50     gint                  height;

    51     PangoLayout          *layout;

    52     FT_Bitmap             bitmap;

    53     gint                  bitmap_buffer_size;

    54     gint                  baseline_y;

    55 };

    56 

    57 struct _GstTextRenderClass {

    58     GstElementClass parent_class;

    59 

    60     PangoContext *pango_context;

    61 };

    62 

    63 GType gst_text_render_get_type(void) G_GNUC_CONST;

    64 

    65 G_END_DECLS

    66 

    67 #endif /* __GST_TEXT_RENDER_H */