// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
-#include "wx/msw/private.h" // needs to be before #include <commdlg.h>
#ifdef __BORLANDC__
#pragma hdrstop
#include <string.h>
#include <math.h>
+#include "wx/msw/private.h" // needs to be before #include <commdlg.h>
+
#if wxUSE_COMMON_DIALOGS
-#if wxUSE_NORLANDER_HEADERS
- #include <windows.h>
-#endif
#include <commdlg.h>
#endif
#include <print.h>
#endif
- IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
+IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
// ---------------------------------------------------------------------------
// constants
static const double M_PI = 3.14159265358979323846;
#endif // M_PI
+// 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
+
// ---------------------------------------------------------------------------
// private functions
// ---------------------------------------------------------------------------
}
else
{
- wxCHECK_RET( m_selectedBitmap.Ok(), wxT("this DC can't be cleared") );
+ // 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())
+ return;
rect.left = 0; rect.top = 0;
rect.right = m_selectedBitmap.GetWidth();
void wxDC::DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, int style)
{
- (void)ExtFloodFill(GetHdc(), XLOG2DEV(x), YLOG2DEV(y),
- col.GetPixel(),
- style == wxFLOOD_SURFACE ? FLOODFILLSURFACE
- : FLOODFILLBORDER);
+ if ( !::ExtFloodFill(GetHdc(), XLOG2DEV(x), YLOG2DEV(y),
+ col.GetPixel(),
+ style == wxFLOOD_SURFACE ? FLOODFILLSURFACE
+ : FLOODFILLBORDER) )
+ {
+ // quoting from the MSDN docs:
+ //
+ // Following are some of the reasons this function might fail:
+ //
+ // * The filling could not be completed.
+ // * The specified point has the boundary color specified by the
+ // crColor parameter (if FLOODFILLBORDER was requested).
+ // * The specified point does not have the color specified by
+ // crColor (if FLOODFILLSURFACE was requested)
+ // * The point is outside the clipping region that is, it is not
+ // visible on the device.
+ //
+ wxLogLastError("ExtFloodFill");
+ }
CalcBoundingBox(x, y);
}
bool wxDC::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const
{
- // added by steve 29.12.94 (copied from DrawPoint)
- // returns TRUE for pixels in the color of the current pen
- // and FALSE for all other pixels colors
- // if col is non-NULL return the color of the pixel
-
// get the color of the pixel
COLORREF pixelcolor = ::GetPixel(GetHdc(), XLOG2DEV(x), YLOG2DEV(y));
+
+ // JACS: what was this for?
+#if 0
// get the color of the pen
COLORREF pencolor = 0x00ffffff;
if (m_pen.Ok())
{
pencolor = m_pen.GetColour().GetPixel();
}
+#endif
// return the color of the pixel
- if(col)
- col->Set(GetRValue(pixelcolor),GetGValue(pixelcolor),GetBValue(pixelcolor));
+ if( col )
+ {
+ col->Set(GetRValue(pixelcolor),
+ GetGValue(pixelcolor),
+ GetBValue(pixelcolor));
+ }
- // check, if color of the pixels is the same as the color
- // of the current pen
- return(pixelcolor==pencolor);
+ // check, if color of the pixels is the same as the color of the current
+ // pen and return TRUE if it is, FALSE otherwise
+ // JACS, 24/02/2000: can't understand the reason for this, so returning TRUE instead.
+ // return pixelcolor == pencolor;
+
+ return TRUE;
}
void wxDC::DoCrossHair(wxCoord x, wxCoord y)
(void)MoveToEx(GetHdc(), XLOG2DEV(x1), YLOG2DEV(y1), NULL);
(void)LineTo(GetHdc(), XLOG2DEV(x2), YLOG2DEV(y2));
- /* MATTHEW: [6] New normalization */
-#if WX_STANDARD_GRAPHICS
- (void)LineTo(GetHdc(), XLOG2DEV(x2) + 1, YLOG2DEV(y2));
-#endif
+ // Normalization: Windows doesn't draw the last point of the line.
+ // But apparently neither does GTK+, so we take it out again.
