#endif
#ifndef AC_SRC_ALPHA
-#define AC_SRC_ALPHA 1
+ #define AC_SRC_ALPHA 1
+#endif
+
+#ifndef LAYOUT_RTL
+ #define LAYOUT_RTL 1
#endif
/* Quaternary raster codes */
#define WXMICROWIN_CHECK_HDC_RET(x)
#endif
-IMPLEMENT_ABSTRACT_CLASS(wxDC, wxDCBase)
+IMPLEMENT_ABSTRACT_CLASS(wxMSWDCImpl, wxDCImpl)
// ---------------------------------------------------------------------------
// constants
// return true if we could draw the bitmap in one way or the other, false
// otherwise
static bool AlphaBlt(HDC hdcDst,
- int x, int y, int w, int h,
- int srcX, int srcY, HDC hdcSrc,
- const wxBitmap& bmpSrc);
+ int x, int y, int dstWidth, int dstHeight,
+ int srcX, int srcY,
+ int srcWidth, int srcHeight,
+ HDC hdcSrc,
+ const wxBitmap& bmp);
#ifdef wxHAVE_RAW_BITMAP
// our (limited) AlphaBlend() replacement for Windows versions not providing it
static void
-wxAlphaBlend(HDC hdcDst, int x, int y, int w, int h,
- int srcX, int srcY, const wxBitmap& bmp);
+wxAlphaBlend(HDC hdcDst, int xDst, int yDst,
+ int dstWidth, int dstHeight,
+ int srcX, int srcY,
+ int srcWidth, int srcHeight,
+ const wxBitmap& bmpSrc);
#endif // wxHAVE_RAW_BITMAP
class wxColourChanger
{
public:
- wxColourChanger(wxDC& dc);
+ wxColourChanger(wxMSWDCImpl& dc);
~wxColourChanger();
private:
- wxDC& m_dc;
+ wxMSWDCImpl& m_dc;
COLORREF m_colFgOld, m_colBgOld;
DECLARE_NO_COPY_CLASS(StretchBltModeChanger)
};
-// support for dynamic loading of msimg32.dll which we use for some functions
-class wxMSImg32DLL
+#if wxUSE_DYNLIB_CLASS
+
+// helper class to cache dynamically loaded libraries and not attempt reloading
+// them if it fails
+class wxOnceOnlyDLLLoader
{
public:
- // return the symbol with the given name if the DLL not loaded or symbol
- // not present
- static void *GetSymbol(const wxChar *name)
+ // ctor argument must be a literal string as we don't make a copy of it!
+ wxOnceOnlyDLLLoader(const wxChar *dllName)
+ : m_dllName(dllName)
{
+ }
+
+
+ // return the symbol with the given name or NULL if the DLL not loaded
+ // or symbol not present
+ void *GetSymbol(const wxChar *name)
+ {
+ // we're prepared to handle errors here
wxLogNull noLog;
- if ( !ms_triedToLoad )
+ if ( m_dllName )
{
- ms_triedToLoad = true;
- ms_dll.Load(_T("msimg32"));
+ m_dll.Load(m_dllName);
+
+ // reset the name whether we succeeded or failed so that we don't
+ // try again the next time
+ m_dllName = NULL;
}
- return ms_dll.IsLoaded() ? ms_dll.GetSymbol(name) : NULL;
+ return m_dll.IsLoaded() ? m_dll.GetSymbol(name) : NULL;
+ }
+
+ void Unload()
+ {
+ if ( m_dll.IsLoaded() )
+ {
+ m_dll.Unload();
+ }
}
private:
- static wxDynamicLibrary ms_dll;
- static bool ms_triedToLoad;
+ wxDynamicLibrary m_dll;
+ const wxChar *m_dllName;
};
-wxDynamicLibrary wxMSImg32DLL::ms_dll;
-bool wxMSImg32DLL::ms_triedToLoad = false;
+static wxOnceOnlyDLLLoader wxMSIMG32DLL(_T("msimg32"));
+
+// we must ensure that DLLs are unloaded before the static objects cleanup time
+// because we may hit the notorious DllMain() dead lock in this case if wx is
+// used as a DLL (attempting to unload another DLL from inside DllMain() hangs
+// under Windows because it tries to reacquire the same lock)
+class wxGDIDLLsCleanupModule : public wxModule
+{
+public:
+ virtual bool OnInit() { return true; }
+ virtual void OnExit() { wxMSIMG32DLL.Unload(); }
+
+private:
+ DECLARE_DYNAMIC_CLASS(wxGDIDLLsCleanupModule)
+};
-// helper macro for getting the symbols from msimg32.dll: it supposes that a
-// type "name_t" is defined and casts the returned symbol to it automatically
-#define wxMSIMG32_SYMBOL(name) (name ## _t)wxMSImg32DLL::GetSymbol(_T(#name))
+IMPLEMENT_DYNAMIC_CLASS(wxGDIDLLsCleanupModule, wxModule)
+
+#endif // wxUSE_DYNLIB_CLASS
// ===========================================================================
// implementation
// wxColourChanger
// ----------------------------------------------------------------------------
-wxColourChanger::wxColourChanger(wxDC& dc) : m_dc(dc)
+wxColourChanger::wxColourChanger(wxMSWDCImpl& dc) : m_dc(dc)
{
const wxBrush& brush = dc.GetBrush();
if ( brush.Ok() && brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE )
}
// ---------------------------------------------------------------------------
-// wxDC
+// wxMSWDCImpl
// ---------------------------------------------------------------------------
-wxDC::~wxDC()
+wxMSWDCImpl::wxMSWDCImpl( wxDC *owner, WXHDC hDC ) :
+ wxDCImpl( owner )
+{
+ Init();
+ m_hDC = hDC;
+}
+
+wxMSWDCImpl::~wxMSWDCImpl()
{
if ( m_hDC != 0 )
{
}
else // we don't own our HDC
{
- if (m_canvas)
+ if (m_window)
{
- ::ReleaseDC(GetHwndOf(m_canvas), GetHdc());
+ ::ReleaseDC(GetHwndOf(m_window), GetHdc());
}
else
{
// This will select current objects out of the DC,
// which is what you have to do before deleting the
// DC.
