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IsoGeometryTools.cpp

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00001 
00023 #include "IsoGeometryTools.h"
00024 
00026 
00028 POINT CreatePoint(int x, int y) {
00029     POINT result;
00030 
00031     result.x = x;
00032     result.y = y;
00033 
00034     return result;
00035 }
00036 
00038 SDL_Rect* GetSDLRect(POINT* p) {
00039     SDL_Rect* result = new SDL_Rect();
00040 
00041     result->x = p->x;
00042     result->y = p->y;
00043 
00044     result->w = 0;
00045     result->h = 0;
00046 
00047     return result;
00048 }
00049 
00050 bool PointInRect(RECT* r, POINT* p) {
00051     if(p->x <= r->left) {
00052         return false;
00053     }
00054 
00055     if(p->x > r->right) {
00056         return false;
00057     }
00058 
00059     if(p->y <= r->top) {
00060         return false;
00061     }
00062 
00063     if(p->y > r->bottom) {
00064         return false;
00065     }
00066 
00067     return true;
00068 }
00069 
00071 
00072 
00073 
00075 
00077 void setRectEmpty(RECT* rectangle) {
00078     rectangle->bottom = 0;
00079     rectangle->left = 0;
00080     rectangle->right = 0;
00081     rectangle->top = 0;
00082 }
00083 
00085 void setRect(RECT* rectangle, long left, long top, long right, long bottom) {
00086     rectangle->bottom = bottom;
00087     rectangle->left = left;
00088     rectangle->right = right;
00089     rectangle->top = top;
00090 }
00091 
00093 void CopyRect(RECT* destination, RECT* source) {
00094     destination->bottom = source->bottom;
00095     destination->left = source->left;
00096     destination->right = source->right;
00097     destination->top = source->top;
00098 }
00099 
00101 void OffsetRect(RECT* rectangle, int dx, int dy) {
00102     rectangle->left += dx;
00103     rectangle->right += dx;
00104 
00105     rectangle->top += dy;
00106     rectangle->bottom += dy;
00107 }
00108 
00109 void OffsetRect(RECT* rectangle, POINT point) {
00110     OffsetRect(rectangle, point.x, point.y);
00111 }
00112 
00114 SDL_Rect* GetSDLRect(RECT* r) {
00115     SDL_Rect* result = new SDL_Rect();
00116 
00117     result->x = r->left;
00118     result->y = r->top;
00119     result->w = r->right - r->left;
00120     result->h = r->bottom - r->top;
00121 
00122     return result;
00123 }
00124 

Generated on Mon May 26 22:13:18 2003 for SDL Isometric Engine by doxygen1.2.14 written by Dimitri van Heesch, © 1997-2002