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INTERVIE
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GRAPHIC
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PPAINT.H
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C/C++ Source or Header
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1991-12-10
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5KB
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175 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.
*/
/*
* Persistent graphics attributes.
*/
#ifndef ppaint_h
#define ppaint_h
#include <InterViews/defs.h>
#include <InterViews/paint.h>
#include <InterViews/Graphic/objman.h>
#include <InterViews/Graphic/pfile.h>
#include <InterViews/Graphic/persistent.h>
#include <InterViews/Graphic/ref.h>
#include <InterViews/Graphic/reflist.h>
class PColor : public Persistent {
public:
PColor();
PColor(ColorIntensity r, ColorIntensity g, ColorIntensity b);
PColor(const char*);
~PColor();
int PixelValue ();
void Intensities(ColorIntensity& r, ColorIntensity& g, ColorIntensity& b);
boolean Valid ();
operator Color*();
virtual ClassId GetClassId();
virtual boolean IsA(ClassId);
protected:
virtual boolean read(PFile*);
virtual boolean write(PFile*);
protected:
Color* value;
};
class PPattern : public Persistent {
public:
PPattern();
PPattern(int p[patternHeight]);
PPattern(int dither);
~PPattern();
operator Pattern*();
virtual ClassId GetClassId();
virtual boolean IsA(ClassId);
protected:
virtual boolean read(PFile*);
virtual boolean write(PFile*);
protected:
int data [patternHeight];
Pattern* value;
};
static const int NO_WIDTH = -1;
class PBrush : public Persistent {
public:
PBrush();
PBrush(int p, int w = 1);
~PBrush();
int Width();
operator Brush*();
virtual ClassId GetClassId();
virtual boolean IsA(ClassId);
protected:
virtual boolean read(PFile*);
virtual boolean write(PFile*);
protected:
int p;
Brush* value;
};
class PFont : public Persistent {
public:
PFont();
PFont(const char*);
PFont(const char*, int);
~PFont();
int Baseline();
int Height();
int Width(const char*);
int Width(const char*, int);
int Index(const char*, int offset, boolean between);
int Index(const char*, int, int offset, boolean between);
boolean Valid();
boolean FixedWidth();
operator Font*();
virtual ClassId GetClassId();
virtual boolean IsA(ClassId);
protected:
virtual boolean read(PFile*);
virtual boolean write(PFile*);
protected:
char* name;
int count;
Font* value;
};
/*
* Standard attributes. These must be initialized by calling
* InitPPaint. If the persistence features of paints are not required,
* then InitPPaint must be called explicitly before any of the standard
* attributes are used. Otherwise the call to InitPPaint should be
* made in the persistent object initialization routine passed to the
* object manager constructor. See Persistent(3I) for more information.
*/
extern PColor* pblack;
extern PColor* pwhite;
extern PPattern* psolid;
extern PPattern* pclear;
extern PBrush* psingle;
extern PFont* pstdfont;
extern void InitPPaint();
/*
* inlines
*/
inline int PColor::PixelValue () { return value->PixelValue(); }
inline boolean PColor::Valid () { return value->Valid(); }
inline PColor::operator Color* () { return value; }
inline void PColor::Intensities (
ColorIntensity& r, ColorIntensity& g, ColorIntensity& b
) {
value->Intensities(r, g, b);
}
inline PPattern::operator Pattern* () { return value; }
inline int PBrush::Width () {
return (value == nil) ? NO_WIDTH : value->Width();
}
inline PBrush::operator Brush* () { return value; }
inline int PFont::Baseline () { return value->Baseline(); }
inline int PFont::Height () { return value->Height(); }
inline int PFont::Width (const char* s) { return value->Width(s); }
inline int PFont::Width (const char* s, int len) {return value->Width(s, len);}
inline boolean PFont::Valid () { return value->Valid(); }
inline boolean PFont::FixedWidth () { return value->FixedWidth(); }
inline PFont::operator Font* () { return value; }
#endif