-void wxDC::SelectOldObjects(WXHDC dc)
+void wxMSWDCImpl::SelectOldObjects(WXHDC dc)
{
if (dc)
{
// clipping
// ---------------------------------------------------------------------------
-void wxDC::UpdateClipBox()
+void wxMSWDCImpl::UpdateClipBox()
{
WXMICROWIN_CHECK_HDC
}
void
-wxDC::DoGetClippingBox(wxCoord *x, wxCoord *y, wxCoord *w, wxCoord *h) const
+wxMSWDCImpl::DoGetClippingBox(wxCoord *x, wxCoord *y, wxCoord *w, wxCoord *h) const
{
// check if we should try to retrieve the clipping region possibly not set
// by our SetClippingRegion() but preset by Windows:this can only happen
// when we're associated with an existing HDC usign SetHDC(), see there
if ( m_clipping && !m_clipX1 && !m_clipX2 )
{
- wxDC *self = wxConstCast(this, wxDC);
+ wxMSWDCImpl *self = wxConstCast(this, wxMSWDCImpl);
self->UpdateClipBox();
if ( !m_clipX1 && !m_clipX2 )
self->m_clipping = false;
}
- wxDCBase::DoGetClippingBox(x, y, w, h);
+ wxDCImpl::DoGetClippingBox(x, y, w, h);
}
// common part of DoSetClippingRegion() and DoSetClippingRegionAsRegion()
-void wxDC::SetClippingHrgn(WXHRGN hrgn)
+void wxMSWDCImpl::SetClippingHrgn(WXHRGN hrgn)
{
wxCHECK_RET( hrgn, wxT("invalid clipping region") );
UpdateClipBox();
}
-void wxDC::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h)
+void wxMSWDCImpl::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h)
{
// the region coords are always the device ones, so do the translation
// manually
}
}
-void wxDC::DoSetClippingRegionAsRegion(const wxRegion& region)
+void wxMSWDCImpl::DoSetClippingRegionAsRegion(const wxRegion& region)
{
SetClippingHrgn(region.GetHRGN());
}
-void wxDC::DestroyClippingRegion()
+void wxMSWDCImpl::DestroyClippingRegion()
{
WXMICROWIN_CHECK_HDC
#endif
}
- wxDCBase::DestroyClippingRegion();
+ wxDCImpl::DestroyClippingRegion();
}
// ---------------------------------------------------------------------------
// query capabilities
// ---------------------------------------------------------------------------
-bool wxDC::CanDrawBitmap() const
+bool wxMSWDCImpl::CanDrawBitmap() const
{
return true;
}
-bool wxDC::CanGetTextExtent() const
+bool wxMSWDCImpl::CanGetTextExtent() const
{
#ifdef __WXMICROWIN__
// TODO Extend MicroWindows' GetDeviceCaps function
#endif
}
-int wxDC::GetDepth() const
+int wxMSWDCImpl::GetDepth() const
{
WXMICROWIN_CHECK_HDC_RET(16)
// drawing
// ---------------------------------------------------------------------------
-void wxDC::Clear()
+void wxMSWDCImpl::Clear()
{
WXMICROWIN_CHECK_HDC
RECT rect;
- if ( m_canvas )
+ if (m_window)
{
- GetClientRect((HWND) m_canvas->GetHWND(), &rect);
+ GetClientRect((HWND) m_window->GetHWND(), &rect);
}
else
{
if (!m_selectedBitmap.Ok())
return;
- rect.left = 0; rect.top = 0;
- rect.right = m_selectedBitmap.GetWidth();
- rect.bottom = m_selectedBitmap.GetHeight();
+ rect.left = -m_deviceOriginX; rect.top = -m_deviceOriginY;
+ rect.right = m_selectedBitmap.GetWidth()-m_deviceOriginX;
+ rect.bottom = m_selectedBitmap.GetHeight()-m_deviceOriginY;
}
#ifndef __WXWINCE__
::FillRect(GetHdc(), &rect, brush);
::DeleteObject(brush);
-#ifndef __WXWINCE__
- int width = DeviceToLogicalXRel(VIEWPORT_EXTENT)*m_signX,
- height = DeviceToLogicalYRel(VIEWPORT_EXTENT)*m_signY;
-
- ::SetMapMode(GetHdc(), MM_ANISOTROPIC);
-
- ::SetViewportExtEx(GetHdc(), VIEWPORT_EXTENT, VIEWPORT_EXTENT, NULL);
- ::SetWindowExtEx(GetHdc(), width, height, NULL);
- ::SetViewportOrgEx(GetHdc(), (int)m_deviceOriginX, (int)m_deviceOriginY, NULL);
- ::SetWindowOrgEx(GetHdc(), (int)m_logicalOriginX, (int)m_logicalOriginY, NULL);
-#endif
+ RealizeScaleAndOrigin();
}
-bool wxDC::DoFloodFill(wxCoord WXUNUSED_IN_WINCE(x),
+bool wxMSWDCImpl::DoFloodFill(wxCoord WXUNUSED_IN_WINCE(x),
wxCoord WXUNUSED_IN_WINCE(y),
const wxColour& WXUNUSED_IN_WINCE(col),
int WXUNUSED_IN_WINCE(style))
#endif
}
-bool wxDC::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const
+bool wxMSWDCImpl::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const
{
WXMICROWIN_CHECK_HDC_RET(false)
- wxCHECK_MSG( col, false, _T("NULL colour parameter in wxDC::GetPixel") );
+ wxCHECK_MSG( col, false, _T("NULL colour parameter in wxMSWDCImpl::GetPixel") );
// get the color of the pixel
COLORREF pixelcolor = ::GetPixel(GetHdc(), XLOG2DEV(x), YLOG2DEV(y));
return true;
}
-void wxDC::DoCrossHair(wxCoord x, wxCoord y)
+void wxMSWDCImpl::DoCrossHair(wxCoord x, wxCoord y)
{
WXMICROWIN_CHECK_HDC
CalcBoundingBox(x2, y2);
}
-void wxDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
+void wxMSWDCImpl::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
{
WXMICROWIN_CHECK_HDC
// Draws an arc of a circle, centred on (xc, yc), with starting point (x1, y1)
// and ending at (x2, y2)
-void wxDC::DoDrawArc(wxCoord x1, wxCoord y1,
+void wxMSWDCImpl::DoDrawArc(wxCoord x1, wxCoord y1,
wxCoord x2, wxCoord y2,
wxCoord xc, wxCoord yc)
{
// treat the special case of full circle separately
if ( x1 == x2 && y1 == y2 )
{
- DrawEllipse(xc - r, yc - r, 2*r, 2*r);
