]> git.saurik.com Git - wxWidgets.git/blobdiff - src/os2/dc.cpp
[#1577388] - fix for scaling in wxImage.
[wxWidgets.git] / src / os2 / dc.cpp
index e21566019854aac44582eee429d6b81ac12e688b..2347161e0e38be1378c0f3e75ebfe47de1c3bdbc 100644 (file)
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        dc.cpp
+// Name:        src/os2/dc.cpp
 // Purpose:     wxDC class
 // Author:      David Webster
 // Modified by:
     #include "wx/log.h"
     #include "wx/icon.h"
     #include "wx/msgdlg.h"
-#if wxUSE_STATUSBAR
+    #include "wx/dcprint.h"
     #include "wx/statusbr.h"
+    #include "wx/module.h"
 #endif
-#endif
-
-#include "wx/module.h"
-#include "wx/dcprint.h"
 
 #include <string.h>
 
 #include "wx/os2/private.h"
 
-    IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
+IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
 
 //
 // wxWidgets uses the Microsoft convention that the origin is the UPPER left.
@@ -353,11 +350,8 @@ wxDC::wxDC(void)
     m_hPS          = NULL;
     m_bIsPaintTime = false; // True at Paint Time
 
-    wxColour vColor( wxT("BLACK") );
-    m_pen.SetColour(vColor);
-
-    vColor.Set( wxT("WHITE") );
-    m_brush.SetColour(vColor);
+    m_pen.SetColour(*wxBLACK);
+    m_brush.SetColour(*wxWHITE);
 
 } // end of wxDC::wxDC
 
@@ -774,11 +768,7 @@ void wxDC::DoDrawArc(
     vPtlArc[0].y = vYm;
     vPtlArc[1].x = vX2;
     vPtlArc[1].y = vY2;
-#if !(defined(__WATCOMC__) && __WATCOMC__ < 1240 )
-// Open Watcom 1.3 had incomplete headers
-// that's reported and should be fixed for OW 1.4
     ::GpiPointArc(m_hPS, vPtlArc); // Draws the arc
-#endif
     CalcBoundingBox( (wxCoord)(vXc - dRadius)
                     ,(wxCoord)(vYc - dRadius)
                    );
@@ -857,47 +847,44 @@ void wxDC::DoDrawPoint(
                    );
 } // end of wxDC::DoDrawPoint
 
-void wxDC::DoDrawPolygon(
-  int                               n
-, wxPoint                           vPoints[]
-, wxCoord                           vXoffset
-, wxCoord                           vYoffset
-, int                               nFillStyle
-)
+void wxDC::DoDrawPolygon( int n,
+                          wxPoint vPoints[],
+                          wxCoord vXoffset,
+                          wxCoord vYoffset,
+                          int nFillStyle )
 {
-    ULONG                           ulCount = 1;    // Number of polygons.
-    POLYGON                         vPlgn;          // polygon.
-    ULONG                           flOptions = 0L; // Drawing options.
-
-//////////////////////////////////////////////////////////////////////////////
-// This contains fields of option bits... to draw boundary lines as well as
-// the area interior.
-//
-// Drawing boundary lines:
-//   POLYGON_NOBOUNDARY              Does not draw boundary lines.
-//   POLYGON_BOUNDARY                Draws boundary lines (the default).
-//
-// Construction of the area interior:
-//   POLYGON_ALTERNATE               Constructs interior in alternate mode
-//                                   (the default).
-//   POLYGON_WINDING                 Constructs interior in winding mode.
-//////////////////////////////////////////////////////////////////////////////
-
-    ULONG                           flModel = 0L; // Drawing model.
+    ULONG     ulCount = 1;    // Number of polygons.
+    POLYGON   vPlgn;          // polygon.
+    ULONG     flOptions = 0L; // Drawing options.
 
