X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/03c281617c54994698a74ee7a096cb5d1e03626f..8584b0e64b273273bad122d28b10176bd5a3bc84:/src/osx/carbon/utilscocoa.mm

diff --git a/src/osx/carbon/utilscocoa.mm b/src/osx/carbon/utilscocoa.mm
index c46711cec4..49fc2247d0 100644
--- a/src/osx/carbon/utilscocoa.mm
+++ b/src/osx/carbon/utilscocoa.mm
@@ -188,6 +188,9 @@ WX_NSFont wxFont::OSXCreateNSFont(wxOSXSystemFont font, wxNativeFontInfo* info)
     return nsfont;
 }
 
+static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
+static const NSAffineTransformStruct kSlantNSTransformStruct = { 1, 0, tan(DegToRad(11)), 1, 0, 0  };
+
 WX_NSFont wxFont::OSXCreateNSFont(const wxNativeFontInfo* info)
 {
     NSFont* nsFont;
@@ -206,7 +209,67 @@ WX_NSFont wxFont::OSXCreateNSFont(const wxNativeFontInfo* info)
     
     nsFont = [[NSFontManager sharedFontManager] fontWithFamily:wxCFStringRef(info->m_faceName).AsNSString() 
         traits:traits weight:weight size:info->m_pointSize];
-
+    
+    if ( nsFont == nil )
+    {
+        NSFontTraitMask remainingTraits = traits;
+        nsFont = [[NSFontManager sharedFontManager] fontWithFamily:wxCFStringRef(info->m_faceName).AsNSString() 
+                                                            traits:0 weight:5 size:info->m_pointSize];
+        if ( nsFont == nil )
+        {
+            if ( info->m_weight == wxFONTWEIGHT_BOLD )
+            {
+                nsFont = [NSFont boldSystemFontOfSize:info->m_pointSize];
+                remainingTraits &= ~NSBoldFontMask;
+            }
+            else
+                nsFont = [NSFont systemFontOfSize:info->m_pointSize];
+        }
+        
+        // fallback - if in doubt, let go of the bold attribute
+        if ( nsFont && (remainingTraits & NSItalicFontMask) )
+        {
+            NSFont* nsFontWithTraits = nil;
+            if ( remainingTraits & NSBoldFontMask)
+            {
+                nsFontWithTraits = [[NSFontManager sharedFontManager] convertFont:nsFont toHaveTrait:NSBoldFontMask];
+                if ( nsFontWithTraits == nil )
+                {
+                    nsFontWithTraits = [[NSFontManager sharedFontManager] convertFont:nsFont toHaveTrait:NSItalicFontMask];
+                    if ( nsFontWithTraits != nil )
+                        remainingTraits &= ~NSItalicFontMask;
+                }
+                else
+                {
+                    remainingTraits &= ~NSBoldFontMask;
+                }
+            }
+            // the code below causes crashes, because fontDescriptorWithMatrix is not returning a valid font descriptor
+            // it adds a NSCTFontMatrixAttribute as well which cannot be disposed of correctly by the autorelease pool
+            // so at the moment we have to disable this and cannot synthesize italic fonts if they are not available on the system
+#if 0
+            if ( remainingTraits & NSItalicFontMask )
+            {
+                if ( nsFontWithTraits == nil )
+                    nsFontWithTraits = nsFont;
+                
+                NSAffineTransform* transform = [NSAffineTransform transform];
+                [transform setTransformStruct:kSlantNSTransformStruct];
+                [transform scaleBy:info->m_pointSize];
+                NSFontDescriptor* italicDesc = [[nsFontWithTraits fontDescriptor] fontDescriptorWithMatrix:transform];
+                if ( italicDesc != nil )
+                {
+                    NSFont* f = [NSFont fontWithDescriptor:italicDesc size:(CGFloat)(info->m_pointSize)];
+                    if ( f != nil )
+                        nsFontWithTraits = f;
+                }
+            }
+#endif
+            if ( nsFontWithTraits != nil )
+                nsFont = nsFontWithTraits;
+        }
+    }
+            
     wxASSERT_MSG(nsFont != nil,wxT("Couldn't create nsFont")) ;
     wxMacCocoaRetain(nsFont);
     return nsFont;
@@ -283,7 +346,7 @@ WX_UIFont wxFont::OSXCreateUIFont(const wxNativeFontInfo* info)
 
 #if wxOSX_USE_IPHONE
 
-WX_UIImage  wxOSXCreateUIImageFromCGImage( CGImageRef image )
+WX_UIImage  wxOSXGetUIImageFromCGImage( CGImageRef image )
 {
     UIImage  *newImage = [UIImage imageWithCGImage:image];
     [newImage autorelease];
@@ -295,7 +358,7 @@ WX_UIImage  wxOSXCreateUIImageFromCGImage( CGImageRef image )
 #if wxOSX_USE_COCOA
 
 //  From "Cocoa Drawing Guide:Working with Images"
-WX_NSImage  wxOSXCreateNSImageFromCGImage( CGImageRef image )
+WX_NSImage  wxOSXGetNSImageFromCGImage( CGImageRef image )
 {
     NSRect      imageRect    = NSMakeRect(0.0, 0.0, 0.0, 0.0);
 
@@ -543,11 +606,9 @@ WX_NSCursor  wxMacCocoaCreateCursorFromCGImage( CGImageRef cgImageRef, float hot
         firstTime = NO;
     }
 
-    NSImage    *nsImage  = wxOSXCreateNSImageFromCGImage( cgImageRef );
+    NSImage    *nsImage  = wxOSXGetNSImageFromCGImage( cgImageRef );
     NSCursor  *cursor    = [[NSCursor alloc] initWithImage:nsImage hotSpot:NSMakePoint( hotSpotX, hotSpotY )];
 
-    [nsImage release];
-
     return cursor;
 }