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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@5970 72102866-910b-0410-8b05-ffd578937521
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Enrico Sersale 2000-02-09 17:48:00 +00:00
parent 26dafeed03
commit 1b97488859
3 changed files with 1184 additions and 881 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Wed Feb 09 18:50:12 2000 Enrico Sersale <enrico@imago.ro>
* Source/NSBezierPath.m Headers/gnustep/gui/NSBezierPath.h :
Rewritten conforming to MacOS-X implementation details.
Tue Jan 25 14:52:27 2000 Nicola Pero <n.pero@mi.flashnet.it>
Contributed by Fred Kiefer:

296
Headers/gnustep/gui/NSBezierPath.h
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@ -24,43 +24,113 @@
59 Temple Place - Suite 330, Boston, MA 02111 - 1307, USA.
*/
#ifndef NSBEZIERPATH_H
#define NSBEZIERPATH_H
#ifndef BEZIERPATH_H
#define BEZIERPATH_H
#include <Foundation/NSArray.h>
#include <AppKit/NSFont.h>
#import <Foundation/Foundation.h>
#import <AppKit/NSFont.h>
#define PMAX 10000
@class NSAffineTransform;
typedef enum {
NSBezierPathElementMoveTo,
NSBezierPathElementLineTo,
NSBezierPathElementCurveTo,
NSBezierPathElementClose
} NSBezierPathElementType;
typedef enum {
NSButtLineCapStyle = 0,
NSRoundLineCapStyle = 1,
NSSquareLineCapStyle = 2
} NSLineCapStyle;
typedef enum {
NSWindingRuleNonZero,
NSWindingRuleEvenOdd
typedef enum {
NSMiterLineJoinStyle = 0,
NSRoundLineJoinStyle = 1,
NSBevelLineJoinStyle = 2
} NSLineJoinStyle;
typedef enum {
NSNonZeroWindingRule,
NSEvenOddWindingRule
} NSWindingRule;
@interface NSBezierPath : NSObject
typedef enum {
NSMoveToBezierPathElement,
NSLineToBezierPathElement,
NSCurveToBezierPathElement,
NSClosePathBezierPathElement
} NSBezierPathElement;
@interface NSBezierPath : NSObject <NSCopying, NSCoding>
{
NSMutableArray *pathElements;
NSMutableArray *subPaths;
NSPoint draftPolygon[PMAX];
int pcount;
NSPoint currentPoint;
NSWindingRule windingRule;
BOOL cachesBezierPath;
@private
int _state;
int _segmentCount;
int _segmentMax;
// struct PATHSEGMENT *_head;
int _lastSubpathIndex;
int _elementCount;
BOOL _isFlat;
NSWindingRule _windingRule;
NSLineCapStyle _lineCapStyle;
NSLineJoinStyle _lineJoinStyle;
float _lineWidth;
NSRect _bounds;
BOOL _shouldRecalculateBounds;
NSRect _controlPointBounds;
BOOL _shouldRecalculateControlPointBounds;
BOOL _cachesBezierPath;
BOOL _shouldRecacheUserPath;
// int _dpsUserPath;
}
//
// Creating common paths
//
+ (NSBezierPath *)bezierPath;
+ (NSBezierPath *)bezierPathWithRect:(NSRect)aRect;
+ (NSBezierPath *)bezierPathWithOvalInRect:(NSRect)rect;
//
// Contructing paths
// Immediate mode drawing of common paths
//
+ (void)fillRect:(NSRect)rect;
+ (void)strokeRect:(NSRect)rect;
+ (void)clipRect:(NSRect)rect;
+ (void)strokeLineFromPoint:(NSPoint)point1 toPoint:(NSPoint)point2;
+ (void)drawPackedGlyphs:(const char *)packedGlyphs atPoint:(NSPoint)point;
//
// Default path rendering parameters
//
+ (void)setDefaultMiterLimit:(float)limit;
+ (float)defaultMiterLimit;
+ (void)setDefaultFlatness:(float)flatness;
+ (float)defaultFlatness;
+ (void)setDefaultWindingRule:(NSWindingRule)windingRule;
+ (NSWindingRule)defaultWindingRule;
+ (void)setDefaultLineCapStyle:(NSLineCapStyle)lineCapStyle;
+ (NSLineCapStyle)defaultLineCapStyle;
+ (void)setDefaultLineJoinStyle:(NSLineJoinStyle)lineJoinStyle;
+ (NSLineJoinStyle)defaultLineJoinStyle;
+ (void)setDefaultLineWidth:(float)lineWidth;
+ (float)defaultLineWidth;
//
// Path construction
//
- (void)moveToPoint:(NSPoint)aPoint;
@ -72,8 +142,11 @@ typedef enum {
- (void)closePath;
- (void)reset;
- (void)removeAllPoints;
//
// Relative path construction
//
- (void)relativeMoveToPoint:(NSPoint)aPoint;
- (void)relativeLineToPoint:(NSPoint)aPoint;
@ -83,118 +156,117 @@ typedef enum {
controlPoint2:(NSPoint)controlPoint2;
//
// Appending paths and some common shapes
// Path rendering parameters
//
- (void)appendBezierPath:(NSBezierPath *)aPath;
- (float)lineWidth;
- (void)appendBezierPathWithPoints:(NSPoint *)points count:(int)count;
- (void)setLineWidth:(float)lineWidth;
- (void)appendBezierPathWithOvalInRect:(NSRect)aRect;
