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0eaa1d68c29cd273971be9d60008045e470c2d46
wxWidgets/src/mac/dc.cpp
T
Stefan Csomor 0eaa1d68c2 changed port handling 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10057 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2001-05-08 16:08:09 +00:00

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/////////////////////////////////////////////////////////////////////////////
// Name: dc.cpp
// Purpose: wxDC class
// Author: AUTHOR
// Modified by:
// Created: 01/02/97
// RCS-ID: $Id$
// Copyright: (c) AUTHOR
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#pragma implementation "dc.h"
#endif
#include "wx/dc.h"
#include "wx/app.h"
#include "wx/mac/uma.h"
#if __MSL__ >= 0x6000
#include "math.h"
#endif
#if !USE_SHARED_LIBRARY
IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
#endif
//-----------------------------------------------------------------------------
// constants
//-----------------------------------------------------------------------------
#define mm2inches 0.0393700787402
#define inches2mm 25.4
#define mm2twips 56.6929133859
#define twips2mm 0.0176388888889
#define mm2pt 2.83464566929
#define pt2mm 0.352777777778
//-----------------------------------------------------------------------------
// wxDC
//-----------------------------------------------------------------------------
wxDC::wxDC()
{
m_ok = FALSE;
m_colour = TRUE;
m_mm_to_pix_x = mm2pt;
m_mm_to_pix_y = mm2pt;
m_internalDeviceOriginX = 0;
m_internalDeviceOriginY = 0;
m_externalDeviceOriginX = 0;
m_externalDeviceOriginY = 0;
m_logicalScaleX = 1.0;
m_logicalScaleY = 1.0;
m_userScaleX = 1.0;
m_userScaleY = 1.0;
m_scaleX = 1.0;
m_scaleY = 1.0;
m_needComputeScaleX = FALSE;
m_needComputeScaleY = FALSE;
m_maxX = m_maxY = -100000;
m_minY = m_minY = 100000;
m_macPort = NULL ;
m_macMask = NULL ;
m_ok = FALSE ;
m_macFontInstalled = false ;
m_macBrushInstalled = false ;
m_macPenInstalled = false ;
m_macLocalOrigin.h = m_macLocalOrigin.v = 0 ;
m_macClipRect.left = -32000 ;
m_macClipRect.top = -32000 ;
m_macClipRect.right = 32000 ;
m_macClipRect.bottom = 32000 ;
m_pen = *wxBLACK_PEN;
m_font = *wxNORMAL_FONT;
m_brush = *wxWHITE_BRUSH;
};
wxMacPortSetter::wxMacPortSetter( wxDC* dc ) :
m_ph( dc->m_macPort )
{
wxASSERT( dc->Ok() ) ;
dc->MacSetupPort(&m_ph) ;
}
wxMacPortSetter::~wxMacPortSetter()
{
}
wxDC::~wxDC(void)
{
};
void wxDC::MacSetupPort(AGAPortHelper* help) const
{
help->Setup( m_macPort ) ;
::SetOrigin(-m_macLocalOrigin.h, -m_macLocalOrigin.v);
::ClipRect(&m_macClipRect);
m_macFontInstalled = false ;
m_macBrushInstalled = false ;
m_macPenInstalled = false ;
}
void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
{
float scale = 1.0 ;
if (!Ok())
return;
wxMacPortSetter helper(this) ;
long xx1 = XLOG2DEV(x);
long yy1 = YLOG2DEV(y);
{
wxBitmapRefData * bmap = (wxBitmapRefData*) ( bmp.GetRefData()) ;
if ( bmap )
{
if ( bmap->m_bitmapType == kMacBitmapTypePict )
{
Rect bitmaprect = { 0 , 0 , int(bmap->m_height * scale) , int(bmap->m_width * scale)} ;
::OffsetRect( &bitmaprect , xx1 , yy1 ) ;
::DrawPicture( bmap->m_hPict , &bitmaprect ) ;
}
else if ( bmap->m_bitmapType == kMacBitmapTypeGrafWorld )
{
if ( bmap->m_hBitmap )
{
GWorldPtr bmapworld = bmap->m_hBitmap ;
PixMapHandle bmappixels ;
RGBColor white = { 0xFFFF, 0xFFFF,0xFFFF} ;
RGBColor black = { 0,0,0} ;
RGBForeColor( &black ) ;
RGBBackColor( &white ) ;
bmappixels = GetGWorldPixMap( bmapworld ) ;
if ( LockPixels(bmappixels) )
{
Rect source , dest ;
source.top = 0 ;
source.left = 0 ;
source.right = bmap->m_width ;
source.bottom = bmap->m_height ;
