supporting theme brushes under 10.4 properly

[wxWidgets.git] / src / mac / carbon / graphics.cpp

diff --git a/src/mac/carbon/graphics.cpp b/src/mac/carbon/graphics.cpp
index 9243a25b6f6c2bd2f3526457984764c7c4225dc9..b382c4b81b8da881bdc271ecd9ec031d320af8f8 100755 (executable)
--- a/src/mac/carbon/graphics.cpp
+++ b/src/mac/carbon/graphics.cpp
@@ -395,7 +395,7 @@ wxMacCoreGraphicsPenData::wxMacCoreGraphicsPenData( wxGraphicsRenderer* renderer
                 if ( bmp && bmp->Ok() )
                 {
                     m_colorSpace.Set( CGColorSpaceCreatePattern( NULL ) );
-                    m_pattern.Set( *( new ImagePattern( bmp , CGAffineTransformMakeTranslation( 0,0 ) ) ) );
+                    m_pattern.Set( *( new ImagePattern( bmp , CGAffineTransformMakeScale( 1,-1 ) ) ) );
                     m_patternColorComponents = new CGFloat[1] ;
                     m_patternColorComponents[0] = 1.0;
                     m_isPattern = true;
@@ -407,7 +407,7 @@ wxMacCoreGraphicsPenData::wxMacCoreGraphicsPenData( wxGraphicsRenderer* renderer
             {
                 m_isPattern = true;
                 m_colorSpace.Set( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) );
-                m_pattern.Set( *( new HatchPattern( pen.GetStyle() , CGAffineTransformMakeTranslation( 0,0 ) ) ) );
+                m_pattern.Set( *( new HatchPattern( pen.GetStyle() , CGAffineTransformMakeScale( 1,-1 ) ) ) );
                 m_patternColorComponents = new CGFloat[4] ;
                 m_patternColorComponents[0] = pen.GetColour().Red() / 255.0;
                 m_patternColorComponents[1] = pen.GetColour().Green() / 255.0;
@@ -450,6 +450,8 @@ void wxMacCoreGraphicsPenData::Apply( wxGraphicsContext* context )
 
     if ( m_isPattern )
     {
+        CGAffineTransform matrix = CGContextGetCTM( cg );
+        CGContextSetPatternPhase( cg, CGSizeMake(matrix.tx, matrix.ty) );
         CGContextSetStrokeColorSpace( cg , m_colorSpace );
         CGContextSetStrokePattern( cg, m_pattern , m_patternColorComponents );
     }
@@ -523,15 +525,38 @@ wxMacCoreGraphicsBrushData::wxMacCoreGraphicsBrushData(wxGraphicsRenderer* rende
 
     if ( brush.GetStyle() == wxSOLID )
     {
-        float components[4] = { brush.GetColour().Red() / 255.0 , brush.GetColour().Green() / 255.0 ,
+        if ( brush.MacGetBrushKind() == kwxMacBrushTheme )
+        {
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
+            if ( HIThemeBrushCreateCGColor != 0 )
+            {
+                CGColorRef color ;
+                HIThemeBrushCreateCGColor( brush.MacGetTheme(), &color );
+                m_color.Set( color ) ;
+            }
+            else
+#endif
+            {
+                // as close as we can get, unfortunately < 10.4 things get difficult
+                RGBColor color;
+                GetThemeBrushAsColor( brush.MacGetTheme(), 32, true, &color );
+                float components[4] = {  (CGFloat) color.red / 65536,
+                    (CGFloat) color.green / 65536, (CGFloat) color.blue / 65536, 1 } ;
+                m_color.Set( CGColorCreate( wxMacGetGenericRGBColorSpace() , components ) ) ;
+            }
+        }
+        else
+        {
+            float components[4] = { brush.GetColour().Red() / 255.0 , brush.GetColour().Green() / 255.0 ,
                 brush.GetColour().Blue() / 255.0 , brush.GetColour().Alpha() / 255.0 } ;
-        m_color.Set( CGColorCreate( wxMacGetGenericRGBColorSpace() , components ) ) ;
+            m_color.Set( CGColorCreate( wxMacGetGenericRGBColorSpace() , components ) ) ;
+        }
     }
     else if ( brush.IsHatch() )
     {
         m_isPattern = true;
         m_colorSpace.Set( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) );
-        m_pattern.Set( *( new HatchPattern( brush.GetStyle() , CGAffineTransformMakeTranslation( 0,0 ) ) ) );
+        m_pattern.Set( *( new HatchPattern( brush.GetStyle() , CGAffineTransformMakeScale( 1,-1 ) ) ) );
 
