mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-26 10:10:32 +00:00
73 lines
2.3 KiB
C++
73 lines
2.3 KiB
C++
|
/* GStreamer
|
||
|
|
* Copyright (C) 2023 Seungha Yang <seungha@centricular.com>
|
||
|
|
*
|
||
|
|
* This 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.
|
||
|
|
*
|
||
|
|
* This 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 this library; if not, write to the
|
||
|
|
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
||
|
|
* Boston, MA 02110-1301, USA.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifdef HAVE_CONFIG_H
|
||
|
|
#include "config.h"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include "gstdwritetextoverlay.h"
|
||
|
|
|
||
|
|
GST_DEBUG_CATEGORY_STATIC (dwrite_text_overlay_debug);
|
||
|
|
#define GST_CAT_DEFAULT dwrite_text_overlay_debug
|
||
|
|
|
||
|
|
struct _GstDWriteTextOverlay
|
||
|
|
{
|
||
|
|
GstDWriteBaseOverlay parent;
|
||
|
|
};
|
||
|
|
|
||
|
|
static WString gst_dwrite_text_overlay_get_text (GstDWriteBaseOverlay * overlay,
|
||
|
|
const WString & default_text, GstBuffer * buffer);
|
||
|
|
|
||
|
|
#define gst_dwrite_text_overlay_parent_class parent_class
|
||
|
|
G_DEFINE_TYPE (GstDWriteTextOverlay, gst_dwrite_text_overlay,
|
||
|
|
GST_TYPE_DWRITE_BASE_OVERLAY);
|
||
|
|
|
||
|
|
static void
|
||
|
|
gst_dwrite_text_overlay_class_init (GstDWriteTextOverlayClass * klass)
|
||
|
|
{
|
||
|
|
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
|
||
|
|
GstDWriteBaseOverlayClass *overlay_class =
|
||
|
|
GST_DWRITE_BASE_OVERLAY_CLASS (klass);
|
||
|
|
|
||
|
|
gst_element_class_set_static_metadata (element_class,
|
||
|
|
"DirectWrite Text Overlay", "Filter/Editor/Video",
|
||
|
|
"Adds text strings on top of a video buffer",
|
||
|
|
"Seungha Yang <seungha@centricular.com>");
|
||
|
|
|
||
|
|
overlay_class->get_text =
|
||
|
|
GST_DEBUG_FUNCPTR (gst_dwrite_text_overlay_get_text);
|
||
|
|
|
||
|
|
GST_DEBUG_CATEGORY_INIT (dwrite_text_overlay_debug,
|
||
|
|
"dwritetextoverlay", 0, "dwritetextoverlay");
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
gst_dwrite_text_overlay_init (GstDWriteTextOverlay * self)
|
||
|
|
{
|
||
|
|
g_object_set (self, "text-alignment", DWRITE_TEXT_ALIGNMENT_CENTER,
|
||
|
|
"paragraph-alignment", DWRITE_PARAGRAPH_ALIGNMENT_FAR, nullptr);
|
||
|
|
}
|
||
|
|
|
||
|
|
static WString
|
||
|
|
gst_dwrite_text_overlay_get_text (GstDWriteBaseOverlay * overlay,
|
||
|
|
const WString & default_text, GstBuffer * buffer)
|
||
|
|
{
|
||
|
|
return default_text;
|
||
|
|
}
|