- (NSLineCapStyle)lineCapStyle;
- (void)appendBezierPathWithArcWithCenter:(NSPoint)center
radius:(float)radius
startAngle:(float)startAngle
endAngle:(float)endAngle;
- (void)appendBezierPathWithGlyph:(NSGlyph)aGlyph inFont:(NSFont *)fontObj;
- (void)setLineCapStyle:(NSLineCapStyle)lineCapStyle;
- (void)appendBezierPathWithGlyphs:(NSGlyph *)glyphs
count:(int)count
inFont:(NSFont *)fontObj;
- (NSLineJoinStyle)lineJoinStyle;
- (void)appendBezierPathWithPackedGlyphs:(const char *)packedGlyphs;
//
// Setting attributes
//
- (void)setWindingRule:(NSWindingRule)aWindingRule;
- (void)setLineJoinStyle:(NSLineJoinStyle)lineJoinStyle;
- (NSWindingRule)windingRule;
+ (void)setLineCapStyle:(int)style;
+ (void)setLineJoinStyle:(int)style;
+ (void)setLineWidth:(float)width;
+ (void)setMiterLimit:(float)limit;
+ (void)setFlatness:(float)flatness;
+ (void)setHalftonePhase:(float)x : (float)y;
- (void)setWindingRule:(NSWindingRule)windingRule;
//
// Drawing paths
//
// Path operations
//
- (void)stroke;
- (void)fill;
+ (void)fillRect:(NSRect)aRect;
+ (void)strokeRect:(NSRect)aRect;
+ (void)strokeLineFromPoint:(NSPoint)point1 toPoint:(NSPoint)point2;
+ (void)drawPackedGlyphs:(const char *)packedGlyphs atPoint:(NSPoint)aPoint;
//
// Clipping paths
//
- (void)addClip;
- (void)setClip;
+ (void)clipRect:(NSRect)aRect;
//
// Path modifications.
//
- (NSBezierPath *)bezierPathByFlatteningPath;
- (NSBezierPath *)bezierPathByReversingPath;
//
// Applying transformations.
//
- (void)transformUsingAffineTransform:(NSAffineTransform *)transform;
//
// Path info
//
- (BOOL)isEmpty;
- (NSPoint)currentPoint;
- (NSRect)controlPointBounds;
- (NSRect)bounds;
//
// Elements
//
- (int)elementCount;
- (NSBezierPathElement)elementAtIndex:(int)index
associatedPoints:(NSPoint *)points;
//- (NSBezierPathElement)elementAtIndex:(int)index
// associatedPoints:(NSPointArray)points;
- (NSBezierPathElement)elementAtIndex:(int)index;
- (void)setAssociatedPoints:(NSPoint *)points atIndex:(int)index;
//- (void)setAssociatedPoints:(NSPointArray)points atIndex:(int)index;
//
// Appending common paths
//
- (void)appendBezierPath:(NSBezierPath *)path;
- (void)appendBezierPathWithRect:(NSRect)rect;
- (void)appendBezierPathWithPoints:(NSPoint *)points count:(int)count;
//- (void)appendBezierPathWithPoints:(NSPointArray)points count:(int)count;
- (void)appendBezierPathWithOvalInRect:(NSRect)aRect;
- (void)appendBezierPathWithArcWithCenter:(NSPoint)center
radius:(float)radius
startAngle:(float)startAngle
endAngle:(float)endAngle
clockwise:(BOOL)clockwise;
- (void)appendBezierPathWithArcWithCenter:(NSPoint)center
radius:(float)radius
startAngle:(float)startAngle
endAngle:(float)endAngle;
- (void)appendBezierPathWithArcFromPoint:(NSPoint)point1
toPoint:(NSPoint)point2
radius:(float)radius;
- (void)appendBezierPathWithGlyph:(NSGlyph)glyph inFont:(NSFont *)font;
- (void)appendBezierPathWithGlyphs:(NSGlyph *)glyphs
count:(int)count
inFont:(NSFont *)font;
- (void)appendBezierPathWithPackedGlyphs:(const char *)packedGlyphs;
//
// Hit detection
//
- (BOOL)isHitByPoint:(NSPoint)aPoint;
- (BOOL)isHitByRect:(NSRect)aRect;
- (BOOL)isHitByPath:(NSBezierPath *)aBezierPath;
- (BOOL)isStrokeHitByPoint:(NSPoint)aPoint;
- (BOOL)isStrokeHitByRect:(NSRect)aRect;
- (BOOL)isStrokeHitByPath:(NSBezierPath *)aBezierPath;
- (BOOL)containsPoint:(NSPoint)point;
//
// Querying paths
//
- (NSRect)bounds;
- (NSRect)controlPointBounds;
- (NSPoint)currentPoint;
//
// Accessing elements of a path
//
- (int)elementCount;
- (NSBezierPathElementType)elementTypeAtIndex:(int)index;
- (NSBezierPathElementType)elementTypeAtIndex:(int)index
associatedPoints:(NSPoint *)points;
- (void)removeLastElement;
- (int)pointCount;
- (NSPoint)pointAtIndex:(int)index;
- (void)setPointAtIndex:(int)index toPoint:(NSPoint)aPoint;
- (int)pointIndexForPathElementIndex:(int)index;
- (int)pathElementIndexForPointIndex:(int)index;
//
// Caching paths
// Caching
//
- (BOOL)cachesBezierPath;
@ -202,4 +274,4 @@ typedef enum {
@end
#endif // NSBEZIERPATH_H
#endif // BEZIERPATH_H

1764
Source/NSBezierPath.m
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