static const int MM_POINTS = 9;
static const int MM_METRIC = 10;
+// usually this is defined in math.h
+#ifndef M_PI
+ static const double M_PI = 3.14159265358979323846;
+#endif // M_PI
+
+// ---------------------------------------------------------------------------
+// private functions
+// ---------------------------------------------------------------------------
+
+// convert degrees to radians
+static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
+
+int SetTextColor(
+ HPS hPS
+, int nForegroundColour
+)
+{
+ CHARBUNDLE vCbnd;
+
+ vCbnd.lColor = nForegroundColour;
+ ::GpiSetAttrs( hPS // presentation-space handle
+ ,PRIM_CHAR // Char primitive.
+ ,CBB_COLOR // sets color.
+ ,0 //
+ ,&vCbnd // buffer for attributes.
+ );
+ return 0;
+}
+
+int QueryTextBkColor(
+ HPS hPS
+)
+{
+ CHARBUNDLE vCbnd;
+
+ ::GpiQueryAttrs( hPS // presentation-space handle
+ ,PRIM_CHAR // Char primitive.
+ ,CBB_BACK_COLOR // Background color.
+ ,&vCbnd // buffer for attributes.
+ );
+ return vCbnd.lBackColor;
+}
+
+
+int SetTextBkColor(
+ HPS hPS
+, int nBackgroundColour
+)
+{
+ CHARBUNDLE vCbnd;
+ int rc;
+
+ rc = QueryTextBkColor(hPS);
+
+ vCbnd.lBackColor = nBackgroundColour;
+ ::GpiSetAttrs(hPS, // presentation-space handle
+ PRIM_CHAR, // Char primitive.
+ CBB_BACK_COLOR, // sets color.
+ 0,
+ &vCbnd // buffer for attributes.
+ );
+ return rc;
+}
+
+int SetBkMode(
+ HPS hPS
+, int nBackgroundMode
+)
+{
+ if(nBackgroundMode == wxTRANSPARENT)
+ ::GpiSetBackMix( hPS
+ ,BM_LEAVEALONE
+ );
+ else
+ // the background of the primitive takes over whatever is underneath.
+ ::GpiSetBackMix( hPS
+ ,BM_OVERPAINT
+ );
+ return 0;
+}
+
// ===========================================================================
// implementation
// ===========================================================================
wxDC::wxDC(void)
{
- m_canvas = NULL;
+ m_pCanvas = NULL;
- m_oldBitmap = 0;
- m_oldPen = 0;
- m_oldBrush = 0;
- m_oldFont = 0;
- m_oldPalette = 0;
+ m_hOldBitmap = 0;
+ m_hOldPen = 0;
+ m_hOldBrush = 0;
+ m_hOldFont = 0;
+ m_hOldPalette = 0;
- m_bOwnsDC = FALSE;
- m_hDC = 0;
- m_hDCCount = 0;
-};
+ m_bOwnsDC = FALSE;
+ m_hDC = 0;
+ m_hOldPS = NULL;
+ m_hPS = NULL;
+ 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_oldBitmap)
+ if (m_hOldBitmap)
{
-// ::SelectObject((HDC) dc, (HBITMAP) m_oldBitmap);
- if (m_selectedBitmap.Ok())
+ ::GpiSetBitmap(hPS, (HBITMAP) m_hOldBitmap);
+ if (m_vSelectedBitmap.Ok())
{
- m_selectedBitmap.SetSelectedInto(NULL);
+ m_vSelectedBitmap.SetSelectedInto(NULL);
}
}
- m_oldBitmap = 0;
- if (m_oldPen)
- {
-// ::SelectObject((HDC) dc, (HPEN) m_oldPen);
- }
- m_oldPen = 0;
- if (m_oldBrush)
- {
-// ::SelectObject((HDC) dc, (HBRUSH) m_oldBrush);
- }
- m_oldBrush = 0;
- if (m_oldFont)
- {
-// ::SelectObject((HDC) dc, (HFONT) m_oldFont);
- }
- m_oldFont = 0;
- if (m_oldPalette)
- {
-// ::SelectPalette((HDC) dc, (HPALETTE) m_oldPalette, TRUE);
- }
- m_oldPalette = 0;
+ m_hOldBitmap = 0;
+ //
+ // OS/2 has no other native GDI objects to set in a PS/DC like windows
+ //
+ m_hOldPen = 0;
+ m_hOldBrush = 0;
+ m_hOldFont = 0;
+ m_hOldPalette = 0;
}
- m_brush = wxNullBrush;
- m_pen = wxNullPen;
- m_palette = wxNullPalette;
- m_font = wxNullFont;