+// (void)LineTo(GetHdc(), XLOG2DEV(x2) + 1, YLOG2DEV(y2));
CalcBoundingBox(x1, y1);
CalcBoundingBox(x2, y2);
CalcBoundingBox((wxCoord)(xc+radius), (wxCoord)(yc+radius));
}
+void wxDC::DoDrawCheckMark(wxCoord x1, wxCoord y1,
+ wxCoord width, wxCoord height)
+{
+ wxCoord x2 = x1 + width,
+ y2 = y1 + height;
+
+#if defined(__WIN32__) && !defined(__SC__)
+ RECT rect;
+ rect.left = x1;
+ rect.top = y1;
+ rect.right = x2;
+ rect.bottom = y2;
+
+ DrawFrameControl(GetHdc(), &rect, DFC_MENU, DFCS_MENUCHECK);
+#else // Win16
+ // In WIN16, draw a cross
+ HPEN blackPen = ::CreatePen(PS_SOLID, 1, RGB(0, 0, 0));
+ HPEN whiteBrush = (HPEN)::GetStockObject(WHITE_BRUSH);
+ HPEN hPenOld = (HPEN)::SelectObject(GetHdc(), blackPen);
+ HPEN hBrushOld = (HPEN)::SelectObject(GetHdc(), whiteBrush);
+ ::SetROP2(GetHdc(), R2_COPYPEN);
+ Rectangle(GetHdc(), x1, y1, x2, y2);
+ MoveTo(GetHdc(), x1, y1);
+ LineTo(GetHdc(), x2, y2);
+ MoveTo(GetHdc(), x2, y1);
+ LineTo(GetHdc(), x1, y2);
+ ::SelectObject(GetHdc(), hPenOld);
+ ::SelectObject(GetHdc(), hBrushOld);
+ ::DeleteObject(blackPen);
+#endif // Win32/16
+
+ CalcBoundingBox(x1, y1);
+ CalcBoundingBox(x2, y2);
+}
+
void wxDC::DoDrawPoint(wxCoord x, wxCoord y)
{
COLORREF color = 0x00ffffff;
void wxDC::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset,int fillStyle)
{
+ COLORREF old_textground = ::GetTextColor(GetHdc());
+ COLORREF old_background = ::GetBkColor(GetHdc());
+ if (m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE)
+ {
+
+ if (m_textForegroundColour.Ok())
+ { //just the oposite from what is expected see help on pattern brush
+ // 1 in mask becomes bk color
+ ::SetBkColor(GetHdc(), m_textForegroundColour.GetPixel() );
+ }
+ if (m_textBackgroundColour.Ok())
+ { //just the oposite from what is expected
+ // 0 in mask becomes text color
+ ::SetTextColor(GetHdc(), m_textBackgroundColour.GetPixel() );
+ }
+
+ if (m_backgroundMode == wxTRANSPARENT)
+ SetBkMode(GetHdc(), TRANSPARENT);
+ else
+ SetBkMode(GetHdc(), OPAQUE);
+ }
+
// Do things less efficiently if we have offsets
if (xoffset != 0 || yoffset != 0)
{
(void)Polygon(GetHdc(), (POINT*) points, n);
SetPolyFillMode(GetHdc(),prev);
}
+
+ if (m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE)
+ {
+ ::SetBkMode(GetHdc(), TRANSPARENT);
+ ::SetTextColor(GetHdc(), old_textground);
+ ::SetBkColor(GetHdc(), old_background);
+ }
}
void wxDC::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
{
- wxCoord x2 = x + width;
- wxCoord y2 = y + height;
+ COLORREF colFgOld = 0,
+ colBgOld = 0;
- /* MATTHEW: [6] new normalization */
-#if WX_STANDARD_GRAPHICS
- bool do_brush, do_pen;
+ if ( m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE )
+ {
+ colFgOld = ::GetTextColor(GetHdc());
+ colBgOld = ::GetBkColor(GetHdc());
- do_brush = m_brush.Ok() && m_brush.GetStyle() != wxTRANSPARENT;
- do_pen = m_pen.Ok() && m_pen.GetStyle() != wxTRANSPARENT;
+ if ( m_textForegroundColour.Ok() )
+ {
+ // just the oposite from what is expected see help on pattern brush
+ // 1 in mask becomes bk color
+ ::SetBkColor(GetHdc(), m_textForegroundColour.GetPixel());
+ }
- if (do_brush) {
- HPEN orig_pen = NULL;
+ if ( m_textBackgroundColour.Ok() )
+ {
+ // 0 in mask becomes text color
+ ::SetTextColor(GetHdc(), m_textBackgroundColour.GetPixel());
+ }
- if (do_pen || !m_pen.Ok())
