virtual int OnDraw(HDC hDC, const RECT * rcPaint)
{
int i;
double scale;
switch ( m_option )
{
case IDM_VIEW_SMALL:
scale = 32 * m_tt.GetScale();
for (i=0; i<256; i++)
m_tt.DrawTTGlyph(hDC, 20+(i%16)*42, 40+(i/16)*42, m_Start+i, scale, 0);
break;
case IDM_VIEW_MEDIUM:
scale = 96 * m_tt.GetScale();
for (i=0; i<70; i++)
m_tt.DrawTTGlyph(hDC, 50+(i%10)*96, 80+(i/10)*96, m_Start+i, scale, 0);
break;
case IDM_VIEW_LARGE:
case IDM_VIEW_LARGEPOINT:
case IDM_VIEW_METRICS:
scale = 384 * m_tt.GetScale();
m_tt.DrawTTGlyph(hDC, 200, 500, m_Start, scale, m_option);
break;
case IDM_VIEW_COMPARE:
// compare simple rasterization with TrueType font engine
scale = 32 * m_tt.GetScale(); // 32 point
m_tt.DrawTTGlyph(hDC, 20, 40, 36, scale, false); // ABC
m_tt.DrawTTGlyph(hDC, 20+26, 40, 37, scale, false); // ABC
m_tt.DrawTTGlyph(hDC, 20+49, 40, 38, scale, false); // ABC
ZoomRect(hDC, 18, 17, 92, 17+25, 100, 10, 4);
{
HFONT hFont = CreateFont(- 36 /** GetDeviceCaps(hDC, LOGPIXELSY) / 72*/,
0, 0, 0, FW_REGULAR, FALSE, FALSE, FALSE,
ANSI_CHARSET, OUT_TT_PRECIS, CLIP_DEFAULT_PRECIS,
PROOF_QUALITY, VARIABLE_PITCH, "Times New Roman");
HGDIOBJ hOld = SelectObject(hDC, hFont);
TextOut(hDC, 20, 145,"ABC", 3);
SelectObject(hDC, hOld);
DeleteObject(hFont);
}
ZoomRect(hDC, 18, 145+7, 92, 145+7+26, 100, 150, 4);
scale = 32 * 5 * m_tt.GetScale();
m_tt.DrawTTGlyph(hDC, 500, 180, 36, scale, false); // ABCD
m_tt.DrawTTGlyph(hDC, 500+24*5, 180, 37, scale, false); // ABCD
m_tt.DrawTTGlyph(hDC, 500+45*5, 180, 38, scale, false); // ABCD
}
return View_NoChange;
}
void GetRect(Rect *zoomFrom, Rect *zoomTo)
{
static short numRects = 0;
Rect theRect,drawRect;
Point firstPt,curPt,oldPt;
RgnHandle rgnHandle = NewRgn();
GrafPtr oldPort;
GetPort(&oldPort);
SetPort(GetWindowPort(gWindow));
PenMode(patXor);
GetMouse(&firstPt);
oldPt = firstPt;
SetRect(&theRect,firstPt.h,firstPt.v,firstPt.h,firstPt.v);
while (Button()) {
GetMouse(&curPt);
if (!EqualPt(curPt,oldPt)) {
FixRect(&theRect,&drawRect);
FrameRect(&drawRect);
oldPt = curPt;
theRect.right = curPt.h;
theRect.bottom = curPt.v;
FixRect(&theRect,&drawRect);
FrameRect(&drawRect);
QDFlushPortBuffer(GetWindowPort(gWindow), GetPortVisibleRegion(GetWindowPort(gWindow), rgnHandle));
}
}
FixRect(&theRect,&drawRect);
if (numRects==0)
*zoomFrom = drawRect;
else
*zoomTo = drawRect;
numRects++;
QDFlushPortBuffer(GetWindowPort(gWindow), GetPortVisibleRegion(GetWindowPort(gWindow), rgnHandle));
if (numRects >= 2) {
ZoomRect(kZoomLarger, zoomFrom, zoomTo);
numRects = 0;
}
PenNormal();
DisposeRgn(rgnHandle);
SetPort(oldPort);
}