+ GetOwner()->DrawEllipse(xc - r, yc - r, 2*r, 2*r);
return;
}
#endif
}
-void wxDC::DoDrawCheckMark(wxCoord x1, wxCoord y1,
+void wxMSWDCImpl::DoDrawCheckMark(wxCoord x1, wxCoord y1,
wxCoord width, wxCoord height)
{
// cases when we don't have DrawFrameControl()
#endif // Microwin/Normal
}
-void wxDC::DoDrawPoint(wxCoord x, wxCoord y)
+void wxMSWDCImpl::DoDrawPoint(wxCoord x, wxCoord y)
{
WXMICROWIN_CHECK_HDC
CalcBoundingBox(x, y);
}
-void wxDC::DoDrawPolygon(int n,
+void wxMSWDCImpl::DoDrawPolygon(int n,
wxPoint points[],
wxCoord xoffset,
wxCoord yoffset,
}
void
-wxDC::DoDrawPolyPolygon(int n,
+wxMSWDCImpl::DoDrawPolyPolygon(int n,
int count[],
wxPoint points[],
wxCoord xoffset,
// __WXWINCE__
}
-void wxDC::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
+void wxMSWDCImpl::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
{
WXMICROWIN_CHECK_HDC
}
}
-void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
+void wxMSWDCImpl::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
{
WXMICROWIN_CHECK_HDC
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 shouldn´t 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.GetStyle() == wxTRANSPARENT )
+ {
+ x2dev++;
+ y2dev++;
}
+#endif // !__WXWINCE__
+ (void)Rectangle(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), x2dev, y2dev);
CalcBoundingBox(x, y);
CalcBoundingBox(x2, y2);
}
-void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
+void wxMSWDCImpl::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
{
WXMICROWIN_CHECK_HDC
CalcBoundingBox(x2, y2);
}
-void wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
+void wxMSWDCImpl::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
{
WXMICROWIN_CHECK_HDC
}
#if wxUSE_SPLINES
-void wxDC::DoDrawSpline(wxList *points)
+void wxMSWDCImpl::DoDrawSpline(const wxPointList *points)
{
#ifdef __WXWINCE__
// WinCE does not support ::PolyBezier so use generic version
size_t bezier_pos = 0;
wxCoord x1, y1, x2, y2, cx1, cy1, cx4, cy4;
- wxList::compatibility_iterator node = points->GetFirst();
- wxPoint *p = (wxPoint *)node->GetData();
+ wxPointList::compatibility_iterator node = points->GetFirst();
+ wxPoint *p = node->GetData();
lppt[ bezier_pos ].x = x1 = p->x;
lppt[ bezier_pos ].y = y1 = p->y;
bezier_pos++;
bezier_pos++;
node = node->GetNext();
- p = (wxPoint *)node->GetData();
+ p = node->GetData();
x2 = p->x;
y2 = p->y;
#endif
// 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)
+void wxMSWDCImpl::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
{
#ifdef __WXWINCE__
DoDrawEllipticArcRot( x, y, w, h, sa, ea );
rx2 += (int)(100.0 * abs(w) * cos(ea));
ry2 -= (int)(100.0 * abs(h) * m_signY * sin(ea));
+ // 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;
+ }
+
// draw pie with NULL_PEN first and then outline otherwise a line is
// drawn from the start and end points to the centre
HPEN hpenOld = (HPEN) ::SelectObject(GetHdc(), (HPEN) ::GetStockObject(NULL_PEN));
#endif
}
-void wxDC::DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
+void wxMSWDCImpl::DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
{
WXMICROWIN_CHECK_HDC
CalcBoundingBox(x + icon.GetWidth(), y + icon.GetHeight());
}
-void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
+void wxMSWDCImpl::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
{
WXMICROWIN_CHECK_HDC
- wxCHECK_RET( bmp.Ok(), _T("invalid bitmap in wxDC::DrawBitmap") );
+ wxCHECK_RET( bmp.Ok(), _T("invalid bitmap in wxMSWDCImpl::DrawBitmap") );
int width = bmp.GetWidth(),
height = bmp.GetHeight();
MemoryHDC hdcMem;
SelectInHDC select(hdcMem, GetHbitmapOf(bmp));
- if ( AlphaBlt(GetHdc(), x, y, width, height, 0, 0, hdcMem, bmp) )
+ if ( AlphaBlt(GetHdc(), x, y, width, height, 0, 0, width, height, hdcMem, bmp) )
return;
}
if ( !ok )
#endif // Win32
{
- // Rather than reproduce wxDC::Blit, let's do it at the wxWin API
+ // Rather than reproduce wxMSWDCImpl::Blit, let's do it at the wxWin API
// level
wxMemoryDC memDC;
- memDC.SelectObject(bmp);
- Blit(x, y, width, height, &memDC, 0, 0, wxCOPY, useMask);
+ memDC.SelectObjectAsSource(bmp);
+
+ GetOwner()->Blit(x, y, width, height, &memDC, 0, 0, wxCOPY, useMask);
memDC.SelectObject(wxNullBitmap);
}
}
}
-void wxDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y)
+void wxMSWDCImpl::DoDrawText(const wxString& text, wxCoord x, wxCoord y)
{
WXMICROWIN_CHECK_HDC
CalcBoundingBox(x, y);
wxCoord w, h;
- GetTextExtent(text, &w, &h);
+ GetOwner()->GetTextExtent(text, &w, &h);
CalcBoundingBox(x + w, y + h);
}
-void wxDC::DrawAnyText(const wxString& text, wxCoord x, wxCoord y)
+void wxMSWDCImpl::DrawAnyText(const wxString& text, wxCoord x, wxCoord y)
{
WXMICROWIN_CHECK_HDC
SetBkMode(GetHdc(), TRANSPARENT);
}
-void wxDC::DoDrawRotatedText(const wxString& text,
+void wxMSWDCImpl::DoDrawRotatedText(const wxString& text,
wxCoord x, wxCoord y,
double angle)
{
// containing the text to it (simpler and probably not slower than
// determining which of them is really topmost/leftmost/...)
