ViewState Class Reference

#include <vstate.h>

List of all members.

Public Member Functions

 ViewState ()
virtual ~ViewState ()
WorkCoord SetScrollPos (WorkCoord sp, BOOL fPixelise=TRUE)
 Set the scroll position in WorkCoords for use by DocView and CamView.
WorkCoord GetScrollPos (BOOL Pixelise=TRUE)
 Set the scroll position in WorkCoords for use by DocView and CamView.

Public Attributes

ViewpView
Rect ScreenRect
Rect ParentRect
Rect ViewRect
Coord IconPoint
WorkRect WorkAreaExtent
FIXED16 ViewScale
BOOL IsNewView
BOOL IsMinimised
BOOL IsMaximised
BOOL AlwaysOnTop
BOOL RulersVisible
BOOL ScrollersVisible
INT32 zPos
BOOL _GridShow: 1
BOOL _GridSnap: 1
BOOL _ObjectsSnap: 1
BOOL _MagObjectsSnap: 1
BOOL _PrintBorderShow: 1
BOOL _LogicalView: 1
BOOL _GuidesSnap: 1
BOOL _GuidesShow: 1

Protected Attributes

WorkCoord ScrollPosition


Detailed Description

Definition at line 116 of file vstate.h.


Constructor & Destructor Documentation

ViewState::ViewState  ) 
 

Definition at line 112 of file vstate.cpp.

00113 {
00114     // Set all the params to defaults
00115     pView = NULL;
00116 
00117     // Make all rects empty
00118     ScreenRect.MakeEmpty();
00119     ParentRect.MakeEmpty();
00120     ViewRect.MakeEmpty();
00121     WorkAreaExtent.MakeEmpty();
00122     IconPoint = Coord(0,0);
00123 
00124     ViewScale = 0;
00125     zPos = 0;
00126     
00127     IsNewView = TRUE;
00128     IsMinimised = FALSE;
00129     IsMaximised = FALSE;
00130     AlwaysOnTop = FALSE;
00131     RulersVisible = FALSE;
00132     ScrollersVisible = TRUE;
00133     ScrollPosition = WorkCoord(0,0);
00134 
00135     _GridShow = _GridSnap = _ObjectsSnap = _MagObjectsSnap = _PrintBorderShow = FALSE;
00136     _LogicalView = _GuidesSnap = _GuidesShow = FALSE;
00137 }

ViewState::~ViewState  )  [virtual]
 

Definition at line 141 of file vstate.cpp.

00142 {
00143     // empty
00144 }


Member Function Documentation

WorkCoord ViewState::GetScrollPos BOOL  Pixelise = TRUE  ) 
 

Set the scroll position in WorkCoords for use by DocView and CamView.

Author:
Phil_Martin (Xara Group Ltd) <camelotdev@xara.com>
Date:
09/11/94
Parameters:
None [INPUTS]
None [OUTPUTS]
Returns:
Scroll position

Errors: None

Definition at line 217 of file vstate.cpp.

00218 {
00219     ERROR3IF(!Pixelise, "ViewState::GetScrollPos called with Pixelise = FALSE");
00220     return(ScrollPosition);
00221 
00222 #if FALSE
00223     WorkCoord temp = ScrollPosition;
00224 
00225     // If we have a NULL view, return quietly, cos this is probably in 
00226     // some rendering code.
00227     if (Pixelise)
00228     {
00229         FIXED16 PixelWidth, PixelHeight;    
00230         ERROR2IF(pView == NULL, temp, "No attached view in ViewState::GetScrollPos");
00231         pView->GetPixelSize(&PixelWidth, &PixelHeight);
00232     
00233         INT32 pw = PixelWidth.MakeLong();
00234         INT32 ph = PixelHeight.MakeLong();
00235 
00236         if (temp.x < 0) temp.x -= (pw - 1);         // Overcome the flooring of negative values
00237         if (temp.y < 0) temp.y -= (ph - 1);         // towards 0 by the upcoming divisions...
00238 
00239         temp.x = (temp.x / pw) * pw;
00240         temp.y = (temp.y / ph) * ph;
00241     }
00242     return temp;
00243 #endif
00244 }

WorkCoord ViewState::SetScrollPos WorkCoord  sp,
BOOL  fPixelise = TRUE
 

Set the scroll position in WorkCoords for use by DocView and CamView.

