#demo-cordova-imager
this is simple application that can run in browser or under cordova on mobile device with functionality:
- load and display image (fits into view area regardless of portrait/landscape mode and image size)
- ability to smoothly pinch-to-zoom image (use shift+mousedown on Desktop to test)
- drawn lines also zoomed with image
- ability to draw lines
- click/tap on "Draw" button in footer
- draw one line with mouse or finger
- once line finished, it will auto-close it
- for another line, click on "Draw" again
- ability to delete lines
- click/tap on "Delete" button in footer
- click/tap on selected line (it could be hard to tap on line on real device - as a workaround try to zoom in, so there is a room for improvements)
- to delete another line, click on "Delete" again
- on iOS/Android device under cordova app you may open image from photo library
- click/tap on "Delete" button in footer and select image from library
- selected image loaded
- how to resize image to fit specified container size
- how to pinch-to-zoom with Hammer.js
- how to draw lines with mouse or tap using SVG with Raphael.js
- how to easily zoom or scale SVG graphics with Raphael's
Paper.setViewBox()
- how to open image from the iOS or Android photo gallery with cordova
sudo npm install -g cordova //this installs cordova, if not yet done
cordova create imager com.yourname.imager Imager //creates directory "imager" with app skeleton in it
cd imager
rm -Rf www //remove default cordova app content
git clone https://github.com/osalabs/demo-cordova-imager.git www/ //put all content of repository www directory into imager/www
cordova plugin add cordova-plugin-camera //adds a camera plugin to app
cordova platform add ios //add platform for ios, repeat for "android" or other platforms if necessary
cordova build //build app, after that you may run it in XCode/emulator
sudo npm install -g ios-sim //optional, install ios-sim, so you can use next command
cordova run ios //if ios-sim installed as above you may run app in simulator directly from command line