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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@26619 72102866-910b-0410-8b05-ffd578937521
164 lines
4.2 KiB
Objective-C
164 lines
4.2 KiB
Objective-C
/*
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NSImageRep.h
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Abstract representation of an image.
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Copyright (C) 1996 Free Software Foundation, Inc.
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Written by: Adam Fedor <fedor@colorado.edu>
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Date: Feb 1996
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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_NSImageRep
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#define _GNUstep_H_NSImageRep
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#import <GNUstepBase/GSVersionMacros.h>
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#include <Foundation/NSGeometry.h>
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#include <AppKit/AppKitDefines.h>
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@class NSString;
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@class NSArray;
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@class NSData;
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@class NSPasteboard;
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enum {
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NSImageRepMatchesDevice
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};
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@interface NSImageRep : NSObject <NSCoding, NSCopying>
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{
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// Attributes
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NSString* _colorSpace;
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NSSize _size;
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BOOL _hasAlpha;
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BOOL _isOpaque;
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int _bitsPerSample;
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int _pixelsWide;
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int _pixelsHigh;
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}
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//
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// Creating an NSImageRep
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//
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/** Returns a NSImageRep with the contents of filename.
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*/
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+ (id)imageRepWithContentsOfFile:(NSString *)filename;
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/** Returns an array of newly allocated NSImageRep objects with the
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* contents of filename.
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*/
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+ (NSArray *)imageRepsWithContentsOfFile:(NSString *)filename;
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+ (id)imageRepWithPasteboard:(NSPasteboard *)pasteboard;
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+ (NSArray *)imageRepsWithPasteboard:(NSPasteboard *)pasteboard;
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#if OS_API_VERSION(GS_API_MACOSX, GS_API_LATEST)
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+ (id)imageRepWithContentsOfURL:(NSURL *)anURL;
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+ (NSArray *)imageRepsWithContentsOfURL:(NSURL *)anURL;
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#endif
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//
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// Checking Data Types
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//
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/** Returns NO. It is the subclass' responsibility to implement this method.
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* <p>See Also:</p>
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* <list>
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* <item>[NSBitmapImageRep+canInitWithData:]</item>
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* </list>
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*/
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+ (BOOL)canInitWithData:(NSData *)data;
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+ (BOOL)canInitWithPasteboard:(NSPasteboard *)pasteboard;
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/** Returns array produced by calling -imageUnfilteredFileTypes.
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*/
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+ (NSArray *)imageFileTypes;
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+ (NSArray *)imagePasteboardTypes;
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/** Returns nil. It is the subclass' responsibility to implement this method.
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* <p>See Also:</p>
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* <list>
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* <item>[NSBitmapImageRep+imageUnfilteredFileTypes]</item>
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* </list>
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*/
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+ (NSArray *)imageUnfilteredFileTypes;
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+ (NSArray *)imageUnfilteredPasteboardTypes;
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//
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// Setting the Size of the Image
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//
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/** Sets the size of the image to aSize.
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*/
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- (void)setSize:(NSSize)aSize;
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/** Returns the size of the image.
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*/
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- (NSSize)size;
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//
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// Specifying Information about the Representation
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//
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/** Returns the bits per sample of the receiver.
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* <p>See Also:</p>
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* <list>
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* <item>-setBitsPerSample:</item>
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* </list>
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*/
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- (int)bitsPerSample;
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- (NSString *)colorSpaceName;
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- (BOOL)hasAlpha;
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- (BOOL)isOpaque;
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- (int)pixelsHigh;
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- (int)pixelsWide;
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- (void)setAlpha:(BOOL)flag;
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/** Sets the number of bits for each component of a pixel.
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* <p>See Also:</p>
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* <list>
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* <item>-bitsPerSample</item>
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* </list>
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*/
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- (void)setBitsPerSample:(int)anInt;
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- (void)setColorSpaceName:(NSString *)aString;
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- (void)setOpaque:(BOOL)flag;
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- (void)setPixelsHigh:(int)anInt;
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- (void)setPixelsWide:(int)anInt;
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//
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// Drawing the Image
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//
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- (BOOL)draw;
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- (BOOL)drawAtPoint:(NSPoint)aPoint;
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- (BOOL)drawInRect:(NSRect)aRect;
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//
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// Managing NSImageRep Subclasses
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//
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+ (Class)imageRepClassForData:(NSData *)data;
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+ (Class)imageRepClassForFileType:(NSString *)type;
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+ (Class)imageRepClassForPasteboardType:(NSString *)type;
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+ (void)registerImageRepClass:(Class)imageRepClass;
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+ (NSArray *)registeredImageRepClasses;
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+ (void)unregisterImageRepClass:(Class)imageRepClass;
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@end
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APPKIT_EXPORT NSString *NSImageRepRegistryChangedNotification;
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#endif // _GNUstep_H_NSImageRep
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