[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"

#include "wx/cocoa/autorelease.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)];
    [m_textForegroundColour.GetNSColor() set];
    [bezpath stroke];
    [m_brush.GetNSColor() set];
    [bezpath fill];
}

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)];

    [m_textForegroundColour.GetNSColor() set];
    [bezpath stroke];
}

void wxDC::DoGetTextExtent(const wxString& text, wxCoord *x, wxCoord *y, wxCoord *descent, wxCoord *externalLeading, wxFont *theFont) const
{
    wxAutoNSAutoreleasePool pool;
// 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=(int)usedRect.size.width;
    if(y)
        *y=(int)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];

    // Set the color (and later font) attributes
    NSColor *fgColor = m_textForegroundColour.GetNSColor();
    NSColor *bgColor = m_textBackgroundColour.GetNSColor();
    if(!fgColor)
        fgColor = [NSColor clearColor];
    if(!bgColor)
        bgColor = [NSColor clearColor];
    NSDictionary *attrDict = [[NSDictionary alloc] initWithObjectsAndKeys:
            fgColor, NSForegroundColorAttributeName,
            bgColor, NSBackgroundColorAttributeName,
            nil];
    [sm_cocoaNSTextStorage addAttributes: attrDict range:NSMakeRange(0,[sm_cocoaNSTextStorage length])];
    [attrDict 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];
    #if 0
    // 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];
    #endif

    NSPoint layoutLocation = [sm_cocoaNSLayoutManager locationForGlyphAtIndex:0];
    layoutLocation.x = 0.0;
    layoutLocation.y *= -1.0;
    layoutLocation.y += [[sm_cocoaNSLayoutManager typesetter] baselineOffsetInLayoutManager:sm_cocoaNSLayoutManager glyphIndex:0];
    if(m_backgroundMode==wxSOLID)
        [sm_cocoaNSLayoutManager drawBackgroundForGlyphRange:glyphRange  atPoint:NSZeroPoint];
    [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)
{
    m_brush = 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& brush)
{
    m_backgroundBrush = brush;
}

