f201d52247
the text window every time we refresh the graphics window, because that's slow. Use classes instead of structs for everything; I don't understand the template handling for structs. And implement the IdList, which I will try to use in many places. [git-p4: depot-paths = "//depot/solvespace/": change = 1655]
89 lines
1.6 KiB
C++
89 lines
1.6 KiB
C++
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#ifndef __DSC_H
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#define __DSC_H
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typedef unsigned long DWORD;
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typedef unsigned char BYTE;
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class Vector {
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public:
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double x, y, z;
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Vector Cross(Vector b);
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double Vector::Dot(Vector b);
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Vector RotatedAbout(Vector axis, double theta);
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double Magnitude(void);
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Vector ScaledBy(double v);
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};
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class Point2d {
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public:
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double x, y;
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};
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template <class T, class H>
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class IdList {
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public:
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typedef struct {
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T v;
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H h;
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int tag;
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} Elem;
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Elem *elem;
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int elems;
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int elemsAllocated;
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void AddAndAssignId(T *v) {
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int i;
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int id = 0;
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for(i = 0; i < elems; i++) {
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id = max(id, elem[i].h.v);
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}
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H h;
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h.v = id + 1;
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AddById(v, h);
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}
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void AddById(T *v, H h) {
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if(elems >= elemsAllocated) {
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elemsAllocated = (elemsAllocated + 32)*2;
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elem = (Elem *)realloc(elem, elemsAllocated*sizeof(elem[0]));
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if(!elem) oops();
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}
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elem[elems].v = *v;
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elem[elems].h = h;
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elem[elems].tag = 0;
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elems++;
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}
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void RemoveTagged(void) {
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int src, dest;
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dest = 0;
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for(src = 0; src < elems; src++) {
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if(elem[src].tag) {
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// this item should be deleted
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} else {
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if(src != dest) {
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elem[dest] = elem[src];
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}
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dest++;
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}
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}
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elems = dest;
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// and elemsAllocated is untouched
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}
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void Clear(void) {
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elemsAllocated = elems = 0;
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if(elem) free(elem);
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}
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};
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#endif
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