+ m_brush = wxNullBrush;
+ m_pen = wxNullPen;
+ m_palette = wxNullPalette;
+ m_font = wxNullFont;
m_backgroundBrush = wxNullBrush;
- m_selectedBitmap = wxNullBitmap;
-}
+ m_vSelectedBitmap = wxNullBitmap;
+} // end of wxDC::SelectOldObjects
// ---------------------------------------------------------------------------
// clipping
// ---------------------------------------------------------------------------
-void wxDC::DoSetClippingRegionAsRegion(const wxRegion& region)
-{
- // TODO
+#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
-}
+void wxDC::DoSetClippingRegion(
+ wxCoord x
+, wxCoord y
+, wxCoord width
+, wxCoord height
+)
+{
+ RECTL vRect;
+
+ 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
+)
+{
+ 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::DoClipping(WXHDC dc)
+void wxDC::DestroyClippingRegion(void)
{
- if (m_clipping && dc)
+ if (m_clipping && m_hPS)
{
-// TODO:
-// IntersectClipRect((HDC) dc, XLOG2DEV(m_clipX1), YLOG2DEV(m_clipY1),
-// XLOG2DEV(m_clipX2), YLOG2DEV(m_clipY2));
- }
-}
+ HRGN hRgnOld;
+ RECTL vRect;
-void wxDC::DestroyClippingRegion(void)
-{
- // TODO:
-};
+ // 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( wxCoord x
- ,wxCoord y
- ,const wxColour& col
- ,int style
- )
-{
- // TODO
+void wxDC::DoFloodFill(
+ wxCoord vX
+, wxCoord vY
+, const wxColour& rCol
+, int nStyle
+)
+{
+ POINTL vPtlPos;
+ LONG lColor;
+ LONG lOptions;
+
+ vPtlPos.x = vX; // Loads x-coordinate
+ vPtlPos.y = vY; // Loads y-coordinate
+ ::GpiMove(m_hPS, &vPtlPos); // Sets current position
+ lColor = rCol.GetPixel();
+ lOptions = FF_BOUNDARY;
+ if(wxFLOOD_SURFACE == nStyle)
+ lOptions = FF_SURFACE;
+
+ ::GpiFloodFill(m_hPS, lOptions, lColor);
}
-bool wxDC::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const
-{
- // TODO
- return(TRUE);
+bool wxDC::DoGetPixel(
+ wxCoord vX
+, wxCoord vY
+, wxColour* pCol
+) const
+{
+ POINTL vPoint;
+ LONG lColor;
+
+ vPoint.x = vX;
+ vPoint.y = vY;
+ lColor = ::GpiSetPel(m_hPS, &vPoint);
+ pCol->Set((unsigned long)lColor);
+ if(lColor>= 0)
+ return(TRUE);
+ else
+ return(FALSE);
}
-void wxDC::DoCrossHair(wxCoord x, wxCoord y)
-{
- // TODO
-}
+void wxDC::DoCrossHair(
+ wxCoord vX
+, wxCoord vY
+)
+{
+ 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
+, wxCoord vY1
+, wxCoord vX2
+, wxCoord vY2
+)
+{
+ POINTL vPoint[2];
+
+ vPoint[0].x = vX1;
+ vPoint[0].y = m_vRclPaint.yTop - vY1;
+ vPoint[1].x = vX2;
+ 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)
+// and ending at (x2, y2). The current pen is used for the outline and the
+// current brush for filling the shape. The arc is drawn in an anticlockwise
+// direction from the start point to the end point.
+//////////////////////////////////////////////////////////////////////////////
+void wxDC::DoDrawArc(
+ wxCoord vX1
+, wxCoord vY1
+, wxCoord vX2
+, wxCoord vY2
+, wxCoord vXc
+, wxCoord vYc
+)
+{
+ POINTL vPtlPos;
+ POINTL vPtlArc[2]; // Structure for current position
+ int nDx;
+ int nDy;
+ double dRadius;
+ double dAngl1;
+ double dAngl2;
+ double dAnglmid;
+ wxCoord vXm;
+ wxCoord vYm;
+ ARCPARAMS vArcp; // Structure for arc parameters
+
+ if((vX1 == vXc && vY1 == vXc) || (vX2 == vXc && vY2 == vXc))
+ return; // Draw point ??
