static PyObject *Drag_ZoomRects(PyObject *_self, PyObject *_args)
{
PyObject *_res = NULL;
OSErr _err;
Rect fromRect;
Rect toRect;
SInt16 zoomSteps;
ZoomAcceleration acceleration;
#ifndef ZoomRects
PyMac_PRECHECK(ZoomRects);
#endif
if (!PyArg_ParseTuple(_args, "O&O&hh",
PyMac_GetRect, &fromRect,
PyMac_GetRect, &toRect,
&zoomSteps,
&acceleration))
return NULL;
_err = ZoomRects(&fromRect,
&toRect,
zoomSteps,
acceleration);
if (_err != noErr) return PyMac_Error(_err);
Py_INCREF(Py_None);
_res = Py_None;
return _res;
}
void ZoomRect (Rect *smallrect, Rect *bigrect, Boolean zoomup)
{
#if USE_DRAG_MANAGER_FOR_ZOOMS
if (gZoomOn)
{
if (zoomup)
ZoomRects(smallrect,bigrect,10,kZoomNoAcceleration);
else
ZoomRects(bigrect,smallrect,10,kZoomNoAcceleration);
}
#else
Fixed factor;
Rect rect1, rect2, rect3, rect4;
GrafPtr savePort, deskPort;
int i;
long tm;
if (gZoomOn)
{
GetPort (&savePort);
OpenPort (deskPort = (GrafPtr) NewPtr (sizeof (GrafPort)));
InitPort (deskPort);
SetPort (deskPort);
PenPat (&qd.gray); //¥ Original, comment for black zoom.
// PenPat (&qd.black); //¥ Uncomment for black zoom.
PenMode (notPatXor); //¥ Original, comment for black zoom.
// PenMode (patXor); //¥ Uncomment for black zoom.
if (zoomup)
{
rect1 = *smallrect;
factor = FixRatio (6, 5);
fract = FixRatio (541, 10000);
}
else
{
rect1 = *bigrect;
factor = FixRatio (5, 6);
fract = ONE;
}
rect2 = rect1;
rect3 = rect1;
FrameRect (&rect1);
for (i = 1; i <= ZOOMSTEPS; i++)
{
rect4.left = Blend (smallrect->left, bigrect->left);
rect4.right = Blend (smallrect->right, bigrect->right);
rect4.top = Blend (smallrect->top, bigrect->top);
rect4.bottom = Blend (smallrect->bottom, bigrect->bottom);
FrameRect (&rect4);
FrameRect (&rect1);
rect1 = rect2;
rect2 = rect3;
rect3 = rect4;
fract = FixMul (fract, factor);
tm = TickCount (); // These two lines are a crude waitvbl
while (tm == TickCount ());
}
FrameRect (&rect1);
FrameRect (&rect2);
FrameRect (&rect3);
ClosePort (deskPort);
DisposePtr ((Ptr) deskPort);
PenNormal ();
SetPort (savePort);
}
#endif
}