dest.top = YLOG2DEV(y) ;
dest.left = XLOG2DEV(x) ;
dest.bottom = YLOG2DEV(y + bmap->m_height * scale) ;
dest.right = XLOG2DEV(x + bmap->m_width * scale ) ;
if ( useMask && bmp.GetMask() )
{
if ( LockPixels( GetGWorldPixMap( bmp.GetMask()->GetMaskBitmap( ) ) ) )
{
CopyMask( GetPortBitMapForCopyBits( bmapworld ) , GetPortBitMapForCopyBits( bmp.GetMask()->GetMaskBitmap( ) ) ,
GetPortBitMapForCopyBits( m_macPort ) ,
&source, &source , &dest ) ;
UnlockPixels( GetGWorldPixMap( bmp.GetMask()->GetMaskBitmap( ) ) ) ;
}
}
else
CopyBits( GetPortBitMapForCopyBits( bmapworld ) , GetPortBitMapForCopyBits( m_macPort ),
&source, &dest, srcCopy, NULL ) ;
UnlockPixels( bmappixels ) ;
}
m_macPenInstalled = false ;
m_macBrushInstalled = false ;
m_macFontInstalled = false ;
}
}
}
}
}
void wxDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
{
if (!Ok())
return;
wxMacPortSetter helper(this) ;
long xx1 = XLOG2DEV(x);
long yy1 = YLOG2DEV(y);
{
wxIconRefData * iconref = (wxIconRefData*) ( icon.GetRefData()) ;
if ( iconref && iconref->m_ok && iconref->m_hIcon )
{
Rect bitmaprect = { 0 , 0 , iconref->m_height , iconref->m_width } ;
OffsetRect( &bitmaprect , xx1 , yy1 ) ;
PlotCIconHandle( &bitmaprect , atNone , ttNone , iconref->m_hIcon ) ;
}
}
};
void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
{
wxMacPortSetter helper(this) ;
if( m_clipping )
{
m_clipX1 = wxMax( m_clipX1 , x ) ;
m_clipY1 = wxMax( m_clipY1 ,y );
m_clipX2 = wxMin( m_clipX2, (x + width));
m_clipY2 = wxMin( m_clipY2,(y + height));
}
else
{
m_clipping = TRUE;
m_clipX1 = x;
m_clipY1 = y;
m_clipX2 = x + width;
m_clipY2 = y + height;
}
long x1 = XLOG2DEV(m_clipX1);
long y1 = YLOG2DEV(m_clipY1);
long x2 = XLOG2DEV(m_clipX2);
long y2 = YLOG2DEV(m_clipY2);
Rect clip = { y1 , x1 , y2 , x2 } ;
::ClipRect( &clip ) ;
};
void wxDC::DoSetClippingRegionAsRegion( const wxRegion &region )
{
wxCHECK_RET( Ok(), wxT("invalid window dc") );
wxMacPortSetter helper(this) ;
if (region.Empty())
{
DestroyClippingRegion();
return;
}
wxCoord xx, yy, ww, hh;
region.GetBox( xx, yy, ww, hh );
wxDC::DoSetClippingRegion( xx, yy, ww, hh );
}
void wxDC::DestroyClippingRegion(void)
{
wxMacPortSetter helper(this) ;
m_clipping = FALSE;
// Rect clip = { -32000 , -32000 , 32000 , 32000 } ;
::ClipRect(&m_macClipRect);
};
void wxDC::DoGetSize( int* width, int* height ) const
{
*width = m_maxX-m_minX;
*height = m_maxY-m_minY;
};
void wxDC::DoGetSizeMM( int* width, int* height ) const
{
int w = 0;
int h = 0;
GetSize( &w, &h );
*width = long( double(w) / (m_scaleX*m_mm_to_pix_x) );
*height = long( double(h) / (m_scaleY*m_mm_to_pix_y) );
};
void wxDC::SetTextForeground( const wxColour &col )
{
if (!Ok()) return;
m_textForegroundColour = col;
m_macFontInstalled = false ;
};
void wxDC::SetTextBackground( const wxColour &col )
{
if (!Ok()) return;
m_textBackgroundColour = col;
m_macFontInstalled = false ;
};
void wxDC::SetMapMode( int mode )
{
switch (mode)
{
case wxMM_TWIPS:
SetLogicalScale( twips2mm*m_mm_to_pix_x, twips2mm*m_mm_to_pix_y );
break;
case wxMM_POINTS:
SetLogicalScale( pt2mm*m_mm_to_pix_x, pt2mm*m_mm_to_pix_y );
break;
case wxMM_METRIC:
SetLogicalScale( m_mm_to_pix_x, m_mm_to_pix_y );
break;
case wxMM_LOMETRIC:
SetLogicalScale( m_mm_to_pix_x/10.0, m_mm_to_pix_y/10.0 );
break;
default:
case wxMM_TEXT:
SetLogicalScale( 1.0, 1.0 );
break;
};
if (mode != wxMM_TEXT)
{
m_needComputeScaleX = TRUE;
m_needComputeScaleY = TRUE;
};
};
void wxDC::SetUserScale( double x, double y )
{
// allow negative ? -> no
m_userScaleX = x;
m_userScaleY = y;
ComputeScaleAndOrigin();
};
void wxDC::SetLogicalScale( double x, double y )
{
// allow negative ?
