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EXAMPLES
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IDRAW
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STATE.H
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C/C++ Source or Header
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1980-01-05
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133 lines
/*
* Copyright (c) 1987, 1988, 1989 Stanford University
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Stanford not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. Stanford makes no representations about
* the suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* STANFORD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
* IN NO EVENT SHALL STANFORD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
// $Header: state.h,v 1.11 90/01/25 16:27:29 interran Exp $
// declares class State.
#ifndef state_h
#define state_h
#include <InterViews/defs.h>
// Declare imported types.
class Graphic;
class IBrush;
class IColor;
class IFont;
class IPattern;
class Interactor;
class InteractorList;
class MapIBrush;
class MapIColor;
class MapIFont;
class MapIPattern;
class Page;
class Transformer;
// A State stores state information about the user's drawing and paint
// attributes to be used when creating new Selections.
enum ModifStatus {
ReadOnly, // no modifications to drawing allowed
Unmodified, // no modifications have been made yet
Modified // at least one modification has been made
};
class State {
public:
State(Interactor*, Page*);
~State();
void Constrain(Coord&, Coord&);
void ToggleOrientation();
IBrush* GetBrush();
IColor* GetFgColor();
IColor* GetBgColor();
const char* GetDrawingName();
boolean GetFillBg();
IFont* GetFont();
Graphic* GetGraphicGS();
boolean GetGridGravity();
double GetGridSpacing(boolean = false);
boolean GetGridVisibility();
int GetLineHt();
float GetMagnif();
MapIBrush* GetMapIBrush();
MapIColor* GetMapIFgColor();
MapIColor* GetMapIBgColor();
MapIFont* GetMapIFont();
MapIPattern* GetMapIPattern();
ModifStatus GetModifStatus();
IPattern* GetPattern();
Graphic* GetTextGS();
Painter* GetTextPainter();
void SetBrush(IBrush*);
void SetFgColor(IColor*);
void SetBgColor(IColor*);
void SetDrawingName(const char*);
void SetFillBg(boolean);
void SetFont(IFont*);
void SetGraphicT(Transformer&);
void SetGridGravity(boolean);
void SetGridSpacing(double, boolean = false);
void SetGridVisibility(boolean);
void SetMagnif(float);
void SetModifStatus(ModifStatus);
void SetPattern(IPattern*);
void SetTextGS(Coord, Coord, Painter*);
void SetTextGS(Graphic*, Painter*);
void Attach(Interactor*);
void Detach(Interactor*);
void UpdateViews();
protected:
char* drawingname; // stores drawing's filename
Graphic* graphicstate; // stores all attributes for creating graphics
Transformer* graphicstate_t;// stores matrix for creating graphics
boolean gridding; // stores true if grid will constrain points
float magnif; // stores drawing view's magnification factor
MapIBrush* mapibrush; // stores list of possible brushes
MapIColor* mapifgcolor; // stores list of possible fg colors
MapIColor* mapibgcolor; // stores list of possible bg colors
MapIFont* mapifont; // stores list of possible fonts
MapIPattern* mapipattern; // stores list of possible patterns
ModifStatus modifstatus; // stores drawing's modification status
Page* page; // stores all grid attributes
Graphic* textgs; // stores all attributes for creating text
Transformer* textgs_t; // stores matrix for creating text
Painter* textpainter; // stores all attributes for editing text
Transformer* textpainter_t; // stores matrix for editing text
float textx; // stores last place text was being edited
float texty; // stores last place text was being edited
int lineHt; // stores spacing between lines of text
InteractorList* viewlist; // stores list of views to notify
};
#endif