src/preferences/screensaver/Utility.h

   1 #ifndef UTILITY_H
   2 #define UTILITY_H
   3
   4
   5 #include <Rect.h>
   6
   7
   8 inline BPoint
   9 scale_direct(float x, float y, BRect area)
  10 {
  11         return BPoint(area.Width() * x + area.left, area.Height() * y + area.top);
  12 }
  13
  14
  15 inline BRect
  16 scale_direct(float x1, float x2, float y1, float y2, BRect area)
  17 {
  18         return BRect(area.Width() * x1 + area.left, area.Height() * y1 + area.top,
  19                 area.Width()* x2 + area.left, area.Height() * y2 + area.top);
  20 }
  21
  22 static const float kPositionalX[] = { 0, 0.1, 0.25, 0.3, 0.7, 0.75, 0.9, 1.0 };
  23 static const float kPositionalY[] = { 0, 0.1, 0.7, 0.8, 0.9, 1.0 };
  24
  25 inline BPoint
  26 scale(int x, int y,BRect area)
  27 {
  28         return scale_direct(kPositionalX[x], kPositionalY[y], area);
  29 }
  30
  31
  32 inline BRect
  33 scale(int x1, int x2, int y1, int y2,BRect area)
  34 {
  35         return scale_direct(kPositionalX[x1], kPositionalX[x2],
  36                 kPositionalY[y1], kPositionalY[y2], area);
  37 }
  38
  39
  40 #endif  // UTILITY_H