[wxWidgets.git] / src / cocoa / dc.mm

/////////////////////////////////////////////////////////////////////////////
// Name:        src/cocoa/dc.mm
// Purpose:     wxDC
// Author:      David Elliott
// Modified by:
// Created:     2003/04/01
// RCS-ID:      $Id$
// Copyright:   (c) 2003 David Elliott
// Licence:   	wxWindows license
/////////////////////////////////////////////////////////////////////////////

#include "wx/dc.h"
#include "wx/log.h"

#import <AppKit/NSBezierPath.h>
#import <AppKit/NSTextStorage.h>
#import <AppKit/NSLayoutManager.h>
#import <AppKit/NSTextContainer.h>
#import <AppKit/NSGraphicsContext.h>
#import <AppKit/NSAffineTransform.h>
#import <AppKit/NSColor.h>
#import <AppKit/NSTypeSetter.h>

IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
wxDC *wxDC::sm_focusedDC = NULL;
WX_NSTextStorage wxDC::sm_cocoaNSTextStorage = nil;
WX_NSLayoutManager wxDC::sm_cocoaNSLayoutManager = nil;
WX_NSTextContainer wxDC::sm_cocoaNSTextContainer = nil;

void wxDC::CocoaInitializeTextSystem()
{
    wxASSERT_MSG(!sm_cocoaNSTextStorage && !sm_cocoaNSLayoutManager && !sm_cocoaNSTextContainer,"Text system already initalized!  BAD PROGRAMMER!");

    sm_cocoaNSTextStorage = [[NSTextStorage alloc] init];

    sm_cocoaNSLayoutManager = [[NSLayoutManager alloc] init];
    [sm_cocoaNSTextStorage addLayoutManager:sm_cocoaNSLayoutManager];
    // NSTextStorage retains NSLayoutManager, but so do we
    // [sm_cocoaNSLayoutManager release]; [sm_cocoaNSLayoutManager retain];

    // NOTE:  initWithContainerSize is the designated initializer, but the
    // Apple CircleView sample gets away with just calling init, which
    // is all we really need for our purposes.
    sm_cocoaNSTextContainer = [[NSTextContainer alloc] init];
    [sm_cocoaNSLayoutManager addTextContainer:sm_cocoaNSTextContainer];
    // NSLayoutManager retains NSTextContainer, but so do we
    // [sm_cocoaNSTextContainer release]; [sm_cocoaNSTextContainer retain];
}

void wxDC::CocoaShutdownTextSystem()
{
    [sm_cocoaNSTextContainer release]; sm_cocoaNSTextContainer = nil;
    [sm_cocoaNSLayoutManager release]; sm_cocoaNSLayoutManager = nil;
    [sm_cocoaNSTextStorage release]; sm_cocoaNSTextStorage = nil;
}

wxDC::wxDC(void)
{
}

wxDC::~wxDC(void)
{
}

void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
{
    NSBezierPath *bezpath = [NSBezierPath bezierPathWithRect:NSMakeRect(x,y,width,height)];
    [bezpath stroke];
}

void wxDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
{
    NSBezierPath *bezpath = [NSBezierPath bezierPath];
    [bezpath moveToPoint:NSMakePoint(x1,y1)];
    [bezpath lineToPoint:NSMakePoint(x2,y2)];
    [bezpath stroke];
}

void wxDC::DoGetTextExtent(const wxString& text, wxCoord *x, wxCoord *y, wxCoord *descent, wxCoord *externalLeading, wxFont *theFont) const
{
// FIXME: Cache this so it can be used for DoDrawText
    wxASSERT_MSG(sm_cocoaNSTextStorage && sm_cocoaNSLayoutManager && sm_cocoaNSTextContainer, "Text system has not been initialized.  BAD PROGRAMMER!");
    NSAttributedString *attributedString = [[NSAttributedString alloc]
            initWithString:[NSString stringWithCString:text.c_str()]];
    [sm_cocoaNSTextStorage setAttributedString:attributedString];
    [attributedString release];

