Magnifier II

Version 1.0   21 November, 2017

Summary

Magnifier II is an image viewer. An image file dragged onto the widget's window is displayed.
Magnifier II has a magnifier feature. A magnifying glass is displayed in the window.

Instructions

Select a file by using the Choose File button, or drag an image file onto the drop area of the window.
The image appears at full scale, but the window frame is, if necessary, constrained to fit the computer’s display.

The pixel position of the mouse cursor can be displayed by clicking on the image.

Magnifier Feature

The default size of the magnifier glass and the magnification factor can be set by using the menu buttons at the top left of the window. The magnifier lens type can also be chosen.

The magnifier can be dragged around the window with its handle.

The size of the magnifier glass and the magnification factor can be changed by using the sliders immediately above the displayed image.

The pixel position of the small cross at the centre of the glass is displayed whenever the glass is moved.

Settings Menus

The menus on the left of the window set default values which are used immediately and at the next load or reload of the webpage/widget. They are also preserved in cookies between runs of the widget (if cookies have been permitted).

The sliders immediately above the displayed image can be used to change the size of the magnifier glass and the magnification factor, but do not affect the default settings.

Supported Browsers

This web widget is known to work correctly on macOS Sierra using the latest Safari and Firefox browsers and on the iPad using touch actions.
It may well work correctly on other desktop computers and browsers.
Behaviour on other tablet computers and mobile phones is unknown.

Credits

Magnifier Concept and Graphics

Dean Beedell

Coding and Documentation

Harry Whitfield (G6AUC)

License

The Magnifier II web widget is Copyright © 2017 Dean Beedell and Harry Whitfield (G6AUC).

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA