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Added the property for setting the RGB colours.

Browse source 
modified:   ext/opencv/textwrite/gsttextwrite.c
	modified:   ext/opencv/textwrite/gsttextwrite.h
This commit is contained in:
Sreerenj Balachandran 2010-03-02 13:55:05 +05:30 committed by Thiago Santos
parent 6d4f9ceeb5
commit a33e117af7
2 changed files with 48 additions and 2 deletions
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49
ext/opencv/textwrite/gsttextwrite.c
View file

@ -72,6 +72,8 @@ GST_DEBUG_CATEGORY_STATIC (gst_textwrite_debug);
#define DEFAULT_PROP_XPOS 50
#define DEFAULT_PROP_YPOS 50
#define DEFAULT_PROP_THICKNESS 2
#define DEFAULT_PROP_COLOR 0
/* Filter signals and args */
enum
@ -87,6 +89,9 @@ enum
PROP_XPOS,
PROP_YPOS,
PROP_THICKNESS,
PROP_COLOR_R,
PROP_COLOR_G,
PROP_COLOR_B,
PROP_TEXT,
PROP_HEIGHT,
PROP_WIDTH
@ -186,11 +191,28 @@ gst_textwrite_class_init (GsttextwriteClass * klass)
"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_THICKNESS,
g_object_class_install_property (gobject_class, PROP_THICKNESS,
g_param_spec_int ("thickness", "font thickness",
"Sets the Thickness of Font", 0, G_MAXINT,
DEFAULT_PROP_THICKNESS, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_COLOR_R,
g_param_spec_int ("colorR", "color -Red ",
"Sets the color -R", 0, 255,
DEFAULT_PROP_COLOR, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_COLOR_G,
g_param_spec_int ("colorG", "color -Green",
"Sets the color -G", 0, 255,
DEFAULT_PROP_COLOR, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_COLOR_B,
g_param_spec_int ("colorB", "color -Blue",
"Sets the color -B", 0, 255,
DEFAULT_PROP_COLOR, 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,
@ -232,6 +254,9 @@ gst_textwrite_init (Gsttextwrite * filter,
filter->xpos = DEFAULT_PROP_XPOS;
filter->ypos = DEFAULT_PROP_YPOS;
filter->thickness = DEFAULT_PROP_THICKNESS;
filter->colorR = DEFAULT_PROP_COLOR;
filter->colorG = DEFAULT_PROP_COLOR;
filter->colorB = DEFAULT_PROP_COLOR;
}
@ -255,6 +280,17 @@ gst_textwrite_set_property (GObject * object, guint prop_id,
case PROP_THICKNESS:
filter->thickness = g_value_get_int(value);
break;
case PROP_COLOR_R:
filter->colorR = g_value_get_int(value);
break;
case PROP_COLOR_G:
filter->colorG = g_value_get_int(value);
break;
case PROP_COLOR_B:
filter->colorB = g_value_get_int(value);
break;
case PROP_HEIGHT:
filter->height = g_value_get_double(value);
break;
@ -286,6 +322,15 @@ gst_textwrite_get_property (GObject * object, guint prop_id,
case PROP_THICKNESS:
g_value_set_int (value, filter->thickness);
break;
case PROP_COLOR_R:
g_value_set_int (value, filter->colorR);
break;
case PROP_COLOR_G:
g_value_set_int (value, filter->colorG);
break;
case PROP_COLOR_B:
g_value_set_int (value, filter->colorB);
break;
case PROP_HEIGHT:
g_value_set_double (value, filter->height);
break;
@ -339,7 +384,7 @@ gst_textwrite_chain (GstPad * pad, GstBuffer * buf)
cvInitFont(&(filter->font),CV_FONT_VECTOR0, filter->width,filter->height,0,filter->thickness,0);
cvPutText (filter->cvImage,filter->textbuf,cvPoint(filter->xpos,filter->ypos), &(filter->font), cvScalar(165,14,14,0));
cvPutText (filter->cvImage,filter->textbuf,cvPoint(filter->xpos,filter->ypos), &(filter->font), cvScalar(filter->colorR,filter->colorG,filter->colorB,0));
gst_buffer_set_data (buf, filter->cvImage->imageData,filter->cvImage->imageSize);

1
ext/opencv/textwrite/gsttextwrite.h
View file

@ -81,6 +81,7 @@ struct _Gsttextwrite
gint xpos;
gint ypos;
gint thickness;
gint colorR,colorG,colorB;
gdouble height;
gdouble width;
gchar *textbuf;