+ dRadius = 0.5 * ( hypot( (double)(vY1 - vYc)
+ ,(double)(vX1 - vXc)
+ ) +
+ hypot( (double)(vY2 - vYc)
+ ,(double)(vX2 - vXc)
+ )
+ );
+
+ dAngl1 = atan2( (double)(vY1 - vYc)
+ ,(double)(vX1 - vXc)
+ );
+ dAngl2 = atan2( (double)(vY2 - vYc)
+ ,(double)(vX2 - vXc)
+ );
+ if(dAngl2 < dAngl1)
+ dAngl2 += M_PI * 2;
+
+ //
+ // GpiPointArc can't draw full arc
+ //
+ if(dAngl2 == dAngl1 || (vX1 == vX2 && vY1 == vY2) )
+ {
+ //
+ // Medium point
+ //
+ dAnglmid = (dAngl1 + dAngl2)/2. + M_PI;
+ vXm = vXc + dRadius * cos(dAnglmid);
+ vYm = vYc + dRadius * sin(dAnglmid);
+ DoDrawArc( vX1, vY1
+ ,vXm, vYm
+ ,vXc, vYc
+ );
+ DoDrawArc( vXm, vYm
+ ,vX2, vY2
+ ,vXc, vYc
+ );
+ return;
+ }
-void wxDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
-{
- // TODO
-}
+ //
+ // Medium point
+ //
+ dAnglmid = (dAngl1 + dAngl2)/2.;
+ vXm = vXc + dRadius * cos(dAnglmid);
+ vYm = vYc + dRadius * sin(dAnglmid);
+
+ //
+ // Ellipse main axis (r,q), (p,s) with center at (0,0) */
+ //
+ vArcp.lR = 0;
+ vArcp.lQ = 1;
+ vArcp.lP = 1;
+ vArcp.lS = 0;
+ ::GpiSetArcParams(m_hPS, &vArcp); // Sets parameters to default
+
+ 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[1].x = vX2;
+ vPtlArc[1].y = vY2;
+ ::GpiPointArc(m_hPS, vPtlArc); // Draws the arc
+} // end of wxDC::DoDrawArc
+
+void wxDC::DoDrawCheckMark(
+ wxCoord vX1
+, wxCoord vY1
+, wxCoord vWidth
+, wxCoord vHeight
+)
+{
+ POINTL vPoint[2];
+
+ vPoint[0].x = vX1;
+ vPoint[0].y = vY1;
+ vPoint[1].x = vX1 + vWidth;
+ vPoint[1].y = vY1 + vHeight;
+
+ ::GpiMove(m_hPS, &vPoint[0]);
+ ::GpiBox( m_hPS // handle to a presentation space
+ ,DRO_OUTLINE // draw the box outline ? or ?
+ ,&vPoint[1] // address of the corner
+ ,0L // horizontal corner radius
+ ,0L // vertical corner radius
+ );
+ if(vWidth > 4 && vHeight > 4)
+ {
+ int nTmp;
+
+ vPoint[0].x += 2; vPoint[0].y += 2;
+ vPoint[1].x -= 2; vPoint[1].y -= 2;
+ ::GpiMove(m_hPS, &vPoint[0]);
+ ::GpiLine(m_hPS, &vPoint[1]);
+ nTmp = vPoint[0].x;
+ vPoint[0].x = vPoint[1].x;
+ vPoint[1].x = nTmp;
+ ::GpiMove(m_hPS, &vPoint[0]);
+ ::GpiLine(m_hPS, &vPoint[1]);
+ }
+} // end of wxDC::DoDrawCheckMark
+
+void wxDC::DoDrawPoint(
+ wxCoord vX
+, wxCoord vY
+)
+{
+ POINTL vPoint;
+
+ vPoint.x = vX;
+ vPoint.y = m_vRclPaint.yTop - vY;
+ ::GpiSetPel(m_hPS, &vPoint);
+} // end of wxDC::DoDrawPoint
+
+void wxDC::DoDrawPolygon(
+ int n
+, wxPoint vPoints[]
+, wxCoord vXoffset
+, wxCoord vYoffset
+, int nFillStyle
+)
+{
+ ULONG ulCount = 1; // Number of polygons.
+ POLYGON vPlgn; // polygon.
+ ULONG flOptions = 0L; // Drawing options.
