void CPreviewDC::MirrorFont()
/***************************/
{
if( m_hPrinterFont == NULL ) {
SelectStockObject( DEVICE_DEFAULT_FONT );
// SelectStockObject() calls MirrorFont(), so there's no need to do anything
// else here.
} else {
LOGFONT lf;
TEXTMETRIC tm;
::GetObject( m_hPrinterFont, sizeof( LOGFONT ), &lf );
::GetTextFace( m_hAttribDC, LF_FACESIZE, lf.lfFaceName );
::GetTextMetrics( m_hAttribDC, &tm );
lf.lfHeight = tm.tmHeight;
lf.lfWidth = tm.tmAveCharWidth;
lf.lfWeight = tm.tmWeight;
lf.lfItalic = tm.tmItalic;
lf.lfUnderline = tm.tmUnderlined;
lf.lfStrikeOut = tm.tmStruckOut;
lf.lfCharSet = tm.tmCharSet;
lf.lfPitchAndFamily = tm.tmPitchAndFamily;
HFONT hFont = ::CreateFontIndirect( &lf );
::SelectObject( m_hDC, hFont );
if( m_hFont != NULL ) {
::DeleteObject( m_hFont );
}
m_hFont = hFont;
}
}
PaintCanvas::~PaintCanvas()
{
/* Select stock objects into the DC, to unreference the custom
brushes and pens. Older Windows CE versions (specifically
PPC2000/2002) are known to be leaky when the DC is not cleaned
up. We don't need to change the bitmap selection, because a
PaintCanvas should never have a selected bitmap. */
SelectWhiteBrush();
SelectBlackPen();
SelectStockObject(SYSTEM_FONT);
window.EndPaint(&ps);
}
//////////////////////////////////////////////////////////
// TMapDC
// ------
//
void
TMapDC::Init (TEditorClient *_pEditor)
{
#ifdef USE_PEN_CACHE
if ( LastPens == NULL ) InitCacheData();
#endif
// Pointer to editor client window
pEditor = _pEditor;
DoDelete = FALSE;
CurPenColor = -1;
CurPenWidth = 0;
CurPenStyle = 0;
hOldPen = 0;
// Don't fill figures
SelectStockObject (NULL_BRUSH);
// Setup clipping region and Window and DC origins
// SetupClipping();
SetupOrg();
}
void SelectBlackBrush() {
SelectStockObject(BLACK_BRUSH);
}
void SelectWhiteBrush() {
SelectStockObject(WHITE_BRUSH);
}
void SelectHollowBrush() {
SelectStockObject(HOLLOW_BRUSH);
}
void SelectBlackPen() {
SelectStockObject(BLACK_PEN);
}
void SelectWhitePen() {
SelectStockObject(WHITE_PEN);
}
void SelectNullPen() {
SelectStockObject(NULL_PEN);
}
void CPreviewDC::MirrorFont()
{
if (m_hAttribDC == NULL)
return; // Can't do anything without Attrib DC
if (m_hPrinterFont == NULL)
{
SelectStockObject(DEVICE_DEFAULT_FONT); // will recurse
return;
}
if (m_hDC == NULL)
return; // can't mirror font without a screen DC
LOGFONT logFont;
// Fill the logFont structure with the original info
::GetObject(m_hPrinterFont, sizeof(LOGFONT), (LPVOID)&logFont);
TEXTMETRIC tm;
GetTextFace(LF_FACESIZE, (LPTSTR)&logFont.lfFaceName[0]);
GetTextMetrics(&tm);
// Set real values based on the Printer's text metrics.
if (tm.tmHeight < 0)
logFont.lfHeight = tm.tmHeight;
else
logFont.lfHeight = -(tm.tmHeight - tm.tmInternalLeading);
logFont.lfWidth = 0;
logFont.lfWeight = tm.tmWeight;
logFont.lfItalic = tm.tmItalic;
logFont.lfUnderline = tm.tmUnderlined;
logFont.lfStrikeOut = tm.tmStruckOut;
logFont.lfCharSet = tm.tmCharSet;
logFont.lfPitchAndFamily = tm.tmPitchAndFamily;
HFONT hNewFont = ::CreateFontIndirect(&logFont);
::SelectObject(m_hDC, hNewFont);
::GetTextMetrics(m_hDC, &tm);
// Is the displayed font too large?
int cyDesired = -logFont.lfHeight;
int cyActual;
if (tm.tmHeight < 0)
cyActual = -tm.tmHeight;
else
cyActual = tm.tmHeight - tm.tmInternalLeading;
CSize sizeWinExt;
VERIFY(::GetWindowExtEx(m_hDC, &sizeWinExt));
CSize sizeVpExt;
VERIFY(::GetViewportExtEx(m_hDC, &sizeVpExt));
// Only interested in Extent Magnitudes, not direction
if (sizeWinExt.cy < 0)
sizeWinExt.cy = -sizeWinExt.cy;
if (sizeVpExt.cy < 0)
sizeVpExt.cy = -sizeVpExt.cy;
// Convert to screen device coordinates to eliminate rounding
// errors as a source of SmallFont aliasing
cyDesired = MulDiv(cyDesired, sizeVpExt.cy, sizeWinExt.cy);
cyActual = MulDiv(cyActual, sizeVpExt.cy, sizeWinExt.cy);
ASSERT(cyDesired >= 0 && cyActual >= 0);
if (cyDesired < cyActual)
{
logFont.lfFaceName[0] = 0; // let the mapper find a good fit
if ((logFont.lfPitchAndFamily & 0xf0) == FF_DECORATIVE)
logFont.lfPitchAndFamily = DEFAULT_PITCH | FF_DECORATIVE;
else
logFont.lfPitchAndFamily = DEFAULT_PITCH | FF_DONTCARE;
HFONT hTempFont = ::CreateFontIndirect(&logFont);
::SelectObject(m_hDC, hTempFont); // Select it in.
::DeleteObject(hNewFont);
hNewFont = hTempFont;
}
AfxDeleteObject((HGDIOBJ*)&m_hFont); // delete the old logical font
m_hFont = hNewFont; // save the new one
#ifdef _MAC
VERIFY(::GetCharWidth(m_hDC, 0, 255, m_aCharWidthsDraw));
VERIFY(::GetCharWidth(m_hAttribDC, 0, 255, m_aCharWidthsAttrib));
#endif
}