Author:
Phil_Martin (Xara Group Ltd) <camelotdev@xara.com>
Date:
09/11/94
Parameters:
New scroll position and whether to pixelise it. [INPUTS]
Pixelised scroll position. [OUTPUTS]
Returns:
None

Errors: None

Definition at line 162 of file vstate.cpp.

00163 {
00164     ERROR3IF(!fPixelise, "ViewState::SetScrollPos called with Pixelise = FALSE");
00165 
00166 //  TRACE( _T("VS::SetScrollPos(%d, %d)\n"), (INT32)(sp.x), (INT32)(sp.y));
00167 
00168     FIXED16 PixelWidth, PixelHeight;    
00169     ERROR2IF(pView == NULL, ScrollPosition, "No attached view in ViewState::SetScrollPos");
00170     pView->GetPixelSize(&PixelWidth, &PixelHeight);
00171 
00172     INT32 pw = PixelWidth.MakeLong();
00173     INT32 ph = PixelHeight.MakeLong();
00174 
00175     if (sp.x < 0) sp.x -= (pw - 1);         // Overcome the flooring of negative values
00176     if (sp.y < 0) sp.y -= (ph - 1);         // towards 0 by the upcoming divisions...
00177 
00178     ScrollPosition.x = (sp.x / pw) * pw;
00179     ScrollPosition.y = (sp.y / ph) * ph;
00180 
00181     return ScrollPosition;
00182 }


Member Data Documentation

BOOL ViewState::_GridShow
 

Definition at line 160 of file vstate.h.

BOOL ViewState::_GridSnap
 

Definition at line 161 of file vstate.h.

BOOL ViewState::_GuidesShow
 

Definition at line 167 of file vstate.h.

BOOL ViewState::_GuidesSnap
 

Definition at line 166 of file vstate.h.

BOOL ViewState::_LogicalView
 

Definition at line 165 of file vstate.h.

BOOL ViewState::_MagObjectsSnap
 

Definition at line 163 of file vstate.h.

BOOL ViewState::_ObjectsSnap
 

Definition at line 162 of file vstate.h.

BOOL ViewState::_PrintBorderShow
 

Definition at line 164 of file vstate.h.

BOOL ViewState::AlwaysOnTop
 

Definition at line 152 of file vstate.h.

Coord ViewState::IconPoint
 

Definition at line 138 of file vstate.h.

BOOL ViewState::IsMaximised
 

Definition at line 151 of file vstate.h.

BOOL ViewState::IsMinimised
 

Definition at line 150 of file vstate.h.

BOOL ViewState::IsNewView
 

Definition at line 149 of file vstate.h.

Rect ViewState::ParentRect
 

Definition at line 135 of file vstate.h.

View* ViewState::pView
 

Definition at line 132 of file vstate.h.

BOOL ViewState::RulersVisible
 

Definition at line 153 of file vstate.h.

Rect ViewState::ScreenRect
 

Definition at line 134 of file vstate.h.

BOOL ViewState::ScrollersVisible
 

Definition at line 154 of file vstate.h.

WorkCoord ViewState::ScrollPosition [protected]
 

Definition at line 175 of file vstate.h.

Rect ViewState::ViewRect
 

Definition at line 136 of file vstate.h.

FIXED16 ViewState::ViewScale
 

Definition at line 147 of file vstate.h.

WorkRect ViewState::WorkAreaExtent
 

Definition at line 140 of file vstate.h.

INT32 ViewState::zPos
 

Definition at line 155 of file vstate.h.


The documentation for this class was generated from the following files:
Generated on Sat Nov 10 04:03:00 2007 for Camelot by  doxygen 1.4.4