- orig_pen = (HPEN) ::SelectObject(GetHdc(), (HPEN) ::GetStockObject(NULL_PEN));
+ // VZ: IMHO this does strictly nothing here
+ SetBkMode(GetHdc(), m_backgroundMode == wxTRANSPARENT ? TRANSPARENT
+ : OPAQUE);
+ }
- (void)Rectangle(GetHdc(), XLOG2DEV(x), YLOG2DEV(y),
- XLOG2DEV(x2) + 1, YLOG2DEV(y2) + 1);
+ wxCoord x2 = x + width;
+ wxCoord y2 = y + height;
- if (do_pen || !m_pen.Ok())
- ::SelectObject(GetHdc() , orig_pen);
+ 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() );
}
- if (do_pen) {
- HBRUSH orig_brush = NULL;
-
- if (do_brush || !m_brush.Ok())
- orig_brush = (HBRUSH) ::SelectObject(GetHdc(), (HBRUSH) ::GetStockObject(NULL_BRUSH));
+ 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
- (void)Rectangle(GetHdc(), XLOG2DEV(x), YLOG2DEV(y),
- XLOG2DEV(x2), YLOG2DEV(y2));
+ // I wonder if this shouldn´t be done after the LOG2DEV() conversions. RR.
+ if ( m_pen.GetStyle() == wxTRANSPARENT )
+ {
+ x2++;
+ y2++;
+ }
- if (do_brush || !m_brush.Ok())
- ::SelectObject(GetHdc(), orig_brush);
+ (void)Rectangle(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2));
}
-#else
- (void)Rectangle(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2));
-#endif
+
CalcBoundingBox(x, y);
CalcBoundingBox(x2, y2);
+
+ if ( m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE )
+ {
+ // restore the colours we changed
+ ::SetBkMode(GetHdc(), TRANSPARENT);
+ ::SetTextColor(GetHdc(), colFgOld);
+ ::SetBkColor(GetHdc(), colBgOld);
+ }
}
void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
wxCoord x2 = (x+width);
wxCoord y2 = (y+height);
+ // 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 )
+ {
+ x2++;
+ y2++;
+ }
+
(void)RoundRect(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2),
YLOG2DEV(y2), (int) (2*XLOG2DEV(radius)), (int)( 2*YLOG2DEV(radius)));
void wxDC::DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
{
-#if defined(__WIN32__) && !defined(__SC__) && !defined(__TWIN32__)
- ::DrawIconEx(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), (HICON) icon.GetHICON(),
- icon.GetWidth(), icon.GetHeight(), 0, 0, DI_NORMAL);
-#else
- ::DrawIcon(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), (HICON) icon.GetHICON());
-#endif
+ wxCHECK_RET( icon.Ok(), wxT("invalid icon in DrawIcon") );
+
+ ::DrawIcon(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), GetHiconOf(icon));
CalcBoundingBox(x, y);
- CalcBoundingBox(x+icon.GetWidth(), y+icon.GetHeight());
+ CalcBoundingBox(x + icon.GetWidth(), y + icon.GetHeight());
}
void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
{
- if (!bmp.Ok())
- return;
-
- bool needsPixelCopy = FALSE ;
- bool isPrinter = FALSE ;
- if (IsKindOf(CLASSINFO(wxPrinterDC)) )
+ wxCHECK_RET( bmp.Ok(), _T("invalid bitmap in wxDC::DrawBitmap") );
+
+ int width = bmp.GetWidth(),
+ height = bmp.GetHeight();
+
+ HBITMAP hbmpMask = 0;
+
+ if ( useMask )
{
- isPrinter = TRUE ;
- if ( ::GetDeviceCaps((HDC) m_hDC, RASTERCAPS) & RC_STRETCHDIB )
- {
+ wxMask *mask = bmp.GetMask();
+ if ( mask )
+ hbmpMask = (HBITMAP)mask->GetMaskBitmap();
+
+ if ( !hbmpMask )
+ {
+ // don't give assert here because this would break existing
+ // programs - just silently ignore useMask parameter
+ useMask = FALSE;
}
- else
- {
- needsPixelCopy = TRUE ;
- }
}
- // If we're not drawing transparently, and not drawing to a printer,
- // optimize this function to use Windows functions.
