Return the height of the currently open image file. */
| 137 | } |
| 138 | /** Return the height of the currently open image file. */ |
| 139 | unsigned int height() const |
| 140 | { |
| 141 | return _height; |
| 142 | } |
| 143 | /** Return true if the image file is currently open */ |
| 144 | virtual bool is_open() = 0; |
| 145 | /** Open an image file and reads its metadata (Width, height) |