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nsSize.h
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00037 
00038 #ifndef NSSIZE_H
00039 #define NSSIZE_H
00040 
00041 #include "nsCoord.h"
00042 
00043 // Maximum allowable size
00044 #define NS_MAXSIZE nscoord_MAX
00045 
00046 struct nsSize {
00047   nscoord width, height;
00048 
00049   // Constructors
00050   nsSize() {}
00051   nsSize(const nsSize& aSize) {width = aSize.width; height = aSize.height;}
00052   nsSize(nscoord aWidth, nscoord aHeight) {width = aWidth; height = aHeight;}
00053 
00054   void SizeTo(nscoord aWidth, nscoord aHeight) {width = aWidth; height = aHeight;}
00055   void SizeBy(nscoord aDeltaWidth, nscoord aDeltaHeight) {width += aDeltaWidth;
00056                                                           height += aDeltaHeight;}
00057 
00058   // Overloaded operators. Note that '=' isn't defined so we'll get the
00059   // compiler generated default assignment operator
00060   PRBool  operator==(const nsSize& aSize) const {
00061     return (PRBool) ((width == aSize.width) && (height == aSize.height));
00062   }
00063   PRBool  operator!=(const nsSize& aSize) const {
00064     return (PRBool) ((width != aSize.width) || (height != aSize.height));
00065   }
00066   nsSize operator+(const nsSize& aSize) const {
00067     return nsSize(width + aSize.width, height + aSize.height);
00068   }
00069   nsSize& operator+=(const nsSize& aSize) {width += aSize.width;
00070                                            height += aSize.height;
00071                                            return *this;}
00072 };
00073 
00074 #ifdef NS_COORD_IS_FLOAT
00075 struct nsIntSize {
00076   PRInt32 width, height;
00077 
00078   nsIntSize() {}
00079   nsIntSize(const nsIntSize& aSize) {width = aSize.width; height = aSize.height;}
00080   nsIntSize(PRInt32 aWidth, PRInt32 aHeight) {width = aWidth; height = aHeight;}
00081 
00082   void SizeTo(PRInt32 aWidth, PRInt32 aHeight) {width = aWidth; height = aHeight;}
00083 };
00084 #else
00085 typedef nsSize nsIntSize;
00086 #endif
00087 
00088 #endif /* NSSIZE_H */