X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b8c0528db3989dcfbc32e034f4a3e059021f28e7..79099b80ad442cb93b2f7df716bf3d1dd80b446f:/src/mgl/dc.cpp diff --git a/src/mgl/dc.cpp b/src/mgl/dc.cpp index 203e37aa77..5b4101fd20 100644 --- a/src/mgl/dc.cpp +++ b/src/mgl/dc.cpp @@ -4,7 +4,7 @@ // Author: Vaclav Slavik // Created: 2001/03/09 // RCS-ID: $Id$ -// Copyright: (c) 2001 SciTech Software, Inc. (www.scitechsoft.com) +// Copyright: (c) 2001-2002 SciTech Software, Inc. (www.scitechsoft.com) // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -16,7 +16,7 @@ // headers // --------------------------------------------------------------------------- -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "dc.h" #endif @@ -33,6 +33,7 @@ #endif #include "wx/fontutil.h" +#include "wx/encinfo.h" #include "wx/fontmap.h" #include "wx/mgl/private.h" #include "wx/log.h" @@ -47,6 +48,10 @@ // constants //----------------------------------------------------------------------------- +#ifndef M_PI +#define M_PI 3.14159265358979323846 +#endif + const double mm2inches = 0.0393700787402; const double inches2mm = 25.4; const double mm2twips = 56.6929133859; @@ -63,8 +68,8 @@ const double RAD2DEG = 180.0 / M_PI; const ushort STIPPLE_wxDOT = 0x5555/* - - - - - - - -*/; const ushort STIPPLE_wxLONG_DASH = 0xF0F0/* ---- ----*/; const ushort STIPPLE_wxSHORT_DASH = 0xCCCC/*-- -- -- -- */; -const ushort STIPPLE_wxDOT_DASH = 0x3939/* --- - --- -*/; -const ushort STIPPLE_wxSOLID = 0xFFFF/*----------------*/; +const ushort STIPPLE_wxDOT_DASH = 0x3939/* --- - --- -*/; +const ushort STIPPLE_wxSOLID = 0xFFFF/*----------------*/; #define PATTERN_ROW(b7,b6,b5,b4,b3,b2,b1,b0) \ ((b7 << 7) | (b6 << 6) | (b5 << 5) | (b4 << 4) | \ @@ -164,14 +169,14 @@ wxDC::wxDC() m_penSelected = m_brushSelected = FALSE; m_downloadedPatterns[0] = m_downloadedPatterns[1] = FALSE; - + m_mglFont = NULL; } wxDC::~wxDC() { - if (m_OwnsMGLDC) + if (m_OwnsMGLDC) delete m_MGLDC; } @@ -181,11 +186,11 @@ void wxDC::SetMGLDC(MGLDevCtx *mgldc, bool OwnsMGLDC) delete m_MGLDC; m_MGLDC = mgldc; m_OwnsMGLDC = OwnsMGLDC; - m_ok = TRUE; + m_ok = TRUE; if ( !m_globalClippingRegion.IsNull() ) SetClippingRegion(m_globalClippingRegion); - + InitializeMGLDC(); } @@ -239,25 +244,26 @@ void wxDC::DoSetClippingRegionAsRegion(const wxRegion& region) DestroyClippingRegion(); return; } - + wxRegion rg(region); - + // check if the DC is scaled or moved, and if yes, then // convert rg to device coordinates: if ( m_deviceOriginX != 0 || m_deviceOriginY != 0 || + m_logicalOriginX != 0 || m_logicalOriginY != 0 || XLOG2DEVREL(500) != 500 || YLOG2DEVREL(500) != 500 ) { region_t *mrg = rg.GetMGLRegion().rgnPointer(); - span_t *s; - segment_t *p; - for (s = mrg->spans; s; s = s->next) + span_t *s; + segment_t *p; + for (s = mrg->spans; s; s = s->next) { - s->y = YLOG2DEV(s->y); - for (p = s->seg; p; p = p->next) - p->x = XLOG2DEV(p->x); + s->y = YLOG2DEV(s->y); + for (p = s->seg; p; p = p->next) + p->x = XLOG2DEV(p->x); } } - + if ( !m_currentClippingRegion.IsNull() ) m_currentClippingRegion.Intersect(rg); else @@ -272,7 +278,7 @@ void wxDC::DoSetClippingRegionAsRegion(const wxRegion& region) void wxDC::DestroyClippingRegion() { wxCHECK_RET( Ok(), wxT("invalid dc") ); - + if ( !m_globalClippingRegion.IsNull() ) { m_MGLDC->setClipRegion(m_globalClippingRegion.GetMGLRegion()); @@ -282,7 +288,7 @@ void wxDC::DestroyClippingRegion() else { m_MGLDC->setClipRect(MGLRect(0, 0, m_MGLDC->sizex()+1, m_MGLDC->sizey()+1)); - m_clipping = FALSE; + ResetClipping(); m_currentClippingRegion.Clear(); } } @@ -322,14 +328,18 @@ void wxDC::Clear() SetBrush(m_backgroundBrush); SelectBrush(); GetSize(&w, &h); - m_MGLDC->fillRect(0, 0, w-1, h-1); + m_MGLDC->fillRect(0, 0, w, h); SetBrush(oldb); } } -void wxDC::DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, int style) +extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y, + const wxColour & col, int style); + +bool wxDC::DoFloodFill(wxCoord x, wxCoord y, + const wxColour& col, int style) { - wxFAIL_MSG( wxT("wxDC::DoFloodFill not implemented") ); + return wxDoFloodFill(this, x, y, col, style); } bool wxDC::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const @@ -337,7 +347,7 @@ bool wxDC::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const wxCHECK_MSG( col, FALSE, _T("NULL colour parameter in wxDC::GetPixel")); uchar r, g, b; - m_MGLDC->unpackColorFast(m_MGLDC->getPixel(XLOG2DEV(x), XLOG2DEV(y)), + m_MGLDC->unpackColorFast(m_MGLDC->getPixel(XLOG2DEV(x), YLOG2DEV(y)), r, g, b); col->Set(r, g, b); return TRUE; @@ -353,7 +363,7 @@ void wxDC::DoCrossHair(wxCoord x, wxCoord y) int h = 0; GetSize(&w, &h); m_MGLDC->makeCurrent(); // will go away with MGL6.0 - if ( !m_penSelected ) + if ( !m_penSelected ) SelectPen(); wxCoord xx = XLOG2DEV(x); wxCoord yy = YLOG2DEV(y); @@ -371,10 +381,10 @@ void wxDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2) if ( m_pen.GetStyle() != wxTRANSPARENT ) { m_MGLDC->makeCurrent(); // will go away with MGL6.0 - if ( !m_penSelected ) + if ( !m_penSelected ) SelectPen(); - m_MGLDC->line(XLOG2DEV(x1) + m_penOfsX, XLOG2DEV(y1) + m_penOfsY, - XLOG2DEV(x2) + m_penOfsX, XLOG2DEV(y2) + m_penOfsY); + m_MGLDC->lineExt(XLOG2DEV(x1) + m_penOfsX, YLOG2DEV(y1) + m_penOfsY, + XLOG2DEV(x2) + m_penOfsX, YLOG2DEV(y2) + m_penOfsY,FALSE); CalcBoundingBox(x1, y1); CalcBoundingBox(x2, y2); } @@ -427,17 +437,17 @@ void wxDC::DoDrawArc(wxCoord x1, wxCoord y1, m_MGLDC->makeCurrent(); // will go away with MGL6.0 if ( m_brush.GetStyle() != wxTRANSPARENT ) { - if ( !m_brushSelected ) + if ( !m_brushSelected ) SelectBrush(); m_MGLDC->fillEllipseArc(xxc, yyc, r, r, alpha1, alpha2); - } + } if ( m_pen.GetStyle() != wxTRANSPARENT ) { - if ( !m_penSelected ) + if ( !m_penSelected ) SelectPen(); m_MGLDC->ellipseArc(xxc + m_penOfsX, yyc + m_penOfsY, r, r, alpha1, alpha2); - } + } CalcBoundingBox(xc - r, yc - r); CalcBoundingBox(xc + r, yc + r); @@ -450,7 +460,7 @@ void wxDC::DoDrawPoint(wxCoord x, wxCoord y) if ( m_pen.GetStyle() != wxTRANSPARENT ) { m_MGLDC->makeCurrent(); // will go away with MGL6.0 - if ( !m_penSelected ) + if ( !m_penSelected ) SelectPen(); m_MGLDC->pixel(XLOG2DEV(x), YLOG2DEV(y)); CalcBoundingBox(x, y); @@ -461,9 +471,9 @@ void wxDC::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffs { wxCHECK_RET( Ok(), wxT("invalid dc") ); - wxCoord xxoffset = XLOG2DEVREL(xoffset), + wxCoord xxoffset = XLOG2DEVREL(xoffset), yyoffset = YLOG2DEVREL(yoffset); - MGLPoint *cpoints = new MGLPoint[n+1]; + MGLPoint *cpoints = new MGLPoint[n+1]; for (int i = 0; i < n; i++) { CalcBoundingBox(points[i].x + xoffset, points[i].y + yoffset); @@ -482,7 +492,7 @@ void wxDC::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffs if ( m_pen.GetStyle() != wxTRANSPARENT ) { - if ( !m_penSelected ) + if ( !m_penSelected ) SelectPen(); if (m_penOfsX != 0 || m_penOfsY != 0) { @@ -506,7 +516,7 @@ void wxDC::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset { MGLPoint *cpoints = new MGLPoint[n]; m_MGLDC->makeCurrent(); // will go away with MGL6.0 - if ( !m_penSelected ) + if ( !m_penSelected ) SelectPen(); for (int i = 0; i < n; i++) { @@ -530,32 +540,33 @@ void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height) if ( ww == 0 || hh == 0 ) return; - if ( ww < 0 ) + if ( ww < 0 ) { - ww = -ww; + ww = -ww; xx = xx - ww; } - if ( hh < 0 ) + if ( hh < 0 ) { - hh = -hh; - yy = yy - hh; + hh = -hh; + yy = yy - hh; } m_MGLDC->makeCurrent(); // will go away with MGL6.0 if ( m_brush.GetStyle() != wxTRANSPARENT ) { - if ( !m_brushSelected ) + if ( !m_brushSelected ) SelectBrush(); m_MGLDC->fillRect(xx, yy, xx + ww, yy + hh); - } + } if ( m_pen.GetStyle() != wxTRANSPARENT ) { - if ( !m_penSelected ) + if ( !m_penSelected ) SelectPen(); - m_MGLDC->rect(xx + m_penOfsX, yy + m_penOfsY, + + m_MGLDC->rect(xx + m_penOfsX, yy + m_penOfsY, xx + ww + m_penOfsX, yy + hh + m_penOfsY); - } + } CalcBoundingBox(x, y); CalcBoundingBox(x + width, y + height); @@ -565,7 +576,7 @@ void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord h { wxCHECK_RET( Ok(), wxT("invalid dc") ); - if ( radius < 0.0 ) + if ( radius < 0.0 ) radius = -radius * ((width < height) ? width : height); wxCoord xx = XLOG2DEV(x); @@ -575,15 +586,15 @@ void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord h wxCoord rr = XLOG2DEVREL((wxCoord)radius); // CMB: handle -ve width and/or height - if ( ww < 0 ) + if ( ww < 0 ) { - ww = -ww; - xx = xx - ww; + ww = -ww; + xx = xx - ww; } - if ( hh < 0 ) - { - hh = -hh; - yy = yy - hh; + if ( hh < 0 ) + { + hh = -hh; + yy = yy - hh; } // CMB: if radius is zero use DrawRectangle() instead to avoid @@ -607,7 +618,7 @@ void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord h m_MGLDC->makeCurrent(); // will go away with MGL6.0 if ( m_brush.GetStyle() != wxTRANSPARENT ) { - if (!m_brushSelected) + if (!m_brushSelected) SelectBrush(); m_MGLDC->fillRect(xx+rr, yy, xx+ww-rr, yy+hh); m_MGLDC->fillRect(xx, yy+rr, xx+ww, yy+hh-rr); @@ -615,20 +626,20 @@ void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord h m_MGLDC->fillEllipseArc(xx+ww-rr, yy+rr, rr, rr, 0, 90); m_MGLDC->fillEllipseArc(xx+rr, yy+hh-rr, rr, rr, 180, 270); m_MGLDC->fillEllipseArc(xx+ww-rr, yy+hh-rr, rr, rr, 270, 0); - } + } if ( m_pen.GetStyle() != wxTRANSPARENT ) { - if ( !m_penSelected ) + if ( !m_penSelected ) SelectPen(); xx += m_penOfsX; yy += m_penOfsY; - m_MGLDC->line(xx+rr+1, yy, xx+ww-rr, yy); + m_MGLDC->line(xx+rr+1, yy, xx+ww-rr, yy); m_MGLDC->ellipseArc(xx+ww-rr, yy+rr, rr, rr, 0, 90); m_MGLDC->line(xx+ww, yy+rr+1, xx+ww, yy+hh-rr); m_MGLDC->ellipseArc(xx+ww-rr, yy+hh-rr, rr, rr, 270, 0); m_MGLDC->line(xx+ww-rr, yy+hh, xx+rr+1, yy+hh); - m_MGLDC->ellipseArc(xx+rr, yy+hh-rr, rr, rr, 180, 270); + m_MGLDC->ellipseArc(xx+rr, yy+hh-rr, rr, rr, 180, 270); m_MGLDC->line(xx, yy+hh-rr, xx, yy+rr+1); m_MGLDC->ellipseArc(xx+rr, yy+rr, rr, rr, 90, 180); } @@ -651,13 +662,13 @@ void wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height) SelectBrush(); MGLRect rect(XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2)); m_MGLDC->fillEllipse(rect); - } + } if ( m_pen.GetStyle() != wxTRANSPARENT ) { - if ( !m_penSelected ) + if ( !m_penSelected ) SelectPen(); - MGLRect rect(XLOG2DEV(x) + m_penOfsX, YLOG2DEV(y) + m_penOfsY, + MGLRect rect(XLOG2DEV(x) + m_penOfsX, YLOG2DEV(y) + m_penOfsY, XLOG2DEV(x2) + m_penOfsX, YLOG2DEV(y2) + m_penOfsY); m_MGLDC->ellipse(rect); } @@ -679,16 +690,16 @@ void wxDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,d if (!m_brushSelected) SelectBrush(); MGLRect rect(XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2)); m_MGLDC->fillEllipseArc(rect, (int)sa, (int)ea); - } + } if ( m_pen.GetStyle() != wxTRANSPARENT ) { - if ( !m_penSelected ) + if ( !m_penSelected ) SelectPen(); - MGLRect rect(XLOG2DEV(x) + m_penOfsX, YLOG2DEV(y) + m_penOfsY, + MGLRect rect(XLOG2DEV(x) + m_penOfsX, YLOG2DEV(y) + m_penOfsY, XLOG2DEV(x2) + m_penOfsX, YLOG2DEV(y2) + m_penOfsY); m_MGLDC->ellipseArc(rect, (int)sa, (int)ea); - } + } CalcBoundingBox(x, y); CalcBoundingBox(x2, y2); @@ -715,7 +726,7 @@ bool wxDC::SelectMGLFont() m_mglFont = m_font.GetMGLfont_t(scale, antialiased); wxCHECK_MSG( m_mglFont, FALSE, wxT("invalid font") ); - + m_MGLDC->useFont(m_mglFont); wxLogTrace("mgl_font", "useFont(%p)", m_mglFont); @@ -726,7 +737,7 @@ bool wxDC::SelectMGLFont() !wxTestFontEncoding(nativeEnc) ) { #if wxUSE_FONTMAP - if ( !wxTheFontMapper->GetAltForEncoding(encoding, &nativeEnc) ) + if ( !wxFontMapper::Get()->GetAltForEncoding(encoding, &nativeEnc) ) #endif { nativeEnc.mglEncoding = MGL_ENCODING_ASCII; @@ -744,11 +755,6 @@ void wxDC::DrawAnyText(const wxString& text, wxCoord x, wxCoord y) SelectMGLFont(); - m_MGLDC->setColor(m_MGLDC->packColorFast(m_textForegroundColour.Red(), - m_textForegroundColour.Green(), m_textForegroundColour.Blue())); - m_MGLDC->setBackColor(m_MGLDC->packColorFast(m_textBackgroundColour.Red(), - m_textBackgroundColour.Green(), m_textBackgroundColour.Blue())); - // Render