/////////////////////////////////////////////////////////////////////////////
-// Name: dc.cpp
+// Name: src/mac/carbon/dc.cpp
// Purpose: wxDC class
// Author: Stefan Csomor
// Modified by:
#include "wx/dc.h"
#if !wxMAC_USE_CORE_GRAPHICS
-#include "wx/app.h"
+
+#ifndef WX_PRECOMP
+ #include "wx/log.h"
+ #include "wx/app.h"
+ #include "wx/dcmemory.h"
+ #include "wx/dcprint.h"
+ #include "wx/region.h"
+ #include "wx/image.h"
+#endif
+
#include "wx/mac/uma.h"
-#include "wx/dcmemory.h"
-#include "wx/dcprint.h"
-#include "wx/region.h"
-#include "wx/image.h"
-#include "wx/log.h"
#ifdef __MSL__
#if __MSL__ >= 0x6000
const short kEmulatedMode = -1 ;
const short kUnsupportedMode = -2 ;
-extern TECObjectRef s_TECNativeCToUnicode ;
-
-
wxMacPortSetter::wxMacPortSetter( const wxDC* dc ) :
m_ph( (GrafPtr) dc->m_macPort )
{
SetThemeDrawingState( m_themeDrawingState , true ) ;
}
-//-----------------------------------------------------------------------------
-// Local functions
-//-----------------------------------------------------------------------------
-static inline double dmin(double a, double b) { return a < b ? a : b; }
-static inline double dmax(double a, double b) { return a > b ? a : b; }
-static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
-
//-----------------------------------------------------------------------------
// wxDC
//-----------------------------------------------------------------------------
if ( m_brush.GetStyle() == wxTRANSPARENT && m_pen.GetStyle() == wxTRANSPARENT )
return ;
-
+
wxMacFastPortSetter helper(this) ;
wxCoord x1, x2 , y1 , y2 ;
// CMB: draw nothing if transformed w or h is 0
if (ww == 0 || hh == 0)
return;
-
+
// CMB: handle -ve width and/or height
if (ww < 0)
{
void wxDC::DoDrawRotatedText(const wxString& str, wxCoord x, wxCoord y,
double angle)
{
- // TODO: support text background color (only possible by hand, ATSUI does not support it)
wxCHECK_RET( Ok(), wxT("wxDC::DoDrawRotatedText - invalid DC") );
- if ( str.Length() == 0 )
+ if ( str.empty() )
return ;
wxMacFastPortSetter helper(this) ;
MacInstallFont() ;
-#if 0
- if ( 0 )
- {
- m_macFormerAliasState = IsAntiAliasedTextEnabled(&m_macFormerAliasSize);
- SetAntiAliasedTextEnabled(true, SInt16(m_scaleY * m_font.MacGetFontSize()));
- m_macAliasWasEnabled = true ;
- }
-#endif
-
OSStatus status = noErr ;
ATSUTextLayout atsuLayout ;
- UniCharCount chars = str.Length() ;
- UniChar* ubuf = NULL ;
-
-#if SIZEOF_WCHAR_T == 4
- wxMBConvUTF16 converter ;
-#if wxUSE_UNICODE
- size_t unicharlen = converter.WC2MB( NULL , str.wc_str() , 0 ) ;
- ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
- converter.WC2MB( (char*) ubuf , str.wc_str(), unicharlen + 2 ) ;
-#else
- const wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ;
- size_t unicharlen = converter.WC2MB( NULL , wchar.data() , 0 ) ;
- ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
- converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 ) ;
-#endif
- chars = unicharlen / 2 ;
-#else
-#if wxUSE_UNICODE
- ubuf = (UniChar*) str.wc_str() ;
-#else
- wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ;
- chars = wxWcslen( wchar.data() ) ;
- ubuf = (UniChar*) wchar.data() ;
-#endif
-#endif
- status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
+ wxMacUniCharBuffer unibuf( str ) ;
+ UniCharCount chars = unibuf.GetChars() ;
+
+ status = ::ATSUCreateTextLayoutWithTextPtr( unibuf.GetBuffer() , 0 , chars , chars , 1 ,
&chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") );
ATSUTextMeasurement textBefore, textAfter ;
ATSUTextMeasurement ascent, descent ;
- if ( abs(iAngle) > 0 )
+ ATSLineLayoutOptions layoutOptions = kATSLineNoLayoutOptions ;
+
+ if (m_font.GetNoAntiAliasing())
{
- Fixed atsuAngle = IntToFixed( iAngle ) ;
+ layoutOptions |= kATSLineNoAntiAliasing ;
+ }
- ATSUAttributeTag atsuTags[] =
- {
- kATSULineRotationTag ,
- } ;
- ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
- {
- sizeof( Fixed ) ,
- } ;
- ATSUAttributeValuePtr atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
- {
- &atsuAngle ,
- } ;
+ Fixed atsuAngle = IntToFixed( iAngle ) ;
- status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags)/sizeof(ATSUAttributeTag),
+ ATSUAttributeTag atsuTags[] =
+ {
+ kATSULineLayoutOptionsTag ,
+ kATSULineRotationTag ,
+ } ;
+
+ ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
+ {
+ sizeof( ATSLineLayoutOptions ) ,
+ sizeof( Fixed ) ,
+ } ;
+
+ ATSUAttributeValuePtr atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
+ {
+ &layoutOptions ,
+ &atsuAngle ,
+ } ;
+
+ status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags)/sizeof(ATSUAttributeTag) - ( abs(iAngle) > 0.001 ? 0 : 1),
atsuTags, atsuSizes, atsuValues ) ;
- }
status = ::ATSUMeasureText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
&textBefore , &textAfter, &ascent , &descent );
+ wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
+
+ if ( m_backgroundMode == wxSOLID )
+ {
+ // background painting must be done by hand, cannot be done by ATSUI
+ wxCoord x2 , y2 ;
+ PolyHandle polygon = OpenPoly();
+
+ ::MoveTo(drawX, drawY);
+
+ x2 = (int) (drawX + sin(angle / RAD2DEG) * FixedToInt(ascent + descent)) ;
+ y2 = (int) (drawY + cos(angle / RAD2DEG) * FixedToInt(ascent + descent)) ;
+ ::LineTo(x2, y2);
+
+ x2 = (int) (drawX + sin(angle / RAD2DEG) * FixedToInt(ascent + descent ) + cos(angle / RAD2DEG) * FixedToInt(textAfter)) ;
+ y2 = (int) (drawY + cos(angle / RAD2DEG) * FixedToInt(ascent + descent) - sin(angle / RAD2DEG) * FixedToInt(textAfter)) ;
+ ::LineTo(x2, y2);
+
+ x2 = (int) (drawX + cos(angle / RAD2DEG) * FixedToInt(textAfter)) ;
+ y2 = (int) (drawY - sin(angle / RAD2DEG) * FixedToInt(textAfter)) ;
+ ::LineTo(x2, y2);
+
+ ::LineTo( drawX, drawY) ;
+ ClosePoly();
+
+ ::ErasePoly( polygon );
+ KillPoly( polygon );
+ }
drawX += (int)(sin(angle / RAD2DEG) * FixedToInt(ascent));
drawY += (int)(cos(angle / RAD2DEG) * FixedToInt(ascent));
CalcBoundingBox(XDEV2LOG(rect.left), YDEV2LOG(rect.top) );
CalcBoundingBox(XDEV2LOG(rect.right), YDEV2LOG(rect.bottom) );
::ATSUDisposeTextLayout(atsuLayout);
-
-#if SIZEOF_WCHAR_T == 4
- free( ubuf ) ;
-#endif
}
