void gtk_text_buffer_insert_paintable ( GtkTextBuffer* buffer, GtkTextIter* iter, GdkPaintable* paintable )
Inserts an image into the text buffer at
The image will be counted as one character in character counts,
and when obtaining the buffer contents as a string, will be
represented by the Unicode “object replacement character” 0xFFFC.
Note that the “slice” variants for obtaining portions of the buffer
as a string include this character for paintable, but the “text”
variants do not. e.g. see