-//////////////////////////////////////////////////////////////////////////////
-// Drawing model.
-//   POLYGON_INCL  Fill is inclusive of bottom right (the default).
-//   POLYGON_EXCL  Fill is exclusive of bottom right.
-//       This is provided to aid migration from other graphics models.
-//////////////////////////////////////////////////////////////////////////////
-
-    LONG                            lHits = 0L; // Correlation/error indicator.
-    POINTL                          vPoint;
-    int                             i;
-    int                             nIsTRANSPARENT = 0;
-    LONG                            lBorderColor = 0L;
-    LONG                            lColor = 0L;
+    //////////////////////////////////////////////////////////////////////////////
+    // This contains fields of option bits... to draw boundary lines as well as
+    // the area interior.
+    //
+    // Drawing boundary lines:
+    //   POLYGON_NOBOUNDARY              Does not draw boundary lines.
+    //   POLYGON_BOUNDARY                Draws boundary lines (the default).
+    //
+    // Construction of the area interior:
+    //   POLYGON_ALTERNATE               Constructs interior in alternate mode
+    //                                   (the default).
+    //   POLYGON_WINDING                 Constructs interior in winding mode.
+    //////////////////////////////////////////////////////////////////////////////
+
+    ULONG     flModel = POLYGON_INCL; // Drawing model.
+
+    //////////////////////////////////////////////////////////////////////////////
+    // Drawing model.
+    //   POLYGON_INCL  Fill is inclusive of bottom right (the default).
+    //   POLYGON_EXCL  Fill is exclusive of bottom right.
+    //       This is provided to aid migration from other graphics models.
+    //////////////////////////////////////////////////////////////////////////////
+
+    LONG      lHits = 0L; // Correlation/error indicator.
+    int       i;
+    int       nIsTRANSPARENT = 0;
+    LONG      lBorderColor = 0L;
+    LONG      lColor = 0L;
 
     lBorderColor = m_pen.GetColour().GetPixel();
     lColor       = m_brush.GetColour().GetPixel();
@@ -911,20 +898,17 @@ void wxDC::DoDrawPolygon(
 
     for(i = 0; i < n; i++)
     {
-        vPlgn.aPointl[i].x = vPoints[i].x;         // +xoffset;
-        vPlgn.aPointl[i].y = OS2Y(vPoints[i].y,0); // +yoffset;
+        vPlgn.aPointl[i].x = vPoints[i].x+vXoffset;
+        vPlgn.aPointl[i].y = OS2Y(vPoints[i].y+vYoffset,0);
     }
-    flModel = POLYGON_BOUNDARY;
+    flOptions = POLYGON_BOUNDARY;
     if(nFillStyle == wxWINDING_RULE)
-        flModel |= POLYGON_WINDING;
+        flOptions |= POLYGON_WINDING;
     else
-        flModel |= POLYGON_ALTERNATE;
-
-    vPoint.x = vXoffset;
-    vPoint.y = OS2Y(vYoffset,0);
+        flOptions |= POLYGON_ALTERNATE;
 
     ::GpiSetColor(m_hPS, lBorderColor);
-    ::GpiMove(m_hPS, &vPoint);
+    ::GpiMove(m_hPS, &vPlgn.aPointl[0]);
     lHits = ::GpiPolygons(m_hPS, ulCount, &vPlgn, flOptions, flModel);
     free(vPlgn.aPointl);
 } // end of wxDC::DoDrawPolygon
@@ -1272,7 +1256,7 @@ void wxDC::DoDrawIcon(
     //
     // Need to copy back into a bitmap.  ::WinDrawPointer uses device coords
     // and I don't feel like figuring those out for scrollable windows so
-    // just convert to a bitmap then let the DoDrawBitmap routing display it
+    // just convert to a bitmap then let the DoDrawBitmap routine display it
     //
     if (rIcon.IsXpm())
     {
@@ -1712,11 +1696,9 @@ void wxDC::DoDrawText(
     CalcBoundingBox((vX + vWidth), (vY + vHeight));
 } // end of wxDC::DoDrawText
 
-void wxDC::DrawAnyText(
-  const wxString&                   rsText
-, wxCoord                           vX
-, wxCoord                           vY
-)
+void wxDC::DrawAnyText( const wxString& rsText,
+                        wxCoord vX,
+                        wxCoord vY )
 {
     int                             nOldBackground = 0;
     POINTL                          vPtlStart;
@@ -1757,13 +1739,7 @@ void wxDC::DrawAnyText(
           m_vRclPaint.xRight == 0 &&
           m_vRclPaint.xLeft == 0))
     {
-        //
-        // Position Text a little differently in the Statusbar from other panels
-        //
-        if (m_pCanvas && m_pCanvas->IsKindOf(CLASSINFO(wxStatusBar)))
-            vPtlStart.y = OS2Y(vY,vTextY);
-        else
-            vPtlStart.y = (wxCoord)(OS2Y(vY,vTextY/1.5)); // Full extent is a bit much
+        vPtlStart.y = OS2Y(vY,vTextY);
     }
     else
     {
@@ -1771,16 +1747,13 @@ void wxDC::DrawAnyText(
         {
             m_vRclPaint.yTop = m_vSelectedBitmap.GetHeight();
             m_vRclPaint.xRight = m_vSelectedBitmap.GetWidth();
-            if (m_pCanvas && m_pCanvas->IsKindOf(CLASSINFO(wxStatusBar)))
-                vPtlStart.y = OS2Y(vY,vTextY);
-            else
-                vPtlStart.y = (LONG)(OS2Y(vY,vTextY/1.5));
+            vPtlStart.y = OS2Y(vY,vTextY);
         }
         else
             vPtlStart.y = vY;
     }
 
