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a3e949b5518c6d933167ae4ed7be334471e5c4b9
wxWidgets/src/mac/carbon/dcclient.cpp
Stefan Csomor a3e949b551 remove unneeded code 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@42667 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2006-10-29 20:51:34 +00:00

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/////////////////////////////////////////////////////////////////////////////
// Name: src/mac/carbon/dcclient.cpp
// Purpose: wxClientDC class
// Author: Stefan Csomor
// Modified by:
// Created: 01/02/97
// RCS-ID: $Id$
// Copyright: (c) Stefan Csomor
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#include "wx/wxprec.h"
#include "wx/dcclient.h"
#ifndef WX_PRECOMP
#include "wx/log.h"
#include "wx/window.h"
#include "wx/dcmemory.h"
#include "wx/settings.h"
#include "wx/toplevel.h"
#include "wx/math.h"
#include "wx/region.h"
#endif
#include "wx/graphics.h"
#include "wx/rawbmp.h"
#include "wx/mac/private.h"
//-----------------------------------------------------------------------------
// constants
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// wxPaintDC
//-----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)
IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC)
IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxWindowDC)
/*
* wxWindowDC
*/
#include "wx/mac/uma.h"
#include "wx/notebook.h"
#include "wx/tabctrl.h"
static wxBrush MacGetBackgroundBrush( wxWindow* window )
{
wxBrush bkdBrush = window->MacGetBackgroundBrush() ;
#if !TARGET_API_MAC_OSX
// transparency cannot be handled by the OS when not using composited windows
wxWindow* parent = window->GetParent() ;
// if we have some 'pseudo' transparency
if ( ! bkdBrush.Ok() || bkdBrush.GetStyle() == wxTRANSPARENT || window->GetBackgroundColour() == wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE ) )
{
// walk up until we find something
while ( parent != NULL )
{
if ( parent->GetBackgroundColour() != wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE ) )
{
// if we have any other colours in the hierarchy
bkdBrush.SetColour( parent->GetBackgroundColour() ) ;
break ;
}
if ( parent->IsKindOf( CLASSINFO(wxTopLevelWindow) ) )
{
bkdBrush = parent->MacGetBackgroundBrush() ;
break ;
}
if ( parent->IsKindOf( CLASSINFO( wxNotebook ) )
#if wxUSE_TAB_DIALOG
|| parent->IsKindOf( CLASSINFO( wxTabCtrl ) )
#endif // wxUSE_TAB_DIALOG
)
{
Rect extent = { 0 , 0 , 0 , 0 } ;
int x , y ;
x = y = 0 ;
wxSize size = parent->GetSize() ;
parent->MacClientToRootWindow( &x , &y ) ;
extent.left = x ;
extent.top = y ;
extent.top-- ;
extent.right = x + size.x ;
extent.bottom = y + size.y ;
bkdBrush.MacSetThemeBackground( kThemeBackgroundTabPane , (WXRECTPTR) &extent ) ;
break ;
}
parent = parent->GetParent() ;
}
}
if ( !bkdBrush.Ok() || bkdBrush.GetStyle() == wxTRANSPARENT )
{
// if we did not find something, use a default
bkdBrush.MacSetTheme( kThemeBrushDialogBackgroundActive ) ;
}
#endif
return bkdBrush ;
}
wxWindowDC::wxWindowDC()
{
m_window = NULL ;
}
wxWindowDC::wxWindowDC(wxWindow *window)
{
m_window = window ;
wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
if (!rootwindow)
return;
m_ok = true ;
#if wxMAC_USE_CORE_GRAPHICS
m_window->GetSize( &m_width , &m_height);
CGContextRef cg = (CGContextRef) window->MacGetCGContextRef();
m_release = false;
if ( cg == NULL )
{
SetGraphicsContext( wxGraphicsContext::Create( window ) ) ;
}
else
{
CGContextSaveGState( cg );
m_release = true ;
// make sure the context is having its origin at the wx-window coordinates of the
// view (read at the top of window.cpp about the differences)
if ( window->MacGetLeftBorderSize() != 0 || window->MacGetTopBorderSize() != 0 )
CGContextTranslateCTM( cg , -window->MacGetLeftBorderSize() , -window->MacGetTopBorderSize() );
SetGraphicsContext( wxGraphicsContext::CreateFromNative( cg ) );
}
m_graphicContext->SetPen( m_pen ) ;
m_graphicContext->SetBrush( m_brush ) ;
SetClippingRegion( 0 , 0 , m_width , m_height ) ;
#else
int x , y ;
x = y = 0 ;
window->MacWindowToRootWindow( &x , &y ) ;
m_macLocalOrigin.x = x ;
m_macLocalOrigin.y = y ;
m_macPort = UMAGetWindowPort( (WindowRef) rootwindow->MacGetWindowRef() ) ;
CopyRgn( (RgnHandle) window->MacGetVisibleRegion(true).GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
#endif
SetBackground(MacGetBackgroundBrush(window));
SetFont( window->GetFont() ) ;
}
wxWindowDC::~wxWindowDC()
{
#if wxMAC_USE_CORE_GRAPHICS
if ( m_release && m_graphicContext )
{
CGContextRef cg = (CGContextRef) m_window->MacGetCGContextRef();
CGContextRestoreGState(cg);
//CGContextRef cg = (CGContextRef) m_graphicContext->GetNativeContext() ;
}
#endif
}
void wxWindowDC::DoGetSize( int* width, int* height ) const
{
#if wxMAC_USE_CORE_GRAPHICS
if ( width )
*width = m_width;
if ( height )
*height = m_height;
#else
wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
