Updates from Chris Breeze

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Julian Smart
1998-05-28 19:54:07 +00:00
parent 151ccd11af
commit 6f65e33794
17 changed files with 572 additions and 142 deletions

View File

@@ -108,6 +108,8 @@ wxDC::wxDC(void)
m_logicalScaleY = 1.0;
m_userScaleX = 1.0;
m_userScaleY = 1.0;
m_signX = 1;
m_signY = 1;
m_systemScaleX = 1.0;
m_systemScaleY = 1.0;
m_mappingMode = MM_TEXT;
@@ -574,11 +576,6 @@ void wxDC::DrawArc(long x1,long y1,long x2,long y2,double xc,double yc)
CalcBoundingBox((xc+radius), (yc+radius));
}
void wxDC::DrawEllipticArc(long WXUNUSED(x),long WXUNUSED(y),long WXUNUSED(w),long WXUNUSED(h),double WXUNUSED(sa),double WXUNUSED(ea))
{
// Not implemented
}
void wxDC::DrawPoint(long x, long y)
{
// BUGBUG - is this necessary?
@@ -824,6 +821,51 @@ void wxDC::DrawEllipse(long x, long y, long width, long height)
CalcBoundingBox(x2, y2);
}
// Chris Breeze 20/5/98: first implementation of DrawEllipticArc on Windows
void wxDC::DrawEllipticArc(long x,long y,long w,long h,double sa,double ea)
{
// BUGBUG - is this necessary?
if (m_pen.Ok() && m_autoSetting)
SetPen(m_pen) ;
long x2 = (x+w);
long y2 = (y+h);
BeginDrawing();
const double deg2rad = 3.14159265359 / 180.0;
int rx1 = XLOG2DEV(x+w/2);
int ry1 = YLOG2DEV(y+h/2);
int rx2 = rx1;
int ry2 = ry1;
rx1 += (int)(100.0 * abs(w) * cos(sa * deg2rad));
ry1 -= (int)(100.0 * abs(h) * m_signY * sin(sa * deg2rad));
rx2 += (int)(100.0 * abs(w) * cos(ea * deg2rad));
ry2 -= (int)(100.0 * abs(h) * m_signY * sin(ea * deg2rad));
// draw pie with NULL_PEN first and then outline otherwise a line is
// drawn from the start and end points to the centre
HPEN orig_pen = ::SelectObject((HDC) m_hDC, ::GetStockObject(NULL_PEN));
if (m_signY > 0)
{
(void)Pie((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2)+1, YLOG2DEV(y2)+1,
rx1, ry1, rx2, ry2);
}
else
{
(void)Pie((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y)-1, XLOG2DEV(x2)+1, YLOG2DEV(y2),
rx1, ry1-1, rx2, ry2-1);
}
::SelectObject((HDC) m_hDC, orig_pen);
(void)Arc((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2),
rx1, ry1, rx2, ry2);
EndDrawing();
CalcBoundingBox(x, y);
CalcBoundingBox(x2, y2);
}
void wxDC::DrawIcon(const wxIcon& icon, long x, long y)
{
/*
@@ -1260,6 +1302,14 @@ void wxDC::SetUserScale(double x, double y)
SetMapMode(m_mappingMode);
}
void wxDC::SetAxisOrientation(bool xLeftRight, bool yBottomUp)
{
m_signX = xLeftRight ? 1 : -1;
m_signY = yBottomUp ? -1 : 1;
SetMapMode(m_mappingMode);
}
void wxDC::SetSystemScale(double x, double y)
{
m_systemScaleX = x;
@@ -1294,42 +1344,42 @@ void wxDC::SetDeviceOrigin(long x, long y)
long wxDC::DeviceToLogicalX(long x) const
{
return (long) (((x) - m_deviceOriginX)/(m_logicalScaleX*m_userScaleX*m_systemScaleX) - m_logicalOriginX) ;
return (long) (((x) - m_deviceOriginX)/(m_logicalScaleX*m_userScaleX*m_signX*m_systemScaleX) - m_logicalOriginX) ;
}
long wxDC::DeviceToLogicalXRel(long x) const
{
return (long) ((x)/(m_logicalScaleX*m_userScaleX*m_systemScaleX)) ;
return (long) ((x)/(m_logicalScaleX*m_userScaleX*m_signX*m_systemScaleX)) ;
}
long wxDC::DeviceToLogicalY(long y) const
{
return (long) (((y) - m_deviceOriginY)/(m_logicalScaleY*m_userScaleY*m_systemScaleY) - m_logicalOriginY) ;
return (long) (((y) - m_deviceOriginY)/(m_logicalScaleY*m_userScaleY*m_signY*m_systemScaleY) - m_logicalOriginY) ;
}
long wxDC::DeviceToLogicalYRel(long y) const
{
return (long) ((y)/(m_logicalScaleY*m_userScaleY*m_systemScaleY)) ;
return (long) ((y)/(m_logicalScaleY*m_userScaleY*m_signY*m_systemScaleY)) ;
}
long wxDC::LogicalToDeviceX(long x) const
{
return (long) (floor((x) - m_logicalOriginX)*m_logicalScaleX*m_userScaleX*m_systemScaleX + m_deviceOriginX) ;
return (long) (floor((x) - m_logicalOriginX)*m_logicalScaleX*m_userScaleX*m_signX*m_systemScaleX + m_deviceOriginX) ;
}
long wxDC::LogicalToDeviceXRel(long x) const
{
return (long) (floor(x)*m_logicalScaleX*m_userScaleX*m_systemScaleX) ;
return (long) (floor(x)*m_logicalScaleX*m_userScaleX*m_signX*m_systemScaleX) ;
}
long wxDC::LogicalToDeviceY(long y) const
{
return (long) (floor((y) - m_logicalOriginY)*m_logicalScaleY*m_userScaleY*m_systemScaleY + m_deviceOriginY);
return (long) (floor((y) - m_logicalOriginY)*m_logicalScaleY*m_userScaleY*m_signY*m_systemScaleY + m_deviceOriginY);
}
long wxDC::LogicalToDeviceYRel(long y) const
{
return (long) (floor(y)*m_logicalScaleY*m_userScaleY*m_systemScaleY) ;
return (long) (floor(y)*m_logicalScaleY*m_userScaleY*m_signY*m_systemScaleY) ;
}
// This group of functions may not do any conversion
@@ -1395,6 +1445,19 @@ bool wxDC::Blit(long xdest, long ydest, long width, long height,
long xsrc1 = xsrc;
long ysrc1 = ysrc;
// Chris Breeze 18/5/98: use text foreground/background colours
// when blitting from 1-bit bitmaps
COLORREF old_textground = ::GetTextColor((HDC)m_hDC);
COLORREF old_background = ::GetBkColor((HDC)m_hDC);
if (m_textForegroundColour.Ok())
{
::SetTextColor((HDC) m_hDC, m_textForegroundColour.GetPixel() ) ;
}
if (m_textBackgroundColour.Ok())
{
::SetBkColor((HDC) m_hDC, m_textBackgroundColour.GetPixel() ) ;
}
DWORD dwRop = rop == wxCOPY ? SRCCOPY :
rop == wxCLEAR ? WHITENESS :
rop == wxSET ? BLACKNESS :
@@ -1483,6 +1546,8 @@ bool wxDC::Blit(long xdest, long ydest, long width, long height,
success = (BitBlt((HDC) m_hDC, xdest1, ydest1, (int)width, (int)height, (HDC) source->m_hDC,
xsrc1, ysrc1, dwRop) != 0);
}
::SetTextColor((HDC)m_hDC, old_textground);
::SetBkColor((HDC)m_hDC, old_background);
source->EndDrawing();
EndDrawing();