void wxDC::DoDrawText(const wxString& strtext, wxCoord x, wxCoord y)
{
- wxCHECK_RET(Ok(), wxT("wxDC::DoDrawText - invalid DC"));
-
- wxMacFastPortSetter helper(this) ;
- long xx = XLOG2DEVMAC(x);
- long yy = YLOG2DEVMAC(y);
-
-#if TARGET_CARBON
- bool useDrawThemeText = ( DrawThemeTextBox != (void*) kUnresolvedCFragSymbolAddress ) ;
- if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || m_font.GetNoAntiAliasing() )
- useDrawThemeText = false ;
-#endif
-
- MacInstallFont() ;
-
- FontInfo fi ;
- ::GetFontInfo( &fi ) ;
-
-#if TARGET_CARBON
- if ( !useDrawThemeText )
- yy += fi.ascent ;
-#else
- yy += fi.ascent ;
-#endif
-
- ::TextMode( (m_backgroundMode == wxTRANSPARENT) ? srcOr : srcCopy ) ;
- ::MoveTo( xx , yy );
-
- int line = 0 ;
- {
- wxString linetext = strtext ;
-
-#if TARGET_CARBON
- if ( useDrawThemeText )
- {
- Rect frame = {
- yy + line*(fi.descent + fi.ascent + fi.leading), xx ,
- yy + (line+1)*(fi.descent + fi.ascent + fi.leading) , xx + 10000 } ;
- wxMacCFStringHolder mString( linetext , m_font.GetEncoding()) ;
-
- if ( m_backgroundMode != wxTRANSPARENT )
- {
- Point bounds = {0, 0} ;
- Rect background = frame ;
- SInt16 baseline ;
- ::GetThemeTextDimensions( mString,
- m_font.MacGetThemeFontID() ,
- kThemeStateActive,
- false,
- &bounds,
- &baseline );
- background.right = background.left + bounds.h ;
- background.bottom = background.top + bounds.v ;
- ::EraseRect( &background ) ;
- }
-
- ::DrawThemeTextBox( mString,
- m_font.MacGetThemeFontID() ,
- kThemeStateActive,
- false,
- &frame,
- teJustLeft,
- NULL );
- }
- else
-#endif
- {
- wxCharBuffer text = linetext.mb_str(wxConvLocal) ;
- ::DrawText( text , 0 , strlen(text) ) ;
- }
- }
-
- ::TextMode( srcOr ) ;
+ DoDrawRotatedText( strtext , x , y , 0) ;
}
bool wxDC::CanGetTextExtent() const
return true ;
}
-void wxDC::DoGetTextExtent( const wxString &strtext, wxCoord *width, wxCoord *height,
+
+void wxDC::DoGetTextExtent( const wxString &str, wxCoord *width, wxCoord *height,
wxCoord *descent, wxCoord *externalLeading ,
wxFont *theFont ) const
{
}
MacInstallFont() ;
- FontInfo fi ;
- ::GetFontInfo( &fi ) ;
-#if TARGET_CARBON
- bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
- if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || ((wxFont*)&m_font)->GetNoAntiAliasing() )
- useGetThemeText = false ;
-#endif
+ OSStatus status = noErr ;
+ ATSUTextLayout atsuLayout ;
+
+ wxMacUniCharBuffer unibuf( str ) ;
+ UniCharCount chars = unibuf.GetChars() ;
+
+ status = ::ATSUCreateTextLayoutWithTextPtr( unibuf.GetBuffer() , 0 , chars , chars , 1 ,
+ &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
+
+ wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the text") );
+
+ status = ::ATSUSetTransientFontMatching( atsuLayout , true ) ;
+ wxASSERT_MSG( status == noErr , wxT("couldn't setup transient font matching") );
+
+ ATSLineLayoutOptions layoutOptions = kATSLineNoLayoutOptions ;
+
+ if (m_font.GetNoAntiAliasing())
+ {
+ layoutOptions |= kATSLineNoAntiAliasing ;
+ }
+
+ ATSUAttributeTag atsuTags[] =
+ {
+ kATSULineLayoutOptionsTag ,
+ } ;
