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86 lines
2.9 KiB
C
86 lines
2.9 KiB
C
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/* -*-objc-*-
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NSGradient.h
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GUI implementation of a colour gradient.
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Copyright (C) 2009 Free Software Foundation, Inc.
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Author: Fred Kiefer <fredkiefer@gmx.de>
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Date: Oct 2009
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This file is part of the GNUstep GUI Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; see the file COPYING.LIB.
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If not, see <http://www.gnu.org/licenses/> or write to the
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Free Software Foundation, 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef _GNUstep_H_NSGradient
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#define _GNUstep_H_NSGradient
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#import <GNUstepBase/GSVersionMacros.h>
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#if OS_API_VERSION(MAC_OS_X_VERSION_10_5, GS_API_LATEST)
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#import <Foundation/Foundation.h>
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typedef NSUInteger NSGradientDrawingOptions;
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enum {
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NSGradientDrawsBeforeStartingLocation = 1,
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NSGradientDrawsAfterEndingLocation = 2
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};
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@class NSBezierPath;
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@class NSColor;
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@class NSColorSpace;
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@interface NSGradient : NSObject <NSCopying, NSCoding>
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{
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NSColorSpace *_colorSpace;
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NSArray *_colors;
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CGFloat *_locations;
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NSInteger _numberOfColorStops;
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}
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- (NSColorSpace *) colorSpace;
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- (void) drawFromCenter: (NSPoint)startCenter
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radius: (CGFloat)startRadius
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toCenter: (NSPoint)endCenter
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radius: (CGFloat)endRadius
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options: (NSGradientDrawingOptions)options;
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- (void) drawFromPoint: (NSPoint)startPoint
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toPoint: (NSPoint)endPoint
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options: (NSGradientDrawingOptions)options;
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- (void) drawInBezierPath: (NSBezierPath *)path angle: (CGFloat)angle;
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- (void) drawInBezierPath: (NSBezierPath *)path
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relativeCenterPosition: (NSPoint)relativeCenterPoint;
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- (void) drawInRect: (NSRect)rect angle: (CGFloat)angle;
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- (void) drawInRect: (NSRect)rect relativeCenterPosition: (NSPoint)relativeCenterPoint;
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- (void) getColor: (NSColor **)color
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location: (CGFloat *)locatuib
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atIndex: (NSInteger)index;
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- (id) initWithColors: (NSArray *)colArray;
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- (id) initWithColors: (NSArray *)colArray
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atLocations: (const CGFloat *)locs
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colorSpace: (NSColorSpace *)colSpace;
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- (id) initWithColorsAndLocations: (NSColor *)color, ...;
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- (id) initWithStartingColor: (NSColor *)startColor endingColor: (NSColor *)endColor;
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- (NSColor *) interpolatedColorAtLocation: (CGFloat)location;
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- (NSInteger) numberOfColorStops;
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@end
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#endif
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#endif // _GNUstep_H_NSGradient
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