+
+//////////////////////////////////////////////////////////////////////////////
+// This contains fields of option bits... to draw boundary lines as well as
+// the area interior.
+//
+// Drawing boundary lines:
+// POLYGON_NOBOUNDARY Does not draw boundary lines.
+// POLYGON_BOUNDARY Draws boundary lines (the default).
+//
+// Construction of the area interior:
+// POLYGON_ALTERNATE Constructs interior in alternate mode
+// (the default).
+// POLYGON_WINDING Constructs interior in winding mode.
+//////////////////////////////////////////////////////////////////////////////
+
+ ULONG flModel = 0L; // Drawing model.
+
+//////////////////////////////////////////////////////////////////////////////
+// Drawing model.
+// POLYGON_INCL Fill is inclusive of bottom right (the default).
+// POLYGON_EXCL Fill is exclusive of bottom right.
+// This is provided to aid migration from other graphics models.
+//////////////////////////////////////////////////////////////////////////////
+
+ LONG lHits = 0L; // Correlation/error indicator.
+ POINTL vPoint;
+ int i;
+ int nIsTRANSPARENT = 0;
+ LONG lBorderColor = 0L;
+ LONG lColor = 0L;
+
+ lBorderColor = m_pen.GetColour().GetPixel();
+ lColor = m_brush.GetColour().GetPixel();
+ if(m_brush.GetStyle() == wxTRANSPARENT)
+ nIsTRANSPARENT = 1;
+
+ vPlgn.ulPoints = n;
+ vPlgn.aPointl = (POINTL*) calloc( n + 1
+ ,sizeof(POINTL)
+ ); // well, new will call malloc
+
+ for(i = 0; i < n; i++)
+ {
+ vPlgn.aPointl[i].x = vPoints[i].x; // +xoffset;
+ vPlgn.aPointl[i].y = vPoints[i].y; // +yoffset;
+ }
+ flModel = POLYGON_BOUNDARY;
+ if(nFillStyle == wxWINDING_RULE)
+ flModel |= POLYGON_WINDING;
+ else
+ flModel |= POLYGON_ALTERNATE;
-void wxDC::DoDrawArc( wxCoord x1, wxCoord y1
- ,wxCoord x2, wxCoord y2
- ,wxCoord xc, wxCoord yc
- )
-{
- // TODO
-}
+ vPoint.x = vXoffset;
+ vPoint.y = vYoffset;
-void wxDC::DoDrawPoint(wxCoord x, wxCoord y)
-{
- // TODO
-}
+ ::GpiSetColor(m_hPS, lBorderColor);
+ ::GpiMove(m_hPS, &vPoint);
+ lHits = ::GpiPolygons(m_hPS, ulCount, &vPlgn, flOptions, flModel);
+ free(vPlgn.aPointl);
+} // end of wxDC::DoDrawPolygon
-void wxDC::DoDrawPolygon(int n, wxPoint points[]
- ,wxCoord xoffset, wxCoord yoffset
- ,int fillStyle
- )
+void wxDC::DoDrawLines(
+ int n
+, wxPoint vPoints[]
+, wxCoord vXoffset
+, wxCoord vYoffset
+)
{
- // TODO
-}
+ int i;
+ POINTL vPoint;
-void wxDC::DoDrawLines( int n, wxPoint points[]
- ,wxCoord xoffset, wxCoord yoffset
- )
-{
- // TODO
-}
+ vPoint.x = vPoints[0].x + vXoffset;
+ vPoint.y = vPoints[0].y + vYoffset;
+ ::GpiMove(m_hPS, &vPoint);
-void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
-{
- // TODO
-}
+ LONG lBorderColor = m_pen.GetColour().GetPixel();
-void wxDC::DoDrawRoundedRectangle( wxCoord x, wxCoord y
- ,wxCoord width, wxCoord height
- ,double radius
- )
-{
- // TODO
+ ::GpiSetColor(m_hPS, lBorderColor);
+ for(i = 1; i < n; i++)
+ {
+ vPoint.x = vPoints[0].x + vXoffset;
+ vPoint.y = vPoints[0].y + vYoffset;
+ ::GpiLine(m_hPS, &vPoint);
+ }
+} // end of wxDC::DoDrawLines
+
+void wxDC::DoDrawRectangle(
+ wxCoord vX
+, wxCoord vY
+, wxCoord vWidth
+, wxCoord vHeight
+)
+{
+ POINTL vPoint[2];
+ LONG lControl;
+ LONG lColor;
+ LONG lBorderColor;
+ int nIsTRANSPARENT = 0;
+
+ vPoint[0].x = vX;
+ vPoint[0].y = m_vRclPaint.yTop - (vY + vHeight);
+ vPoint[1].x = vX + vWidth;
+ 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)
+ nIsTRANSPARENT = 1;
+ if(lColor == lBorderColor || nIsTRANSPARENT)
+ {
+ lControl = DRO_OUTLINEFILL; //DRO_FILL;
+ if(m_brush.GetStyle() == wxTRANSPARENT)
+ lControl = DRO_OUTLINE;
+
+ ::GpiSetColor(m_hPS, lColor);
+ ::GpiBox( m_hPS // handle to a presentation space
+ ,lControl // draw the box outline ? or ?
