1 #ifndef __GST_TEXT_RENDER_H__

     2 #define __GST_TEXT_RENDER_H__

     3 

     4 #include <gst/gst.h>

     5 #include <pango/pangoft2.h>

     6 

     7 G_BEGIN_DECLS

     8 

     9 #define GST_TYPE_TEXT_RENDER            (gst_text_render_get_type())

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

    11                                         GST_TYPE_TEXT_RENDER, GstTextRender))

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

    13                                         GST_TYPE_TEXT_RENDER, GstTextRenderClass))

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

    15                                         GST_TYPE_TEXT_RENDER, GstTextRenderClass))

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

    17                                         GST_TYPE_TEXT_RENDER))

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

    19                                         GST_TYPE_TEXT_RENDER))

    20 

    21 typedef struct _GstTextRender      GstTextRender;

    22 typedef struct _GstTextRenderClass GstTextRenderClass;

    23 

    24 /**

    25  * GstTextRender:

    26  *

    27  * Opaque textrender data structure.

    28  */

    29 struct _GstTextRender {

    30     GstElement            element;

    31 

    32     GstPad               *sinkpad, *srcpad;

    33     gint                  width;

    34     gint                  height;

    35     PangoLayout          *layout;

    36     FT_Bitmap             bitmap;

    37     gint                  bitmap_buffer_size;

    38     gint                  baseline_y;

    39 };

    40 

    41 struct _GstTextRenderClass {

    42     GstElementClass parent_class;

    43 

    44     PangoContext *pango_context;

    45 };

    46 

    47 GType gst_text_render_get_type(void) G_GNUC_CONST;

    48 

    49 G_END_DECLS

    50 

    51 #endif /* __GST_TEXT_RENDER_H */