4b88b00600
git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@10357 626c5289-ae23-0410-ae9c-e8d60b6d4f22
69 lines
1.3 KiB
C++
69 lines
1.3 KiB
C++
/* File : example.c */
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#include "example.h"
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#include <stdio.h>
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#define M_PI 3.14159265358979323846
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/* Move the shape to a new location */
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void Shape::move(double dx, double dy) {
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x += dx;
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y += dy;
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}
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int Shape::nshapes = 0;
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double Circle::area(void) {
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return M_PI*radius*radius;
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}
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double Circle::perimeter(void) {
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return 2*M_PI*radius;
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}
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double Square::area(void) {
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return width*width;
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}
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double Square::perimeter(void) {
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return 4*width;
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}
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Circle* createCircle(double w)
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{
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return new Circle(w);
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}
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Square* createSquare(double w)
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{
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return new Square(w);
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}
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ShapeOwner::ShapeOwner() {printf(" ShapeOwner(%p)\n",this);}
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ShapeOwner::~ShapeOwner()
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{
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printf(" ~ShapeOwner(%p)\n",this);
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for(unsigned i=0;i<shapes.size();i++)
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delete shapes[i];
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}
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void ShapeOwner::add(Shape* ptr) // this method takes ownership of the object
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{
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shapes.push_back(ptr);
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}
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Shape* ShapeOwner::get(int idx) // this pointer is still owned by the class (assessor)
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{
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if (idx<0 || idx>=shapes.size())
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return NULL;
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return shapes[idx];
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}
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Shape* ShapeOwner::remove(int idx) // this method returns memory which must be deleted
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{
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if (idx<0 || idx>=shapes.size())
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return NULL;
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Shape* ptr=shapes[idx];
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shapes.erase(shapes.begin()+idx);
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return ptr;
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}
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