Cross-sectional task

Image transformations

• Demonstration
• Functionality:
  • Choosen image displayed in client area
  • Resizeable window
  • Menu:
    • File\Load Bitmap (Ctrl+O) - opens a system dialog do file selection, filter should be set to "Bitmaps (*.bmp)"
    • File\Options (Ctrl+F9) - opens dialog with image transformations settings
    • File\Exit - ends application
    • Channels\R (Alt+R) - enables/disables image's red channel
    • Channels\G (Alt+G) - enables/disables image's green channel
    • Channels\B (Alt+B) - enables/disables image's blue channel
    • Zoom\50%, 100% and 200% - image zoom
• Technical requirements:
  • Settings dialog
    • a group of 3 check box - enabled/disabled image's channels
    • a group of 2 check box - image transformations
      • flip horizontal
      • flip vertical
    • OK button - accept settings, refresh image
    • Cancel button - cancel changes, no image refresh
  • all active menu items are checked (enabled color channels, selected zoom)
  • dialog settings checked and active menu setting are corresponding
  • hotkeys
    • Alt+H - flip horizontal
    • Alt+V - flip vertical
    • "+" - incrase zoom
    • "-" - decrase zoom

• Approximate points:
  • system open file dialog, image loading and displaying: 2.0
  • flip horizontal, flip vertical: 1.0
  • color channels disable/enable: 2.0
  • zoom: 1.0
  • options dialog: 1.5
  • menu item marks: 1.0
  • menu item hot keys: 0.5
  • non-menu item hot keys: 1.0

• Links for uploading:
  • Solutions
  • Corrections