X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/888dde65f43d5f57e8fb2028b27191cca1741403..d8abb95f4a6330f6207fe027264c238178fa0d59:/src/msw/dc.cpp diff --git a/src/msw/dc.cpp b/src/msw/dc.cpp index de8d163efa..d878f66645 100644 --- a/src/msw/dc.cpp +++ b/src/msw/dc.cpp @@ -28,7 +28,6 @@ #include "wx/msw/wrapcdlg.h" #include "wx/image.h" #include "wx/window.h" - #include "wx/dc.h" #include "wx/utils.h" #include "wx/dialog.h" #include "wx/app.h" @@ -40,10 +39,11 @@ #include "wx/module.h" #endif +#include "wx/msw/dc.h" #include "wx/sysopt.h" #include "wx/dynlib.h" -#ifdef wxHAVE_RAW_BITMAP +#ifdef wxHAS_RAW_BITMAP #include "wx/rawbmp.h" #endif @@ -84,9 +84,6 @@ IMPLEMENT_ABSTRACT_CLASS(wxMSWDCImpl, wxDCImpl) static const int VIEWPORT_EXTENT = 1000; -static const int MM_POINTS = 9; -static const int MM_METRIC = 10; - // ROPs which don't have standard names (see "Ternary Raster Operations" in the // MSDN docs for how this and other numbers in wxDC::Blit() are obtained) #define DSTCOPY 0x00AA0029 // a.k.a. NOP operation @@ -131,47 +128,154 @@ static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; } // otherwise static bool AlphaBlt(HDC hdcDst, int x, int y, int dstWidth, int dstHeight, - int srcX, int srcY, + int srcX, int srcY, int srcWidth, int srcHeight, HDC hdcSrc, const wxBitmap& bmp); -#ifdef wxHAVE_RAW_BITMAP +#ifdef wxHAS_RAW_BITMAP // our (limited) AlphaBlend() replacement for Windows versions not providing it static void wxAlphaBlend(HDC hdcDst, int xDst, int yDst, int dstWidth, int dstHeight, - int srcX, int srcY, + int srcX, int srcY, int srcWidth, int srcHeight, const wxBitmap& bmpSrc); -#endif // wxHAVE_RAW_BITMAP +#endif // wxHAS_RAW_BITMAP // ---------------------------------------------------------------------------- // private classes // ---------------------------------------------------------------------------- +// various classes to change some DC property temporarily + +// text background and foreground colours +class wxTextColoursChanger +{ +public: + wxTextColoursChanger(HDC hdc, const wxMSWDCImpl& dc) + : m_hdc(hdc) + { + Change(dc.GetTextForeground(), dc.GetTextBackground()); + } + + wxTextColoursChanger(HDC hdc, const wxColour& colFg, const wxColour& colBg) + : m_hdc(hdc) + { + Change(colFg, colBg); + } + + ~wxTextColoursChanger() + { + if ( m_oldColFg != CLR_INVALID ) + ::SetTextColor(m_hdc, m_oldColFg); + if ( m_oldColBg != CLR_INVALID ) + ::SetBkColor(m_hdc, m_oldColBg); + } + +protected: + // this ctor doesn't change mode immediately, call Change() later to do it + // only if needed + wxTextColoursChanger(HDC hdc) + : m_hdc(hdc) + { + m_oldColFg = + m_oldColBg = CLR_INVALID; + } + + void Change(const wxColour& colFg, const wxColour& colBg) + { + if ( colFg.IsOk() ) + { + m_oldColFg = ::SetTextColor(m_hdc, colFg.GetPixel()); + if ( m_oldColFg == CLR_INVALID ) + { + wxLogLastError(_T("SetTextColor")); + } + } + else + { + m_oldColFg = CLR_INVALID; + } + + if ( colBg.IsOk() ) + { + m_oldColBg = ::SetBkColor(m_hdc, colBg.GetPixel()); + if ( m_oldColBg == CLR_INVALID ) + { + wxLogLastError(_T("SetBkColor")); + } + } + else + { + m_oldColBg = CLR_INVALID; + } + } + +private: + const HDC m_hdc; + COLORREF m_oldColFg, + m_oldColBg; + + DECLARE_NO_COPY_CLASS(wxTextColoursChanger) +}; + +// background mode +class wxBkModeChanger +{ +public: + // set background mode to opaque if mode != wxBRUSHSTYLE_TRANSPARENT + wxBkModeChanger(HDC hdc, int mode) + : m_hdc(hdc) + { + Change(mode); + } + + ~wxBkModeChanger() + { + if ( m_oldMode ) + ::SetBkMode(m_hdc, m_oldMode); + } + +protected: + // this ctor doesn't change mode immediately, call Change() later to do it + // only if needed + wxBkModeChanger(HDC hdc) : m_hdc(hdc) { m_oldMode = 0; } + + void Change(int mode) + { + m_oldMode = ::SetBkMode(m_hdc, mode == wxBRUSHSTYLE_TRANSPARENT + ? TRANSPARENT + : OPAQUE); + if ( !m_oldMode ) + { + wxLogLastError(_T("SetBkMode")); + } + } + +private: + const HDC m_hdc; + int