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Current File : //usr/include/GNUstep/AppKit/NSImage.h
/*
NSImage.h
Load, manipulate and display images
Copyright (C) 1996-2016 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_NSImage
#define _GNUstep_H_NSImage
#import <GNUstepBase/GSVersionMacros.h>
#import <AppKit/NSGraphicsContext.h>
#import <Foundation/NSBundle.h>
#import <AppKit/NSBitmapImageRep.h>
@class NSString;
@class NSMutableArray;
@class NSData;
@class NSURL;
@class NSPasteboard;
@class NSImageRep;
@class NSColor;
@class NSView;
/* Named images */
APPKIT_EXPORT NSString *NSImageNameMultipleDocuments;
#if OS_API_VERSION(MAC_OS_X_VERSION_10_5, GS_API_LATEST)
APPKIT_EXPORT NSString *NSImageNameUserAccounts;
APPKIT_EXPORT NSString *NSImageNamePreferencesGeneral;
APPKIT_EXPORT NSString *NSImageNameAdvanced;
APPKIT_EXPORT NSString *NSImageNameInfo;
APPKIT_EXPORT NSString *NSImageNameFontPanel;
APPKIT_EXPORT NSString *NSImageNameColorPanel;
#endif
#if OS_API_VERSION(MAC_OS_X_VERSION_10_6, GS_API_LATEST)
APPKIT_EXPORT NSString *NSImageNameTrashEmpty;
APPKIT_EXPORT NSString *NSImageNameTrashFull;
APPKIT_EXPORT NSString *NSImageNameCaution;
#endif
/** Defines how an NSImage is to be cached. Possible values are:
* <list>
* <item>NSImageCacheDefault</item>
* <item>NSImageCacheAlways</item>
* <item>NSImageCacheBySize</item>
* <item>NSImageCacheNever</item>
* </list>
* <p>See Also:</p>
* <list>
* <item>-setCacheMode:</item>
* <item>-cacheMode</item>
* </list>
*/
typedef enum {
NSImageCacheDefault,
NSImageCacheAlways,
NSImageCacheBySize,
NSImageCacheNever
} NSImageCacheMode;
#if OS_API_VERSION(MAC_OS_X_VERSION_10_5, GS_API_LATEST)
APPKIT_EXTERN NSString *const NSImageNameQuickLookTemplate;
APPKIT_EXTERN NSString *const NSImageNameBluetoothTemplate;
APPKIT_EXTERN NSString *const NSImageNameIChatTheaterTemplate;
APPKIT_EXTERN NSString *const NSImageNameSlideshowTemplate;
APPKIT_EXTERN NSString *const NSImageNameActionTemplate;
APPKIT_EXTERN NSString *const NSImageNameSmartBadgeTemplate;
APPKIT_EXTERN NSString *const NSImageNameIconViewTemplate;
APPKIT_EXTERN NSString *const NSImageNameListViewTemplate;
APPKIT_EXTERN NSString *const NSImageNameColumnViewTemplate;
APPKIT_EXTERN NSString *const NSImageNameFlowViewTemplate;
APPKIT_EXTERN NSString *const NSImageNamePathTemplate;
APPKIT_EXTERN NSString *const NSImageNameInvalidDataFreestandingTemplate;
APPKIT_EXTERN NSString *const NSImageNameLockLockedTemplate;
APPKIT_EXTERN NSString *const NSImageNameLockUnlockedTemplate;
APPKIT_EXTERN NSString *const NSImageNameGoRightTemplate;
APPKIT_EXTERN NSString *const NSImageNameGoLeftTemplate;
APPKIT_EXTERN NSString *const NSImageNameRightFacingTriangleTemplate;
APPKIT_EXTERN NSString *const NSImageNameLeftFacingTriangleTemplate;
APPKIT_EXTERN NSString *const NSImageNameAddTemplate;
APPKIT_EXTERN NSString *const NSImageNameRemoveTemplate;
APPKIT_EXTERN NSString *const NSImageNameRevealFreestandingTemplate;
APPKIT_EXTERN NSString *const NSImageNameFollowLinkFreestandingTemplate;
APPKIT_EXTERN NSString *const NSImageNameEnterFullScreenTemplate;
APPKIT_EXTERN NSString *const NSImageNameExitFullScreenTemplate;
APPKIT_EXTERN NSString *const NSImageNameStopProgressTemplate;
APPKIT_EXTERN NSString *const NSImageNameStopProgressFreestandingTemplate;
