gfx/public/nsSize.h

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  37
  38 #ifndef NSSIZE_H
  39 #define NSSIZE_H
  40
  41 #include "nsCoord.h"
  42
  43 // Maximum allowable size
  44 #define NS_MAXSIZE nscoord_MAX
  45
  46 struct nsSize {
  47   nscoord width, height;
  48
  49   // Constructors
  50   nsSize() {}
  51   nsSize(const nsSize& aSize) {width = aSize.width; height = aSize.height;}
  52   nsSize(nscoord aWidth, nscoord aHeight) {width = aWidth; height = aHeight;}
  53
  54   void SizeTo(nscoord aWidth, nscoord aHeight) {width = aWidth; height = aHeight;}
  55   void SizeBy(nscoord aDeltaWidth, nscoord aDeltaHeight) {width += aDeltaWidth;
  56                                                           height += aDeltaHeight;}
  57
  58   // Overloaded operators. Note that '=' isn't defined so we'll get the
  59   // compiler generated default assignment operator
  60   PRBool  operator==(const nsSize& aSize) const {
  61     return (PRBool) ((width == aSize.width) && (height == aSize.height));
  62   }
  63   PRBool  operator!=(const nsSize& aSize) const {
  64     return (PRBool) ((width != aSize.width) || (height != aSize.height));
  65   }
  66   nsSize operator+(const nsSize& aSize) const {
  67     return nsSize(width + aSize.width, height + aSize.height);
  68   }
  69   nsSize& operator+=(const nsSize& aSize) {width += aSize.width;
  70                                            height += aSize.height;
  71                                            return *this;}
  72 };
  73
  74 #ifdef NS_COORD_IS_FLOAT
  75 struct nsIntSize {
  76   PRInt32 width, height;
  77
  78   nsIntSize() {}
  79   nsIntSize(const nsIntSize& aSize) {width = aSize.width; height = aSize.height;}
  80   nsIntSize(PRInt32 aWidth, PRInt32 aHeight) {width = aWidth; height = aHeight;}
  81
  82   void SizeTo(PRInt32 aWidth, PRInt32 aHeight) {width = aWidth; height = aHeight;}
  83 };
  84 #else
  85 typedef nsSize nsIntSize;
  86 #endif
  87
  88 #endif /* NSSIZE_H */