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32ea1f988de29c88fd96b468bea495b85c1a9c25
wxWidgets/src/mac/dc.cpp
Robert Roebling 32ea1f988d wxDC::DrawPolygon correction 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10358 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2001-05-27 19:18:07 +00:00

1652 lines
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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"
#include "wx/dcmemory.h"
#include "wx/region.h"
#include "wx/image.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
#ifndef __UNIX__
const double M_PI = 3.14159265358979 ;
#endif
const double RAD2DEG = 180.0 / M_PI;
//-----------------------------------------------------------------------------
// Local functions
//-----------------------------------------------------------------------------
static inline double dmin(double a, double b) { return a < b ? a : b; }
static inline double dmax(double a, double b) { return a > b ? a : b; }
static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
//-----------------------------------------------------------------------------
// 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( const 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);
if ( m_clipping )
{
Rect clip = { m_clipY1 , m_clipX1 , m_clipY2 , m_clipX2 } ;
::SectRect( &clip , &m_macClipRect , &clip ) ;
::ClipRect( &clip ) ;
}
else
{
::ClipRect(&m_macClipRect);
}
m_macFontInstalled = false ;
m_macBrushInstalled = false ;
m_macPenInstalled = false ;
}
void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
{
wxCHECK_RET( Ok(), wxT("invalid window dc") );
wxCHECK_RET( bmp.Ok(), wxT("invalid bitmap") );
wxMacPortSetter helper(this) ;
wxCoord xx = XLOG2DEV(x);
wxCoord yy = YLOG2DEV(y);
wxCoord w = bmp.GetWidth();
wxCoord h = bmp.GetHeight();
wxCoord ww = XLOG2DEVREL(w);
wxCoord hh = YLOG2DEVREL(h);
// Set up drawing mode
short mode = (m_logicalFunction == wxCOPY ? srcCopy :
//m_logicalFunction == wxCLEAR ? WHITENESS :
//m_logicalFunction == wxSET ? BLACKNESS :
m_logicalFunction == wxINVERT ? hilite :
//m_logicalFunction == wxAND ? MERGECOPY :
m_logicalFunction == wxOR ? srcOr :
m_logicalFunction == wxSRC_INVERT ? notSrcCopy :
m_logicalFunction == wxXOR ? srcXor :
m_logicalFunction == wxOR_REVERSE ? notSrcOr :
//m_logicalFunction == wxAND_REVERSE ? SRCERASE :
//m_logicalFunction == wxSRC_OR ? srcOr :
//m_logicalFunction == wxSRC_AND ? SRCAND :
srcCopy );
if ( bmp.GetBitmapType() == kMacBitmapTypePict ) {
Rect bitmaprect = { 0 , 0 , hh, ww };
::OffsetRect( &bitmaprect, xx, yy ) ;
::DrawPicture( bmp.GetPict(), &bitmaprect ) ;
}
else if ( bmp.GetBitmapType() == kMacBitmapTypeGrafWorld )
{
GWorldPtr bmapworld = bmp.GetHBITMAP();
PixMapHandle bmappixels ;
// Set foreground and background colours (for bitmaps depth = 1)
if(bmp.GetDepth() == 1)
{
RGBColor fore = m_textForegroundColour.GetPixel();
RGBColor back = m_textBackgroundColour.GetPixel();
RGBForeColor(&fore);
RGBBackColor(&back);
}
else
{
RGBColor white = { 0xFFFF, 0xFFFF,0xFFFF} ;
RGBColor black = { 0,0,0} ;
RGBForeColor( &black ) ;
RGBBackColor( &white ) ;
}
bmappixels = GetGWorldPixMap( bmapworld ) ;
wxCHECK_RET(LockPixels(bmappixels),
wxT("DoDrawBitmap: Unable to lock pixels"));
Rect source = { 0, 0, h, w };
Rect dest = { yy, xx, yy + hh, xx + ww };
if ( useMask && bmp.GetMask() )
{
if( LockPixels(GetGWorldPixMap(bmp.GetMask()->GetMaskBitmap())))
{
CopyDeepMask
