X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0e320a79f187558effb04d92020b470372bbe456..636d266b8993dd831aa47bdd7e673be32166b54a:/src/os2/dc.cpp diff --git a/src/os2/dc.cpp b/src/os2/dc.cpp index 2c1c613595..d2fe58841f 100644 --- a/src/os2/dc.cpp +++ b/src/os2/dc.cpp @@ -1,385 +1,2314 @@ ///////////////////////////////////////////////////////////////////////////// // Name: dc.cpp // Purpose: wxDC class -// Author: AUTHOR +// Author: David Webster // Modified by: -// Created: 01/02/97 +// Created: 10/14/99 // RCS-ID: $Id$ -// Copyright: (c) AUTHOR -// Licence: wxWindows licence +// Copyright: (c) David Webster +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "dc.h" +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" + +#ifndef WX_PRECOMP + #include "wx/window.h" + #include "wx/dc.h" + #include "wx/utils.h" + #include "wx/dialog.h" + #include "wx/app.h" + #include "wx/bitmap.h" + #include "wx/dcmemory.h" + #include "wx/log.h" + #include "wx/icon.h" + #include "wx/msgdlg.h" + #include "wx/module.h" #endif -#include "wx/dc.h" +#include "wx/dcprint.h" -#if !USE_SHARED_LIBRARY -IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject) -#endif +#include +#include + +#include "wx/os2/private.h" + + IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject) + +// +// wxWindows uses the Microsoft convention that the origin is the UPPER left. +// Native OS/2 however in the GPI and PM define the origin as the LOWER left. +// In order to map OS/2 GPI/PM y coordinates to wxWindows coordinates we must +// perform the following transformation: +// +// Parent object height: POBJHEIGHT +// Desried origin: WXORIGINY +// Object to place's height: OBJHEIGHT +// +// To get the OS2 position from the wxWindows one: +// +// OS2Y = POBJHEIGHT - (WXORIGINY + OBJHEIGHT) +// +// For OS/2 wxDC's we will always determine m_vRclPaint as the size of the +// OS/2 Presentation Space associated with the device context. y is the +// desired application's y coordinate of the origin in wxWindows space. +// objy is the height of the object we are going to draw. +// +#define OS2Y(y, objy) ((m_vRclPaint.yTop - m_vRclPaint.yBottom) - (y + objy)) -//----------------------------------------------------------------------------- +// --------------------------------------------------------------------------- // constants -//----------------------------------------------------------------------------- +// --------------------------------------------------------------------------- + +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 +// =========================================================================== + +#if wxUSE_DC_CACHEING + +/* + * This implementation is a bit ugly and uses the old-fashioned wxList class, so I will + * improve it in due course, either using arrays, or simply storing pointers to one + * entry for the bitmap, and two for the DCs. -- JACS + */ + +// --------------------------------------------------------------------------- +// wxDCCacheEntry +// --------------------------------------------------------------------------- + +wxList wxDC::m_svBitmapCache; +wxList wxDC::m_svDCCache; + +wxDCCacheEntry::wxDCCacheEntry( + WXHBITMAP hBitmap +, int nWidth +, int nHeight +, int nDepth +) +{ + m_hBitmap = hBitmap; + m_hPS = NULLHANDLE; + m_nWidth = nWidth; + m_nHeight = nHeight; + m_nDepth = nDepth; +} // end of wxDCCacheEntry::wxDCCacheEntry + +wxDCCacheEntry::wxDCCacheEntry( + HPS hPS +, int nDepth +) +{ + m_hBitmap = NULLHANDLE; + m_hPS = hPS; + m_nWidth = 0; + m_nHeight = 0; + m_nDepth = nDepth; +} // end of wxDCCacheEntry::wxDCCacheEntry + +wxDCCacheEntry::~wxDCCacheEntry() +{ + if (m_hBitmap) + ::GpiDeleteBitmap(m_hBitmap); + if (m_hPS) + ::GpiDestroyPS(m_hPS); +} // end of wxDCCacheEntry::~wxDCCacheEntry + +wxDCCacheEntry* wxDC::FindBitmapInCache( + HPS hPS +, int nWidth +, int nHeight +) +{ + int nDepth = 24; // we'll fix this later ::GetDeviceCaps((HDC) dc, PLANES) * ::GetDeviceCaps((HDC) dc, BITSPIXEL); + wxNode* pNode = m_svBitmapCache.First(); + BITMAPINFOHEADER2 vBmpHdr; + + while(pNode) + { + wxDCCacheEntry* pEntry = (wxDCCacheEntry*)pNode->Data(); + + if (pEntry->m_nDepth == nDepth) + { + memset(&vBmpHdr, 0, sizeof(BITMAPINFOHEADER2)); + + if (pEntry->m_nWidth < nWidth || pEntry->m_nHeight < nHeight) + { + ::GpiDeleteBitmap((HBITMAP)pEntry->m_hBitmap); + vBmpHdr.cbFix = sizeof(BITMAPINFOHEADER2); + vBmpHdr.cx = nWidth; + vBmpHdr.cy = nHeight; + vBmpHdr.cPlanes = 1; + vBmpHdr.cBitCount = nDepth; -#define mm2inches 