the text: wxCoord xx = XLOG2DEV(x); wxCoord yy = YLOG2DEV(y); @@ -757,14 +763,36 @@ void wxDC::DrawAnyText(const wxString& text, wxCoord x, wxCoord y) m_MGLDC->setLineStipple(0xFFFF); m_MGLDC->setPenSize(1, 1); m_MGLDC->setPenStyle(MGL_BITMAP_SOLID); - + #if wxUSE_UNICODE const wchar_t *c_text = text.c_str(); #else const char *c_text = text.c_str(); #endif + +#if 1 + // FIXME_MGL - this is a temporary hack in absence of proper + // implementation of solid text background in MGL. Once + // the bug in MGL is fixed, this code should be nuked + // immediately. Note that the code is not 100% correct; + // it only works with wxCOPY logical function + if ( m_backgroundMode == wxSOLID ) + { + int w = m_MGLDC->textWidth(c_text); + int h = m_MGLDC->textHeight(); + m_MGLDC->setColor(m_MGLDC->packColorFast(m_textBackgroundColour.Red(), + m_textBackgroundColour.Green(), m_textBackgroundColour.Blue())); + m_MGLDC->fillRect(xx, yy, xx+w, yy+h); + } +#endif + + m_MGLDC->setColor(m_MGLDC->packColorFast(m_textForegroundColour.Red(), + m_textForegroundColour.Green(), m_textForegroundColour.Blue())); + m_MGLDC->setBackColor(m_MGLDC->packColorFast(m_textBackgroundColour.Red(), + m_textBackgroundColour.Green(), m_textBackgroundColour.Blue())); + m_MGLDC->drawStr(xx, yy, c_text); - + // Render underline: if ( m_font.GetUnderlined() ) { @@ -790,7 +818,7 @@ void wxDC::DoDrawRotatedText(const wxString& text, double angle) { m_MGLDC->makeCurrent(); // will go away with MGL6.0 - + if ( angle == 0 ) { DoDrawText(text, x, y); @@ -808,9 +836,9 @@ void wxDC::DoDrawRotatedText(const wxString& text, wxFAIL_MSG(wxT("wxMGL only supports rotated text with angle 0,90,180 or 270")); return; } - + DrawAnyText(text, x, y); - + // Restore default: m_MGLDC->setTextDirection(MGL_RIGHT_DIR); } @@ -857,61 +885,61 @@ void wxDC::SelectMGLFatPen(int style, int flag) // switch between pens and brushes, we take advantage of MGL's ability // to have multiple (pix)pattern_t's loaded. We always download pen // to 0th slot and brush to 1st slot. - if ( flag == wxMGL_SELECT_FROM_PEN ) + if ( flag == wxMGL_SELECT_FROM_PEN ) slot = 0; else slot = 1; - // compute pen's width: + // compute pen's width: if ( m_pen.GetWidth() <= 1 ) { wx = wy = 1; m_penOfsX = m_penOfsY = 0; } else - { + { wx = (int)(0.5 + fabs((double) XLOG2DEVREL(m_pen.GetWidth()))); wy = (int)(0.5 + fabs((double) YLOG2DEVREL(m_pen.GetWidth()))); m_penOfsX = -wx/2; m_penOfsY = -wy/2; } - + // find pen's type: penstyle = MGL_BITMAP_TRANSPARENT; switch (style) { - case wxBDIAGONAL_HATCH: pattern = &PATTERN_wxBDIAGONAL_HATCH; - penstyle = MGL_BITMAP_TRANSPARENT; + case wxBDIAGONAL_HATCH: pattern = &PATTERN_wxBDIAGONAL_HATCH; + penstyle = MGL_BITMAP_TRANSPARENT; break; - case wxCROSSDIAG_HATCH: pattern = &PATTERN_wxCROSSDIAG_HATCH; - penstyle = MGL_BITMAP_TRANSPARENT; + case