added shapes collection

1 files changed, 102 insertions, 0 deletions

diff --git a/Sem. 13/ShapeCollection/ShapeCollection.cpp b/Sem. 13/ShapeCollection/ShapeCollection.cpp
new file mode 100644
index 0000000..babe36d
--- /dev/null
+++ b/Sem. 13/ShapeCollection/ShapeCollection.cpp
@@ -0,0 +1,102 @@
+#include "ShapeCollection.h"
+#include <stdexcept>      // std::out_of_range
+#include "Rectangle.h"
+#include "Circle.h"
+
+#include "Triangle.h"
+
+void ShapeCollection::free()
+{
+	for (size_t i = 0; i < shapesCount; i++)
+		delete shapes[i];  //не се инт. какъв обект е. (вирт дестр)
+	delete[] shapes;
+}
+void ShapeCollection::copyFrom(const ShapeCollection& other)
+{
+	shapes = new Shape* [other.shapesCount];
+	shapesCount = other.shapesCount;
+	capacity = other.capacity;
+
+	for (size_t i = 0; i < shapesCount; i++)
+	{
+		shapes[i] = other.shapes[i]->clone();
+	}
+}
+
+void ShapeCollection::resize()
+{
+	Shape** newCollection = new Shape * [capacity *= 2];
+	for (size_t i = 0; i < shapesCount; i++)
+		newCollection[i] = shapes[i]; // !!не правим клониране
+	delete[] shapes;
+	shapes = newCollection;
+}
+
+ShapeCollection::ShapeCollection()
+{
+	capacity = 8;
+	shapesCount = 0;
+	shapes = new Shape * [capacity];
+}
+
+ShapeCollection::ShapeCollection(const ShapeCollection& other)
+{
+	copyFrom(other);
+}
+ShapeCollection& ShapeCollection::operator=(const ShapeCollection& other)
+{
+	if (this != &other)
+	{
+		free();
+		copyFrom(other);
+	}
+	return *this;
+}
+ShapeCollection::~ShapeCollection()
+{
+	free();
+}
+
+void ShapeCollection::addShape(Shape* shape)
+{
+	if (shapesCount == capacity)
+		resize();
+	shapes[shapesCount++] = shape; //we dont make a copy here (it's a private function, called from creation funcions)
+}
+
+void ShapeCollection::addRectangle(int x1, int y1, int x3, int y3)
+{
+	Rectangle* rect = new Rectangle(x1, y1, x3,y3);
+	addShape(rect);
+}
+void ShapeCollection::addCircle(int x1, int y1, int r)
+{
+	Circle* circlce = new Circle(x1, y1, r);
+	addShape(circlce);
+
+}
+
+void ShapeCollection::addTriangle(int x1, int y1, int x2, int y2, int x3, int y3)
+{
+	Triangle* tr = new Triangle(x1, y1,x2,y2, x3, y3);
+	addShape(tr);
+}
+
+double ShapeCollection::getPerOfFigureByIndex(size_t ind) const
+{
+	if (ind >= shapesCount)
+		throw std::out_of_range("Out of range in shapes collection");
+	return shapes[ind]->getPer();
+}
+double ShapeCollection::getAreaOfFigureByIndex(size_t ind) const
+{
+	if (ind >= shapesCount)
+		throw std::out_of_range("Out of range in shapes collection");
+	return shapes[ind]->getArea();
+}
+double ShapeCollection::getIfPointInShapeByIndex(size_t ind, int x, int y) const
+{
+	if (ind >= shapesCount)
+		throw std::out_of_range("Out of range in shapes collection");
+	return shapes[ind]->isPointIn(x, y);
+}
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