home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
The World of Computer Software
/
World_Of_Computer_Software-02-385-Vol-1of3.iso
/
i
/
iv26_w_3.zip
/
EXAMPLES
/
IDRAW
/
PAGE.H
< prev
next >
Wrap
C/C++ Source or Header
|
1980-01-05
|
4KB
|
119 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: page.h,v 1.5 90/01/25 16:27:26 interran Exp $
// declares class Page.
#ifndef page_h
#define page_h
#include <InterViews/Graphic/picture.h>
// Declare imported types.
class PictSelection;
// A Page draws a grid, picture, and boundary. It can constrain
// points to lie only on the grid.
static const int GRID_DEFAULTSPACING = 8;
class Page : public Picture {
public:
Page(double w, double h, double b, Graphic* = nil);
~Page();
Color* GetBackgroundColor();
boolean GetGridGravity();
double GetGridSpacing(boolean = false);
boolean GetGridVisibility();
PictSelection* GetPicture();
void SetGridGravity(boolean);
void SetGridSpacing(double, boolean = false);
void SetGridVisibility(boolean);
void SetPicture(PictSelection*);
void Center(float, float, float);
void Constrain(Coord&, Coord&);
void ToggleOrientation();
protected:
void getExtent(float&, float&, float&, float&, float&, Graphic*);
void draw(Canvas*, Graphic*);
void drawGrid(Canvas*, Graphic*);
void drawBoundary(Canvas*, Graphic*);
void drawClipped(Canvas*, Coord, Coord, Coord, Coord, Graphic*);
void drawGridClipped(Canvas*, Coord, Coord, Coord, Coord, Graphic*);
void drawPictureClipped(Canvas*, Coord, Coord, Coord, Coord, Graphic*);
void drawBoundaryClipped(Canvas*, Coord, Coord, Coord, Coord, Graphic*);
int DefinePoints(Coord, Coord, Coord, Coord, Graphic*);
double pagewidth; // stores exact width of page
double pageheight; // stores exact height of page
int pgwidth; // stores integral width of page
int pgheight; // stores integral height of page
PBrush* border; // stores brush for drawing boundary
boolean gravity; // will constrain points to grid if true
boolean visibility; // will draw grid points if true
double spacing_pixels; // stores spacing in units of pixels
double spacing_points; // stores spacing in units of printers' points
Coord* x, *y; // stores grid points
Graphic* grid_gs; // stores attributes for drawing grid/boundary
Transformer* grid_tt; // stores matrix for drawing grid/boundary
PictSelection* picture; // stores picture
};
// Define access functions to get and set members' values.
inline boolean Page::GetGridGravity () {
return gravity;
}
inline double Page::GetGridSpacing (boolean in_pixels) {
return in_pixels ? spacing_pixels : spacing_points;
}
inline boolean Page::GetGridVisibility () {
return visibility;
}
inline PictSelection* Page::GetPicture () {
return picture;
}
inline void Page::SetGridGravity (boolean g) {
gravity = g;
}
inline void Page::SetGridVisibility (boolean v) {
visibility = v;
}
#endif