m_bOwnsDC = FALSE;
m_hDC = 0;
- m_nDCCount = 0;
m_hOldPS = NULL;
m_hPS = NULL;
- m_bIsPaintTime = FALSE;// True at Paint Time
-};
+ m_bIsPaintTime = FALSE; // True at Paint Time
+ m_brush.GetColour().Set("WHITE");
+} // end of wxDC::wxDC
wxDC::~wxDC(void)
{
- // TODO:
-};
+ if ( m_hDC != 0 )
+ {
+ SelectOldObjects(m_hDC);
+
+ // if we own the HDC, we delete it, otherwise we just release it
+
+ if (m_bOwnsDC)
+ {
+ if(m_hPS)
+ {
+ ::GpiAssociate(m_hPS, NULLHANDLE);
+ ::GpiDestroyPS(m_hPS);
+ }
+ m_hPS = NULLHANDLE;
+ ::DevCloseDC((HDC)m_hDC);
+ }
+ else
+ {
+ //
+ // Just Dissacociate, not destroy if we don't own the DC
+ //
+ if(m_hPS)
+ {
+ ::GpiAssociate(m_hPS, NULLHANDLE);
+ }
+ }
+ }
+} // end of wxDC::~wxDC
// 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 wxDC::SelectOldObjects(
+ WXHDC hPS
+)
{
- if (dc)
+ if (hPS)
{
if (m_hOldBitmap)
{
-// ::SelectObject((HDC) dc, (HBITMAP) m_oldBitmap);
+ ::GpiSetBitmap(hPS, (HBITMAP) m_hOldBitmap);
if (m_vSelectedBitmap.Ok())
{
m_vSelectedBitmap.SetSelectedInto(NULL);
}
}
m_hOldBitmap = 0;
- if (m_hOldPen)
- {
-// ::SelectObject((HDC) dc, (HPEN) m_oldPen);
- }
+ //
+ // OS/2 has no other native GDI objects to set in a PS/DC like windows
+ //
m_hOldPen = 0;
- if (m_hOldBrush)
- {
-// ::SelectObject((HDC) dc, (HBRUSH) m_oldBrush);
- }
m_hOldBrush = 0;
- if (m_hOldFont)
- {
-// ::SelectObject((HDC) dc, (HFONT) m_oldFont);
- }
m_hOldFont = 0;
- if (m_hOldPalette)
- {
-// ::SelectPalette((HDC) dc, (HPALETTE) m_oldPalette, TRUE);
- }
m_hOldPalette = 0;
}
m_font = wxNullFont;
m_backgroundBrush = wxNullBrush;
m_vSelectedBitmap = wxNullBitmap;
-}
+} // end of wxDC::SelectOldObjects
// ---------------------------------------------------------------------------
// clipping
// ---------------------------------------------------------------------------
-#define DO_SET_CLIPPING_BOX() \
-{ \
- RECT rect; \
- \
- GetClipBox(GetHdc(), &rect); \
- \
- m_clipX1 = (wxCoord) XDEV2LOG(rect.left); \
- m_clipY1 = (wxCoord) YDEV2LOG(rect.top); \
- m_clipX2 = (wxCoord) XDEV2LOG(rect.right); \
- m_clipY2 = (wxCoord) YDEV2LOG(rect.bottom); \
-}
-
-void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y
- ,wxCoord width, wxCoord height
- )
+#define DO_SET_CLIPPING_BOX() \
+{ \
+ RECTL rect; \
+ \
+ ::GpiQueryClipBox(m_hPS, &rect); \
+ \
+ m_clipX1 = (wxCoord) XDEV2LOG(rect.xLeft); \
+ m_clipY1 = (wxCoord) YDEV2LOG(rect.yTop); \
+ m_clipX2 = (wxCoord) XDEV2LOG(rect.xRight); \
+ m_clipY2 = (wxCoord) YDEV2LOG(rect.yBottom); \
+}
+
+void wxDC::DoSetClippingRegion(
+ wxCoord x
+, wxCoord y
+, wxCoord width
+, wxCoord height
+)
{
- // TODO
-}
+ RECTL vRect;
-void wxDC::DoSetClippingRegionAsRegion(const wxRegion& region)
+ m_clipping = TRUE;
+ vRect.xLeft = XLOG2DEV(x);
+ vRect.yTop = YLOG2DEV(m_vRclPaint.yTop - y);
+ vRect.xRight = XLOG2DEV(x + width);
+ vRect.yBottom = YLOG2DEV(m_vRclPaint.yTop - (y + height));
+ ::GpiIntersectClipRectangle(m_hPS, &vRect);
+ DO_SET_CLIPPING_BOX()
+} // end of wxDC::DoSetClippingRegion
+
+void wxDC::DoSetClippingRegionAsRegion(
+ const wxRegion& rRegion
+)
{
- // TODO
-}
+ wxCHECK_RET(rRegion.GetHRGN(), wxT("invalid clipping region"));
+ HRGN hRgnOld;
+
+ m_clipping = TRUE;
+ ::GpiSetClipRegion( m_hPS
+ ,(HRGN)rRegion.GetHRGN()
+ ,&hRgnOld
+ );
+ DO_SET_CLIPPING_BOX()
+} // end of wxDC::DoSetClippingRegionAsRegion
void wxDC::DestroyClippingRegion(void)
{
- // TODO:
-};
+ if (m_clipping && m_hPS)
+ {
+ HRGN hRgnOld;
+ RECTL vRect;
+
+ // TODO: this should restore the previous clipped region
+ // so that OnPaint processing works correctly, and
+ // the update doesn't get destroyed after the first
+ // DestroyClippingRegion
+ vRect.xLeft = XLOG2DEV(0);
+ vRect.yTop = YLOG2DEV(32000);
+ vRect.xRight = XLOG2DEV(32000);
+ vRect.yBottom = YLOG2DEV(0);
+
+ HRGN hRgn = ::GpiCreateRegion(m_hPS, 1, &vRect);
+
+ ::GpiSetClipRegion(m_hPS, hRgn, &hRgnOld);
+ }
+ m_clipping = FALSE;
+} // end of wxDC::DestroyClippingRegion
// ---------------------------------------------------------------------------
// query capabilities
bool wxDC::CanGetTextExtent() const
{
- // What sort of display is it?