+ ,&vPoint[1] // address of the corner
+ ,0L // horizontal corner radius
+ ,0L // vertical corner radius
+ );
+ }
+ else
+ {
+ lControl = DRO_OUTLINE;
+ ::GpiSetColor( m_hPS
+ ,lBorderColor
+ );
+ ::GpiBox( m_hPS
+ ,lControl
+ ,&vPoint[1]
+ ,0L
+ ,0L
+ );
+ lControl = DRO_FILL;
+ ::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
+ ,0L
+ );
+ }
+} // end of wxDC::DoDrawRectangle
+
+void wxDC::DoDrawRoundedRectangle(
+ wxCoord vX
+, wxCoord vY
+, wxCoord vWidth
+, wxCoord vHeight
+, double dRadius
+)
+{
+ POINTL vPoint[2];
+ LONG lControl;
+
+ vPoint[0].x = vX;
+ vPoint[0].y = YLOG2DEV(vY) - vHeight;
+ vPoint[1].x = vX + vWidth;
+ vPoint[1].y = vY;
+ ::GpiMove(m_hPS, &vPoint[0]);
+
+ lControl = DRO_OUTLINEFILL; //DRO_FILL;
+ if (m_brush.GetStyle() == wxTRANSPARENT)
+ lControl = DRO_OUTLINE;
+ ::GpiBox( m_hPS // handle to a presentation space
+ ,DRO_OUTLINE // draw the box outline ? or ?
+ ,&vPoint[1] // address of the corner
+ ,(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(
+ wxCoord vX
+, wxCoord vY
+, wxCoord vWidth
+, wxCoord vHeight
+)
+{
+ POINTL vPtlPos; // Structure for current position
+ FIXED vFxMult; // Multiplier for ellipse
+ ARCPARAMS vArcp; // Structure for arc parameters
+
+ vArcp.lR = 0;
+ vArcp.lQ = vHeight/2;
+ vArcp.lP = vWidth/2;
+ vArcp.lS = 0;
+ ::GpiSetArcParams( m_hPS
+ ,&vArcp
+ ); // Sets parameters to default
+ vPtlPos.x = vX + vWidth/2; // Loads x-coordinate
+ vPtlPos.y = vY + vHeight/2; // Loads y-coordinate
+ ::GpiMove( m_hPS
+ ,&vPtlPos
+ ); // Sets current position
+ vFxMult = MAKEFIXED(1, 0); /* Sets multiplier */
+
+ //
+ // DRO_FILL, DRO_OTLINEFILL - where to get
+ //
+ ::GpiFullArc( m_hPS
+ ,DRO_OUTLINE
+ ,vFxMult
+ ); // Draws full arc with center at current position
+} // end of wxDC::DoDrawEllipse
+
+void wxDC::DoDrawEllipticArc(
+ wxCoord vX
+, wxCoord vY
+, wxCoord vWidth
+, wxCoord vHeight
+, double dSa
+, double dEa
+)
+{
+ POINTL vPtlPos; // Structure for current position
+ FIXED vFxMult; // Multiplier for ellipse
+ ARCPARAMS vArcp; // Structure for arc parameters
+ FIXED vFSa;
+ FIXED vFSweepa; // Start angle, sweep angle
+ double dIntPart;
+ double dFractPart;
+ double dRadius;
+
+ dFractPart = modf(dSa,&dIntPart);
+ vFSa = MAKEFIXED((int)dIntPart, (int)(dFractPart * 0xffff) );
+ dFractPart = modf(dEa - dSa, &dIntPart);
+ vFSweepa = MAKEFIXED((int)dIntPart, (int)(dFractPart * 0xffff) );
+
+ //
+ // Ellipse main axis (r,q), (p,s) with center at (0,0)
+ //
+ vArcp.lR = 0;
+ vArcp.lQ = vHeight/2;
+ vArcp.lP = vWidth/2;
+ vArcp.lS = 0;
+ ::GpiSetArcParams(m_hPS, &vArcp); // Sets parameters to default
+ vPtlPos.x = vX + vWidth/2 * (1. + cos(DegToRad(dSa))); // Loads x-coordinate
+ vPtlPos.y = vY + vHeight/2 * (1. + sin(DegToRad(dSa))); // Loads y-coordinate
+ ::GpiMove(m_hPS, &vPtlPos); // Sets current position
+
+ //
+ // May be not to the center ?
