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/* -*- Mode: C; c-file-style: "stroustrup" -*- */
#ifndef __GST_TEXTOVERLAY_H__
#define __GST_TEXTOVERLAY_H__
#include <gst/gst.h>
#include <pango/pangoft2.h>
G_BEGIN_DECLS
#define GST_TYPE_TEXTOVERLAY (gst_textoverlay_get_type())
#define GST_TEXTOVERLAY(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),\
GST_TYPE_TEXTOVERLAY, GstTextOverlay))
#define GST_TEXTOVERLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),\
GST_TYPE_ULAW, GstTextOverlay))
#define GST_TEXTOVERLAY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj),\
GST_TYPE_TEXTOVERLAY, GstTextOverlayClass))
#define GST_IS_TEXTOVERLAY(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),\
GST_TYPE_TEXTOVERLAY))
#define GST_IS_TEXTOVERLAY_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),\
GST_TYPE_TEXTOVERLAY))
typedef struct _GstTextOverlay GstTextOverlay;
typedef struct _GstTextOverlayClass GstTextOverlayClass;
typedef enum _GstTextOverlayVAlign GstTextOverlayVAlign;
typedef enum _GstTextOverlayHAlign GstTextOverlayHAlign;
enum _GstTextOverlayVAlign
{
GST_TEXT_OVERLAY_VALIGN_BASELINE,
GST_TEXT_OVERLAY_VALIGN_BOTTOM,
GST_TEXT_OVERLAY_VALIGN_TOP,
};
enum _GstTextOverlayHAlign
{
GST_TEXT_OVERLAY_HALIGN_LEFT,
GST_TEXT_OVERLAY_HALIGN_CENTER,
GST_TEXT_OVERLAY_HALIGN_RIGHT,
};
struct _GstTextOverlay
{
GstElement element;
GstPad *video_sinkpad;
GstPad *text_sinkpad;
GstPad *srcpad;
gint width;
gint height;
PangoLayout *layout;
FT_Bitmap bitmap;
gint bitmap_buffer_size;
gint baseline_y;
GstTextOverlayVAlign valign;
GstTextOverlayHAlign halign;
gint x0;
gint y0;
GstBuffer *current_buffer;
GstBuffer *next_buffer;
gchar *default_text;
gboolean need_render;
};
struct _GstTextOverlayClass
{
GstElementClass parent_class;
PangoContext *pango_context;
};
GType
gst_textoverlay_get_type (void)
G_GNUC_CONST;
G_END_DECLS
#endif /* __GST_TEXTOVERLAY_H */
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