+
+ ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
+ {
+ sizeof( ATSLineLayoutOptions ) ,
+ } ;
+
+ ATSUAttributeValuePtr atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
+ {
+ &layoutOptions ,
+ } ;
+
+ status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags)/sizeof(ATSUAttributeTag) ,
+ atsuTags, atsuSizes, atsuValues ) ;
+
+ ATSUTextMeasurement textBefore, textAfter ;
+ ATSUTextMeasurement textAscent, textDescent ;
+
+ status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
+ &textBefore , &textAfter, &textAscent , &textDescent );
if ( height )
- *height = YDEV2LOGREL( fi.descent + fi.ascent ) ;
+ *height = YDEV2LOGREL( FixedToInt(textAscent + textDescent) ) ;
if ( descent )
- *descent =YDEV2LOGREL( fi.descent );
+ *descent =YDEV2LOGREL( FixedToInt(textDescent) );
if ( externalLeading )
- *externalLeading = YDEV2LOGREL( fi.leading ) ;
-
- int curwidth = 0 ;
+ *externalLeading = 0 ;
if ( width )
- {
- *width = 0 ;
- wxString linetext = strtext ;
+ *width = XDEV2LOGREL( FixedToInt(textAfter - textBefore) ) ;
- if ( useGetThemeText )
- {
- Point bounds = {0, 0} ;
- SInt16 baseline ;
- wxMacCFStringHolder mString( linetext , m_font.GetEncoding() ) ;
- ThemeFontID themeFont = m_font.MacGetThemeFontID() ;
- ::GetThemeTextDimensions( mString,
- themeFont ,
- kThemeStateActive,
- false,
- &bounds,
- &baseline );
- curwidth = bounds.h ;
- }
- else
- {
- wxCharBuffer text = linetext.mb_str(wxConvLocal) ;
- curwidth = ::TextWidth( text , 0 , strlen(text) ) ;
- }
+ ::ATSUDisposeTextLayout(atsuLayout);
- if ( curwidth > *width )
- *width = XDEV2LOGREL( curwidth ) ;
- }
if ( theFont )
{
wxCHECK_MSG(Ok(), false, wxT("wxDC::DoGetPartialTextExtents - invalid DC"));
widths.Empty();
- widths.Add(0, text.Length());
+ widths.Add(0, text.length());
- if (text.Length() == 0)
+ if (text.length() == 0)
return false;
wxMacFastPortSetter helper(this) ;
MacInstallFont() ;
-#if TARGET_CARBON
- bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
- if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || ((wxFont*)&m_font)->GetNoAntiAliasing() )
- useGetThemeText = false ;
+ OSStatus status = noErr ;
+ ATSUTextLayout atsuLayout ;
+
+ wxMacUniCharBuffer unibuf( text ) ;
+ UniCharCount chars = unibuf.GetChars() ;
+
+ status = ::ATSUCreateTextLayoutWithTextPtr( unibuf.GetBuffer() , 0 , chars , chars , 1 ,
+ &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
- if ( useGetThemeText )
+ wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the text") );
+
+ status = ::ATSUSetTransientFontMatching( atsuLayout , true ) ;
+ wxASSERT_MSG( status == noErr , wxT("couldn't setup transient font matching") );
+
+ ATSLineLayoutOptions layoutOptions = kATSLineNoLayoutOptions ;
+
+ if (m_font.GetNoAntiAliasing())
{
- // If anybody knows how to do this more efficiently yet still handle
- // the fractional glyph widths that may be present when using AA
- // fonts, please change it. Currently it is measuring from the
- // beginning of the string for each succeeding substring, which is much
- // slower than this should be.