wxCoord w, h;
- GetTextExtent(text, &w, &h);
+ GetOwner()->GetTextExtent(text, &w, &h);
double rad = DegToRad(angle);
#if wxUSE_PALETTE
-void wxDC::DoSelectPalette(bool realize)
+void wxMSWDCImpl::DoSelectPalette(bool realize)
{
WXMICROWIN_CHECK_HDC
}
}
-void wxDC::SetPalette(const wxPalette& palette)
+void wxMSWDCImpl::SetPalette(const wxPalette& palette)
{
if ( palette.Ok() )
{
}
}
-void wxDC::InitializePalette()
+void wxMSWDCImpl::InitializePalette()
{
if ( wxDisplayDepth() <= 8 )
{
// look for any window or parent that has a custom palette. If any has
// one then we need to use it in drawing operations
- wxWindow *win = m_canvas->GetAncestorWithCustomPalette();
+ wxWindow *win = m_window->GetAncestorWithCustomPalette();
m_hasCustomPalette = win && win->HasCustomPalette();
if ( m_hasCustomPalette )
// SetFont/Pen/Brush() really ask to be implemented as a single template
// function... but doing it is not worth breaking OpenWatcom build <sigh>
-void wxDC::SetFont(const wxFont& font)
+void wxMSWDCImpl::SetFont(const wxFont& font)
{
WXMICROWIN_CHECK_HDC
}
}
-void wxDC::SetPen(const wxPen& pen)
+void wxMSWDCImpl::SetPen(const wxPen& pen)
{
WXMICROWIN_CHECK_HDC
}
}
-void wxDC::SetBrush(const wxBrush& brush)
+void wxMSWDCImpl::SetBrush(const wxBrush& brush)
{
WXMICROWIN_CHECK_HDC
}
}
-void wxDC::SetBackground(const wxBrush& brush)
+void wxMSWDCImpl::SetBackground(const wxBrush& brush)
{
WXMICROWIN_CHECK_HDC
}
}
-void wxDC::SetBackgroundMode(int mode)
+void wxMSWDCImpl::SetBackgroundMode(int mode)
{
WXMICROWIN_CHECK_HDC
// and m_backgroundMode is used there
}
-void wxDC::SetLogicalFunction(int function)
+void wxMSWDCImpl::SetLogicalFunction(int function)
{
WXMICROWIN_CHECK_HDC
SetRop(m_hDC);
}
-void wxDC::SetRop(WXHDC dc)
+void wxMSWDCImpl::SetRop(WXHDC dc)
{
if ( !dc || m_logicalFunction < 0 )
return;
SetROP2(GetHdc(), rop);
}
-bool wxDC::StartDoc(const wxString& WXUNUSED(message))
+bool wxMSWDCImpl::StartDoc(const wxString& WXUNUSED(message))
{
// We might be previewing, so return true to let it continue.
return true;
}
-void wxDC::EndDoc()
+void wxMSWDCImpl::EndDoc()
{
}
-void wxDC::StartPage()
+void wxMSWDCImpl::StartPage()
{
}
-void wxDC::EndPage()
+void wxMSWDCImpl::EndPage()
{
}
// text metrics
// ---------------------------------------------------------------------------
-wxCoord wxDC::GetCharHeight() const
+wxCoord wxMSWDCImpl::GetCharHeight() const
{
WXMICROWIN_CHECK_HDC_RET(0)
return lpTextMetric.tmHeight;
}
-wxCoord wxDC::GetCharWidth() const
+wxCoord wxMSWDCImpl::GetCharWidth() const
{
WXMICROWIN_CHECK_HDC_RET(0)
return lpTextMetric.tmAveCharWidth;
}
-void wxDC::DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
+void wxMSWDCImpl::DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
wxCoord *descent, wxCoord *externalLeading,
- wxFont *font) const
+ const wxFont *font) const
{
#ifdef __WXMICROWIN__
if (!GetHDC())
HFONT hfontOld;
if ( font )
{
- wxASSERT_MSG( font->Ok(), _T("invalid font in wxDC::GetTextExtent") );
+ wxASSERT_MSG( font->Ok(), _T("invalid font in wxMSWDCImpl::GetTextExtent") );
hfontOld = (HFONT)::SelectObject(GetHdc(), GetHfontOf(*font));
}
SIZE sizeRect;
const size_t len = string.length();
- if ( !::GetTextExtentPoint32(GetHdc(), string, len, &sizeRect) )
+ if ( !::GetTextExtentPoint32(GetHdc(), string.wx_str(), len, &sizeRect) )
{
wxLogLastError(_T("GetTextExtentPoint32()"));
}
// Each element of the array will be the width of the string up to and
// including the coresoponding character in text.
-bool wxDC::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
+bool wxMSWDCImpl::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
{
static int maxLenText = -1;
static int maxWidth = -1;
return true;
}
+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!)
+#ifndef __WXWINCE__
+ ::SetMapMode(GetHdc(), MM_ANISOTROPIC);
+
+ int width = DeviceToLogicalXRel(VIEWPORT_EXTENT)*m_signX,
+ height = DeviceToLogicalYRel(VIEWPORT_EXTENT)*m_signY;
+
+ ::SetViewportExtEx(GetHdc(), VIEWPORT_EXTENT, VIEWPORT_EXTENT, NULL);
+ ::SetWindowExtEx(GetHdc(), width, height, NULL);
+ ::SetViewportOrgEx(GetHdc(), m_deviceOriginX, m_deviceOriginY, NULL);
+ ::SetWindowOrgEx(GetHdc(), m_logicalOriginX, m_logicalOriginY, NULL);
+#endif
+}
-void wxDC::SetMapMode(int mode)
+void wxMSWDCImpl::SetMapMode(int mode)
{
WXMICROWIN_CHECK_HDC
}
}
- // 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!)