    NSRange glyphRange = [sm_cocoaNSLayoutManager glyphRangeForTextContainer:sm_cocoaNSTextContainer];
    NSRect usedRect = [sm_cocoaNSLayoutManager usedRectForTextContainer:sm_cocoaNSTextContainer];
    if(x)
        *x=usedRect.size.width;
    if(y)
        *y=usedRect.size.height;
    if(descent)
        *descent=0;
    if(externalLeading)
        *externalLeading=0;
}

void wxDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y)
{
    wxASSERT_MSG(sm_cocoaNSTextStorage && sm_cocoaNSLayoutManager && sm_cocoaNSTextContainer, "Text system has not been initialized.  BAD PROGRAMMER!");
    NSAttributedString *attributedString = [[NSAttributedString alloc]
            initWithString:[NSString stringWithCString:text.c_str()]];
    [sm_cocoaNSTextStorage setAttributedString:attributedString];
    [attributedString release];

    NSRange glyphRange = [sm_cocoaNSLayoutManager glyphRangeForTextContainer:sm_cocoaNSTextContainer];
    NSRect usedRect = [sm_cocoaNSLayoutManager usedRectForTextContainer:sm_cocoaNSTextContainer];
    // NOTE: We'll crash trying to get the location of glyphAtIndex:0 if
    // there is no length or we don't start at zero
    if(!glyphRange.length)
        return;
    wxASSERT_MSG(glyphRange.location==0,"glyphRange must begin at zero");

    NSAffineTransform *transform = [NSAffineTransform transform];
    [transform translateXBy:x yBy:y];

    NSAffineTransform *flipTransform = [NSAffineTransform transform];
    /*  x' = 1x + 0y + 0
        y' = 0x + -1y + window's height
    */
    NSAffineTransformStruct matrix = {
        1,  0
    ,   0, -1
    ,   0, usedRect.size.height
    };
    [flipTransform setTransformStruct: matrix];

    NSGraphicsContext *context = [NSGraphicsContext currentContext];
    [context saveGraphicsState];
    [transform concat];
    [flipTransform concat];
    // Draw+fill a rectangle so we can see where the shit is supposed to be.
    wxLogDebug("(%f,%f) (%fx%f)",usedRect.origin.x,usedRect.origin.y,usedRect.size.width,usedRect.size.height);
    NSBezierPath *bezpath = [NSBezierPath bezierPathWithRect:NSMakeRect(0,0,usedRect.size.width,usedRect.size.height)];
    [[NSColor blackColor] set];
    [bezpath stroke];
    [[NSColor blueColor] set];
    [bezpath fill];

    NSPoint layoutLocation = [sm_cocoaNSLayoutManager locationForGlyphAtIndex:0];
    layoutLocation.x = 0.0;
    layoutLocation.y *= -1.0;
    layoutLocation.y += [[sm_cocoaNSLayoutManager typesetter] baselineOffsetInLayoutManager:sm_cocoaNSLayoutManager glyphIndex:0];
    // NOTE: That's NSMakePoint, not NSMakePint (working on that though)
    [sm_cocoaNSLayoutManager drawGlyphsForGlyphRange:glyphRange  atPoint:layoutLocation];

    [context restoreGraphicsState];
}

// wxDCBase functions
int wxDCBase::DeviceToLogicalX(int x) const
{
    return x;
}

int wxDCBase::DeviceToLogicalY(int y) const
{
    return y;
}

int wxDCBase::LogicalToDeviceX(int x) const
{
    return x;
}

int wxDCBase::LogicalToDeviceY(int y) const
{
    return y;
}

///////////////////////////////////////////////////////////////////////////
// cut here, the rest is stubs
///////////////////////////////////////////////////////////////////////////

//-----------------------------------------------------------------------------
// 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
//-----------------------------------------------------------------------------

void wxDC::DoDrawIcon( const wxIcon &WXUNUSED(icon), int WXUNUSED(x), int WXUNUSED(y) )
{
};

void wxDC::DoDrawPoint( int x, int y ) 
{ 
};

void wxDC::DoDrawPolygon( int, wxPoint *, int, int, int)
{
};

void wxDC::DoDrawLines( int, wxPoint *, int, int )
{
}

int wxDC::GetDepth() const
{
    return 0;
}

wxSize wxDC::GetPPI() const
{
    return wxSize(0,0);
}

bool wxDC::CanGetTextExtent() const
{
    return false;
}

wxCoord wxDC::GetCharHeight() const
{
    return 0;
}

wxCoord wxDC::GetCharWidth() const
{
    return 0;
}

bool wxDC::CanDrawBitmap() const
{
    return false;
}

bool wxDC::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const
{
    return false;
}

