[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>
#import <AppKit/NSImage.h>

#include <wx/listimpl.cpp>
WX_DEFINE_LIST(wxCocoaDCStack);

IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
WX_NSTextStorage wxDC::sm_cocoaNSTextStorage = nil;
WX_NSLayoutManager wxDC::sm_cocoaNSLayoutManager = nil;
WX_NSTextContainer wxDC::sm_cocoaNSTextContainer = nil;
wxCocoaDCStack wxDC::sm_cocoaDCStack;

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;
}

void wxDC::CocoaUnwindStackAndLoseFocus()
{
    wxCocoaDCStack::Node *ourNode=sm_cocoaDCStack.Find(this);
    if(ourNode)
    {
        wxCocoaDCStack::Node *node=sm_cocoaDCStack.GetFirst();
        for(;node!=ourNode; node=sm_cocoaDCStack.GetFirst())
        {
            wxDC *dc = node->GetData();
            wxASSERT(dc);
            wxASSERT(dc!=this);
            if(!dc->CocoaUnlockFocus())
            {
                wxFAIL_MSG("Unable to unlock focus on higher-level DC!");
            }
            sm_cocoaDCStack.DeleteNode(node);
        }
        wxASSERT(node==ourNode);
        wxASSERT(ourNode->GetData() == this);
        ourNode->GetData()->CocoaUnlockFocus();
        sm_cocoaDCStack.DeleteNode(ourNode);
    }
}

bool wxDC::CocoaUnwindStackAndTakeFocus()
{
    wxCocoaDCStack::Node *node=sm_cocoaDCStack.GetFirst();
    for(;node;node = sm_cocoaDCStack.GetFirst())
    {
        wxDC *dc = node->GetData();
        wxASSERT(dc);
        // If we're on the stack, then it's unwound enough and we have focus
        if(dc==this)
            return true;
        // If unable to unlockFocus (e.g. wxPaintDC) stop here
        if(!dc->CocoaUnlockFocus())
            break;
        sm_cocoaDCStack.DeleteNode(node);
    }
    return CocoaLockFocus();
}

wxDC::wxDC(void)
{
    m_cocoaFlipped = false;
    m_cocoaHeight = 0.0;
}

wxDC::~wxDC(void)
{
}

bool wxDC::CocoaLockFocus()
{
    return false;
}

bool wxDC::CocoaUnlockFocus()
{
    return false;
}

void wxDC::CocoaApplyTransformations()
{
    // This transform flips the graphics since wxDC uses top-left origin
    if(!m_cocoaFlipped)
    {
        // The transform is auto released
        NSAffineTransform *transform = [NSAffineTransform transform];
        /*  x' = 1x + 0y + 0
            y' = 0x + -1y + window's height
        */
        NSAffineTransformStruct matrix = {
            1,  0
        ,   0, -1
        ,   0, m_cocoaHeight
        };
        [transform setTransformStruct: matrix];
        // Apply the transform 
        [transform concat];
    }
    // TODO: Apply scaling transformation
}

void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
{
    if(!CocoaTakeFocus()) return;
    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)
{
    if(!CocoaTakeFocus()) return;
    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)
{
    if(!CocoaTakeFocus()) return;
    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 true;
}

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)
{
    if(!CocoaTakeFocus()) return;
    if(!bmp.Ok())
        return;

#if 0
    // Draw a rect so we can see where it's supposed to be
    wxLogDebug("image at (%d,%d) size %dx%d",x,y,bmp.GetWidth(),bmp.GetHeight());
    NSBezierPath *bezpath = [NSBezierPath bezierPathWithRect:NSMakeRect(x,y,bmp.GetWidth(),bmp.GetHeight())];
    [[NSColor blackColor] set];
    [bezpath stroke];
    [[NSColor blueColor] set];
    [bezpath fill];
#endif // 0

    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, bmp.GetHeight()
    };
    [flipTransform setTransformStruct: matrix];

    NSGraphicsContext *context = [NSGraphicsContext currentContext];
    [context saveGraphicsState];
    [transform concat];
    [flipTransform concat];

    NSImage *nsimage = [[NSImage alloc]
            initWithSize:NSMakeSize(bmp.GetWidth(), bmp.GetHeight())];
    [nsimage addRepresentation: const_cast<wxBitmap&>(bmp).GetNSBitmapImageRep()];
    [nsimage drawAtPoint: NSMakePoint(0,0)
        fromRect: NSMakeRect(0.0,0.0,bmp.GetWidth(),bmp.GetHeight())
        operation: NSCompositeCopy
        fraction: 1.0];
        
