X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c8ce6bccc3a92ad6844f72515c152f333436d37e..ce1ecc6d48415cf3b348e42b1e53ae2333d9098a:/src/os2/dc.cpp diff --git a/src/os2/dc.cpp b/src/os2/dc.cpp index 8983710b32..deb5403652 100644 --- a/src/os2/dc.cpp +++ b/src/os2/dc.cpp @@ -31,9 +31,7 @@ #include "wx/os2/private.h" -#if !USE_SHARED_LIBRARY IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject) -#endif // --------------------------------------------------------------------------- // constants @@ -44,6 +42,87 @@ static const int VIEWPORT_EXTENT = 1000; 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 // =========================================================================== @@ -54,23 +133,26 @@ static const int MM_METRIC = 10; wxDC::wxDC(void) { - m_canvas = NULL; - - m_oldBitmap = 0; - m_oldPen = 0; - m_oldBrush = 0; - m_oldFont = 0; - m_oldPalette = 0; - - m_bOwnsDC = FALSE; - m_hDC = 0; - m_hDCCount = 0; -}; + m_pCanvas = NULL; + + m_hOldBitmap = 0; + m_hOldPen = 0; + m_hOldBrush = 0; + m_hOldFont = 0; + m_hOldPalette = 0; + + m_bOwnsDC = FALSE; + m_hDC = 0; + m_nDCCount = 0; + m_hOldPS = NULL; + m_hPS = NULL; + m_bIsPaintTime = FALSE; // True at Paint Time + m_brush.GetColour().Set("WHITE"); +} wxDC::~wxDC(void) { - // TODO: -}; +} // This will select current objects out of the DC, // which is what you have to do before deleting the @@ -79,75 +161,116 @@ void wxDC::SelectOldObjects(WXHDC dc) { if (dc) { - if (m_oldBitmap) + if (m_hOldBitmap) { // ::SelectObject((HDC) dc, (HBITMAP) m_oldBitmap); - if (m_selectedBitmap.Ok()) + if (m_vSelectedBitmap.Ok()) { - m_selectedBitmap.SetSelectedInto(NULL); + m_vSelectedBitmap.SetSelectedInto(NULL); } } - m_oldBitmap = 0; - if (m_oldPen) + m_hOldBitmap = 0; + if (m_hOldPen) { // ::SelectObject((HDC) dc, (HPEN) m_oldPen); } - m_oldPen = 0; - if (m_oldBrush) + m_hOldPen = 0; + if (m_hOldBrush) { // ::SelectObject((HDC) dc, (HBRUSH) m_oldBrush); } - m_oldBrush = 0; - if (m_oldFont) + m_hOldBrush = 0; + if (m_hOldFont) { // ::SelectObject((HDC) dc, (HFONT) m_oldFont); } - m_oldFont = 0; - if (m_oldPalette) + m_hOldFont = 0; + if (m_hOldPalette) { // ::SelectPalette((HDC) dc, (HPALETTE) m_oldPalette, TRUE); } - m_oldPalette = 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; } // --------------------------------------------------------------------------- // 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 @@ -179,22 +302,48 @@ int wxDC::GetDepth() const 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) @@ -202,71 +351,448 @@ void wxDC::DoCrossHair(wxCoord x, wxCoord y) // TODO } -void wxDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2) -{ - // TODO +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]); } -void wxDC::DoDrawArc( wxCoord x1, wxCoord y1 - ,wxCoord x2, wxCoord y2 - ,wxCoord xc, wxCoord yc - ) -{ - // TODO +////////////////////////////////////////////////////////////////////////////// +// 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::DoDrawPoint(wxCoord x, wxCoord y) -{ - // TODO +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::DoDrawPolygon(int n, wxPoint points[] - ,wxCoord xoffset, wxCoord yoffset - ,int fillStyle - ) +void wxDC::DoDrawPoint( + wxCoord vX +, wxCoord vY +) { - // TODO + POINTL vPoint; + + vPoint.x = vX; + vPoint.y = m_vRclPaint.yTop - vY; + ::GpiSetPel(m_hPS, &vPoint); } -void wxDC::DoDrawLines( int n, wxPoint points[] - ,wxCoord xoffset, wxCoord yoffset - ) -{ - // TODO +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::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height) +void wxDC::DoDrawLines( + int n +, wxPoint vPoints[] +, wxCoord vXoffset +, wxCoord vYoffset +) { - // TODO + 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::DoDrawRoundedRectangle( wxCoord x, wxCoord y - ,wxCoord width, wxCoord height - ,double radius - ) -{ - // TODO +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::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height) -{ - // TODO +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 + ); } -void wxDC::DoDrawEllipticArc( wxCoord x - ,wxCoord y - ,wxCoord w - ,wxCoord h - ,double sa - ,double ea - ) -{ - // TODO +// 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 + // TODO: } void wxDC::DoDrawBitmap( const wxBitmap &bmp @@ -277,15 +803,93 @@ void wxDC::DoDrawBitmap( const wxBitmap &bmp // TODO } -void wxDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y) +void wxDC::DoDrawText( + const wxString& rsText +, wxCoord vX +, wxCoord vY +) { - // TODO + 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& 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 ) @@ -347,28 +951,120 @@ void wxDC::SetPalette(const wxPalette& palette) // 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) @@ -432,25 +1128,89 @@ void wxDC::EndPage() 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; + + 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()); + } + + 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 ) @@ -487,9 +1247,25 @@ void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y ) // 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 + ); }; // --------------------------------------------------------------------------- @@ -498,71 +1274,43 @@ void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y ) 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