Override PLATFORM_WIN32 setting if using Wine on Linux/Unix

[wxWidgets.git] / src / msw / dc.cpp

diff --git a/src/msw/dc.cpp b/src/msw/dc.cpp
index df9046419a4cecf948aa8e72a295550f34948a12..86e464506cad2c5edca2fff43352aee87f665a88 100644 (file)
--- a/src/msw/dc.cpp
+++ b/src/msw/dc.cpp
@@ -103,10 +103,10 @@ static const int MM_METRIC = 10;
  */
 
 #ifdef __WXWINCE__
  */
 
 #ifdef __WXWINCE__

-    #define XLOG2DEV(x) ((x-m_logicalOriginX)*m_signX+m_deviceOriginX)
-    #define YLOG2DEV(y) ((y-m_logicalOriginY)*m_signY+m_deviceOriginY)
-    #define XDEV2LOG(x) ((x-m_deviceOriginX)*m_signX+m_logicalOriginX)
-    #define YDEV2LOG(y) ((y-m_deviceOriginY)*m_signY+m_logicalOriginY)
+    #define XLOG2DEV(x) ((x-m_logicalOriginX)*m_signX)
+    #define YLOG2DEV(y) ((y-m_logicalOriginY)*m_signY)
+    #define XDEV2LOG(x) ((x)*m_signX+m_logicalOriginX)
+    #define YDEV2LOG(y) ((y)*m_signY+m_logicalOriginY)

 #else
     #define XLOG2DEV(x) (x)
     #define YLOG2DEV(y) (y)
 #else
     #define XLOG2DEV(x) (x)
     #define YLOG2DEV(y) (y)


@@ -131,13 +131,13 @@ static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
 // otherwise
 static bool AlphaBlt(HDC hdcDst,
                      int x, int y, int w, int h,
 // otherwise
 static bool AlphaBlt(HDC hdcDst,
                      int x, int y, int w, int h,

-                     HDC hdcSrc,
+                     int srcX, int srcY, HDC hdcSrc,

                      const wxBitmap& bmpSrc);
 
 #ifdef wxHAVE_RAW_BITMAP
 // our (limited) AlphaBlend() replacement
 static void
                      const wxBitmap& bmpSrc);
 
 #ifdef wxHAVE_RAW_BITMAP
 // our (limited) AlphaBlend() replacement
 static void

-wxAlphaBlend(HDC hdcDst, int x, int y, int w, int h, const wxBitmap& bmp);
+wxAlphaBlend(HDC hdcDst, int x, int y, int w, int h, int srcX, int srcY, const wxBitmap& bmp);

 #endif
 
 // ----------------------------------------------------------------------------
 #endif
 
 // ----------------------------------------------------------------------------


@@ -407,6 +407,12 @@ void wxDC::SetClippingHrgn(WXHRGN hrgn)
     if ( !::GetClipBox(GetHdc(), &rectClip) )
         return;
 
     if ( !::GetClipBox(GetHdc(), &rectClip) )
         return;
 

+    // GetClipBox returns logical coordinates, so transform to device
+    rectClip.left = LogicalToDeviceX(rectClip.left);
+    rectClip.top = LogicalToDeviceY(rectClip.top);
+    rectClip.right = LogicalToDeviceX(rectClip.right);
+    rectClip.bottom = LogicalToDeviceY(rectClip.bottom);
+

     HRGN hrgnDest = ::CreateRectRgn(0, 0, 0, 0);
     HRGN hrgnClipOld = ::CreateRectRgn(rectClip.left, rectClip.top,
                                        rectClip.right, rectClip.bottom);
     HRGN hrgnDest = ::CreateRectRgn(0, 0, 0, 0);
     HRGN hrgnClipOld = ::CreateRectRgn(rectClip.left, rectClip.top,
                                        rectClip.right, rectClip.bottom);


@@ -908,8 +914,11 @@ void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
         // I wonder if this shouldn´t be done after the LOG2DEV() conversions. RR.
         if ( m_pen.GetStyle() == wxTRANSPARENT )
         {
         // I wonder if this shouldn´t be done after the LOG2DEV() conversions. RR.
         if ( m_pen.GetStyle() == wxTRANSPARENT )
         {

+            // Apparently not needed for WinCE (see e.g. Life! demo)
+#ifndef __WXWINCE__

             x2++;
             y2++;
             x2++;
             y2++;

+#endif

         }
 
         (void)Rectangle(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2));
         }
 
         (void)Rectangle(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2));


@@ -1056,7 +1065,7 @@ void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask
         MemoryHDC hdcMem;
         SelectInHDC select(hdcMem, GetHbitmapOf(bmp));
 
         MemoryHDC hdcMem;
         SelectInHDC select(hdcMem, GetHbitmapOf(bmp));
 

-        if ( AlphaBlt(GetHdc(), x, y, width, height, hdcMem, bmp) )
+        if ( AlphaBlt(GetHdc(), x, y, width, height, 0, 0, hdcMem, bmp) )

             return;
     }
 
             return;
     }
 


@@ -1832,9 +1841,7 @@ void wxDC::SetDeviceOrigin(wxCoord x, wxCoord y)
     m_deviceOriginX = x;
     m_deviceOriginY = y;
 
     m_deviceOriginX = x;
     m_deviceOriginY = y;
 

