]> git.saurik.com Git - wxWidgets.git/blobdiff - src/common/dcbase.cpp
Commit FM's GTK+ native assert dialog code.
[wxWidgets.git] / src / common / dcbase.cpp
index 3326bbda299f24119d7b1dc4809d5896dfac6d70..9f875dd04d6c19e866c1bd6438009576a7e9f053 100644 (file)
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        common/dcbase.cpp
+// Name:        src/common/dcbase.cpp
 // Purpose:     generic methods of the wxDC Class
 // Author:      Vadim Zeitlin
 // Modified by:
 #endif
 
 #include "wx/dc.h"
-#include "wx/math.h"
+#include "wx/dcbuffer.h" // for IMPLEMENT_DYNAMIC_CLASS
+
+#ifndef WX_PRECOMP
+    #include "wx/math.h"
+#endif
 
 // bool wxDCBase::sm_cacheing = false;
 
+IMPLEMENT_ABSTRACT_CLASS(wxDCBase, wxObject)
+
 // ============================================================================
 // implementation
 // ============================================================================
 
+IMPLEMENT_DYNAMIC_CLASS(wxBufferedDC, wxMemoryDC)
+IMPLEMENT_ABSTRACT_CLASS(wxBufferedPaintDC, wxBufferedDC)
+
 #if WXWIN_COMPATIBILITY_2_6
 void wxDCBase::BeginDrawing()
 {
@@ -55,8 +64,9 @@ void wxDCBase::DoDrawCheckMark(wxCoord x1, wxCoord y1,
     wxCoord x2 = x1 + width,
             y2 = y1 + height;
 
-    // this is to yield width of 3 for width == height == 10
-    SetPen(wxPen(GetTextForeground(), (width + height + 1) / 7, wxSOLID));
+    // the pen width is calibrated to give 3 for width == height == 10
+    wxDCPenChanger pen((wxDC&)*this,
+                        wxPen(GetTextForeground(), (width + height + 1)/7));
 
     // we're drawing a scaled version of wx/generic/tick.xpm here
     wxCoord x3 = x1 + (4*width) / 10,   // x of the tick bottom
@@ -321,7 +331,7 @@ void wxDCBase::DoDrawSpline( wxList *points )
     double           x1, y1, x2, y2;
 
     wxList::compatibility_iterator node = points->GetFirst();
-    if (node == wxList::compatibility_iterator())
+    if (!node)
         // empty list
         return;
 
@@ -412,7 +422,7 @@ bool wxDCBase::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths)
 {
     int totalWidth = 0;
 
-    const size_t len = text.Length();
+    const size_t len = text.length();
     widths.Empty();
     widths.Add(0, len);
 
@@ -461,7 +471,7 @@ void wxDCBase::GetMultiLineTextExtent(const wxString& text,
                                       wxCoord *x,
                                       wxCoord *y,
                                       wxCoord *h,
-                                      wxFont *font)
+                                      wxFont *font) const
 {
     wxCoord widthTextMax = 0, widthLine,
             heightTextTotal = 0, heightLineDefault = 0, heightLine = 0;
@@ -688,13 +698,14 @@ void wxDCBase::DoGradientFillLinear(const wxRect& rect,
 {
     // save old pen
     wxPen oldPen = m_pen;
-
-    wxUint8 nR1 = destColour.Red();
-    wxUint8 nG1 = destColour.Green();
-    wxUint8 nB1 = destColour.Blue();
-    wxUint8 nR2 = initialColour.Red();
-    wxUint8 nG2 = initialColour.Green();
-    wxUint8 nB2 = initialColour.Blue();
+    wxBrush oldBrush = m_brush;
+
+    wxUint8 nR1 = initialColour.Red();
+    wxUint8 nG1 = initialColour.Green();
+    wxUint8 nB1 = initialColour.Blue();
+    wxUint8 nR2 = destColour.Red();
+    wxUint8 nG2 = destColour.Green();
+    wxUint8 nB2 = destColour.Blue();
     wxUint8 nR, nG, nB;
 
     if ( nDirection == wxEAST || nDirection == wxWEST )
@@ -723,12 +734,14 @@ void wxDCBase::DoGradientFillLinear(const wxRect& rect,
             else
                 nB = nB1 + (nB2-nB1)*(w-x)/w;
 
