ShapesContainer.cpp

#include "ShapesContainer.h"

void ShapesContainer::Free()
{
	for (int i = 0; i < count; i++)
		delete shapes[i];

	delete[] shapes;
}
void ShapesContainer::CopyFrom(const ShapesContainer& other)
{
	shapes = new Shapes * [other.count];
	capacity = other.capacity;
	count = other.count;
	for (int i = 0; i < other.count; i++)
		shapes[i] = other.shapes[i]->clone();
}
void ShapesContainer::Resize(int NewCappacity)
{
	Shapes** NewArray = new Shapes * [NewCappacity];

	for (int i = 0; i < count; i++)
		NewArray[i] = shapes[i];
	delete[] shapes;
	shapes = NewArray;
	capacity = NewCappacity;
}

int ShapesContainer::GetCount()const
{
	return count;
}

ShapesContainer::ShapesContainer()
{
	capacity = 8;
	count = 0;
	shapes = new Shapes * [capacity];
}
ShapesContainer::ShapesContainer(const ShapesContainer& other)
{
	CopyFrom(other);
}
ShapesContainer& ShapesContainer::operator=(const ShapesContainer& other)
{
	if (this != &other)
	{
		Free();
		CopyFrom(other);
	}
	return *this;
}
ShapesContainer::~ShapesContainer()
{
	Free();
}


Shapes* ShapesContainer::AtIndex(int index)
{
	if (index - 1 > count)
		cout << "There is no figure at index" << index;
	else
		return shapes[index - 1];
}
void ShapesContainer::AddShape(const char* shape, double startX, double startY, const char* color, double endX, double endY)
{
	if (count == this->capacity)
		Resize(capacity * 2);

	Shapes* newObj;

	if (strcmp(shape, "line") == 0)
	{
		newObj = new Line(startX, startY, endX, endY, color, count + 1);
	}
	else if (strcmp(shape, "circle") == 0)
	{
		newObj = new Circle(startX, startY, endX, color, count + 1); // endX here plays the role of radius
	}
	else if (strcmp(shape, "rectangle") == 0)
	{
		newObj = new Rectangle(startX, startY, endX, endY, color, count + 1); // endX and endY play the role of width and height exactly in that order
	}
	else
	{
		throw "Invalid shape";
	}

	shapes[this->count++] = newObj;
}
void ShapesContainer::PrintAllInStrm(ostream& strm)
{
	for (int i = 0; i < count; i++)
		shapes[i]->Print(strm);
}
void ShapesContainer::PrintAll()cosnt
{
	for (int i = 0; i < count; i++)
		shapes[i]->Print();
}
void ShapesContainer::Erase(int index)
{
	//cout << count << index << endl;
	int i = 0;
	for (i; i < count; i++)
	{
		if (index == shapes[i]->GetID())
		{
			cout << "Erased figure number " << index << "!" << endl;
			Shapes** NewArray = new Shapes * [capacity];
			int i, j;
			for (i = 0; i < index - 1; i++)
				NewArray[i] = shapes[i];
			for (j = index; j < count; j++)
			{
				NewArray[i] = shapes[j];
				i++;
			}
			delete[] shapes;
			shapes = NewArray;
			count--;
			break;
		}
	}
	if (i == count)
	{
		cout << "There is no figure number " << index << "!" << endl;
	}
}
void ShapesContainer::WithinCircle(double startX, double startY, double radius)
{
	int counter = 0;
	for (int i = 0; i < count + 1; i++)
	{
		shapes[i]->WithinCircle(startX, startY, radius);
		if (shapes[i]->WithinCircle(startX, startY, radius))
		{
			counter++;
		}
	}
	if (counter == 0)
	{
		cout << "No figures are located within circle " << startX << " " << startY << " " << radius;
	}
}
void ShapesContainer::WithinRectangle(double startX, double startY, double width, double height)
{
	int counter = 0;
	for (int i = 0; i < count + 1; i++)
	{
		shapes[i]->WithinRectangle(startX, startY, width, height);
		if (shapes[i]->WithinRectangle(startX, startY, width, height))
		{
			counter++;
		}
	}
	if (counter == 0)
	{
		cout << "No figures are located within circle " << startX << " " << startY << " " << width << " " << height;
	}
}
void ShapesContainer::TranslateShape(double vertical, double horizontal)
{
	for (int i = 0; i < count; i++)
	{
		shapes[i]->Translate(vertical, horizontal);
	}
	cout << "All shape translated.";
}
void ShapesContainer::TranslateShape(double vertical, double horizontal, int n)
{
	shapes[n]->Translate(vertical, horizontal);
}
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