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/*
This file is part of the FElt finite element analysis package.
Copyright (C) 1993-2000 Jason I. Gobat and Darren C. Atkinson
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
# ifndef _Drawing_h
# define _Drawing_h
/****************************************************************
*
* Drawing widget
*
****************************************************************/
/* Resources:
Name Class RepType Default Value
---- ----- ------- -------------
background Background Pixel XtDefaultBackground
border BorderColor Pixel XtDefaultForeground
borderWidth BorderWidth Dimension 1
cursor Cursor Cursor crosshair
cursorName CursorName String NULL
destroyCallback Callback Pointer NULL
height Height Dimension 0
mappedWhenManaged MappedWhenManaged Boolean True
sensitive Sensitive Boolean True
width Width Dimension 0
x Position Position 0
y Position Position 0
foreground Foreground Pixel XtDefaultForeground
font Font XFontStruct * XtDefaultFont
coordinates Coordinates Widget NULL
grid Grid Boolean False
gridSize GridSize Float 1.00
snap Snap Boolean False
snapSize SnapSize Float 0.25
xMin XMin Float 0.00
xMax XMax Float 10.0
yMin YMin Float 0.00
yMax YMax Float 10.0
xScale XScale Float 50.0
yScale YScale Float 50.0
buttonCallback ButtonCallback Callback NULL
motionCallback MotionCallback Callback NULL
interactive Interactive Boolean False
autoFind AutoFind Boolean False
autoRedraw AutoRedraw Boolean True
*/
/* Define any special resource names here that are not in <X11/StringDefs.h> */
# define XtNcoordinates "coordinates"
# define XtNgrid "grid"
# define XtNgridSize "gridSize"
# define XtNsnap "snap"
# define XtNsnapSize "snapSize"
# define XtNxMin "xMin"
# define XtNxMax "xMax"
# define XtNyMin "yMin"
# define XtNyMax "yMax"
# define XtNxScale "xScale"
# define XtNyScale "yScale"
# define XtNbuttonCallback "buttonCallback"
# define XtNmotionCallback "motionCallback"
# define XtNinteractive "interactive"
# define XtNautoFind "autoFind"
# define XtNautoRedraw "autoRedraw"
# define XtCCoordinates "Coordinates"
# define XtCGrid "Grid"
# define XtCGridSize "GridSize"
# define XtCSnap "Snap"
# define XtCSnapSize "SnapSize"
# define XtCXMin "XMin"
# define XtCXMax "XMax"
# define XtCYMin "YMin"
# define XtCYMax "YMax"
# define XtCXScale "XScale"
# define XtCYScale "YScale"
# define XtCButtonCallback "ButtonCallback"
# define XtCMotionCallback "MotionCallback"
# define XtCInteractive "Interactive"
# define XtCAutoFind "AutoFind"
# define XtCAutoRedraw "AutoRedraw"
/* Declare specific DrawingWidget class and instance datatypes */
typedef struct _DrawingClassRec *DrawingWidgetClass;
typedef struct _DrawingRec *DrawingWidget;
/* Declare the class constant */
extern WidgetClass drawingWidgetClass;
/* Declare public types */
typedef struct figure *Figure;
typedef struct {
float x, y;
} Point;
typedef struct {
XEvent *event;
Point snapped;
Point unsnapped;
Figure figure;
} DrawingReport;
typedef enum {
LineFigure, PolygonFigure, RectangleFigure, ArcFigure, TextFigure,
GroupFigure, PixmapFigure, BitmapFigure
} FigureType;
typedef struct {
FigureType type; /* all figures (read only) */
Figure group; /* all figures */
unsigned line_width; /* lines, polygons, rectangles, arcs */
int line_style; /* lines, polygons, rectangles, arcs */
Boolean visible; /* lines, polygons, rectangles, arcs, text */
Boolean filled; /* polygons, rectangles, arcs */
Boolean scaled; /* polygons, rectangles, arcs, text */
String color; /* lines, polygons, rectangles, arcs, text */