- if (!useMask && !needsPixelCopy)
+
+ if ( useMask )
{
- if ( isPrinter )
+#ifdef __WIN32__
+ HDC hdcMem = ::CreateCompatibleDC(GetHdc());
+ ::SelectObject(hdcMem, GetHbitmapOf(bmp));
+
+ // use MaskBlt() with ROP which doesn't do anything to dst in the mask
+ // points
+ bool ok = ::MaskBlt(GetHdc(), x, y, width, height,
+ hdcMem, 0, 0,
+ hbmpMask, 0, 0,
+ MAKEROP4(SRCCOPY, DSTCOPY)) != 0;
+ ::DeleteDC(hdcMem);
+
+ if ( !ok )
+#endif // Win32
{
- BITMAPINFO *info = (BITMAPINFO *) malloc( sizeof( BITMAPINFOHEADER ) + 256 * sizeof(RGBQUAD ) ) ;
- int iBitsSize = ((bmp.GetWidth() + 3 ) & ~3 ) * bmp.GetHeight() ;
-
- void* bits = malloc( iBitsSize ) ;
-
- memset( info , 0 , sizeof( BITMAPINFOHEADER ) ) ;
-
- info->bmiHeader.biSize = sizeof( BITMAPINFOHEADER ) ;
- info->bmiHeader.biWidth = bmp.GetWidth() ;
- info->bmiHeader.biHeight = bmp.GetHeight() ;
- info->bmiHeader.biPlanes = 1 ;
- info->bmiHeader.biBitCount = 8 ;
- info->bmiHeader.biCompression = BI_RGB ;
-
- HDC display = GetDC( NULL ) ;
- if ( GetDIBits( display , (HBITMAP) bmp.GetHBITMAP( ) , 0 , bmp.GetHeight() , bits , info , DIB_RGB_COLORS ) )
- {
- StretchDIBits( (HDC) m_hDC,
- x, y, bmp.GetWidth(), bmp.GetHeight() ,
- 0 , 0 ,bmp.GetWidth(), bmp.GetHeight() ,
- bits , info , DIB_RGB_COLORS , SRCCOPY ) ;
- }
- ReleaseDC( NULL , display ) ;
- free ( bits ) ;
- free( info ) ;
- }
- else
- {
- HDC cdc = GetHdc();
- HDC memdc = ::CreateCompatibleDC( cdc );
- HBITMAP hbitmap = (HBITMAP) bmp.GetHBITMAP( );
-
- 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() );
- }
+ // Rather than reproduce wxDC::Blit, let's do it at the wxWin API
+ // level
+ wxMemoryDC memDC;
+ memDC.SelectObject(bmp);
- ::SelectObject( memdc, hbitmap );
- ::BitBlt( cdc, x, y, bmp.GetWidth(), bmp.GetHeight(), memdc, 0, 0, SRCCOPY);
- ::DeleteDC( memdc );
+ Blit(x, y, width, height, &memDC, 0, 0, wxCOPY, useMask);
- ::SetTextColor(GetHdc(), old_textground);
- ::SetBkColor(GetHdc(), old_background);
+ memDC.SelectObject(wxNullBitmap);
}
}
- else
+ else // no mask, just use BitBlt()
{
- // Rather than reproduce wxDC::Blit, let's do it at the wxWin API level
- wxMemoryDC memDC;
- memDC.SelectObject(bmp);
-
- /* Not sure if we need this. The mask should leave the
- * masked areas as per the original background of this DC.
