1 /* 2 * GStreamer 3 * Copyright (C) 2005 Thomas Vander Stichele <thomas@apestaart.org> 4 * Copyright (C) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.net> 5 * Copyright (C) 2010 Sreerenj Balachandran <bsreerenj@gmail.com> 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included in 15 * all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 23 * DEALINGS IN THE SOFTWARE. 24 * 25 * Alternatively, the contents of this file may be used under the 26 * GNU Lesser General Public License Version 2.1 (the "LGPL"), in 27 * which case the following provisions apply instead of the ones 28 * mentioned above: 29 * 30 * This library is free software; you can redistribute it and/or 31 * modify it under the terms of the GNU Library General Public 32 * License as published by the Free Software Foundation; either 33 * version 2 of the License, or (at your option) any later version. 34 * 35 * This library is distributed in the hope that it will be useful, 36 * but WITHOUT ANY WARRANTY; without even the implied warranty of 37 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 38 * Library General Public License for more details. 39 * 40 * You should have received a copy of the GNU Library General Public 41 * License along with this library; if not, write to the 42 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 43 * Boston, MA 02110-1301, USA. 44 */ 45 46 #ifndef __GST_OPENCV_TEXT_OVERLAY_H__ 47 #define __GST_OPENCV_TEXT_OVERLAY_H__ 48 49 #include <gst/opencv/gstopencvvideofilter.h> 50 #include <opencv2/core.hpp> 51 #include <opencv2/imgproc.hpp> 52 53 G_BEGIN_DECLS 54 55 /* #defines don't like whitespacey bits */ 56 #define GST_TYPE_OPENCV_TEXT_OVERLAY \ 57 (gst_opencv_text_overlay_get_type()) 58 #define GST_OPENCV_TEXT_OVERLAY(obj) \ 59 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OPENCV_TEXT_OVERLAY,GstOpencvTextOverlay)) 60 #define GST_OPECV_TEXT_OVERLAY_CLASS(klass) \ 61 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OPECV_TEXT_OVERLAY,GstOpencvTextOverlayClass)) 62 #define GST_IS_OPENCV_TEXT_OVERLAY(obj) \ 63 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OPENCV_TEXT_OVERLAY)) 64 #define GST_IS_OPENCV_TEXT_OVERLAY_CLASS(klass) \ 65 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OPENCV_TEXT_OVERLAY)) 66 67 typedef struct _GstOpencvTextOverlay GstOpencvTextOverlay; 68 typedef struct _GstOpencvTextOverlayClass GstOpencvTextOverlayClass; 69 70 struct _GstOpencvTextOverlay 71 { 72 GstOpencvVideoFilter element; 73 74 gint xpos; 75 gint ypos; 76 gint thickness; 77 gint colorR,colorG,colorB; 78 gdouble height; 79 gdouble width; 80 gchar *textbuf; 81 82 }; 83 84 struct _GstOpencvTextOverlayClass 85 { 86 GstOpencvVideoFilterClass parent_class; 87 }; 88 89 GType gst_opencv_text_overlay_get_type (void); 90 gboolean gst_opencv_text_overlay_plugin_init (GstPlugin * plugin); 91 92 G_END_DECLS 93 94 #endif /* __GST_OPENCV_TEXT_OVERLAY_H__ */ 95