         m_patternColorComponents = new CGFloat[4] ;
         m_patternColorComponents[0] = brush.GetColour().Red() / 255.0;
@@ -549,7 +574,7 @@ wxMacCoreGraphicsBrushData::wxMacCoreGraphicsBrushData(wxGraphicsRenderer* rende
             m_patternColorComponents = new CGFloat[1] ;
             m_patternColorComponents[0] = 1.0;
             m_colorSpace.Set( CGColorSpaceCreatePattern( NULL ) );
-            m_pattern.Set( *( new ImagePattern( bmp , CGAffineTransformMakeTranslation( 0,0 ) ) ) );
+            m_pattern.Set( *( new ImagePattern( bmp , CGAffineTransformMakeScale( 1,-1 ) ) ) );
         }
     }
 }
@@ -582,11 +607,14 @@ void wxMacCoreGraphicsBrushData::Apply( wxGraphicsContext* context )
 
     if ( m_isShading )
     {
+        // nothing to set as shades are processed by clipping using the path and filling
     }
     else
     {
         if ( m_isPattern )
         {
+            CGAffineTransform matrix = CGContextGetCTM( cg );
+            CGContextSetPatternPhase( cg, CGSizeMake(matrix.tx, matrix.ty) );
             CGContextSetFillColorSpace( cg , m_colorSpace );
             CGContextSetFillPattern( cg, m_pattern , m_patternColorComponents );
         }
@@ -796,7 +824,7 @@ bool wxMacCoreGraphicsMatrixData::IsEqual( const wxGraphicsMatrixData* t) const
 {
     const CGAffineTransform* tm = (CGAffineTransform*) t->GetNativeMatrix();
 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
-    if ( CGAffineTransformEqualToTransform )
+    if ( CGAffineTransformEqualToTransform!=NULL )
     {
         return CGAffineTransformEqualToTransform(m_matrix, *((CGAffineTransform*) t->GetNativeMatrix()));
     }
@@ -1050,7 +1078,7 @@ void wxMacCoreGraphicsPathData::GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wx
 bool wxMacCoreGraphicsPathData::Contains( wxDouble x, wxDouble y, int fillStyle) const
 {
 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
-    if ( CGPathContainsPoint )
+    if ( CGPathContainsPoint!=NULL )
     {
         return CGPathContainsPoint( m_path, NULL, CGPointMake(x,y), fillStyle == wxODDEVEN_RULE );
     }
@@ -1270,7 +1298,12 @@ void wxMacCoreGraphicsContext::EnsureIsValid()
                m_releaseContext = true;
                if ( !HIShapeIsEmpty(m_clipRgn) )
                {
-                       HIShapeReplacePathInCGContext( m_clipRgn, m_cgContext );
+            // the clip region is in device coordinates, so we convert this again to user coordinates
+            wxMacCFRefHolder<HIMutableShapeRef> hishape ;
+            hishape.Set( HIShapeCreateMutableCopy( m_clipRgn ) );
+            CGPoint transformedOrigin = CGPointApplyAffineTransform( CGPointZero,m_windowTransform);
+            HIShapeOffset( hishape, -transformedOrigin.x, -transformedOrigin.y );
+                       HIShapeReplacePathInCGContext( hishape, m_cgContext );
                        CGContextClip( m_cgContext );
                }
                CGContextSaveGState( m_cgContext );
@@ -1289,7 +1322,15 @@ void wxMacCoreGraphicsContext::Clip( const wxRegion &region )
     }
     else
     {
-        m_clipRgn.Set(HIShapeCreateWithQDRgn( (RgnHandle) region.GetWXHRGN() ));
+        // this offsetting to device coords is not really correct, but since we cannot apply affine transforms
+        // to regions we try at least to have correct translations
+        wxMacCFRefHolder<HIShapeRef> hishape ;
+        hishape.Set( HIShapeCreateWithQDRgn( (RgnHandle) region.GetWXHRGN() ));
+        HIMutableShapeRef mutableShape = HIShapeCreateMutableCopy( hishape );
+        
+        CGPoint transformedOrigin = CGPointApplyAffineTransform( CGPointZero, m_windowTransform );
+        HIShapeOffset( mutableShape, transformedOrigin.x, transformedOrigin.y );
+        m_clipRgn.Set(mutableShape);
     }
 }
 