void wxDC::DoDrawArc(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc)
{
}
    
void wxDC::SetPen(const wxPen& pen)
{
}

void wxDC::SetBrush(const wxBrush& brush)
{
}

void wxDC::DoSetClippingRegionAsRegion(const wxRegion& region)
{
}

void wxDC::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
{
}

void wxDC::DestroyClippingRegion()
{
}

void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
{
}

void wxDC::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
{
}

void wxDC::DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h, double sa, double ea)
{
}

void wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
{
}

void wxDC::DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask)
{
}

bool wxDC::DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, int style)
{
    return false;
}

void wxDC::DoCrossHair(wxCoord x, wxCoord y)
{
}


bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height, wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop, bool useMask , wxCoord xsrcMask, wxCoord ysrcMask)
{
    return 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 );
};

void wxDC::SetTextForeground( const wxColour &col )
{
  if (!Ok()) return;
  m_textForegroundColour = col;
};

void wxDC::SetTextBackground( const wxColour &col )
{
  if (!Ok()) return;
  m_textBackgroundColour = col;
};

void wxDC::Clear()
{
}

void wxDC::SetBackground(const wxBrush&)
{
}

void wxDC::SetPalette(const wxPalette&)
{
}

void wxDC::SetLogicalFunction(int)
{
}


void wxDC::SetMapMode( int mode )
{
  switch (mode) 
  {
    case wxMM_TWIPS:
      break;
    case wxMM_POINTS:
      break;
    case wxMM_METRIC:
      break;
    case wxMM_LOMETRIC:
      break;
    default:
    case wxMM_TEXT:
      SetLogicalScale( 1.0, 1.0 );
      break;
  };
  if (mode != wxMM_TEXT)
  {
  };
};

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 )
{
  ComputeScaleAndOrigin();
};

void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
{
  m_signX = (xLeftRight ?  1 : -1);
  m_signY = (yBottomUp  ? -1 :  1);
  ComputeScaleAndOrigin();
};

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;