m_logicalScaleX = x;
m_logicalScaleY = y;
ComputeScaleAndOrigin();
};
void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y )
{
m_logicalOriginX = x * m_signX; // is this still correct ?
m_logicalOriginY = y * m_signY;
ComputeScaleAndOrigin();
};
void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
{
m_externalDeviceOriginX = x;
m_externalDeviceOriginY = y;
ComputeScaleAndOrigin();
};
/*
void wxDC::SetInternalDeviceOrigin( long x, long y )
{
m_internalDeviceOriginX = x;
m_internalDeviceOriginY = y;
ComputeScaleAndOrigin();
};
void wxDC::GetInternalDeviceOrigin( long *x, long *y )
{
if (x) *x = m_internalDeviceOriginX;
if (y) *y = m_internalDeviceOriginY;
};
*/
void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
{
m_signX = (xLeftRight ? 1 : -1);
m_signY = (yBottomUp ? -1 : 1);
ComputeScaleAndOrigin();
};
/*
void wxDC::CalcBoundingBox( long x, long y )
{
if (x < m_minX) m_minX = x;
if (y < m_minY) m_minY = y;
if (x > m_maxX) m_maxX = x;
if (y > m_maxY) m_maxY = y;
};
*/
wxSize wxDC::GetPPI() const
{
return wxSize(72, 72);
}
int wxDC::GetDepth() const
{
return wxDisplayDepth() ;
}
void wxDC::ComputeScaleAndOrigin(void)
{
// CMB: copy scale to see if it changes
double origScaleX = m_scaleX;
double origScaleY = m_scaleY;
m_scaleX = m_logicalScaleX * m_userScaleX;
m_scaleY = m_logicalScaleY * m_userScaleY;
m_deviceOriginX = m_internalDeviceOriginX + m_externalDeviceOriginX;
m_deviceOriginY = m_internalDeviceOriginY + m_externalDeviceOriginY;
// CMB: if scale has changed call SetPen to recalulate the line width
if (m_scaleX != origScaleX || m_scaleY != origScaleY)
{
// this is a bit artificial, but we need to force wxDC to think
// the pen has changed
wxPen* pen = & GetPen();
wxPen tempPen;
m_pen = tempPen;
SetPen(* pen);
}
};
void wxDC::SetPalette( const wxPalette& palette )
{
}
void wxDC::SetBackgroundMode( int mode )
{
m_backgroundMode = mode ;
}
void wxDC::SetFont( const wxFont &font )
{
if (!Ok())
return;
// wxMacPortSetter helper(this) ;
m_font = font;
m_macFontInstalled = false ;
}
void wxDC::SetPen( const wxPen &pen )
{
if (!Ok() )
return;
// wxMacPortSetter helper(this) ;
if ( m_pen == pen )
return ;
m_pen = pen;
/*
if (!m_pen.Ok())
return;
*/
m_macPenInstalled = false ;
}
void wxDC::SetBrush( const wxBrush &brush )
{
if (!Ok() )
return;
// wxMacPortSetter helper(this) ;
if (m_brush == brush)
return;
m_brush = brush;
m_macBrushInstalled = false ;
}
void wxDC::SetBackground( const wxBrush &brush )
{
if (!Ok())
return;
// wxMacPortSetter helper(this) ;
if (m_backgroundBrush == brush)
return;
m_backgroundBrush = brush;
if (!m_backgroundBrush.Ok())
return;
m_macBrushInstalled = false ;
}
void wxDC::SetLogicalFunction( int function )
{
if (m_logicalFunction == function)
return;
m_logicalFunction = function ;
m_macFontInstalled = false ;
m_macBrushInstalled = false ;
m_macPenInstalled = false ;
}
void wxDC::DoFloodFill( wxCoord x, wxCoord y, const wxColour& col,
int style )
{
}
bool wxDC::DoGetPixel( wxCoord x, wxCoord y, wxColour *col ) const
{
return true ;
}
void wxDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
{
if (!Ok())
return;
wxMacPortSetter helper(this) ;
if (m_pen.GetStyle() != wxTRANSPARENT)
{
MacInstallPen() ;
int offset = ( (m_pen.GetWidth() == 0 ? 1 : m_pen.GetWidth() ) * m_scaleX - 1) / 2 ;
long xx1 = XLOG2DEV(x1);