m_oldMode; + + DECLARE_NO_COPY_CLASS(wxBkModeChanger) +}; + // instead of duplicating the same code which sets and then restores text // colours in each wxDC method working with wxSTIPPLE_MASK_OPAQUE brushes, // encapsulate this in a small helper class -// wxColourChanger: changes the text colours in the ctor if required and +// wxBrushAttrsSetter: changes the text colours in the ctor if required and // restores them in the dtor -class wxColourChanger +class wxBrushAttrsSetter : private wxBkModeChanger, + private wxTextColoursChanger { public: - wxColourChanger(wxMSWDCImpl& dc); - ~wxColourChanger(); + wxBrushAttrsSetter(wxMSWDCImpl& dc); private: - wxMSWDCImpl& m_dc; - - COLORREF m_colFgOld, m_colBgOld; - - bool m_changed; - - DECLARE_NO_COPY_CLASS(wxColourChanger) + DECLARE_NO_COPY_CLASS(wxBrushAttrsSetter) }; // this class saves the old stretch blit mode during its life time @@ -276,68 +380,44 @@ IMPLEMENT_DYNAMIC_CLASS(wxGDIDLLsCleanupModule, wxModule) // =========================================================================== // ---------------------------------------------------------------------------- -// wxColourChanger +// wxBrushAttrsSetter // ---------------------------------------------------------------------------- -wxColourChanger::wxColourChanger(wxMSWDCImpl& dc) : m_dc(dc) +wxBrushAttrsSetter::wxBrushAttrsSetter(wxMSWDCImpl& dc) + : wxBkModeChanger(GetHdcOf(dc)), + wxTextColoursChanger(GetHdcOf(dc)) { const wxBrush& brush = dc.GetBrush(); - if ( brush.Ok() && brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE ) + if ( brush.IsOk() && brush.GetStyle() == wxBRUSHSTYLE_STIPPLE_MASK_OPAQUE ) { - HDC hdc = GetHdcOf(dc); - m_colFgOld = ::GetTextColor(hdc); - m_colBgOld = ::GetBkColor(hdc); - // note that Windows convention is opposite to wxWidgets one, this is // why text colour becomes the background one and vice versa - const wxColour& colFg = dc.GetTextForeground(); - if ( colFg.Ok() ) - { - ::SetBkColor(hdc, colFg.GetPixel()); - } + wxTextColoursChanger::Change(dc.GetTextBackground(), + dc.GetTextForeground()); - const wxColour& colBg = dc.GetTextBackground(); - if ( colBg.Ok() ) - { - ::SetTextColor(hdc, colBg.GetPixel()); - } - - SetBkMode(hdc, - dc.GetBackgroundMode() == wxTRANSPARENT ? TRANSPARENT - : OPAQUE); - - // flag which telsl us to undo changes in the dtor - m_changed = true; - } - else - { - // nothing done, nothing to undo - m_changed = false; + wxBkModeChanger::Change(dc.GetBackgroundMode()); } } -wxColourChanger::~wxColourChanger() -{ - if ( m_changed ) - { - // restore the colours we changed - HDC hdc = GetHdcOf(m_dc); +// ---------------------------------------------------------------------------- +// wxDC MSW-specific methods +// ---------------------------------------------------------------------------- - ::SetBkMode(hdc, TRANSPARENT); - ::SetTextColor(hdc, m_colFgOld); - ::SetBkColor(hdc, m_colBgOld); - } +WXHDC wxDC::GetHDC() const +{ + wxMSWDCImpl * const impl = wxDynamicCast(GetImpl(), wxMSWDCImpl); + return impl ? impl->GetHDC() : 0; } // --------------------------------------------------------------------------- // wxMSWDCImpl // --------------------------------------------------------------------------- -wxMSWDCImpl::wxMSWDCImpl( wxDC *owner, WXHDC hDC ) : +wxMSWDCImpl::wxMSWDCImpl( wxDC *owner, WXHDC hDC ) : wxDCImpl( owner ) -{ - Init(); - m_hDC = hDC; +{ + Init(); + m_hDC = hDC; } wxMSWDCImpl::~wxMSWDCImpl() @@ -378,7 +458,7 @@ void wxMSWDCImpl::SelectOldObjects(WXHDC dc) { ::SelectObject((HDC) dc, (HBITMAP) m_oldBitmap); #ifdef __WXDEBUG__ - if (m_selectedBitmap.Ok()) + if (m_selectedBitmap.IsOk()) { m_selectedBitmap.SetSelectedInto(NULL); } @@ -455,7 +535,7 @@ wxMSWDCImpl::DoGetClippingBox(wxCoord *x, wxCoord *y, wxCoord *w, wxCoord *h) co wxDCImpl::DoGetClippingBox(x, y, w, h); } -// common part of DoSetClippingRegion() and DoSetClippingRegionAsRegion() +// common part of DoSetClippingRegion() and DoSetDeviceClippingRegion() void wxMSWDCImpl::SetClippingHrgn(WXHRGN