    [nsimage release];
    [context restoreGraphicsState];
}

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>
1fd17880	25	#import <AppKit/NSImage.h>
891d0563	26
fe8f7943 DE	27	#include <wx/listimpl.cpp>
	28	WX_DEFINE_LIST(wxCocoaDCStack);
	29
a24aff65	30	IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
891d0563 DE	31	WX_NSTextStorage wxDC::sm_cocoaNSTextStorage = nil;
	32	WX_NSLayoutManager wxDC::sm_cocoaNSLayoutManager = nil;
	33	WX_NSTextContainer wxDC::sm_cocoaNSTextContainer = nil;
fe8f7943	34	wxCocoaDCStack wxDC::sm_cocoaDCStack;
891d0563 DE	35
	36	void wxDC::CocoaInitializeTextSystem()
	37	{
	38	wxASSERT_MSG(!sm_cocoaNSTextStorage && !sm_cocoaNSLayoutManager && !sm_cocoaNSTextContainer,"Text system already initalized! BAD PROGRAMMER!");
	39
	40	sm_cocoaNSTextStorage = [[NSTextStorage alloc] init];
	41
	42	sm_cocoaNSLayoutManager = [[NSLayoutManager alloc] init];
	43	[sm_cocoaNSTextStorage addLayoutManager:sm_cocoaNSLayoutManager];
	44	// NSTextStorage retains NSLayoutManager, but so do we
	45	// [sm_cocoaNSLayoutManager release]; [sm_cocoaNSLayoutManager retain];
	46
	47	// NOTE: initWithContainerSize is the designated initializer, but the
	48	// Apple CircleView sample gets away with just calling init, which
	49	// is all we really need for our purposes.
	50	sm_cocoaNSTextContainer = [[NSTextContainer alloc] init];
	51	[sm_cocoaNSLayoutManager addTextContainer:sm_cocoaNSTextContainer];
	52	// NSLayoutManager retains NSTextContainer, but so do we
	53	// [sm_cocoaNSTextContainer release]; [sm_cocoaNSTextContainer retain];
	54	}
	55
	56	void wxDC::CocoaShutdownTextSystem()
	57	{
	58	[sm_cocoaNSTextContainer release]; sm_cocoaNSTextContainer = nil;
	59	[sm_cocoaNSLayoutManager release]; sm_cocoaNSLayoutManager = nil;
	60	[sm_cocoaNSTextStorage release]; sm_cocoaNSTextStorage = nil;
	61	}
	62
fe8f7943 DE	63	void wxDC::CocoaUnwindStackAndLoseFocus()
	64	{
	65	wxCocoaDCStack::Node *ourNode=sm_cocoaDCStack.Find(this);
	66	if(ourNode)
	67	{
	68	wxCocoaDCStack::Node *node=sm_cocoaDCStack.GetFirst();
	69	for(;node!=ourNode; node=sm_cocoaDCStack.GetFirst())
	70	{
	71	wxDC *dc = node->GetData();
	72	wxASSERT(dc);
	73	wxASSERT(dc!=this);
	74	if(!dc->CocoaUnlockFocus())
	75	{
	76	wxFAIL_MSG("Unable to unlock focus on higher-level DC!");
	77	}
	78	sm_cocoaDCStack.DeleteNode(node);
	79	}
	80	wxASSERT(node==ourNode);
	81	wxASSERT(ourNode->GetData() == this);
	82	ourNode->GetData()->CocoaUnlockFocus();
	83	sm_cocoaDCStack.DeleteNode(ourNode);
	84	}
	85	}
	86
	87	bool wxDC::CocoaUnwindStackAndTakeFocus()
	88	{
	89	wxCocoaDCStack::Node *node=sm_cocoaDCStack.GetFirst();
	90	for(;node;node = sm_cocoaDCStack.GetFirst())
	91	{
	92	wxDC *dc = node->GetData();
	93	wxASSERT(dc);
	94	// If we're on the stack, then it's unwound enough and we have focus
	95	if(dc==this)
	96	return true;
	97	// If unable to unlockFocus (e.g. wxPaintDC) stop here
	98	if(!dc->CocoaUnlockFocus())
	99	break;
	100	sm_cocoaDCStack.DeleteNode(node);
	101	}
	102	return CocoaLockFocus();
	103	}
	104
891d0563 DE	105	wxDC::wxDC(void)
891d0563 DE	106	{
fe8f7943 DE	107	m_cocoaFlipped = false;
fe8f7943 DE	108	m_cocoaHeight = 0.0;
891d0563 DE	109	}
	110
	111	wxDC::~wxDC(void)
	112	{
	113	}
	114
fe8f7943 DE	115	bool wxDC::CocoaLockFocus()
	116	{
	117	return false;
	118	}
	119
	120	bool wxDC::CocoaUnlockFocus()
	121	{