+ //
+ vPtlPos.x = vX + vWidth/2 ; // Loads x-coordinate
+ vPtlPos.y = vY + vHeight/2; // Loads y-coordinate
+ vFxMult = MAKEFIXED(1, 0); // Sets multiplier
+
+ //
+ // DRO_FILL, DRO_OTLINEFILL - where to get
+ //
+ ::GpiPartialArc( m_hPS
+ ,&vPtlPos
+ ,vFxMult
+ ,vFSa
+ ,vFSweepa
+ );
+} // end of wxDC::DoDrawEllipticArc
+
+void wxDC::DoDrawIcon(
+ const wxIcon& rIcon
+, wxCoord vX
+, wxCoord vY
+)
+{
+ 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& rBmp
+, wxCoord vX
+, wxCoord vY
+, bool bUseMask
+)
+{
+ 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
+, wxCoord vX
+, wxCoord vY
+)
+{
+ DrawAnyText( rsText
+ ,vX
+ ,vY
+ );
}
-void wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
+void wxDC::DrawAnyText(
+ const wxString& rsText
+, wxCoord vX
+, wxCoord vY
+)
{
- // TODO
-}
+ int nOldBackground = 0;
+ POINTL vPtlStart;
+ LONG lHits;
-void wxDC::DoDrawEllipticArc( wxCoord x
- ,wxCoord y
- ,wxCoord w
- ,wxCoord h
- ,double sa
- ,double ea
- )
-{
- // TODO
-}
+ //
+ // prepare for drawing the text
+ //
-void wxDC::DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
-{
- // TODO
-}
+ //
+ // Set text color attributes
+ //
+ if (m_textForegroundColour.Ok())
+ {
+ SetTextColor( m_hPS
+ ,(int)m_textForegroundColour.GetPixel()
+ );
+ }
-void wxDC::DoDrawBitmap( const wxBitmap &bmp
- ,wxCoord x, wxCoord y
- ,bool useMask
- )
-{
- // TODO
-}
+ if (m_textBackgroundColour.Ok())
+ {
+ nOldBackground = SetTextBkColor( m_hPS
+ ,(int)m_textBackgroundColour.GetPixel()
+ );
+ }
+ SetBkMode( m_hPS
+ ,m_backgroundMode
+ );
+ vPtlStart.x = vX;
+ vPtlStart.y = vY;
+
+ lHits = ::GpiCharStringAt( m_hPS
+ ,&vPtlStart
+ ,rsText.length()
+ ,(PCH)rsText.c_str()
+ );
+ if (lHits != GPI_OK)
+ {
+ wxLogLastError(wxT("TextOut"));
+ }
-void wxDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y)
-{
- // TODO
+ //
+ // Restore the old parameters (text foreground colour may be left because
+ // it never is set to anything else, but background should remain
+ // transparent even if we just drew an opaque string)
+ //
+ if (m_textBackgroundColour.Ok())
+ SetTextBkColor( m_hPS
+ ,nOldBackground
+ );
+ SetBkMode( m_hPS
+ ,wxTRANSPARENT
+ );
}
-void wxDC::DoDrawRotatedText(const wxString& text,
- wxCoord x, wxCoord y,
- double angle)
+void wxDC::DoDrawRotatedText(
+ const wxString& rsText
+, wxCoord vX
+, wxCoord vY
+, double dAngle
+)
{
+ if (dAngle == 0.0)
+ {
+ DoDrawText( rsText
+ ,vX
+ ,vY
+ );
+ }
+
// TODO:
/*
if ( angle == 0.0 )
// TODO
}
-void wxDC::SetFont(const wxFont& font)
+void wxDC::SetFont(
+ const wxFont& rFont
+)
{
- // TODO
-}
+ //
+ // Set the old object temporarily, in case the assignment deletes an object
+ // that's not yet selected out.
