Magic_Game/core/Node/Sprite.cpp

#include "..\e2dnode.h"


e2d::Sprite::Sprite()
	: m_pImage(nullptr)
{
}

e2d::Sprite::Sprite(Image * image)
	: m_pImage(nullptr)
{
	open(image);
}

e2d::Sprite::Sprite(String strFilePath)
	: m_pImage(nullptr)
{
	open(strFilePath);
}

e2d::Sprite::Sprite(int resNameId, String resType)
	: m_pImage(nullptr)
{
	open(resNameId, resType);
}

e2d::Sprite::Sprite(String strFilePath, double x, double y, double width, double height)
	: m_pImage(nullptr)
{
	open(strFilePath);
	crop(x, y, width, height);
}

e2d::Sprite::Sprite(int resNameId, String resType, double x, double y, double width, double height)
	: m_pImage(nullptr)
{
	open(resNameId, resType);
	crop(x, y, width, height);
}

e2d::Sprite::~Sprite()
{
}

bool e2d::Sprite::open(Image * image)
{
	if (image)
	{
		SafeRelease(&m_pImage);
		m_pImage = image;
		m_pImage->retain();

		Node::setSize(m_pImage->getWidth(), m_pImage->getHeight());
		return true;
	}
	return false;
}

bool e2d::Sprite::open(String strFilePath)
{
	if (!m_pImage)
	{
		m_pImage = new (std::nothrow) Image();
		m_pImage->retain();
	}

	if (m_pImage->open(strFilePath))
	{
		Node::setSize(m_pImage->getWidth(), m_pImage->getHeight());
		return true;
	}
	return false;
}

bool e2d::Sprite::open(int resNameId, String resType)
{
	if (!m_pImage)
	{
		m_pImage = new (std::nothrow) Image();
		m_pImage->retain();
	}

	if (m_pImage->open(resNameId, resType))
	{
		Node::setSize(m_pImage->getWidth(), m_pImage->getHeight());
		return true;
	}
	return false;
}

void e2d::Sprite::crop(double x, double y, double width, double height)
{
	m_pImage->crop(x, y, width, height);
	Node::setSize(
		min(max(width, 0), m_pImage->getSourceWidth() - m_pImage->getCropX()),
		min(max(height, 0), m_pImage->getSourceHeight() - m_pImage->getCropY())
	);
}

e2d::Image * e2d::Sprite::getImage() const
{
	return m_pImage;
}

void e2d::Sprite::onRender()
{
	if (m_pImage && m_pImage->getBitmap())
	{
		// »ñȡͼƬ²Ã¼ôλÖÃ
		float fCropX = static_cast<float>(m_pImage->getCropX());
		float fCropY = static_cast<float>(m_pImage->getCropY());
		// äÖȾͼƬ
		Renderer::getRenderTarget()->DrawBitmap(
			m_pImage->getBitmap(),
			D2D1::RectF(0, 0, m_fWidth, m_fHeight),
			m_fDisplayOpacity,
			D2D1_BITMAP_INTERPOLATION_MODE_LINEAR,
			D2D1::RectF(
				fCropX,
				fCropY,
				fCropX + m_fWidth,
				fCropY + m_fHeight
			)
		);
	}
}

void e2d::Sprite::destroy()
{
	Node::destroy();
	SafeRelease(&m_pImage);
}