(
GetPortBitMapForCopyBits(bmapworld),
GetPortBitMapForCopyBits(bmp.GetMask()->GetMaskBitmap()),
GetPortBitMapForCopyBits( m_macPort ),
&source, &source, &dest, mode, NULL
);
UnlockPixels(GetGWorldPixMap(bmp.GetMask()->GetMaskBitmap()));
}
}
else {
CopyBits( GetPortBitMapForCopyBits( bmapworld ),
GetPortBitMapForCopyBits( m_macPort ),
&source, &dest, mode, NULL ) ;
}
UnlockPixels( bmappixels ) ;
}
else if ( bmp.GetBitmapType() == kMacBitmapTypeIcon )
{
Rect bitmaprect = { 0 , 0 , bmp.GetHeight(), bmp.GetWidth() } ;
OffsetRect( &bitmaprect, xx, yy ) ;
PlotCIconHandle( &bitmaprect , atNone , ttNone , bmp.GetHICON() ) ;
}
m_macPenInstalled = false ;
m_macBrushInstalled = false ;
m_macFontInstalled = false ;
}
void wxDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
{
wxCHECK_RET(Ok(), wxT("Invalid dc wxDC::DoDrawIcon"));
wxCHECK_RET(icon.Ok(), wxT("Invalid icon wxDC::DoDrawIcon"));
DoDrawBitmap( icon , x , y , icon.GetMask() != NULL ) ;
}
void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
{
wxCHECK_RET(Ok(), wxT("wxDC::DoSetClippingRegion Invalid DC"));
wxCoord xx, yy, ww, hh;
xx = XLOG2DEV(x);
yy = YLOG2DEV(y);
ww = XLOG2DEVREL(width);
hh = YLOG2DEVREL(height);
if( m_clipping )
{
m_clipX1 = wxMax( m_clipX1 , xx );
m_clipY1 = wxMax( m_clipY1 , yy );
m_clipX2 = wxMin( m_clipX2, (xx + ww));
m_clipY2 = wxMin( m_clipY2, (yy + hh));
}
else
{
m_clipping = TRUE;
m_clipX1 = xx;
m_clipY1 = yy;
m_clipX2 = xx + ww;
m_clipY2 = yy + hh;
}
}
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()
{
wxMacPortSetter helper(this) ;
m_clipping = FALSE;
}
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 )
{
wxCHECK_RET(Ok(), wxT("Invalid DC"));
m_textForegroundColour = col;
m_macFontInstalled = false ;
}
void wxDC::SetTextBackground( const wxColour &col )
{
wxCHECK_RET(Ok(), wxT("Invalid DC"));
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();
}
#if 0
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;
}
#endif
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()
{
// 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 )
{
wxCHECK_RET(Ok(), wxT("Invalid DC"));
m_font = font;
m_macFontInstalled = false ;
}
void wxDC::SetPen( const wxPen &pen )
{
wxCHECK_RET(Ok(), wxT("Invalid DC"));
if ( m_pen == pen )
return ;
m_pen = pen;
m_macPenInstalled = false ;
}
void wxDC::SetBrush( const wxBrush &brush )
{
wxCHECK_RET(Ok(), wxT("Invalid DC"));
if (m_brush == brush)
return;
m_brush = brush;
m_macBrushInstalled = false ;
}
void wxDC::SetBackground( const wxBrush &brush )
{
wxCHECK_RET(Ok(), wxT("Invalid DC"));
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
{
wxCHECK_MSG( Ok(), false, wxT("wxDC::DoGetPixel Invalid DC") );
wxMacPortSetter helper(this) ;
RGBColor colour;
GetCPixel( XLOG2DEV(x), YLOG2DEV(y), &colour );
// Convert from Mac colour to wx
col->Set( colour.red >> 8,
colour.green >> 8,
colour.blue >> 8);
return true ;
}
void wxDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
{
wxCHECK_RET(Ok(), wxT("Invalid DC"));
wxMacPortSetter helper(this) ;
if (m_pen.GetStyle() != wxTRANSPARENT)
{
MacInstallPen() ;
wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2;
wxCoord xx1 = XLOG2DEV(x1) - offset;
wxCoord yy1 = YLOG2DEV(y1) - offset;
wxCoord xx2 = XLOG2DEV(x2) - offset;
wxCoord yy2 = YLOG2DEV(y2) - offset;
if ((m_pen.GetCap() == wxCAP_ROUND) &&
(m_pen.GetWidth() <= 1))
{
// Implement LAST_NOT for MAC at least for
// orthogonal lines. RR.