  // 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);
  }
};
Commit	Line	Data
a24aff65	1	/////////////////////////////////////////////////////////////////////////////
891d0563 DE	2	// Name: src/cocoa/dc.mm
	3	// Purpose: wxDC
	4	// Author: David Elliott
a24aff65	5	// Modified by:
891d0563	6	// Created: 2003/04/01
a24aff65	7	// RCS-ID: $Id$
891d0563 DE	8	// Copyright: (c) 2003 David Elliott
891d0563 DE	9	// Licence: wxWindows license
a24aff65 DE	10	/////////////////////////////////////////////////////////////////////////////
a24aff65 DE	11
a24aff65	12	#include "wx/dc.h"
a24aff65 DE	13	#include "wx/log.h"
a24aff65 DE	14
891d0563 DE	15	#import <AppKit/NSBezierPath.h>
	16	#import <AppKit/NSTextStorage.h>
	17	#import <AppKit/NSLayoutManager.h>
	18	#import <AppKit/NSTextContainer.h>
	19	#import <AppKit/NSGraphicsContext.h>
	20	#import <AppKit/NSAffineTransform.h>
	21	#import <AppKit/NSColor.h>
	22	#import <AppKit/NSTypeSetter.h>
	23
a24aff65	24	IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
891d0563 DE	25	wxDC *wxDC::sm_focusedDC = NULL;
	26	WX_NSTextStorage wxDC::sm_cocoaNSTextStorage = nil;
	27	WX_NSLayoutManager wxDC::sm_cocoaNSLayoutManager = nil;
	28	WX_NSTextContainer wxDC::sm_cocoaNSTextContainer = nil;
	29
	30	void wxDC::CocoaInitializeTextSystem()
	31	{
	32	wxASSERT_MSG(!sm_cocoaNSTextStorage && !sm_cocoaNSLayoutManager && !sm_cocoaNSTextContainer,"Text system already initalized! BAD PROGRAMMER!");
	33
	34	sm_cocoaNSTextStorage = [[NSTextStorage alloc] init];
	35
	36	sm_cocoaNSLayoutManager = [[NSLayoutManager alloc] init];
	37	[sm_cocoaNSTextStorage addLayoutManager:sm_cocoaNSLayoutManager];
	38	// NSTextStorage retains NSLayoutManager, but so do we
	39	// [sm_cocoaNSLayoutManager release]; [sm_cocoaNSLayoutManager retain];
	40
	41	// NOTE: initWithContainerSize is the designated initializer, but the
	42	// Apple CircleView sample gets away with just calling init, which
	43	// is all we really need for our purposes.
	44	sm_cocoaNSTextContainer = [[NSTextContainer alloc] init];
	45	[sm_cocoaNSLayoutManager addTextContainer:sm_cocoaNSTextContainer];
	46	// NSLayoutManager retains NSTextContainer, but so do we
	47	// [sm_cocoaNSTextContainer release]; [sm_cocoaNSTextContainer retain];
	48	}
	49
	50	void wxDC::CocoaShutdownTextSystem()
	51	{
	52	[sm_cocoaNSTextContainer release]; sm_cocoaNSTextContainer = nil;
	53	[sm_cocoaNSLayoutManager release]; sm_cocoaNSLayoutManager = nil;
	54	[sm_cocoaNSTextStorage release]; sm_cocoaNSTextStorage = nil;
	55	}
	56
	57	wxDC::wxDC(void)
	58	{
	59	}
	60
	61	wxDC::~wxDC(void)
	62	{
	63	}
	64
	65	void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
	66	{
	67	NSBezierPath *bezpath = [NSBezierPath bezierPathWithRect:NSMakeRect(x,y,width,height)];
	68	[bezpath stroke];
	69	}
	70
	71	void wxDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
	72	{
	73	NSBezierPath *bezpath = [NSBezierPath bezierPath];
	74	[bezpath moveToPoint:NSMakePoint(x1,y1)];
	75	[bezpath lineToPoint:NSMakePoint(x2,y2)];
	76	[bezpath stroke];
	77	}
	78
	79	void wxDC::DoGetTextExtent(const wxString& text, wxCoord x, wxCoord y, wxCoord descent, wxCoord externalLeading, wxFont *theFont) const
	80	{
	81	// FIXME: Cache this so it can be used for DoDrawText
	82	wxASSERT_MSG(sm_cocoaNSTextStorage && sm_cocoaNSLayoutManager && sm_cocoaNSTextContainer, "Text system has not been initialized. BAD PROGRAMMER!");
	83	NSAttributedString *attributedString = [[NSAttributedString alloc]
	84	initWithString:[NSString stringWithCString:text.c_str()]];
	85	[sm_cocoaNSTextStorage setAttributedString:attributedString];
	86	[attributedString release];
	87
	88	NSRange glyphRange = [sm_cocoaNSLayoutManager glyphRangeForTextContainer:sm_cocoaNSTextContainer];
89	NSRect usedRect = [sm_cocoaNSLayoutManager usedRectForTextContainer:sm_cocoaNSTextContainer];
90	if(x)
91	*x=usedRect.size.width;
92	if(y)
93	*y=usedRect.size.height;
94	if(descent)
95	*descent=0;
96	if(externalLeading)
97	*externalLeading=0;
98	}
99
100	void wxDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y)
101	{
102	wxASSERT_MSG(sm_cocoaNSTextStorage && sm_cocoaNSLayoutManager && sm_cocoaNSTextContainer, "Text system has not been initialized. BAD PROGRAMMER!");