@@ -1303,6 +1344,9 @@ void wxMacCoreGraphicsContext::Clip( wxDouble x, wxDouble y, wxDouble w, wxDoubl
     }
     else
     {
+        // the clipping itself must be stored as device coordinates, otherwise 
+        // we cannot apply it back correctly
+        r.origin= CGPointApplyAffineTransform( r.origin, m_windowTransform );
         m_clipRgn.Set(HIShapeCreateWithRect(&r));
     }
 }
@@ -1646,28 +1690,8 @@ void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDoub
     wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
 
     Rect rect;
-/*
-    // TODO
-    if ( m_backgroundMode == wxSOLID )
-    {
-        wxGraphicsPath* path = m_graphicContext->CreatePath();
-        path->MoveToPoint( drawX , drawY );
-        path->AddLineToPoint(
-            (int) (drawX + sin(angle / RAD2DEG) * FixedToInt(ascent + descent)) ,
-            (int) (drawY + cos(angle / RAD2DEG) * FixedToInt(ascent + descent)) );
-        path->AddLineToPoint(
-            (int) (drawX + sin(angle / RAD2DEG) * FixedToInt(ascent + descent ) + cos(angle / RAD2DEG) * FixedToInt(textAfter)) ,
-            (int) (drawY + cos(angle / RAD2DEG) * FixedToInt(ascent + descent) - sin(angle / RAD2DEG) * FixedToInt(textAfter)) );
-        path->AddLineToPoint(
-            (int) (drawX + cos(angle / RAD2DEG) * FixedToInt(textAfter)) ,
-            (int) (drawY - sin(angle / RAD2DEG) * FixedToInt(textAfter)) );
-
-        m_graphicContext->FillPath( path , m_textBackgroundColour );
-        delete path;
-    }
-*/
-    x += (int)(sin(angle / RAD2DEG) * FixedToInt(ascent));
-    y += (int)(cos(angle / RAD2DEG) * FixedToInt(ascent));
+    x += (int)(sin(angle) * FixedToInt(ascent));
+    y += (int)(cos(angle) * FixedToInt(ascent));
 
     status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
         IntToFixed(x) , IntToFixed(y) , &rect );
@@ -1869,6 +1893,8 @@ public :
     virtual wxGraphicsContext * CreateContextFromNativeWindow( void * window );
 
     virtual wxGraphicsContext * CreateContext( wxWindow* window );
+    
+    virtual wxGraphicsContext * CreateMeasuringContext();
 
     // Path
 
@@ -1934,6 +1960,11 @@ wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( wxWindow* window )
     return new wxMacCoreGraphicsContext(this, window );
 }
 
+wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateMeasuringContext()
+{
+    return new wxMacCoreGraphicsContext(this);
+}
+
 // Path
 
 wxGraphicsPath wxMacCoreGraphicsRenderer::CreatePath()