X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4f21fcb1ae62cc301060f52654f815e6a44c26c9..12bb29f5432174ecbd65549bda832d70d34a98ae:/src/msw/dc.cpp diff --git a/src/msw/dc.cpp b/src/msw/dc.cpp index 74eec510d4..b828f025e1 100644 --- a/src/msw/dc.cpp +++ b/src/msw/dc.cpp @@ -149,6 +149,22 @@ wxAlphaBlend(HDC hdcDst, int xDst, int yDst, #endif // wxHAS_RAW_BITMAP +namespace wxMSW +{ + +// Wrappers for the dynamically loaded {Set,Get}Layout() functions. They work +// in exactly the same way as the standard functions and return GDI_ERROR if +// they're not actually available. +DWORD GetLayout(HDC hdc); +DWORD SetLayout(HDC hdc, DWORD dwLayout); + +// Create a compatible HDC and copy the layout of the source DC to it. This is +// necessary in order to draw bitmaps (which are usually blitted from a +// temporary compatible memory DC to the real target DC) using the same layout. +HDC CreateCompatibleDCWithLayout(HDC hdc); + +} // namespace wxMSW + // ---------------------------------------------------------------------------- // private classes // ---------------------------------------------------------------------------- @@ -881,7 +897,7 @@ void wxMSWDCImpl::DoDrawPoint(wxCoord x, wxCoord y) } void wxMSWDCImpl::DoDrawPolygon(int n, - wxPoint points[], + const wxPoint points[], wxCoord xoffset, wxCoord yoffset, wxPolygonFillMode WXUNUSED_IN_WINCE(fillStyle)) @@ -929,8 +945,8 @@ void wxMSWDCImpl::DoDrawPolygon(int n, void wxMSWDCImpl::DoDrawPolyPolygon(int n, - int count[], - wxPoint points[], + const int count[], + const wxPoint points[], wxCoord xoffset, wxCoord yoffset, wxPolygonFillMode fillStyle) @@ -982,7 +998,7 @@ wxMSWDCImpl::DoDrawPolyPolygon(int n, // __WXWINCE__ } -void wxMSWDCImpl::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset) +void wxMSWDCImpl::DoDrawLines(int n, const wxPoint points[], wxCoord xoffset, wxCoord yoffset) { WXMICROWIN_CHECK_HDC @@ -1326,7 +1342,7 @@ void wxMSWDCImpl::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool #endif // wxUSE_SYSTEM_OPTIONS { HDC cdc = GetHdc(); - HDC hdcMem = ::CreateCompatibleDC(GetHdc()); + HDC hdcMem = wxMSW::CreateCompatibleDCWithLayout(cdc); HGDIOBJ hOldBitmap = ::SelectObject(hdcMem, GetHbitmapOf(bmp)); #if wxUSE_PALETTE wxPalette *pal = bmp.GetPalette(); @@ -1358,17 +1374,16 @@ void wxMSWDCImpl::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool // level wxMemoryDC memDC; + memDC.SetLayoutDirection(GetLayoutDirection()); memDC.SelectObjectAsSource(bmp); GetOwner()->Blit(x, y, width, height, &memDC, 0, 0, wxCOPY, useMask); - - memDC.SelectObject(wxNullBitmap); } } else // no mask, just use BitBlt() { HDC cdc = GetHdc(); - HDC memdc = ::CreateCompatibleDC( cdc ); + HDC memdc = wxMSW::CreateCompatibleDCWithLayout( cdc ); HBITMAP hbitmap = (HBITMAP) bmp.GetHBITMAP( ); wxASSERT_MSG( hbitmap, wxT("bitmap is ok but HBITMAP is NULL?") ); @@ -2267,8 +2282,8 @@ bool wxMSWDCImpl::DoStretchBlit(wxCoord xdest, wxCoord ydest, buffer_bmap = (HBITMAP) bitmapCacheEntry->m_bitmap; #else // !wxUSE_DC_CACHEING // create a temp buffer bitmap and DCs to access it and the mask - dc_mask = ::CreateCompatibleDC(hdcSrc); - dc_buffer = ::CreateCompatibleDC(GetHdc()); + dc_mask = wxMSW::CreateCompatibleDCWithLayout(hdcSrc); + dc_buffer = wxMSW::CreateCompatibleDCWithLayout(GetHdc()); buffer_bmap = ::CreateCompatibleBitmap(GetHdc(), dstWidth, dstHeight); #endif // wxUSE_DC_CACHEING/!wxUSE_DC_CACHEING HGDIOBJ hOldMaskBitmap = ::SelectObject(dc_mask, (HBITMAP) mask->GetMaskBitmap()); @@ -2581,7 +2596,7 @@ wxDCCacheEntry* wxMSWDCImpl::FindDCInCache(wxDCCacheEntry* notThis, WXHDC dc) node = node->GetNext(); } - WXHDC hDC = (WXHDC) ::CreateCompatibleDC((HDC) dc); + WXHDC hDC = (WXHDC) wxMSW::CreateCompatibleDCWithLayout((HDC) dc); if ( !hDC) { wxLogLastError(wxT("CreateCompatibleDC")); @@ -2813,20 +2828,47 @@ void wxMSWDCImpl::DoGradientFillLinear (const wxRect& rect, #if wxUSE_DYNLIB_CLASS -static DWORD wxGetDCLayout(HDC hdc) +namespace wxMSW +{ + +DWORD GetLayout(HDC hdc) { typedef DWORD (WINAPI *GetLayout_t)(HDC); static GetLayout_t wxDL_INIT_FUNC(s_pfn, GetLayout, wxDynamicLibrary(wxT("gdi32.dll"))); - return s_pfnGetLayout ? s_pfnGetLayout(hdc) : (DWORD)-1; + return s_pfnGetLayout ? s_pfnGetLayout(hdc) : GDI_ERROR; +} + +DWORD SetLayout(HDC hdc, DWORD dwLayout) +{ + typedef DWORD (WINAPI *SetLayout_t)(HDC, DWORD); + static SetLayout_t + wxDL_INIT_FUNC(s_pfn, SetLayout, wxDynamicLibrary(wxT("gdi32.dll"))); + + return s_pfnSetLayout ? s_pfnSetLayout(hdc, dwLayout) : GDI_ERROR; +} + +HDC CreateCompatibleDCWithLayout(HDC hdc) +{ + HDC hdcNew = ::CreateCompatibleDC(hdc); + if ( hdcNew ) + { + DWORD dwLayout = wxMSW::GetLayout(hdc); + if ( dwLayout != GDI_ERROR ) + wxMSW::SetLayout(hdcNew, dwLayout); + } + + return hdcNew; } +} // namespace wxMSW + wxLayoutDirection wxMSWDCImpl::GetLayoutDirection() const { - DWORD layout = wxGetDCLayout(GetHdc()); + DWORD layout = wxMSW::GetLayout(GetHdc()); - if ( layout == (DWORD)-1 ) + if ( layout == GDI_ERROR ) return wxLayout_Default; return layout & LAYOUT_RTL ? wxLayout_RightToLeft : wxLayout_LeftToRight; @@ -2834,12 +2876,6 @@ wxLayoutDirection wxMSWDCImpl::GetLayoutDirection() const void wxMSWDCImpl::SetLayoutDirection(wxLayoutDirection dir) { - typedef DWORD (WINAPI *SetLayout_t)(HDC, DWORD); - static SetLayout_t - wxDL_INIT_FUNC(s_pfn, SetLayout, wxDynamicLibrary(wxT("gdi32.dll"))); - if ( !s_pfnSetLayout ) - return; - if ( dir == wxLayout_Default ) { dir = wxTheApp->GetLayoutDirection(); @@ -2847,17 +2883,41 @@ void wxMSWDCImpl::SetLayoutDirection(wxLayoutDirection dir) return; } - DWORD layout = wxGetDCLayout(GetHdc()); + DWORD layout = wxMSW::GetLayout(GetHdc()); + if ( layout == GDI_ERROR ) + return; + if ( dir == wxLayout_RightToLeft ) layout |= LAYOUT_RTL; else layout &= ~LAYOUT_RTL; - s_pfnSetLayout(GetHdc(), layout); + wxMSW::SetLayout(GetHdc(), layout); } #else // !wxUSE_DYNLIB_CLASS +// Provide stubs to avoid ifdefs in the code using these functions. +namespace wxMSW +{ + +DWORD GetLayout(HDC WXUNUSED(hdc)) +{ + return GDI_ERROR; +} + +DWORD SetLayout(HDC WXUNUSED(hdc), DWORD WXUNUSED(dwLayout)) +{ + return GDI_ERROR; +} + +HDC CreateCompatibleDCWithLayout(HDC hdc) +{ + return ::CreateCompatibleDC(hdc); +} + +} // namespace wxMSW + // we can't provide RTL support without dynamic loading, so stub it out wxLayoutDirection wxMSWDCImpl::GetLayoutDirection() const {