-#ifndef __WXWINCE__
- ::SetMapMode(GetHdc(), MM_ANISOTROPIC);
-
- int width = DeviceToLogicalXRel(VIEWPORT_EXTENT)*m_signX,
- height = DeviceToLogicalYRel(VIEWPORT_EXTENT)*m_signY;
-
- ::SetViewportExtEx(GetHdc(), VIEWPORT_EXTENT, VIEWPORT_EXTENT, NULL);
- ::SetWindowExtEx(GetHdc(), width, height, NULL);
+ ComputeScaleAndOrigin();
- ::SetViewportOrgEx(GetHdc(), m_deviceOriginX, m_deviceOriginY, NULL);
- ::SetWindowOrgEx(GetHdc(), m_logicalOriginX, m_logicalOriginY, NULL);
-#endif
+ RealizeScaleAndOrigin();
}
-void wxDC::SetUserScale(double x, double y)
+void wxMSWDCImpl::SetUserScale(double x, double y)
{
WXMICROWIN_CHECK_HDC
if ( x == m_userScaleX && y == m_userScaleY )
return;
- m_userScaleX = x;
- m_userScaleY = y;
+ wxDCImpl::SetUserScale(x,y);
- this->SetMapMode(m_mappingMode);
+ RealizeScaleAndOrigin();
}
-void wxDC::SetAxisOrientation(bool WXUNUSED_IN_WINCE(xLeftRight),
- bool WXUNUSED_IN_WINCE(yBottomUp))
+void wxMSWDCImpl::SetAxisOrientation(bool xLeftRight,
+ bool yBottomUp)
{
WXMICROWIN_CHECK_HDC
-#ifndef __WXWINCE__
int signX = xLeftRight ? 1 : -1,
signY = yBottomUp ? -1 : 1;
- if ( signX != m_signX || signY != m_signY )
- {
- m_signX = signX;
- m_signY = signY;
-
- SetMapMode(m_mappingMode);
- }
-#endif
-}
-
-void wxDC::SetSystemScale(double x, double y)
-{
- WXMICROWIN_CHECK_HDC
-
- if ( x == m_scaleX && y == m_scaleY )
+ if (signX == m_signX && signY == m_signY)
return;
- m_scaleX = x;
- m_scaleY = y;
+ wxDCImpl::SetAxisOrientation( xLeftRight, yBottomUp );
-#ifndef __WXWINCE__
- SetMapMode(m_mappingMode);
-#endif
+ RealizeScaleAndOrigin();
}
-void wxDC::SetLogicalOrigin(wxCoord x, wxCoord y)
+void wxMSWDCImpl::SetLogicalOrigin(wxCoord x, wxCoord y)
{
WXMICROWIN_CHECK_HDC
if ( x == m_logicalOriginX && y == m_logicalOriginY )
return;
- m_logicalOriginX = x;
- m_logicalOriginY = y;
+ wxDCImpl::SetLogicalOrigin( x, y );
#ifndef __WXWINCE__
::SetWindowOrgEx(GetHdc(), (int)m_logicalOriginX, (int)m_logicalOriginY, NULL);
#endif
}
-void wxDC::SetDeviceOrigin(wxCoord x, wxCoord y)
+void wxMSWDCImpl::SetDeviceOrigin(wxCoord x, wxCoord y)
{
WXMICROWIN_CHECK_HDC
if ( x == m_deviceOriginX && y == m_deviceOriginY )
return;
- m_deviceOriginX = x;
- m_deviceOriginY = y;
+ wxDCImpl::SetDeviceOrigin( x, y );
::SetViewportOrgEx(GetHdc(), (int)m_deviceOriginX, (int)m_deviceOriginY, NULL);
}
// ---------------------------------------------------------------------------
-// coordinates transformations
+// bit blit
// ---------------------------------------------------------------------------
-wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
-{
- return DeviceToLogicalXRel(x - m_deviceOriginX)*m_signX + m_logicalOriginX;
-}
-
-wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
-{
- // axis orientation is not taken into account for conversion of a distance
- return (wxCoord)(x / (m_logicalScaleX*m_userScaleX*m_scaleX));
-}
-
-wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
-{
- return DeviceToLogicalYRel(y - m_deviceOriginY)*m_signY + m_logicalOriginY;
-}
-
-wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
-{
- // axis orientation is not taken into account for conversion of a distance
- return (wxCoord)( y / (m_logicalScaleY*m_userScaleY*m_scaleY));
-}
-
-wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
-{
- return LogicalToDeviceXRel(x - m_logicalOriginX)*m_signX + m_deviceOriginX;
-}
-
-wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
-{
- // axis orientation is not taken into account for conversion of a distance
- return (wxCoord) (x*m_logicalScaleX*m_userScaleX*m_scaleX);
-}
-
-wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
-{
- return LogicalToDeviceYRel(y - m_logicalOriginY)*m_signY + m_deviceOriginY;
-}
-
-wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
+bool wxMSWDCImpl::DoBlit(wxCoord dstX, wxCoord dstY,
+ wxCoord dstWidth, wxCoord dstHeight,
+ wxDC *source,
+ wxCoord srcX, wxCoord srcY,
+ int rop, bool useMask,
+ wxCoord srcMaskX, wxCoord srcMaskY)
{
- // axis orientation is not taken into account for conversion of a distance
- return (wxCoord) (y*m_logicalScaleY*m_userScaleY*m_scaleY);
+ return DoStretchBlit(dstX, dstY, dstWidth, dstHeight, source, srcX, srcY, dstWidth, dstHeight, rop, useMask, srcMaskX, srcMaskY);
}
-// ---------------------------------------------------------------------------
-// bit blit
-// ---------------------------------------------------------------------------
-
-bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest,
- wxCoord width, wxCoord height,
- wxDC *source, wxCoord xsrc, wxCoord ysrc,
- int rop, bool useMask,
- wxCoord xsrcMask, wxCoord ysrcMask)
+bool wxMSWDCImpl::DoStretchBlit(wxCoord xdest, wxCoord ydest,
+ wxCoord dstWidth, wxCoord dstHeight,
+ wxDC *source,
+ wxCoord xsrc, wxCoord ysrc,
+ wxCoord srcWidth, wxCoord srcHeight,
+ int rop, bool useMask,
+ wxCoord xsrcMask, wxCoord ysrcMask)
{
- wxCHECK_MSG( source, false, _T("wxDC::Blit(): NULL wxDC pointer") );
+ wxCHECK_MSG( source, false, _T("wxMSWDCImpl::Blit(): NULL wxDC pointer") );
WXMICROWIN_CHECK_HDC_RET(false)
+ wxDCImpl *impl = source->GetImpl();
+ wxMSWDCImpl *msw_impl = wxDynamicCast( impl, wxMSWDCImpl );
+ if (!msw_impl)
+ {
+ // TODO: Do we want to be able to blit
+ // from other DCs too?
