Halfway reasonable implementation of wxFont for wxCocoa.

[wxWidgets.git] / src / cocoa / dc.mm

diff --git a/src/cocoa/dc.mm b/src/cocoa/dc.mm
index b74aa7bbf7cd51ab10628bf90cd0dacbde08169a..a56a4fa6ca6c7e6908db485574ea0b0273c48d4b 100644 (file)
--- a/src/cocoa/dc.mm
+++ b/src/cocoa/dc.mm
@@ -6,13 +6,16 @@
 // Created:     2003/04/01
 // RCS-ID:      $Id$
 // Copyright:   (c) 2003 David Elliott
-// Licence:    wxWidgets licence
+// Licence:     wxWidgets licence
 /////////////////////////////////////////////////////////////////////////////
 
 #include "wx/wxprec.h"
+
+#include "wx/dc.h"
+
 #ifndef WX_PRECOMP
     #include "wx/log.h"
-    #include "wx/dc.h"
+    #include "wx/math.h" //math constants
 #endif //WX_PRECOMP
 
 #include "wx/cocoa/autorelease.h"
@@ -40,7 +43,7 @@ wxCocoaDCStack wxDC::sm_cocoaDCStack;
 inline void CocoaSetPenForNSBezierPath(wxPen &pen, NSBezierPath *bezpath)
 {
     [pen.GetNSColor() set];
-    const float *pattern;
+    const CGFloat *pattern;
     [bezpath setLineDash:pattern count:pen.GetCocoaLineDash(&pattern) phase:0.0];
     [bezpath setLineWidth:pen.GetWidth()];
     switch(pen.GetJoin())
@@ -146,6 +149,7 @@ wxDC::wxDC(void)
 
 wxDC::~wxDC(void)
 {
+    [m_cocoaWxToBoundsTransform release];
 }
 
 bool wxDC::CocoaLockFocus()
@@ -226,7 +230,7 @@ void wxDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
     [bezpath stroke];
 }
 
-void wxDC::DoGetTextExtent(const wxString& text, wxCoord *x, wxCoord *y, wxCoord *descent, wxCoord *externalLeading, wxFont *theFont) const
+void wxDC::DoGetTextExtent(const wxString& text, wxCoord *x, wxCoord *y, wxCoord *descent, wxCoord *externalLeading, const wxFont *theFont) const
 {
     wxAutoNSAutoreleasePool pool;
 // FIXME: Cache this so it can be used for DoDrawText
@@ -311,70 +315,32 @@ void wxDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y)
     NSPoint layoutLocation = [sm_cocoaNSLayoutManager locationForGlyphAtIndex:0];
     layoutLocation.x = 0.0;
     layoutLocation.y *= -1.0;
+
+    // Save the location as is for underlining
+    NSPoint underlineLocation = layoutLocation;
+
+    // Offset the location by the baseline for drawing the glyphs.
     layoutLocation.y += [[sm_cocoaNSLayoutManager typesetter] baselineOffsetInLayoutManager:sm_cocoaNSLayoutManager glyphIndex:0];
+
     if(m_backgroundMode==wxSOLID)
         [sm_cocoaNSLayoutManager drawBackgroundForGlyphRange:glyphRange  atPoint:NSZeroPoint];
     [sm_cocoaNSLayoutManager drawGlyphsForGlyphRange:glyphRange  atPoint:layoutLocation];
 
-    [context restoreGraphicsState];
-}
-
-// wxDCBase functions
-int wxDCBase::DeviceToLogicalX(int x) const
-{
-    return x;
-}
-
-int wxDCBase::DeviceToLogicalY(int y) const
-{
-    return y;
-}
-
-int wxDCBase::DeviceToLogicalXRel(int x) const
-{
-    return x;
-}
-
-int wxDCBase::DeviceToLogicalYRel(int y) const
-{
-    return y;
-}
-
-int wxDCBase::LogicalToDeviceX(int x) const
-{
-    return x;
-}
-
-int wxDCBase::LogicalToDeviceY(int y) const
-{
-    return y;
-}
+    int underlineStyle = GetFont().GetUnderlined() ? NSUnderlineStyleSingle : NSUnderlineStyleNone;
+    NSRange lineGlyphRange;
+    NSRect lineRect = [sm_cocoaNSLayoutManager lineFragmentRectForGlyphAtIndex:0 effectiveRange:&lineGlyphRange];
 
-int wxDCBase::LogicalToDeviceXRel(int x) const
-{
-    return x;
-}
+    [sm_cocoaNSLayoutManager underlineGlyphRange:glyphRange underlineType:underlineStyle
+        lineFragmentRect:lineRect lineFragmentGlyphRange:lineGlyphRange
+        containerOrigin:underlineLocation];
 
-int wxDCBase::LogicalToDeviceYRel(int y) const
-{
-    return y;
+    [context restoreGraphicsState];
 }
 
 ///////////////////////////////////////////////////////////////////////////
 // cut here, the rest is stubs
 ///////////////////////////////////////////////////////////////////////////
 
-//-----------------------------------------------------------------------------
-// constants
-//-----------------------------------------------------------------------------
-
-#define mm2inches              0.0393700787402
-#define inches2mm              25.4
-#define mm2twips               56.6929133859
-#define twips2mm               0.0176388888889
-#define mm2pt                  2.83464566929
-#define pt2mm                  0.352777777778
-
 //-----------------------------------------------------------------------------
 // wxDC
 //-----------------------------------------------------------------------------
@@ -383,8 +349,8 @@ void wxDC::DoDrawIcon( const wxIcon &WXUNUSED(icon), int WXUNUSED(x), int WXUNUS
 {
 };
 
-void wxDC::DoDrawPoint( int x, int y ) 
-{ 
+void wxDC::DoDrawPoint( int x, int y )
+{
 };
 
 void wxDC::DoDrawPolygon( int, wxPoint *, int, int, int)
@@ -433,7 +399,12 @@ bool wxDC::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const
 void wxDC::DoDrawArc(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc)
 {
 }
-    
+
+void wxDC::SetFont(const wxFont& font)
+{
+    m_font = font;
+}
+
 void wxDC::SetPen(const wxPen& pen)
 {
     m_pen = pen;
@@ -514,7 +485,7 @@ void wxDC::DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask)
         fromRect: NSMakeRect(0.0,0.0,bmp.GetWidth(),bmp.GetHeight())
         operation: NSCompositeSourceOver
         fraction: 1.0];
-        
+
     [nsimage release];
     [context restoreGraphicsState];
 }
@@ -605,7 +576,7 @@ void wxDC::SetLogicalFunction(int)
 
 void wxDC::SetMapMode( int mode )
 {
-  switch (mode) 
+  switch (mode)
   {
     case wxMM_TWIPS:
       break;
@@ -669,7 +640,7 @@ void wxDC::ComputeScaleAndOrigin(void)
   m_scaleX = m_logicalScaleX * m_userScaleX;
   m_scaleY = m_logicalScaleY * m_userScaleY;
 
-  // CMB: if scale has changed call SetPen to recalulate the line width 
+  // CMB: if scale has changed call SetPen to recalulate the line width
   if (m_scaleX != origScaleX || m_scaleY != origScaleY)
   {
     // this is a bit artificial, but we need to force wxDC to think
@@ -680,4 +651,3 @@ void wxDC::ComputeScaleAndOrigin(void)
     SetPen(* pen);
   }
 };
-