String text; /* text */
String font; /* text */
XFontStruct *font_struct; /* text (read only) */
float x; /* rectangles, arcs, text, pixmaps, bitmaps */
float y; /* rectangles, arcs, text, pixmaps, bitmaps */
float width; /* rectangles, arcs */
float height; /* rectangles, arcs */
float arc_start; /* arcs */
float arc_length; /* arcs */
Point *points; /* lines, polygons */
unsigned npoints; /* lines, polygons (read only) */
Figure *figures; /* groups (read only) */
unsigned nfigures; /* groups (read only) */
Pixmap pixmap; /* pixmaps, bitmaps */
char *user_data; /* all figures */
} FigureAttributes;
# define DW_FigureGroup (1 << 0)
# define DW_FigureLineWidth (1 << 1)
# define DW_FigureLineStyle (1 << 2)
# define DW_FigureVisible (1 << 3)
# define DW_FigureFilled (1 << 4)
# define DW_FigureScaled (1 << 5)
# define DW_FigureColor (1 << 6)
# define DW_FigureFont (1 << 7)
# define DW_FigureText (1 << 8)
# define DW_FigureX (1 << 9)
# define DW_FigureY (1 << 10)
# define DW_FigureWidth (1 << 11)
# define DW_FigureHeight (1 << 12)
# define DW_FigureArcStart (1 << 13)
# define DW_FigureArcLength (1 << 14)
# define DW_FigurePoints (1 << 15)
# define DW_FigurePixmap (1 << 16)
# define DW_FigureUserData (1 << 17)
# define DW_FigureLocation (DW_FigureX | DW_FigureY)
# define DW_FigureSize (DW_FigureWidth | DW_FigureHeight)
# define DW_FigureArc (DW_FigureArcStart | DW_FigureArcLength)
# define DW_LineSolid 0
# define DW_LineDashed 1
# define DW_LineDotted 2
# define DW_LineDotDashed 3
# define DW_LineLongDashed 4
/* Public function declarations. */
# if NeedWidePrototypes
# define FLOAT double
# define BOOLEAN int
# else
# define FLOAT float
# define BOOLEAN Boolean
# endif
extern Figure DW_DrawLine (
# if NeedFunctionPrototypes
Widget, /* drawing */
FLOAT, /* starting x coordinate */
FLOAT, /* starting y coordinate */
FLOAT, /* ending x coordinate */
FLOAT /* ending y coordinate */
# endif
);
extern Figure DW_DrawPolygon (
# if NeedFunctionPrototypes
Widget, /* drawing */
BOOLEAN, /* scaled */
Point [ ], /* array of points */
int /* number of points */
# endif
);
extern Figure DW_FillPolygon (
# if NeedFunctionPrototypes
Widget, /* drawing */
BOOLEAN, /* scaled */
Point [ ], /* array of points */
int /* number of points */
# endif
);
extern Figure DW_DrawRectangle (
# if NeedFunctionPrototypes
Widget, /* drawing */
BOOLEAN, /* scaled */
FLOAT, /* lower left x coordinate */
FLOAT, /* lower left y coordinate */
FLOAT, /* width */
FLOAT /* height */
# endif
);
extern Figure DW_FillRectangle (
# if NeedFunctionPrototypes
Widget, /* drawing */
BOOLEAN, /* scaled */
FLOAT, /* lower left x coordinate */
FLOAT, /* lower left y coordinate */
FLOAT, /* width */
FLOAT /* height */
# endif
);
extern Figure DW_DrawArc (
# if NeedFunctionPrototypes
Widget, /* drawing */
BOOLEAN, /* scaled */
FLOAT, /* center x coordinate */
FLOAT, /* center y coordinate */
FLOAT, /* width */
FLOAT, /* height */
FLOAT, /* starting angle */
FLOAT /* arc length */
# endif
);
extern Figure DW_FillArc (
# if NeedFunctionPrototypes
Widget, /* drawing */
BOOLEAN, /* scaled */
FLOAT, /* center x coordinate */
FLOAT, /* center y coordinate */
FLOAT, /* width */
FLOAT, /* height */
FLOAT, /* starting angle */
FLOAT /* arc length */
# endif
);
extern Figure DW_DrawText (
# if NeedFunctionPrototypes
Widget, /* drawing */
BOOLEAN, /* scaled */
FLOAT, /* lower left x coordinate */
FLOAT, /* lower left y coordinate */
String /* text string */
# endif
);
extern Figure DW_DrawPixmap (
# if NeedFunctionPrototypes
Widget, /* drawing */
FLOAT, /* lower left x coordinate */