hrgn) { wxCHECK_RET( hrgn, wxT("invalid clipping region") ); @@ -523,7 +603,7 @@ void wxMSWDCImpl::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h } } -void wxMSWDCImpl::DoSetClippingRegionAsRegion(const wxRegion& region) +void wxMSWDCImpl::DoSetDeviceClippingRegion(const wxRegion& region) { SetClippingHrgn(region.GetHRGN()); } @@ -601,8 +681,8 @@ void wxMSWDCImpl::Clear() { // No, I think we should simply ignore this if printing on e.g. // a printer DC. - // wxCHECK_RET( m_selectedBitmap.Ok(), wxT("this DC can't be cleared") ); - if (!m_selectedBitmap.Ok()) + // wxCHECK_RET( m_selectedBitmap.IsOk(), wxT("this DC can't be cleared") ); + if (!m_selectedBitmap.IsOk()) return; rect.left = -m_deviceOriginX; rect.top = -m_deviceOriginY; @@ -716,7 +796,7 @@ void wxMSWDCImpl::DoDrawArc(wxCoord x1, wxCoord y1, WXMICROWIN_CHECK_HDC - wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling + wxBrushAttrsSetter cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling double dx = xc - x1; double dy = yc - y1; @@ -743,7 +823,7 @@ void wxMSWDCImpl::DoDrawArc(wxCoord x1, wxCoord y1, wxCoord xxx2 = (wxCoord) (xxc+ray); wxCoord yyy2 = (wxCoord) (yyc+ray); - if ( m_brush.Ok() && m_brush.GetStyle() != wxTRANSPARENT ) + if ( m_brush.IsOk() && m_brush.GetStyle() != wxBRUSHSTYLE_TRANSPARENT ) { // Have to add 1 to bottom-right corner of rectangle // to make semi-circles look right (crooked line otherwise). @@ -779,7 +859,7 @@ void wxMSWDCImpl::DoDrawCheckMark(wxCoord x1, wxCoord y1, rect.bottom = y2; #ifdef __WXWINCE__ - DrawFrameControl(GetHdc(), &rect, DFC_BUTTON, DFCS_BUTTONCHECK); + DrawFrameControl(GetHdc(), &rect, DFC_BUTTON, DFCS_BUTTONCHECK | DFCS_CHECKED); #else DrawFrameControl(GetHdc(), &rect, DFC_MENU, DFCS_MENUCHECK); #endif @@ -794,7 +874,7 @@ void wxMSWDCImpl::DoDrawPoint(wxCoord x, wxCoord y) WXMICROWIN_CHECK_HDC COLORREF color = 0x00ffffff; - if (m_pen.Ok()) + if (m_pen.IsOk()) { color = m_pen.GetColour().GetPixel(); } @@ -812,7 +892,7 @@ void wxMSWDCImpl::DoDrawPolygon(int n, { WXMICROWIN_CHECK_HDC - wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling + wxBrushAttrsSetter cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling // Do things less efficiently if we have offsets if (xoffset != 0 || yoffset != 0) @@ -860,11 +940,11 @@ wxMSWDCImpl::DoDrawPolyPolygon(int n, int fillStyle) { #ifdef __WXWINCE__ - wxDCBase::DoDrawPolyPolygon(n, count, points, xoffset, yoffset, fillStyle); + wxDCImpl::DoDrawPolyPolygon(n, count, points, xoffset, yoffset, fillStyle); #else WXMICROWIN_CHECK_HDC - wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling + wxBrushAttrsSetter cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling int i, cnt; for (i = cnt = 0; i < n; i++) cnt += count[i]; @@ -939,39 +1019,26 @@ void wxMSWDCImpl::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord h { WXMICROWIN_CHECK_HDC - wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling + wxBrushAttrsSetter cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling wxCoord x2 = x + width; wxCoord y2 = y + height; - if ((m_logicalFunction == wxCOPY) && (m_pen.GetStyle() == wxTRANSPARENT)) - { - RECT rect; - rect.left = XLOG2DEV(x); - rect.top = YLOG2DEV(y); - rect.right = XLOG2DEV(x2); - rect.bottom = YLOG2DEV(y2); - (void)FillRect(GetHdc(), &rect, (HBRUSH)m_brush.GetResourceHandle() ); - } - else - { - // Windows draws the filled rectangles without outline (i.e. drawn with a - // transparent pen) one pixel smaller in both directions and we want them - // to have the same size regardless of which pen is used - adjust + wxCoord x2dev = XLOG2DEV(x2), + y2dev = YLOG2DEV(y2); - // I wonder if this shouldnt be done after the LOG2DEV() conversions. RR. - if ( m_pen.GetStyle() == wxTRANSPARENT ) - { - // Apparently not needed for WinCE (see e.g. Life! demo) + // Windows (but not Windows CE) draws the filled rectangles without outline + // (i.e. drawn with a transparent pen) one pixel smaller in both directions + // and we want them to have the same size regardless of which pen is used #ifndef __WXWINCE__ - x2++; - y2++; -#endif - } - - (void)Rectangle(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2)); + if ( m_pen.IsOk() && m_pen.GetStyle() == wxPENSTYLE_TRANSPARENT ) + { + x2dev++; + y2dev++; } +#endif // !