long yy1 = YLOG2DEV(y1);
long xx2 = XLOG2DEV(x2);
long yy2 = YLOG2DEV(y2);
::MoveTo(xx1 - offset ,yy1 - offset);
::LineTo(xx2 - offset , yy2 - offset );
};
}
void wxDC::DoCrossHair( wxCoord x, wxCoord y )
{
}
void wxDC::DoDrawArc( wxCoord x1, wxCoord y1,
wxCoord x2, wxCoord y2,
wxCoord xc, wxCoord yc )
{
}
void wxDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord w, wxCoord h,
double sa, double ea )
{
}
void wxDC::DoDrawPoint( wxCoord x, wxCoord y )
{
if (!Ok())
return;
wxMacPortSetter helper(this) ;
if (m_pen.GetStyle() != wxTRANSPARENT)
{
MacInstallPen() ;
long xx1 = XLOG2DEV(x);
long yy1 = YLOG2DEV(y);
::MoveTo(xx1,yy1);
::LineTo(xx1+1, yy1+1);
};
}
void wxDC::DoDrawLines(int n, wxPoint points[],
wxCoord xoffset, wxCoord yoffset)
{
if (!Ok())
return;
wxMacPortSetter helper(this) ;
if (m_pen.GetStyle() == wxTRANSPARENT)
return;
MacInstallPen() ;
int offset = (m_pen.GetWidth() - 1 ) / 2 ;
long x1, x2 , y1 , y2 ;
x1 = XLOG2DEV(points[0].x + xoffset);
y1 = YLOG2DEV(points[0].y + yoffset);
::MoveTo(x1 - offset ,y1 - offset );
for (int i = 0; i < n-1; i++)
{
x2 = XLOG2DEV(points[i+1].x + xoffset);
y2 = YLOG2DEV(points[i+1].y + yoffset);
::LineTo(x2 - offset , y2 - offset );
}
}
void wxDC::DoDrawPolygon(int n, wxPoint points[],
wxCoord xoffset, wxCoord yoffset,
int fillStyle )
{
if (!Ok())
return;
wxMacPortSetter helper(this) ;
PolyHandle polygon = OpenPoly() ;
long x1, x2 , y1 , y2 ;
x1 = XLOG2DEV(points[0].x + xoffset);
y1 = YLOG2DEV(points[0].y + yoffset);
::MoveTo(x1,y1);
for (int i = 0; i < n-1; i++)
{
x2 = XLOG2DEV(points[i+1].x + xoffset);
y2 = YLOG2DEV(points[i+1].y + yoffset);
::LineTo(x2, y2);
}
ClosePoly() ;
if (m_brush.GetStyle() != wxTRANSPARENT)
{
MacInstallBrush() ;
::PaintPoly( polygon ) ;
};
if (m_pen.GetStyle() != wxTRANSPARENT)
{
MacInstallPen() ;
::FramePoly( polygon ) ;
};
KillPoly( polygon ) ;
}
void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
{
if (!Ok())
return;
wxMacPortSetter helper(this) ;
long xx = XLOG2DEV(x);
long yy = YLOG2DEV(y);
long ww = m_signX * XLOG2DEVREL(width);
long hh = m_signY * YLOG2DEVREL(height);
// CMB: draw nothing if transformed w or h is 0
if (ww == 0 || hh == 0)
return;
// CMB: handle -ve width and/or height
if (ww < 0)
{
ww = -ww;
xx = xx - ww;
}
if (hh < 0)
{
hh = -hh;
yy = yy - hh;
}
Rect rect = { yy , xx , yy + hh , xx + ww } ;
if (m_brush.GetStyle() != wxTRANSPARENT)
{
MacInstallBrush() ;
::PaintRect( &rect ) ;
};
if (m_pen.GetStyle() != wxTRANSPARENT)
{
MacInstallPen() ;
::FrameRect( &rect ) ;
};
}
void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y,
wxCoord width, wxCoord height,
double radius)
{
if (!Ok())
return;
wxMacPortSetter helper(this) ;
if (radius < 0.0)
radius = - radius * ((width < height) ? width : height);
long xx = XLOG2DEV(x);
long yy = YLOG2DEV(y);
long ww = m_signX * XLOG2DEVREL(width);
long hh = m_signY * YLOG2DEVREL(height);
// CMB: draw nothing if transformed w or h is 0
if (ww == 0 || hh == 0)
return;
// CMB: handle -ve width and/or height
if (ww < 0)
{
ww = -ww;
xx = xx - ww;
}
if (hh < 0)
{
hh = -hh;
yy = yy - hh;
}
Rect rect = { yy , xx , yy + hh , xx + ww } ;
if (m_brush.GetStyle() != wxTRANSPARENT)
{
MacInstallBrush() ;
::PaintRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
};
if (m_pen.GetStyle() != wxTRANSPARENT)
{
