+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]);
+}
+
+//////////////////////////////////////////////////////////////////////////////
+// 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;
+ }
+
+ //
+ // 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
+}
+
+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]);
+ }
+}
+
+void wxDC::DoDrawPoint(
+ wxCoord vX
+, wxCoord vY
+)
+{
+ POINTL vPoint;
+
+ vPoint.x = vX;
+ vPoint.y = m_vRclPaint.yTop - vY;
+ ::GpiSetPel(m_hPS, &vPoint);
+}
+
+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;
+
+ vPoint.x = vXoffset;
+ vPoint.y = vYoffset;
+
+ ::GpiSetColor(m_hPS, lBorderColor);
+ ::GpiMove(m_hPS, &vPoint);
+ lHits = ::GpiPolygons(m_hPS, ulCount, &vPlgn, flOptions, flModel);
+ free(vPlgn.aPointl);
+}
+
+void wxDC::DoDrawLines(
+ int n
+, wxPoint vPoints[]
+, wxCoord vXoffset
+, wxCoord vYoffset
+)
+{
+ int i;
+ POINTL vPoint;
+
+ vPoint.x = vPoints[0].x + vXoffset;
+ vPoint.y = vPoints[0].y + vYoffset;
+ ::GpiMove(m_hPS, &vPoint);
+
+ LONG lBorderColor = m_pen.GetColour().GetPixel();
+
+ ::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);
+ }
+}
+
+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
+ );
+ }
+}
+
+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
+ );
+}
+
+// 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
+}
+
+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
+ );
+}
+
+void wxDC::DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
+{
+ // TODO:
+}
+
+void wxDC::DoDrawBitmap( const wxBitmap &bmp
+ ,wxCoord x, wxCoord y
+ ,bool useMask
+ )
+{
+ // TODO
+}
+
+void wxDC::DoDrawText(
+ const wxString& rsText
+, wxCoord vX
+, wxCoord vY
+)
+{
+ DrawAnyText( rsText
+ ,vX
+ ,vY
+ );
+}
+
+void wxDC::DrawAnyText(
+ const wxString& rsText
+, wxCoord vX
+, wxCoord vY
+)
+{
+ int nOldBackground = 0;
+ POINTL vPtlStart;
+ LONG lHits;
+
+ //
+ // prepare for drawing the text
+ //
+
+ //
+ // Set text color attributes
+ //
+ if (m_textForegroundColour.Ok())
+ {
+ SetTextColor( m_hPS
+ ,(int)m_textForegroundColour.GetPixel()
+ );
+ }
+
+ 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"));
+ }
+
+ //
+ // 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& rsText
+, wxCoord vX
+, wxCoord vY
+, double dAngle
+)
+{
+ if (dAngle == 0.0)
+ {
+ DoDrawText( rsText
+ ,vX
+ ,vY
+ );
+ }
+
+ // TODO:
+ /*
+ if ( angle == 0.0 )
+ {
+ DoDrawText(text, x, y);
+ }
+ else
+ {
+ LOGFONT lf;
+ wxFillLogFont(&lf, &m_font);
+
+ // GDI wants the angle in tenth of degree
+ long angle10 = (long)(angle * 10);
+ lf.lfEscapement = angle10;
+ lf. lfOrientation = angle10;
+
+ HFONT hfont = ::CreateFontIndirect(&lf);
+ if ( !hfont )
+ {
+ wxLogLastError("CreateFont");
+ }
+ else
+ {
+ HFONT hfontOld = ::SelectObject(GetHdc(), hfont);
+
+ DrawAnyText(text, x, y);
+
+ (void)::SelectObject(GetHdc(), hfontOld);
+ }
+
+ // call the bounding box by adding all four vertices of the rectangle
+ // containing the text to it (simpler and probably not slower than
+ // determining which of them is really topmost/leftmost/...)
+ wxCoord w, h;
+ GetTextExtent(text, &w, &h);
+
+ double rad = DegToRad(angle);
+
+ // "upper left" and "upper right"
+ CalcBoundingBox(x, y);
+ CalcBoundingBox(x + w*cos(rad), y - h*sin(rad));
+ CalcBoundingBox(x + h*sin(rad), y + h*cos(rad));
+
+ // "bottom left" and "bottom right"
+ x += (wxCoord)(h*sin(rad));
+ y += (wxCoord)(h*cos(rad));
+ CalcBoundingBox(x, y);
+ CalcBoundingBox(x + h*sin(rad), y + h*cos(rad));
+ }
+*/
+}
+
+// ---------------------------------------------------------------------------
+// set GDI objects
+// ---------------------------------------------------------------------------
+
+void wxDC::SetPalette(const wxPalette& palette)
projects / wxWidgets.git / blobdiff