	122	return false;
	123	}
	124
	125	void wxDC::CocoaApplyTransformations()
	126	{
	127	// This transform flips the graphics since wxDC uses top-left origin
	128	if(!m_cocoaFlipped)
	129	{
	130	// The transform is auto released
	131	NSAffineTransform *transform = [NSAffineTransform transform];
	132	/* x' = 1x + 0y + 0
	133	y' = 0x + -1y + window's height
	134	*/
	135	NSAffineTransformStruct matrix = {
	136	1, 0
	137	, 0, -1
	138	, 0, m_cocoaHeight
	139	};
	140	[transform setTransformStruct: matrix];
	141	// Apply the transform
	142	[transform concat];
	143	}
	144	// TODO: Apply scaling transformation
	145	}
	146
891d0563 DE	147	void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
891d0563 DE	148	{
fe8f7943	149	if(!CocoaTakeFocus()) return;
891d0563	150	NSBezierPath *bezpath = [NSBezierPath bezierPathWithRect:NSMakeRect(x,y,width,height)];
c3b0c2c3	151	[m_textForegroundColour.GetNSColor() set];
891d0563	152	[bezpath stroke];
c3b0c2c3 DE	153	[m_brush.GetNSColor() set];
c3b0c2c3 DE	154	[bezpath fill];
891d0563 DE	155	}
	156
	157	void wxDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
	158	{
fe8f7943	159	if(!CocoaTakeFocus()) return;
891d0563 DE	160	NSBezierPath *bezpath = [NSBezierPath bezierPath];
	161	[bezpath moveToPoint:NSMakePoint(x1,y1)];
	162	[bezpath lineToPoint:NSMakePoint(x2,y2)];
c3b0c2c3 DE	163
c3b0c2c3 DE	164	[m_textForegroundColour.GetNSColor() set];
891d0563 DE	165	[bezpath stroke];
	166	}
	167
	168	void wxDC::DoGetTextExtent(const wxString& text, wxCoord x, wxCoord y, wxCoord descent, wxCoord externalLeading, wxFont *theFont) const
	169	{
7fc77f30	170	wxAutoNSAutoreleasePool pool;
891d0563 DE	171	// FIXME: Cache this so it can be used for DoDrawText
	172	wxASSERT_MSG(sm_cocoaNSTextStorage && sm_cocoaNSLayoutManager && sm_cocoaNSTextContainer, "Text system has not been initialized. BAD PROGRAMMER!");
	173	NSAttributedString *attributedString = [[NSAttributedString alloc]
	174	initWithString:[NSString stringWithCString:text.c_str()]];
	175	[sm_cocoaNSTextStorage setAttributedString:attributedString];
	176	[attributedString release];
	177
	178	NSRange glyphRange = [sm_cocoaNSLayoutManager glyphRangeForTextContainer:sm_cocoaNSTextContainer];
	179	NSRect usedRect = [sm_cocoaNSLayoutManager usedRectForTextContainer:sm_cocoaNSTextContainer];
	180	if(x)
dc483f61	181	*x=(int)usedRect.size.width;
891d0563	182	if(y)
dc483f61	183	*y=(int)usedRect.size.height;
891d0563 DE	184	if(descent)
	185	*descent=0;
	186	if(externalLeading)
	187	*externalLeading=0;
	188	}
	189
	190	void wxDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y)
	191	{
fe8f7943	192	if(!CocoaTakeFocus()) return;
891d0563 DE	193	wxASSERT_MSG(sm_cocoaNSTextStorage && sm_cocoaNSLayoutManager && sm_cocoaNSTextContainer, "Text system has not been initialized. BAD PROGRAMMER!");
	194	NSAttributedString *attributedString = [[NSAttributedString alloc]
	195	initWithString:[NSString stringWithCString:text.c_str()]];
	196	[sm_cocoaNSTextStorage setAttributedString:attributedString];
	197	[attributedString release];
	198
c0440c78 DE	199	// Set the color (and later font) attributes
	200	NSColor *fgColor = m_textForegroundColour.GetNSColor();
	201	NSColor *bgColor = m_textBackgroundColour.GetNSColor();
	202	if(!fgColor)
	203	fgColor = [NSColor clearColor];
	204	if(!bgColor)
	205	bgColor = [NSColor clearColor];
