X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8cb172b4f12fae80b06d5936108a1bc7f2521674..98363307d3b0c8c4f3182b9a82d7f87ca06a1a82:/src/msw/dc.cpp diff --git a/src/msw/dc.cpp b/src/msw/dc.cpp index 11e667c925..1ed889f3f1 100644 --- a/src/msw/dc.cpp +++ b/src/msw/dc.cpp @@ -266,6 +266,10 @@ void wxDC::SelectOldObjects(WXHDC dc) void wxDC::UpdateClipBox() { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + RECT rect; GetClipBox(GetHdc(), &rect); @@ -277,6 +281,10 @@ void wxDC::UpdateClipBox() void wxDC::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + m_clipping = TRUE; // the region coords are always the device ones, so do the translation @@ -297,6 +305,7 @@ void wxDC::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h) { wxLogLastError(_T("SelectClipRgn")); } + DeleteObject(hrgn); UpdateClipBox(); } @@ -304,6 +313,10 @@ void wxDC::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h) void wxDC::DoSetClippingRegionAsRegion(const wxRegion& region) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + wxCHECK_RET( GetHrgnOf(region), wxT("invalid clipping region") ); m_clipping = TRUE; @@ -319,6 +332,10 @@ void wxDC::DoSetClippingRegionAsRegion(const wxRegion& region) void wxDC::DestroyClippingRegion() { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + if (m_clipping && m_hDC) { // TODO: this should restore the previous clipping region, @@ -356,6 +373,10 @@ bool wxDC::CanGetTextExtent() const int wxDC::GetDepth() const { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return 16; +#endif + return (int)::GetDeviceCaps(GetHdc(), BITSPIXEL); } @@ -365,6 +386,10 @@ int wxDC::GetDepth() const void wxDC::Clear() { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + RECT rect; if ( m_canvas ) { @@ -399,6 +424,10 @@ void wxDC::Clear() void wxDC::DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, int style) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + if ( !::ExtFloodFill(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), col.GetPixel(), style == wxFLOOD_SURFACE ? FLOODFILLSURFACE @@ -424,6 +453,10 @@ void wxDC::DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, int style) bool wxDC::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return FALSE; +#endif + wxCHECK_MSG( col, FALSE, _T("NULL colour parameter in wxDC::GetPixel") ); // get the color of the pixel @@ -436,6 +469,10 @@ bool wxDC::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const void wxDC::DoCrossHair(wxCoord x, wxCoord y) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + wxCoord x1 = x-VIEWPORT_EXTENT; wxCoord y1 = y-VIEWPORT_EXTENT; wxCoord x2 = x+VIEWPORT_EXTENT; @@ -453,6 +490,10 @@ void wxDC::DoCrossHair(wxCoord x, wxCoord y) void wxDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + (void)MoveToEx(GetHdc(), XLOG2DEV(x1), YLOG2DEV(y1), NULL); (void)LineTo(GetHdc(), XLOG2DEV(x2), YLOG2DEV(y2)); @@ -470,6 +511,10 @@ void wxDC::DoDrawArc(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling double dx = xc - x1; @@ -518,6 +563,10 @@ void wxDC::DoDrawArc(wxCoord x1, wxCoord y1, void wxDC::DoDrawCheckMark(wxCoord x1, wxCoord y1, wxCoord width, wxCoord height) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + wxCoord x2 = x1 + width, y2 = y1 + height; @@ -552,6 +601,10 @@ void wxDC::DoDrawCheckMark(wxCoord x1, wxCoord y1, void wxDC::DoDrawPoint(wxCoord x, wxCoord y) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + COLORREF color = 0x00ffffff; if (m_pen.Ok()) { @@ -565,6 +618,10 @@ void wxDC::DoDrawPoint(wxCoord x, wxCoord y) void wxDC::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset,int fillStyle) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling // Do things less efficiently if we have offsets @@ -598,6 +655,10 @@ void wxDC::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffs void wxDC::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + // Do things less efficiently if we have offsets if (xoffset != 0 || yoffset != 0) { @@ -625,6 +686,10 @@ void wxDC::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling wxCoord x2 = x + width; @@ -662,6 +727,10 @@ void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height) void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling // Now, a negative radius value is interpreted to mean @@ -698,6 +767,10 @@ void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord h void wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling wxCoord x2 = (x+width); @@ -712,6 +785,10 @@ void wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height) // Chris Breeze 20/5/98: first implementation of DrawEllipticArc on Windows void wxDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling wxCoord x2 = x + w; @@ -755,6 +832,10 @@ void wxDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,d void wxDC::DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + wxCHECK_RET( icon.Ok(), wxT("invalid icon in DrawIcon") ); #ifdef __WIN32__ @@ -769,6 +850,10 @@ void wxDC::DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y) void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask ) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + wxCHECK_RET( bmp.Ok(), _T("invalid bitmap in wxDC::DrawBitmap") ); int width = bmp.GetWidth(), @@ -854,6 +939,10 @@ void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask void wxDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + DrawAnyText(text, x, y); // update the bounding box @@ -866,6 +955,10 @@ void wxDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y) void wxDC::DrawAnyText(const wxString& text, wxCoord x, wxCoord y) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + // prepare for drawing the text if ( m_textForegroundColour.Ok() ) SetTextColor(GetHdc(), m_textForegroundColour.GetPixel()); @@ -898,6 +991,10 @@ void wxDC::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + // we test that we have some font because otherwise we should still use the // "else" part below to avoid that DrawRotatedText(angle = 180) and // DrawRotatedText(angle = 0) use different fonts (we can't use the default @@ -966,6 +1063,10 @@ void wxDC::DoDrawRotatedText(const wxString& text, void wxDC::SetPalette(const wxPalette& palette) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + // Set the old object temporarily, in case the assignment deletes an object // that's not yet selected out. if (m_oldPalette) @@ -1001,6 +1102,10 @@ void wxDC::SetPalette(const wxPalette& palette) void wxDC::SetFont(const wxFont& the_font) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + // Set the old object temporarily, in case the assignment deletes an object // that's not yet selected out. if (m_oldFont) @@ -1032,6 +1137,10 @@ void wxDC::SetFont(const wxFont& the_font) void wxDC::SetPen(const wxPen& pen) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + // Set the old object temporarily, in case the assignment deletes an object // that's not yet selected out. if (m_oldPen) @@ -1062,6 +1171,10 @@ void wxDC::SetPen(const wxPen& pen) void wxDC::SetBrush(const wxBrush& brush) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + // Set the old object temporarily, in case the assignment deletes an object // that's not yet selected out. if (m_oldBrush) @@ -1109,6 +1222,10 @@ void wxDC::SetBrush(const wxBrush& brush) void wxDC::SetBackground(const wxBrush& brush) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + m_backgroundBrush = brush; if (!m_backgroundBrush.Ok()) @@ -1150,6 +1267,10 @@ void wxDC::SetBackground(const wxBrush& brush) void wxDC::SetBackgroundMode(int mode) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + m_backgroundMode = mode; // SetBackgroundColour now only refers to text background @@ -1166,6 +1287,10 @@ void wxDC::SetBackgroundMode(int mode) void wxDC::SetLogicalFunction(int function) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + m_logicalFunction = function; SetRop(m_hDC); @@ -1229,6 +1354,10 @@ void wxDC::EndPage() wxCoord wxDC::GetCharHeight() const { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return 0; +#endif + TEXTMETRIC lpTextMetric; GetTextMetrics(GetHdc(), &lpTextMetric); @@ -1238,6 +1367,10 @@ wxCoord wxDC::GetCharHeight() const wxCoord wxDC::GetCharWidth() const { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return 0; +#endif + TEXTMETRIC lpTextMetric; GetTextMetrics(GetHdc(), &lpTextMetric); @@ -1249,6 +1382,17 @@ void wxDC::DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y, wxCoord *descent, wxCoord *externalLeading, wxFont *font) const { +#ifdef __WXMICROWIN__ + if (!GetHDC()) + { + if (x) *x = 0; + if (y) *y = 0; + if (descent) *descent = 0; + if (externalLeading) *externalLeading = 0; + return; + } +#endif + HFONT hfontOld; if ( font ) { @@ -1280,6 +1424,10 @@ void wxDC::DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y, void wxDC::SetMapMode(int mode) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + m_mappingMode = mode; int pixel_width = 0; @@ -1348,6 +1496,10 @@ void wxDC::SetMapMode(int mode) void wxDC::SetUserScale(double x, double y) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + m_userScaleX = x; m_userScaleY = y; @@ -1356,6 +1508,10 @@ void wxDC::SetUserScale(double x, double y) void wxDC::SetAxisOrientation(bool xLeftRight, bool yBottomUp) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + m_signX = xLeftRight ? 1 : -1; m_signY = yBottomUp ? -1 : 1; @@ -1364,6 +1520,10 @@ void wxDC::SetAxisOrientation(bool xLeftRight, bool yBottomUp) void wxDC::SetSystemScale(double x, double y) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + m_scaleX = x; m_scaleY = y; @@ -1372,6 +1532,10 @@ void wxDC::SetSystemScale(double x, double y) void wxDC::SetLogicalOrigin(wxCoord x, wxCoord y) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + m_logicalOriginX = x; m_logicalOriginY = y; @@ -1380,6 +1544,10 @@ void wxDC::SetLogicalOrigin(wxCoord x, wxCoord y) void wxDC::SetDeviceOrigin(wxCoord x, wxCoord y) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return; +#endif + m_deviceOriginX = x; m_deviceOriginY = y; @@ -1443,6 +1611,10 @@ bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop, bool useMask) { +#ifdef __WXMICROWIN__ + if (!GetHDC()) return FALSE; +#endif + wxMask *mask = NULL; if ( useMask ) { @@ -1594,18 +1766,30 @@ bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest, void wxDC::DoGetSize(int *w, int *h) const { +#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); @@ -1615,6 +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; } @@ -1624,6 +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;