if (xx1 == xx2)
{
if (yy1 < yy2)
yy2--;
if (yy1 > yy2)
yy2++;
}
if (yy1 == yy2)
{
if (xx1 < xx2)
xx2--;
if (xx1 > xx2)
xx2++;
}
}
::MoveTo(xx1, yy1);
::LineTo(xx2, yy2);
}
}
void wxDC::DoCrossHair( wxCoord x, wxCoord y )
{
wxCHECK_RET( Ok(), wxT("wxDC::DoCrossHair Invalid window dc") );
if (m_pen.GetStyle() != wxTRANSPARENT)
{
int w = 0;
int h = 0;
GetSize( &w, &h );
wxCoord xx = XLOG2DEV(x);
wxCoord yy = YLOG2DEV(y);
MacInstallPen();
::MoveTo( 0, yy );
::LineTo( XLOG2DEVREL(w), yy );
::MoveTo( xx, 0 );
::LineTo( xx, YLOG2DEVREL(h) );
}
}
/*
* To draw arcs properly the angles need to be converted from the WX style:
* Angles start on the +ve X axis and go anti-clockwise (As you would draw on
* a normal axis on paper).
* TO
* the Mac style:
* Angles start on the +ve y axis and go clockwise.
* To achive this I work out which quadrant the angle lies in then map this to
* the equivalent quadrant on the Mac. (Sin and Cos values reveal which
* quadrant you are in).
*/
static double wxConvertWXangleToMACangle(double angle)
{
double sin_a, cos_a;
sin_a = sin(angle / RAD2DEG);
cos_a = cos(angle / RAD2DEG);
if( (sin_a >= 0.0) && (cos_a >= 0.0) ) {
angle = acos(sin_a) * RAD2DEG;
}
else if( (sin_a >= 0.0) && (cos_a <= 0.0) ) {
sin_a *= -1;
angle = acos(sin_a) * RAD2DEG + 180;
}
else if( (sin_a <= 0.0) && (cos_a >= 0.0) ) {
angle = acos(sin_a) * RAD2DEG + 180;
}
else if( (sin_a < 0.0) && (cos_a < 0.0) ) {
sin_a *= -1;
angle = acos(sin_a) * RAD2DEG + 180;
}
return angle;
}
void wxDC::DoDrawArc( wxCoord x1, wxCoord y1,
wxCoord x2, wxCoord y2,
wxCoord xc, wxCoord yc )
{
wxCHECK_RET(Ok(), wxT("wxDC::DoDrawArc Invalid DC"));
wxCoord xx1 = XLOG2DEV(x1);
wxCoord yy1 = YLOG2DEV(y1);
wxCoord xx2 = XLOG2DEV(x2);
wxCoord yy2 = YLOG2DEV(y2);
wxCoord xxc = XLOG2DEV(xc);
wxCoord yyc = YLOG2DEV(yc);
double dx = xx1 - xxc;
double dy = yy1 - yyc;
double radius = sqrt((double)(dx*dx+dy*dy));
wxCoord rad = (wxCoord)radius;
double radius1, radius2;
if (xx1 == xx2 && yy1 == yy2)
{
radius1 = 0.0;
radius2 = 360.0;
}
else if (radius == 0.0)
{
radius1 = radius2 = 0.0;
}
else
{
radius1 = (xx1 - xxc == 0) ?
(yy1 - yyc < 0) ? 90.0 : -90.0 :
-atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG;
radius2 = (xx2 - xxc == 0) ?