+ return false;
+ }
+
// if either the source or destination has alpha channel, we must use
// AlphaBlt() as other function don't handle it correctly
- const wxBitmap& bmpSrc = source->m_selectedBitmap;
+ const wxBitmap& bmpSrc = msw_impl->GetSelectedBitmap();
if ( bmpSrc.Ok() && (bmpSrc.HasAlpha() ||
(m_selectedBitmap.Ok() && m_selectedBitmap.HasAlpha())) )
{
- if ( AlphaBlt(GetHdc(), xdest, ydest, width, height,
- xsrc, ysrc, GetHdcOf(*source), bmpSrc) )
+ if ( AlphaBlt(GetHdc(), xdest, ydest, dstWidth, dstHeight,
+ xsrc, ysrc, srcWidth, srcHeight, GetHdcOf(*msw_impl), bmpSrc) )
return true;
}
if (wxSystemOptions::GetOptionInt(wxT("no-maskblt")) == 0)
#endif
{
- success = ::MaskBlt
- (
+ if ( dstWidth == srcWidth && dstHeight == srcHeight )
+ {
+ success = ::MaskBlt
+ (
GetHdc(),
- xdest, ydest, width, height,
- GetHdcOf(*source),
+ xdest, ydest, dstWidth, dstHeight,
+ GetHdcOf(*msw_impl),
xsrc, ysrc,
(HBITMAP)mask->GetMaskBitmap(),
xsrcMask, ysrcMask,
MAKEROP4(dwRop, DSTCOPY)
- ) != 0;
+ ) != 0;
+ }
}
if ( !success )
#if wxUSE_DC_CACHEING
// create a temp buffer bitmap and DCs to access it and the mask
- wxDCCacheEntry* dcCacheEntry1 = FindDCInCache(NULL, source->GetHDC());
+ wxDCCacheEntry* dcCacheEntry1 = FindDCInCache(NULL, msw_impl->GetHDC());
dc_mask = (HDC) dcCacheEntry1->m_dc;
wxDCCacheEntry* dcCacheEntry2 = FindDCInCache(dcCacheEntry1, GetHDC());
dc_buffer = (HDC) dcCacheEntry2->m_dc;
wxDCCacheEntry* bitmapCacheEntry = FindBitmapInCache(GetHDC(),
- width, height);
+ dstWidth, dstHeight);
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_buffer = ::CreateCompatibleDC(GetHdc());
- buffer_bmap = ::CreateCompatibleBitmap(GetHdc(), width, height);
+ buffer_bmap = ::CreateCompatibleBitmap(GetHdc(), dstWidth, dstHeight);
#endif // wxUSE_DC_CACHEING/!wxUSE_DC_CACHEING
HGDIOBJ hOldMaskBitmap = ::SelectObject(dc_mask, (HBITMAP) mask->GetMaskBitmap());
HGDIOBJ hOldBufferBitmap = ::SelectObject(dc_buffer, buffer_bmap);
// copy dest to buffer
- if ( !::BitBlt(dc_buffer, 0, 0, (int)width, (int)height,
+ if ( !::BitBlt(dc_buffer, 0, 0, (int)dstWidth, (int)dstHeight,
GetHdc(), xdest, ydest, SRCCOPY) )
{
wxLogLastError(wxT("BitBlt"));
}
+#ifndef __WXWINCE__
+ StretchBltModeChanger changeMode(dc_buffer, COLORONCOLOR);
+#endif
+
// copy src to buffer using selected raster op
- if ( !::BitBlt(dc_buffer, 0, 0, (int)width, (int)height,
- GetHdcOf(*source), xsrc, ysrc, dwRop) )
+ if ( !::StretchBlt(dc_buffer, 0, 0, (int)dstWidth, (int)dstHeight,
+ GetHdcOf(*msw_impl), xsrc, ysrc, srcWidth, srcHeight, dwRop) )
{
- wxLogLastError(wxT("BitBlt"));
+ 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 ( !::BitBlt(dc_buffer, 0, 0, (int)width, (int)height,
- dc_mask, xsrcMask, ysrcMask, SRCAND) )
+ if ( !::StretchBlt(dc_buffer, 0, 0, (int)dstWidth, (int)dstHeight,
+ dc_mask, xsrcMask, ysrcMask, srcWidth, srcHeight, SRCAND) )
{
- wxLogLastError(wxT("BitBlt"));
+ wxLogLastError(wxT("StretchBlt"));
}
// set unmasked area in dest to BLACK
::SetBkColor(GetHdc(), RGB(0, 0, 0));
::SetTextColor(GetHdc(), RGB(255, 255, 255));
- if ( !::BitBlt(GetHdc(), xdest, ydest, (int)width, (int)height,
- dc_mask, xsrcMask, ysrcMask, SRCAND) )
+ if ( !::StretchBlt(GetHdc(), xdest, ydest, (int)dstWidth, (int)dstHeight,
+ dc_mask, xsrcMask, ysrcMask, srcWidth, srcHeight, SRCAND) )
{
- wxLogLastError(wxT("BitBlt"));
+ wxLogLastError(wxT("StretchBlt"));
}
::SetBkColor(GetHdc(), prevBkCol); // restore colours to original values
::SetTextColor(GetHdc(), prevCol);
// OR buffer to dest
success = ::BitBlt(GetHdc(), xdest, ydest,
- (int)width, (int)height,
+ (int)dstWidth, (int)dstHeight,
dc_buffer, 0, 0, SRCPAINT) != 0;
if ( !success )
{
if ( hDIB > 0 )
{
// reflect ysrc
- ysrc = hDIB - (ysrc + height);
+ ysrc = hDIB - (ysrc + dstHeight);
}
if ( ::StretchDIBits(GetHdc(),
xdest, ydest,
- width, height,
+ dstWidth, dstHeight,
xsrc, ysrc,
- width, height,
+ srcWidth, srcHeight,
ds.dsBm.bmBits,
(LPBITMAPINFO)&ds.dsBmih,
DIB_RGB_COLORS,
- SRCCOPY
+ dwRop
) == (int)GDI_ERROR )
{
// On Win9x this API fails most (all?) of the time, so
if ( !::StretchBlt
(
GetHdc(),
- xdest, ydest, width, height,
- GetHdcOf(*source),
- xsrc, ysrc, width, height,
+ xdest, ydest, dstWidth, dstHeight,
+ GetHdcOf(*msw_impl),
+ xsrc, ysrc, srcWidth, srcHeight,
dwRop
) )
{
(
GetHdc(),
xdest, ydest,
- (int)width, (int)height,
- GetHdcOf(*source),
+ (int)dstWidth, (int)dstHeight,
+ GetHdcOf(*msw_impl),
xsrc, ysrc,
dwRop
) )
return success;
}
-void wxDC::GetDeviceSize(int *width, int *height) const
+void wxMSWDCImpl::GetDeviceSize(int *width, int *height) const
{
WXMICROWIN_CHECK_HDC
*height = ::GetDeviceCaps(GetHdc(), VERTRES);
}
-void wxDC::DoGetSizeMM(int *w, int *h) const
+void wxMSWDCImpl::DoGetSizeMM(int *w, int *h) const
{
WXMICROWIN_CHECK_HDC
}
}
-wxSize wxDC::GetPPI() const
+wxSize wxMSWDCImpl::GetPPI() const
{
WXMICROWIN_CHECK_HDC_RET(wxSize(0,0))
}
// For use by wxWidgets only, unless custom units are required.
