Magic_Game/Easy2D/Node/Image.cpp

#include "..\Easy2d.h"
#include "..\EasyX\easyx.h"

// <20><> PNG ͼ<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>
static void CrossImage(CImage &img);

Image::Image() :
	m_fScaleX(1),
	m_fScaleY(1)
{
}

Image::Image(LPCTSTR ImageFile, int x, int y, int width, int height) :
	m_fScaleX(1),
	m_fScaleY(1)
{
	setImageFile(ImageFile, x, y, width, height);	// <20><><EFBFBD><EFBFBD>ͼƬ<CDBC><C6AC>Դ<EFBFBD>Ͳü<CDB2><C3BC><EFBFBD>С
}

Image::~Image()
{
}

void Image::_onDraw()
{
	// display <20><><EFBFBD><EFBFBD>Ϊ false<73><65><EFBFBD><EFBFBD>δ<EFBFBD><CEB4><EFBFBD><EFBFBD>ͼƬ<CDBC><C6AC>Դʱ<D4B4><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƹ<EFBFBD>ͼƬ
	if (!m_bDisplay || m_Image.IsNull())
	{
		return;
	}
	// <20><><EFBFBD><EFBFBD>ͼƬ
	m_Image.Draw(GetImageHDC(), m_rDest, m_rSrc);
}

int Image::getWidth() const
{
	return m_rDest.Width();		// Ŀ<><C4BF><EFBFBD><EFBFBD><EFBFBD>εĿ<CEB5><C4BF><EFBFBD>
}

int Image::getHeight() const
{
	return m_rDest.Height();	// Ŀ<><C4BF><EFBFBD><EFBFBD><EFBFBD>εĸ߶<C4B8>
}

float Image::getScaleX() const
{
	return m_fScaleX;
}

float Image::getScaleY() const
{
	return m_fScaleY;
}

void Image::setImageFile(LPCTSTR ImageFile, int x, int y, int width, int height)
{
	// <20><><EFBFBD><EFBFBD>ͼƬ
	m_Image.Load(ImageFile);
	// <20><>ȡ<EFBFBD><C8A1>չ<EFBFBD><D5B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD> PNG ͼƬ<CDBC><C6AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>⴦<EFBFBD><E2B4A6>
	if (_T(".png") == FileUtils::getFileExtension(ImageFile))
	{
		// <20><><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>
		CrossImage(m_Image);
		// Alpha ͨ<><CDA8>
		m_Image.AlphaBlend(GetImageHDC(), 15, 30);
	}
	// <20><><EFBFBD><EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD><EFBFBD>Σ<EFBFBD><CEA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD><C6B5><EFBFBD><EFBFBD>ڵ<EFBFBD>λ<EFBFBD>úʹ<C3BA>С<EFBFBD><D0A1>
	m_rDest.SetRect(0, 0, m_Image.GetWidth(), m_Image.GetHeight());
	// <20>ü<EFBFBD>ͼƬ<CDBC><C6AC>С
	crop(x, y, width, height);
}

void Image::setImageRes(LPCTSTR pResName, int x, int y, int width, int height)
{
	// <20><><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD>ͼƬ<CDBC><C6AC><EFBFBD><EFBFBD>֧<EFBFBD><D6A7> PNG<4E><47>
	m_Image.LoadFromResource(GetModuleHandle(NULL), pResName);
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	m_fScaleX = 0, m_fScaleY = 0;
	// <20><><EFBFBD><EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD><EFBFBD>Σ<EFBFBD><CEA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD><C6B5><EFBFBD><EFBFBD>ڵ<EFBFBD>λ<EFBFBD>úʹ<C3BA>С<EFBFBD><D0A1>
	m_rDest.SetRect(0, 0, m_Image.GetWidth(), m_Image.GetHeight());
	// <20>ü<EFBFBD>ͼƬ<CDBC><C6AC>С
	crop(x, y, width, height);
}

void Image::crop(int x, int y, int width, int height)
{
	// <20><><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD>ε<EFBFBD>λ<EFBFBD>úʹ<C3BA>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD>ڲü<DAB2><C3BC><EFBFBD>
	m_rSrc.SetRect(
		x, y, 
		x + (width ? width : m_Image.GetWidth() - x), 
		y + (height ? height : m_Image.GetHeight() - y));
	// <20><><EFBFBD><EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD><EFBFBD>Σ<EFBFBD><CEA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD><C6B5><EFBFBD><EFBFBD>ڵ<EFBFBD>λ<EFBFBD>úʹ<C3BA>С<EFBFBD><D0A1>
	m_rDest.SetRect(
		m_nX, m_nY, 
		m_nX + (width ? width : int(m_rSrc.Width() * m_fScaleX)), 
		m_nY + (height ? height : int(m_rSrc.Height() * m_fScaleY)));
}

void Image::stretch(int width, int height)
{
	// <20><><EFBFBD><EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD><EFBFBD>ε<EFBFBD>λ<EFBFBD>úʹ<C3BA>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD><C6B5><EFBFBD><EFBFBD>ڵ<EFBFBD>λ<EFBFBD>úʹ<C3BA>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼƬ<CDBC><C6AC>
	m_rDest.SetRect(
		m_nX, m_nY, 
		m_nX + (width ? width : m_Image.GetWidth()), 
		m_nY + (height ? height : m_Image.GetHeight()));
}

void Image::scale(float scaleX, float scaleY)
{
	m_fScaleX = min(max(scaleX, 0), 1.0f);
	m_fScaleY = min(max(scaleY, 0), 1.0f);
	m_rDest.SetRect(
		m_nX, m_nY, 
		m_nX + int(m_Image.GetWidth() * scaleX), 
		m_nY + int(m_Image.GetHeight() * scaleY));
}

void Image::setPos(int x, int y)
{
	// <20>ƶ<EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	m_rDest.MoveToXY(x, y);
	m_nX = x;
	m_nY = y;
}

void Image::move(int x, int y)
{
	// <20>ƶ<EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	m_rDest.OffsetRect(x, y);
	m_nX += x;
	m_nY += y;
}

void Image::setX(int x)
{
	// <20>ƶ<EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	m_rDest.MoveToX(x);
	m_nX = x;
}

void Image::setY(int y)
{
	// <20>ƶ<EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	m_rDest.MoveToY(y);
	m_nY = y;
}

void Image::setTransparentColor(COLORREF value)
{
	// <20><><EFBFBD><EFBFBD>͸<EFBFBD><CDB8>ɫ
	m_Image.SetTransparentColor(value);
}

void Image::screenshot()
{
	tstring savePath;
	// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>λ<EFBFBD><CEBB>
	if (FileUtils::getSaveFilePath(savePath, _T("<EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD><EFBFBD>浽"), _T("jpg")))
	{
		// <20><><EFBFBD>洰<EFBFBD>ڽ<EFBFBD>ͼ
		IMAGE image;
		getimage(&image, 0, 0, Application::get()->getWidth(), Application::get()->getHeight());
		saveimage(savePath.c_str(), &image);
	}
}


// <20><> PNG ͼ<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>
void CrossImage(CImage &img)
{
	for (int i = 0; i < img.GetWidth(); i++)
	{
		for (int j = 0; j < img.GetHeight(); j++)
		{
			UCHAR *cr = (UCHAR*)img.GetPixelAddress(i, j);
			cr[0] = cr[0] * cr[3] / 255;
			cr[1] = cr[1] * cr[3] / 255;
			cr[2] = cr[2] * cr[3] / 255;
		}
	}
}