X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2d120f8391920145647ec10e84629bc21fa9f1bb..f9c240ec1e568d34f861dad705f6074ed2c1dac2:/src/motif/dc.cpp diff --git a/src/motif/dc.cpp b/src/motif/dc.cpp index bd526de291..884ac2e7e6 100644 --- a/src/motif/dc.cpp +++ b/src/motif/dc.cpp @@ -1,266 +1,135 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: dc.cpp +// Name: src/motif/dc.cpp // Purpose: wxDC class // Author: Julian Smart // Modified by: // Created: 01/02/97 // RCS-ID: $Id$ // Copyright: (c) Julian Smart -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "dc.h" -#endif +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" #include "wx/dc.h" -#include "wx/dcmemory.h" -#if !USE_SHARED_LIBRARY -IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject) +#ifndef WX_PRECOMP + #include "wx/dcmemory.h" #endif -//----------------------------------------------------------------------------- -// constants -//----------------------------------------------------------------------------- - -#define mm2inches 0.0393700787402 -#define inches2mm 25.4 -#define mm2twips 56.6929133859 -#define twips2mm 0.0176388888889 -#define mm2pt 2.83464566929 -#define pt2mm 0.352777777778 +IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject) //----------------------------------------------------------------------------- // wxDC //----------------------------------------------------------------------------- -wxDC::wxDC(void) +wxDC::wxDC() { - m_ok = FALSE; - m_optimize = FALSE; - m_colour = TRUE; - m_clipping = FALSE; - + m_ok = 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 = MM_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_isInteractive = FALSE; - - // m_palette = wxAPP_COLOURMAP; -}; - -wxDC::~wxDC(void) -{ -}; -void wxDC::DrawIcon( const wxIcon &WXUNUSED(icon), long WXUNUSED(x), long WXUNUSED(y)) + m_isInteractive = false; +} + +void wxDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y) { -}; + wxCHECK_RET( Ok(), "invalid dc" ); + wxCHECK_RET( icon.Ok(), "invalid icon" ); -void wxDC::DrawBitmap( const wxBitmap& bitmap, long x, long y, bool useMask ) + DoDrawBitmap(icon, x, y, true); +} + +void wxDC::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask ) { - if (!bitmap.Ok()) - return; - + wxCHECK_RET( bitmap.Ok(), "invalid bitmap" ); + wxMemoryDC memDC; memDC.SelectObject(bitmap); - - /* Not sure if we need this. The mask should leave the - * masked areas as per the original background of this DC. + +#if 0 + // Not sure if we need this. The mask should leave the masked areas as per + // the original background of this DC. if (useMask) { - // There might be transparent areas, so make these - // the same colour as this DC - memDC.SetBackground(* GetBackground()); - memDC.Clear(); + // There might be transparent areas, so make these the same colour as this + // DC + memDC.SetBackground(* GetBackground()); + memDC.Clear(); } - */ - - Blit(x, y, bitmap.GetWidth(), bitmap.GetHeight(), & memDC, 0, 0, wxCOPY, useMask); - - memDC.SelectObject(wxNullBitmap); -}; - +#endif // 0 -void wxDC::DrawPoint( wxPoint& point ) -{ - DrawPoint( point.x, point.y ); -}; + Blit(x, y, bitmap.GetWidth(), bitmap.GetHeight(), &memDC, 0, 0, wxCOPY, useMask); -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 ); -}; + memDC.SelectObject(wxNullBitmap); +} -void wxDC::SetClippingRegion( long x, long y, long width, long height ) +void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height ) { - m_clipping = TRUE; + m_clipping = true; m_clipX1 = x; m_clipY1 = y; m_clipX2 = x + width; m_clipY2 = y + height; -}; +} -void wxDC::DestroyClippingRegion(void) +void wxDC::DoGetSize( int* width, int* height ) const { - m_clipping = FALSE; -}; + if ( width ) + *width = m_maxX - m_minX; + if ( height ) + *height = m_maxY - m_minY; +} -void wxDC::GetClippingBox( long *x, long *y, long *width, long *height ) const +void wxDC::DoGetSizeMM( int* width, int* 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; + int w, h; 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; -}; + if ( width ) + *width = int( double(w) / (m_scaleX*m_mm_to_pix_x) ); + if ( height ) + *height = int( double(h) / (m_scaleY*m_mm_to_pix_y) ); +} -void wxDC::SetTextBackground( const wxColour &col ) +// Resolution in pixels per logical inch +wxSize wxDC::GetPPI() const { - if (!Ok()) return; - m_textBackgroundColour = col; -}; + // TODO (should probably be pure virtual) + return wxSize(0, 0); +} void wxDC::SetMapMode( int mode ) { - switch (mode) + switch (mode) { - case MM_TWIPS: + case wxMM_TWIPS: SetLogicalScale( twips2mm*m_mm_to_pix_x, twips2mm*m_mm_to_pix_y ); break; - case MM_POINTS: + case wxMM_POINTS: SetLogicalScale( pt2mm*m_mm_to_pix_x, pt2mm*m_mm_to_pix_y ); break; - case MM_METRIC: + case wxMM_METRIC: SetLogicalScale( m_mm_to_pix_x, m_mm_to_pix_y ); break; - case MM_LOMETRIC: + case wxMM_LOMETRIC: SetLogicalScale( m_mm_to_pix_x/10.0, m_mm_to_pix_y/10.0 ); break; default: - case MM_TEXT: + case wxMM_TEXT: SetLogicalScale( 1.0, 1.0 ); break; - }; - if (mode != MM_TEXT) + } + if (mode != wxMM_TEXT) { - m_needComputeScaleX = TRUE; - m_needComputeScaleY = TRUE; - }; -}; + m_needComputeScaleX = true; + m_needComputeScaleY = true; + } +} void wxDC::SetUserScale( double x, double y ) { @@ -268,13 +137,7 @@ void wxDC::SetUserScale( double x, double y ) m_userScaleX = x; m_userScaleY = y; ComputeScaleAndOrigin(); -}; - -void wxDC::GetUserScale( double *x, double *y ) -{ - if (x) *x = m_userScaleX; - if (y) *y = m_userScaleY; -}; +} void wxDC::SetLogicalScale( double x, double y ) { @@ -282,131 +145,72 @@ void wxDC::SetLogicalScale( double x, double y ) m_logicalScaleX = x; m_logicalScaleY = y; ComputeScaleAndOrigin(); -}; - -void wxDC::GetLogicalScale( double *x, double *y ) -{ - if (x) *x = m_logicalScaleX; - if (y) *y = m_logicalScaleY; -}; +} -void wxDC::SetLogicalOrigin( long x, long y ) +void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y ) { m_logicalOriginX = x * m_signX; // is this still correct ? m_logicalOriginY = y * m_signY; ComputeScaleAndOrigin(); -}; - -void wxDC::GetLogicalOrigin( long *x, long *y ) -{ - if (x) *x = m_logicalOriginX; - if (y) *y = m_logicalOriginY; -}; +} -void wxDC::SetDeviceOrigin( long x, long y ) +void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y ) { - m_externalDeviceOriginX = x; - m_externalDeviceOriginY = y; + // only wxPostScripDC has m_signX = -1, we override SetDeviceOrigin there + m_deviceOriginX = x; + m_deviceOriginY = y; ComputeScaleAndOrigin(); -}; - -void wxDC::GetDeviceOrigin( long *x, long *y ) -{ - // if (x) *x = m_externalDeviceOriginX; - // if (y) *y = m_externalDeviceOriginY; - if (x) *x = m_deviceOriginX; - if (y) *y = m_deviceOriginY; -}; - -void wxDC::SetInternalDeviceOrigin( long x, long y ) -{ - m_internalDeviceOriginX = x; - m_internalDeviceOriginY = y; - ComputeScaleAndOrigin(); -}; - -void wxDC::GetInternalDeviceOrigin( long *x, long *y ) -{ - if (x) *x = m_internalDeviceOriginX; - if (y) *y = m_internalDeviceOriginY; -}; +} void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp ) { - m_signX = (xLeftRight ? 1 : -1); - m_signY = (yBottomUp ? -1 : 1); + m_signX = xLeftRight ? 1 : -1; + m_signY = yBottomUp ? -1 : 1; ComputeScaleAndOrigin(); -}; - -long wxDC::DeviceToLogicalX(long x) const -{ - return XDEV2LOG(x); -}; +} -long wxDC::DeviceToLogicalY(long y) const +wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const { - return YDEV2LOG(y); -}; + return ((wxDC *)this)->XDEV2LOG(x); +} -long wxDC::DeviceToLogicalXRel(long x) const +wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const { - return XDEV2LOGREL(x); -}; + return ((wxDC *)this)->YDEV2LOG(y); +} -long wxDC::DeviceToLogicalYRel(long y) const +wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const { - return YDEV2LOGREL(y); -}; + return ((wxDC *)this)->XDEV2LOGREL(x); +} -long wxDC::LogicalToDeviceX(long x) const +wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const { - return XLOG2DEV(x); -}; + return ((wxDC *)this)->YDEV2LOGREL(y); +} -long wxDC::LogicalToDeviceY(long y) const +wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const { - return YLOG2DEV(y); -}; + return ((wxDC *)this)->XLOG2DEV(x); +} -long wxDC::LogicalToDeviceXRel(long x) const +wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const { - return XLOG2DEVREL(x); -}; + return ((wxDC *)this)->YLOG2DEV(y); +} -long wxDC::LogicalToDeviceYRel(long y) const +wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const { - return YLOG2DEVREL(y); -}; + return ((wxDC *)this)->XLOG2DEVREL(x); +} -void wxDC::CalcBoundingBox( long x, long y ) +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 ((wxDC *)this)->YLOG2DEVREL(y); +} -void wxDC::ComputeScaleAndOrigin(void) +void wxDC::ComputeScaleAndOrigin() { - // CMB: copy scale to see if it changes - double origScaleX = m_scaleX; - double origScaleY = m_scaleY; - m_scaleX = m_logicalScaleX * m_userScaleX; m_scaleY = m_logicalScaleY * m_userScaleY; - - m_deviceOriginX = m_internalDeviceOriginX + m_externalDeviceOriginX; - m_deviceOriginY = m_internalDeviceOriginY + m_externalDeviceOriginY; - - // 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); - } -}; - +}