mirror of
https://github.com/gnustep/libs-gui.git
synced 2025-05-31 20:40:47 +00:00
Corrected some methods on this class so that subclasses may use
them. Moved all the class methods to the front of the file. git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@10113 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
FredKiefer
parent
7a995b5964
commit
e8448db22a
1 changed files with 200 additions and 179 deletions
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@ -44,7 +44,8 @@
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#include <AppKit/NSColor.h>
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#include <AppKit/DPSOperators.h>
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static NSMutableArray* imageReps = NULL;
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static NSMutableArray *imageReps = nil;
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static Class NSImageRep_class = NULL;
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@implementation NSImageRep
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@ -55,6 +56,8 @@ static NSMutableArray* imageReps = NULL;
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if (self == [NSImageRep class])
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{
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id obj;
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NSImageRep_class = self;
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imageReps = [[NSMutableArray alloc] initWithCapacity: 2];
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obj = [[NSUserDefaults standardUserDefaults]
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stringForKey: @"ImageCompositing"];
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@ -64,331 +67,6 @@ static NSMutableArray* imageReps = NULL;
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}
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}
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// Creating an NSImageRep
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+ (id) imageRepWithContentsOfFile: (NSString *)filename
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{
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NSArray* array;
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array = [self imageRepsWithContentsOfFile: filename];
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if ([array count])
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return [array objectAtIndex: 0];
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return nil;
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}
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+ (NSArray *) imageRepsWithContentsOfFile: (NSString *)filename
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{
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int i, count;
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NSString *ext;
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NSMutableArray *array;
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ext = [filename pathExtension];
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// FIXME: Should this be an exception? Should we even check this?
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if (!ext)
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{
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NSLog(@"Extension missing from filename - '%@'", filename);
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return nil;
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}
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array = [NSMutableArray arrayWithCapacity: 1];
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count = [imageReps count];
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for (i = 0; i < count; i++)
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{
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Class rep = [imageReps objectAtIndex: i];
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if ([[rep imageFileTypes] indexOfObject: ext] != NSNotFound)
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{
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// This is some GNUstep extension for special file types
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if ([rep respondsToSelector: @selector(imageRepsWithFile:)])
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[array addObjectsFromArray: [rep imageRepsWithFile: filename]];
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else
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{
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NSData* data;
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data = [NSData dataWithContentsOfFile: filename];
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if ([rep respondsToSelector: @selector(imageRepsWithData:)])
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[array addObjectsFromArray: [rep imageRepsWithData: data]];
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else if ([rep respondsToSelector: @selector(imageRepWithData:)])
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{
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NSImageRep *imageRep = [rep imageRepWithData: data];
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if (rep != nil)
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[array addObject: imageRep];
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}
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}
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}
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}
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return (NSArray *)array;
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}
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+ (id) imageRepWithPasteboard: (NSPasteboard *)pasteboard
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{
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NSArray* array;
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array = [self imageRepsWithPasteboard: pasteboard];
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if ([array count])
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return [array objectAtIndex: 0];
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return nil;
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}
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+ (NSArray *) imageRepsWithPasteboard: (NSPasteboard *)pasteboard
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{
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int i, count;
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NSMutableArray* array;
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array = [NSMutableArray arrayWithCapacity: 1];
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count = [imageReps count];
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for (i = 0; i < count; i++)
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{
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NSString* ptype;
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Class rep = [imageReps objectAtIndex: i];
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ptype = [pasteboard availableTypeFromArray: [rep imagePasteboardTypes]];
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if (ptype != nil)
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{
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NSData* data = [pasteboard dataForType: ptype];
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if ([rep respondsToSelector: @selector(imageRepsWithData:)])
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[array addObjectsFromArray: [rep imageRepsWithData: data]];
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else if ([rep respondsToSelector: @selector(imageRepWithData:)])
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{
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NSImageRep *imageRep = [rep imageRepWithData: data];
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if (rep != nil)
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[array addObject: imageRep];
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}
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}
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}
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return (NSArray *)array;
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}
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+ (id)imageRepWithContentsOfURL:(NSURL *)anURL
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{
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NSArray* array;
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array = [self imageRepsWithContentsOfURL: anURL];
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if ([array count])
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return [array objectAtIndex: 0];
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return nil;
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}
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+ (NSArray *)imageRepsWithContentsOfURL:(NSURL *)anURL
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{
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int i, count;
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NSString *ext;
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NSMutableArray *array;
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ext = [[anURL path] pathExtension];
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// FIXME: Should this be an exception? Should we even check this?