FLOAT, /* lower left y coordinate */
Pixmap /* pixmap */
# endif
);
extern Figure DW_DrawBitmap (
# if NeedFunctionPrototypes
Widget, /* drawing */
FLOAT, /* lower left x coordinate */
FLOAT, /* lower left y coordinate */
Pixmap /* bitmap */
# endif
);
extern Figure DW_FindFigure (
# if NeedFunctionPrototypes
Widget, /* drawing */
FLOAT, /* x coordinate */
FLOAT /* y coordinate */
# endif
);
extern void DW_RaiseFigure (
# if NeedFunctionPrototypes
Widget, /* drawing */
Figure /* figure */
# endif
);
extern void DW_LowerFigure (
# if NeedFunctionPrototypes
Widget, /* drawing */
Figure /* figure */
# endif
);
extern void DW_RemoveFigure (
# if NeedFunctionPrototypes
Widget, /* drawing */
Figure /* figure */
# endif
);
extern void DW_RemoveAll (
# if NeedFunctionPrototypes
Widget /* drawing */
# endif
);
extern void DW_Redraw (
# if NeedFunctionPrototypes
Widget /* drawing */
# endif
);
extern void DW_GetAttributes (
# if NeedFunctionPrototypes
Widget, /* drawing */
Figure, /* figure */
FigureAttributes * /* attributes */
# endif
);
extern Boolean DW_SetAttributes (
# if NeedFunctionPrototypes
Widget, /* drawing */
Figure, /* figure */
unsigned long, /* mask */
FigureAttributes * /* attributes */
# endif
);
extern void DW_ClipBox (
# if NeedFunctionPrototypes
Figure, /* figure */
XRectangle * /* clip box */
# endif
);
extern Boolean DW_SetForeground (
# if NeedFunctionPrototypes
Widget, /* drawing */
String /* color name */
# endif
);
extern Boolean DW_SetFont (
# if NeedFunctionPrototypes
Widget, /* drawing */
String /* font name */
# endif
);
extern void DW_GetTextExtents (
# if NeedFunctionPrototypes
Widget, /* drawing */
String, /* string */
float *, /* width */
float * /* height */
# endif
);
extern void DW_SetLineWidth (
# if NeedFunctionPrototypes
Widget, /* drawing */
unsigned /* line width */
# endif
);
extern void DW_SetLineStyle (
# if NeedFunctionPrototypes
Widget, /* drawing */
int /* line style */
# endif
);
extern void DW_SetInteractive (
# if NeedFunctionPrototypes
Widget, /* drawing */
BOOLEAN /* interactive */
# endif
);
extern void DW_SetAutoFind (
# if NeedFunctionPrototypes
Widget, /* drawing */
BOOLEAN /* autofind */
# endif
);
extern void DW_SetAutoRedraw (
# if NeedFunctionPrototypes
Widget, /* drawing */
BOOLEAN /* autoredraw */
# endif
);
extern Figure *DW_SearchArea (
# if NeedFunctionPrototypes
Widget, /* drawing */
Point [ ], /* boundary points */
unsigned, /* number of points */
unsigned * /* number of figures */
# endif
);
extern Figure *DW_RetrieveAll (
# if NeedFunctionPrototypes
Widget, /* drawing */
BOOLEAN, /* visible */
unsigned * /* number of figures */
# endif
);
extern Figure DW_Group (
# if NeedFunctionPrototypes
Widget, /* drawing */
Figure [ ], /* group members */
unsigned /* number of members */
# endif
);
extern void DW_Ungroup (
# if NeedFunctionPrototypes
Widget, /* drawing */
Figure /* group */
# endif
);
extern Pixmap DW_CreatePixmap (
# if NeedFunctionPrototypes
Widget, /* drawing */
unsigned, /* width */
unsigned /* height */
# endif
);
extern Pixmap DW_CreateBitmap (
# if NeedFunctionPrototypes
Widget, /* drawing */
unsigned, /* width */
unsigned /* height */
# endif
);
extern void DW_TranslateCoords (
# if NeedFunctionPrototypes
Widget, /* drawing */
int, /* window x */
int, /* window y */
float *, /* real x */
float * /* real y */
# endif
);
extern XtArgVal Float2Arg (
# if NeedFunctionPrototypes
FLOAT /* value */
# endif
);
# undef FLOAT
# undef BOOLEAN
# endif /* _Drawing_h */
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