MacInstallPen() ;
::FrameRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
};
}
void wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
{
if (!Ok())
return;
wxMacPortSetter helper(this) ;
long xx = XLOG2DEV(x);
long yy = YLOG2DEV(y);
long ww = m_signX * XLOG2DEVREL(width);
long hh = m_signY * YLOG2DEVREL(height);
// CMB: draw nothing if transformed w or h is 0
if (ww == 0 || hh == 0)
return;
// CMB: handle -ve width and/or height
if (ww < 0)
{
ww = -ww;
xx = xx - ww;
}
if (hh < 0)
{
hh = -hh;
yy = yy - hh;
}
Rect rect = { yy , xx , yy + hh , xx + ww } ;
if (m_brush.GetStyle() != wxTRANSPARENT)
{
MacInstallBrush() ;
::PaintOval( &rect ) ;
};
if (m_pen.GetStyle() != wxTRANSPARENT)
{
MacInstallPen() ;
::FrameOval( &rect ) ;
};
}
bool wxDC::CanDrawBitmap(void) const
{
return true ;
}
bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
wxDC *source, wxCoord xsrc, wxCoord ysrc, int logical_func , bool useMask )
{
if (!Ok()) return FALSE;
wxMacPortSetter helper(this) ;
CGrafPtr sourcePort = (CGrafPtr) source->m_macPort ;
PixMapHandle bmappixels = GetGWorldPixMap( sourcePort ) ;
RGBColor white = { 0xFFFF, 0xFFFF,0xFFFF} ;
RGBColor black = { 0,0,0} ;
RGBColor forecolor = m_textForegroundColour.GetPixel();
RGBColor backcolor = m_textBackgroundColour.GetPixel();
RGBForeColor( &forecolor ) ;
RGBBackColor( &backcolor ) ;
if ( LockPixels(bmappixels) )
{
Rect srcrect , dstrect ;
srcrect.top = source->YLOG2DEV(ysrc) ;
srcrect.left = source->XLOG2DEV(xsrc) ;
srcrect.right = source->XLOG2DEV(xsrc + width ) ;
srcrect.bottom = source->YLOG2DEV(ysrc + height) ;
dstrect.top = YLOG2DEV(ydest) ;
dstrect.left = XLOG2DEV(xdest) ;
dstrect.bottom = YLOG2DEV(ydest + height ) ;
dstrect.right = XLOG2DEV(xdest + width ) ;
short mode = (logical_func == wxCOPY ? srcCopy :
// logical_func == wxCLEAR ? WHITENESS :
// logical_func == wxSET ? BLACKNESS :
logical_func == wxINVERT ? hilite :
// logical_func == wxAND ? MERGECOPY :
logical_func == wxOR ? srcOr :
logical_func == wxSRC_INVERT ? notSrcCopy :
logical_func == wxXOR ? srcXor :
// logical_func == wxOR_REVERSE ? MERGEPAINT :
// logical_func == wxAND_REVERSE ? SRCERASE :
// logical_func == wxSRC_OR ? srcOr :
// logical_func == wxSRC_AND ? SRCAND :
srcCopy );
if ( useMask && source->m_macMask )
{
wxASSERT( mode == srcCopy ) ;
if ( LockPixels( GetGWorldPixMap( source->m_macMask ) ) )
{
CopyMask( GetPortBitMapForCopyBits( sourcePort ) , GetPortBitMapForCopyBits( source->m_macMask ) ,
GetPortBitMapForCopyBits( m_macPort ) ,
&srcrect, &srcrect , &dstrect ) ;
UnlockPixels( GetGWorldPixMap( source->m_macMask ) ) ;
}
}
else
{
CopyBits( GetPortBitMapForCopyBits( sourcePort ) , GetPortBitMapForCopyBits( m_macPort ) ,
&srcrect, &dstrect, mode, NULL ) ;
}
UnlockPixels( bmappixels ) ;
}
m_macPenInstalled = false ;
m_macBrushInstalled = false ;
m_macFontInstalled = false ;
return TRUE;
}
void wxDC::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
double angle)
{
}
void wxDC::DoDrawText(const wxString& strtext, wxCoord x, wxCoord y)
{
if (!Ok())
return;
wxMacPortSetter helper(this) ;
long xx = XLOG2DEV(x);
long yy = YLOG2DEV(y);
// if (m_pen.GetStyle() != wxTRANSPARENT)
{
MacInstallFont() ;
/*
Rect clip = { -32000 , -32000 , 32000 , 32000 } ;
::ClipRect( &clip ) ;
*/
FontInfo fi ;
::GetFontInfo( &fi ) ;
yy += fi.ascent ;