0.0393700787402 -#define inches2mm 25.4 -#define mm2twips 56.6929133859 -#define twips2mm 0.0176388888889 -#define mm2pt 2.83464566929 -#define pt2mm 0.352777777778 + pEntry->m_hBitmap = (WXHBITMAP) ::GpiCreateBitmap( hPS + ,&vBmpHdr + ,0L, NULL, NULL + ); + if (!pEntry->m_hBitmap) + { + wxLogLastError(wxT("CreateCompatibleBitmap")); + } + pEntry->m_nWidth = nWidth; + pEntry->m_nHeight = nHeight; + return pEntry; + } + return pEntry; + } + pNode = pNode->Next(); + } + memset(&vBmpHdr, 0, sizeof(BITMAPINFOHEADER2)); + vBmpHdr.cbFix = sizeof(BITMAPINFOHEADER2); + vBmpHdr.cx = nWidth; + vBmpHdr.cy = nHeight; + vBmpHdr.cPlanes = 1; + vBmpHdr.cBitCount = nDepth; -//----------------------------------------------------------------------------- + WXHBITMAP hBitmap = (WXHBITMAP) ::GpiCreateBitmap( hPS + ,&vBmpHdr + ,0L, NULL, NULL + ); + if (!hBitmap) + { + wxLogLastError(wxT("CreateCompatibleBitmap")); + } + wxDCCacheEntry* pEntry = new wxDCCacheEntry( hBitmap + ,nWidth + ,nHeight + ,nDepth + ); + AddToBitmapCache(pEntry); + return pEntry; +} // end of FindBitmapInCache + +wxDCCacheEntry* wxDC::FindDCInCache( + wxDCCacheEntry* pNotThis +, HPS hPS +) +{ + int nDepth = 24; // we'll fix this up later ::GetDeviceCaps((HDC) dc, PLANES) * ::GetDeviceCaps((HDC) dc, BITSPIXEL); + wxNode* pNode = m_svDCCache.First(); + + while(pNode) + { + wxDCCacheEntry* pEntry = (wxDCCacheEntry*)pNode->Data(); + + // + // Don't return the same one as we already have + // + if (!pNotThis || (pNotThis != pEntry)) + { + if (pEntry->m_nDepth == nDepth) + { + return pEntry; + } + } + pNode = pNode->Next(); + } + wxDCCacheEntry* pEntry = new wxDCCacheEntry( hPS + ,nDepth + ); + AddToDCCache(pEntry); + return pEntry; +} // end of wxDC::FindDCInCache + +void wxDC::AddToBitmapCache( + wxDCCacheEntry* pEntry +) +{ + m_svBitmapCache.Append(pEntry); +} // end of wxDC::AddToBitmapCache + +void wxDC::AddToDCCache( + wxDCCacheEntry* pEntry +) +{ + m_svDCCache.Append(pEntry); +} // end of wxDC::AddToDCCache + +void wxDC::ClearCache() +{ + m_svBitmapCache.DeleteContents(TRUE); + m_svBitmapCache.Clear(); + m_svBitmapCache.DeleteContents(FALSE); + m_svDCCache.DeleteContents(TRUE); + m_svDCCache.Clear(); + m_svDCCache.DeleteContents(FALSE); +} // end of wxDC::ClearCache + +// Clean up cache at app exit +class wxDCModule : public wxModule +{ +public: + virtual bool OnInit() { return TRUE; } + virtual void OnExit() { wxDC::ClearCache(); } + +private: + DECLARE_DYNAMIC_CLASS(wxDCModule) +}; // end of CLASS wxDCModule + +IMPLEMENT_DYNAMIC_CLASS(wxDCModule, wxModule) + +#endif // ndef for wxUSE_DC_CACHEING + +// --------------------------------------------------------------------------- // wxDC -//----------------------------------------------------------------------------- +// --------------------------------------------------------------------------- wxDC::wxDC(void) { - m_ok = FALSE; - m_optimize = FALSE; - m_autoSetting = FALSE; - m_colour = TRUE; - m_clipping = FALSE; - - m_mm_to_pix_x = 1.0; - m_mm_to_pix_y = 1.0; - - m_logicalOriginX = 0; - m_logicalOriginY = 0; - m_deviceOriginX = 0; - m_deviceOriginY = 0; - m_internalDeviceOriginX = 0; - m_internalDeviceOriginY = 0; - m_externalDeviceOriginX = 0; - m_externalDeviceOriginY = 0; - - m_logicalScaleX = 1.0; - m_logicalScaleY = 1.0; - m_userScaleX = 1.0; - m_userScaleY = 1.0; - m_scaleX = 1.0; - m_scaleY = 1.0; - - m_mappingMode = wxMM_TEXT; - m_needComputeScaleX = FALSE; - m_needComputeScaleY = FALSE; - - m_signX = 1; // default x-axis left to right - m_signY = 1; // default y-axis top down - - m_maxX = m_maxY = -100000; - m_minY = m_minY = 100000; - - m_logicalFunction = wxCOPY; -// m_textAlignment = wxALIGN_TOP_LEFT; - m_backgroundMode = wxTRANSPARENT; - - m_textForegroundColour = *wxBLACK; - m_textBackgroundColour = *wxWHITE; - m_pen = *wxBLACK_PEN; - m_font = *wxNORMAL_FONT; - m_brush = *wxTRANSPARENT_BRUSH; - m_backgroundBrush = *wxWHITE_BRUSH; - -// m_palette = wxAPP_COLOURMAP; -}; + wxColour vColor; + + 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_hOldPS = NULL; + m_hPS = NULL; + m_bIsPaintTime = FALSE; // True at Paint Time + + vColor.InitFromName("BLACK"); + m_pen.SetColour(vColor); + vColor.Set("WHITE"); + m_brush.SetColour(vColor); +} // end of wxDC::wxDC wxDC::~wxDC(void) { -}; - -void wxDC::DrawIcon( const wxIcon &WXUNUSED(icon), long WXUNUSED(x), long WXUNUSED(y), bool WXUNUSED(useMask) ) -{ -}; - -void wxDC::DrawPoint( wxPoint& point ) -{ - DrawPoint( point.x, point.y ); -}; - -void wxDC::DrawPolygon( wxList *list, long xoffset, long yoffset, int fillStyle ) -{ - int n = list->Number(); - wxPoint *points = new wxPoint[n]; - - int i = 0; - for( wxNode *node = list->First(); node; node = node->Next() ) - { - wxPoint *point = (wxPoint *)node->Data(); - points[i].x = point->x; - points[i++].y = point->y; - }; - DrawPolygon( n, points, xoffset, yoffset, fillStyle ); - delete[] points; -}; - -void wxDC::DrawLines( wxList *list, long xoffset, long yoffset ) -{ - int n = list->Number(); - wxPoint *points = new wxPoint[n]; - - int i = 0; - for( wxNode *node = list->First(); node; node = node->Next() ) - { - wxPoint *point = (wxPoint *)node->Data(); - points[i].x = point->x; - points[i++].y = point->y; - }; - DrawLines( n, points, xoffset, yoffset ); - delete []points; -}; - -void wxDC::DrawSpline( long x1, long y1, long x2, long y2, long x3, long y3 ) -{ - wxList list; - list.Append( (wxObject*)new wxPoint(x1, y1) ); - list.Append( (wxObject*)new wxPoint(x2, y2) ); - list.Append( (wxObject*)new wxPoint(x3, y3) ); - DrawSpline(&list); - wxNode *node = list.First(); - while (node) - { - wxPoint *p = (wxPoint*)node->Data(); - delete p; - node = node->Next(); - }; -}; - -void wxDC::DrawSpline( int n, wxPoint points[] ) -{ - wxList list; - for (int i = 0; i < n; i++) list.Append( (wxObject*)&points[i] ); - DrawSpline( &list ); -}; - -void wxDC::SetClippingRegion( long x, long y, long width, long height ) -{ - m_clipping = TRUE; - m_clipX1 = x; - m_clipY1 = y; - m_clipX2 = x + width; - m_clipY2 = y + height; -}; + 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 hPS +) +{ + if (hPS) + { + if (m_hOldBitmap) + { + ::GpiSetBitmap(hPS, (HBITMAP) m_hOldBitmap); + if (m_vSelectedBitmap.Ok()) + { + m_vSelectedBitmap.SetSelectedInto(NULL); + } + } + 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_backgroundBrush = wxNullBrush; + m_vSelectedBitmap = wxNullBitmap; +} // end of wxDC::SelectOldObjects + +// --------------------------------------------------------------------------- +// clipping +// --------------------------------------------------------------------------- + +#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 vX +, wxCoord vY +, wxCoord vWidth +, wxCoord vHeight +) +{ + RECTL vRect; + + vY = OS2Y(vY,vHeight); + m_clipping = TRUE; + vRect.xLeft = vX; + vRect.yTop = vY + vHeight; + vRect.xRight = vX + vWidth; + vRect.yBottom = vY; + ::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::DestroyClippingRegion(void) { - m_clipping = FALSE; -}; - -void wxDC::GetClippingBox( long *x, long *y, long *width, long *height ) const -{ - if (m_clipping) - { - if (x) *x = m_clipX1; - if (y) *y = m_clipY1; - if (width) *width = (m_clipX2 - m_clipX1); - if (height) *height = (m_clipY2 - m_clipY1); - } - else - *x = *y = *width = *height = 0; -}; - -void wxDC::GetSize( int* width, int* height ) const -{ - *width = m_maxX-m_minX; - *height = m_maxY-m_minY; -}; - -void wxDC::GetSizeMM( long* width, long* height ) const -{ - int w = 0; - int h = 0; - GetSize( &w, &h ); - *width = long( double(w) / (m_scaleX*m_mm_to_pix_x) ); - *height = long( double(h) / (m_scaleY*m_mm_to_pix_y) ); -}; - -void wxDC::SetTextForeground( const wxColour &col ) -{ - if (!Ok()) return; - m_textForegroundColour = col; -}; - -void wxDC::SetTextBackground( const wxColour &col ) -{ - if (!Ok()) return; - m_textBackgroundColour = col; -}; - -void wxDC::SetMapMode( int mode ) -{ - switch (mode) - { - case wxMM_TWIPS: - SetLogicalScale( twips2mm*m_mm_to_pix_x, twips2mm*m_mm_to_pix_y ); - break; - case wxMM_POINTS: - SetLogicalScale( pt2mm*m_mm_to_pix_x, pt2mm*m_mm_to_pix_y ); - break; - case wxMM_METRIC: - SetLogicalScale( m_mm_to_pix_x, m_mm_to_pix_y ); - break; - case wxMM_LOMETRIC: - SetLogicalScale( m_mm_to_pix_x/10.0, m_mm_to_pix_y/10.0 ); - break; - default: - case wxMM_TEXT: - SetLogicalScale( 1.0, 1.0 ); - break; - }; - if (mode != wxMM_TEXT) - { - m_needComputeScaleX = TRUE; - m_needComputeScaleY = TRUE; - }; -}; + if (m_clipping && m_hPS) + { + HRGN hRgnOld; + RECTL vRect; + + // TODO: this should restore the previous clipped region + // so that OnPaint processing works correctly, and + // the update doesn't get destroyed after the first + // DestroyClippingRegion + vRect.xLeft = XLOG2DEV(0); + vRect.yTop = YLOG2DEV(32000); + vRect.xRight = XLOG2DEV(32000); + vRect.yBottom = YLOG2DEV(0); + + HRGN hRgn = ::GpiCreateRegion(m_hPS, 1, &vRect); + + ::GpiSetClipRegion(m_hPS, hRgn, &hRgnOld); + } + m_clipping = FALSE; +} // end of wxDC::DestroyClippingRegion + +// --------------------------------------------------------------------------- +// query capabilities +// --------------------------------------------------------------------------- + +bool wxDC::CanDrawBitmap() const +{ + return TRUE; +} + +bool wxDC::CanGetTextExtent() const +{ + LONG lTechnology = 0L; + + ::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 +{ + 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() +{ + ::GpiErase(m_hPS); +} // end of wxDC::Clear + +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 = OS2Y(vY,0); // 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); +} // end of wxDC::DoFloodFill + +bool wxDC::DoGetPixel( + wxCoord vX +, wxCoord vY +, wxColour* pCol +) const +{ + POINTL vPoint; + LONG lColor; + + vPoint.x = vX; + vPoint.y = OS2Y(vY,0); + lColor = ::GpiSetPel(m_hPS, &vPoint); + + // + // Get the color of the pen + // + LONG lPencolor = 0x00ffffff; + + if (m_pen.Ok()) + { + lPencolor = m_pen.GetColour().GetPixel(); + } + + // + // return the color of the pixel + // + if(pCol) + pCol->Set( GetRValue(lColor) + ,GetGValue(lColor) + ,GetBValue(lColor) + ); + return(lColor == lPencolor); +} // end of wxDC::DoGetPixel + +void wxDC::DoCrossHair( + wxCoord vX +, wxCoord vY +) +{ + vY = OS2Y(vY,0); + + 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 = vY; + + vPoint[1].x = vX2; + vPoint[1].y = vY; + + ::GpiMove(m_hPS, &vPoint[0]); + ::GpiLine(m_hPS, &vPoint[1]); + + vPoint[2].x = vX; + vPoint[2].y = vY1; + + vPoint[3].x = vX; + vPoint[3].y = vY2; + + ::GpiMove(m_hPS, &vPoint[2]); + ::GpiLine(m_hPS, &vPoint[3]); + CalcBoundingBox(vX1, vY1); + CalcBoundingBox(vX2, vY2); +} // end of wxDC::DoCrossHair + +void wxDC::DoDrawLine( + wxCoord vX1 +, wxCoord vY1 +, wxCoord vX2 +, wxCoord vY2 +) +{ + POINTL vPoint[2]; + + vY1 = OS2Y(vY1,0); + vY2 = OS2Y(vY2,0); + + vPoint[0].x = vX1; + vPoint[0].y = vY1; + vPoint[1].x = vX2; + vPoint[1].y = vY2; + ::GpiMove(m_hPS, &vPoint[0]); + ::GpiLine(m_hPS, &vPoint[1]); + CalcBoundingBox(vX1, vY1); + CalcBoundingBox(vX2, vY2); +} // 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; + } + + // + // 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 + CalcBoundingBox( (vXc - dRadius) + ,(vYc - dRadius) + ); + CalcBoundingBox( (vXc + dRadius) + ,(vYc + dRadius) + ); +} // end of wxDC::DoDrawArc + +void wxDC::DoDrawCheckMark( + wxCoord vX1 +, wxCoord vY1 +, wxCoord vWidth +, wxCoord vHeight +) +{ + POINTL vPoint[2]; + + vY1 = OS2Y(vY1,vHeight); + + 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]); + } + CalcBoundingBox( vX1 + ,vY1 + ); + + wxCoord vX2 = vX1 + vWidth; + wxCoord vY2 = vY1 + vHeight; + + CalcBoundingBox( vX2 + ,vY2 + ); +} // end of wxDC::DoDrawCheckMark + +void wxDC::DoDrawPoint( + wxCoord vX +, wxCoord vY +) +{ + POINTL vPoint; + COLORREF vColor = 0x00ffffff; + + if (m_pen.Ok()) + { + vColor = m_pen.GetColour().GetPixel(); + } + ::GpiSetColor(m_hPS, vColor); + vPoint.x = vX; + vPoint.y = OS2Y(vY,0); + ::GpiSetPel(m_hPS, &vPoint); + CalcBoundingBox( vX + ,vY + ); +} // 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 = OS2Y(vPoints[i].y,0); // +yoffset; + } + flModel = POLYGON_BOUNDARY; + if(nFillStyle == wxWINDING_RULE) + flModel |= POLYGON_WINDING; + else + flModel |= POLYGON_ALTERNATE; + + vPoint.x = vXoffset; + vPoint.y = OS2Y(vYoffset,0); + + ::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::DoDrawLines( + int n +, wxPoint vPoints[] +, wxCoord vXoffset +, wxCoord vYoffset +) +{ + POINTL vPoint; + + if (vXoffset != 0L || vXoffset != 0L) + { + int i; + + vPoint.x = vPoints[0].x + vXoffset; + vPoint.y = OS2Y(vPoints[0].y + vYoffset,0); + ::GpiMove(m_hPS, &vPoint); + + LONG lBorderColor = m_pen.GetColour().GetPixel(); + + ::GpiSetColor(m_hPS, lBorderColor); + for(i = 1; i < n; i++) + { + vPoint.x = vPoints[i].x + vXoffset; + vPoint.y = OS2Y(vPoints[i].y + vYoffset,0); + ::GpiLine(m_hPS, &vPoint); + } + } + else + { + int i; + + CalcBoundingBox( vPoints[i].x + ,vPoints[i].y + ); + vPoint.x = vPoints[0].x; + vPoint.y = OS2Y(vPoints[0].y,0); + ::GpiMove(m_hPS, &vPoint); + + for (i = 0; i < n; i++) + { + CalcBoundingBox( vPoints[i].x + ,vPoints[i].y + ); + vPoint.x = vPoints[i].x; + vPoint.y = OS2Y(vPoints[i].y,0); + ::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; + + vY = OS2Y(vY,vHeight); + + wxCoord vX2 = vX + vWidth; + wxCoord vY2 = vY + vHeight; + + vPoint[0].x = vX; + vPoint[0].y = vY; + vPoint[1].x = vX + vWidth; + vPoint[1].y = vY + vHeight; + ::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 = vY + 