- int technology = 0; // TODO: ::GetDeviceCaps(GetHdc(), TECHNOLOGY);
+ LONG lTechnology = 0L;
- // TODO: return (technology == DT_RASDISPLAY) || (technology == DT_RASPRINTER);
- return FALSE;
-}
+ ::DevQueryCaps(GetHDC(), CAPS_TECHNOLOGY, 1L, &lTechnology);
+ return (lTechnology == CAPS_TECH_RASTER_DISPLAY) || (lTechnology == CAPS_TECH_RASTER_PRINTER);
+} // end of wxDC::CanGetTextExtent
int wxDC::GetDepth() const
{
- // TODO:
- return (1);
-}
+ LONG lArray[CAPS_COLOR_BITCOUNT];
+ int nBitsPerPixel;
+
+ if(::DevQueryCaps( GetHDC()
+ ,CAPS_FAMILY
+ ,CAPS_COLOR_BITCOUNT
+ ,lArray
+ ))
+ {
+ nBitsPerPixel = (int)lArray[CAPS_COLOR_BITCOUNT];
+ }
+ return nBitsPerPixel;
+} // end of wxDC::GetDepth
// ---------------------------------------------------------------------------
// drawing
void wxDC::Clear()
{
- // TODO
+ ::GpiErase(m_hPS);
}
void wxDC::DoFloodFill(
vPoint.x = vX;
vPoint.y = vY;
lColor = ::GpiSetPel(m_hPS, &vPoint);
-// *pCol.Set(lColor);
+ pCol->Set((unsigned long)lColor);
if(lColor>= 0)
return(TRUE);
- else
+ else
return(FALSE);
}
-void wxDC::DoCrossHair(wxCoord x, wxCoord y)
+void wxDC::DoCrossHair(
+ wxCoord vX
+, wxCoord vY
+)
{
- // TODO
-}
+ wxCoord vX1 = vX - VIEWPORT_EXTENT;
+ wxCoord vY1 = vY - VIEWPORT_EXTENT;
+ wxCoord vX2 = vX + VIEWPORT_EXTENT;
+ wxCoord vY2 = vY + VIEWPORT_EXTENT;
+ POINTL vPoint[4];
+
+ vPoint[0].x = vX1;
+ vPoint[0].y = m_vRclPaint.yTop - vY;
+
+ vPoint[1].x = vX2;
+ vPoint[1].y = m_vRclPaint.yTop - vY;
+
+ ::GpiMove(m_hPS, &vPoint[0]);
+ ::GpiLine(m_hPS, &vPoint[1]);
+
+ vPoint[2].x = vX;
+ vPoint[2].y = m_vRclPaint.yTop - vY1;
+
+ vPoint[3].x = vX;
+ vPoint[3].y = m_vRclPaint.yTop - vY2;
+
+ ::GpiMove(m_hPS, &vPoint[2]);
+ ::GpiLine(m_hPS, &vPoint[3]);
+} // end of wxDC::DoCrossHair
void wxDC::DoDrawLine(
wxCoord vX1
POINTL vPoint[2];
vPoint[0].x = vX1;
- vPoint[0].y = vY1;
+ vPoint[0].y = m_vRclPaint.yTop - vY1;
vPoint[1].x = vX2;
- vPoint[1].y = vY2;
- // ::GpiSetColor(m_hPS,CLR_RED); //DEbug
+ vPoint[1].y = m_vRclPaint.yTop - vY2;
::GpiMove(m_hPS, &vPoint[0]);
::GpiLine(m_hPS, &vPoint[1]);
-}
+} // end of wxDC::DoDrawLine
//////////////////////////////////////////////////////////////////////////////
// Draws an arc of a circle, centred on (xc, yc), with starting point (x1, y1)
dAnglmid = (dAngl1 + dAngl2)/2. + M_PI;
vXm = vXc + dRadius * cos(dAnglmid);
vYm = vYc + dRadius * sin(dAnglmid);
- DoDrawArc( vX1
- ,vY1
- ,vXm
- ,vYm
- ,vXc
- ,vYc
+ DoDrawArc( vX1, vY1
+ ,vXm, vYm
+ ,vXc, vYc
);
- DoDrawArc( vXm
- ,vYm
- ,vX2
- ,vY2
- ,vXc
- ,vYc
+ DoDrawArc( vXm, vYm
+ ,vX2, vY2
+ ,vXc, vYc
);
return;
}
vPtlPos.x = vX1; // Loads x-coordinate
vPtlPos.y = vY1; // Loads y-coordinate
::GpiMove(m_hPS, &vPtlPos); // Sets current position