- */
- /*
- // There might be transparent areas, so make these
- // the same colour as this DC
- memDC.SetBackground(* GetBackground());
- memDC.Clear();
- */
-
- Blit(x, y, bmp.GetWidth(), bmp.GetHeight(), & memDC, 0, 0, wxCOPY, useMask);
-
- memDC.SelectObject(wxNullBitmap);
+ HDC cdc = GetHdc();
+ HDC memdc = ::CreateCompatibleDC( cdc );
+ HBITMAP hbitmap = (HBITMAP) bmp.GetHBITMAP( );
+
+ 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() );
+ }
+
+ ::SelectObject( memdc, hbitmap );
+ ::BitBlt( cdc, x, y, width, height, memdc, 0, 0, SRCCOPY);
+ ::DeleteDC( memdc );
+
+ ::SetTextColor(GetHdc(), old_textground);
+ ::SetBkColor(GetHdc(), old_background);
}
}
DrawAnyText(text, x, y);
(void)::SelectObject(GetHdc(), hfontOld);
+ (void)::DeleteObject(hfont);
}
// call the bounding box by adding all four vertices of the rectangle
if (m_backgroundMode == wxTRANSPARENT)
::SetBkMode(GetHdc(), TRANSPARENT);
else
- ::SetBkMode(GetHdc(), OPAQUE);
+ ::SetBkMode(GetHdc(), OPAQUE);
*/
}
{
m_logicalFunction = function;
- SetRop((WXHDC) m_hDC);
+ SetRop(m_hDC);
}
void wxDC::SetRop(WXHDC dc)
{
- if (!dc || m_logicalFunction < 0)
+ if ( !dc || m_logicalFunction < 0 )
return;
- int c_rop;
- // These may be wrong
+ int rop;
+
switch (m_logicalFunction)
{
- // case wxXOR: c_rop = R2_XORPEN; break;
- case wxXOR: c_rop = R2_NOTXORPEN; break;
- case wxINVERT: c_rop = R2_NOT; break;
- case wxOR_REVERSE: c_rop = R2_MERGEPENNOT; break;
- case wxAND_REVERSE: c_rop = R2_MASKPENNOT; break;
- case wxCLEAR: c_rop = R2_WHITE; break;
- case wxSET: c_rop = R2_BLACK; break;
- case wxSRC_INVERT: c_rop = R2_NOTCOPYPEN; break;
- case wxOR_INVERT: c_rop = R2_MERGENOTPEN; break;
- case wxAND: c_rop = R2_MASKPEN; break;
- case wxOR: c_rop = R2_MERGEPEN; break;
- case wxAND_INVERT: c_rop = R2_MASKNOTPEN; break;
- case wxEQUIV:
- case wxNAND:
- case wxCOPY:
- default:
- c_rop = R2_COPYPEN; break;
+ case wxCLEAR: rop = R2_BLACK; break;
+ case wxXOR: rop = R2_XORPEN; break;
+ case wxINVERT: rop = R2_NOT; break;
+ case wxOR_REVERSE: rop = R2_MERGEPENNOT; break;
+ case wxAND_REVERSE: rop = R2_MASKPENNOT; break;
+ case wxCOPY: rop = R2_COPYPEN; break;
+ case wxAND: rop = R2_MASKPEN; break;
+ case wxAND_INVERT: rop = R2_MASKNOTPEN; break;
+ case wxNO_OP: rop = R2_NOP; break;
+ case wxNOR: rop = R2_NOTMERGEPEN; break;
+ case wxEQUIV: rop = R2_NOTXORPEN; break;
+ case wxSRC_INVERT: rop = R2_NOTCOPYPEN; break;
+ case wxOR_INVERT: rop = R2_MERGENOTPEN; break;
+ case wxNAND: rop = R2_NOTMASKPEN; break;
+ case wxOR: rop = R2_MERGEPEN; break;
+ case wxSET: rop = R2_WHITE; break;
+
+ default:
