Don't complain under MicroWindows if a wxDC's HDC is NULL - it happens
during dragging. Small mod to makefile. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10815 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Julian Smart
parent
1a0d517ea4
commit
5adad46628
@ -85,4 +85,4 @@ cleanwx:
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-$(RM) minimal
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wx:
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@pushd $(WXDIR)/src/microwin; make all; popd
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@pushd $(WXDIR)/src/msw; make -f makefile.mic all; popd
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191
src/msw/dc.cpp
191
src/msw/dc.cpp
@ -266,6 +266,10 @@ void wxDC::SelectOldObjects(WXHDC dc)
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void wxDC::UpdateClipBox()
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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RECT rect;
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GetClipBox(GetHdc(), &rect);
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@ -277,6 +281,10 @@ void wxDC::UpdateClipBox()
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void wxDC::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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m_clipping = TRUE;
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// the region coords are always the device ones, so do the translation
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@ -305,6 +313,10 @@ void wxDC::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h)
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void wxDC::DoSetClippingRegionAsRegion(const wxRegion& region)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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wxCHECK_RET( GetHrgnOf(region), wxT("invalid clipping region") );
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m_clipping = TRUE;
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@ -320,6 +332,10 @@ void wxDC::DoSetClippingRegionAsRegion(const wxRegion& region)
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void wxDC::DestroyClippingRegion()
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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if (m_clipping && m_hDC)
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{
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// TODO: this should restore the previous clipping region,
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@ -357,6 +373,10 @@ bool wxDC::CanGetTextExtent() const
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int wxDC::GetDepth() const
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return 16;
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#endif
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return (int)::GetDeviceCaps(GetHdc(), BITSPIXEL);
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}
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@ -366,6 +386,10 @@ int wxDC::GetDepth() const
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void wxDC::Clear()
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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RECT rect;
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if ( m_canvas )
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{
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@ -400,6 +424,10 @@ void wxDC::Clear()
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void wxDC::DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, int style)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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if ( !::ExtFloodFill(GetHdc(), XLOG2DEV(x), YLOG2DEV(y),
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col.GetPixel(),
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style == wxFLOOD_SURFACE ? FLOODFILLSURFACE
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@ -425,6 +453,10 @@ void wxDC::DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, int style)
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bool wxDC::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return FALSE;
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#endif
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wxCHECK_MSG( col, FALSE, _T("NULL colour parameter in wxDC::GetPixel") );
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// get the color of the pixel
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@ -437,6 +469,10 @@ bool wxDC::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const
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void wxDC::DoCrossHair(wxCoord x, wxCoord y)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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wxCoord x1 = x-VIEWPORT_EXTENT;
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wxCoord y1 = y-VIEWPORT_EXTENT;
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wxCoord x2 = x+VIEWPORT_EXTENT;
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@ -454,6 +490,10 @@ void wxDC::DoCrossHair(wxCoord x, wxCoord y)
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void wxDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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(void)MoveToEx(GetHdc(), XLOG2DEV(x1), YLOG2DEV(y1), NULL);
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(void)LineTo(GetHdc(), XLOG2DEV(x2), YLOG2DEV(y2));
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@ -471,6 +511,10 @@ void wxDC::DoDrawArc(wxCoord x1, wxCoord y1,
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wxCoord x2, wxCoord y2,
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wxCoord xc, wxCoord yc)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling
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double dx = xc - x1;
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@ -519,6 +563,10 @@ void wxDC::DoDrawArc(wxCoord x1, wxCoord y1,
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void wxDC::DoDrawCheckMark(wxCoord x1, wxCoord y1,
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wxCoord width, wxCoord height)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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wxCoord x2 = x1 + width,
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y2 = y1 + height;
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@ -553,6 +601,10 @@ void wxDC::DoDrawCheckMark(wxCoord x1, wxCoord y1,
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void wxDC::DoDrawPoint(wxCoord x, wxCoord y)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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COLORREF color = 0x00ffffff;
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if (m_pen.Ok())
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{
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@ -566,6 +618,10 @@ void wxDC::DoDrawPoint(wxCoord x, wxCoord y)
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void wxDC::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset,int fillStyle)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling
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// Do things less efficiently if we have offsets
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@ -599,6 +655,10 @@ void wxDC::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffs
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void wxDC::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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// Do things less efficiently if we have offsets
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if (xoffset != 0 || yoffset != 0)
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{