APPKIT_EXTERN NSString *const NSImageNameRefreshTemplate;
APPKIT_EXTERN NSString *const NSImageNameRefreshFreestandingTemplate;
APPKIT_EXTERN NSString *const NSImageNameBonjour;
APPKIT_EXTERN NSString *const NSImageNameComputer;
APPKIT_EXTERN NSString *const NSImageNameFolderBurnable;
APPKIT_EXTERN NSString *const NSImageNameFolderSmart;
APPKIT_EXTERN NSString *const NSImageNameNetwork;
#endif
#if OS_API_VERSION(MAC_OS_X_VERSION_10_6, GS_API_LATEST)
APPKIT_EXTERN NSString *const NSImageNameFolder;
#endif
@interface NSImage : NSObject <NSCoding, NSCopying>
{
// Attributes
NSString *_name;
NSString *_fileName;
NSSize _size;
struct __imageFlags {
unsigned archiveByName: 1;
unsigned scalable: 1;
unsigned dataRetained: 1;
unsigned flipDraw: 1;
unsigned sizeWasExplicitlySet: 1;
unsigned useEPSOnResolutionMismatch: 1;
unsigned colorMatchPreferred: 1;
unsigned multipleResolutionMatching: 1;
unsigned cacheSeparately: 1;
unsigned unboundedCacheDepth: 1;
unsigned syncLoad: 1;
} _flags;
NSMutableArray *_reps;
NSColor *_color;
NSView *_lockedView;
id _delegate;
NSImageCacheMode _cacheMode;
}
//
// Initializing a New NSImage Instance
//
/** Initializes and returns a NSImage from the NSString fileName.
*/
- (id) initByReferencingFile: (NSString*)fileName;
/** Initializes and returns a new NSImage from the file
* fileName. fileName should be an absolute path.
* <p>See Also:</p>
* <list>
* <item>[NSImageRep+imageRepsWithContentsOfFile:]</item>
* </list>
*/
- (id) initWithContentsOfFile: (NSString*)fileName;
/** Initializes and returns a new NSImage from the NSData data.
* <p>See Also:</p>
* <list>
* <item>[NSBitmapImageRep+imageRepWithData:]</item>
* <item>[NSEPSImageRep+imageRepWithData:]</item>
* </list>
*/
- (id) initWithData: (NSData*)data;
/** Initializes and returns a new NSImage from the data in pasteboard.
* The pasteboard types can be whose defined in
* [NSImageRep+imagePasteboardTypes] or NSFilenamesPboardType
* <p>See Also:</p>
* <list>
* <item>[NSImageRep+imageRepsWithPasteboard:]</item>
* </list>
*/
- (id) initWithPasteboard: (NSPasteboard*)pasteboard;
/** Initialize and returns a new NSImage with aSize as specified
* size.
* <p>See Also:</p>
* <list>
* <item>-setSize:</item>
* <item>-size</item>
* </list>
*/
- (id) initWithSize: (NSSize)aSize;
#if OS_API_VERSION(GS_API_MACOSX, GS_API_LATEST)
- (id)initWithBitmapHandle:(void *)bitmap;
- (id)initWithContentsOfURL:(NSURL *)anURL;
- (id)initWithIconHandle:(void *)icon;
#endif
//
// Setting the Size of the Image
//
/** Sets the NSImage size to aSize. Changing the size recreate
* the cache.
* <p>See Also:</p>
* <list>
* <item>-size</item>
* <item>-initWithSize:</item>
* </list>
*/
- (void) setSize: (NSSize)aSize;
/** Returns NSImage size if the size have been set. Returns the
* size of the best representation otherwise.
* <p>See Also:</p>
* <list>
* <item>-setSize:</item>
* <item>-initWithSize:</item>
* </list>
*/
- (NSSize) size;
//
// Referring to Images by Name
//
/** Returns the NSImage named aName. The search is done in the main bundle
* first and then in the usual images directories.
*/
+ (id) imageNamed: (NSString*)aName;
#if OS_API_VERSION(GS_API_MACOSX, GS_API_LATEST)
#if OS_API_VERSION(GS_API_NONE, GS_API_NONE)
+ (NSImage*) _standardImageWithName: (NSString*)name;
#endif
#endif
/** Sets aName as the name of the receiver.
