init

src/EterLib/DibBar.cpp

@@ -0,0 +1,163 @@
+#include "StdAfx.h"
+#include "DibBar.h"
+#include "BlockTexture.h"
+
+void CDibBar::Invalidate()
+{
+	RECT rect = { static_cast<long>(0), static_cast<long>(0), static_cast<long>(m_dwWidth), static_cast<long>(m_dwHeight)};
+
+	std::vector<CBlockTexture *>::iterator itor = m_kVec_pkBlockTexture.begin();
+	for (; itor != m_kVec_pkBlockTexture.end(); ++itor)
+	{
+		CBlockTexture * pTexture = *itor;
+		pTexture->InvalidateRect(rect);
+	}
+}
+
+void CDibBar::SetClipRect(const RECT & c_rRect)
+{
+	std::vector<CBlockTexture *>::iterator itor = m_kVec_pkBlockTexture.begin();
+	for (; itor != m_kVec_pkBlockTexture.end(); ++itor)
+	{
+		CBlockTexture * pTexture = *itor;
+		assert(pTexture);
+		if (!pTexture)
+			continue;
+		pTexture->SetClipRect(c_rRect);
+	}
+}
+
+void CDibBar::ClearBar()
+{
+	DWORD  * pdwBuf = (DWORD *)m_dib.GetPointer();
+	memset(pdwBuf, 0, m_dib.GetWidth()*m_dib.GetHeight()*4);
+	Invalidate();
+}
+
+void CDibBar::Render(int ix, int iy)
+{
+	std::vector<CBlockTexture *>::iterator itor = m_kVec_pkBlockTexture.begin();
+	for (; itor != m_kVec_pkBlockTexture.end(); ++itor)
+	{
+		CBlockTexture * pTexture = *itor;
+		pTexture->Render(ix, iy);
+	}
+}
+
+DWORD CDibBar::__NearTextureSize(DWORD dwSize)
+{
+	if ((dwSize & (dwSize-1)) == 0)
+		return dwSize;
+
+	DWORD dwRet = 2;
+	while (dwRet < dwSize)
+	{
+		dwRet <<= 1;
+	}
+
+	return dwRet;
+}
+
+void CDibBar::__DivideTextureSize(DWORD dwSize, DWORD dwMax, DWORD * pdwxStep, DWORD * pdwxCount, DWORD * pdwxRest)
+{
+	if (dwSize<dwMax)
+	{
+		*pdwxStep = dwMax;
+		*pdwxCount = 0;
+		*pdwxRest = dwSize%dwMax;
+		return;
+	}
+
+	*pdwxStep = dwMax;
+	*pdwxCount = dwSize/dwMax;
+	*pdwxRest = dwSize%dwMax;
+}
+
+CBlockTexture * CDibBar::__BuildTextureBlock(DWORD dwxPos, DWORD dwyPos, DWORD dwImageWidth, DWORD dwImageHeight, DWORD dwTextureWidth, DWORD dwTextureHeight)
+{
+	if (dwTextureWidth == 0 || dwTextureHeight == 0)
+		return NULL;
+
+	RECT posRect = { static_cast<long>(dwxPos), static_cast<long>(dwyPos), static_cast<long>(dwxPos+dwImageWidth), static_cast<long>(dwyPos+dwImageHeight)};
+
+	CBlockTexture * pBlockTexture = new CBlockTexture;
+	if (!pBlockTexture->Create(&m_dib, posRect, dwTextureWidth, dwTextureHeight))
+	{
+		delete pBlockTexture;
+		return NULL;
+	}
+
+	return pBlockTexture;
+}
+
+void CDibBar::__BuildTextureBlockList(DWORD dwWidth, DWORD dwHeight, DWORD dwMax)
+{
+	DWORD dwxStep, dwyStep;
+	DWORD dwxCount, dwyCount;
+	DWORD dwxRest, dwyRest;
+	__DivideTextureSize(dwWidth, dwMax, &dwxStep, &dwxCount, &dwxRest);
+	__DivideTextureSize(dwHeight, dwMax, &dwyStep, &dwyCount, &dwyRest);
+	DWORD dwxTexRest = __NearTextureSize(dwxRest);
+	DWORD dwyTexRest = __NearTextureSize(dwyRest);
+
+	for (DWORD y = 0; y < dwyCount; ++y)
+	{
+		for (DWORD x = 0; x < dwxCount; ++x)
+		{
+			CBlockTexture * pTexture = __BuildTextureBlock(x*dwxStep, y*dwyStep,
+														   dwxStep, dwyStep,
+														   dwMax, dwMax);
+			if (pTexture)
+				m_kVec_pkBlockTexture.push_back(pTexture);
+		}
+		
+		CBlockTexture * pTexture = __BuildTextureBlock(dwxCount*dwxStep, y*dwyStep,
+													   dwxRest, dwyStep,
+													   dwxTexRest, dwMax);
+
+		if (pTexture)
+			m_kVec_pkBlockTexture.push_back(pTexture);
+	}
+
+	for (DWORD x = 0; x < dwxCount; ++x)
+	{
+		CBlockTexture * pTexture = __BuildTextureBlock(x*dwxStep, dwyCount*dwyStep,
+													   dwxStep, dwyRest,
+													   dwMax, dwyTexRest);
+		if (pTexture)
+			m_kVec_pkBlockTexture.push_back(pTexture);
+	}
+
+	if (dwxRest > 0 && dwyRest > 0)
+	{
+		CBlockTexture * pTexture = __BuildTextureBlock(dwxCount*dwxStep, dwyCount*dwyStep,
+													   dwxRest, dwyRest,
+													   dwxTexRest, dwyTexRest);
+		if (pTexture)
+			m_kVec_pkBlockTexture.push_back(pTexture);
+	}
+}
+
+bool CDibBar::Create(HDC hdc, DWORD dwWidth, DWORD dwHeight)
+{
+	if (!m_dib.Create(hdc, dwWidth, dwHeight))
+	{
+		Tracef(" Failed to create CDibBar\n");
+		return false;
+	}
+
+	m_dwWidth = dwWidth;
+	m_dwHeight = dwHeight;
+
+	__BuildTextureBlockList(dwWidth, dwHeight);
+	OnCreate();
+
+	return true;
+}
+
+CDibBar::CDibBar()
+{
+}
+CDibBar::~CDibBar()
+{
+}