+ //
+ if (m_hOldFont)
+ {
+ m_hOldFont = 0;
+ }
+ m_font = rFont;
+ if (!rFont.Ok())
+ {
+ m_hOldFont = 0;
+ }
+
+ m_font.SetPS(m_hPS); // this will realize the font
+
+ if (m_font.Ok())
+ {
+ 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& pen)
+void wxDC::SetPen(
+ const wxPen& rPen
+)
{
- // TODO
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ if (m_pen == rPen)
+ return;
+ m_pen = rPen;
+ if (!m_pen.Ok())
+ return;
+
+ if (m_hOldPen)
+ m_hOldPen = 0L;
+ m_pen = rPen;
+
+ if (!m_pen.Ok())
+ {
+ if (m_hOldPen)
+ {
+ m_pen.SetPS((HPS)m_hOldPen);
+ }
+ m_hOldPen = 0L;
+ }
+
+ if (m_pen.Ok())
+ {
+ if (m_pen.GetResourceHandle())
+ {
+ m_pen.SetPS(m_hPS);
+ if (!m_hOldPen)
+ m_hOldPen = m_pen.GetPS();
+ }
+ }
}
-void wxDC::SetBrush(const wxBrush& brush)
+
+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)
{
// TODO
}
-void wxDC::SetBackgroundMode(int mode)
+void wxDC::SetBackgroundMode(
+ int nMode
+)
{
- // TODO
+ m_backgroundMode = nMode;
}
void wxDC::SetLogicalFunction(int function)
wxCoord wxDC::GetCharHeight() const
{
- // TODO
- return(1);
+ FONTMETRICS vFM; // metrics structure
+
+ ::GpiQueryFontMetrics( m_hPS
+ ,sizeof(FONTMETRICS)
+ ,&vFM
+ );
+ return YDEV2LOGREL(vFM.lXHeight);
}
wxCoord wxDC::GetCharWidth() const
{
- // TODO
- return(1);
+ FONTMETRICS vFM; // metrics structure
+
+ ::GpiQueryFontMetrics( m_hPS
+ ,sizeof(FONTMETRICS)
+ ,&vFM
+ );
+ return XDEV2LOGREL(vFM.lAveCharWidth);
}
-void wxDC::DoGetTextExtent( const wxString& string
- ,wxCoord* x
- ,wxCoord* y
- ,wxCoord* decent
- ,wxCoord* externalLeading
- ,wxFont* theFont
- ) const
-{
- // TODO:
+void wxDC::DoGetTextExtent(
+ const wxString& rsString
+, wxCoord* pvX
+, wxCoord* pvY
+, wxCoord* pvDescent
+, wxCoord* pvExternalLeading
+, wxFont* pTheFont
+) const
+{
+ POINTL avPoint[TXTBOX_COUNT];
+ POINTL vPtMin;
+ POINTL vPtMax;
+ int i;
+ int l;
+ FONTMETRICS vFM; // metrics structure
+ BOOL bRc;
+ char* pStr;
+ 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();
+ pStr = (PCH) rsString.c_str();
+
+ //
+ // In world coordinates.
