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#ifndef _GRAPHIC_H_
#define _GRAPHIC_H_
@class GraphicView;
#define KNOB_DY_ONCE 0x1
#define KNOB_DY_TWICE 0x2
#define KNOB_DX_ONCE 0x4
#define KNOB_DX_TWICE 0x8
/* corners */
#define LOWER_LEFT (0x10)
#define LEFT_SIDE (KNOB_DY_ONCE)
#define UPPER_LEFT (LEFT_SIDE|KNOB_DY_TWICE)
#define TOP_SIDE (UPPER_LEFT|KNOB_DX_ONCE)
#define UPPER_RIGHT (TOP_SIDE|KNOB_DX_TWICE)
#define BOTTOM_SIDE (KNOB_DX_ONCE)
#define LOWER_RIGHT (BOTTOM_SIDE|KNOB_DX_TWICE)
#define RIGHT_SIDE (LOWER_RIGHT|KNOB_DY_ONCE)
/* special corner which means upper right, but also note that we're creating */
#define CREATE (0x20)
/* corner mask values */
#define LOWER_LEFT_MASK (1 << LOWER_LEFT)
#define LEFT_SIDE_MASK (1 << LEFT_SIDE)
#define UPPER_LEFT_MASK (1 << UPPER_LEFT)
#define TOP_SIDE_MASK (1 << TOP_SIDE)
#define UPPER_RIGHT_MASK (1 << UPPER_RIGHT)
#define BOTTOM_SIDE_MASK (1 << BOTTOM_SIDE)
#define LOWER_RIGHT_MASK (1 << LOWER_RIGHT)
#define RIGHT_SIDE_MASK (1 << RIGHT_SIDE)
#define ALL_CORNERS 0xffffffff
/* arrows */
#define ARROW_AT_START 1
#define ARROW_AT_END 2
#define ARROW_AT_BOTH 3
/* Fills - These must match up with the order in the PopUpList in the Inspector Panel */
#define FILL_NONE 0
#define FILL_EO 1
#define FILL_NZWR 2
extern id CrossCursor;
@interface Graphic : Object
{
NXRect bounds; /* the bounds */
float linewidth; /* linewidth */
int rotAngle; /* the rotation angle */
NXPoint unrotOrigin;
struct _gFlags {
#ifdef __BIG_ENDIAN__
unsigned int selected:1; /* whether selected */
unsigned int active:1; /* whether to really draw in draw: */
unsigned int eofill:1; /* whether eofilled */
unsigned int fillColorSet:1; /* whether to put frame around fill */
unsigned int downhill:1; /* Line: direction line goes */
unsigned int initialized:1; /* subclass specific */
unsigned int linewidthSet:1; /* used when archiving only */
unsigned int lineColorSet:1; /* used when archiving only */
unsigned int linejoin:2; /* line join */
unsigned int linecap:2; /* line cap */
unsigned int fill:1; /* whether filled */
unsigned int locked:1; /* locked down? */
unsigned int arrow:2; /* arrow position */
unsigned int nooutline:1; /* whether the graphic is outlined */
unsigned int isFormEntry:1; /* whether the graphic is a form entry (TextGraphic only) */
unsigned int localizeFormEntry:1; /* whether to localize a form entry (TextGraphic only) */
unsigned int mightBeLinked:1; /* set if Graphic has ever had a link associated with it */
unsigned int goleft:1; /* Line: direction line goes */
unsigned int padding:11;
#else
unsigned int padding:11;
unsigned int goleft:1;
unsigned int mightBeLinked:1;
unsigned int localizeFormEntry:1;
unsigned int isFormEntry:1;
unsigned int nooutline:1;
unsigned int arrow:2;
unsigned int locked:1;
unsigned int fill:1;
unsigned int linecap:2;
unsigned int linejoin:2;
unsigned int lineColorSet:1;
unsigned int linewidthSet:1;
unsigned int initialized:1;
unsigned int downhill:1;
unsigned int fillColorSet:1;
unsigned int eofill:1;
unsigned int active:1;
unsigned int selected:1;
#endif
} gFlags;
NXColor *lineColor;
NXColor *fillColor;
int identifier; /* unique identifier */
}
/* Factory methods */
+ showFastKnobFills;
+ initialize;
+ (BOOL)isEditable;
