/usr/include/GNUstep/AppKit/NSImageRep.h is in libgnustep-gui-dev 0.25.0-4+b1.
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NSImageRep.h
Abstract representation of an image.
Copyright (C) 1996 Free Software Foundation, Inc.
Written by: Adam Fedor <fedor@colorado.edu>
Date: Feb 1996
This file is part of the GNUstep GUI Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; see the file COPYING.LIB.
If not, see <http://www.gnu.org/licenses/> or write to the
Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef _GNUstep_H_NSImageRep
#define _GNUstep_H_NSImageRep
#import <GNUstepBase/GSVersionMacros.h>
#import <Foundation/NSGeometry.h>
#import <Foundation/NSObject.h>
#import <AppKit/AppKitDefines.h>
#import <AppKit/NSGraphicsContext.h>
@class NSString;
@class NSArray;
@class NSData;
@class NSPasteboard;
enum {
NSImageRepMatchesDevice
};
@interface NSImageRep : NSObject <NSCoding, NSCopying>
{
// Attributes
NSString* _colorSpace;
NSSize _size;
BOOL _hasAlpha;
BOOL _isOpaque;
NSInteger _bitsPerSample;
NSInteger _pixelsWide;
NSInteger _pixelsHigh;
}
//
// Creating an NSImageRep
//
/** Returns a NSImageRep with the contents of filename.
*/
+ (id)imageRepWithContentsOfFile:(NSString *)filename;
/** Returns an array of newly allocated NSImageRep objects with the
* contents of filename.
*/
+ (NSArray *)imageRepsWithContentsOfFile:(NSString *)filename;
+ (id)imageRepWithPasteboard:(NSPasteboard *)pasteboard;
+ (NSArray *)imageRepsWithPasteboard:(NSPasteboard *)pasteboard;
#if OS_API_VERSION(GS_API_MACOSX, GS_API_LATEST)
+ (id)imageRepWithContentsOfURL:(NSURL *)anURL;
+ (NSArray *)imageRepsWithContentsOfURL:(NSURL *)anURL;
#endif
//
// Checking Data Types
//
/** Returns NO. It is the subclass' responsibility to implement this method.
* <p>See Also:</p>
* <list>
* <item>[NSBitmapImageRep+canInitWithData:]</item>
* </list>
*/
+ (BOOL)canInitWithData:(NSData *)data;
+ (BOOL)canInitWithPasteboard:(NSPasteboard *)pasteboard;
/** Returns array produced by calling -imageUnfilteredFileTypes.
*/
+ (NSArray *)imageFileTypes;
+ (NSArray *)imagePasteboardTypes;
/** Returns nil. It is the subclass' responsibility to implement this method.
* <p>See Also:</p>
* <list>
* <item>[NSBitmapImageRep+imageUnfilteredFileTypes]</item>
* </list>
*/
+ (NSArray *)imageUnfilteredFileTypes;
+ (NSArray *)imageUnfilteredPasteboardTypes;
//
// Setting the Size of the Image
//
/** Sets the size of the image to aSize.
*/
- (void)setSize:(NSSize)aSize;
/** Returns the size of the image.
*/
- (NSSize)size;
//
// Specifying Information about the Representation
//
/** Returns the bits per sample of the receiver.
* <p>See Also:</p>
* <list>
* <item>-setBitsPerSample:</item>
* </list>
*/
- (NSInteger)bitsPerSample;
- (NSString *)colorSpaceName;
- (BOOL)hasAlpha;
- (BOOL)isOpaque;
- (NSInteger)pixelsHigh;
- (NSInteger)pixelsWide;
- (void)setAlpha:(BOOL)flag;
/** Sets the number of bits for each component of a pixel.
* <p>See Also:</p>
* <list>
* <item>-bitsPerSample</item>
* </list>
*/
- (void)setBitsPerSample:(NSInteger)anInt;
- (void)setColorSpaceName:(NSString *)aString;
- (void)setOpaque:(BOOL)flag;
- (void)setPixelsHigh:(NSInteger)anInt;
- (void)setPixelsWide:(NSInteger)anInt;
//
// Drawing the Image
//
/**
* Primitive method which must be overridden by subclasses to
* perform their drawing. They should draw inside a rectangle
* with an origin at (0, 0) and a size equal to the
* receiver's size, and they should entirely fill this rectangle,
* overwriting the destination alpha as well.
*/
- (BOOL)draw;
- (BOOL)drawAtPoint:(NSPoint)aPoint;
- (BOOL)drawInRect:(NSRect)aRect;
#if OS_API_VERSION(MAC_OS_X_VERSION_10_6, GS_API_LATEST)
- (BOOL) drawInRect: (NSRect)dstRect
fromRect: (NSRect)srcRect
operation: (NSCompositingOperation)op
fraction: (CGFloat)delta
respectFlipped: (BOOL)respectFlipped
hints: (NSDictionary*)hints;
#endif
//
// Managing NSImageRep Subclasses
//
+ (Class)imageRepClassForData:(NSData *)data;
+ (Class)imageRepClassForFileType:(NSString *)type;
+ (Class)imageRepClassForPasteboardType:(NSString *)type;
+ (void)registerImageRepClass:(Class)imageRepClass;
+ (NSArray *)registeredImageRepClasses;
+ (void)unregisterImageRepClass:(Class)imageRepClass;
@end
APPKIT_EXPORT NSString *NSImageRepRegistryChangedNotification;
#endif // _GNUstep_H_NSImageRep
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