m_window->GetSize(width, height);
#endif
}
wxBitmap wxWindowDC::DoGetAsBitmap(const wxRect *subrect) const
{
ControlRef handle = (ControlRef) m_window->GetHandle();
if ( !handle )
return wxNullBitmap;
HIRect rect;
CGImageRef image;
CGContextRef context;
void* data;
size_t bytesPerRow;
HIViewCreateOffscreenImage( handle, 0, &rect, &image);
int width = subrect != NULL ? subrect->width : rect.size.width;
int height = subrect != NULL ? subrect->height : rect.size.height ;
bytesPerRow = ( ( width * 8 * 4 + 7 ) / 8 );
data = calloc( 1, bytesPerRow * height );
context = CGBitmapContextCreate( data, width, height, 8, bytesPerRow, CGColorSpaceCreateDeviceRGB(), kCGImageAlphaPremultipliedFirst );
if ( subrect )
rect = CGRectOffset( rect, -subrect->x, -subrect->y ) ;
CGContextDrawImage( context, rect, image );
unsigned char* buffer = (unsigned char*) data;
wxBitmap bmp = wxBitmap(width, height, 32);
wxAlphaPixelData pixData(bmp, wxPoint(0,0), wxSize(width, height));
pixData.UseAlpha();
wxAlphaPixelData::Iterator p(pixData);
for (int y=0; y<height; y++) {
wxAlphaPixelData::Iterator rowStart = p;
for (int x=0; x<width; x++) {
unsigned char a = buffer[3];
p.Red() = a; buffer++;
p.Green() = a; buffer++;
p.Blue() = a; buffer++;
p.Alpha() = a; buffer++;
++p;
}
p = rowStart;
p.OffsetY(pixData, 1);
}
return bmp;
}
/*
* wxClientDC
*/
wxClientDC::wxClientDC()
{
m_window = NULL ;
}
#if wxMAC_USE_CORE_GRAPHICS
wxClientDC::wxClientDC(wxWindow *window) :
wxWindowDC( window )
{
wxPoint origin = window->GetClientAreaOrigin() ;
m_window->GetClientSize( &m_width , &m_height);
SetDeviceOrigin( origin.x, origin.y );
SetClippingRegion( 0 , 0 , m_width , m_height ) ;
}
#else
wxClientDC::wxClientDC(wxWindow *window)
{
m_window = window ;
wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
if (!rootwindow)
return;
WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
wxPoint origin = window->GetClientAreaOrigin() ;
wxSize size = window->GetClientSize() ;
int x , y ;
x = origin.x ;
y = origin.y ;
window->MacWindowToRootWindow( &x , &y ) ;
m_macPort = UMAGetWindowPort( windowref ) ;
m_ok = true ;
m_macLocalOrigin.x = x ;
m_macLocalOrigin.y = y ;
SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , origin.x , origin.y , origin.x + size.x , origin.y + size.y ) ;
SectRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) window->MacGetVisibleRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , -origin.x , -origin.y ) ;
OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
CopyRgn( (RgnHandle) m_macBoundaryClipRgn ,(RgnHandle) m_macCurrentClipRgn ) ;
SetBackground(MacGetBackgroundBrush(window));
SetFont( window->GetFont() ) ;
}
#endif
wxClientDC::~wxClientDC()
{
}
#if !wxMAC_USE_CORE_GRAPHICS
void wxClientDC::DoGetSize(int *width, int *height) const
{
wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
m_window->GetClientSize( width, height );
}
#endif
/*
* wxPaintDC
*/
wxPaintDC::wxPaintDC()
{
m_window = NULL ;
}
#if wxMAC_USE_CORE_GRAPHICS
wxPaintDC::wxPaintDC(wxWindow *window) :
wxWindowDC( window )
{
wxPoint origin = window->GetClientAreaOrigin() ;
m_window->GetClientSize( &m_width , &m_height);
SetDeviceOrigin( origin.x, origin.y );
SetClippingRegion( 0 , 0 , m_width , m_height ) ;
}
#else
wxPaintDC::wxPaintDC(wxWindow *window)
{
m_window = window ;
wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
wxPoint origin = window->GetClientAreaOrigin() ;
wxSize size = window->GetClientSize() ;
int x , y ;
x = origin.x ;
y = origin.y ;
window->MacWindowToRootWindow( &x , &y ) ;
m_macPort = UMAGetWindowPort( windowref ) ;
m_ok = true ;
#if wxMAC_USE_CORE_GRAPHICS
if ( window->MacGetCGContextRef() )
{
m_graphicContext = new wxMacCGContext( (CGContextRef) window->MacGetCGContextRef() ) ;
m_graphicContext->SetPen( m_pen ) ;
m_graphicContext->SetBrush( m_brush ) ;
SetClippingRegion( 0 , 0 , size.x , size.y ) ;
SetBackground(MacGetBackgroundBrush(window));
}
else
{
wxLogDebug(wxT("You cannot create a wxPaintDC outside an OS-draw event") ) ;
m_graphicContext = NULL ;
}
// there is no out-of-order drawing on OSX
#else
m_macLocalOrigin.x = x ;
m_macLocalOrigin.y = y ;
SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , origin.x , origin.y , origin.x + size.x , origin.y + size.y ) ;
SectRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) window->MacGetVisibleRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , -origin.x , -origin.y ) ;
SectRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) window->GetUpdateRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
SetBackground(MacGetBackgroundBrush(window));
#endif
SetFont( window->GetFont() ) ;
}
#endif
wxPaintDC::~wxPaintDC()
{
}
#if !wxMAC_USE_CORE_GRAPHICS
void wxPaintDC::DoGetSize(int *width, int *height) const
{
wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
m_window->GetClientSize( width, height );
}
#endif
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