*/
- (BOOL) setName: (NSString*)aName;
/** Returns the name of the receiver.
*/
- (NSString*) name;
//
// Specifying the Image
//
/** Adds the NSImageRep imageRep to the NSImage's representations array.
* <p>See Also:</p>
* <list>
* <item>-addRepresentations:</item>
* <item>-removeRepresentation:</item>
* </list>
*/
- (void) addRepresentation: (NSImageRep*)imageRep;
/** Adds the NSImageRep array imageRepArray to the NSImage's
* representations array.
* <p>See Also:</p>
* <list>
* <item>-addRepresentation:</item>
* <item>-removeRepresentation:</item>
* </list>
*/
- (void) addRepresentations: (NSArray*)imageRepArray;
/** Locks the focus on the best representation.
* <p>See Also:</p>
* <list>
* <item>-lockFocusOnRepresentation:</item>
* </list>
*/
- (void) lockFocus;
/** Locks the focus in the imageRep. If imageRep is nil this method
* locks the focus on the best representation.
*/
- (void) lockFocusOnRepresentation: (NSImageRep*)imageRep;
/** Unlocks the focus on the receiver.
* <p>See Also:</p>
* <list>
* <item>-lockFocus</item>
* </list>
*/
- (void) unlockFocus;
//
// Using the Image
//
- (void) compositeToPoint: (NSPoint)aPoint
operation: (NSCompositingOperation)op;
- (void) compositeToPoint: (NSPoint)aPoint
fromRect: (NSRect)aRect
operation: (NSCompositingOperation)op;
- (void) dissolveToPoint: (NSPoint)aPoint
fraction: (CGFloat)aFloat;
- (void) dissolveToPoint: (NSPoint)aPoint
fromRect: (NSRect)aRect
fraction: (CGFloat)aFloat;
#if OS_API_VERSION(GS_API_MACOSX, GS_API_LATEST)
- (void) compositeToPoint: (NSPoint)aPoint
fromRect: (NSRect)srcRect
operation: (NSCompositingOperation)op
fraction: (CGFloat)delta;
- (void) compositeToPoint: (NSPoint)aPoint
operation: (NSCompositingOperation)op
fraction: (CGFloat)delta;
#endif
//
// Choosing Which Image Representation to Use
//
/** Sets the preferred representation of a NSImage.
* <p>See Also:</p>
* <list>
* <item>-prefersColorMatch</item>
* <item>-bestRepresentationForDevice:</item>
* </list>
*/
- (void) setPrefersColorMatch: (BOOL)flag;
/** Returns YES if color matching is the preferred representation
* and NO otherwise.
*/
- (BOOL) prefersColorMatch;
- (void) setUsesEPSOnResolutionMismatch: (BOOL)flag;
- (BOOL) usesEPSOnResolutionMismatch;
- (void) setMatchesOnMultipleResolution: (BOOL)flag;
- (BOOL) matchesOnMultipleResolution;
//
// Getting the Representations
//
/** Finds the best representation for deviceDescription. If
* deviceDescription is nil, it guesses where drawing is taking
* place and finds the best representation.
*/
- (NSImageRep*) bestRepresentationForDevice: (NSDictionary*)deviceDescription;
#if OS_API_VERSION(MAC_OS_X_VERSION_10_6, GS_API_LATEST)
/**
* Finds the best representation for drawing in the specified rect.
*
* context and hints are currently ignored.
*/
- (NSImageRep *)bestRepresentationForRect: (NSRect)rect
context: (NSGraphicsContext *)context
hints: (NSDictionary *)hints;
#endif
- (NSArray*) representations;
/** Remove the NSImageRep imageRep from the NSImage's representations
* array
* <p>See Also:</p>
* <list>
* <item>-addRepresentations:</item>
* <item>-addRepresentation:</item>
* </list>
*/
- (void) removeRepresentation: (NSImageRep*)imageRep;
//
// Determining How the Image is Stored
//
- (void) setCachedSeparately: (BOOL)flag;
- (BOOL) isCachedSeparately;
- (void) setDataRetained: (BOOL)flag;
- (BOOL) isDataRetained;
- (void) setCacheDepthMatchesImageDepth: (BOOL)flag;
- (BOOL) cacheDepthMatchesImageDepth;
- (void) setCacheMode: (NSImageCacheMode)mode;
- (NSImageCacheMode) cacheMode;
//
// Drawing
//
- (BOOL) drawRepresentation: (NSImageRep*)imageRep
inRect: (NSRect)aRect;
#if OS_API_VERSION(GS_API_MACOSX, GS_API_LATEST)
/** Calls -drawAtPoint:fromRect:operation:fraction: with
* <code>dstRect</code> given by <code>point</code> and the size of
* <code>srcRect</code>.