+ wxFAIL_MSG( wxT("unsupported logical function") );
+ return;
}
- SetROP2((HDC) dc, c_rop);
+
+ SetROP2(GetHdc(), rop);
}
bool wxDC::StartDoc(const wxString& message)
// ---------------------------------------------------------------------------
// bit blit
// ---------------------------------------------------------------------------
-bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
- wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop, bool useMask)
+
+bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest,
+ wxCoord width, wxCoord height,
+ wxDC *source, wxCoord xsrc, wxCoord ysrc,
+ int rop, bool useMask)
{
- wxCoord xdest1 = xdest;
- wxCoord ydest1 = ydest;
- wxCoord xsrc1 = xsrc;
- wxCoord ysrc1 = ysrc;
+ wxMask *mask = NULL;
+ if ( useMask )
+ {
+ const wxBitmap& bmp = source->m_selectedBitmap;
+ mask = bmp.GetMask();
+
+ if ( !(bmp.Ok() && mask && mask->GetMaskBitmap()) )
+ {
+ // don't give assert here because this would break existing
+ // programs - just silently ignore useMask parameter
+ useMask = FALSE;
+ }
+ }
COLORREF old_textground = ::GetTextColor(GetHdc());
COLORREF old_background = ::GetBkColor(GetHdc());
::SetBkColor(GetHdc(), m_textBackgroundColour.GetPixel() );
}
- DWORD dwRop = rop == wxCOPY ? SRCCOPY :
- rop == wxCLEAR ? WHITENESS :
- rop == wxSET ? BLACKNESS :
- rop == wxINVERT ? DSTINVERT :
- rop == wxAND ? MERGECOPY :
- rop == wxOR ? MERGEPAINT :
- rop == wxSRC_INVERT ? NOTSRCCOPY :
- rop == wxXOR ? SRCINVERT :
- rop == wxOR_REVERSE ? MERGEPAINT :
- rop == wxAND_REVERSE ? SRCERASE :
- rop == wxSRC_OR ? SRCPAINT :
- rop == wxSRC_AND ? SRCAND :
- SRCCOPY;
-
- bool success = TRUE;
- if (useMask && source->m_selectedBitmap.Ok() && source->m_selectedBitmap.GetMask())
+ DWORD dwRop = SRCCOPY;
+ switch (rop)
{
+ case wxXOR: dwRop = SRCINVERT; break;
+ case wxINVERT: dwRop = DSTINVERT; break;
+ case wxOR_REVERSE: dwRop = 0x00DD0228; break;
+ case wxAND_REVERSE: dwRop = SRCERASE; break;
+ case wxCLEAR: dwRop = BLACKNESS; break;
+ case wxSET: dwRop = WHITENESS; break;
+ case wxOR_INVERT: dwRop = MERGEPAINT; break;
+ case wxAND: dwRop = SRCAND; break;
+ case wxOR: dwRop = SRCPAINT; break;
+ case wxEQUIV: dwRop = 0x00990066; break;
+ case wxNAND: dwRop = 0x007700E6; break;
+ case wxAND_INVERT: dwRop = 0x00220326; break;
+ case wxCOPY: dwRop = SRCCOPY; break;
+ case wxNO_OP: dwRop = DSTCOPY; break;
+ case wxSRC_INVERT: dwRop = NOTSRCCOPY; break;
+ case wxNOR: dwRop = NOTSRCCOPY; break;
+ default:
+ wxFAIL_MSG( wxT("unsupported logical function") );
+ return FALSE;
+ }
-#if 0 // __WIN32__
- // Not implemented under Win95 (or maybe a specific device?)
