Resolves: #i124922# allow late setting of the font color...

for CoreText-layouted text

(cherry picked from commit 42f9768f)

Conflicts:
	vcl/aqua/source/gdi/ctfonts.cxx
	vcl/aqua/source/gdi/ctfonts.hxx
	vcl/aqua/source/gdi/ctlayout.cxx
	vcl/source/gdi/outdev3.cxx

Change-Id: Ie2685ab80ca87ea72e25f18d02f883fb36c24a36

vcl/inc/quartz/salgdi.h

@@ -106,7 +106,7 @@ public:
     bool       GetGlyphBoundRect( sal_GlyphId, Rectangle& ) const;
     bool       GetGlyphOutline( sal_GlyphId, basegfx::B2DPolyPolygon& ) const;
 
-    void       SetTextColor( const RGBAColor& );
+    void       SetTextColor( const RGBAColor& ) {}
 
     const CoreTextFontData*  mpFontData;
     /// <1.0: font is squeezed, >1.0 font is stretched, else 1.0

vcl/quartz/ctfonts.cxx

@@ -100,6 +100,10 @@ CoreTextStyle::CoreTextStyle( const FontSelectPattern& rFSD )
     CFDictionarySetValue( mpStyleDict, kCTFontAttributeName, pNewCTFont );
     CFRelease( pNewCTFont);
 
+    // allow delayed setting the font color, i.e. after the text layout
+    CFDictionarySetValue( mpStyleDict, kCTForegroundColorFromContextAttributeName, kCFBooleanTrue );
+
+
 #if 0 // LastResort is implicit in CoreText's font cascading
     const void* aGFBDescriptors[] = { CTFontDescriptorCreateWithNameAndSize( CFSTR("LastResort"), 0) }; // TODO: use the full GFB list
     const int nGfbCount = sizeof(aGFBDescriptors) / sizeof(*aGFBDescriptors);
@@ -218,16 +222,6 @@ bool CoreTextStyle::GetGlyphOutline( sal_GlyphId aGlyphId, basegfx::B2DPolyPolyg
     return true;
 }
 
-void CoreTextStyle::SetTextColor( const RGBAColor& rColor )
-{
-    CGFloat aColor[] = { rColor.GetRed(), rColor.GetGreen(), rColor.GetBlue(), rColor.GetAlpha() };
-    CGColorSpaceRef cs = CGColorSpaceCreateDeviceRGB();
-    CGColorRef pCGColor = CGColorCreate( cs, aColor );
-    CGColorSpaceRelease( cs );
-    CFDictionarySetValue( mpStyleDict, kCTForegroundColorAttributeName, pCGColor );
-    CFRelease( pCGColor);
-}
-
 PhysicalFontFace* CoreTextFontData::Clone( void ) const
 {
     return new CoreTextFontData( *this);

vcl/quartz/ctlayout.cxx

@@ -108,6 +108,7 @@ bool CTLayout::LayoutText( ImplLayoutArgs& rArgs )
     m_vRunData.release();
     bLayouted = false;
 
+    // release an eventual older layout
     if( mpAttrString )
         CFRelease( mpAttrString );
     mpAttrString = NULL;
@@ -115,6 +116,7 @@ bool CTLayout::LayoutText( ImplLayoutArgs& rArgs )
         CFRelease( mpCTLine );
     mpCTLine = NULL;
 
+    // initialize the new layout
     SalLayout::AdjustLayout( rArgs );
     mnCharCount = mnEndCharPos - mnMinCharPos;
 
@@ -338,7 +340,7 @@ void CTLayout::drawCTLine(AquaSalGraphics& rAquaGraphics, CTLineRef ctline, cons
     CGContextScaleCTM( rAquaGraphics.mrContext, 1.0, -1.0 );
     CGContextSetShouldAntialias( rAquaGraphics.mrContext, !rAquaGraphics.mbNonAntialiasedText );
 
-    // Draw the text
+    // set the text transformation (e.g. position)
     CGPoint aTextPos = GetTextDrawPosition();
 
     if( pStyle->mfFontRotation != 0.0 )
@@ -353,7 +355,12 @@ void CTLayout::drawCTLine(AquaSalGraphics& rAquaGraphics, CTLineRef ctline, cons
 
     SAL_INFO( "vcl.ct", "CGContextSetTextPosition(" << rAquaGraphics.mrContext << "," << aTextPos << ")" );
     CGContextSetTextPosition( rAquaGraphics.mrContext, aTextPos.x, aTextPos.y );
+
+    // set the text color as fill color (see kCTForegroundColorFromContextAttributeName)
+    CGContextSetFillColor( rAquaGraphics.mrContext, rAquaGraphics.maTextColor.AsArray() );
+
     SAL_INFO( "vcl.ct", "CTLineDraw(" << ctline << "," << rAquaGraphics.mrContext << ")" );
+    // draw the text
     CTLineDraw( ctline, rAquaGraphics.mrContext );
 #ifndef IOS
     // request an update of the changed window area

vcl/source/outdev/text.cxx

@@ -1282,14 +1282,6 @@ SalLayout* OutputDevice::ImplLayout(const OUString& rOrigStr,
 
     ImplLayoutArgs aLayoutArgs = ImplPrepareLayoutArgs( aStr, nMinIndex, nLen, nPixelWidth, pDXArray );
 
-#if defined(MACOSX) || defined(IOS)
-    // CoreText layouts are immutable and already contain the text color
-    // so we need to provide the color already for the layout request
-    // even if this layout will never be drawn
-    if( mbInitTextColor )
-        const_cast<OutputDevice&>(*this).ImplInitTextColor();
-#endif
-
     // get matching layout object for base font
     SalLayout* pSalLayout = mpGraphics->GetTextLayout( aLayoutArgs, 0 );