- vPtlArc[0].x = vXm;
- vPtlArc[0].y = vYm;
+ vPtlArc[0].x = vXm;
+ vPtlArc[0].y = vYm;
vPtlArc[1].x = vX2;
vPtlArc[1].y = vY2;
::GpiPointArc(m_hPS, vPtlArc); // Draws the arc
-}
+} // end of wxDC::DoDrawArc
void wxDC::DoDrawCheckMark(
wxCoord vX1
::GpiMove(m_hPS, &vPoint[0]);
::GpiLine(m_hPS, &vPoint[1]);
}
-}
+} // end of wxDC::DoDrawCheckMark
void wxDC::DoDrawPoint(
wxCoord vX
POINTL vPoint;
vPoint.x = vX;
- vPoint.y = vY;
+ vPoint.y = m_vRclPaint.yTop - vY;
::GpiSetPel(m_hPS, &vPoint);
-}
+} // end of wxDC::DoDrawPoint
void wxDC::DoDrawPolygon(
int n
::GpiMove(m_hPS, &vPoint);
lHits = ::GpiPolygons(m_hPS, ulCount, &vPlgn, flOptions, flModel);
free(vPlgn.aPointl);
-}
+} // end of wxDC::DoDrawPolygon
void wxDC::DoDrawLines(
int n
vPoint.y = vPoints[0].y + vYoffset;
::GpiLine(m_hPS, &vPoint);
}
-}
+} // end of wxDC::DoDrawLines
void wxDC::DoDrawRectangle(
wxCoord vX
int nIsTRANSPARENT = 0;
vPoint[0].x = vX;
- vPoint[0].y = vY;
+ vPoint[0].y = m_vRclPaint.yTop - (vY + vHeight);
vPoint[1].x = vX + vWidth;
- vPoint[1].y = vY - vHeight; //mustdie !!! ??
+ vPoint[1].y = m_vRclPaint.yTop - vY;
::GpiMove(m_hPS, &vPoint[0]);
lColor = m_brush.GetColour().GetPixel();
lBorderColor = m_pen.GetColour().GetPixel();
if(m_brush.GetStyle() == wxTRANSPARENT)
lControl = DRO_OUTLINE;
-//EK ::GpiSetColor(m_hPS,lBorderColor);
- ::GpiSetColor(m_hPS,CLR_GREEN);
+ ::GpiSetColor(m_hPS, lColor);
::GpiBox( m_hPS // handle to a presentation space
,lControl // draw the box outline ? or ?
,&vPoint[1] // address of the corner
::GpiSetColor( m_hPS
,lColor
);
+ vPoint[0].x = vX + 1;
+ vPoint[0].y = m_vRclPaint.yTop - (vY + vHeight) + 1;
+ vPoint[1].x = vX + vWidth - 2;
+ vPoint[1].y = m_vRclPaint.yTop - (vY + 2);
+ ::GpiMove(m_hPS, &vPoint[0]);
::GpiBox( m_hPS
,lControl
,&vPoint[1]
,0L
);
}
-}
+} // end of wxDC::DoDrawRectangle
void wxDC::DoDrawRoundedRectangle(
wxCoord vX
LONG lControl;
vPoint[0].x = vX;
- vPoint[0].y = vY;
+ vPoint[0].y = YLOG2DEV(vY) - vHeight;
vPoint[1].x = vX + vWidth;
- vPoint[1].y = vY + vHeight;
+ vPoint[1].y = vY;
::GpiMove(m_hPS, &vPoint[0]);
lControl = DRO_OUTLINEFILL; //DRO_FILL;
,(LONG)dRadius // horizontal corner radius
,(LONG)dRadius // vertical corner radius
);
-}
+} // end of wxDC::DoDrawRoundedRectangle
// Draw Ellipse within box (x,y) - (x+width, y+height)
void wxDC::DoDrawEllipse(
,DRO_OUTLINE
,vFxMult
); // Draws full arc with center at current position
-}
+} // end of wxDC::DoDrawEllipse
void wxDC::DoDrawEllipticArc(
wxCoord vX
,vFSa
,vFSweepa
);
-}
+} // end of wxDC::DoDrawEllipticArc
-void wxDC::DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
+void wxDC::DoDrawIcon(
+ const wxIcon& rIcon
+, wxCoord vX
+, wxCoord vY
+)
{
- // TODO:
-}