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
7fc77f30 DE	15	#include "wx/cocoa/autorelease.h"
7fc77f30 DE	16
891d0563 DE	17	#import <AppKit/NSBezierPath.h>
	18	#import <AppKit/NSTextStorage.h>
	19	#import <AppKit/NSLayoutManager.h>
	20	#import <AppKit/NSTextContainer.h>
	21	#import <AppKit/NSGraphicsContext.h>
	22	#import <AppKit/NSAffineTransform.h>
	23	#import <AppKit/NSColor.h>
	24	#import <AppKit/NSTypeSetter.h>
	25
a24aff65	26	IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
891d0563 DE	27	wxDC *wxDC::sm_focusedDC = NULL;
	28	WX_NSTextStorage wxDC::sm_cocoaNSTextStorage = nil;
	29	WX_NSLayoutManager wxDC::sm_cocoaNSLayoutManager = nil;
	30	WX_NSTextContainer wxDC::sm_cocoaNSTextContainer = nil;
	31
	32	void wxDC::CocoaInitializeTextSystem()
	33	{
	34	wxASSERT_MSG(!sm_cocoaNSTextStorage && !sm_cocoaNSLayoutManager && !sm_cocoaNSTextContainer,"Text system already initalized! BAD PROGRAMMER!");
	35
	36	sm_cocoaNSTextStorage = [[NSTextStorage alloc] init];
	37
	38	sm_cocoaNSLayoutManager = [[NSLayoutManager alloc] init];
	39	[sm_cocoaNSTextStorage addLayoutManager:sm_cocoaNSLayoutManager];
	40	// NSTextStorage retains NSLayoutManager, but so do we
	41	// [sm_cocoaNSLayoutManager release]; [sm_cocoaNSLayoutManager retain];
	42
	43	// NOTE: initWithContainerSize is the designated initializer, but the
	44	// Apple CircleView sample gets away with just calling init, which
	45	// is all we really need for our purposes.
	46	sm_cocoaNSTextContainer = [[NSTextContainer alloc] init];
	47	[sm_cocoaNSLayoutManager addTextContainer:sm_cocoaNSTextContainer];
	48	// NSLayoutManager retains NSTextContainer, but so do we
	49	// [sm_cocoaNSTextContainer release]; [sm_cocoaNSTextContainer retain];
	50	}
	51
	52	void wxDC::CocoaShutdownTextSystem()
	53	{
	54	[sm_cocoaNSTextContainer release]; sm_cocoaNSTextContainer = nil;
	55	[sm_cocoaNSLayoutManager release]; sm_cocoaNSLayoutManager = nil;
	56	[sm_cocoaNSTextStorage release]; sm_cocoaNSTextStorage = nil;
	57	}
	58
	59	wxDC::wxDC(void)
	60	{
	61	}
	62
	63	wxDC::~wxDC(void)
	64	{
	65	}
	66
	67	void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
	68	{
	69	NSBezierPath *bezpath = [NSBezierPath bezierPathWithRect:NSMakeRect(x,y,width,height)];
c3b0c2c3	70	[m_textForegroundColour.GetNSColor() set];
891d0563	71	[bezpath stroke];
c3b0c2c3 DE	72	[m_brush.GetNSColor() set];
c3b0c2c3 DE	73	[bezpath fill];
891d0563 DE	74	}
	75
	76	void wxDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
	77	{
	78	NSBezierPath *bezpath = [NSBezierPath bezierPath];
	79	[bezpath moveToPoint:NSMakePoint(x1,y1)];
	80	[bezpath lineToPoint:NSMakePoint(x2,y2)];
c3b0c2c3 DE	81
c3b0c2c3 DE	82	[m_textForegroundColour.GetNSColor() set];
891d0563 DE	83	[bezpath stroke];
	84	}
	85
	86	void wxDC::DoGetTextExtent(const wxString& text, wxCoord x, wxCoord y, wxCoord descent, wxCoord externalLeading, wxFont *theFont) const
	87	{
7fc77f30	88	wxAutoNSAutoreleasePool pool;
891d0563 DE	89	// FIXME: Cache this so it can be used for DoDrawText
	90	wxASSERT_MSG(sm_cocoaNSTextStorage && sm_cocoaNSLayoutManager && sm_cocoaNSTextContainer, "Text system has not been initialized. BAD PROGRAMMER!");
	91	NSAttributedString *attributedString = [[NSAttributedString alloc]
	92	initWithString:[NSString stringWithCString:text.c_str()]];
	93	[sm_cocoaNSTextStorage setAttributedString:attributedString];
	94	[attributedString release];
	95
	96	NSRange glyphRange = [sm_cocoaNSLayoutManager glyphRangeForTextContainer:sm_cocoaNSTextContainer];
	97	NSRect usedRect = [sm_cocoaNSLayoutManager usedRectForTextContainer:sm_cocoaNSTextContainer];
	98	if(x)
dc483f61	99	*x=(int)usedRect.size.width;
891d0563	100	if(y)
dc483f61	101	*y=(int)usedRect.size.height;
891d0563 DE	102	if(descent)
	103	*descent=0;
	104	if(externalLeading)
	105	*externalLeading=0;
	106	}
	107
	108	void wxDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y)
	109	{
	110	wxASSERT_MSG(sm_cocoaNSTextStorage && sm_cocoaNSLayoutManager && sm_cocoaNSTextContainer, "Text system has not been initialized. BAD PROGRAMMER!");
	111	NSAttributedString *attributedString = [[NSAttributedString alloc]
	112	initWithString:[NSString stringWithCString:text.c_str()]];
	113	[sm_cocoaNSTextStorage setAttributedString:attributedString];
	114	[attributedString release];
	115
c0440c78 DE	116	// Set the color (and later font) attributes
