2D Graphics. Description of 2D graphic operations in Qt4. In this Chapter, you can learn how to handle the graphic scenes, views, and items in the Qt program.

1. Ch 8 2D Graphics Author: Tony

6. drawRect

7. drawRoundRect

8. drawEllipse

10. drawChord

11. drawPie

13. DrawPixmap

14. DrawPath

18. Set render hint

19. Set painter path

20. Set painter setting for Painter object

21. Draw the path

22. Pen Style

23. Cap Style

24. Join Style

25. Brush Style

27. Radial

28. Conical

30. Antialiasing

31. Antialiasing (cont.)

35. Scale

36. Rotate

37. Shear (ref. to Affine Transformations)

38. World Transformation (cont.)

42. Connect its timeout() signal to the slots

47. time()

52. Perform the drawing using the QPainter

54. How to paint by Qt's platform-independent graphics engine? (cont.) Initializes the painter's pen, background, and font

57. Graphics View (cont.)

60. QGraphicsItemGroup

61. QGraphicsView

67. Want to use the tr function

70. Call update() to schedule a repaint

72. Ex: setText()

73. ItemChange (cont.)

75. whether the item needs to be re-drawn

78. Hit test

82. bringToFront()

86. Describe the parameters needed to draw a QGraphicsItem

92. Printing (cont.)