- if (MaskBlt(GetHdc(), xdest1, ydest1, (int)width, (int)height,
- (HDC) source->m_hDC, xsrc1, ysrc1, (HBITMAP) source->m_selectedBitmap.GetMask()->GetMaskBitmap(),
- 0, 0, 0xAACC0020))
- {
- // Success
- }
- else
-#endif
+ bool success;
+
+ if (useMask)
+ {
+#ifdef __WIN32__
+ // we want the part of the image corresponding to the mask to be
+ // transparent, so use "DSTCOPY" ROP for the mask points (the usual
+ // meaning of fg and bg is inverted which corresponds to wxWin notion
+ // of the mask which is also contrary to the Windows one)
+ success = ::MaskBlt(GetHdc(), xdest, ydest, width, height,
+ GetHdcOf(*source), xsrc, ysrc,
+ (HBITMAP)mask->GetMaskBitmap(), 0, 0,
+ MAKEROP4(dwRop, DSTCOPY)) != 0;
+
+ if ( !success )
+#endif // Win32
{
- // New code from Chris Breeze, 15/7/98
// Blit bitmap with mask
- if (IsKindOf(CLASSINFO(wxPrinterDC)))
+ // create a temp buffer bitmap and DCs to access it and the mask
+ HDC dc_mask = ::CreateCompatibleDC(GetHdcOf(*source));
+ HDC dc_buffer = ::CreateCompatibleDC(GetHdc());
+ HBITMAP buffer_bmap = ::CreateCompatibleBitmap(GetHdc(), width, height);
+ ::SelectObject(dc_mask, (HBITMAP) mask->GetMaskBitmap());
+ ::SelectObject(dc_buffer, buffer_bmap);
+
+ // copy dest to buffer
+ if ( !::BitBlt(dc_buffer, 0, 0, (int)width, (int)height,
+ GetHdc(), xdest, ydest, SRCCOPY) )
{
- // If we are printing source colours are screen colours
- // not printer colours and so we need copy the bitmap
- // pixel by pixel.
- RECT rect;
- HDC dc_mask = ::CreateCompatibleDC((HDC) source->m_hDC);
- HDC dc_src = (HDC) source->m_hDC;
-
- ::SelectObject(dc_mask, (HBITMAP) source->m_selectedBitmap.GetMask()->GetMaskBitmap());
- for (int x = 0; x < width; x++)
- {
- for (int y = 0; y < height; y++)
- {
- COLORREF cref = ::GetPixel(dc_mask, x, y);
- if (cref)
- {
- HBRUSH brush = ::CreateSolidBrush(::GetPixel(dc_src, x, y));
- rect.left = xdest1 + x; rect.right = rect.left + 1;
- rect.top = ydest1 + y; rect.bottom = rect.top + 1;
- ::FillRect(GetHdc(), &rect, brush);
- ::DeleteObject(brush);
- }
- }
- }
- ::SelectObject(dc_mask, 0);
- ::DeleteDC(dc_mask);
+ wxLogLastError("BitBlt");
}
- else
+
+ // copy src to buffer using selected raster op
+ if ( !::BitBlt(dc_buffer, 0, 0, (int)width, (int)height,
+ GetHdcOf(*source), xsrc, ysrc, dwRop) )
+ {
+ wxLogLastError("BitBlt");
+ }
+
+ // 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, xsrc, ysrc, SRCAND) )
+ {
+ wxLogLastError("BitBlt");
+ }
+
+ // 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, xsrc, ysrc, SRCAND) )
+ {
+ wxLogLastError("BitBlt");
+ }
+ ::SetBkColor(GetHdc(), prevBkCol); // restore colours to original values
+ ::SetTextColor(GetHdc(), prevCol);
+
+ // OR buffer to dest
+ success = ::BitBlt(GetHdc(), xdest, ydest,
+ (int)width, (int)height,
+ dc_buffer, 0, 0, SRCPAINT) != 0;
+ if ( !success )
{
- // create a temp buffer bitmap and DCs to access it and the mask
- HDC dc_mask = ::CreateCompatibleDC((HDC) source->m_hDC);
- HDC dc_buffer = ::CreateCompatibleDC(GetHdc());
- HBITMAP buffer_bmap = ::CreateCompatibleBitmap(GetHdc(), width, height);