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@ -626,6 +686,10 @@ void wxDC::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset
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void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling
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wxCoord x2 = x + width;
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@ -663,6 +727,10 @@ void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
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void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling
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// Now, a negative radius value is interpreted to mean
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@ -699,6 +767,10 @@ void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord h
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void wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling
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wxCoord x2 = (x+width);
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@ -713,6 +785,10 @@ void wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
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// Chris Breeze 20/5/98: first implementation of DrawEllipticArc on Windows
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void wxDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling
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wxCoord x2 = x + w;
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@ -756,6 +832,10 @@ void wxDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,d
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void wxDC::DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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wxCHECK_RET( icon.Ok(), wxT("invalid icon in DrawIcon") );
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#ifdef __WIN32__
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@ -770,6 +850,10 @@ void wxDC::DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
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void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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wxCHECK_RET( bmp.Ok(), _T("invalid bitmap in wxDC::DrawBitmap") );
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int width = bmp.GetWidth(),
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@ -855,6 +939,10 @@ void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask
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void wxDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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DrawAnyText(text, x, y);
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// update the bounding box
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@ -867,6 +955,10 @@ void wxDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y)
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void wxDC::DrawAnyText(const wxString& text, wxCoord x, wxCoord y)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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// prepare for drawing the text
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if ( m_textForegroundColour.Ok() )
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SetTextColor(GetHdc(), m_textForegroundColour.GetPixel());
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@ -899,6 +991,10 @@ void wxDC::DoDrawRotatedText(const wxString& text,
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wxCoord x, wxCoord y,
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double angle)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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// we test that we have some font because otherwise we should still use the
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// "else" part below to avoid that DrawRotatedText(angle = 180) and
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// DrawRotatedText(angle = 0) use different fonts (we can't use the default
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@ -967,6 +1063,10 @@ void wxDC::DoDrawRotatedText(const wxString& text,
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void wxDC::SetPalette(const wxPalette& palette)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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// Set the old object temporarily, in case the assignment deletes an object
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// that's not yet selected out.
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if (m_oldPalette)
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@ -1002,6 +1102,10 @@ void wxDC::SetPalette(const wxPalette& palette)
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void wxDC::SetFont(const wxFont& the_font)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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// Set the old object temporarily, in case the assignment deletes an object
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// that's not yet selected out.
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if (m_oldFont)
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@ -1033,6 +1137,10 @@ void wxDC::SetFont(const wxFont& the_font)
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void wxDC::SetPen(const wxPen& pen)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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// Set the old object temporarily, in case the assignment deletes an object
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// that's not yet selected out.
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if (m_oldPen)
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@ -1063,6 +1171,10 @@ void wxDC::SetPen(const wxPen& pen)
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void wxDC::SetBrush(const wxBrush& brush)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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// Set the old object temporarily, in case the assignment deletes an object
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// that's not yet selected out.
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if (m_oldBrush)
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@ -1110,6 +1222,10 @@ void wxDC::SetBrush(const wxBrush& brush)
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void wxDC::SetBackground(const wxBrush& brush)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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m_backgroundBrush = brush;
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if (!m_backgroundBrush.Ok())
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@ -1151,6 +1267,10 @@ void wxDC::SetBackground(const wxBrush& brush)
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void wxDC::SetBackgroundMode(int mode)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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m_backgroundMode = mode;
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// SetBackgroundColour now only refers to text background
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@ -1167,6 +1287,10 @@ void wxDC::SetBackgroundMode(int mode)
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void wxDC::SetLogicalFunction(int function)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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m_logicalFunction = function;
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SetRop(m_hDC);
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@ -1230,6 +1354,10 @@ void wxDC::EndPage()
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wxCoord wxDC::GetCharHeight() const
