base

application/sp-console3/Common/GdStatic.cpp

@@ -0,0 +1,210 @@
+// GdStatic.cpp : implementation file
+//
+
+#include "stdafx.h"
+#include "GdStatic.h"
+
+#ifdef _DEBUG
+#define new DEBUG_NEW
+#undef THIS_FILE
+static char THIS_FILE[] = __FILE__;
+#endif
+
+/////////////////////////////////////////////////////////////////////////////
+// CGdStatic
+
+CGdStatic::CGdStatic()
+{
+	m_crText      = ::GetSysColor(COLOR_3DFACE);
+	m_nFontWeight = FW_NORMAL;
+	m_nFontSize   = 12;
+}
+
+CGdStatic::~CGdStatic()
+{
+	if (m_bitmap.GetSafeHandle())
+		m_bitmap.DeleteObject();
+
+	if (m_fontCaption.GetSafeHandle())
+		m_fontCaption.DeleteObject();
+
+	if (m_fontName.GetSafeHandle())
+		m_fontName.DeleteObject();
+}
+
+
+BEGIN_MESSAGE_MAP(CGdStatic, CStatic)
+	//{{AFX_MSG_MAP(CGdStatic)
+	ON_WM_PAINT()
+	ON_WM_ERASEBKGND()
+	ON_MESSAGE(WM_SETTEXT, OnSetText)
+	//}}AFX_MSG_MAP
+END_MESSAGE_MAP()
+
+/////////////////////////////////////////////////////////////////////////////
+// CGdStatic message handlers
+
+void CGdStatic::OnPaint() 
+{
+	CPaintDC dc(this); // device context for painting
+
+	CFont *pfontOld = NULL;
+
+	if (m_sFontName.GetLength() == 0) {
+		CWnd *pwndParent = GetParent();
+
+		if (pwndParent)
+			dc.SelectObject(pwndParent->GetFont());
+	}
+	else {
+		// create a font, if we need to
+		if (!m_fontCaption.GetSafeHandle()) {
+			m_fontCaption.CreateFont( m_nFontSize,
+				0, 0, 0, m_nFontWeight,
+				0, 0, 0, DEFAULT_CHARSET,
+				OUT_DEFAULT_PRECIS,
+				CLIP_DEFAULT_PRECIS,
+				DEFAULT_QUALITY,
+				FF_MODERN,
+				m_sFontName);
+		}
+
+		if (m_fontCaption.GetSafeHandle())
+			pfontOld = dc.SelectObject(&m_fontCaption);
+	}
+
+	// Draw text
+	CString sText;
+	GetWindowText(sText);
+
+	dc.SetTextColor(m_crText);
+	dc.SetBkMode(TRANSPARENT);
+
+	// vertical center
+	CRect rc;
+	GetClientRect(rc); 
+
+	rc.left += 5;
+	dc.DrawText(sText, rc, DT_SINGLELINE | DT_LEFT | DT_VCENTER);
+
+	if (pfontOld)
+		dc.SelectObject(pfontOld);
+}
+
+BOOL CGdStatic::OnEraseBkgnd(CDC* pDC) 
+{
+	if (!m_bitmap.GetSafeHandle())
+		MakeCaptionBitmap();
+
+	if (m_bitmap.GetSafeHandle()) {
+		CRect rc;
+		GetClientRect(rc);
+
+		CDC memDC;
+		memDC.CreateCompatibleDC(pDC);
+
+		CBitmap *pbitmap = memDC.SelectObject(&m_bitmap);
+
+		pDC->BitBlt(0, 0, rc.Width(), rc.Height(), &memDC, 0,0, SRCCOPY);
+
+		memDC.SelectObject(pbitmap);
+	}
+
+	return TRUE;
+}
+
+LRESULT CGdStatic::OnSetText(WPARAM wParam, LPARAM lParam)
+{
+	DefWindowProc(WM_SETTEXT, wParam, lParam);
+
+	Invalidate(TRUE);
+
+	return (TRUE);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// Helper to paint rectangle with a color.
+
+static void PaintRect(CDC& dc, int x, int y, int w, int h, COLORREF cr)
+{
+	CBrush  br(cr);
+	CBrush* pbrOld = dc.SelectObject(&br);
+
+	dc.PatBlt(x, y, w, h, PATCOPY);
+	dc.SelectObject(pbrOld);
+}
+
+void CGdStatic::MakeCaptionBitmap()
+{
+	if (m_bitmap.m_hObject)
+		return;								   // already have bitmap; return
+
+	CRect rc;
+	GetClientRect(rc);
+
+	int w = rc.Width();
+	int h = rc.Height();
+
+	// Create bitmap same size as caption area and select into memory DC
+	CWindowDC dcWin(this);
+	CDC dc;
+
+	dc.CreateCompatibleDC(&dcWin);
+	m_bitmap.DeleteObject();
+	m_bitmap.CreateCompatibleBitmap(&dcWin, w, h);
+	CBitmap* pbitmapOld = dc.SelectObject(&m_bitmap);
+
+	COLORREF crBG = ::GetSysColor(COLOR_3DFACE); // background color
+
+	int r = GetRValue(crBG);				// red..
+	int g = GetGValue(crBG);				// ..green
+	int b = GetBValue(crBG);				// ..blue color vals
+	int x = 8*rc.right/8;					// start 5/6 of the way right
+	int w1 = x - rc.left;					// width of area to shade
+
+	const int NCOLORSHADES = 128;	// this many shades in gradient
+
+	int xDelta = max(w / NCOLORSHADES , 1);	// width of one shade band
+
+	PaintRect(dc, x, 0, rc.right-x, h, crBG);
+
+	while (x > xDelta) {	// paint bands right to left
+		x -= xDelta;						// next band
+		int wmx2 = (w1-x)*(w1-x);			// w minus x squared
+		int w2  = w1*w1;					// w squared
+		PaintRect(dc, x, 0, xDelta, h, RGB(r-(r*wmx2)/w2, g-(g*wmx2)/w2, b-(b*wmx2)/w2));
+	}
+
+	PaintRect(dc,0,0,x,h,RGB(0,0,0));  // whatever's left ==> black
+
+	// draw the 'constant' text
+
+	// create a font, if we need to
+	if (m_fontName.GetSafeHandle()==NULL) {
+		m_fontName.CreateFont( 18, 0, 0, 0, FW_BOLD,
+			0, 0, 0, ANSI_CHARSET,
+			OUT_DEFAULT_PRECIS,
+			CLIP_DEFAULT_PRECIS,
+			DEFAULT_QUALITY,
+			FF_MODERN,
+			m_sFontName);	
+	}
+
+	CFont * pfontOld = dc.SelectObject(&m_fontName);
+
+	// back up a little
+	rc.right -= 5;
+
+	// draw text in DC
+	dc.SetBkMode(TRANSPARENT);
+	dc.SetTextColor(::GetSysColor( COLOR_3DHILIGHT));
+	dc.DrawText(m_sConstantText, rc + CPoint(1,1), DT_SINGLELINE | DT_RIGHT | DT_VCENTER);
+	dc.SetTextColor(::GetSysColor( COLOR_3DSHADOW));
+	dc.DrawText(m_sConstantText, rc, DT_SINGLELINE | DT_RIGHT | DT_VCENTER);
+
+	// restore old font
+	dc.SelectObject(pfontOld);
+
+	// Restore DC
+	dc.SelectObject(pbitmapOld);
+}