::MoveTo( xx , yy );
if ( m_backgroundMode == wxTRANSPARENT )
{
::TextMode( srcOr) ;
}
else
{
::TextMode( srcCopy ) ;
}
const char *text = NULL ;
int length = 0 ;
wxString macText ;
if ( wxApp::s_macDefaultEncodingIsPC )
{
macText = wxMacMakeMacStringFromPC( strtext ) ;
text = macText ;
length = macText.Length() ;
}
else
{
text = strtext ;
length = strtext.Length() ;
}
int laststop = 0 ;
int i = 0 ;
int line = 0 ;
while( i < length )
{
if( text[i] == 13 || text[i] == 10)
{
::DrawText( text , laststop , i - laststop ) ;
line++ ;
::MoveTo( xx , yy + line*(fi.descent + fi.ascent + fi.leading) );
laststop = i+1 ;
}
i++ ;
}
::DrawText( text , laststop , i - laststop ) ;
::TextMode( srcOr ) ;
}
}
bool wxDC::CanGetTextExtent(void) const
{
if ( !Ok() )
return false ;
return true ;
}
void wxDC::DoGetTextExtent( const wxString &string, wxCoord *width, wxCoord *height,
wxCoord *descent, wxCoord *externalLeading ,
wxFont *theFont ) const
{
if (!Ok())
return;
wxMacPortSetter helper(this) ;
wxFont formerFont = m_font ;
if ( theFont )
{
wxFontRefData * font = (wxFontRefData*) m_font.GetRefData() ;
if ( font )
{
::TextFont( font->m_macFontNum ) ;
::TextSize( YLOG2DEVREL( font->m_macFontSize) ) ;
::TextFace( font->m_macFontStyle ) ;
}
}
else
{
MacInstallFont() ;
}
FontInfo fi ;
::GetFontInfo( &fi ) ;
if ( height )
*height = YDEV2LOGREL( fi.descent + fi.ascent ) ;
if ( descent )
*descent =YDEV2LOGREL( fi.descent );
if ( externalLeading )
*externalLeading = YDEV2LOGREL( fi.leading ) ;
const char *text = NULL ;
int length = 0 ;
wxString macText ;
if ( wxApp::s_macDefaultEncodingIsPC )
{
macText = wxMacMakeMacStringFromPC( string ) ;
text = macText ;
length = macText.Length() ;
}
else
{
text = string ;
length = string.Length() ;
}
int laststop = 0 ;
int i = 0 ;
int curwidth = 0 ;
if ( width )
{
*width = 0 ;
while( i < length )
{
if( text[i] == 13 || text[i] == 10)
{
if ( height )
*height += YDEV2LOGREL( fi.descent + fi.ascent + fi.leading ) ;
curwidth = ::TextWidth( text , laststop , i - laststop ) ;
if ( curwidth > *width )
*width = XDEV2LOGREL( curwidth ) ;
laststop = i+1 ;
}
i++ ;
}
curwidth = ::TextWidth( text , laststop , i - laststop ) ;
if ( curwidth > *width )
*width = XDEV2LOGREL( curwidth ) ;
}
if ( theFont )
{
m_macFontInstalled = false ;
}
}
wxCoord wxDC::GetCharWidth(void) const
{
if (!Ok())
return 1;
wxMacPortSetter helper(this) ;
MacInstallFont() ;
FontInfo fi ;
::GetFontInfo( &fi ) ;
return YDEV2LOGREL((fi.descent + fi.ascent) / 2) ;
}
wxCoord wxDC::GetCharHeight(void) const
{
if (!Ok())
return 1;
wxMacPortSetter helper(this) ;
MacInstallFont() ;
FontInfo fi ;
::GetFontInfo( &fi ) ;
return YDEV2LOGREL( fi.descent + fi.ascent );
}
void wxDC::Clear(void)
{
if (!Ok())
return;
wxMacPortSetter helper(this) ;
Rect rect = { -32767 , -32767 , 32767 , 32767 } ;
if (m_backgroundBrush.GetStyle() != wxTRANSPARENT)
{
MacInstallBrush() ;
::EraseRect( &rect ) ;
};
}
void wxDC::MacInstallFont() const
{
if (!Ok())
return;
// if ( m_macFontInstalled )
// return ;
Pattern blackColor ;
wxFontRefData * font = (wxFontRefData*) m_font.GetRefData() ;
if ( font )
{
::TextFont( font->m_macFontNum ) ;
::TextSize( short(m_scaleY * font->m_macFontSize) ) ;
::TextFace( font->m_macFontStyle ) ;
m_macFontInstalled = true ;
m_macBrushInstalled = false ;
m_macPenInstalled = false ;