	206	NSDictionary *attrDict = [[NSDictionary alloc] initWithObjectsAndKeys:
	207	fgColor, NSForegroundColorAttributeName,
	208	bgColor, NSBackgroundColorAttributeName,
	209	nil];
	210	[sm_cocoaNSTextStorage addAttributes: attrDict range:NSMakeRange(0,[sm_cocoaNSTextStorage length])];
	211	[attrDict release];
	212
891d0563 DE	213	NSRange glyphRange = [sm_cocoaNSLayoutManager glyphRangeForTextContainer:sm_cocoaNSTextContainer];
891d0563 DE	214	NSRect usedRect = [sm_cocoaNSLayoutManager usedRectForTextContainer:sm_cocoaNSTextContainer];
13fc3db4 DE	215	// NOTE: We'll crash trying to get the location of glyphAtIndex:0 if
	216	// there is no length or we don't start at zero
	217	if(!glyphRange.length)
	218	return;
	219	wxASSERT_MSG(glyphRange.location==0,"glyphRange must begin at zero");
891d0563 DE	220
	221	NSAffineTransform *transform = [NSAffineTransform transform];
	222	[transform translateXBy:x yBy:y];
	223
	224	NSAffineTransform *flipTransform = [NSAffineTransform transform];
	225	/* x' = 1x + 0y + 0
	226	y' = 0x + -1y + window's height
	227	*/
	228	NSAffineTransformStruct matrix = {
	229	1, 0
	230	, 0, -1
	231	, 0, usedRect.size.height
	232	};
	233	[flipTransform setTransformStruct: matrix];
	234
	235	NSGraphicsContext *context = [NSGraphicsContext currentContext];
	236	[context saveGraphicsState];
	237	[transform concat];
	238	[flipTransform concat];
c3b0c2c3	239	#if 0
891d0563 DE	240	// Draw+fill a rectangle so we can see where the shit is supposed to be.
	241	wxLogDebug("(%f,%f) (%fx%f)",usedRect.origin.x,usedRect.origin.y,usedRect.size.width,usedRect.size.height);
	242	NSBezierPath *bezpath = [NSBezierPath bezierPathWithRect:NSMakeRect(0,0,usedRect.size.width,usedRect.size.height)];
	243	[[NSColor blackColor] set];
	244	[bezpath stroke];
	245	[[NSColor blueColor] set];
	246	[bezpath fill];
c3b0c2c3	247	#endif
891d0563 DE	248
	249	NSPoint layoutLocation = [sm_cocoaNSLayoutManager locationForGlyphAtIndex:0];
	250	layoutLocation.x = 0.0;
	251	layoutLocation.y *= -1.0;
	252	layoutLocation.y += [[sm_cocoaNSLayoutManager typesetter] baselineOffsetInLayoutManager:sm_cocoaNSLayoutManager glyphIndex:0];
c0440c78 DE	253	if(m_backgroundMode==wxSOLID)
c0440c78 DE	254	[sm_cocoaNSLayoutManager drawBackgroundForGlyphRange:glyphRange atPoint:NSZeroPoint];
891d0563 DE	255	[sm_cocoaNSLayoutManager drawGlyphsForGlyphRange:glyphRange atPoint:layoutLocation];
	256
	257	[context restoreGraphicsState];
	258	}
	259
2894667f DE	260	// wxDCBase functions
	261	int wxDCBase::DeviceToLogicalX(int x) const
	262	{
	263	return x;
	264	}
	265
	266	int wxDCBase::DeviceToLogicalY(int y) const
	267	{
	268	return y;
	269	}
	270
	271	int wxDCBase::LogicalToDeviceX(int x) const
	272	{
	273	return x;
	274	}
	275
	276	int wxDCBase::LogicalToDeviceY(int y) const
	277	{
	278	return y;
	279	}
	280
891d0563 DE	281	///////////////////////////////////////////////////////////////////////////
	282	// cut here, the rest is stubs
	283	///////////////////////////////////////////////////////////////////////////
a24aff65 DE	284
	285	//-----------------------------------------------------------------------------
	286	// constants
	287	//-----------------------------------------------------------------------------
	288
	289	#define mm2inches 0.0393700787402
	290	#define inches2mm 25.4
	291	#define mm2twips 56.6929133859