(yy2 - yyc < 0) ? 90.0 : -90.0 :
-atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
}
wxCoord alpha2 = wxCoord(radius2 - radius1);
wxCoord alpha1 = wxCoord(wxConvertWXangleToMACangle(radius1));
if( (xx1 > xx2) || (yy1 > yy2) ) {
alpha2 *= -1;
}
Rect r = { yyc - rad, xxc - rad, yyc + rad, xxc + rad };
if(m_brush.GetStyle() != wxTRANSPARENT) {
MacInstallBrush();
PaintArc(&r, alpha1, alpha2);
}
if(m_pen.GetStyle() != wxTRANSPARENT) {
MacInstallPen();
FrameArc(&r, alpha1, alpha2);
}
}
void wxDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord w, wxCoord h,
double sa, double ea )
{
wxCHECK_RET(Ok(), wxT("wxDC::DoDrawEllepticArc Invalid DC"));
Rect r;
double angle = sa - ea; // Order important Mac in opposite direction to wx
wxCoord xx = XLOG2DEV(x);
wxCoord yy = YLOG2DEV(y);
wxCoord ww = m_signX * XLOG2DEVREL(w);
wxCoord hh = m_signY * YLOG2DEVREL(h);
// handle -ve width and/or height
if (ww < 0) { ww = -ww; xx = xx - ww; }
if (hh < 0) { hh = -hh; yy = yy - hh; }
sa = wxConvertWXangleToMACangle(sa);
r.top = yy;
r.left = xx;
r.bottom = yy + hh;
r.right = xx + ww;
if(m_brush.GetStyle() != wxTRANSPARENT) {
MacInstallBrush();
PaintArc(&r, (short)sa, (short)angle);
}
if(m_pen.GetStyle() != wxTRANSPARENT) {
MacInstallPen();
FrameArc(&r, (short)sa, (short)angle);
}
}
void wxDC::DoDrawPoint( wxCoord x, wxCoord y )
{
wxCHECK_RET(Ok(), wxT("Invalid DC"));
wxMacPortSetter helper(this) ;
if (m_pen.GetStyle() != wxTRANSPARENT)
{
MacInstallPen() ;
wxCoord xx1 = XLOG2DEV(x);
wxCoord yy1 = YLOG2DEV(y);
::MoveTo(xx1,yy1);
::LineTo(xx1+1, yy1+1);
}
}
void wxDC::DoDrawLines(int n, wxPoint points[],
wxCoord xoffset, wxCoord yoffset)
{
wxCHECK_RET(Ok(), wxT("Invalid DC"));
wxMacPortSetter helper(this) ;
if (m_pen.GetStyle() == wxTRANSPARENT)
return;
MacInstallPen() ;
wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2 ;
wxCoord 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 )
{
wxCHECK_RET(Ok(), wxT("Invalid DC"));
wxMacPortSetter helper(this) ;
wxCoord x1, x2 , y1 , y2 ;
if (m_brush.GetStyle() != wxTRANSPARENT)
{
PolyHandle polygon = OpenPoly();
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();
MacInstallBrush();
::PaintPoly( polygon );
KillPoly( polygon );
}
if (m_pen.GetStyle() != wxTRANSPARENT)
{
PolyHandle polygon = OpenPoly();
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);
}
// return to origin to close path
::LineTo(x1,y1);
ClosePoly();
MacInstallPen() ;
::FramePoly( polygon ) ;
KillPoly( polygon );
}
}
void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
{
wxCHECK_RET(Ok(), wxT("Invalid DC"));
wxMacPortSetter helper(this) ;
wxCoord xx = XLOG2DEV(x);
wxCoord yy = YLOG2DEV(y);
wxCoord ww = m_signX * XLOG2DEVREL(width);
wxCoord 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)
{
wxCHECK_RET(Ok(), wxT("Invalid DC"));
wxMacPortSetter helper(this) ;
if (radius < 0.0)
radius = - radius * ((width < height) ? width : height);
wxCoord xx = XLOG2DEV(x);
wxCoord yy = YLOG2DEV(y);
wxCoord ww = m_signX * XLOG2DEVREL(width);
wxCoord 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)
{
wxCHECK_RET(Ok(), wxT("Invalid DC"));
wxMacPortSetter helper(this) ;
wxCoord xx = XLOG2DEV(x);
wxCoord yy = YLOG2DEV(y);
wxCoord ww = m_signX * XLOG2DEVREL(width);
wxCoord 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 )
{
wxCHECK_MSG(Ok(), false, wxT("wxDC::DoBlit Illegal dc"));
wxCHECK_MSG(source->Ok(), false, wxT("wxDC::DoBlit Illegal source DC"));
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)
{
wxCHECK_RET( Ok(), wxT("wxDC::DoDrawRotatedText Invalid window dc") );
if (angle == 0.0)
{
DrawText(text, x, y);
return;
}
MacInstallFont();
// the size of the text
wxCoord w, h;
GetTextExtent(text, &w, &h);
// draw the string normally
wxBitmap src(w, h);
wxMemoryDC dc;
dc.SelectObject(src);
dc.SetFont(GetFont());
dc.SetBackground(*wxWHITE_BRUSH);
dc.SetBrush(*wxBLACK_BRUSH);
dc.Clear();
dc.DrawText(text, 0, 0);
dc.SetFont(wxNullFont);
dc.SelectObject(wxNullBitmap);
wxMacPortSetter helper(this) ;
// Calculate the size of the rotated bounding box.