- for (size_t i=0; i<text.Length(); i++)
- {
- wxString str(text.Left(i + 1));
- Point bounds = {0, 0};
- SInt16 baseline ;
- wxMacCFStringHolder mString(str, m_font.GetEncoding());
-
- ::GetThemeTextDimensions( mString,
- m_font.MacGetThemeFontID(),
- kThemeStateActive,
- false,
- &bounds,
- &baseline );
- widths[i] = XDEV2LOGREL(bounds.h);
- }
+ layoutOptions |= kATSLineNoAntiAliasing ;
}
- else
-#endif
+
+ ATSUAttributeTag atsuTags[] =
+ {
+ kATSULineLayoutOptionsTag ,
+ } ;
+
+ ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
+ {
+ sizeof( ATSLineLayoutOptions ) ,
+ } ;
+
+ ATSUAttributeValuePtr atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
+ {
+ &layoutOptions ,
+ } ;
+
+ status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags)/sizeof(ATSUAttributeTag) ,
+ atsuTags, atsuSizes, atsuValues ) ;
+
+ for ( int pos = 0; pos < (int)chars ; pos ++ )
{
- wxCharBuffer buff = text.mb_str(wxConvLocal);
- size_t len = strlen(buff);
- short* measurements = new short[len+1];
- MeasureText(len, buff.data(), measurements);
+ unsigned long actualNumberOfBounds = 0;
+ ATSTrapezoid glyphBounds;
- // Copy to widths, starting at measurements[1]
- // NOTE: this doesn't take into account any multi-byte characters
- // in buff, it probably should...
- for (size_t i=0; i<text.Length(); i++)
- widths[i] = XDEV2LOGREL(measurements[i + 1]);
+ // We get a single bound, since the text should only require one. If it requires more, there is an issue
+ OSStatus result;
+ result = ATSUGetGlyphBounds( atsuLayout, 0, 0, kATSUFromTextBeginning, pos + 1,
+ kATSUseDeviceOrigins, 1, &glyphBounds, &actualNumberOfBounds );
+ if (result != noErr || actualNumberOfBounds != 1 )
+ return false;
- delete [] measurements;
+ widths[pos] = XDEV2LOGREL(FixedToInt( glyphBounds.upperRight.x - glyphBounds.upperLeft.x ));
}
+ ::ATSUDisposeTextLayout(atsuLayout);
+
return true;
}
wxCoord wxDC::GetCharWidth(void) const
{
- wxCHECK_MSG(Ok(), 1, wxT("wxDC::GetCharWidth - invalid DC"));
-
- wxMacFastPortSetter helper(this) ;
- int width = 0 ;
- const char text[] = "g" ;
-
- MacInstallFont() ;
-
-#if TARGET_CARBON
- bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
- if ( UMAGetSystemVersion() < 0x1000 || ((wxFont*)&m_font)->GetNoAntiAliasing() )
- useGetThemeText = false ;
-
- if ( useGetThemeText )
- {
- Point bounds = {0, 0} ;
- SInt16 baseline ;
- CFStringRef mString = CFStringCreateWithBytes( NULL , (UInt8*) text , 1 , CFStringGetSystemEncoding(), false ) ;
- ::GetThemeTextDimensions( mString,
- m_font.MacGetThemeFontID(),
- kThemeStateActive,
- false,
- &bounds,
- &baseline );
- CFRelease( mString ) ;
- width = bounds.h ;
- }
- else
-#endif
- {
- width = ::TextWidth( text , 0 , 1 ) ;
- }
-
- return YDEV2LOGREL(width) ;
+ wxCoord width = 0 ;
+ DoGetTextExtent( wxT("g"), &width , NULL , NULL , NULL , NULL ) ;
+ return width ;
}
wxCoord wxDC::GetCharHeight(void) const
{
- wxCHECK_MSG(Ok(), 1, wxT("wxDC::GetCharHeight - invalid DC"));
-
- wxMacFastPortSetter helper(this) ;
- MacInstallFont() ;
- FontInfo fi ;
- ::GetFontInfo( &fi ) ;
-
- return YDEV2LOGREL( fi.descent + fi.ascent );
+ wxCoord height ;
+ DoGetTextExtent( wxT("g") , NULL , &height , NULL , NULL , NULL ) ;
+ return height ;
}
void wxDC::Clear(void)
Pattern whiteColor ;
::BackPat(GetQDGlobalsWhite(&whiteColor));
::SetThemePen( m_brush.MacGetTheme() , wxDisplayDepth() , true ) ;
- }
+ }
break ;
-
+
default :
::PenPat(GetQDGlobalsBlack(&blackColor));
break ;
-
+
}
}
else if (m_brush.IsHatch())
projects / wxWidgets.git / blobdiff