Method draw_text

src/opencv/mod.rs:265–289

Draws text on the image at position `(x, y)`.

(&mut self, txt: &str, x: usize, y: usize, font: &Font)

    /// Draws text on the image at position `(x, y)`.
    fn draw_text(&mut self, txt: &str, x: usize, y: usize, font: &Font) {

        let mut s = txt.to_string();
        s.push('\0');

        let p = CvPoint {
            x: x as c_int,
            y: y as c_int
        };

        // TODO color
        let sc = CvScalar {
            val: [255 as c_double, 255 as c_double, 255 as c_double, 255 as c_double]
        };

        unsafe {
            cvPutText(
                self.buffer() as *mut CvArr, 
                s.as_ptr()    as *const c_char,
                p,
                & *(font.font) as *const CvFont,
                sc
            );
        }
    }

    /// Creates a new image by organizing the given list of images into a grid.
    ///