wxCROSSDIAG_HATCH: pattern = &PATTERN_wxCROSSDIAG_HATCH; + penstyle = MGL_BITMAP_TRANSPARENT; break; case wxFDIAGONAL_HATCH: pattern = &PATTERN_wxFDIAGONAL_HATCH; - penstyle = MGL_BITMAP_TRANSPARENT; + penstyle = MGL_BITMAP_TRANSPARENT; break; case wxCROSS_HATCH: pattern = &PATTERN_wxCROSS_HATCH; - penstyle = MGL_BITMAP_TRANSPARENT; + penstyle = MGL_BITMAP_TRANSPARENT; break; case wxHORIZONTAL_HATCH: pattern = &PATTERN_wxHORIZONTAL_HATCH; - penstyle = MGL_BITMAP_TRANSPARENT; + penstyle = MGL_BITMAP_TRANSPARENT; break; case wxVERTICAL_HATCH: pattern = &PATTERN_wxVERTICAL_HATCH; - penstyle = MGL_BITMAP_TRANSPARENT; + penstyle = MGL_BITMAP_TRANSPARENT; break; - + case wxSTIPPLE: - if ( flag == wxMGL_SELECT_FROM_PEN ) + if ( flag == wxMGL_SELECT_FROM_PEN ) pixPattern = (pixpattern24_t*) m_pen.GetPixPattern(); else pixPattern = (pixpattern24_t*) m_brush.GetPixPattern(); penstyle = MGL_PIXMAP; break; - + case wxSTIPPLE_MASK_OPAQUE: pattern = (pattern_t*) m_brush.GetMaskPattern(); penstyle = MGL_BITMAP_OPAQUE; break; - + case wxSOLID: default: penstyle = MGL_BITMAP_SOLID; break; @@ -928,14 +956,14 @@ void wxDC::SelectMGLFatPen(int style, int flag) } m_MGLDC->usePenBitmapPattern(slot); } - + if ( pixPattern ) { if ( !m_downloadedPatterns[slot] ) { pixpattern_t pix; int x, y, c; - + switch (GetDepth()) { case 8: @@ -978,7 +1006,7 @@ void wxDC::SelectMGLFatPen(int style, int flag) } m_MGLDC->usePenPixmapPattern(slot); } - + m_MGLDC->setLineStyle(MGL_LINE_PENSTYLE); m_MGLDC->setPenStyle(penstyle); m_MGLDC->setPenSize(wy, wx); @@ -1003,7 +1031,7 @@ void wxDC::SelectPen() case wxDOT_DASH: SelectMGLStipplePen(m_pen.GetStyle()); break; - + case wxBDIAGONAL_HATCH: case wxCROSSDIAG_HATCH: case wxFDIAGONAL_HATCH: @@ -1036,7 +1064,7 @@ void wxDC::SelectBrush() wxColour fg, bg; m_MGLDC->makeCurrent(); // will go away with MGL6.0 - + if ( m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE ) { fg = m_textForegroundColour; @@ -1077,10 +1105,11 @@ void wxDC::SetBrush(const wxBrush& brush) void wxDC::SetPalette(const wxPalette& palette) { wxCHECK_RET( Ok(), wxT("invalid dc") ); - + if ( palette == wxNullPalette ) { - SetPalette(m_oldPalette); + if ( m_oldPalette.Ok() ) + SetPalette(m_oldPalette); return; } @@ -1090,16 +1119,18 @@ void wxDC::SetPalette(const wxPalette& palette) m_palette = palette; int cnt = m_palette.GetColoursCount(); - palette_t *pal = m_palette.GetMGLpalette_t(); + palette_t *pal = m_palette.GetMGLpalette_t(); m_MGLDC->setPalette(pal, cnt, 0); m_MGLDC->realizePalette(cnt, 0, TRUE); } void wxDC::SetFont(const wxFont& font) { - wxCHECK_RET( font.Ok(), wxT("invalid font") ); - m_font = font; - m_mglFont = NULL; + if ( font.Ok() ) + { + m_font = font; + m_mglFont = NULL; + } } void wxDC::SetBackground(const wxBrush& brush) @@ -1207,18 +1238,18 @@ void wxDC::DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y, wxFont *theFont) const { wxFont oldFont; - + if ( theFont != NULL ) { oldFont = m_font; wxConstCast(this, wxDC)->SetFont(*theFont); } - + wxCurrentDCSwitcher switcher(m_MGLDC); if ( !wxConstCast(this, wxDC)->SelectMGLFont() ) return; if ( x ) - // VS: YDEV is corrent, it should *not* be XDEV, because font's are + // VS: YDEV is corrent, it should *not* be XDEV, because font's are // only scaled according to m_scaleY *x = YDEV2LOGREL(m_MGLDC->textWidth(string.c_str())); if ( y ) @@ -1242,14 +1273,14 @@ void wxDC::ComputeScaleAndOrigin() { double newX = m_logicalScaleX * m_userScaleX; double newY = m_logicalScaleY * m_userScaleY; - + // make sure font will be reloaded before drawing: if ( newY != m_scaleY ) m_mglFont = NULL; // make sure m_penOfs{X,Y} will be reevaluated before drawing: if ( newY != m_scaleY || newX != m_scaleX ) m_penSelected = FALSE; - + m_scaleX = newX, m_scaleY = newY; } @@ -1378,7 +1409,7 @@ void wxDC::DoGetSizeMM(int *width, int *height) const wxSize wxDC::GetPPI() const { - return wxSize(int(double(m_mm_to_pix_x) * inches2mm), + return wxSize(int(double(m_mm_to_pix_x) * inches2mm), int(double(m_mm_to_pix_y) * inches2mm)); } @@ -1395,7 +1426,7 @@ bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest, { wxCHECK_MSG( Ok(), FALSE, wxT("invalid dc") ); wxCHECK_MSG( source, FALSE, wxT("invalid source dc") ); - + // transform the source DC coords to the device ones xsrc = source->LogicalToDeviceX(xsrc); ysrc = source->LogicalToDeviceY(ysrc); @@ -1429,7 +1460,7 @@ bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest, else { m_MGLDC->makeCurrent(); // will go away with MGL6.0 - m_MGLDC->bitBlt(*source->GetMGLDC(), + m_MGLDC->bitBlt(*source->GetMGLDC(), xsrc, ysrc, xsrc + ww, ysrc + hh, xx, yy, LogicalFunctionToMGLRop(rop)); } @@ -1456,8 +1487,8 @@ void wxDC::DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y) static inline void DoBitBlt(const wxBitmap& src, MGLDevCtx *dst, - int sx, int sy, int sw, int sh, - int dx, int dy, int dw, int dh, + int sx, int sy, int sw, int sh, + int dx, int dy, int dw, int dh, int rop, bool useStretching, bool putSection) { bitmap_t *bmp = src.GetMGLbitmap_t(); @@ -1473,12 +1504,12 @@ static inline void DoBitBlt(const wxBitmap& src, MGLDevCtx *dst, if (!putSection) dst->stretchBitmap(dx, dy, dx + dw, dy + dh, bmp, rop); else - dst->stretchBitmapSection(sx, sy, sx + sw, sy + sh, + dst->stretchBitmapSection(sx, sy, sx + sw, sy + sh, dx, dy, dx + dw, dy + dh, bmp, rop); } } -void wxDC::DoDrawSubBitmap(const wxBitmap &bmp, +void wxDC::DoDrawSubBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, wxCoord w, wxCoord h, wxCoord destx, wxCoord desty, int rop, bool useMask) { @@ -1492,9 +1523,9 @@ void wxDC::DoDrawSubBitmap(const wxBitmap &bmp, wxCoord dy = YLOG2DEV(desty); wxCoord dw = XLOG2DEVREL(w); wxCoord dh = YLOG2DEVREL(h); - + m_MGLDC->makeCurrent(); // will go away with MGL6.0 - + bool useStretching = ((w != dw) || (h != dh)); bool putSection = (w != bmp.GetWidth() || h != bmp.GetHeight()); MGL_writeModeType mglRop = (MGL_writeModeType)LogicalFunctionToMGLRop(rop); @@ -1510,29 +1541,29 @@ void wxDC::DoDrawSubBitmap(const wxBitmap &bmp, if ( useMask && bmp.GetMask() ) { // Since MGL does not support masks directly (in MGL, mask is handled - // in same way as in wxImage, i.e. there is one "key" color), we + // in same way as in wxImage, i.e. there is one "key" color), we // simulate masked bitblt in 6 steps (same as in MSW): // - // 1. Create a temporary bitmap and copy the destination area into it. - // 2. Copy the source area into the temporary bitmap using the + // 1. Create a temporary bitmap and copy the destination area into it. + // 2. Copy the source area into the temporary bitmap using the // specified logical function. - // 3. Set the masked area in the temporary bitmap to BLACK by ANDing - // the mask bitmap with the temp bitmap with the foreground colour + // 3. Set the masked area in the temporary bitmap to BLACK by ANDing + // the mask bitmap with the temp bitmap with the foreground colour // set to WHITE and the bg colour set to BLACK. // 4. Set the unmasked area in the destination area to BLACK by - // ANDing the mask bitmap with the destination area with the + // ANDing the mask bitmap with the destination area with the // foreground colour set to BLACK and the background colour set - // to WHITE. - // 5. OR the temporary bitmap with the destination area. - // 6. Delete the temporary bitmap. - // - // This sequence of operations ensures that the source's transparent + // to WHITE. + // 5. OR the temporary bitmap with the destination area. + // 6. Delete the temporary bitmap. + // + // This sequence of operations ensures that the source's transparent // area need not be black, and logical functions are supported. wxBitmap *mask = bmp.GetMask()->GetBitmap(); MGLMemoryDC *temp; - + if ( GetDepth() <= 8 ) { temp = new MGLMemoryDC(dw, dh, GetDepth(), NULL); @@ -1546,28 +1577,28 @@ void wxDC::DoDrawSubBitmap(const wxBitmap &bmp, m_MGLDC->getPixelFormat(pf); temp = new MGLMemoryDC(dw, dh, GetDepth(), &pf); } - + wxCHECK_RET( temp->isValid(), wxT("cannot create temporary dc") ); - + temp->bitBlt(*m_MGLDC, dx, dy, dx + dw, dy + dh, 0, 0, MGL_REPLACE_MODE); - DoBitBlt(bmp, temp, x, y, w, h, 0, 0, dw, dh, mglRop, + DoBitBlt(bmp, temp, x, y, w, h, 0, 0, dw, dh, mglRop, useStretching, putSection); mask->SetMonoPalette(wxColour(0,0,0), wxColour(255,255,255)); - DoBitBlt(*mask, temp, x, y, w, h, 0, 0, dw, dh, MGL_R2_MASKSRC, + DoBitBlt(*mask, temp, x, y, w, h, 0, 0, dw, dh, MGL_R2_MASKSRC, useStretching, putSection); - DoBitBlt(*mask, m_MGLDC, x, y, w, h, dx, dy, dw, dh, MGL_R2_MASKNOTSRC, + DoBitBlt(*mask, m_MGLDC, x, y, w, h, dx, dy, dw, dh, MGL_R2_MASKNOTSRC, useStretching, putSection); m_MGLDC->bitBlt(*temp, 0, 0, dw, dh, dx, dy, MGL_OR_MODE); - + delete temp; } - + else { - DoBitBlt(bmp, m_MGLDC, x, y, w, h, dx, dy, dw, dh, mglRop, + DoBitBlt(bmp, m_MGLDC, x, y, w, h, dx, dy, dw, dh, mglRop, useStretching, putSection); } }