103	NSAttributedString *attributedString = [[NSAttributedString alloc]
104	initWithString:[NSString stringWithCString:text.c_str()]];
105	[sm_cocoaNSTextStorage setAttributedString:attributedString];
106	[attributedString release];
107
108	NSRange glyphRange = [sm_cocoaNSLayoutManager glyphRangeForTextContainer:sm_cocoaNSTextContainer];
109	NSRect usedRect = [sm_cocoaNSLayoutManager usedRectForTextContainer:sm_cocoaNSTextContainer];
13fc3db4 DE	110	// NOTE: We'll crash trying to get the location of glyphAtIndex:0 if
	111	// there is no length or we don't start at zero
	112	if(!glyphRange.length)
	113	return;
	114	wxASSERT_MSG(glyphRange.location==0,"glyphRange must begin at zero");
891d0563 DE	115
	116	NSAffineTransform *transform = [NSAffineTransform transform];
	117	[transform translateXBy:x yBy:y];
	118
	119	NSAffineTransform *flipTransform = [NSAffineTransform transform];
	120	/* x' = 1x + 0y + 0
	121	y' = 0x + -1y + window's height
	122	*/
	123	NSAffineTransformStruct matrix = {
	124	1, 0
	125	, 0, -1
	126	, 0, usedRect.size.height
	127	};
	128	[flipTransform setTransformStruct: matrix];
	129
	130	NSGraphicsContext *context = [NSGraphicsContext currentContext];
	131	[context saveGraphicsState];
	132	[transform concat];
	133	[flipTransform concat];
	134	// Draw+fill a rectangle so we can see where the shit is supposed to be.
	135	wxLogDebug("(%f,%f) (%fx%f)",usedRect.origin.x,usedRect.origin.y,usedRect.size.width,usedRect.size.height);
	136	NSBezierPath *bezpath = [NSBezierPath bezierPathWithRect:NSMakeRect(0,0,usedRect.size.width,usedRect.size.height)];
	137	[[NSColor blackColor] set];
	138	[bezpath stroke];
	139	[[NSColor blueColor] set];
	140	[bezpath fill];
	141
	142	NSPoint layoutLocation = [sm_cocoaNSLayoutManager locationForGlyphAtIndex:0];
	143	layoutLocation.x = 0.0;
	144	layoutLocation.y *= -1.0;
	145	layoutLocation.y += [[sm_cocoaNSLayoutManager typesetter] baselineOffsetInLayoutManager:sm_cocoaNSLayoutManager glyphIndex:0];
	146	// NOTE: That's NSMakePoint, not NSMakePint (working on that though)
	147	[sm_cocoaNSLayoutManager drawGlyphsForGlyphRange:glyphRange atPoint:layoutLocation];
	148
	149	[context restoreGraphicsState];
	150	}
	151
2894667f DE	152	// wxDCBase functions
	153	int wxDCBase::DeviceToLogicalX(int x) const
	154	{
	155	return x;
	156	}
	157
	158	int wxDCBase::DeviceToLogicalY(int y) const
	159	{
	160	return y;
	161	}
	162
	163	int wxDCBase::LogicalToDeviceX(int x) const
	164	{
	165	return x;
	166	}
	167
	168	int wxDCBase::LogicalToDeviceY(int y) const
	169	{
	170	return y;
	171	}
	172
891d0563 DE	173	///////////////////////////////////////////////////////////////////////////
	174	// cut here, the rest is stubs
	175	///////////////////////////////////////////////////////////////////////////
a24aff65 DE	176
	177	//-----------------------------------------------------------------------------
	178	// constants
	179	//-----------------------------------------------------------------------------
	180
	181	#define mm2inches 0.0393700787402
	182	#define inches2mm 25.4
	183	#define mm2twips 56.6929133859
	184	#define twips2mm 0.0176388888889
	185	#define mm2pt 2.83464566929
	186	#define pt2mm 0.352777777778
	187
	188	//-----------------------------------------------------------------------------
	189	// wxDC
	190	//-----------------------------------------------------------------------------
	191
a24aff65 DE	192	void wxDC::DoDrawIcon( const wxIcon &WXUNUSED(icon), int WXUNUSED(x), int WXUNUSED(y) )
	193	{
	194	};
	195
	196	void wxDC::DoDrawPoint( int x, int y )
	197	{
	198	};
	199
	200	void wxDC::DoDrawPolygon( int, wxPoint *, int, int, int)
	201	{
	202	};
	203
	204	void wxDC::DoDrawLines( int, wxPoint *, int, int )
	205	{
	206	}
	207
a24aff65 DE	208	int wxDC::GetDepth() const
	209	{
	210	return 0;
	211	}
	212
	213	wxSize wxDC::GetPPI() const
	214	{
	215	return wxSize(0,0);
	216	}
	217
	218	bool wxDC::CanGetTextExtent() const
	219	{
	220	return false;
	221	}
	222
a24aff65 DE	223	wxCoord wxDC::GetCharHeight() const
	224	{
	225	return 0;
	226	}
	227
	228	wxCoord wxDC::GetCharWidth() const
	229	{
