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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@27071 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/common/dcbase.cpp b/src/common/dcbase.cpp
index d7ffb6194809b3d7db4a28482a68dfd9004b1515..e44a8063f4677f0b8b3622d7476a90c291c02044 100644 (file)
--- a/src/common/dcbase.cpp
+++ b/src/common/dcbase.cpp
@@ -383,15 +383,15 @@ class FontWidthCache
 public:
     FontWidthCache() : m_scaleX(1), m_widths(NULL) { }
     ~FontWidthCache() { delete []m_widths; }
 public:
     FontWidthCache() : m_scaleX(1), m_widths(NULL) { }
     ~FontWidthCache() { delete []m_widths; }

-    
-    void Reset() 
-    { 
-        if (!m_widths) 
-           m_widths = new int[FWC_SIZE];
-           
-        memset(m_widths, 0, sizeof(int)*FWC_SIZE); 
-    } 
-    
+
+    void Reset()
+    {
+        if (!m_widths)
+            m_widths = new int[FWC_SIZE];
+
+        memset(m_widths, 0, sizeof(int)*FWC_SIZE);
+    }
+

     wxFont m_font;
     double m_scaleX;
     int *m_widths;
     wxFont m_font;
     double m_scaleX;
     int *m_widths;


@@ -407,7 +407,7 @@ bool wxDCBase::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths)
     widths.Empty();
     widths.Add(0, len);
     int w, h;
     widths.Empty();
     widths.Add(0, len);
     int w, h;

-    
+

     // reset the cache if font or horizontal scale have changed
     if (!s_fontWidthCache.m_widths ||
         (s_fontWidthCache.m_scaleX != m_scaleX) ||
     // reset the cache if font or horizontal scale have changed
     if (!s_fontWidthCache.m_widths ||
         (s_fontWidthCache.m_scaleX != m_scaleX) ||


@@ -420,16 +420,16 @@ bool wxDCBase::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths)
 
     // Calculate the position of each character based on the widths of
     // the previous characters
 
     // Calculate the position of each character based on the widths of
     // the previous characters

-    for (i=0; i<len; i++) 
+    for (i=0; i<len; i++)

     {
         const wxChar c = text[i];
         unsigned int c_int = (unsigned int)c;
 
     {
         const wxChar c = text[i];
         unsigned int c_int = (unsigned int)c;
 

-        if ((c_int < FWC_SIZE) && (s_fontWidthCache.m_widths[c_int] != 0)) 
+        if ((c_int < FWC_SIZE) && (s_fontWidthCache.m_widths[c_int] != 0))

         {
             w = s_fontWidthCache.m_widths[c_int];
         }
         {
             w = s_fontWidthCache.m_widths[c_int];
         }

-        else 
+        else

         {
             GetTextExtent(c, &w, &h);
             if (c_int < FWC_SIZE)
         {
             GetTextExtent(c, &w, &h);
             if (c_int < FWC_SIZE)


@@ -439,7 +439,7 @@ bool wxDCBase::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths)
         totalWidth += w;
         widths[i] = totalWidth;
     }
         totalWidth += w;
         widths[i] = totalWidth;
     }

-    
+

     return true;
 }
 
     return true;
 }
 


@@ -683,19 +683,19 @@ DoDrawEllipticArcRot(...) is virtual, so it can be called from deeper
 methods like (WinCE) wxDC::DoDrawArc(...).
 
 CalculateEllipticPoints(...) fills a given list of wxPoints with some points
 methods like (WinCE) wxDC::DoDrawArc(...).
 
 CalculateEllipticPoints(...) fills a given list of wxPoints with some points

-of an elliptic arc. The algorithm is pixel-based: In every row (in flat 
+of an elliptic arc. The algorithm is pixel-based: In every row (in flat

 parts) or every column (in steep parts) only one pixel is calculated.
 Trigonometric calculation (sin, cos, tan, atan) is only done if the
 parts) or every column (in steep parts) only one pixel is calculated.
 Trigonometric calculation (sin, cos, tan, atan) is only done if the

-starting angle is not equal to the ending angle. The calculation of the 
+starting angle is not equal to the ending angle. The calculation of the

 pixels is done using simple arithmetic only and should perform not too
 bad even on devices without floating point processor. I didn't test this yet.
 
 Rotate(...) rotates a list of point pixel-based, you will see rounding errors.
 pixels is done using simple arithmetic only and should perform not too
 bad even on devices without floating point processor. I didn't test this yet.
 
 Rotate(...) rotates a list of point pixel-based, you will see rounding errors.

-For instance: an ellipse rotated 180 degrees is drawn 
+For instance: an ellipse rotated 180 degrees is drawn

 slightly different from the original.
 
 slightly different from the original.
 