+ cursor;
+ (int)currentGraphicIdentifier;
+ updateCurrentGraphicIdentifier:(int)newMaxIdentifier;
/* Initialization method */
- init;
/* Called when a GraphicView is unarchived */
- awake;
/* Private methods (for subclassers only) */
- setGraphicsState;
- setLineColor;
- setFillColor;
- (int)cornerMask;
/* Data link methods */
- setLink:(NXDataLink *)aLink;
- (NXDataLink *)link;
- (Graphic *)graphicLinkedBy:(NXDataLink *)aLink;
- reviveLink:(NXDataLinkManager *)linkManager;
- (NXSelection *)selection;
- (BOOL)mightBeLinked;
/* Notification from GraphicView */
- wasRemovedFrom:(GraphicView *)sender;
- wasAddedTo:(GraphicView *)sender;
/* Methods for uniquely identifying a Graphic. */
- resetIdentifier;
- (int)identifier;
- writeIdentifierTo:(char *)buffer;
- (Graphic *)graphicIdentifiedBy:(int)anIdentifier;
/* Event handling */
- (BOOL)handleEvent:(NXEvent *)event at:(const NXPoint *)p inView:(View *)view;
/* Number of Graphics this Graphic represents (1 for non-Group). */
- (int)graphicCount;
/* Public routines (called mostly by a GraphicView or subclassers). */
- (const char *)title;
- (BOOL)isSelected;
- (BOOL)isActive;
- (BOOL)isLocked;
- select;
- deselect;
- activate;
- deactivate;
- lock;
- unlock;
- (BOOL)isFormEntry;
- setFormEntry:(int)flag;
- (BOOL)hasFormEntries;
- (BOOL)writeFormEntryToStream:(NXStream *)stream;
- setCacheable:(BOOL)flag;
- (BOOL)isCacheable;
- getBounds:(NXRect *)theRect;
- setBounds:(const NXRect *)aRect;
- (NXRect *)getExtendedBounds:(NXRect *)theRect;
- (int)knobHit:(const NXPoint *)point;
- draw:(const NXRect *)rect;
- (BOOL)canEmitEPS;
- (BOOL)canEmitTIFF;
- moveLeftEdgeTo:(const NXCoord *)x;
- moveRightEdgeTo:(const NXCoord *)x;
- moveTopEdgeTo:(const NXCoord *)y;
- moveBottomEdgeTo:(const NXCoord *)y;
- moveHorizontalCenterTo:(const NXCoord *)x;
- moveVerticalCenterTo:(const NXCoord *)y;
- moveBaselineTo:(const NXCoord *)y;
- (NXCoord)baseline;
- moveBy:(const NXPoint *)offset;
- moveTo:(const NXPoint *)p;
- centerAt:(const NXPoint *)center;
- sizeTo:(const NXSize *)size;
- sizeToNaturalAspectRatio;
- alignToGrid:(GraphicView *)graphicView;
- sizeToGrid:(GraphicView *)graphicView;
- rotateTo: (const int *) angle;
- rotateBy: (const int *) angle;
- (int) rotation;
/* Compatibility methods */
- replaceWithImage;
/* Public routines (called mostly by inspectors and the like). */
- setLineWidth:(const float *)value;
- (float)lineWidth;
- setLineColor:(const NXColor *)color;
- (Graphic *)colorAcceptorAt:(const NXPoint *)point;
- (NXColor)lineColor;
- setFillColor:(const NXColor *)color;
- (NXColor)fillColor;
- changeFont:sender;
- (Font *)font;
- setGray:(const float *)value;
- (float)gray;
- setFill:(int)mode;
- (int)fill;
- setOutlined:(BOOL)outlinedFlag;
- (BOOL)isOutlined;
- setLineCap:(int)capValue;
- (int)lineCap;
- setLineArrow:(int)arrowValue;
- (int)lineArrow;
- setLineJoin:(int)joinValue;
- (int)lineJoin;
/* Archiving (must be overridden by subclasses with instance variables) */
- write:(NXTypedStream *)stream;
- read:(NXTypedStream *)stream;
/* Routines intended to be subclassed for different types of Graphics. */
/*
* Can be overridden to provide more sophisticated size constraining
* than an aspect ratio (though that is almost always sufficient).