1; + vPoint[1].x = vX + vWidth - 1; + vPoint[1].y = vY + vHeight - 1; + ::GpiMove(m_hPS, &vPoint[0]); + ::GpiBox( m_hPS + ,lControl + ,&vPoint[1] + ,0L + ,0L + ); + } + CalcBoundingBox(vX, vY); + CalcBoundingBox(vX2, vY2); +} // end of wxDC::DoDrawRectangle + +void wxDC::DoDrawRoundedRectangle( + wxCoord vX +, wxCoord vY +, wxCoord vWidth +, wxCoord vHeight +, double dRadius +) +{ + POINTL vPoint[2]; + LONG lControl; + + vY = OS2Y(vY,vHeight); + + wxCoord vX2 = (vX + vWidth); + wxCoord vY2 = (vY + vHeight); + + 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 + ); + CalcBoundingBox(vX, vY); + CalcBoundingBox(vX2, vY2); +} // 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 + + vY = OS2Y(vY,vHeight); + + 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 + + wxCoord vX2 = (vX + vWidth); + wxCoord vY2 = (vY + vHeight); + + CalcBoundingBox(vX, vY); + CalcBoundingBox(vX2, vY2); +} // 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; + + vY = OS2Y(vY,vHeight); + + 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 + ); + wxCoord vX2 = (vX + vWidth); + wxCoord vY2 = (vY + vHeight); + + CalcBoundingBox(vX, vY); + CalcBoundingBox(vX2, vY2); +} // end of wxDC::DoDrawEllipticArc + +void wxDC::DoDrawIcon( + const wxIcon& rIcon +, wxCoord vX +, wxCoord vY +) +{ + vY = OS2Y(vY,rIcon.GetHeight()); + wxCHECK_RET( rIcon.Ok(), wxT("invalid icon in DrawIcon") ); + + ::WinDrawPointer( GetHPS() + ,vX + ,vY + ,(HPOINTER)GetHiconOf(rIcon) + ,DP_NORMAL + ); + CalcBoundingBox(vX, vY); + CalcBoundingBox(vX + rIcon.GetWidth(), vY + rIcon.GetHeight()); +} // 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 +) +{ + wxCoord vWidth; + wxCoord vHeight; + + DrawAnyText( rsText + ,vX + ,vY + ); + + CalcBoundingBox(vX, vY); + GetTextExtent(rsText, &vWidth, &vHeight); + CalcBoundingBox((vX + vWidth), (vY + vHeight)); +} // end of wxDC::DoDrawText + +void wxDC::DrawAnyText( + const wxString& rsText +, wxCoord vX +, wxCoord vY +) +{ + int nOldBackground = 0; + POINTL vPtlStart; + LONG lHits; + wxCoord vTextX = 0; + wxCoord vTextY = 0; + + // + // 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 + ); + GetTextExtent( rsText + ,&vTextX + ,&vTextY + ); + vPtlStart.x = vX; + vPtlStart.y = OS2Y(vY,vTextY); + + 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& rPalette +) +{ + if (m_hOldFont) + { + m_hOldFont = 0; + } + m_palette = rPalette; + if (!rPalette.Ok()) + { + if (m_hOldFont) + { + m_hOldFont = 0; + } + } + HPALETTE hOldPal = ::GpiSelectPalette((HDC) m_hPS, (HPALETTE) m_palette.GetHPALETTE()); + if (!m_hOldPalette) + m_hOldPalette = (WXHPALETTE)hOldPal; +} // end of wxDC::SetPalette + +void wxDC::SetFont( + const wxFont& rFont +) +{ + // + // 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& rPen +) +{ + 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& rBrush +) +{ + wxCHECK_RET( Ok(), wxT("invalid window dc") ); + + if (m_hOldBrush) + m_hOldBrush = 0L; + m_brush = rBrush; + if (!m_brush.Ok()) + if (m_brush == rBrush) + return; + if (!m_brush.Ok()) + if (m_hOldBrush) + m_hOldBrush = 0L; + + 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 = (WXHWND)m_brush.GetPS(); + } + } +} // end of wxDC::SetBrush + +void wxDC::SetBackground( + const wxBrush& rBrush +) +{ + m_backgroundBrush = rBrush; + if (!m_backgroundBrush.Ok()) + return; + if (m_pCanvas) + { + bool bCustomColours = TRUE; + + // + // If we haven't specified wxUSER_COLOURS, don't allow the panel/dialog box to + // change background colours from the control-panel specified colours. + // + if (m_pCanvas->IsKindOf(CLASSINFO(wxWindow)) && + ((m_pCanvas->GetWindowStyleFlag() & wxUSER_COLOURS) != wxUSER_COLOURS)) + bCustomColours = FALSE; + if (bCustomColours) + { + if (m_backgroundBrush.GetStyle()==wxTRANSPARENT) + { + m_pCanvas->SetTransparent(TRUE); + } + else + { + // + // Setting the background brush of a DC + // doesn't affect the window background colour. However, + // I'm leaving in the transparency setting because it's needed by + // various controls (e.g. wxStaticText) to determine whether to draw + // transparently or not. TODO: maybe this should be a new function + // wxWindow::SetTransparency(). Should that apply to the child itself, or the + // parent? + // m_canvas->SetBackgroundColour(m_backgroundBrush.GetColour()); + // + m_pCanvas->SetTransparent(FALSE); + } + } + } + COLORREF vNewColor = m_backgroundBrush.GetColour().GetPixel(); + (void)::GpiSetBackColor((HPS)m_hPS, (LONG)vNewColor); +} // end of wxDC::SetBackground + +void wxDC::SetBackgroundMode( + int