Sample task no 5

Krzysztof Mossakowski Windows Programming 2005 - Tasks

Menu, modal dialog boxes

Sample task

Gradient, clipping using text outline

• Demonstration
• Functionality:
  • client area filled using gradient
  • clipping region set using text's outline
  • allow to resize the window
  • menu:
    • File\Exit
    • Dialogs\Text dialog (Ctrl+T) - open dialog box for setting the text
    • Dialogs\Color dialog (Ctrl+C) - open dialog box with gradient's settings
• Technical issues:
  • Text dialog
    • text box
    • 'Font' button - open common font dialog box
    • 'OK' button - accept changes
    • 'Cancel' button
  • Color dialog
    • 2 radio buttons - the type of the gradient: vertical or horizontal
    • 2 buttons for changing gradient's colors (open common color dialog box)
    • bitmaps 16px x 16px on buttons with chosen colors
    • buttons 'OK', 'Cancel'
  • always initialize dialog boxes with current settings
  • additional keyboard shortcuts
    • Alt+H - horizontal gradient
    • Alt+V - vertical gradient
  • IMPORTANT: GradientFill() function must be used
  • avoid flickering
• Hints:
  • GradientFill
  • BeginPath, EndPath
  • ChooseColor
  • ChooseFont
  • DialogBox
  • BM_SETIMAGE