void CMagneticView::OnDraw(CDC* pDrawDC)
{
CMagneticApp* pApp = (CMagneticApp*)AfxGetApp();
// Don't draw anything if there isn't a loaded game
if (pApp->GetGameLoaded() == 0)
return;
CDC BitmapDC;
BitmapDC.CreateCompatibleDC(pDrawDC);
CRect Client;
GetClientRect(Client);
CBitmap Bitmap;
CSize Size(Client.Width(),Client.Height());
Bitmap.CreateCompatibleBitmap(pDrawDC,Size.cx,Size.cy);
CBitmap* pOldBitmap = BitmapDC.SelectObject(&Bitmap);
// Set up the font
CFont* pOldFont = NULL;
TEXTMETRIC FontInfo;
pOldFont = BitmapDC.SelectObject(m_pTextFont);
BitmapDC.GetTextMetrics(&FontInfo);
int iFontHeight = (int)(FontInfo.tmHeight*1.1);
int iPicWidth = 0;
int iPicHeight = 0;
CRect TextClient(Client);
CSize Margins(GetMargins());
if (m_bStatusBar)
{
TextClient.top += iFontHeight;
// Display the status line
LONG lStatSpace = (LONG)(Client.Width()*0.075);
SolidRect(&BitmapDC,CRect(Client.left,0,Client.right,iFontHeight),
pApp->GetForeColour());
BitmapDC.SetTextColor(pApp->GetBackColour());
BitmapDC.SetBkColor(pApp->GetForeColour());
BitmapDC.TextOut(lStatSpace,0,m_strStatLocation,m_strStatLocation.GetLength());
BitmapDC.TextOut(lStatSpace*10,0,m_strStatScore,m_strStatScore.GetLength());
}
// If the picture is to be drawn in the main window, leave enough
// space and draw both background and picture
if (pApp->GetShowGraphics() == CMagneticApp::ShowGraphics::MainWindow)
{
int dpi = DPI::getWindowDPI(this);
iPicWidth = m_Picture.GetScaledWidth(dpi);
iPicHeight = m_Picture.GetScaledHeight(dpi);
if (iPicWidth > 0 && iPicHeight > 0)
{
TextClient.top += iPicHeight;
int iOffset = m_bStatusBar ? iFontHeight : 0;
BitmapDC.FillSolidRect(Client.left,Client.top+iOffset,Client.Width(),
iPicHeight,pApp->GetGfxColour());
CRect PicArea((Client.Width()-iPicWidth)/2,iOffset,
(Client.Width()+iPicWidth)/2,iOffset+iPicHeight);
m_Picture.Paint(&BitmapDC,PicArea,m_AnimFrames);
}
}
BitmapDC.FillSolidRect(TextClient,pApp->GetBackColour());
int y = TextClient.top;
// Repaginate if necessary
TrimOutput();
if (m_PageTable.GetSize() == 0)
{
Paginate(&BitmapDC,0,0);
if (m_bMorePrompt)
m_PageTable.RemoveAt(m_PageTable.GetSize()-1);
}
LPCSTR lpszOutput = m_strOutput;
BitmapDC.SetTextColor(pApp->GetForeColour());
BitmapDC.SetBkColor(pApp->GetBackColour());
// Work out the number of lines of text to draw
m_iMaxLines = (TextClient.Height()-(2*Margins.cy)) / iFontHeight;
y += Margins.cy;
// Starting position in the text output buffer
int i = m_PageTable.GetSize() - m_iMaxLines - 1;
// Adjust for a More... prompt
int offset = 0;
if (m_bMorePrompt)
{
if (iPicWidth > 0 && iPicHeight > 0)
{
if (m_iLines > m_iMaxLines)
{
if (m_iLines - m_iMaxLines - 1 > 0)
{
offset = m_iLines - m_iMaxLines - 1;
i -= offset;
}
}
}
}
if (i < 0)
i = 0;
// Draw the text
int iCount = 0;
while (i < m_PageTable.GetSize()-1-offset)
{
iCount = m_PageTable[i+1]-m_PageTable[i]-1;
if (iCount > 0)
{
if (*(lpszOutput+m_PageTable[i]+iCount-1) == '\0')
iCount--;
}
BitmapDC.TextOut(Margins.cx,y,lpszOutput+m_PageTable[i],iCount);
y += iFontHeight;
i++;
}
// Store information on the last line for updating later
CRect LastLine(0,y-iFontHeight,TextClient.Width(),y);
m_LastLineRect = LastLine;
// Clear the end of the last line to allow input editing
if (i > 0)
{
CSize TextLen = BitmapDC.GetTextExtent(lpszOutput+m_PageTable[i-1],
m_PageTable[i]-m_PageTable[i-1]-1);
LastLine.left += TextLen.cx + Margins.cx;
SolidRect(&BitmapDC,LastLine,pApp->GetBackColour());
}
// Remove the font
BitmapDC.SelectObject(pOldFont);
pDrawDC->BitBlt(0,0,Size.cx,Size.cy,&BitmapDC,0,0,SRCCOPY);
BitmapDC.SelectObject(pOldBitmap);
}
void PrevLine() { if ( !m_yCaret-- ) LastLine(); }