nMode +) +{ + m_backgroundMode = nMode; +} // end of wxDC::SetBackgroundMode + +void wxDC::SetLogicalFunction( + int nFunction +) +{ + m_logicalFunction = nFunction; + SetRop((WXHDC)m_hDC); +} // wxDC::SetLogicalFunction + +void wxDC::SetRop( + WXHDC hDC +) +{ + if (!hDC || m_logicalFunction < 0) + return; + + LONG lCRop; + switch (m_logicalFunction) + { + case wxXOR: + lCRop = FM_XOR; + break; + + case wxINVERT: + lCRop = FM_INVERT; + break; + + case wxOR_REVERSE: + lCRop = FM_MERGESRCNOT; + break; + + case wxAND_REVERSE: + lCRop = FM_NOTMASKSRC; + break; + + case wxCLEAR: + lCRop = FM_ONE; + break; + + case wxSET: + lCRop = FM_ZERO; + break; + + case wxSRC_INVERT: + lCRop = FM_MERGENOTSRC; + break; + + case wxOR_INVERT: + lCRop = FM_MERGESRCNOT; + break; + + case wxAND: + lCRop = FM_AND; + break; + + case wxOR: + lCRop = FM_OR; + break; + + case wxAND_INVERT: + lCRop = FM_SUBTRACT; + break; + + case wxEQUIV: + case wxNAND: + case wxCOPY: + default: + lCRop = FM_OVERPAINT; + break; + } + ::GpiSetMix((HPS)hDC, lCRop); +} // end of wxDC::SetRop + +bool wxDC::StartDoc( + const wxString& rsMessage +) +{ + // We might be previewing, so return TRUE to let it continue. + return TRUE; +} // end of wxDC::StartDoc -void wxDC::SetUserScale( double x, double y ) +void wxDC::EndDoc() { - // allow negative ? -> no - m_userScaleX = x; - m_userScaleY = y; - ComputeScaleAndOrigin(); -}; +} // end of wxDC::EndDoc -void wxDC::GetUserScale( double *x, double *y ) +void wxDC::StartPage() { - if (x) *x = m_userScaleX; - if (y) *y = m_userScaleY; -}; +} // end of wxDC::StartPage -void wxDC::SetLogicalScale( double x, double y ) +void wxDC::EndPage() { - // allow negative ? - m_logicalScaleX = x; - m_logicalScaleY = y; - ComputeScaleAndOrigin(); -}; +} // end of wxDC::EndPage -void wxDC::GetLogicalScale( double *x, double *y ) +// --------------------------------------------------------------------------- +// text metrics +// --------------------------------------------------------------------------- + +wxCoord wxDC::GetCharHeight() const { - if (x) *x = m_logicalScaleX; - if (y) *y = m_logicalScaleY; -}; + FONTMETRICS vFM; // metrics structure + + ::GpiQueryFontMetrics( m_hPS + ,sizeof(FONTMETRICS) + ,&vFM + ); + return YDEV2LOGREL(vFM.lXHeight); +} -void wxDC::SetLogicalOrigin( long x, long y ) +wxCoord wxDC::GetCharWidth() const { - m_logicalOriginX = x * m_signX; // is this still correct ? - m_logicalOriginY = y * m_signY; - ComputeScaleAndOrigin(); -}; + FONTMETRICS vFM; // metrics structure -void wxDC::GetLogicalOrigin( long *x, long *y ) + ::GpiQueryFontMetrics( m_hPS + ,sizeof(FONTMETRICS) + ,&vFM + ); + return XDEV2LOGREL(vFM.lAveCharWidth); +} + +void wxDC::DoGetTextExtent( + const wxString& rsString +, wxCoord* pvX +, wxCoord* pvY +, wxCoord* pvDescent +, wxCoord* pvExternalLeading +, wxFont* pTheFont +) const { - if (x) *x = m_logicalOriginX; - if (y) *y = m_logicalOriginY; -}; + 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 + ); -void wxDC::SetDeviceOrigin( long x, long y ) + 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 nMode +) { - m_externalDeviceOriginX = x; - m_externalDeviceOriginY = y; - ComputeScaleAndOrigin(); -}; + int nPixelWidth = 0; + int nPixelHeight = 0; + int nMmWidth = 1; + int nMmHeight = 1; + LONG lArray[CAPS_VERTICAL_RESOLUTION]; + + m_mappingMode = nMode; + + if(::DevQueryCaps( m_hDC + ,CAPS_FAMILY + ,CAPS_VERTICAL_RESOLUTION + ,lArray + )) + { + LONG lHorzRes; + LONG lVertRes; + + nPixelWidth = lArray[CAPS_WIDTH]; + nPixelHeight = lArray[CAPS_HEIGHT]; + lHorzRes = lArray[CAPS_HORIZONTAL_RESOLUTION]; // returns pel/meter + lVertRes = lArray[CAPS_VERTICAL_RESOLUTION]; // returns pel/meter + nMmWidth = (lHorzRes/1000) * nPixelWidth; + nMmWidth = (lVertRes/1000) * nPixelHeight; + } + if ((nPixelWidth == 0) || (nPixelHeight == 0) || (nMmWidth == 0) || (nMmHeight == 0)) + { + return; + } + + double dMm2pixelsX = nPixelWidth/nMmWidth; + double dMm2pixelsY = nPixelHeight/nMmHeight; + + switch (nMode) + { + case wxMM_TWIPS: + m_logicalScaleX = (twips2mm * dMm2pixelsX); + m_logicalScaleY = (twips2mm * dMm2pixelsY); + break; + + case wxMM_POINTS: + m_logicalScaleX = (pt2mm * dMm2pixelsX); + m_logicalScaleY = (pt2mm * dMm2pixelsY); + break; + + case wxMM_METRIC: + m_logicalScaleX = dMm2pixelsX; + m_logicalScaleY = dMm2pixelsY; + break; + + case wxMM_LOMETRIC: + m_logicalScaleX = (dMm2pixelsX/10.0); + m_logicalScaleY = (dMm2pixelsY/10.0); + break; + + case wxMM_TEXT: + default: + m_logicalScaleX = 