-void wxDC::SetLogicalScale(double x, double y)
+void wxMSWDCImpl::SetLogicalScale(double x, double y)
{
WXMICROWIN_CHECK_HDC
- m_logicalScaleX = x;
- m_logicalScaleY = y;
+ wxDCImpl::SetLogicalScale(x,y);
}
// ----------------------------------------------------------------------------
* entry for the bitmap, and two for the DCs. -- JACS
*/
-wxList wxDC::sm_bitmapCache;
-wxList wxDC::sm_dcCache;
+wxObjectList wxMSWDCImpl::sm_bitmapCache;
+wxObjectList wxMSWDCImpl::sm_dcCache;
wxDCCacheEntry::wxDCCacheEntry(WXHBITMAP hBitmap, int w, int h, int depth)
{
::DeleteDC((HDC) m_dc);
}
-wxDCCacheEntry* wxDC::FindBitmapInCache(WXHDC dc, int w, int h)
+wxDCCacheEntry* wxMSWDCImpl::FindBitmapInCache(WXHDC dc, int w, int h)
{
int depth = ::GetDeviceCaps((HDC) dc, PLANES) * ::GetDeviceCaps((HDC) dc, BITSPIXEL);
wxList::compatibility_iterator node = sm_bitmapCache.GetFirst();
return entry;
}
-wxDCCacheEntry* wxDC::FindDCInCache(wxDCCacheEntry* notThis, WXHDC dc)
+wxDCCacheEntry* wxMSWDCImpl::FindDCInCache(wxDCCacheEntry* notThis, WXHDC dc)
{
int depth = ::GetDeviceCaps((HDC) dc, PLANES) * ::GetDeviceCaps((HDC) dc, BITSPIXEL);
wxList::compatibility_iterator node = sm_dcCache.GetFirst();
return entry;
}
-void wxDC::AddToBitmapCache(wxDCCacheEntry* entry)
+void wxMSWDCImpl::AddToBitmapCache(wxDCCacheEntry* entry)
{
sm_bitmapCache.Append(entry);
}
-void wxDC::AddToDCCache(wxDCCacheEntry* entry)
+void wxMSWDCImpl::AddToDCCache(wxDCCacheEntry* entry)
{
sm_dcCache.Append(entry);
}
-void wxDC::ClearCache()
+void wxMSWDCImpl::ClearCache()
{
WX_CLEAR_LIST(wxList, sm_dcCache);
WX_CLEAR_LIST(wxList, sm_bitmapCache);
{
public:
virtual bool OnInit() { return true; }
- virtual void OnExit() { wxDC::ClearCache(); }
+ virtual void OnExit() { wxMSWDCImpl::ClearCache(); }
private:
DECLARE_DYNAMIC_CLASS(wxDCModule)
// ----------------------------------------------------------------------------
static bool AlphaBlt(HDC hdcDst,
- int x, int y, int width, int height,
- int srcX, int srcY, HDC hdcSrc,
+ int x, int y, int dstWidth, int dstHeight,
+ int srcX, int srcY,
+ int srcWidth, int srcHeight,
+ HDC hdcSrc,
const wxBitmap& bmp)
{
wxASSERT_MSG( bmp.Ok() && bmp.HasAlpha(), _T("AlphaBlt(): invalid bitmap") );
HDC,int,int,int,int,
BLENDFUNCTION);
- static AlphaBlend_t pfnAlphaBlend = wxMSIMG32_SYMBOL(AlphaBlend);
+ static AlphaBlend_t
+ pfnAlphaBlend = (AlphaBlend_t)wxMSIMG32DLL.GetSymbol(_T("AlphaBlend"));
if ( pfnAlphaBlend )
{
BLENDFUNCTION bf;
bf.SourceConstantAlpha = 0xff;
bf.AlphaFormat = AC_SRC_ALPHA;
- if ( pfnAlphaBlend(hdcDst, x, y, width, height,
- hdcSrc, srcX, srcY, width, height,
+ if ( pfnAlphaBlend(hdcDst, x, y, dstWidth, dstHeight,
+ hdcSrc, srcX, srcY, srcWidth, srcHeight,
bf) )
{
// skip wxAlphaBlend() call below
// AlphaBlend() unavailable of failed: use our own (probably much slower)
// implementation
#ifdef wxHAVE_RAW_BITMAP
- wxAlphaBlend(hdcDst, x, y, width, height, srcX, srcY, bmp);
+ wxAlphaBlend(hdcDst, x, y, dstWidth, dstHeight, srcX, srcY, srcWidth, srcHeight, bmp);
return true;
#else // !wxHAVE_RAW_BITMAP
static void
wxAlphaBlend(HDC hdcDst, int xDst, int yDst,
- int w, int h,
- int srcX, int srcY, const wxBitmap& bmpSrc)
+ int dstWidth, int dstHeight,
+ int srcX, int srcY,
+ int srcWidth, int srcHeight,
+ const wxBitmap& bmpSrc)
{
// get the destination DC pixels
- wxBitmap bmpDst(w, h, 32 /* force creating RGBA DIB */);
+ wxBitmap bmpDst(dstWidth, dstHeight, 32 /* force creating RGBA DIB */);
MemoryHDC hdcMem;
SelectInHDC select(hdcMem, GetHbitmapOf(bmpDst));
- if ( !::BitBlt(hdcMem, 0, 0, w, h, hdcDst, xDst, yDst, SRCCOPY) )
+ if ( !::BitBlt(hdcMem, 0, 0, dstWidth, dstHeight, hdcDst, xDst, yDst, SRCCOPY) )
{