__WXWINCE__ + (void)Rectangle(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), x2dev, y2dev); CalcBoundingBox(x, y); CalcBoundingBox(x2, y2); @@ -981,7 +1048,7 @@ void wxMSWDCImpl::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wx { WXMICROWIN_CHECK_HDC - wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling + wxBrushAttrsSetter cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling // Now, a negative radius value is interpreted to mean // 'the proportion of the smallest X or Y dimension' @@ -998,7 +1065,7 @@ void wxMSWDCImpl::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wx // Windows draws the filled rectangles without outline (i.e. drawn with a // transparent pen) one pixel smaller in both directions and we want them // to have the same size regardless of which pen is used - adjust - if ( m_pen.GetStyle() == wxTRANSPARENT ) + if ( m_pen.GetStyle() == wxPENSTYLE_TRANSPARENT ) { x2++; y2++; @@ -1015,24 +1082,25 @@ void wxMSWDCImpl::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord hei { WXMICROWIN_CHECK_HDC - wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling + wxBrushAttrsSetter cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling - wxCoord x2 = (x+width); - wxCoord y2 = (y+height); + // +1 below makes the ellipse more similar to other platforms. + // In particular, DoDrawEllipse(x,y,1,1) should draw one point. + wxCoord x2 = x + width + 1; + wxCoord y2 = y + height + 1; + + // Problem: Windows GDI Ellipse() with x2-x == y2-y == 3 and transparent + // pen doesn't draw anything. Should we provide a workaround? - (void)Ellipse(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2)); + ::Ellipse(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2)); CalcBoundingBox(x, y); CalcBoundingBox(x2, y2); } -#if wxUSE_SPLINES +#if wxUSE_SPLINES && !defined(__WXWINCE__) void wxMSWDCImpl::DoDrawSpline(const wxPointList *points) { -#ifdef __WXWINCE__ - // WinCE does not support ::PolyBezier so use generic version - wxDCBase::DoDrawSpline(points); -#else // quadratic b-spline to cubic bezier spline conversion // // quadratic spline with control points P0,P1,P2 @@ -1121,9 +1189,8 @@ void wxMSWDCImpl::DoDrawSpline(const wxPointList *points) ::PolyBezier( GetHdc(), lppt, bezier_pos ); free(lppt); -#endif } -#endif +#endif // wxUSE_SPLINES // Chris Breeze 20/5/98: first implementation of DrawEllipticArc on Windows void wxMSWDCImpl::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea) @@ -1134,7 +1201,7 @@ void wxMSWDCImpl::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,doub WXMICROWIN_CHECK_HDC - wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling + wxBrushAttrsSetter cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling wxCoord x2 = x + w; wxCoord y2 = y + h; @@ -1154,13 +1221,13 @@ void wxMSWDCImpl::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,doub // Swap start and end positions if the end angle is less than the start angle. if (ea < sa) { - int temp; - temp = rx2; - rx2 = rx1; - rx1 = temp; - temp = ry2; - ry2 = ry1; - ry1 = temp; + int temp; + temp = rx2; + rx2 = rx1; + rx1 = temp; + temp = ry2; + ry2 = ry1; + ry1 = temp; } // draw pie with NULL_PEN first and then outline otherwise a line is @@ -1191,7 +1258,7 @@ void wxMSWDCImpl::DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y) { WXMICROWIN_CHECK_HDC - wxCHECK_RET( icon.Ok(), wxT("invalid icon in DrawIcon") ); + wxCHECK_RET( icon.IsOk(), wxT("invalid icon in DrawIcon") ); #ifdef __WIN32__ ::DrawIconEx(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), GetHiconOf(icon), icon.GetWidth(), icon.GetHeight(), 0, NULL, DI_NORMAL); @@ -1207,7 +1274,7 @@ void