*/
- (void) drawAtPoint: (NSPoint)point
fromRect: (NSRect)srcRect
operation: (NSCompositingOperation)op
fraction: (CGFloat)delta;
/** <p>Takes the part of the receiver given by <code>srcRect</code> and
* draws it in <code>dstRect</code> in the current coordinate system,
* transforming the image as necessary.
* </p><p>
* The image is drawn as if it was drawn to a cleared window, then
* dissolved using the fraction <code>delta</code> to another cleared
* window, and finally composited using <code>op</code> to the
* destination.
* </p><p>
* Note that compositing and dissolving doesn't work on all devices
* (printers, in particular).
* </p>
*/
- (void) drawInRect: (NSRect)dstRect
fromRect: (NSRect)srcRect
operation: (NSCompositingOperation)op
fraction: (CGFloat)delta;
#endif
#if OS_API_VERSION(MAC_OS_X_VERSION_10_6, GS_API_LATEST)
- (void) drawInRect: (NSRect)dstRect
fromRect: (NSRect)srcRect
operation: (NSCompositingOperation)op
fraction: (CGFloat)delta
respectFlipped: (BOOL)respectFlipped
hints: (NSDictionary*)hints;
#endif
/**
* <p>Draws the entire image in <code>rect</code> scaling if needed.<br>
* Drawing is done using <code>NSCompositeSourceOver</code>.
* </p>
*/
#if OS_API_VERSION(MAC_OS_X_VERSION_10_6, GS_API_LATEST)
- (void) drawInRect: (NSRect)rect;
#endif
//
// Determining How the Image is Drawn
//
- (BOOL) isValid;
- (void) setScalesWhenResized: (BOOL)flag;
- (BOOL) scalesWhenResized;
/** Sets the color of the NSImage's background to aColor.
* <p>See Also:</p>
* <list>
* <item>-backgroundColor</item>
* </list>
*/
- (void) setBackgroundColor: (NSColor*)aColor;
/** Returns the color of the NSImage's background.
* <p>See Also:</p>
* <list>
* <item>-setBackgroundColor:</item>
* </list>
*/
- (NSColor*) backgroundColor;
- (void) recache;
- (void) setFlipped: (BOOL)flag;
- (BOOL) isFlipped;
//
// Assigning a Delegate
//
- (void) setDelegate: (id)anObject;
- (id) delegate;
//
// Producing TIFF Data for the Image
//
- (NSData*) TIFFRepresentation;
- (NSData*) TIFFRepresentationUsingCompression: (NSTIFFCompression)comp
factor: (float)aFloat;
//
// Managing NSImageRep Subclasses
//
+ (NSArray*) imageUnfilteredFileTypes;
+ (NSArray*) imageUnfilteredPasteboardTypes;
//
// Testing Image Data Sources
//
+ (BOOL) canInitWithPasteboard: (NSPasteboard*)pasteboard;
+ (NSArray*) imageFileTypes;
+ (NSArray*) imagePasteboardTypes;
@end
@interface NSImage (GSQuartz)
#if OS_API_VERSION(MAC_OS_X_VERSION_10_6, GS_API_LATEST)
- (CGImageRef)CGImageForProposedRect: (NSRect *)proposedDestRect
context: (NSGraphicsContext *)referenceContext
hints: (NSDictionary *)hints;
#endif
@end
@interface NSBundle (NSImageAdditions)
- (NSString*) pathForImageResource: (NSString*)name;
@end
#if OS_API_VERSION(GS_API_NONE, GS_API_NONE)
/*
* A formal protocol that duplicates the informal protocol for delegates.
*/
@protocol GSImageDelegateProtocol
- (NSImage*) imageDidNotDraw: (id)sender
inRect: (NSRect)aRect;
@end
#endif
#endif // _GNUstep_H_NSImage
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