1.0; + m_logicalScaleY = 1.0; + break; + } + SIZEL vSize; + ULONG ulOptions; -void wxDC::GetDeviceOrigin( long *x, long *y ) + ulOptions = ::GpiQueryPS(m_hPS, &vSize); + if (!ulOptions & PU_ARBITRARY) + { + ulOptions = PU_ARBITRARY | GPIF_DEFAULT; + ::GpiSetPS(m_hPS, &vSize, ulOptions); + } + m_nWindowExtX = (int)MS_XDEV2LOGREL(VIEWPORT_EXTENT); + m_nWindowExtY = (int)MS_YDEV2LOGREL(VIEWPORT_EXTENT); + // ???? +}; // end of wxDC::SetMapMode + +void wxDC::SetUserScale( + double dX +, double dY +) { -// if (x) *x = m_externalDeviceOriginX; -// if (y) *y = m_externalDeviceOriginY; - if (x) *x = m_deviceOriginX; - if (y) *y = m_deviceOriginY; -}; + m_userScaleX = dX; + m_userScaleY = dY; + + SetMapMode(m_mappingMode); +} // end of wxDC::SetUserScale -void wxDC::SetInternalDeviceOrigin( long x, long y ) +void wxDC::SetAxisOrientation( + bool bXLeftRight +, bool bYBottomUp +) { - m_internalDeviceOriginX = x; - m_internalDeviceOriginY = y; - ComputeScaleAndOrigin(); -}; + m_signX = bXLeftRight ? 1 : -1; + m_signY = bYBottomUp ? -1 : 1; + + SetMapMode(m_mappingMode); +} // end of wxDC::SetAxisOrientation -void wxDC::GetInternalDeviceOrigin( long *x, long *y ) +void wxDC::SetSystemScale( + double dX +, double dY +) { - if (x) *x = m_internalDeviceOriginX; - if (y) *y = m_internalDeviceOriginY; -}; + m_scaleX = dX; + m_scaleY = dY; -void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp ) + SetMapMode(m_mappingMode); +} // end of wxDC::SetSystemScale + +void wxDC::SetLogicalOrigin( + wxCoord vX +, wxCoord vY +) { - m_signX = (xLeftRight ? 1 : -1); - m_signY = (yBottomUp ? -1 : 1); - ComputeScaleAndOrigin(); -}; + RECTL vRect; + + ::GpiQueryPageViewport( m_hPS + ,&vRect + ); + vRect.xRight -= vX; + vRect.yTop += vY; + vRect.xLeft = vX; + vRect.yBottom = vY; + ::GpiSetPageViewport( m_hPS + ,&vRect + ); +}; // end of wxDC::SetLogicalOrigin -long wxDC::DeviceToLogicalX(long x) const +void wxDC::SetDeviceOrigin( + wxCoord vX +, wxCoord vY +) { - return XDEV2LOG(x); -}; + RECTL vRect; -long wxDC::DeviceToLogicalY(long y) const + m_deviceOriginX = vX; + m_deviceOriginY = vY; + ::GpiQueryPageViewport( m_hPS + ,&vRect + ); + vRect.xLeft += vX; + vRect.xRight += vX; + vRect.yBottom -= vY; + vRect.yTop -= vY; + ::GpiSetPageViewport( m_hPS + ,&vRect + ); +}; // end of wxDC::SetDeviceOrigin + +// --------------------------------------------------------------------------- +// coordinates transformations +// --------------------------------------------------------------------------- + +wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const { - return YDEV2LOG(y); -}; + return (wxCoord) (((x) - m_deviceOriginX)/(m_logicalScaleX*m_userScaleX*m_signX*m_scaleX) - m_logicalOriginX); +} -long wxDC::DeviceToLogicalXRel(long x) const +wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const { - return XDEV2LOGREL(x); -}; + return (wxCoord) ((x)/(m_logicalScaleX*m_userScaleX*m_signX*m_scaleX)); +} -long wxDC::DeviceToLogicalYRel(long y) const +wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const { - return YDEV2LOGREL(y); -}; + return (wxCoord) (((y) - m_deviceOriginY)/(m_logicalScaleY*m_userScaleY*m_signY*m_scaleY) - m_logicalOriginY); +} -long wxDC::LogicalToDeviceX(long x) const +wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const { - return XLOG2DEV(x); -}; + return (wxCoord) ((y)/(m_logicalScaleY*m_userScaleY*m_signY*m_scaleY)); +} -long wxDC::LogicalToDeviceY(long y) const +wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const { - return YLOG2DEV(y); -}; + return (wxCoord) ((x - m_logicalOriginX)*m_logicalScaleX*m_userScaleX*m_signX*m_scaleX + m_deviceOriginX); +} -long wxDC::LogicalToDeviceXRel(long x) const +wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const { - return XLOG2DEVREL(x); -}; + return (wxCoord) (x*m_logicalScaleX*m_userScaleX*m_signX*m_scaleX); +} -long wxDC::LogicalToDeviceYRel(long y) const +wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const { - return YLOG2DEVREL(y); -}; - -void wxDC::CalcBoundingBox( long x, long y ) + return (wxCoord) ((y - m_logicalOriginY)*m_logicalScaleY*m_userScaleY*m_signY*m_scaleY + m_deviceOriginY); +} + +wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const { - if (x < m_minX) m_minX = x; - if (y < m_minY) m_minY = y; - if (x > m_maxX) m_maxX = x; - if (y > m_maxY) m_maxY = y; -}; + return (wxCoord) (y*m_logicalScaleY*m_userScaleY*m_signY*m_scaleY); +} + +// --------------------------------------------------------------------------- +// bit blit +// --------------------------------------------------------------------------- -void wxDC::ComputeScaleAndOrigin(void) +bool wxDC::DoBlit( + wxCoord vXdest +, wxCoord vYdest +, wxCoord vWidth +, wxCoord vHeight +, wxDC* pSource +, wxCoord vXsrc +, wxCoord vYsrc +, int nRop +, bool bUseMask +, wxCoord vXsrcMask +, wxCoord vYsrcMask +) { - // CMB: copy scale to see if it changes - double origScaleX = m_scaleX; - double origScaleY = m_scaleY; + wxMask* pMask = NULL; + CHARBUNDLE vCbnd; + COLORREF vOldTextColor; + COLORREF vOldBackground = ::GpiQueryBackColor(m_hPS); - m_scaleX = m_logicalScaleX * m_userScaleX; - m_scaleY = m_logicalScaleY * m_userScaleY; + if (bUseMask) + { + const wxBitmap& rBmp = pSource->m_vSelectedBitmap; - m_deviceOriginX = m_internalDeviceOriginX + m_externalDeviceOriginX; - m_deviceOriginY = m_internalDeviceOriginY + m_externalDeviceOriginY; + pMask = rBmp.GetMask(); + if (!(rBmp.Ok() && pMask && pMask->GetMaskBitmap())) + { + bUseMask = FALSE; + } + } - // CMB: if scale has changed call SetPen to recalulate the line width - if (m_scaleX != origScaleX || m_scaleY != origScaleY) - { - // this is a bit artificial, but we need to force wxDC to think - // the pen has changed - wxPen* pen = & GetPen(); - wxPen tempPen; - m_pen = tempPen; - SetPen(* pen); - } -}; + ::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; + HBITMAP hBufBitmap; + SIZEL vSize = {0, 0}; + LONG rc; + + memset(&vBmpHdr, 0, sizeof(BITMAPINFOHEADER2)); + vBmpHdr.cbFix = sizeof(BITMAPINFOHEADER2); + vBmpHdr.cx = vWidth; + vBmpHdr.cy = vHeight; + vBmpHdr.cPlanes = 1; + vBmpHdr.cBitCount = 24; + +#if wxUSE_DC_CACHEING + if (TRUE) + { + // + // create a temp buffer bitmap and DCs to access it and the mask + // + wxDCCacheEntry* pDCCacheEntry1 = FindDCInCache( NULL + ,pSource->GetHPS() + ); + wxDCCacheEntry* pDCCacheEntry2 = FindDCInCache( pDCCacheEntry1 + ,GetHPS() + ); + wxDCCacheEntry* pBitmapCacheEntry = FindBitmapInCache( GetHPS() + ,vWidth + ,vHeight + ); + + hPSMask = pDCCacheEntry1->m_hPS; + hDCBuffer = (HDC)pDCCacheEntry2->m_hPS; + hBufBitmap = (HBITMAP)pBitmapCacheEntry->m_hBitmap; + } + else +#endif + { + 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); + 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); +#if !wxUSE_DC_CACHEING + ::GpiDestroyPS(hPSMask); + ::GpiDestroyPS(hPSBuffer); + ::DevCloseDC(hDCMask); + ::DevCloseDC(hDCBuffer); + ::GpiDeleteBitmap(hBufBitmap); +#endif + 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* pnWidth +, int* pnHeight +) const +{ + LONG lArray[CAPS_HEIGHT]; + + if(::DevQueryCaps( m_hDC + ,CAPS_FAMILY + ,CAPS_HEIGHT + ,lArray + )) + { + *pnWidth = lArray[CAPS_WIDTH]; + *pnHeight = lArray[CAPS_HEIGHT]; + } +}; // end of wxDC::DoGetSize( + +void wxDC::DoGetSizeMM( + int* pnWidth +, int* pnHeight +) const +{ + LONG lArray[CAPS_VERTICAL_RESOLUTION]; + + if(::DevQueryCaps( m_hDC + ,CAPS_FAMILY + ,CAPS_VERTICAL_RESOLUTION + ,lArray + )) + { + int nWidth; + int nHeight; + int nHorzRes; + int nVertRes; + + nWidth = lArray[CAPS_WIDTH]; + nHeight = lArray[CAPS_HEIGHT]; + nHorzRes = lArray[CAPS_HORIZONTAL_RESOLUTION]; // returns pel/meter + nVertRes = lArray[CAPS_VERTICAL_RESOLUTION]; // returns pel/meter + nWidth = (nHorzRes/1000) * nWidth; + nHeight = (nVertRes/1000) * nHeight; + } +}; // end of wxDC::DoGetSizeMM + +wxSize wxDC::GetPPI() const +{ + LONG lArray[CAPS_VERTICAL_RESOLUTION]; + int nWidth; + int nHeight; + + if(::DevQueryCaps( m_hDC + ,CAPS_FAMILY + ,CAPS_VERTICAL_RESOLUTION + ,lArray + )) + { + int nPelWidth; + int nPelHeight; + int nHorzRes; + int nVertRes; + + nPelWidth = lArray[CAPS_WIDTH]; + nPelHeight = lArray[CAPS_HEIGHT]; + nHorzRes = lArray[CAPS_HORIZONTAL_RESOLUTION]; // returns pel/meter + nVertRes = lArray[CAPS_VERTICAL_RESOLUTION]; // returns pel/meter + nWidth = (nHorzRes/39.3) * nPelWidth; + nHeight = (nVertRes/39.3) * nPelHeight; + } + return (wxSize(nWidth,nHeight)); +} // end of wxDC::GetPPI + +void wxDC::SetLogicalScale( + double dX +, double dY +) +{ + m_logicalScaleX = dX; + m_logicalScaleY = dY; +}; // end of wxDC::SetLogicalScale + +#if WXWIN_COMPATIBILITY +void wxDC::DoGetTextExtent(const wxString& string, float *x, float *y, + float *descent, float *externalLeading, + wxFont *theFont, bool use16bit) const +{ + wxCoord x1, y1, descent1, externalLeading1; + GetTextExtent(string, & x1, & y1, & descent1, & externalLeading1, theFont, use16bit); + *x = x1; *y = y1; + if (descent) + *descent = descent1; + if (externalLeading) + *externalLeading = externalLeading1; +} +#endif