RGBColor forecolor = m_textForegroundColour.GetPixel();
RGBColor backcolor = m_textBackgroundColour.GetPixel();
::RGBForeColor( &forecolor );
::RGBBackColor( &backcolor );
}
else
{
short fontnum ;
GetFNum( "\pGeneva" , &fontnum ) ;
::TextFont( fontnum ) ;
::TextSize( short(m_scaleY * 10) ) ;
::TextFace( 0 ) ;
// todo reset after spacing changes - or store the current spacing somewhere
m_macFontInstalled = true ;
m_macBrushInstalled = false ;
m_macPenInstalled = false ;
RGBColor forecolor = m_textForegroundColour.GetPixel();
RGBColor backcolor = m_textBackgroundColour.GetPixel();
::RGBForeColor( &forecolor );
::RGBBackColor( &backcolor );
}
short mode = patCopy ;
// todo :
switch( m_logicalFunction )
{
case wxCOPY: // src
mode = patCopy ;
break ;
case wxINVERT: // NOT dst
::PenPat(GetQDGlobalsBlack(&blackColor));
mode = patXor ;
break ;
case wxXOR: // src XOR dst
mode = patXor ;
break ;
case wxOR_REVERSE: // src OR (NOT dst)
mode = notPatOr ;
break ;
case wxSRC_INVERT: // (NOT src)
mode = notPatCopy ;
break ;
// unsupported TODO
case wxCLEAR: // 0
case wxAND_REVERSE:// src AND (NOT dst)
case wxAND: // src AND dst
case wxAND_INVERT: // (NOT src) AND dst
case wxNO_OP: // dst
case wxNOR: // (NOT src) AND (NOT dst)
case wxEQUIV: // (NOT src) XOR dst
case wxOR_INVERT: // (NOT src) OR dst
case wxNAND: // (NOT src) OR (NOT dst)
case wxOR: // src OR dst
case wxSET: // 1
// case wxSRC_OR: // source _bitmap_ OR destination
// case wxSRC_AND: // source _bitmap_ AND destination
break ;
}
::PenMode( mode ) ;
}
static void wxMacGetHatchPattern(int hatchStyle, Pattern *pattern)
{
int thePatListID = sysPatListID;
int theIndex;
switch(hatchStyle)
{
case wxBDIAGONAL_HATCH:
theIndex = 34; // WCH: this is not good
break;
case wxFDIAGONAL_HATCH:
theIndex = 26;
break;
case wxCROSS_HATCH:
theIndex = 5;
break;
case wxHORIZONTAL_HATCH:
theIndex = 25;
break;
case wxVERTICAL_HATCH:
theIndex = 6;
break;
case wxCROSSDIAG_HATCH:
theIndex = 4; // WCH: this is not good
break;
default:
theIndex = 1; // solid pattern
break;
}
GetIndPattern( pattern, thePatListID, theIndex);
}
void wxDC::MacInstallPen() const
{
if (!Ok())
return;
Pattern blackColor;
// if ( m_macPenInstalled )
// return ;
RGBColor forecolor = m_pen.GetColour().GetPixel();
RGBColor backcolor = m_backgroundBrush.GetColour().GetPixel();
::RGBForeColor( &forecolor );
::RGBBackColor( &backcolor );
::PenNormal() ;
int penWidth = m_pen.GetWidth() * m_scaleX ;
// null means only one pixel, at whatever resolution
if ( penWidth == 0 )
penWidth = 1 ;
::PenSize(penWidth, penWidth);
int penStyle = m_pen.GetStyle();
if (penStyle == wxSOLID)
{
::PenPat(GetQDGlobalsBlack(&blackColor));
}
else if (IS_HATCH(penStyle))
{
Pattern pat ;
wxMacGetHatchPattern(penStyle, &pat);
::PenPat(&pat);
}
else
{
::PenPat(GetQDGlobalsBlack(&blackColor));
}
short mode = patCopy ;
// todo :
switch( m_logicalFunction )
{
case wxCOPY: // src
mode = patCopy ;
break ;
case wxINVERT: // NOT dst
::PenPat(GetQDGlobalsBlack(&blackColor));
mode = patXor ;
break ;
case wxXOR: // src XOR dst
mode = patXor ;
break ;
case wxOR_REVERSE: // src OR (NOT dst)
mode = notPatOr ;
break ;
case wxSRC_INVERT: // (NOT src)
mode = notPatCopy ;
break ;
// unsupported TODO
case wxCLEAR: // 0
case wxAND_REVERSE:// src AND (NOT dst)
case wxAND: // src AND dst
