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SLPICT.H
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C/C++ Source or Header
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1980-01-05
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163 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: slpict.h,v 1.10 89/10/09 14:49:37 linton Exp $
// declares class PictSelection.
#ifndef slpict_h
#define slpict_h
#include "selection.h"
// Declare imported types.
class IFont;
class IFontList;
// A PictSelection contains other Selections.
class PictSelection : public Selection {
public:
PictSelection(Graphic* = nil);
PictSelection(FILE*, State*);
Graphic* Copy();
boolean HasChildren();
void Propagate();
boolean Valid();
boolean WritePicture(FILE*, State*, boolean);
Selection* GetCurrent();
Selection* First();
Selection* Last();
Selection* Next();
Selection* Prev();
Selection* FirstSelectionContaining(PointObj&);
Selection* LastSelectionContaining(PointObj&);
int SelectionsContaining(PointObj&, Selection**&);
Selection* FirstSelectionIntersecting(BoxObj&);
Selection* LastSelectionIntersecting(BoxObj&);
int SelectionsIntersecting(BoxObj&, Selection**&);
Selection* FirstSelectionWithin(BoxObj&);
Selection* LastSelectionWithin(BoxObj&);
int SelectionsWithin(BoxObj&, Selection**&);
protected:
PictSelection(istream&, State*);
void ReadChildren(istream&, State*);
void WritePicture(ostream&, State*, boolean);
void WriteComments(ostream&);
void WritePrologue(ostream&);
void WriteDrawing(ostream&);
void WriteData(ostream&);
void WriteTrailer(ostream&);
void ScaleToPostscriptCoords();
void ScaleToScreenCoords();
void CollectFonts(IFontList*);
void Merge(IFont*, IFontList*);
boolean valid; // true if creation of PictSelection succeeded
};
// Define inline access functions to get members' values.
inline boolean PictSelection::Valid () {
return valid;
}
// Cast these functions to return Selections instead of Graphics.
inline Selection* PictSelection::GetCurrent() {
return (Selection*) Picture::GetCurrent();
}
inline Selection* PictSelection::First() {
return (Selection*) Picture::First();
}
inline Selection* PictSelection::Last() {
return (Selection*) Picture::Last();
}
inline Selection* PictSelection::Next() {
return (Selection*) Picture::Next();
}
inline Selection* PictSelection::Prev() {
return (Selection*) Picture::Prev();
}
inline Selection* PictSelection::FirstSelectionContaining(PointObj& p) {
return (Selection*) Picture::FirstGraphicContaining(p);
}
inline Selection* PictSelection::LastSelectionContaining(PointObj& p) {
return (Selection*) Picture::LastGraphicContaining(p);
}
inline int PictSelection::SelectionsContaining(PointObj& p, Selection**& ss) {
Graphic** gg = nil;
int num = Picture::GraphicsContaining(p, gg);
ss = (Selection**) gg;
return num;
}
inline Selection* PictSelection::FirstSelectionIntersecting(BoxObj& b) {
return (Selection*) Picture::FirstGraphicIntersecting(b);
}
inline Selection* PictSelection::LastSelectionIntersecting(BoxObj& b) {
return (Selection*) Picture::LastGraphicIntersecting(b);
}
inline int PictSelection::SelectionsIntersecting(BoxObj& b, Selection**& ss) {
Graphic** gg = nil;
int num = Picture::GraphicsIntersecting(b, gg);
ss = (Selection**) gg;
return num;
}
inline Selection* PictSelection::FirstSelectionWithin(BoxObj& b) {
return (Selection*) Picture::FirstGraphicWithin(b);
}
inline Selection* PictSelection::LastSelectionWithin(BoxObj& b) {
return (Selection*) Picture::LastGraphicWithin(b);
}
inline int PictSelection::SelectionsWithin(BoxObj& b, Selection**& ss) {
Graphic** gg = nil;
int num = Picture::GraphicsWithin(b, gg);
ss = (Selection**) gg;
return num;
}
#endif