-    PCH                             pzStr = (PCH)rsText.c_str();
+    PCH pzStr = (PCH)rsText.c_str();
 
     ::GpiMove(m_hPS, &vPtlStart);
     lHits = ::GpiCharString( m_hPS
@@ -2047,73 +2020,33 @@ void wxDC::SetBrush(
     }
 } // end of wxDC::SetBrush
 
-void wxDC::SetBackground(
-  const wxBrush&                    rBrush
-)
+void wxDC::SetBackground(const wxBrush& rBrush)
 {
     m_backgroundBrush = rBrush;
-    if (!m_backgroundBrush.Ok())
-        return;
-    if (m_pCanvas)
-    {
-        bool                        bCustomColours = true;
 
-        //
-        // If we haven't specified wxUSER_COLOURS, don't allow the panel/dialog box to
-        // change background colours from the control-panel specified colours.
-        //
-        if (m_pCanvas->IsKindOf(CLASSINFO(wxWindow)) &&
-            ((m_pCanvas->GetWindowStyleFlag() & wxUSER_COLOURS) != wxUSER_COLOURS))
-            bCustomColours = false;
-        if (bCustomColours)
-        {
-            if (m_backgroundBrush.GetStyle()==wxTRANSPARENT)
-            {
-                m_pCanvas->SetTransparent(true);
-            }
-            else
-            {
-                //
-                // Setting the background brush of a DC
-                // doesn't affect the window background colour. However,
-                // I'm leaving in the transparency setting because it's needed by
-                // various controls (e.g. wxStaticText) to determine whether to draw
-                // transparently or not. TODO: maybe this should be a new function
-                // wxWindow::SetTransparency(). Should that apply to the child itself, or the
-                // parent?
-                // m_canvas->SetBackgroundColour(m_backgroundBrush.GetColour());
-                //
-                m_pCanvas->SetTransparent(false);
-            }
-        }
+    if (m_backgroundBrush.Ok())
+    {
+        (void)::GpiSetBackColor((HPS)m_hPS, m_backgroundBrush.GetColour().GetPixel());
     }
-    COLORREF                        vNewColor = m_backgroundBrush.GetColour().GetPixel();
-    (void)::GpiSetBackColor((HPS)m_hPS, (LONG)vNewColor);
 } // end of wxDC::SetBackground
 
-void wxDC::SetBackgroundMode(
-  int                               nMode
-)
+void wxDC::SetBackgroundMode(int nMode)
 {
     m_backgroundMode = nMode;
 } // end of wxDC::SetBackgroundMode
 
-void wxDC::SetLogicalFunction(
-  int                               nFunction
-)
+void wxDC::SetLogicalFunction(int nFunction)
 {
     m_logicalFunction = nFunction;
     SetRop((WXHDC)m_hDC);
 } // wxDC::SetLogicalFunction
 
-void wxDC::SetRop(
-  WXHDC                             hDC
-)
+void wxDC::SetRop(WXHDC hDC)
 {
     if (!hDC || m_logicalFunction < 0)
         return;
 
-    LONG                            lCRop;
+    LONG lCRop;
     switch (m_logicalFunction)
     {
         case wxXOR:
@@ -2778,12 +2711,10 @@ bool wxDC::DoBlit( wxCoord vXdest,
     return bSuccess;
 }
 
-void wxDC::DoGetSize(
-  int*                              pnWidth
-, int*                              pnHeight
-) const
+void wxDC::DoGetSize( int* pnWidth,
+                      int* pnHeight ) const
 {
-    LONG                            lArray[CAPS_HEIGHT];
+    LONG lArray[CAPS_HEIGHT];
 
     if(::DevQueryCaps( m_hDC
                       ,CAPS_FAMILY
@@ -2851,10 +2782,7 @@ wxSize wxDC::GetPPI() const
     return ppisize;
 } // end of wxDC::GetPPI
 
-void wxDC::SetLogicalScale(
-  double                            dX
-, double                            dY
-)
+void wxDC::SetLogicalScale( double dX, double dY )
 {
     m_logicalScaleX = dX;
     m_logicalScaleY = dY;