* For example, Line overrides this to constrain to closes 15 degree angle.
* constrainByDefault says whether constraining is the default or not for
* the receiving kind of Graphic.
*/
- (BOOL)constrainByDefault;
- constrainCorner:(int)corner toAspectRatio:(float)aspect;
/*
* Can be overridden to resize the Graphic differently than the
* default (which is to drag out the bounds), or to do something
* before and/or after the subclass is resized. This is called
* during the default creation method as well (create:in:).
*/
- resize:(NXEvent *)event by:(int)corner in:(GraphicView *)view;
/*
* Possible override candidate for different types of Graphics.
* Should return YES if the Graphic got created okay.
* The most common need to override this method is if the creation
* of the Graphic requires multiple mouseUps and mouseDowns (for
* an arbitrary arc, for example).
*/
- (BOOL)create:(NXEvent *)event in:(GraphicView *)view;
/*
* Override hit: if you want your subclass to only get selected when the
* mouse goes down in certain parts of the bounds (not the whole bounds).
* e.g. Lines only get selected if you click close to them.
*/
- (BOOL)hit:(const NXPoint *)point;
/*
* Returns YES if this Graphic can't be seen through.
* Default behaviour is to return YES if the Graphic isFilled.
*/
- (BOOL)isOpaque;
/*
* Returns YES if the Graphic is properly formed (usually this just
* refers to whether it is big enough to be a real graphic during creation).
* This is called by create:in:. By default it returns YES if the Graphic
* is at least 10.0 by 10.0 pixels in size.
*/
- (BOOL)isValid;
/*
* This is the Graphic's natural aspect ratio. If it doesn't have a natural
* aspect ratio, then this method should return zero (the default return).
*/
- (float)naturalAspectRatio;
/*
* Called repeatedly as the user drags the mouse to create or resize
* the Graphic. The default implementation does the right thing.
* The specified corner should be moved to the specified point.
*/
- (int)moveCorner:(int)corner to:(const NXPoint *)point constrain:(BOOL)flag;
/*
* This routine actually draws the graphic. It should be draw to fit the
* bounds instance variable. Be sure to use all the parameters listed in
* the instance variable list (e.g. linewidth, fillgray, etc.) that are
* appropriate to this object. It is probably a good idea to do a newpath
* and a closepath at the beginning and the end of draw.
* If a sublcass just wants to draw a unit-sized version of itself
* (i.e. it draws itself in a bounding box of {{0.0,0.0},{1.0,1.0}})
* it can just override unitDraw (and not draw).
*/
- unitDraw;
- draw;
/*
* Should return YES iff the Graphic can be "edited." It is up to the
* subclass of Graphic to determine what this means for it. Usually
* it means that it has text and allows that text to be edited by the
* user (e.g. TextGraphic). Default is to do nothing and return NO.
*/
- (BOOL)edit:(NXEvent *)event in:(View *)view;
/* Methods added to support Hippo drawing */
- forward:(SEL)aSelector :(marg_list)argFrame;
/*
* implemented to trap messages destined to Plot objects.
* They should be trapped here and be harmless to non-plot objects
*/
@end
#endifThese are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.