wxMSWDCImpl::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool { WXMICROWIN_CHECK_HDC - wxCHECK_RET( bmp.Ok(), _T("invalid bitmap in wxMSWDCImpl::DrawBitmap") ); + wxCHECK_RET( bmp.IsOk(), _T("invalid bitmap in wxMSWDCImpl::DrawBitmap") ); int width = bmp.GetWidth(), height = bmp.GetHeight(); @@ -1301,16 +1368,7 @@ void wxMSWDCImpl::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool wxASSERT_MSG( hbitmap, wxT("bitmap is ok but HBITMAP is NULL?") ); - COLORREF old_textground = ::GetTextColor(GetHdc()); - COLORREF old_background = ::GetBkColor(GetHdc()); - if (m_textForegroundColour.Ok()) - { - ::SetTextColor(GetHdc(), m_textForegroundColour.GetPixel() ); - } - if (m_textBackgroundColour.Ok()) - { - ::SetBkColor(GetHdc(), m_textBackgroundColour.GetPixel() ); - } + wxTextColoursChanger textCol(GetHdc(), *this); #if wxUSE_PALETTE wxPalette *pal = bmp.GetPalette(); @@ -1331,9 +1389,6 @@ void wxMSWDCImpl::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool ::SelectObject( memdc, hOldBitmap ); ::DeleteDC( memdc ); - - ::SetTextColor(GetHdc(), old_textground); - ::SetBkColor(GetHdc(), old_background); } } @@ -1356,39 +1411,15 @@ void wxMSWDCImpl::DrawAnyText(const wxString& text, wxCoord x, wxCoord y) WXMICROWIN_CHECK_HDC // prepare for drawing the text - if ( m_textForegroundColour.Ok() ) - SetTextColor(GetHdc(), m_textForegroundColour.GetPixel()); - - DWORD old_background = 0; - if ( m_textBackgroundColour.Ok() ) - { - old_background = SetBkColor(GetHdc(), m_textBackgroundColour.GetPixel() ); - } + wxTextColoursChanger textCol(GetHdc(), *this); - SetBkMode(GetHdc(), m_backgroundMode == wxTRANSPARENT ? TRANSPARENT - : OPAQUE); + wxBkModeChanger bkMode(GetHdc(), m_backgroundMode); -#ifdef __WXWINCE__ if ( ::ExtTextOut(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), 0, NULL, text.c_str(), text.length(), NULL) == 0 ) { wxLogLastError(wxT("TextOut")); } -#else - if ( ::TextOut(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), - text.c_str(), text.length()) == 0 ) - { - wxLogLastError(wxT("TextOut")); - } -#endif - - // restore the old parameters (text foreground colour may be left because - // it never is set to anything else, but background should remain - // transparent even if we just drew an opaque string) - if ( m_textBackgroundColour.Ok() ) - (void)SetBkColor(GetHdc(), old_background); - - SetBkMode(GetHdc(), TRANSPARENT); } void wxMSWDCImpl::DoDrawRotatedText(const wxString& text, @@ -1401,7 +1432,7 @@ void wxMSWDCImpl::DoDrawRotatedText(const wxString& text, // "else" part below to avoid that DrawRotatedText(angle = 180) and // DrawRotatedText(angle = 0) use different fonts (we can't use the default // font for drawing rotated fonts unfortunately) - if ( (angle == 0.0) && m_font.Ok() ) + if ( (angle == 0.0) && m_font.IsOk() ) { DoDrawText(text, x, y); } @@ -1411,7 +1442,7 @@ void wxMSWDCImpl::DoDrawRotatedText(const wxString& text, // NB: don't take DEFAULT_GUI_FONT (a.k.a. wxSYS_DEFAULT_GUI_FONT) // because it's not TrueType and so can't have non zero // orientation/escapement under Win9x - wxFont font = m_font.Ok() ? m_font : *wxSWISS_FONT; + wxFont font = m_font.IsOk() ? m_font : *wxSWISS_FONT; HFONT hfont = (HFONT)font.GetResourceHandle(); LOGFONT lf; if ( ::GetObject(hfont, sizeof(lf), &lf) == 0 ) @@ -1478,7 +1509,7 @@ void wxMSWDCImpl::DoSelectPalette(bool realize) m_oldPalette = 0; } - if ( m_palette.Ok() ) + if ( m_palette.IsOk() ) { HPALETTE oldPal = ::SelectPalette(GetHdc(), GetHpaletteOf(m_palette), @@ -1493,7 +1524,7 @@ void wxMSWDCImpl::DoSelectPalette(bool realize) void wxMSWDCImpl::SetPalette(const wxPalette& palette) { - if ( palette.Ok() ) + if ( palette.IsOk() ) { m_palette = palette; DoSelectPalette(true); @@ -1531,7 +1562,7 @@ void wxMSWDCImpl::SetFont(const wxFont& font) if ( font == m_font ) return; - if ( font.Ok() ) + if ( font.IsOk() ) { HGDIOBJ hfont = ::SelectObject(GetHdc(), GetHfontOf(font)); if ( hfont == HGDI_ERROR ) @@ -1569,7 +1600,7 @@ void