wxLogLastError(_T("BitBlt"));
}
wxAlphaPixelData::Iterator pDst(dataDst),
pSrc(dataSrc);
- pSrc.Offset(dataSrc, srcX, srcY);
- for ( int y = 0; y < h; y++ )
+ for ( int y = 0; y < dstHeight; y++ )
{
- wxAlphaPixelData::Iterator pDstRowStart = pDst,
- pSrcRowStart = pSrc;
+ wxAlphaPixelData::Iterator pDstRowStart = pDst;
- for ( int x = 0; x < w; x++ )
+ for ( int x = 0; x < dstWidth; x++ )
{
+ // source is point sampled, Alpha StretchBlit is ugly on Win95
+ // (but does not impact performance)
+ pSrc.MoveTo(dataSrc, srcX + (srcWidth*x/dstWidth), srcY + (srcHeight*y/dstHeight));
+
// note that source bitmap uses premultiplied alpha (as required by
// the real AlphaBlend)
const unsigned beta = 255 - pSrc.Alpha();
pDst.Green() = pSrc.Green() + (beta * pDst.Green() + 127) / 255;
++pDst;
- ++pSrc;
}
pDst = pDstRowStart;
- pSrc = pSrcRowStart;
pDst.OffsetY(dataDst, 1);
- pSrc.OffsetY(dataSrc, 1);
}
// and finally blit them back to the destination DC
- if ( !::BitBlt(hdcDst, xDst, yDst, w, h, hdcMem, 0, 0, SRCCOPY) )
+ if ( !::BitBlt(hdcDst, xDst, yDst, dstWidth, dstHeight, hdcMem, 0, 0, SRCCOPY) )
{
wxLogLastError(_T("BitBlt"));
}
#endif // #ifdef wxHAVE_RAW_BITMAP
-void wxDC::DoGradientFillLinear (const wxRect& rect,
+void wxMSWDCImpl::DoGradientFillLinear (const wxRect& rect,
const wxColour& initialColour,
const wxColour& destColour,
wxDirection nDirection)
#if defined(GRADIENT_FILL_RECT_H) && wxUSE_DYNLIB_CLASS
typedef BOOL
(WINAPI *GradientFill_t)(HDC, PTRIVERTEX, ULONG, PVOID, ULONG, ULONG);
- static GradientFill_t pfnGradientFill = wxMSIMG32_SYMBOL(GradientFill);
+ static GradientFill_t pfnGradientFill =
+ (GradientFill_t)wxMSIMG32DLL.GetSymbol(_T("GradientFill"));
if ( pfnGradientFill )
{
vertices[0].x = rect.GetLeft();
vertices[0].y = rect.GetTop();
- vertices[1].x = rect.GetRight();
- vertices[1].y = rect.GetBottom();
+ vertices[1].x = rect.GetRight()+1;
+ vertices[1].y = rect.GetBottom()+1;
vertices[firstVertex].Red = (COLOR16)(initialColour.Red() << 8);
vertices[firstVertex].Green = (COLOR16)(initialColour.Green() << 8);
}
#endif // wxUSE_DYNLIB_CLASS
- wxDCBase::DoGradientFillLinear(rect, initialColour, destColour, nDirection);
+ wxDCImpl::DoGradientFillLinear(rect, initialColour, destColour, nDirection);
+}
+
+#if wxUSE_DYNLIB_CLASS
+
+static DWORD wxGetDCLayout(HDC hdc)
+{
+ typedef DWORD (WINAPI *GetLayout_t)(HDC);
+ static GetLayout_t
+ wxDL_INIT_FUNC(s_pfn, GetLayout, wxDynamicLibrary(_T("gdi32.dll")));
+
+ return s_pfnGetLayout ? s_pfnGetLayout(hdc) : (DWORD)-1;
+}
+
+wxLayoutDirection wxMSWDCImpl::GetLayoutDirection() const
+{
+ DWORD layout = wxGetDCLayout(GetHdc());
+
+ if ( layout == (DWORD)-1 )
+ return wxLayout_Default;
+
+ return layout & LAYOUT_RTL ? wxLayout_RightToLeft : wxLayout_LeftToRight;
+}
+
+void wxMSWDCImpl::SetLayoutDirection(wxLayoutDirection dir)
+{
+ typedef DWORD (WINAPI *SetLayout_t)(HDC, DWORD);
+ static SetLayout_t
+ wxDL_INIT_FUNC(s_pfn, SetLayout, wxDynamicLibrary(_T("gdi32.dll")));
+ if ( !s_pfnSetLayout )
+ return;
+
+ if ( dir == wxLayout_Default )
+ {
+ dir = wxTheApp->GetLayoutDirection();
+ if ( dir == wxLayout_Default )
+ return;
+ }
+
+ DWORD layout = wxGetDCLayout(GetHdc());
+ if ( dir == wxLayout_RightToLeft )
+ layout |= LAYOUT_RTL;
+ else
+ layout &= ~LAYOUT_RTL;
+
+ s_pfnSetLayout(GetHdc(), layout);
+}
+
+#else // !wxUSE_DYNLIB_CLASS
+
+// we can't provide RTL support without dynamic loading, so stub it out
+wxLayoutDirection wxMSWDCImpl::GetLayoutDirection() const
+{
+ return wxLayout_Default;
}
+
+void wxMSWDCImpl::SetLayoutDirection(wxLayoutDirection WXUNUSED(dir))
+{
+}
+
+#endif // wxUSE_DYNLIB_CLASS/!wxUSE_DYNLIB_CLASS
projects / wxWidgets.git / blobdiff