	292	#define twips2mm 0.0176388888889
	293	#define mm2pt 2.83464566929
	294	#define pt2mm 0.352777777778
	295
	296	//-----------------------------------------------------------------------------
	297	// wxDC
	298	//-----------------------------------------------------------------------------
	299
a24aff65 DE	300	void wxDC::DoDrawIcon( const wxIcon &WXUNUSED(icon), int WXUNUSED(x), int WXUNUSED(y) )
	301	{
	302	};
	303
	304	void wxDC::DoDrawPoint( int x, int y )
	305	{
	306	};
	307
	308	void wxDC::DoDrawPolygon( int, wxPoint *, int, int, int)
	309	{
	310	};
	311
	312	void wxDC::DoDrawLines( int, wxPoint *, int, int )
	313	{
	314	}
	315
a24aff65 DE	316	int wxDC::GetDepth() const
	317	{
	318	return 0;
	319	}
	320
	321	wxSize wxDC::GetPPI() const
	322	{
	323	return wxSize(0,0);
	324	}
	325
	326	bool wxDC::CanGetTextExtent() const
	327	{
	328	return false;
	329	}
	330
a24aff65 DE	331	wxCoord wxDC::GetCharHeight() const
	332	{
	333	return 0;
	334	}
	335
	336	wxCoord wxDC::GetCharWidth() const
	337	{
	338	return 0;
	339	}
	340
	341	bool wxDC::CanDrawBitmap() const
	342	{
1fd17880	343	return true;
a24aff65 DE	344	}
	345
	346	bool wxDC::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const
	347	{
	348	return false;
	349	}
	350
	351	void wxDC::DoDrawArc(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc)
	352	{
	353	}
	354
	355	void wxDC::SetPen(const wxPen& pen)
	356	{
	357	}
	358
	359	void wxDC::SetBrush(const wxBrush& brush)
	360	{
c3b0c2c3	361	m_brush = brush;
a24aff65 DE	362	}
	363
	364	void wxDC::DoSetClippingRegionAsRegion(const wxRegion& region)
	365	{
	366	}
	367
	368	void wxDC::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
	369	{
	370	}
	371
	372	void wxDC::DestroyClippingRegion()
	373	{
	374	}
	375
	376	void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
	377	{
	378	}
	379
	380	void wxDC::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
	381	{
	382	}
	383
	384	void wxDC::DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h, double sa, double ea)
	385	{
	386	}
	387
a24aff65 DE	388	void wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
	389	{
	390	}
	391
	392	void wxDC::DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask)
	393	{
fe8f7943	394	if(!CocoaTakeFocus()) return;
1fd17880 DE	395	if(!bmp.Ok())
	396	return;
	397
	398	#if 0
	399	// Draw a rect so we can see where it's supposed to be
	400	wxLogDebug("image at (%d,%d) size %dx%d",x,y,bmp.GetWidth(),bmp.GetHeight());
	401	NSBezierPath *bezpath = [NSBezierPath bezierPathWithRect:NSMakeRect(x,y,bmp.GetWidth(),bmp.GetHeight())];
	402	[[NSColor blackColor] set];
	403	[bezpath stroke];
	404	[[NSColor blueColor] set];
	405	[bezpath fill];
	406	#endif // 0
	407
	408	NSAffineTransform *transform = [NSAffineTransform transform];
	409	[transform translateXBy:x yBy:y];
	410
	411	NSAffineTransform *flipTransform = [NSAffineTransform transform];
	412	/* x' = 1x + 0y + 0
	413	y' = 0x + -1y + window's height
	414	*/
	415	NSAffineTransformStruct matrix = {
	416	1, 0
	417	, 0, -1
	418	, 0, bmp.GetHeight()
	419	};
	420	[flipTransform setTransformStruct: matrix];
	421
	422	NSGraphicsContext *context = [NSGraphicsContext currentContext];
	423	[context saveGraphicsState];
	424	[transform concat];
	425	[flipTransform concat];
	426
	427	NSImage *nsimage = [[NSImage alloc]
	428	initWithSize:NSMakeSize(bmp.GetWidth(), bmp.GetHeight())];