-            SetPen(wxPen(wxColour(nR, nG, nB), 1, wxSOLID));
+           wxColour colour(nR,nG,nB);
+            SetPen(wxPen(colour, 1, wxSOLID));
+            SetBrush(wxBrush(colour));
             if(nDirection == wxEAST)
-                DrawRectangle(rect.GetLeft()+x, rect.GetTop(),
+                DrawRectangle(rect.GetRight()-x-xDelta, rect.GetTop(),
                         xDelta, rect.GetHeight());
             else //nDirection == wxWEST
-                DrawRectangle(rect.GetRight()-x-xDelta, rect.GetTop(),
+                DrawRectangle(rect.GetLeft()+x, rect.GetTop(),
                         xDelta, rect.GetHeight());
         }
     }
@@ -758,7 +771,9 @@ void wxDCBase::DoGradientFillLinear(const wxRect& rect,
             else
                 nB = nB1 + (nB2-nB1)*(w-y)/w;
 
-            SetPen(wxPen(wxColour(nR, nG, nB), 1, wxSOLID));
+           wxColour colour(nR,nG,nB);
+            SetPen(wxPen(colour, 1, wxSOLID));
+            SetBrush(wxBrush(colour));
             if(nDirection == wxNORTH)
                 DrawRectangle(rect.GetLeft(), rect.GetTop()+y,
                         rect.GetWidth(), yDelta);
@@ -769,9 +784,10 @@ void wxDCBase::DoGradientFillLinear(const wxRect& rect,
     }
 
     SetPen(oldPen);
+    SetBrush(oldBrush);
 }
 
-void wxDCBase::GradientFillConcentric(const wxRect& rect,
+void wxDCBase::DoGradientFillConcentric(const wxRect& rect,
                                       const wxColour& initialColour,
                                       const wxColour& destColour,
                                       const wxPoint& circleCenter)
@@ -788,12 +804,6 @@ void wxDCBase::GradientFillConcentric(const wxRect& rect,
     wxUint8 nR, nG, nB;
 
 
-    //offsets of the current pixel
-    wxInt32 x, y;
-
-    //Color difference
-    wxInt32 nGradient;
-
     //Radius
     wxInt32 cx = rect.GetWidth() / 2;
     wxInt32 cy = rect.GetHeight() / 2;
@@ -807,28 +817,25 @@ void wxDCBase::GradientFillConcentric(const wxRect& rect,
     wxInt32 nCircleOffX = circleCenter.x - (rect.GetWidth() / 2);
     wxInt32 nCircleOffY = circleCenter.y - (rect.GetHeight() / 2);
 
-    for (x = 0; x < rect.GetWidth(); x++)
+    for ( wxInt32 x = 0; x < rect.GetWidth(); x++ )
     {
-        for (y = 0; y < rect.GetHeight(); y++)
+        for ( wxInt32 y = 0; y < rect.GetHeight(); y++ )
         {
             //get color difference
-            nGradient = (
-                         (nRadius -
-                          (wxInt32)sqrt(
-                                        pow(x - cx - nCircleOffX, 2) +
-                                        pow(y - cy - nCircleOffY, 2)
-                                        )
-                          ) * 100
-                         ) / nRadius;
+            wxInt32 nGradient = ((nRadius -
+                                  (wxInt32)sqrt(
+                                    pow((double)(x - cx - nCircleOffX), 2) +
+                                    pow((double)(y - cy - nCircleOffY), 2)
+                                  )) * 100) / nRadius;
 
             //normalize Gradient
             if (nGradient < 0 )
                 nGradient = 0;
 
             //get dest colors
-            nR = nR1 + ((nR2 - nR1) * nGradient / 100);
-            nG = nG1 + ((nG2 - nG1) * nGradient / 100);
-            nB = nB1 + ((nB2 - nB1) * nGradient / 100);
+            nR = (wxUint8)(nR1 + ((nR2 - nR1) * nGradient / 100));
+            nG = (wxUint8)(nG1 + ((nG2 - nG1) * nGradient / 100));
+            nB = (wxUint8)(nB1 + ((nB2 - nB1) * nGradient / 100));
 
             //set the pixel
             m_pen.SetColour(wxColour(nR,nG,nB));
@@ -894,13 +901,13 @@ void wxDCBase::DoDrawEllipticArcRot( wxCoord x, wxCoord y,
     list.Append( (wxObject*) new wxPoint( x+w/2, y+h/2 ) );
 