-The points are then moved to an array and used to draw a polyline and/or polygon 
-(with center added, the pie). 
+The points are then moved to an array and used to draw a polyline and/or polygon
+(with center added, the pie).

 The result looks quite similar to the native ellipse, only e few pixels differ.
 
 The performance on a desktop system (Athlon 1800, WinXP) is about 7 times
 The result looks quite similar to the native ellipse, only e few pixels differ.
 
 The performance on a desktop system (Athlon 1800, WinXP) is about 7 times


@@ -703,7 +703,7 @@ slower as DrawEllipse(...), which calls the native API.
 An rotated ellipse outside the clipping region takes nearly the same time,
 while an native ellipse outside takes nearly no time to draw.
 
 An rotated ellipse outside the clipping region takes nearly the same time,
 while an native ellipse outside takes nearly no time to draw.
 

-If you draw an arc with this new method, you will see the starting and ending angles 
+If you draw an arc with this new method, you will see the starting and ending angles

 are calculated properly.
 If you use DrawEllipticArc(...), you will see they are only correct for circles
 and not properly calculated for ellipses.
 are calculated properly.
 If you use DrawEllipticArc(...), you will see they are only correct for circles
 and not properly calculated for ellipses.


@@ -713,8 +713,8 @@ p.lenhard@t-online.de
 */
 
 #ifdef __WXWINCE__
 */
 
 #ifdef __WXWINCE__

-void wxDCBase::DoDrawEllipticArcRot( wxCoord x, wxCoord y, 
-                                     wxCoord w, wxCoord h, 
+void wxDCBase::DoDrawEllipticArcRot( wxCoord x, wxCoord y,
+                                     wxCoord w, wxCoord h,

                                      double sa, double ea, double angle )
 {
     wxList list;
                                      double sa, double ea, double angle )
 {
     wxList list;


@@ -729,7 +729,7 @@ void wxDCBase::DoDrawEllipticArcRot( wxCoord x, wxCoord y,
     int n = list.Number();
     wxPoint *points = new wxPoint[n];
     int i = 0;
     int n = list.Number();
     wxPoint *points = new wxPoint[n];
     int i = 0;

-    wxNode* node = 0;    
+    wxNode* node = 0;

     for ( node = list.First(); node; node = node->Next(), i++ )
     {
         wxPoint *point = (wxPoint *)node->Data();
     for ( node = list.First(); node; node = node->Next(), i++ )
     {
         wxPoint *point = (wxPoint *)node->Data();


@@ -768,7 +768,7 @@ void wxDCBase::Rotate( wxList* points, double angle, wxPoint center )
         for ( wxNode* node = points->First(); node; node = node->Next() )
         {
             wxPoint* point = (wxPoint*)node->Data();
         for ( wxNode* node = points->First(); node; node = node->Next() )
         {
             wxPoint* point = (wxPoint*)node->Data();

-    
+

             // transform coordinates, if necessary
             if( center.x ) point->x -= center.x;
             if( center.y ) point->y -= center.y;
             // transform coordinates, if necessary
             if( center.x ) point->x -= center.x;
             if( center.y ) point->y -= center.y;


@@ -785,9 +785,9 @@ void wxDCBase::Rotate( wxList* points, double angle, wxPoint center )
     }
 }
 
     }
 }
 

-void wxDCBase::CalculateEllipticPoints( wxList* points, 
-                                        wxCoord xStart, wxCoord yStart, 
-                                        wxCoord w, wxCoord h, 
+void wxDCBase::CalculateEllipticPoints( wxList* points,
+                                        wxCoord xStart, wxCoord yStart,
+                                        wxCoord w, wxCoord h,

                                         double sa, double ea )
 {
     double pi = 3.1415926535;
                                         double sa, double ea )
 {
     double pi = 3.1415926535;


@@ -807,9 +807,9 @@ void wxDCBase::CalculateEllipticPoints( wxList* points,
     wxCoord b = h/2;
     // decrement 1 pixel if ellipse is smaller than 2*a, 2*b
     int decrX = 0;
     wxCoord b = h/2;
     // decrement 1 pixel if ellipse is smaller than 2*a, 2*b
     int decrX = 0;

-    if( 2*a == w ) decrX = 1; 
+    if( 2*a == w ) decrX = 1;

     int decrY = 0;
     int decrY = 0;

-    if( 2*b == h ) decrY = 1; 
+    if( 2*b == h ) decrY = 1;

     // center
     wxCoord xCenter = xStart + a;
     wxCoord yCenter = yStart + b;
     // center
     wxCoord xCenter = xStart + a;
     wxCoord yCenter = yStart + b;