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return 0;
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#endif
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TEXTMETRIC lpTextMetric;
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GetTextMetrics(GetHdc(), &lpTextMetric);
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@ -1239,6 +1367,10 @@ wxCoord wxDC::GetCharHeight() const
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wxCoord wxDC::GetCharWidth() const
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return 0;
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#endif
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TEXTMETRIC lpTextMetric;
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GetTextMetrics(GetHdc(), &lpTextMetric);
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@ -1250,6 +1382,17 @@ void wxDC::DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
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wxCoord *descent, wxCoord *externalLeading,
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wxFont *font) const
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC())
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{
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if (x) *x = 0;
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if (y) *y = 0;
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if (descent) *descent = 0;
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if (externalLeading) *externalLeading = 0;
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return;
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}
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#endif
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HFONT hfontOld;
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if ( font )
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{
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@ -1281,6 +1424,10 @@ void wxDC::DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
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void wxDC::SetMapMode(int mode)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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m_mappingMode = mode;
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int pixel_width = 0;
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@ -1349,6 +1496,10 @@ void wxDC::SetMapMode(int mode)
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void wxDC::SetUserScale(double x, double y)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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m_userScaleX = x;
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m_userScaleY = y;
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@ -1357,6 +1508,10 @@ void wxDC::SetUserScale(double x, double y)
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void wxDC::SetAxisOrientation(bool xLeftRight, bool yBottomUp)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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m_signX = xLeftRight ? 1 : -1;
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m_signY = yBottomUp ? -1 : 1;
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@ -1365,6 +1520,10 @@ void wxDC::SetAxisOrientation(bool xLeftRight, bool yBottomUp)
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void wxDC::SetSystemScale(double x, double y)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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m_scaleX = x;
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m_scaleY = y;
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@ -1373,6 +1532,10 @@ void wxDC::SetSystemScale(double x, double y)
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void wxDC::SetLogicalOrigin(wxCoord x, wxCoord y)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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m_logicalOriginX = x;
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m_logicalOriginY = y;
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@ -1381,6 +1544,10 @@ void wxDC::SetLogicalOrigin(wxCoord x, wxCoord y)
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void wxDC::SetDeviceOrigin(wxCoord x, wxCoord y)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return;
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#endif
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m_deviceOriginX = x;
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m_deviceOriginY = y;
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@ -1444,6 +1611,10 @@ bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest,
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wxDC *source, wxCoord xsrc, wxCoord ysrc,
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int rop, bool useMask)
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{
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#ifdef __WXMICROWIN__
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if (!GetHDC()) return FALSE;
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#endif
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wxMask *mask = NULL;
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if ( useMask )
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{
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@ -1595,18 +1766,30 @@ bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest,
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void wxDC::DoGetSize(int *w, int *h) const
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{
|
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#ifdef __WXMICROWIN__
|
||||
if (!GetHDC()) return;
|
||||
#endif
|
||||
|
||||
if ( w ) *w = ::GetDeviceCaps(GetHdc(), HORZRES);
|
||||
if ( h ) *h = ::GetDeviceCaps(GetHdc(), VERTRES);
|
||||
}
|
||||
|
||||
void wxDC::DoGetSizeMM(int *w, int *h) const
|
||||
{
|
||||
#ifdef __WXMICROWIN__
|
||||
if (!GetHDC()) return;
|
||||
#endif
|
||||
|
||||
if ( w ) *w = ::GetDeviceCaps(GetHdc(), HORZSIZE);
|
||||
if ( h ) *h = ::GetDeviceCaps(GetHdc(), VERTSIZE);
|
||||
}
|
||||
|
||||
wxSize wxDC::GetPPI() const
|
||||
{
|
||||
#ifdef __WXMICROWIN__
|
||||
if (!GetHDC()) return wxSize();
|
||||
#endif
|
||||
|
||||
int x = ::GetDeviceCaps(GetHdc(), LOGPIXELSX);
|
||||
int y = ::GetDeviceCaps(GetHdc(), LOGPIXELSY);
|
||||
|
||||
@ -1616,6 +1799,10 @@ wxSize wxDC::GetPPI() const
|
||||
// For use by wxWindows only, unless custom units are required.
|
||||
void wxDC::SetLogicalScale(double x, double y)
|
||||
{
|
||||
#ifdef __WXMICROWIN__
|
||||
if (!GetHDC()) return;
|
||||
#endif
|
||||
|
||||
m_logicalScaleX = x;
|
||||
m_logicalScaleY = y;
|
||||
}
|
||||
@ -1625,6 +1812,10 @@ void wxDC::DoGetTextExtent(const wxString& string, float *x, float *y,
|
||||
float *descent, float *externalLeading,
|
||||
wxFont *theFont, bool use16bit) const
|
||||
{
|
||||
#ifdef __WXMICROWIN__
|
||||
if (!GetHDC()) return;
|
||||
#endif
|
||||
|
||||
wxCoord x1, y1, descent1, externalLeading1;
|
||||
GetTextExtent(string, & x1, & y1, & descent1, & externalLeading1, theFont, use16bit);
|
||||
*x = x1; *y = y1;
|
||||
|
||||
@ -212,11 +212,14 @@ wxPaintDC::wxPaintDC(wxWindow *canvas)
|
||||
else // not in cache, create a new one
|
||||
{
|
||||
m_hDC = (WXHDC)::BeginPaint(GetHwndOf(m_canvas), &g_paintStruct);
|
||||
ms_cache.Add(new wxPaintDCInfo(m_canvas, this));
|
||||
if (m_hDC)
|
||||
ms_cache.Add(new wxPaintDCInfo(m_canvas, this));
|
||||
}
|
||||
|
||||
// (re)set the DC parameters
|
||||
InitDC();
|
||||
// (re)set the DC parameters.
|
||||
// Note: at this point m_hDC can be NULL under MicroWindows, when dragging.
|
||||
if (GetHDC())
|
||||
InitDC();
|
||||
}
|
||||
|
||||
wxPaintDC::~wxPaintDC()
|
||||
|
||||
Loading…
Reference in New Issue
Block a user