X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/071a2d78147df569d57b1ef138ab126a586b594d..efaf78653583fb1c3d6ef691d47350018ce47c2b:/src/gtk/dc.cpp diff --git a/src/gtk/dc.cpp b/src/gtk/dc.cpp index da0b27c97a..af0f5a57c9 100644 --- a/src/gtk/dc.cpp +++ b/src/gtk/dc.cpp @@ -1,57 +1,38 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: dc.cpp +// Name: src/gtk/dc.cpp // Purpose: // Author: Robert Roebling // RCS-ID: $Id$ -// Copyright: (c) 1998 Robert Roebling, Markus Holzem +// Copyright: (c) 1998 Robert Roebling // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" -#ifdef __GNUG__ - #pragma implementation "dc.h" -#endif - -#include "wx/dc.h" - -#include -#include +#include "wx/gtk/dc.h" //----------------------------------------------------------------------------- -// constants +// wxGTKDCImpl //----------------------------------------------------------------------------- -#define mm2inches 0.0393700787402 -#define inches2mm 25.4 -#define mm2twips 56.6929133859 -#define twips2mm 0.0176388888889 -#define mm2pt 2.83464566929 -#define pt2mm 0.352777777778 - -//----------------------------------------------------------------------------- -// wxDC -//----------------------------------------------------------------------------- +IMPLEMENT_ABSTRACT_CLASS(wxGTKDCImpl, wxDCImpl) -IMPLEMENT_ABSTRACT_CLASS(wxDC, wxDCBase) - -wxDC::wxDC() +wxGTKDCImpl::wxGTKDCImpl( wxDC *owner ) + : wxDCImpl( owner ) { m_ok = FALSE; - m_mm_to_pix_x = 1.0; - m_mm_to_pix_y = 1.0; - - m_needComputeScaleX = FALSE; /* not used yet */ - m_needComputeScaleY = FALSE; /* not used yet */ - - m_logicalFunction = wxCOPY; - m_pen = *wxBLACK_PEN; m_font = *wxNORMAL_FONT; m_brush = *wxWHITE_BRUSH; } -void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height ) +wxGTKDCImpl::~wxGTKDCImpl() +{ +} + +void wxGTKDCImpl::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height ) { m_clipping = TRUE; m_clipX1 = x; @@ -60,159 +41,22 @@ void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord hei m_clipY2 = y + height; } -void wxDC::DestroyClippingRegion() -{ - m_clipping = FALSE; -} - // --------------------------------------------------------------------------- // get DC capabilities // --------------------------------------------------------------------------- -void wxDC::DoGetSize( int* width, int* height ) const -{ - if (width) *width = m_maxX-m_minX; - if (height) *height = m_maxY-m_minY; -} - -void wxDC::DoGetSizeMM( int* width, int* height ) const +void wxGTKDCImpl::DoGetSizeMM( int* width, int* height ) const { int w = 0; int h = 0; - GetSize( &w, &h ); - 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) ); + GetOwner()->GetSize( &w, &h ); + if (width) *width = int( double(w) / (m_userScaleX*m_mm_to_pix_x) ); + if (height) *height = int( double(h) / (m_userScaleY*m_mm_to_pix_y) ); } // Resolution in pixels per logical inch -wxSize wxDC::GetPPI() const +wxSize wxGTKDCImpl::GetPPI() const { // TODO (should probably be pure virtual) return wxSize(0, 0); } - -// --------------------------------------------------------------------------- -// set various DC parameters -// --------------------------------------------------------------------------- - -void wxDC::ComputeScaleAndOrigin() -{ - m_scaleX = m_logicalScaleX * m_userScaleX; - m_scaleY = m_logicalScaleY * m_userScaleY; -} - -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; - } - m_mappingMode = mode; - -/* we don't do this mega optimisation - if (mode != wxMM_TEXT) - { - m_needComputeScaleX = TRUE; - m_needComputeScaleY = TRUE; - } -*/ -} - -void wxDC::SetUserScale( double x, double y ) -{ - // allow negative ? -> no - m_userScaleX = x; - m_userScaleY = y; - ComputeScaleAndOrigin(); -} - -void wxDC::SetLogicalScale( double x, double y ) -{ - // allow negative ? - m_logicalScaleX = x; - m_logicalScaleY = y; - ComputeScaleAndOrigin(); -} - -void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y ) -{ - m_logicalOriginX = x * m_signX; // is this still correct ? - m_logicalOriginY = y * m_signY; - ComputeScaleAndOrigin(); -} - -void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y ) -{ - // only wxPostScripDC has m_signX = -1, we override SetDeviceOrigin there - m_deviceOriginX = x; - m_deviceOriginY = y; - ComputeScaleAndOrigin(); -} - -void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp ) -{ - // only wxPostScripDC has m_signX = -1, we override SetAxisOrientation there - m_signX = (xLeftRight ? 1 : -1); - m_signY = (yBottomUp ? -1 : 1); - ComputeScaleAndOrigin(); -} - -// --------------------------------------------------------------------------- -// coordinates transformations -// --------------------------------------------------------------------------- - -wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const -{ - return ((wxDC *)this)->XDEV2LOG(x); -} - -wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const -{ - return ((wxDC *)this)->YDEV2LOG(y); -} - -wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const -{ - return ((wxDC *)this)->XDEV2LOGREL(x); -} - -wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const -{ - return ((wxDC *)this)->YDEV2LOGREL(y); -} - -wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const -{ - return ((wxDC *)this)->XLOG2DEV(x); -} - -wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const -{ - return ((wxDC *)this)->YLOG2DEV(y); -} - -wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const -{ - return ((wxDC *)this)->XLOG2DEVREL(x); -} - -wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const -{ - return ((wxDC *)this)->YLOG2DEVREL(y); -} -