Correct bounding box calculation in wxGTK wxDC::DrawText().

[wxWidgets.git] / src / gtk / dc.cpp

diff --git a/src/gtk/dc.cpp b/src/gtk/dc.cpp
index 8264117512b56f1f0ced133f5831efc25d297fb9..5998f8b674405c587faeb51587bce7741d22dc9b 100644 (file)
--- a/src/gtk/dc.cpp
+++ b/src/gtk/dc.cpp
@@ -10,34 +10,29 @@
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
-#include "wx/dc.h"
+#include "wx/gtk/dc.h"
 
 //-----------------------------------------------------------------------------
-// wxDC
+// wxGTKDCImpl
 //-----------------------------------------------------------------------------
 
-IMPLEMENT_ABSTRACT_CLASS(wxDC, wxDCBase)
+IMPLEMENT_ABSTRACT_CLASS(wxGTKDCImpl, wxDCImpl)
 
-wxDC::wxDC()
+wxGTKDCImpl::wxGTKDCImpl( wxDC *owner )
+   : wxDCImpl( owner )
 {
     m_ok = FALSE;
 
-    m_mm_to_pix_x = (double)wxGetDisplaySize().GetWidth() /
-                    (double)wxGetDisplaySizeMM().GetWidth();
-    m_mm_to_pix_y = (double)wxGetDisplaySize().GetHeight() /
-                    (double)wxGetDisplaySizeMM().GetHeight();
-
-    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;
@@ -50,139 +45,18 @@ void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord hei
 // get DC capabilities
 // ---------------------------------------------------------------------------
 
-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 );
+    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
-// ---------------------------------------------------------------------------
-
-wxCoord wxDC::DeviceToLogicalX(wxCoord x) const
-{
-    return wxRound((x - m_deviceOriginX) / m_scaleX) * m_signX + m_logicalOriginX;
-}
-
-wxCoord wxDC::DeviceToLogicalY(wxCoord y) const
-{
-    return wxRound((y - m_deviceOriginY) / m_scaleY) * m_signY + m_logicalOriginY;
-}
-
-wxCoord wxDC::DeviceToLogicalXRel(wxCoord x) const
-{
-    return wxRound(x / m_scaleX);
-}
-
-wxCoord wxDC::DeviceToLogicalYRel(wxCoord y) const
-{
-    return wxRound(y / m_scaleY);
-}
-
-wxCoord wxDC::LogicalToDeviceX(wxCoord x) const
-{
-    return wxRound((x - m_logicalOriginX) * m_scaleX) * m_signX + m_deviceOriginX;
-}
-
-wxCoord wxDC::LogicalToDeviceY(wxCoord y) const
-{
-    return wxRound((y - m_logicalOriginY) * m_scaleY) * m_signY + m_deviceOriginY;
-}
-
-wxCoord wxDC::LogicalToDeviceXRel(wxCoord x) const
-{
-    return wxRound(x * m_scaleX);
-}
-
-wxCoord wxDC::LogicalToDeviceYRel(wxCoord y) const
-{
-    return wxRound(y * m_scaleY);
-}
-
-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();
-}