+ wxCHECK_RET( rIcon.Ok(), wxT("invalid icon in DrawIcon") );
+
+ ::WinDrawPointer( GetHPS()
+ ,vX
+ ,vY
+ ,(HPOINTER)GetHiconOf(rIcon)
+ ,DP_NORMAL
+ );
+} // end of wxDC::DoDrawIcon
-void wxDC::DoDrawBitmap( const wxBitmap &bmp
- ,wxCoord x, wxCoord y
- ,bool useMask
- )
+void wxDC::DoDrawBitmap(
+ const wxBitmap& rBmp
+, wxCoord vX
+, wxCoord vY
+, bool bUseMask
+)
{
- // TODO
-}
+ POINTL vPoint = {vX, vY};
+
+ ::WinDrawBitmap( GetHPS()
+ ,(HBITMAP)GetHbitmapOf(rBmp)
+ ,NULL
+ ,&vPoint
+ ,0L
+ ,0L
+ ,DBM_NORMAL
+ );
+} // end of wxDC::DoDrawBitmap
void wxDC::DoDrawText(
const wxString& rsText
//
if (m_hOldFont)
{
-// ::SelectObject(GetHdc(), (HFONT) m_hOldFont);
m_hOldFont = 0;
}
-
m_font = rFont;
-
if (!rFont.Ok())
{
- if (m_hOldFont)
-// ::SelectObject(GetHdc(), (HFONT) m_hOldFont);
m_hOldFont = 0;
}
- if (m_font.Ok() && m_font.GetResourceHandle())
+ m_font.SetPS(m_hPS); // this will realize the font
+
+ if (m_font.Ok())
{
- HFONT hFont = (HFONT)0; //::SelectObject(GetHdc(), (HFONT) m_font.GetResourceHandle());
+ HFONT hFont = m_font.GetResourceHandle();
if (hFont == (HFONT) NULL)
{
wxLogDebug(wxT("::SelectObject failed in wxDC::SetFont."));
if (!m_hOldFont)
m_hOldFont = (WXHFONT) hFont;
}
-}
+} // end of wxDC::SetFont
void wxDC::SetPen(
const wxPen& rPen
if (!m_pen.Ok())
return;
- int nWidth = m_pen.GetWidth();
+ if (m_hOldPen)
+ m_hOldPen = 0L;
+ m_pen = rPen;
- if (nWidth <= 0)
- {
- nWidth = 1;
- }
- else
+ if (!m_pen.Ok())
{
- double dW = 0.5 +
- ( fabs((double) XLOG2DEVREL(nWidth)) +
- fabs((double) YLOG2DEVREL(nWidth))
- ) / 2.0;
- nWidth = (int)dW;
+ if (m_hOldPen)
+ {
+ m_pen.SetPS((HPS)m_hOldPen);
+ }
+ m_hOldPen = 0L;
}
- wxColour vColor = m_pen.GetColour();
- ::GpiSetColor( m_hPS
- ,vColor.GetPixel()
- ); //DEbug ??
-
- int nLinetype;
- int nStyle = m_pen.GetStyle();
-
- nLinetype = LINETYPE_DEFAULT;
- switch(nStyle)
+ if (m_pen.Ok())
{
- case wxDOT:
- nLinetype = LINETYPE_DOT;
- break;
-
- case wxLONG_DASH:
- nLinetype = LINETYPE_LONGDASH;
- break;
-
- case wxSHORT_DASH:
- nLinetype = LINETYPE_SHORTDASH;
- break;
-
- case wxDOT_DASH:
- nLinetype = LINETYPE_DASHDOT;
- break;
-
- case wxTRANSPARENT:
- nLinetype = LINETYPE_INVISIBLE;
- break;
-
- case wxSOLID:
- nLinetype = LINETYPE_SOLID;
- break;
+ if (m_pen.GetResourceHandle())
+ {
+ m_pen.SetPS(m_hPS);
+ if (!m_hOldPen)
+ m_hOldPen = m_pen.GetPS();
+ }
}
- ::GpiSetLineType( m_hPS
- ,nLinetype
- );
-
- nWidth = m_pen.GetWidth();
- ::GpiSetLineWidth( m_hPS
- ,MAKEFIXED( nWidth
- ,0
- )
- );
}
void wxDC::SetBrush(
const wxBrush& rBrush
)
{
- // TODO
-}
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ if (m_brush == rBrush)
+ return;
+ m_brush = rBrush;
+ if (!m_brush.Ok())
+ return;
+
+ if (m_hOldBrush)
