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added the propery for setting x and y co-ordinates

Browse source 
modified:   ext/opencv/textwrite/gsttextwrite.c
	modified:   ext/opencv/textwrite/gsttextwrite.h
This commit is contained in:
Sreerenj Balachandran 2010-03-02 12:41:25 +05:30 committed by Thiago Santos
parent 96a769dc28
commit d962551fb7
2 changed files with 30 additions and 1 deletions
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29
ext/opencv/textwrite/gsttextwrite.c
View file

@ -69,6 +69,8 @@ GST_DEBUG_CATEGORY_STATIC (gst_textwrite_debug);
#define DEFAULT_PROP_TEXT ""
#define DEFAULT_PROP_WIDTH 1
#define DEFAULT_PROP_HEIGHT 1
#define DEFAULT_PROP_XPOS 50
#define DEFAULT_PROP_YPOS 50
/* Filter signals and args */
enum
@ -81,6 +83,8 @@ enum
enum
{
PROP_0,
PROP_XPOS,
PROP_YPOS,
PROP_TEXT,
PROP_HEIGHT,
PROP_WIDTH
@ -170,6 +174,15 @@ gst_textwrite_class_init (GsttextwriteClass * klass)
"Text to be display.", DEFAULT_PROP_TEXT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_XPOS,
g_param_spec_int ("xpos", "horizontal position",
"Sets the Horizontal position", 0, G_MAXINT,
DEFAULT_PROP_XPOS, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_YPOS,
g_param_spec_int ("ypos", "vertical position",
"Sets the Vertical position", 0, G_MAXINT,
DEFAULT_PROP_YPOS, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_HEIGHT,
g_param_spec_double ("height", "Height",
"Sets the height of fonts",1.0,5.0,
@ -208,6 +221,8 @@ gst_textwrite_init (Gsttextwrite * filter,
filter->textbuf = g_strdup (DEFAULT_PROP_TEXT);
filter->width=DEFAULT_PROP_WIDTH;
filter->height=DEFAULT_PROP_HEIGHT;
filter->xpos=DEFAULT_PROP_XPOS;
filter->ypos=DEFAULT_PROP_XPOS;
}
@ -222,6 +237,12 @@ gst_textwrite_set_property (GObject * object, guint prop_id,
g_free (filter->textbuf);
filter->textbuf = g_value_dup_string (value);
break;
case PROP_XPOS:
filter->xpos = g_value_get_int(value);
break;
case PROP_YPOS:
filter->ypos = g_value_get_int(value);
break;
case PROP_HEIGHT:
filter->height = g_value_get_double(value);
break;
@ -244,6 +265,12 @@ gst_textwrite_get_property (GObject * object, guint prop_id,
case PROP_TEXT:
g_value_set_string (value, filter->textbuf);
break;
case PROP_XPOS:
g_value_set_int (value, filter->xpos);
break;
case PROP_YPOS:
g_value_set_int (value, filter->ypos);
break;
case PROP_HEIGHT:
g_value_set_double (value, filter->height);
break;
@ -298,7 +325,7 @@ gst_textwrite_chain (GstPad * pad, GstBuffer * buf)
cvInitFont(&(filter->font),CV_FONT_VECTOR0, filter->width,filter->height,0,lineWidth,0);
cvPutText (filter->cvImage,filter->textbuf,cvPoint(100,100), &(filter->font), cvScalar(165,14,14,0));
cvPutText (filter->cvImage,filter->textbuf,cvPoint(filter->xpos,filter->ypos), &(filter->font), cvScalar(165,14,14,0));
gst_buffer_set_data (buf, filter->cvImage->imageData,filter->cvImage->imageSize);

2
ext/opencv/textwrite/gsttextwrite.h
View file

@ -79,6 +79,8 @@ struct _Gsttextwrite
CvMemStorage *cvStorage;
CvFont font;
gint xpos;
gint ypos;
gdouble height;
gdouble width;
gchar *textbuf;