	117	NSColor *fgColor = m_textForegroundColour.GetNSColor();
	118	NSColor *bgColor = m_textBackgroundColour.GetNSColor();
	119	if(!fgColor)
	120	fgColor = [NSColor clearColor];
	121	if(!bgColor)
	122	bgColor = [NSColor clearColor];
	123	NSDictionary *attrDict = [[NSDictionary alloc] initWithObjectsAndKeys:
	124	fgColor, NSForegroundColorAttributeName,
	125	bgColor, NSBackgroundColorAttributeName,
	126	nil];
	127	[sm_cocoaNSTextStorage addAttributes: attrDict range:NSMakeRange(0,[sm_cocoaNSTextStorage length])];
	128	[attrDict release];
	129
891d0563 DE	130	NSRange glyphRange = [sm_cocoaNSLayoutManager glyphRangeForTextContainer:sm_cocoaNSTextContainer];
891d0563 DE	131	NSRect usedRect = [sm_cocoaNSLayoutManager usedRectForTextContainer:sm_cocoaNSTextContainer];
13fc3db4 DE	132	// NOTE: We'll crash trying to get the location of glyphAtIndex:0 if
	133	// there is no length or we don't start at zero
	134	if(!glyphRange.length)
	135	return;
	136	wxASSERT_MSG(glyphRange.location==0,"glyphRange must begin at zero");
891d0563 DE	137
	138	NSAffineTransform *transform = [NSAffineTransform transform];
	139	[transform translateXBy:x yBy:y];
	140
	141	NSAffineTransform *flipTransform = [NSAffineTransform transform];
	142	/* x' = 1x + 0y + 0
	143	y' = 0x + -1y + window's height
	144	*/
	145	NSAffineTransformStruct matrix = {
	146	1, 0
	147	, 0, -1
	148	, 0, usedRect.size.height
	149	};
	150	[flipTransform setTransformStruct: matrix];
	151
	152	NSGraphicsContext *context = [NSGraphicsContext currentContext];
	153	[context saveGraphicsState];
	154	[transform concat];
	155	[flipTransform concat];
c3b0c2c3	156	#if 0
891d0563 DE	157	// Draw+fill a rectangle so we can see where the shit is supposed to be.
	158	wxLogDebug("(%f,%f) (%fx%f)",usedRect.origin.x,usedRect.origin.y,usedRect.size.width,usedRect.size.height);
	159	NSBezierPath *bezpath = [NSBezierPath bezierPathWithRect:NSMakeRect(0,0,usedRect.size.width,usedRect.size.height)];
	160	[[NSColor blackColor] set];
	161	[bezpath stroke];
	162	[[NSColor blueColor] set];
	163	[bezpath fill];
c3b0c2c3	164	#endif
891d0563 DE	165
	166	NSPoint layoutLocation = [sm_cocoaNSLayoutManager locationForGlyphAtIndex:0];
	167	layoutLocation.x = 0.0;
	168	layoutLocation.y *= -1.0;
	169	layoutLocation.y += [[sm_cocoaNSLayoutManager typesetter] baselineOffsetInLayoutManager:sm_cocoaNSLayoutManager glyphIndex:0];
c0440c78 DE	170	if(m_backgroundMode==wxSOLID)
c0440c78 DE	171	[sm_cocoaNSLayoutManager drawBackgroundForGlyphRange:glyphRange atPoint:NSZeroPoint];
891d0563 DE	172	[sm_cocoaNSLayoutManager drawGlyphsForGlyphRange:glyphRange atPoint:layoutLocation];
	173
	174	[context restoreGraphicsState];
	175	}
	176
2894667f DE	177	// wxDCBase functions
	178	int wxDCBase::DeviceToLogicalX(int x) const
	179	{
	180	return x;
	181	}
	182
	183	int wxDCBase::DeviceToLogicalY(int y) const
	184	{
	185	return y;
	186	}
	187
	188	int wxDCBase::LogicalToDeviceX(int x) const
	189	{
	190	return x;
	191	}
	192
	193	int wxDCBase::LogicalToDeviceY(int y) const
	194	{
	195	return y;
	196	}
	197
891d0563 DE	198	///////////////////////////////////////////////////////////////////////////
	199	// cut here, the rest is stubs
	200	///////////////////////////////////////////////////////////////////////////
a24aff65 DE	201
	202	//-----------------------------------------------------------------------------
	203	// constants
	204	//-----------------------------------------------------------------------------
	205
	206	#define mm2inches 0.0393700787402
	207	#define inches2mm 25.4
	208	#define mm2twips 56.6929133859
	209	#define twips2mm 0.0176388888889
	210	#define mm2pt 2.83464566929
	211	#define pt2mm 0.352777777778
	212
	213	//-----------------------------------------------------------------------------
	214	// wxDC
	215	//-----------------------------------------------------------------------------
	216
a24aff65 DE	217	void wxDC::DoDrawIcon( const wxIcon &WXUNUSED(icon), int WXUNUSED(x), int WXUNUSED(y) )
	218	{
	219	};
	220
	221	void wxDC::DoDrawPoint( int x, int y )
	222	{
	223	};
	224
	225	void wxDC::DoDrawPolygon( int, wxPoint *, int, int, int)
	226	{
	227	};
	228
	229	void wxDC::DoDrawLines( int, wxPoint *, int, int )
	230	{
	231	}
	232
a24aff65 DE	233	int wxDC::GetDepth() const
	234	{
	235	return 0;
	236	}
	237
	238	wxSize wxDC::GetPPI() const
	239	{
	240	return wxSize(0,0);
	241	}
	242
	243	bool wxDC::CanGetTextExtent() const