+ m_hOldBrush = 0L;
+ m_brush = rBrush;
+
+ if (!m_brush.Ok())
+ {
+ if (m_hOldBrush)
+ {
+ m_brush.SetPS((HPS)m_hOldBrush);
+ }
+ m_hOldBrush = 0L;
+ }
+
+ if (m_brush.Ok())
+ {
+ if (m_brush.GetResourceHandle())
+ {
+ m_brush.SetPS(m_hPS);
+ if (!m_hOldBrush)
+ m_hOldBrush = m_brush.GetPS();
+ }
+ }
+} // end of wxDC::SetBrush
void wxDC::SetBackground(const wxBrush& brush)
{
wxCoord wxDC::GetCharHeight() const
{
- // TODO
- return(8);
+ FONTMETRICS vFM; // metrics structure
+
+ ::GpiQueryFontMetrics( m_hPS
+ ,sizeof(FONTMETRICS)
+ ,&vFM
+ );
+ return YDEV2LOGREL(vFM.lXHeight);
}
wxCoord wxDC::GetCharWidth() const
{
- // TODO
- return(8);
+ FONTMETRICS vFM; // metrics structure
+
+ ::GpiQueryFontMetrics( m_hPS
+ ,sizeof(FONTMETRICS)
+ ,&vFM
+ );
+ return XDEV2LOGREL(vFM.lAveCharWidth);
}
void wxDC::DoGetTextExtent(
ERRORID vErrorCode; // last error id code
wxFont* pFontToUse = (wxFont*)pTheFont;
+ char zMsg[128]; // DEBUG
+ wxString sError;
+
if (!pFontToUse)
pFontToUse = (wxFont*)&m_font;
l = rsString.length();
if(!bRc)
{
vErrorCode = ::WinGetLastError(wxGetInstance());
+ sError = wxPMErrorToStr(vErrorCode);
+ // DEBUG
+ sprintf(zMsg, "GpiQueryTextBox for %s: failed with Error: %x - %s", pStr, vErrorCode, sError.c_str());
+ (void)wxMessageBox( "wxWindows Menu sample"
+ ,zMsg
+ ,wxICON_INFORMATION
+ );
}
vPtMin.x = avPoint[0].x;
// TODO:
};
-void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
+void wxDC::SetDeviceOrigin(
+ wxCoord x
+, wxCoord y
+)
{
- // TODO:
+ RECTL vRect;
+
+ m_deviceOriginX = x;
+ m_deviceOriginY = y;
+ ::GpiQueryPageViewport( m_hPS
+ ,&vRect
+ );
+ vRect.xLeft += x;
+ vRect.xRight += x;
+ vRect.yBottom -= y;
+ vRect.yTop -= y;
+ ::GpiSetPageViewport( m_hPS
+ ,&vRect
+ );
};
// ---------------------------------------------------------------------------
// 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 vXdest
+, wxCoord vYdest
+, wxCoord vWidth
+, wxCoord vHeight
+, wxDC* pSource
+, wxCoord vXsrc
+, wxCoord vYsrc
+, int nRop
+, bool bUseMask
+)
{
- // TODO
- return(TRUE);
+ wxMask* pMask = NULL;
+ CHARBUNDLE vCbnd;
+ COLORREF vOldTextColor;
+ COLORREF vOldBackground = ::GpiQueryBackColor(m_hPS);
+
+ if (bUseMask)
+ {
+ const wxBitmap& rBmp = pSource->m_vSelectedBitmap;
+
+ pMask = rBmp.GetMask();
+ if (!(rBmp.Ok() && pMask && pMask->GetMaskBitmap()))
+ {
+ bUseMask = FALSE;
+ }
+ }
+
+ ::GpiQueryAttrs( m_hPS
+ ,PRIM_CHAR
+ ,CBB_COLOR
+ ,&vCbnd
+ );
+ vOldTextColor = (COLORREF)vCbnd.lColor;
+
+ if (m_textForegroundColour.Ok())
+ {
+ vCbnd.lColor = (LONG)m_textForegroundColour.GetPixel();
+ ::GpiSetAttrs( m_hPS // presentation-space handle
+ ,PRIM_CHAR // Char primitive.
+ ,CBB_COLOR // sets color.
+ ,0
+ ,&vCbnd // buffer for attributes.