- ::SelectObject(dc_mask, (HBITMAP) source->m_selectedBitmap.GetMask()->GetMaskBitmap());
- ::SelectObject(dc_buffer, buffer_bmap);
-
- // copy dest to buffer
- ::BitBlt(dc_buffer, 0, 0, (int)width, (int)height,
- GetHdc(), xdest1, ydest1, SRCCOPY);
-
- // copy src to buffer using selected raster op
- ::BitBlt(dc_buffer, 0, 0, (int)width, (int)height,
- (HDC) source->m_hDC, xsrc1, ysrc1, dwRop);
-
- // 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));
- ::BitBlt(dc_buffer, 0, 0, (int)width, (int)height,
- dc_mask, xsrc1, ysrc1, SRCAND);
-
- // set unmasked area in dest to BLACK
- ::SetBkColor(GetHdc(), RGB(0, 0, 0));
- ::SetTextColor(GetHdc(), RGB(255, 255, 255));
- ::BitBlt(GetHdc(), xdest1, ydest1, (int)width, (int)height,
- dc_mask, xsrc1, ysrc1, SRCAND);
- ::SetBkColor(GetHdc(), prevBkCol); // restore colours to original values
- ::SetTextColor(GetHdc(), prevCol);
-
- // OR buffer to dest
- success = (::BitBlt(GetHdc(), xdest1, ydest1, (int)width, (int)height,
- dc_buffer, 0, 0, SRCPAINT) != 0);
-
- // tidy up temporary DCs and bitmap
- ::SelectObject(dc_mask, 0);
- ::DeleteDC(dc_mask);
- ::SelectObject(dc_buffer, 0);
- ::DeleteDC(dc_buffer);
- ::DeleteObject(buffer_bmap);
+ wxLogLastError("BitBlt");
}
+
+ // tidy up temporary DCs and bitmap
+ ::SelectObject(dc_mask, 0);
+ ::DeleteDC(dc_mask);
+ ::SelectObject(dc_buffer, 0);
+ ::DeleteDC(dc_buffer);
+ ::DeleteObject(buffer_bmap);
}
}
- else
+ else // no mask, just BitBlt() it
{
- // If we are printing, source colours are screen colours
- // not printer colours and so we need copy the bitmap
- // pixel by pixel.
- if (IsKindOf(CLASSINFO(wxPrinterDC)))
- {
- HDC dc_src = (HDC) source->m_hDC;
- RECT rect;
- for (int y = 0; y < height; y++)
- {
- // This is Stefan Csomor's optimisation, where
- // identical adjacent pixels are drawn together.
- // We still need a faster way of drawing bitmaps,
- // perhaps converting to a DIB first and using SetDIBitsToDevice.
- for (int x = 0; x < width; x++)
- {
- COLORREF col = ::GetPixel(dc_src, x, y) ;
- HBRUSH brush = ::CreateSolidBrush( col );
-
- rect.left = xdest1 + x;
- rect.top = ydest1 + y;
- while( (x + 1 < width) && (::GetPixel(dc_src, x + 1, y) == col ) )
- {
- ++x ;
- }
- rect.right = xdest1 + x + 1;
- rect.bottom = rect.top + 1;
- ::FillRect((HDC) m_hDC, &rect, brush);
- ::DeleteObject(brush);
- }
- }
-/*
- HDC dc_src = (HDC) source->m_hDC;
- RECT rect;
- for (int x = 0; x < width; x++)
- {
- for (int y = 0; y < height; y++)
- {
- HBRUSH brush = ::CreateSolidBrush(::GetPixel(dc_src, x, y));
- rect.left = xdest1 + x; rect.right = rect.left + 1;
- rect.top = ydest1 + y; rect.bottom = rect.top + 1;
- ::FillRect(GetHdc(), &rect, brush);
- ::DeleteObject(brush);
- }
- }
-*/
- }
- else
+ success = ::BitBlt(GetHdc(), xdest, ydest,
+ (int)width, (int)height,
+ GetHdcOf(*source), xsrc, ysrc, dwRop) != 0;
+ if ( !success )
{
- success = (BitBlt(GetHdc(), xdest1, ydest1, (int)width, (int)height, (HDC) source->m_hDC,
- xsrc1, ysrc1, dwRop) != 0);
+ wxLogLastError("BitBlt");
}
}
::SetTextColor(GetHdc(), old_textground);
projects / wxWidgets.git / blobdiff