	230	return 0;
	231	}
	232
	233	bool wxDC::CanDrawBitmap() const
	234	{
	235	return false;
	236	}
	237
	238	bool wxDC::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const
	239	{
	240	return false;
	241	}
	242
	243	void wxDC::DoDrawArc(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc)
	244	{
	245	}
	246
	247	void wxDC::SetPen(const wxPen& pen)
	248	{
	249	}
	250
	251	void wxDC::SetBrush(const wxBrush& brush)
	252	{
	253	}
	254
	255	void wxDC::DoSetClippingRegionAsRegion(const wxRegion& region)
	256	{
	257	}
	258
	259	void wxDC::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
	260	{
	261	}
	262
	263	void wxDC::DestroyClippingRegion()
	264	{
	265	}
	266
	267	void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
	268	{
	269	}
	270
	271	void wxDC::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
	272	{
	273	}
	274
	275	void wxDC::DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h, double sa, double ea)
	276	{
	277	}
	278
a24aff65 DE	279	void wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
	280	{
	281	}
	282
	283	void wxDC::DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask)
	284	{
	285	}
	286
	287	bool wxDC::DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, int style)
	288	{
	289	return false;
	290	}
	291
	292	void wxDC::DoCrossHair(wxCoord x, wxCoord y)
	293	{
	294	}
	295
a24aff65 DE	296
	297	bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height, wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop, bool useMask , wxCoord xsrcMask, wxCoord ysrcMask)
	298	{
	299	return false;
	300	}
	301
	302	void wxDC::DoGetSize( int* width, int* height ) const
	303	{
	304	*width = m_maxX-m_minX;
	305	*height = m_maxY-m_minY;
	306	};
	307
	308	void wxDC::DoGetSizeMM( int* width, int* height ) const
	309	{
	310	int w = 0;
	311	int h = 0;
	312	GetSize( &w, &h );
	313	};
	314
	315	void wxDC::SetTextForeground( const wxColour &col )
	316	{
	317	if (!Ok()) return;
	318	m_textForegroundColour = col;
	319	};
	320
	321	void wxDC::SetTextBackground( const wxColour &col )
	322	{
	323	if (!Ok()) return;
	324	m_textBackgroundColour = col;
	325	};
	326
	327	void wxDC::Clear()
	328	{
	329	}
	330
	331	void wxDC::SetBackground(const wxBrush&)
	332	{
	333	}
	334
	335	void wxDC::SetPalette(const wxPalette&)
	336	{
	337	}
	338
	339	void wxDC::SetLogicalFunction(int)
	340	{
	341	}
	342
	343
	344	void wxDC::SetMapMode( int mode )
	345	{
	346	switch (mode)
	347	{
	348	case wxMM_TWIPS:
	349	break;
	350	case wxMM_POINTS:
	351	break;
	352	case wxMM_METRIC:
	353	break;
	354	case wxMM_LOMETRIC:
	355	break;
	356	default:
	357	case wxMM_TEXT:
	358	SetLogicalScale( 1.0, 1.0 );
	359	break;
360	};
361	if (mode != wxMM_TEXT)
362	{
363	};
364	};
365
366	void wxDC::SetUserScale( double x, double y )
367	{
368	// allow negative ? -> no
369	m_userScaleX = x;
370	m_userScaleY = y;
371	ComputeScaleAndOrigin();
372	};
373
374	void wxDC::SetLogicalScale( double x, double y )
375	{
376	// allow negative ?
377	m_logicalScaleX = x;
378	m_logicalScaleY = y;
379	ComputeScaleAndOrigin();
380	};
381
382	void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y )
383	{
384	m_logicalOriginX = x * m_signX; // is this still correct ?
385	m_logicalOriginY = y * m_signY;
386	ComputeScaleAndOrigin();
387	};
388
389	void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
390	{
391	ComputeScaleAndOrigin();
392	};
393
394	void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
395	{
396	m_signX = (xLeftRight ? 1 : -1);
397	m_signY = (yBottomUp ? -1 : 1);
398	ComputeScaleAndOrigin();
399	};
400
401	void wxDC::ComputeScaleAndOrigin(void)
402	{
403	// CMB: copy scale to see if it changes
404	double origScaleX = m_scaleX;
405	double origScaleY = m_scaleY;
406
407	m_scaleX = m_logicalScaleX * m_userScaleX;
408	m_scaleY = m_logicalScaleY * m_userScaleY;
409
410	// CMB: if scale has changed call SetPen to recalulate the line width
411	if (m_scaleX != origScaleX \|\| m_scaleY != origScaleY)
412	{
413	// this is a bit artificial, but we need to force wxDC to think
414	// the pen has changed
415	wxPen* pen = & GetPen();
416	wxPen tempPen;
417	m_pen = tempPen;
418	SetPen(* pen);
419	}
420	};
421