+ );
+ }
+ if (m_textBackgroundColour.Ok())
+ {
+ ::GpiSetBackColor(m_hPS, (LONG)m_textBackgroundColour.GetPixel());
+ }
+
+ LONG lRop = ROP_SRCCOPY;
+
+ switch (nRop)
+ {
+ case wxXOR: lRop = ROP_SRCINVERT; break;
+ case wxINVERT: lRop = ROP_DSTINVERT; break;
+ case wxOR_REVERSE: lRop = 0x00DD0228; break;
+ case wxAND_REVERSE: lRop = ROP_SRCERASE; break;
+ case wxCLEAR: lRop = ROP_ZERO; break;
+ case wxSET: lRop = ROP_ONE; break;
+ case wxOR_INVERT: lRop = ROP_MERGEPAINT; break;
+ case wxAND: lRop = ROP_SRCAND; break;
+ case wxOR: lRop = ROP_SRCPAINT; break;
+ case wxEQUIV: lRop = 0x00990066; break;
+ case wxNAND: lRop = 0x007700E6; break;
+ case wxAND_INVERT: lRop = 0x00220326; break;
+ case wxCOPY: lRop = ROP_SRCCOPY; break;
+ case wxNO_OP: lRop = ROP_NOTSRCERASE; break;
+ case wxSRC_INVERT: lRop = ROP_SRCINVERT; break;
+ case wxNOR: lRop = ROP_NOTSRCCOPY; break;
+ default:
+ wxFAIL_MSG( wxT("unsupported logical function") );
+ return FALSE;
+ }
+
+ bool bSuccess;
+
+ if (bUseMask)
+ {
+ //
+ // Blit bitmap with mask
+ //
+
+ //
+ // Create a temp buffer bitmap and DCs/PSs to access it and the mask
+ //
+ HDC hDCMask;
+ HDC hDCBuffer;
+ HPS hPSMask;
+ HPS hPSBuffer;
+ DEVOPENSTRUC vDOP = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
+ BITMAPINFOHEADER2 vBmpHdr;
+ SIZEL vSize = {0, 0};
+ LONG rc;
+
+ hDCMask = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDOP, NULLHANDLE);
+ hDCBuffer = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDOP, NULLHANDLE);
+ hPSMask = ::GpiCreatePS(vHabmain, hDCMask, &vSize, PU_PELS | GPIT_MICRO | GPIA_ASSOC);
+ hPSBuffer = ::GpiCreatePS(vHabmain, hDCBuffer, &vSize, PU_PELS | GPIT_MICRO | GPIA_ASSOC);
+
+ memset(&vBmpHdr, 0, sizeof(BITMAPINFOHEADER2));
+ vBmpHdr.cbFix = sizeof(BITMAPINFOHEADER2);
+ vBmpHdr.cx = vWidth;
+ vBmpHdr.cy = vHeight;
+ vBmpHdr.cPlanes = 1;
+ vBmpHdr.cBitCount = 24;
+
+ HBITMAP hBufBitmap = ::GpiCreateBitmap(GetHPS(), &vBmpHdr, 0L, NULL, NULL);
+ POINTL aPoint1[4] = { 0, 0
+ ,vWidth, vHeight
+ ,vXdest, vYdest
+ ,vXdest + vWidth, vYdest + vHeight
+ };
+ POINTL aPoint2[4] = { 0, 0
+ ,vWidth, vHeight
+ ,vXsrc, vYsrc
+ ,vXsrc + vWidth, vYsrc + vHeight
+ };
+ POINTL aPoint3[4] = { vXdest, vYdest
+ ,vXdest + vWidth, vYdest + vHeight
+ ,vXsrc, vYsrc
+ ,vXsrc + vWidth, vYsrc + vHeight
+ };
+ POINTL aPoint4[4] = { vXdest, vYdest
+ ,vXdest + vWidth, vYdest + vHeight
+ ,0, 0
+ ,vWidth, vHeight
+ };
+ ::GpiSetBitmap(hPSMask, (HBITMAP) pMask->GetMaskBitmap());
+ ::GpiSetBitmap(hPSBuffer, (HBITMAP) hBufBitmap);
+
+ //
+ // Copy dest to buffer
+ //
+ rc = ::GpiBitBlt( hPSBuffer
+ ,GetHPS()
+ ,4L
+ ,aPoint1
+ ,ROP_SRCCOPY
+ ,BBO_IGNORE
+ );
+ if (rc == GPI_ERROR)
+ {
+ wxLogLastError(wxT("BitBlt"));
+ }
+
+ //
+ // Copy src to buffer using selected raster op
+ //
+ rc = ::GpiBitBlt( hPSBuffer
+ ,GetHPS()
+ ,4L
+ ,aPoint2
+ ,lRop
+ ,BBO_IGNORE
+ );
+ if (rc == GPI_ERROR)
+ {
+ wxLogLastError(wxT("BitBlt"));
+ }
+
+ //
+ // Set masked area in buffer to BLACK (pixel value 0)
+ //
+ COLORREF vPrevBkCol = ::GpiQueryBackColor(GetHPS());
+ COLORREF vPrevCol = ::GpiQueryColor(GetHPS());
+
+ ::GpiSetBackColor(GetHPS(), OS2RGB(255, 255, 255));
+ ::GpiSetColor(GetHPS(), OS2RGB(0, 0, 0));
+
+ rc = ::GpiBitBlt( hPSBuffer
+ ,hPSMask
+ ,4L
+ ,aPoint2
+ ,ROP_SRCAND
+ ,BBO_IGNORE
+ );
+ if (rc == GPI_ERROR)
+ {
+ wxLogLastError(wxT("BitBlt"));
+ }
+
+ //
+ // Set unmasked area in dest to BLACK
+ //
+ ::GpiSetBackColor(GetHPS(), OS2RGB(0, 0, 0));
+ ::GpiSetColor(GetHPS(), OS2RGB(255, 255, 255));
+ rc = ::GpiBitBlt( GetHPS()
+ ,hPSMask
+ ,4L
+ ,aPoint3
+ ,ROP_SRCAND
+ ,BBO_IGNORE
+ );
+ if (rc == GPI_ERROR)
+ {
+ wxLogLastError(wxT("BitBlt"));
+ }
+
+ //
+ // Restore colours to original values
+ //
+ ::GpiSetBackColor(GetHPS(), vPrevBkCol);