     // copy list into array and delete list elements
-    int n = list.Number();
+    int n = list.GetCount();
     wxPoint *points = new wxPoint[n];
     int i = 0;
     wxNode* node = 0;
-    for ( node = list.First(); node; node = node->Next(), i++ )
+    for ( node = list.GetFirst(); node; node = node->GetNext(), i++ )
     {
-        wxPoint *point = (wxPoint *)node->Data();
+        wxPoint *point = (wxPoint *)node->GetData();
         points[i].x = point->x;
         points[i].y = point->y;
         delete point;
@@ -933,9 +940,9 @@ void wxDCBase::Rotate( wxList* points, double angle, wxPoint center )
         double pi(M_PI);
         double dSinA = -sin(angle*2.0*pi/360.0);
         double dCosA = cos(angle*2.0*pi/360.0);
-        for ( wxNode* node = points->First(); node; node = node->Next() )
+        for ( wxNode* node = points->GetFirst(); node; node = node->GetNext() )
         {
-            wxPoint* point = (wxPoint*)node->Data();
+            wxPoint* point = (wxPoint*)node->GetData();
 
             // transform coordinates, if necessary
             if( center.x ) point->x -= center.x;
@@ -1071,14 +1078,14 @@ void wxDCBase::CalculateEllipticPoints( wxList* points,
         bool bForceTurn = ( sq == eq && sa > ea );
         while( !bReady )
         {
-            for( wxNode *node = pointsarray[q].First(); node; node = node->Next() )
+            for( wxNode *node = pointsarray[q].GetFirst(); node; node = node->GetNext() )
             {
                 // once: go to starting point in start quadrant
                 if( !bStarted &&
                     (
-                      ( (wxPoint*) node->Data() )->x < xsa+1 && q <= 1
+                      ( (wxPoint*) node->GetData() )->x < xsa+1 && q <= 1
                       ||
-                      ( (wxPoint*) node->Data() )->x > xsa-1 && q >= 2
+                      ( (wxPoint*) node->GetData() )->x > xsa-1 && q >= 2
                     )
                   )
                 {
@@ -1090,16 +1097,16 @@ void wxDCBase::CalculateEllipticPoints( wxList* points,
                 {
                     if( q != eq || bForceTurn
                         ||
-                        ( (wxPoint*) node->Data() )->x > xea+1 && q <= 1
+                        ( (wxPoint*) node->GetData() )->x > xea+1 && q <= 1
                         ||
-                        ( (wxPoint*) node->Data() )->x < xea-1 && q >= 2
+                        ( (wxPoint*) node->GetData() )->x < xea-1 && q >= 2
                       )
                     {
                         // copy point
-                        wxPoint* pPoint = new wxPoint( *((wxPoint*) node->Data() ) );
+                        wxPoint* pPoint = new wxPoint( *((wxPoint*) node->GetData() ) );
                         points->Append( (wxObject*) pPoint );
                     }
-                    else if( q == eq && !bForceTurn || ( (wxPoint*) node->Data() )->x == xea)
+                    else if( q == eq && !bForceTurn || ( (wxPoint*) node->GetData() )->x == xea)
                     {
                         bReady = true;
                     }
@@ -1115,38 +1122,38 @@ void wxDCBase::CalculateEllipticPoints( wxList* points,
         // delete points
         for( q = 0; q < 4; ++q )
         {
-            for( wxNode *node = pointsarray[q].First(); node; node = node->Next() )
+            for( wxNode *node = pointsarray[q].GetFirst(); node; node = node->GetNext() )
             {
-                wxPoint *p = (wxPoint *)node->Data();
+                wxPoint *p = (wxPoint *)node->GetData();
                 delete p;
             }
         }
     }
     else
     {
+        wxNode* node;
         // copy whole ellipse, wxPoints will be deleted outside
-        for( wxNode *node = pointsarray[0].First(); node; node = node->Next() )
+        for( node = pointsarray[0].GetFirst(); node; node = node->GetNext() )
         {
-            wxObject *p = node->Data();
+            wxObject *p = node->GetData();
             points->Append( p );
         }
-        for( node = pointsarray[1].First(); node; node = node->Next() )
+        for( node = pointsarray[1].GetFirst(); node; node = node->GetNext() )
         {
-            wxObject *p = node->Data();
+            wxObject *p = node->GetData();
             points->Append( p );
         }
-        for( node = pointsarray[2].First(); node; node = node->Next() )
+        for( node = pointsarray[2].GetFirst(); node; node = node->GetNext() )
         {
-            wxObject *p = node->Data();
+            wxObject *p = node->GetData();
             points->Append( p );
         }
-        for( node = pointsarray[3].First(); node; node = node->Next() )
+        for( node = pointsarray[3].GetFirst(); node; node = node->GetNext() )
         {
-            wxObject *p = node->Data();
+            wxObject *p = node->GetData();
             points->Append( p );
         }
     } // not iUseAngles
 } // CalculateEllipticPoints
 
 #endif
-