+ //
+ bRc = ::GpiQueryTextBox( m_hPS
+ ,l
+ ,pStr
+ ,TXTBOX_COUNT // return maximum information
+ ,avPoint // array of coordinates points
+ );
+ 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;
+ vPtMax.x = avPoint[0].x;
+ vPtMin.y = avPoint[0].y;
+ vPtMax.y = avPoint[0].y;
+ for (i = 1; i < 4; i++)
+ {
+ if(vPtMin.x > avPoint[i].x) vPtMin.x = avPoint[i].x;
+ if(vPtMin.y > avPoint[i].y) vPtMin.y = avPoint[i].y;
+ if(vPtMax.x < avPoint[i].x) vPtMax.x = avPoint[i].x;
+ if(vPtMax.y < avPoint[i].y) vPtMax.y = avPoint[i].y;
+ }
+ ::GpiQueryFontMetrics( m_hPS
+ ,sizeof(FONTMETRICS)
+ ,&vFM
+ );
+
+ if (pvX)
+ *pvX = (wxCoord)(vPtMax.x - vPtMin.x + 1);
+ if (pvY)
+ *pvY = (wxCoord)(vPtMax.y - vPtMin.y + 1);
+ if (pvDescent)
+ *pvDescent = vFM.lMaxDescender;
+ if (pvExternalLeading)
+ *pvExternalLeading = vFM.lExternalLeading;
}
void wxDC::SetMapMode( int mode )
// TODO:
};
-void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
-{
- // TODO:
+void wxDC::SetDeviceOrigin(
+ wxCoord x
+, wxCoord y
+)
+{
+ 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
+ );
};
// ---------------------------------------------------------------------------
wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
{
- wxCoord new_x = x - m_deviceOriginX;
- if (new_x > 0)
- return (wxCoord)((double)(new_x) / m_scaleX + 0.5) * m_signX + m_logicalOriginX;
- else
- return (wxCoord)((double)(new_x) / m_scaleX - 0.5) * m_signX + m_logicalOriginX;
-};
+ return (wxCoord) (((x) - m_deviceOriginX)/(m_logicalScaleX*m_userScaleX*m_signX*m_scaleX) - m_logicalOriginX);
+}
wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
{
- if (x > 0)
- return (wxCoord)((double)(x) / m_scaleX + 0.5);
- else
- return (wxCoord)((double)(x) / m_scaleX - 0.5);
-};
+ return (wxCoord) ((x)/(m_logicalScaleX*m_userScaleX*m_signX*m_scaleX));
+}
wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
{
- wxCoord new_y = y - m_deviceOriginY;
- if (new_y > 0)
- return (wxCoord)((double)(new_y) / m_scaleY + 0.5) * m_signY + m_logicalOriginY;
- else
- return (wxCoord)((double)(new_y) / m_scaleY - 0.5) * m_signY + m_logicalOriginY;
-};
+ return (wxCoord) (((y) - m_deviceOriginY)/(m_logicalScaleY*m_userScaleY*m_signY*m_scaleY) - m_logicalOriginY);
+}
wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
{
- if (y > 0)
- return (wxCoord)((double)(y) / m_scaleY + 0.5);
- else
- return (wxCoord)((double)(y) / m_scaleY - 0.5);
-};
+ return (wxCoord) ((y)/(m_logicalScaleY*m_userScaleY*m_signY*m_scaleY));
+}
wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
{
- wxCoord new_x = x - m_logicalOriginX;
- if (new_x > 0)
- return (wxCoord)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX;
- else
- return (wxCoord)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX;
-};
+ return (wxCoord) ((x - m_logicalOriginX)*m_logicalScaleX*m_userScaleX*m_signX*m_scaleX + m_deviceOriginX);
+}
wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
{
- if (x > 0)
- return (wxCoord)((double)(x) * m_scaleX + 0.5);
- else
- return (wxCoord)((double)(x) * m_scaleX - 0.5);
-};
+ return (wxCoord) (x*m_logicalScaleX*m_userScaleX*m_signX*m_scaleX);
+}
wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
{
- wxCoord new_y = y - m_logicalOriginY;
- if (new_y > 0)
- return (wxCoord)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY;
- else
- return (wxCoord)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY;
-};
+ return (wxCoord) ((y - m_logicalOriginY)*m_logicalScaleY*m_userScaleY*m_signY*m_scaleY + m_deviceOriginY);
+}
wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
{
- if (y > 0)
- return (wxCoord)((double)(y) * m_scaleY + 0.5);
- else
- return (wxCoord)((double)(y) * m_scaleY - 0.5);
-};
+ return (wxCoord) (y*m_logicalScaleY*m_userScaleY*m_signY*m_scaleY);
+}
// ---------------------------------------------------------------------------
// bit blit
// ---------------------------------------------------------------------------
-bool wxDC::DoBlit( wxCoord xdest
- ,wxCoord ydest
- ,wxCoord width
- ,wxCoord height
- ,wxDC *source
- ,wxCoord xsrc
- ,wxCoord ysrc
- ,int rop
- ,bool useMask
- )
-{
- // TODO
- return(TRUE);
+bool wxDC::DoBlit(
+ wxCoord vXdest
+, wxCoord vYdest
+, wxCoord vWidth
+, wxCoord vHeight
+, wxDC* pSource
+, wxCoord vXsrc
+, wxCoord vYsrc
+, int nRop
+, bool bUseMask
+)
+{
+ 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
-
projects / wxWidgets.git / blobdiff