double rad = DegToRad(angle);
double dx = cos(rad);
double dy = sin(rad);
// the rectngle vertices are counted clockwise with the first one being at
// (0, 0) (or, rather, at (x, y))
double x2 = w * dx;
double y2 = -w * dy; // y axis points to the bottom, hence minus
double x4 = h * dy;
double y4 = h * dx;
double x3 = x4 + x2;
double y3 = y4 + y2;
// calc max and min
wxCoord maxX = (wxCoord)(dmax(x2, dmax(x3, x4)) + 0.5);
wxCoord maxY = (wxCoord)(dmax(y2, dmax(y3, y4)) + 0.5);
wxCoord minX = (wxCoord)(dmin(x2, dmin(x3, x4)) - 0.5);
wxCoord minY = (wxCoord)(dmin(y2, dmin(y3, y4)) - 0.5);
// prepare to blit-with-rotate the bitmap to the DC
wxImage image(src);
RGBColor colText = m_textForegroundColour.GetPixel();
RGBColor colBack = m_textBackgroundColour.GetPixel();
unsigned char *data = image.GetData();
wxCoord dstX, dstY;
double r, angleOrig;
bool textPixel;
// paint pixel by pixel
for ( wxCoord srcX = 0; srcX < w; srcX++ )
{
for ( wxCoord srcY = 0; srcY < h; srcY++ )
{
// transform source coords to dest coords
r = sqrt( (double)(srcX * srcX + srcY * srcY) );
angleOrig = atan2((double)srcY, (double)srcX) - rad;
dstX = (wxCoord)(r * cos(angleOrig) + 0.5);
dstY = (wxCoord)(r * sin(angleOrig) + 0.5);
// black pixel?
textPixel = data[(srcY*w + srcX)*3] == 0;
if ( textPixel || (m_backgroundMode == wxSOLID) )
{
SetCPixel(XLOG2DEV(x + dstX), YLOG2DEV(y + dstY),
textPixel ? &colText : &colBack);
}
}
}
// it would be better to draw with non underlined font and draw the line
// manually here (it would be more straight...)
#if 0
if ( m_font.GetUnderlined() )
{
::MoveTo(XLOG2DEV(x + x4), YLOG2DEV(y + y4 + font->descent));
::LineTo(XLOG2DEV(x + x3), YLOG2DEV(y + y3 + font->descent));
}
#endif // 0
// update the bounding box
CalcBoundingBox(x + minX, y + minY);
CalcBoundingBox(x + maxX, y + maxY);
}
void wxDC::DoDrawText(const wxString& strtext, wxCoord x, wxCoord y)
{
wxCHECK_RET(Ok(), wxT("wxDC::DoDrawText Invalid DC"));
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() const
{
wxCHECK_MSG(Ok(), false, wxT("Invalid DC"));
return true ;
}
void wxDC::DoGetTextExtent( const wxString &string, wxCoord *width, wxCoord *height,
wxCoord *descent, wxCoord *externalLeading ,
wxFont *theFont ) const
{
wxCHECK_RET(Ok(), wxT("Invalid DC"));
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
{
wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
wxMacPortSetter helper(this) ;
MacInstallFont() ;
FontInfo fi ;
::GetFontInfo( &fi ) ;
return YDEV2LOGREL((fi.descent + fi.ascent) / 2) ;
}
wxCoord wxDC::GetCharHeight(void) const
{
wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
wxMacPortSetter helper(this) ;
MacInstallFont() ;
FontInfo fi ;
::GetFontInfo( &fi ) ;
return YDEV2LOGREL( fi.descent + fi.ascent );
}
void wxDC::Clear(void)
{
wxCHECK_RET(Ok(), wxT("Invalid DC"));
wxMacPortSetter helper(this) ;
Rect rect = { -32767 , -32767 , 32767 , 32767 } ;
if (m_backgroundBrush.GetStyle() != wxTRANSPARENT)
{
MacInstallBrush() ;
::EraseRect( &rect ) ;
}
}
void wxDC::MacInstallFont() const
{
wxCHECK_RET(Ok(), wxT("Invalid DC"));
// 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
{
wxCHECK_RET(Ok(), wxT("Invalid DC"));
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() * (int) 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
{
wxCHECK_RET(Ok(), wxT("Invalid DC"));
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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