+ ::GpiSetColor(GetHPS(), vPrevCol);
+
+ //
+ // OR buffer to dest
+ //
+ rc = ::GpiBitBlt( GetHPS()
+ ,hPSMask
+ ,4L
+ ,aPoint4
+ ,ROP_SRCPAINT
+ ,BBO_IGNORE
+ );
+ if (rc == GPI_ERROR)
+ {
+ bSuccess = FALSE;
+ wxLogLastError(wxT("BitBlt"));
+ }
+
+ //
+ // Tidy up temporary DCs and bitmap
+ //
+ ::GpiSetBitmap(hPSMask, NULLHANDLE);
+ ::GpiSetBitmap(hPSBuffer, NULLHANDLE);
+ ::GpiDestroyPS(hPSMask);
+ ::GpiDestroyPS(hPSBuffer);
+ ::DevCloseDC(hDCMask);
+ ::DevCloseDC(hDCBuffer);
+ ::GpiDeleteBitmap(hBufBitmap);
+ bSuccess = TRUE;
+ }
+ else // no mask, just BitBlt() it
+ {
+ POINTL aPoint[4] = { vXdest, vYdest
+ ,vXdest + vWidth, vYdest + vHeight
+ ,vXsrc, vYsrc
+ ,vXsrc + vWidth, vYsrc + vHeight
+ };
+
+ bSuccess = (::GpiBitBlt( m_hPS
+ ,pSource->GetHPS()
+ ,4L
+ ,aPoint
+ ,lRop
+ ,BBO_IGNORE
+ ) != GPI_ERROR);
+ if (!bSuccess )
+ {
+ wxLogLastError(wxT("BitBlt"));
+ }
+ }
+ vCbnd.lColor = (LONG)vOldTextColor;
+ ::GpiSetAttrs( m_hPS // presentation-space handle
+ ,PRIM_CHAR // Char primitive.
+ ,CBB_COLOR // sets color.
+ ,0
+ ,&vCbnd // buffer for attributes.
+ );
+ ::GpiSetBackColor(m_hPS, (LONG)vOldBackground);
+ return bSuccess;
}
void wxDC::DoGetSize( int* width, int* height ) const
}
#endif
-// ---------------------------------------------------------------------------
-// spline drawing code
-// ---------------------------------------------------------------------------
-
-#if wxUSE_SPLINES
-
-class wxSpline: public wxObject
-{
-public:
- int type;
- wxList *points;
-
- wxSpline(wxList *list);
- void DeletePoints();
-
- // Doesn't delete points
- ~wxSpline();
-};
-
-void wx_draw_open_spline(wxDC *dc, wxSpline *spline);
-
-void wx_quadratic_spline(double a1, double b1, double a2, double b2,
- double a3, double b3, double a4, double b4);
-void wx_clear_stack();
-int wx_spline_pop(double *x1, double *y1, double *x2, double *y2, double *x3,
- double *y3, double *x4, double *y4);
-void wx_spline_push(double x1, double y1, double x2, double y2, double x3, double y3,
- double x4, double y4);
-static bool wx_spline_add_point(double x, double y);
-static void wx_spline_draw_point_array(wxDC *dc);
-wxSpline *wx_make_spline(int x1, int y1, int x2, int y2, int x3, int y3);
-
-void wxDC::DoDrawSpline(wxList *list)
-{
- wxSpline spline(list);
-
- wx_draw_open_spline(this, &spline);
-}
-
-wxList wx_spline_point_list;
-
-void wx_draw_open_spline(wxDC *dc, wxSpline *spline)
-{
- wxPoint *p;
- double cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4;
- double x1, y1, x2, y2;
-
- wxNode *node = spline->points->First();
- p = (wxPoint *)node->Data();
-
- x1 = p->x;
- y1 = p->y;
-
- node = node->Next();
- p = (wxPoint *)node->Data();
-
- x2 = p->x;
- y2 = p->y;
- cx1 = (double)((x1 + x2) / 2);
- cy1 = (double)((y1 + y2) / 2);
- cx2 = (double)((cx1 + x2) / 2);
- cy2 = (double)((cy1 + y2) / 2);
-
- wx_spline_add_point(x1, y1);
-
- while ((node = node->Next()) != NULL)
- {
- p = (wxPoint *)node->Data();
- x1 = x2;
- y1 = y2;
- x2 = p->x;
- y2 = p->y;
- cx4 = (double)(x1 + x2) / 2;
- cy4 = (double)(y1 + y2) / 2;
- cx3 = (double)(x1 + cx4) / 2;
- cy3 = (double)(y1 + cy4) / 2;
-
- wx_quadratic_spline(cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4);
-
- cx1 = cx4;
- cy1 = cy4;
- cx2 = (double)(cx1 + x2) / 2;
- cy2 = (double)(cy1 + y2) / 2;
- }
-
- wx_spline_add_point((double)wx_round(cx1), (double)wx_round(cy1));
- wx_spline_add_point(x2, y2);
-
- wx_spline_draw_point_array(dc);
-
-}
-
-/********************* CURVES FOR SPLINES *****************************
-
- The following spline drawing routine is from
-
- "An Algorithm for High-Speed Curve Generation"
- by George Merrill Chaikin,
- Computer Graphics and Image Processing, 3, Academic Press,
- 1974, 346-349.