case wxAND_INVERT: // (NOT src) AND dst
case wxNO_OP: // dst
case wxNOR: // (NOT src) AND (NOT dst)
case wxEQUIV: // (NOT src) XOR dst
case wxOR_INVERT: // (NOT src) OR dst
case wxNAND: // (NOT src) OR (NOT dst)
case wxOR: // src OR dst
case wxSET: // 1
// case wxSRC_OR: // source _bitmap_ OR destination
// case wxSRC_AND: // source _bitmap_ AND destination
break ;
}
::PenMode( mode ) ;
m_macPenInstalled = true ;
m_macBrushInstalled = false ;
m_macFontInstalled = false ;
}
void wxDC::MacInstallBrush() const
{
if (!Ok())
return;
Pattern blackColor, whiteColor ;
// if ( m_macBrushInstalled )
// return ;
// foreground
RGBColor forecolor = m_brush.GetColour().GetPixel();
RGBColor backcolor = m_backgroundBrush.GetColour().GetPixel();
::RGBForeColor( &forecolor );
::RGBBackColor( &backcolor );
int brushStyle = m_brush.GetStyle();
if (brushStyle == wxSOLID)
::PenPat(GetQDGlobalsBlack(&blackColor));
else if (IS_HATCH(brushStyle))
{
Pattern pat ;
wxMacGetHatchPattern(brushStyle, &pat);
::PenPat(&pat);
}
else
{
::PenPat(GetQDGlobalsBlack(&blackColor));
}
// background
brushStyle = m_backgroundBrush.GetStyle();
if (brushStyle == wxSOLID)
::BackPat(GetQDGlobalsWhite(&whiteColor));
else if (IS_HATCH(brushStyle))
{
Pattern pat ;
wxMacGetHatchPattern(brushStyle, &pat);
::BackPat(&pat);
}
else
{
::BackPat(GetQDGlobalsWhite(&whiteColor));
}
short mode = patCopy ;
// todo :
switch( m_logicalFunction )
{
case wxCOPY: // src
mode = patCopy ;
break ;
case wxINVERT: // NOT dst
::PenPat(GetQDGlobalsBlack(&blackColor));
mode = patXor ;
break ;
case wxXOR: // src XOR dst
mode = patXor ;
break ;
case wxOR_REVERSE: // src OR (NOT dst)
mode = notPatOr ;
break ;
case wxSRC_INVERT: // (NOT src)
mode = notPatCopy ;
break ;
// unsupported TODO
case wxCLEAR: // 0
case wxAND_REVERSE:// src AND (NOT dst)
case wxAND: // src AND dst
case wxAND_INVERT: // (NOT src) AND dst
case wxNO_OP: // dst
case wxNOR: // (NOT src) AND (NOT dst)
case wxEQUIV: // (NOT src) XOR dst
case wxOR_INVERT: // (NOT src) OR dst
case wxNAND: // (NOT src) OR (NOT dst)
case wxOR: // src OR dst
case wxSET: // 1
// case wxSRC_OR: // source _bitmap_ OR destination
// case wxSRC_AND: // source _bitmap_ AND destination
break ;
}
::PenMode( mode ) ;
m_macBrushInstalled = true ;
m_macPenInstalled = false ;
m_macFontInstalled = false ;
}
// ---------------------------------------------------------------------------
// coordinates transformations
// ---------------------------------------------------------------------------
wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
{
return ((wxDC *)this)->XDEV2LOG(x);
}
wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
{
return ((wxDC *)this)->YDEV2LOG(y);
}
wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
{
return ((wxDC *)this)->XDEV2LOGREL(x);
}
wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
{
return ((wxDC *)this)->YDEV2LOGREL(y);
}
wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
{
return ((wxDC *)this)->XLOG2DEV(x);
}
wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
{
return ((wxDC *)this)->YLOG2DEV(y);
}
wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
{
return ((wxDC *)this)->XLOG2DEVREL(x);
}
wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
{
return ((wxDC *)this)->YLOG2DEVREL(y);
}
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