@@ -833,7 +833,7 @@ void wxDCBase::CalculateEllipticPoints( wxList* points,
         ear = ea * pi / 180.0;
         // correct angle circle -> ellipse
         sar = atan( -a/(double)b * tan( sar ) );
         ear = ea * pi / 180.0;
         // correct angle circle -> ellipse
         sar = atan( -a/(double)b * tan( sar ) );

-        if ( sq == 1 || sq == 2 ) sar += pi; 
+        if ( sq == 1 || sq == 2 ) sar += pi;

         ear = atan( -a/(double)b * tan( ear ) );
         if ( eq == 1 || eq == 2 ) ear += pi;
         // coordinates of points
         ear = atan( -a/(double)b * tan( ear ) );
         if ( eq == 1 || eq == 2 ) ear += pi;
         // coordinates of points


@@ -872,7 +872,7 @@ void wxDCBase::CalculateEllipticPoints( wxList* points,
             y2 = y2-y-y+1;
             --y;
         }
             y2 = y2-y-y+1;
             --y;
         }

-        // old y now to big: set point with old y, old x 
+        // old y now to big: set point with old y, old x

         if( bNewPoint && x>1)
         {
             int x1 = x - 1;
         if( bNewPoint && x>1)
         {
             int x1 = x - 1;


@@ -883,7 +883,7 @@ void wxDCBase::CalculateEllipticPoints( wxList* points,
             pointsarray[3].Append( (wxObject*) new wxPoint( xCenter + x1 - decrX, yCenter + y_old - decrY ) );
         } // set point
     } // calculate point
             pointsarray[3].Append( (wxObject*) new wxPoint( xCenter + x1 - decrX, yCenter + y_old - decrY ) );
         } // set point
     } // calculate point

-    
+

     // Starting and/or ending points for the quadrants, first quadrant gets both.
     pointsarray[0].Insert( (wxObject*) new wxPoint( xCenter + a - decrX, yCenter ) );
     pointsarray[0].Append( (wxObject*) new wxPoint( xCenter, yCenter - b ) );
     // Starting and/or ending points for the quadrants, first quadrant gets both.
     pointsarray[0].Insert( (wxObject*) new wxPoint( xCenter + a - decrX, yCenter ) );
     pointsarray[0].Append( (wxObject*) new wxPoint( xCenter, yCenter - b ) );


@@ -907,12 +907,12 @@ void wxDCBase::CalculateEllipticPoints( wxList* points,
             {
                 // once: go to starting point in start quadrant
                 if( !bStarted &&
             {
                 // once: go to starting point in start quadrant
                 if( !bStarted &&

-                    ( 
-                      ( (wxPoint*) node->Data() )->x < xsa+1 && q <= 1 
-                      ||  
+                    (
+                      ( (wxPoint*) node->Data() )->x < xsa+1 && q <= 1
+                      ||

                       ( (wxPoint*) node->Data() )->x > xsa-1 && q >= 2
                     )
                       ( (wxPoint*) node->Data() )->x > xsa-1 && q >= 2
                     )

-                  ) 
+                  )

                 {
                     bStarted = true;
                 }
                 {
                     bStarted = true;
                 }


@@ -922,8 +922,8 @@ void wxDCBase::CalculateEllipticPoints( wxList* points,
                 {
                     if( q != eq || bForceTurn
                         ||
                 {
                     if( q != eq || bForceTurn
                         ||

-                        ( (wxPoint*) node->Data() )->x > xea+1 && q <= 1 
-                        ||  
+                        ( (wxPoint*) node->Data() )->x > xea+1 && q <= 1
+                        ||

                         ( (wxPoint*) node->Data() )->x < xea-1 && q >= 2
                       )
                     {
                         ( (wxPoint*) node->Data() )->x < xea-1 && q >= 2
                       )
                     {


@@ -933,7 +933,7 @@ void wxDCBase::CalculateEllipticPoints( wxList* points,
                     }
                     else if( q == eq && !bForceTurn || ( (wxPoint*) node->Data() )->x == xea)
                     {
                     }
                     else if( q == eq && !bForceTurn || ( (wxPoint*) node->Data() )->x == xea)
                     {

-                        bReady = true; 
+                        bReady = true;

                     }
                 }
             } // for node
                     }
                 }
             } // for node


@@ -952,8 +952,7 @@ void wxDCBase::CalculateEllipticPoints( wxList* points,
                 wxPoint *p = (wxPoint *)node->Data();
                 delete p;
             }
                 wxPoint *p = (wxPoint *)node->Data();
                 delete p;
             }

-        }            
-        
+        }

     }
     else
     {
     }
     else
     {