-#ifndef __WXWINCE__

     ::SetViewportOrgEx(GetHdc(), (int)m_deviceOriginX, (int)m_deviceOriginY, NULL);
     ::SetViewportOrgEx(GetHdc(), (int)m_deviceOriginX, (int)m_deviceOriginY, NULL);

-#endif

 }
 
 // ---------------------------------------------------------------------------
 }
 
 // ---------------------------------------------------------------------------


@@ -1906,7 +1913,7 @@ bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest,
             (m_selectedBitmap.Ok() && m_selectedBitmap.HasAlpha())) )
     {
         if ( AlphaBlt(GetHdc(), xdest, ydest, width, height,
             (m_selectedBitmap.Ok() && m_selectedBitmap.HasAlpha())) )
     {
         if ( AlphaBlt(GetHdc(), xdest, ydest, width, height,

-                      GetHdcOf(*source), bmpSrc) )
+                      xsrc, ysrc, GetHdcOf(*source), bmpSrc) )

             return true;
     }
 
             return true;
     }
 


@@ -2381,7 +2388,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxDCModule, wxModule)
 
 static bool AlphaBlt(HDC hdcDst,
                      int x, int y, int width, int height,
 
 static bool AlphaBlt(HDC hdcDst,
                      int x, int y, int width, int height,

-                     HDC hdcSrc,
+                     int srcX, int srcY, HDC hdcSrc,

                      const wxBitmap& bmp)
 {
     wxASSERT_MSG( bmp.Ok() && bmp.HasAlpha(), _T("AlphaBlt(): invalid bitmap") );
                      const wxBitmap& bmp)
 {
     wxASSERT_MSG( bmp.Ok() && bmp.HasAlpha(), _T("AlphaBlt(): invalid bitmap") );


@@ -2429,7 +2436,7 @@ static bool AlphaBlt(HDC hdcDst,
         bf.AlphaFormat = AC_SRC_ALPHA;
 
         if ( pfnAlphaBlend(hdcDst, x, y, width, height,
         bf.AlphaFormat = AC_SRC_ALPHA;
 
         if ( pfnAlphaBlend(hdcDst, x, y, width, height,

-                           hdcSrc, 0, 0, width, height,
+                           hdcSrc, srcX, srcY, width, height,

                            bf) )
         {
             // skip wxAlphaBlend() call below
                            bf) )
         {
             // skip wxAlphaBlend() call below


@@ -2443,7 +2450,7 @@ static bool AlphaBlt(HDC hdcDst,
     // AlphaBlend() unavailable of failed: use our own (probably much slower)
     // implementation
 #ifdef wxHAVE_RAW_BITMAP
     // AlphaBlend() unavailable of failed: use our own (probably much slower)
     // implementation
 #ifdef wxHAVE_RAW_BITMAP

-    wxAlphaBlend(hdcDst, x, y, width, height, bmp);
+    wxAlphaBlend(hdcDst, x, y, width, height, srcX, srcY, bmp);

 
     return true;
 #else // !wxHAVE_RAW_BITMAP
 
     return true;
 #else // !wxHAVE_RAW_BITMAP


@@ -2459,7 +2466,7 @@ static bool AlphaBlt(HDC hdcDst,
 #ifdef wxHAVE_RAW_BITMAP
 
 static void
 #ifdef wxHAVE_RAW_BITMAP
 
 static void

-wxAlphaBlend(HDC hdcDst, int xDst, int yDst, int w, int h, const wxBitmap& bmpSrc)
+wxAlphaBlend(HDC hdcDst, int xDst, int yDst, int w, int h, int srcX, int srcY, const wxBitmap& bmpSrc)

 {
     // get the destination DC pixels
     wxBitmap bmpDst(w, h, 32 /* force creating RGBA DIB */);
 {
     // get the destination DC pixels
     wxBitmap bmpDst(w, h, 32 /* force creating RGBA DIB */);


@@ -2481,11 +2488,13 @@ wxAlphaBlend(HDC hdcDst, int xDst, int yDst, int w, int h, const wxBitmap& bmpSr
     wxAlphaPixelData::Iterator pDst(dataDst),
                                pSrc(dataSrc);
 
     wxAlphaPixelData::Iterator pDst(dataDst),
                                pSrc(dataSrc);
 

+    pSrc.Offset(dataSrc, srcX, srcY);
+

     for ( int y = 0; y < h; y++ )
     {
         wxAlphaPixelData::Iterator pDstRowStart = pDst,
                                    pSrcRowStart = pSrc;
     for ( int y = 0; y < h; y++ )
     {
         wxAlphaPixelData::Iterator pDstRowStart = pDst,
                                    pSrcRowStart = pSrc;

-
+                                   

         for ( int x = 0; x < w; x++ )
         {
             // note that source bitmap uses premultiplied alpha (as required by
         for ( int x = 0; x < w; x++ )
         {
             // note that source bitmap uses premultiplied alpha (as required by