wxMSWDCImpl::SetPen(const wxPen& pen) if ( pen == m_pen ) return; - if ( pen.Ok() ) + if ( pen.IsOk() ) { HGDIOBJ hpen = ::SelectObject(GetHdc(), GetHpenOf(pen)); if ( hpen == HGDI_ERROR ) @@ -1607,12 +1638,12 @@ void wxMSWDCImpl::SetBrush(const wxBrush& brush) if ( brush == m_brush ) return; - if ( brush.Ok() ) + if ( brush.IsOk() ) { // we must make sure the brush is aligned with the logical coordinates // before selecting it wxBitmap *stipple = brush.GetStipple(); - if ( stipple && stipple->Ok() ) + if ( stipple && stipple->IsOk() ) { if ( !::SetBrushOrgEx ( @@ -1661,7 +1692,7 @@ void wxMSWDCImpl::SetBackground(const wxBrush& brush) m_backgroundBrush = brush; - if ( m_backgroundBrush.Ok() ) + if ( m_backgroundBrush.IsOk() ) { (void)SetBkColor(GetHdc(), m_backgroundBrush.GetColour().GetPixel()); } @@ -1782,7 +1813,7 @@ void wxMSWDCImpl::DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y HFONT hfontOld; if ( font ) { - wxASSERT_MSG( font->Ok(), _T("invalid font in wxMSWDCImpl::GetTextExtent") ); + wxASSERT_MSG( font->IsOk(), _T("invalid font in wxMSWDCImpl::GetTextExtent") ); hfontOld = (HFONT)::SelectObject(GetHdc(), GetHfontOf(*font)); } @@ -1888,9 +1919,9 @@ bool wxMSWDCImpl::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widt void wxMSWDCImpl::RealizeScaleAndOrigin() { - // VZ: it seems very wasteful to always use MM_ANISOTROPIC when in 99% of - // cases we could do with MM_TEXT and in the remaining 0.9% with - // MM_ISOTROPIC (TODO!) + // although it may seem wasteful to always use MM_ANISOTROPIC here instead + // of using MM_TEXT if there is no scaling, benchmarking doesn't detect any + // noticeable difference between these mapping modes #ifndef __WXWINCE__ ::SetMapMode(GetHdc(), MM_ANISOTROPIC); @@ -1903,7 +1934,6 @@ void wxMSWDCImpl::RealizeScaleAndOrigin() ::SetViewportOrgEx(GetHdc(), m_deviceOriginX, m_deviceOriginY, NULL); ::SetWindowOrgEx(GetHdc(), m_logicalOriginX, m_logicalOriginY, NULL); #endif - } void wxMSWDCImpl::SetMapMode(int mode) @@ -1959,9 +1989,9 @@ void wxMSWDCImpl::SetMapMode(int mode) wxFAIL_MSG( _T("unknown mapping mode in SetMapMode") ); } } - + ComputeScaleAndOrigin(); - + RealizeScaleAndOrigin(); } @@ -1973,7 +2003,7 @@ void wxMSWDCImpl::SetUserScale(double x, double y) return; wxDCImpl::SetUserScale(x,y); - + RealizeScaleAndOrigin(); } @@ -1984,10 +2014,10 @@ void wxMSWDCImpl::SetAxisOrientation(bool xLeftRight, int signX = xLeftRight ? 1 : -1, signY = yBottomUp ? -1 : 1; - + if (signX == m_signX && signY == m_signY) return; - + wxDCImpl::SetAxisOrientation( xLeftRight, yBottomUp ); RealizeScaleAndOrigin(); @@ -2002,9 +2032,15 @@ void wxMSWDCImpl::SetLogicalOrigin(wxCoord x, wxCoord y) wxDCImpl::SetLogicalOrigin( x, y ); -#ifndef __WXWINCE__ - ::SetWindowOrgEx(GetHdc(), (int)m_logicalOriginX, (int)m_logicalOriginY, NULL); -#endif + RealizeScaleAndOrigin(); +} + +// For use by wxWidgets only, unless custom units are required. +void wxMSWDCImpl::SetLogicalScale(double x, double y) +{ + WXMICROWIN_CHECK_HDC + + wxDCImpl::SetLogicalScale(x,y); } void wxMSWDCImpl::SetDeviceOrigin(wxCoord x, wxCoord y) @@ -2013,7 +2049,7 @@ void wxMSWDCImpl::SetDeviceOrigin(wxCoord x, wxCoord y) if ( x == m_deviceOriginX && y == m_deviceOriginY ) return; - + wxDCImpl::SetDeviceOrigin( x, y ); ::SetViewportOrgEx(GetHdc(), (int)m_deviceOriginX, (int)m_deviceOriginY, NULL); @@ -2045,23 +2081,23 @@ bool wxMSWDCImpl::DoStretchBlit(wxCoord xdest, wxCoord ydest, WXMICROWIN_CHECK_HDC_RET(false) - wxDCImpl *impl = source->GetImpl(); - wxMSWDCImpl *msw_impl = wxDynamicCast( impl, wxMSWDCImpl ); - if (!msw_impl) + wxMSWDCImpl *implSrc = wxDynamicCast( source->GetImpl(), wxMSWDCImpl ); + if ( !implSrc ) { - // TODO: Do we want to be able to blit - // from other DCs too? + // TODO: Do we want to be able to blit from other DCs too? return false; } + const HDC hdcSrc = GetHdcOf(*implSrc); + // if either the source or destination has alpha channel, we must use // AlphaBlt() as other function don't handle