-
- and
-
- "On Chaikin's Algorithm" by R. F. Riesenfeld,
- Computer Graphics and Image Processing, 4, Academic Press,
- 1975, 304-310.
-
-***********************************************************************/
-
-#define half(z1, z2) ((z1+z2)/2.0)
-#define THRESHOLD 5
-
-/* iterative version */
-
-void wx_quadratic_spline(double a1, double b1, double a2, double b2, double a3, double b3, double a4,
- double b4)
-{
- register double xmid, ymid;
- double x1, y1, x2, y2, x3, y3, x4, y4;
-
- wx_clear_stack();
- wx_spline_push(a1, b1, a2, b2, a3, b3, a4, b4);
-
- while (wx_spline_pop(&x1, &y1, &x2, &y2, &x3, &y3, &x4, &y4)) {
- xmid = (double)half(x2, x3);
- ymid = (double)half(y2, y3);
- if (fabs(x1 - xmid) < THRESHOLD && fabs(y1 - ymid) < THRESHOLD &&
- fabs(xmid - x4) < THRESHOLD && fabs(ymid - y4) < THRESHOLD) {
- wx_spline_add_point((double)wx_round(x1), (double)wx_round(y1));
- wx_spline_add_point((double)wx_round(xmid), (double)wx_round(ymid));
- } else {
- wx_spline_push(xmid, ymid, (double)half(xmid, x3), (double)half(ymid, y3),
- (double)half(x3, x4), (double)half(y3, y4), x4, y4);
- wx_spline_push(x1, y1, (double)half(x1, x2), (double)half(y1, y2),
- (double)half(x2, xmid), (double)half(y2, ymid), xmid, ymid);
- }
- }
-}
-
-
-/* utilities used by spline drawing routines */
-
-
-typedef struct wx_spline_stack_struct {
- double x1, y1, x2, y2, x3, y3, x4, y4;
-}
-Stack;
-
-#define SPLINE_STACK_DEPTH 20
-static Stack wx_spline_stack[SPLINE_STACK_DEPTH];
-static Stack *wx_stack_top;
-static int wx_stack_count;
-
-void wx_clear_stack()
-{
- wx_stack_top = wx_spline_stack;
- wx_stack_count = 0;
-}
-
-void wx_spline_push(double x1, double y1, double x2, double y2, double x3, double y3, double x4, double y4)
-{
- wx_stack_top->x1 = x1;
- wx_stack_top->y1 = y1;
- wx_stack_top->x2 = x2;
- wx_stack_top->y2 = y2;
- wx_stack_top->x3 = x3;
- wx_stack_top->y3 = y3;
- wx_stack_top->x4 = x4;
- wx_stack_top->y4 = y4;
- wx_stack_top++;
- wx_stack_count++;
-}
-
-int wx_spline_pop(double *x1, double *y1, double *x2, double *y2,
- double *x3, double *y3, double *x4, double *y4)
-{
- if (wx_stack_count == 0)
- return (0);
- wx_stack_top--;
- wx_stack_count--;
- *x1 = wx_stack_top->x1;
- *y1 = wx_stack_top->y1;
- *x2 = wx_stack_top->x2;
- *y2 = wx_stack_top->y2;
- *x3 = wx_stack_top->x3;
- *y3 = wx_stack_top->y3;
- *x4 = wx_stack_top->x4;
- *y4 = wx_stack_top->y4;
- return (1);
-}
-
-static bool wx_spline_add_point(double x, double y)
-{
- wxPoint *point = new wxPoint;
- point->x = (int) x;
- point->y = (int) y;
- wx_spline_point_list.Append((wxObject*)point);
- return TRUE;
-}
-
-static void wx_spline_draw_point_array(wxDC *dc)
-{
- dc->DrawLines(&wx_spline_point_list, 0, 0);
- wxNode *node = wx_spline_point_list.First();
- while (node)
- {
- wxPoint *point = (wxPoint *)node->Data();
- delete point;
- delete node;
- node = wx_spline_point_list.First();
- }
-}
-
-wxSpline::wxSpline(wxList *list)
-{
- points = list;
-}
-
-wxSpline::~wxSpline()
-{
-}
-
-void wxSpline::DeletePoints()
-{
- for(wxNode *node = points->First(); node; node = points->First())
- {
- wxPoint *point = (wxPoint *)node->Data();
- delete point;
- delete node;
- }
- delete points;
-}
-
-
-#endif // wxUSE_SPLINES
-