	244	{
	245	return false;
	246	}
	247
a24aff65 DE	248	wxCoord wxDC::GetCharHeight() const
	249	{
	250	return 0;
	251	}
	252
	253	wxCoord wxDC::GetCharWidth() const
	254	{
	255	return 0;
	256	}
	257
	258	bool wxDC::CanDrawBitmap() const
	259	{
	260	return false;
	261	}
	262
	263	bool wxDC::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const
	264	{
	265	return false;
	266	}
	267
	268	void wxDC::DoDrawArc(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc)
	269	{
	270	}
	271
	272	void wxDC::SetPen(const wxPen& pen)
	273	{
	274	}
	275
	276	void wxDC::SetBrush(const wxBrush& brush)
	277	{
c3b0c2c3	278	m_brush = brush;
a24aff65 DE	279	}
	280
	281	void wxDC::DoSetClippingRegionAsRegion(const wxRegion& region)
	282	{
	283	}
	284
	285	void wxDC::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
	286	{
	287	}
	288
	289	void wxDC::DestroyClippingRegion()
	290	{
	291	}
	292
	293	void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
	294	{
	295	}
	296
	297	void wxDC::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
	298	{
	299	}
	300
	301	void wxDC::DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h, double sa, double ea)
	302	{
	303	}
	304
a24aff65 DE	305	void wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
	306	{
	307	}
	308
	309	void wxDC::DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask)
	310	{
	311	}
	312
	313	bool wxDC::DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, int style)
	314	{
	315	return false;
	316	}
	317
	318	void wxDC::DoCrossHair(wxCoord x, wxCoord y)
	319	{
	320	}
	321
a24aff65 DE	322
	323	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)
	324	{
	325	return false;
	326	}
	327
	328	void wxDC::DoGetSize( int* width, int* height ) const
	329	{
	330	*width = m_maxX-m_minX;
	331	*height = m_maxY-m_minY;
	332	};
	333
	334	void wxDC::DoGetSizeMM( int* width, int* height ) const
	335	{
	336	int w = 0;
	337	int h = 0;
	338	GetSize( &w, &h );
	339	};
	340
	341	void wxDC::SetTextForeground( const wxColour &col )
	342	{
	343	if (!Ok()) return;
	344	m_textForegroundColour = col;
	345	};
	346
	347	void wxDC::SetTextBackground( const wxColour &col )
	348	{
	349	if (!Ok()) return;
	350	m_textBackgroundColour = col;
	351	};
	352
	353	void wxDC::Clear()
	354	{
	355	}
	356
7bc429ef	357	void wxDC::SetBackground(const wxBrush& brush)
a24aff65	358	{
7bc429ef	359	m_backgroundBrush = brush;
a24aff65 DE	360	}
	361
	362	void wxDC::SetPalette(const wxPalette&)
	363	{
	364	}
	365
	366	void wxDC::SetLogicalFunction(int)
	367	{
	368	}
	369
	370
	371	void wxDC::SetMapMode( int mode )
	372	{
	373	switch (mode)
	374	{
	375	case wxMM_TWIPS:
	376	break;
	377	case wxMM_POINTS:
	378	break;
	379	case wxMM_METRIC:
	380	break;
	381	case wxMM_LOMETRIC:
	382	break;
	383	default:
	384	case wxMM_TEXT:
	385	SetLogicalScale( 1.0, 1.0 );
	386	break;
	387	};
	388	if (mode != wxMM_TEXT)
	389	{
	390	};
	391	};
	392
	393	void wxDC::SetUserScale( double x, double y )
	394	{
	395	// allow negative ? -> no
	396	m_userScaleX = x;
	397	m_userScaleY = y;
	398	ComputeScaleAndOrigin();
	399	};
	400
	401	void wxDC::SetLogicalScale( double x, double y )
	402	{
	403	// allow negative ?
	404	m_logicalScaleX = x;
	405	m_logicalScaleY = y;
	406	ComputeScaleAndOrigin();
	407	};
	408
	409	void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y )
	410	{
	411	m_logicalOriginX = x * m_signX; // is this still correct ?
	412	m_logicalOriginY = y * m_signY;
	413	ComputeScaleAndOrigin();
	414	};
	415
	416	void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
	417	{
	418	ComputeScaleAndOrigin();
	419	};
	420
	421	void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
	422	{
	423	m_signX = (xLeftRight ? 1 : -1);
424	m_signY = (yBottomUp ? -1 : 1);
425	ComputeScaleAndOrigin();
426	};
427
428	void wxDC::ComputeScaleAndOrigin(void)
429	{
430	// CMB: copy scale to see if it changes
431	double origScaleX = m_scaleX;
432	double origScaleY = m_scaleY;
433
434	m_scaleX = m_logicalScaleX * m_userScaleX;
435	m_scaleY = m_logicalScaleY * m_userScaleY;
436
437	// CMB: if scale has changed call SetPen to recalulate the line width
438	if (m_scaleX != origScaleX \|\| m_scaleY != origScaleY)
439	{
440	// this is a bit artificial, but we need to force wxDC to think
441	// the pen has changed
442	wxPen* pen = & GetPen();
443	wxPen tempPen;
444	m_pen = tempPen;
445	SetPen(* pen);
446	}
447	};
448