it correctly - const wxBitmap& bmpSrc = msw_impl->GetSelectedBitmap(); - if ( bmpSrc.Ok() && (bmpSrc.HasAlpha() || - (m_selectedBitmap.Ok() && m_selectedBitmap.HasAlpha())) ) + const wxBitmap& bmpSrc = implSrc->GetSelectedBitmap(); + if ( bmpSrc.IsOk() && (bmpSrc.HasAlpha() || + (m_selectedBitmap.IsOk() && m_selectedBitmap.HasAlpha())) ) { if ( AlphaBlt(GetHdc(), xdest, ydest, dstWidth, dstHeight, - xsrc, ysrc, srcWidth, srcHeight, GetHdcOf(*msw_impl), bmpSrc) ) + xsrc, ysrc, srcWidth, srcHeight, hdcSrc, bmpSrc) ) return true; } @@ -2070,7 +2106,7 @@ bool wxMSWDCImpl::DoStretchBlit(wxCoord xdest, wxCoord ydest, { mask = bmpSrc.GetMask(); - if ( !(bmpSrc.Ok() && mask && mask->GetMaskBitmap()) ) + if ( !(bmpSrc.IsOk() && mask && mask->GetMaskBitmap()) ) { // don't give assert here because this would break existing // programs - just silently ignore useMask parameter @@ -2083,16 +2119,7 @@ bool wxMSWDCImpl::DoStretchBlit(wxCoord xdest, wxCoord ydest, xsrcMask = xsrc; ysrcMask = ysrc; } - COLORREF old_textground = ::GetTextColor(GetHdc()); - COLORREF old_background = ::GetBkColor(GetHdc()); - if (m_textForegroundColour.Ok()) - { - ::SetTextColor(GetHdc(), m_textForegroundColour.GetPixel() ); - } - if (m_textBackgroundColour.Ok()) - { - ::SetBkColor(GetHdc(), m_textBackgroundColour.GetPixel() ); - } + wxTextColoursChanger textCol(GetHdc(), *this); DWORD dwRop; switch (rop) @@ -2141,7 +2168,7 @@ bool wxMSWDCImpl::DoStretchBlit(wxCoord xdest, wxCoord ydest, ( GetHdc(), xdest, ydest, dstWidth, dstHeight, - GetHdcOf(*msw_impl), + hdcSrc, xsrc, ysrc, (HBITMAP)mask->GetMaskBitmap(), xsrcMask, ysrcMask, @@ -2160,7 +2187,7 @@ bool wxMSWDCImpl::DoStretchBlit(wxCoord xdest, wxCoord ydest, #if wxUSE_DC_CACHEING // create a temp buffer bitmap and DCs to access it and the mask - wxDCCacheEntry* dcCacheEntry1 = FindDCInCache(NULL, msw_impl->GetHDC()); + wxDCCacheEntry* dcCacheEntry1 = FindDCInCache(NULL, hdcSrc); dc_mask = (HDC) dcCacheEntry1->m_dc; wxDCCacheEntry* dcCacheEntry2 = FindDCInCache(dcCacheEntry1, GetHDC()); @@ -2172,7 +2199,7 @@ 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(GetHdcOf(*source)); + dc_mask = ::CreateCompatibleDC(hdcSrc); dc_buffer = ::CreateCompatibleDC(GetHdc()); buffer_bmap = ::CreateCompatibleBitmap(GetHdc(), dstWidth, dstHeight); #endif // wxUSE_DC_CACHEING/!wxUSE_DC_CACHEING @@ -2180,7 +2207,7 @@ bool wxMSWDCImpl::DoStretchBlit(wxCoord xdest, wxCoord ydest, HGDIOBJ hOldBufferBitmap = ::SelectObject(dc_buffer, buffer_bmap); // copy dest to buffer - if ( !::BitBlt(dc_buffer, 0, 0, (int)dstWidth, (int)dstHeight, + if ( !::BitBlt(dc_buffer, 0, 0, dstWidth, dstHeight, GetHdc(), xdest, ydest, SRCCOPY) ) { wxLogLastError(wxT("BitBlt")); @@ -2191,35 +2218,35 @@ bool wxMSWDCImpl::DoStretchBlit(wxCoord xdest, wxCoord ydest, #endif // copy src to buffer using selected raster op - if ( !::StretchBlt(dc_buffer, 0, 0, (int)dstWidth, (int)dstHeight, - GetHdcOf(*msw_impl), xsrc, ysrc, srcWidth, srcHeight, dwRop) ) + if ( !::StretchBlt(dc_buffer, 0, 0, dstWidth, dstHeight, + hdcSrc, xsrc, ysrc, srcWidth, srcHeight, dwRop) ) { wxLogLastError(wxT("StretchBlt")); } - // set masked area in buffer to BLACK (pixel value 0) - COLORREF prevBkCol = ::SetBkColor(GetHdc(), RGB(255, 255, 255)); - COLORREF prevCol = ::SetTextColor(GetHdc(), RGB(0, 0, 0)); - if ( !::StretchBlt(dc_buffer, 0, 0, (int)dstWidth, (int)dstHeight, - dc_mask, xsrcMask, ysrcMask, srcWidth, srcHeight, SRCAND) ) + // set masked area in buffer to BLACK { - wxLogLastError(wxT("StretchBlt")); - } + wxTextColoursChanger textCol2(GetHdc(), *wxBLACK, *wxWHITE); + if ( !::StretchBlt(dc_buffer, 0, 0, dstWidth, dstHeight, + dc_mask, xsrcMask, ysrcMask, + srcWidth, srcHeight, SRCAND) ) + { + wxLogLastError(wxT("StretchBlt")); + } - // set unmasked area in dest to BLACK - ::SetBkColor(GetHdc(), RGB(0, 0, 0)); - ::SetTextColor(GetHdc(), RGB(255, 255, 255)); - if ( !::StretchBlt(GetHdc(), xdest, ydest, (int)dstWidth, (int)dstHeight, - dc_mask, xsrcMask, ysrcMask, srcWidth, srcHeight, SRCAND) ) - { - wxLogLastError(wxT("StretchBlt")); - } - ::SetBkColor(GetHdc(), prevBkCol); // restore colours to original values - ::SetTextColor(GetHdc(), prevCol); + // set unmasked area in dest to BLACK + ::SetBkColor(GetHdc(), RGB(0, 0, 0)); + ::SetTextColor(GetHdc(), RGB(255, 255, 255)); + if ( !::StretchBlt(GetHdc(), xdest, ydest, dstWidth, dstHeight, + dc_mask, xsrcMask, ysrcMask, + srcWidth, srcHeight, SRCAND) ) + { + wxLogLastError(wxT("StretchBlt")); + } + } // restore the original text and background colours // OR buffer to dest - success = ::BitBlt(GetHdc(), xdest, ydest, - (int)dstWidth, (int)dstHeight, + success = ::BitBlt(GetHdc(), xdest, ydest, dstWidth, dstHeight, dc_buffer, 0, 0, SRCPAINT) != 0; if ( !success ) { @@ -2247,7 +2274,7 @@ bool wxMSWDCImpl::DoStretchBlit(wxCoord xdest, wxCoord ydest, // FIXME: use appropriate WinCE functions #ifndef __WXWINCE__ const int caps = ::GetDeviceCaps(GetHdc(), RASTERCAPS); - if ( bmpSrc.Ok() && (caps & RC_STRETCHDIB) ) + if ( bmpSrc.IsOk() && (caps & RC_STRETCHDIB) ) { DIBSECTION ds; wxZeroMemory(ds); @@ -2303,7 +2330,7 @@ bool wxMSWDCImpl::DoStretchBlit(wxCoord xdest, wxCoord ydest, ( GetHdc(), xdest, ydest, dstWidth, dstHeight, - GetHdcOf(*msw_impl), + hdcSrc, xsrc, ysrc, srcWidth, srcHeight, dwRop ) ) @@ -2318,15 +2345,8 @@ bool wxMSWDCImpl::DoStretchBlit(wxCoord xdest, wxCoord ydest, if ( !success ) { - if ( !::BitBlt - ( - GetHdc(), - xdest, ydest, - (int)dstWidth, (int)dstHeight, - GetHdcOf(*msw_impl), - xsrc, ysrc, - dwRop - ) ) + if ( !::BitBlt(GetHdc(), xdest, ydest, dstWidth, dstHeight, + hdcSrc, xsrc, ysrc, dwRop) ) { wxLogLastError(_T("BitBlt")); } @@ -2337,9 +2357,6 @@ bool wxMSWDCImpl::DoStretchBlit(wxCoord xdest, wxCoord ydest, } } - ::SetTextColor(GetHdc(), old_textground); - ::SetBkColor(GetHdc(), old_background); - return success; } @@ -2393,14 +2410,6 @@ wxSize wxMSWDCImpl::GetPPI() const return wxSize(x, y); } -// For use by wxWidgets only, unless custom units are required. -void wxMSWDCImpl::SetLogicalScale(double x, double y) -{ - WXMICROWIN_CHECK_HDC - - wxDCImpl::SetLogicalScale(x,y); -} - // ---------------------------------------------------------------------------- // DC caching // ---------------------------------------------------------------------------- @@ -2544,12 +2553,12 @@ IMPLEMENT_DYNAMIC_CLASS(wxDCModule, wxModule) static bool AlphaBlt(HDC hdcDst, int x, int y, int dstWidth, int dstHeight, - int srcX, int srcY, + int srcX, int srcY, int srcWidth, int srcHeight, HDC hdcSrc, const wxBitmap& bmp) { - wxASSERT_MSG( bmp.Ok() && bmp.HasAlpha(), _T("AlphaBlt(): invalid bitmap") ); + wxASSERT_MSG( bmp.IsOk() && bmp.HasAlpha(), _T("AlphaBlt(): invalid bitmap") ); wxASSERT_MSG( hdcDst && hdcSrc, _T("AlphaBlt(): invalid HDC") ); // do we have AlphaBlend() and company in the headers? @@ -2585,26 +2594,26 @@ static bool AlphaBlt(HDC hdcDst, // AlphaBlend() unavailable of failed: use our own (probably much slower) // implementation -#ifdef wxHAVE_RAW_BITMAP +#ifdef wxHAS_RAW_BITMAP wxAlphaBlend(hdcDst, x, y, dstWidth, dstHeight, srcX, srcY, srcWidth, srcHeight, bmp); return true; -#else // !wxHAVE_RAW_BITMAP +#else // !wxHAS_RAW_BITMAP // no wxAlphaBlend() neither, fall back to using simple BitBlt() (we lose // alpha but at least something will be shown like this) wxUnusedVar(bmp); return false; -#endif // wxHAVE_RAW_BITMAP +#endif // wxHAS_RAW_BITMAP/!wxHAS_RAW_BITMAP } // wxAlphaBlend: our fallback if ::AlphaBlend() is unavailable -#ifdef wxHAVE_RAW_BITMAP +#ifdef wxHAS_RAW_BITMAP static void wxAlphaBlend(HDC hdcDst, int xDst, int yDst, int dstWidth, int dstHeight, - int srcX, int srcY, + int srcX, int srcY, int srcWidth, int srcHeight, const wxBitmap& bmpSrc) { @@ -2661,7 +2670,7 @@ wxAlphaBlend(HDC hdcDst, int xDst, int yDst, } } -#endif // #ifdef wxHAVE_RAW_BITMAP +#endif // wxHAS_RAW_BITMAP void wxMSWDCImpl::DoGradientFillLinear (const wxRect& rect, const wxColour& initialColour,