	429	[nsimage addRepresentation: const_cast<wxBitmap&>(bmp).GetNSBitmapImageRep()];
	430	[nsimage drawAtPoint: NSMakePoint(0,0)
	431	fromRect: NSMakeRect(0.0,0.0,bmp.GetWidth(),bmp.GetHeight())
	432	operation: NSCompositeCopy
	433	fraction: 1.0];
	434
	435	[nsimage release];
	436	[context restoreGraphicsState];
a24aff65 DE	437	}
	438
	439	bool wxDC::DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, int style)
	440	{
	441	return false;
	442	}
	443
	444	void wxDC::DoCrossHair(wxCoord x, wxCoord y)
	445	{
	446	}
	447
a24aff65 DE	448
	449	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)
	450	{
	451	return false;
	452	}
	453
	454	void wxDC::DoGetSize( int* width, int* height ) const
	455	{
	456	*width = m_maxX-m_minX;
	457	*height = m_maxY-m_minY;
	458	};
	459
	460	void wxDC::DoGetSizeMM( int* width, int* height ) const
	461	{
	462	int w = 0;
	463	int h = 0;
	464	GetSize( &w, &h );
	465	};
	466
	467	void wxDC::SetTextForeground( const wxColour &col )
	468	{
	469	if (!Ok()) return;
	470	m_textForegroundColour = col;
	471	};
	472
	473	void wxDC::SetTextBackground( const wxColour &col )
	474	{
	475	if (!Ok()) return;
	476	m_textBackgroundColour = col;
	477	};
	478
	479	void wxDC::Clear()
	480	{
	481	}
	482
7bc429ef	483	void wxDC::SetBackground(const wxBrush& brush)
a24aff65	484	{
7bc429ef	485	m_backgroundBrush = brush;
a24aff65 DE	486	}
	487
	488	void wxDC::SetPalette(const wxPalette&)
	489	{
	490	}
	491
	492	void wxDC::SetLogicalFunction(int)
	493	{
	494	}
	495
	496
	497	void wxDC::SetMapMode( int mode )
	498	{
	499	switch (mode)
	500	{
	501	case wxMM_TWIPS:
	502	break;
	503	case wxMM_POINTS:
	504	break;
	505	case wxMM_METRIC:
	506	break;
	507	case wxMM_LOMETRIC:
	508	break;
	509	default:
	510	case wxMM_TEXT:
	511	SetLogicalScale( 1.0, 1.0 );
	512	break;
	513	};
	514	if (mode != wxMM_TEXT)
	515	{
	516	};
	517	};
	518
	519	void wxDC::SetUserScale( double x, double y )
	520	{
	521	// allow negative ? -> no
	522	m_userScaleX = x;
	523	m_userScaleY = y;
	524	ComputeScaleAndOrigin();
	525	};
	526
	527	void wxDC::SetLogicalScale( double x, double y )
	528	{
	529	// allow negative ?
	530	m_logicalScaleX = x;
	531	m_logicalScaleY = y;
	532	ComputeScaleAndOrigin();
	533	};
	534
	535	void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y )
	536	{
	537	m_logicalOriginX = x * m_signX; // is this still correct ?
	538	m_logicalOriginY = y * m_signY;
	539	ComputeScaleAndOrigin();
	540	};
	541
	542	void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
	543	{
	544	ComputeScaleAndOrigin();
	545	};
	546
	547	void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
	548	{
	549	m_signX = (xLeftRight ? 1 : -1);
550	m_signY = (yBottomUp ? -1 : 1);
551	ComputeScaleAndOrigin();
552	};
553
554	void wxDC::ComputeScaleAndOrigin(void)
555	{
556	// CMB: copy scale to see if it changes
557	double origScaleX = m_scaleX;
558	double origScaleY = m_scaleY;
559
560	m_scaleX = m_logicalScaleX * m_userScaleX;
561	m_scaleY = m_logicalScaleY * m_userScaleY;
562
563	// CMB: if scale has changed call SetPen to recalulate the line width
564	if (m_scaleX != origScaleX \|\| m_scaleY != origScaleY)
565	{
566	// this is a bit artificial, but we need to force wxDC to think
567	// the pen has changed
568	wxPen* pen = & GetPen();
569	wxPen tempPen;
570	m_pen = tempPen;
571	SetPen(* pen);
572	}
573	};
574