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EXAMPLES
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IDRAW
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DRAWINGV.H
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C/C++ Source or Header
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1980-01-05
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103 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: drawingview.h,v 1.11 89/10/09 14:47:53 linton Exp $
// declares class DrawingView.
#ifndef drawingview_h
#define drawingview_h
#include <InterViews/Graphic/grblock.h>
// Declare imported types.
class Damage;
class Page;
class Rubberband;
class Selection;
class SelectionList;
class State;
class TextEdit;
// A DrawingView displays the user's drawing.
class DrawingView : public GraphicBlock {
public:
DrawingView(Page*);
~DrawingView();
void SetSelectionList(SelectionList*);
void SetState(State*);
void SetTools(Interactor*);
void Draw();
void Handle(Event&);
void Manipulate(
Event&, Rubberband*, int, boolean constrain=true, boolean erase=true
);
void Edit(Event&, TextEdit*, Graphic* = nil);
void DrawHandles();
void RedrawHandles();
void EraseHandles();
void EraseExcessHandles(SelectionList*);
void ErasePickedHandles(Selection*);
void ErasePickedHandles(SelectionList*);
void EraseUngraspedHandles(Selection*);
void ResetAllHandles();
void Added();
void Damaged();
void Repair();
void Magnify(Coord, Coord, Coord, Coord);
void Reduce();
void Enlarge();
void NormalSize();
void ReduceToFit();
void CenterPage();
protected:
void Reconfig();
void Redraw(Coord, Coord, Coord, Coord);
void Resize();
float LimitMagnification(float);
void StartTextEditing(Event&, TextEdit*, Graphic*);
void EndTextEditing();
void RedrawTextEditor();
Damage* damage; // keeps track of damaged areas of drawing
Graphic* gs; // remembers text being edited
Page* page; // snaps points to grid
Painter* rasterxor; // stores painter with which to draw handles
SelectionList* sl; // lists current Selections
State* state; // stores Graphic and nonGraphic attributes
TextEdit* textedit; // redraws in-place texteditor if necessary
Interactor* tools; // handles events
};
#endif