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if (!ext)
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{
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NSLog(@"Extension missing from URL - '%@'", [anURL path]);
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return nil;
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}
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array = [NSMutableArray arrayWithCapacity: 1];
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count = [imageReps count];
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for (i = 0; i < count; i++)
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{
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Class rep = [imageReps objectAtIndex: i];
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if ([[rep imageFileTypes] indexOfObject: ext] != NSNotFound)
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{
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NSData* data;
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data = [anURL resourceDataUsingCache: YES];
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if ([rep respondsToSelector: @selector(imageRepsWithData:)])
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[array addObjectsFromArray: [rep imageRepsWithData: data]];
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else if ([rep respondsToSelector: @selector(imageRepWithData:)])
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{
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NSImageRep *imageRep = [rep imageRepWithData: data];
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if (rep != nil)
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[array addObject: imageRep];
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}
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}
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}
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return (NSArray *)array;
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}
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- (id) copyWithZone: (NSZone *)zone
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{
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NSImageRep *copy;
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copy = (NSImageRep*)NSCopyObject(self, 0, zone);
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copy->_colorSpace = RETAIN(_colorSpace);
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return copy;
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}
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- (void) dealloc
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{
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RELEASE(_colorSpace);
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[super dealloc];
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}
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// Checking Data Types
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+ (BOOL) canInitWithData: (NSData *)data
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{
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/* Subclass responsibility */
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return NO;
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}
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+ (BOOL) canInitWithPasteboard: (NSPasteboard *)pasteboard
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{
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/* Subclass responsibility */
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return NO;
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}
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+ (NSArray *) imageFileTypes
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{
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/* Subclass responsibility */
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return nil;
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}
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+ (NSArray *) imagePasteboardTypes
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{
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/* Subclass responsibility */
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return nil;
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}
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+ (NSArray *) imageUnfilteredFileTypes
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{
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/* Subclass responsibility */
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return nil;
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}
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+ (NSArray *) imageUnfilteredPasteboardTypes
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{
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/* Subclass responsibility */
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return nil;
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}
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// Setting the Size of the Image
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- (void) setSize: (NSSize)aSize
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{
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_size = aSize;
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}
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- (NSSize) size
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{
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return _size;
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}
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// Specifying Information about the Representation
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- (int) bitsPerSample
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{
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return _bitsPerSample;
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}
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- (NSString *) colorSpaceName
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{
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return _colorSpace;
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}
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- (BOOL) hasAlpha
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{
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return _hasAlpha;
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}
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- (BOOL) isOpaque
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{
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return _isOpaque;
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}
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- (int) pixelsWide
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{
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return _pixelsWide;
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}
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- (int) pixelsHigh
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{
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return _pixelsHigh;
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}
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- (void) setAlpha: (BOOL)flag
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{
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_hasAlpha = flag;
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}
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- (void) setBitsPerSample: (int)anInt
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{
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_bitsPerSample = anInt;
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}
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- (void) setColorSpaceName: (NSString *)aString
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{
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ASSIGN(_colorSpace, aString);
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}
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- (void) setOpaque: (BOOL)flag
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{
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_isOpaque = flag;
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}
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- (void) setPixelsWide: (int)anInt
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{
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_pixelsWide = anInt;
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}
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- (void) setPixelsHigh: (int)anInt
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{
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_pixelsHigh = anInt;
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}
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// Drawing the Image
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- (BOOL) draw
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{
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return YES; /* Subclass should implement this. */
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}
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- (BOOL) drawAtPoint: (NSPoint)aPoint
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{
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BOOL ok, reset;
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NSGraphicsContext *ctxt;
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if (_size.width == 0 && _size.height == 0)
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return NO;
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NSDebugLLog(@"NSImage", @"Drawing at point %f %f\n", aPoint.x, aPoint.y);
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reset = 0;
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ctxt = GSCurrentContext();
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if (aPoint.x != 0 || aPoint.y != 0)
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{
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if ([[ctxt focusView] isFlipped])
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aPoint.y -= _size.height;
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DPSmatrix(ctxt); DPScurrentmatrix(ctxt);
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DPStranslate(ctxt, aPoint.x, aPoint.y);
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reset = 1;
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}
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ok = [self draw];
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if (reset)
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DPSsetmatrix(ctxt);
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return ok;
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}
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- (BOOL) drawInRect: (NSRect)aRect
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{
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NSSize scale;
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BOOL ok;
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NSGraphicsContext *ctxt;
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NSDebugLLog(@"NSImage", @"Drawing in rect (%f %f %f %f)\n",
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NSMinX(aRect), NSMinY(aRect), NSWidth(aRect), NSHeight(aRect));
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if (_size.width == 0 && _size.height == 0)
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return NO;
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ctxt = GSCurrentContext();
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scale = NSMakeSize(NSWidth(aRect) / _size.width,
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NSHeight(aRect) / _size.height);
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if ([[ctxt focusView] isFlipped])
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aRect.origin.y -= NSHeight(aRect);
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DPSmatrix(ctxt); DPScurrentmatrix(ctxt);
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DPStranslate(ctxt, NSMinX(aRect), NSMinY(aRect));
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DPSscale(ctxt, scale.width, scale.height);
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ok = [self draw];
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DPSsetmatrix(ctxt);
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return ok;
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}
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// Managing NSImageRep Subclasses
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+ (Class) imageRepClassForData: (NSData *)data
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{
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@ -472,6 +150,349 @@ static NSMutableArray* imageReps = NULL;
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object: self];
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}
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// Creating an NSImageRep
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+ (id) imageRepWithContentsOfFile: (NSString *)filename
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{
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NSArray* array;
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array = [self imageRepsWithContentsOfFile: filename];
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if ([array count])
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return [array objectAtIndex: 0];
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return nil;
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}
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+ (NSArray *) imageRepsWithContentsOfFile: (NSString *)filename
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{
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NSString *ext;
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Class rep;
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// Is the file extension already the file type?
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ext = [filename pathExtension];
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if (!ext)
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{
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// FIXME: Should this be an exception?
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NSLog(@"Extension missing from image filename - '%@'", filename);
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return nil;
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}
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if (self == NSImageRep_class)
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{
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rep = [self imageRepClassForFileType: ext];
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}
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else if ([[self imageFileTypes] containsObject: ext])
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{
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rep = self;
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}
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else
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return nil;
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// This is a GNUstep extension for special file types
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if ([rep respondsToSelector: @selector(imageRepsWithFile:)])
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return [rep imageRepsWithFile: filename];
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else
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{
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NSData* data;
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data = [NSData dataWithContentsOfFile: filename];
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if ([rep respondsToSelector: @selector(imageRepsWithData:)])
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return [rep imageRepsWithData: data];
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else if ([rep respondsToSelector: @selector(imageRepWithData:)])
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{
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NSImageRep *imageRep = [rep imageRepWithData: data];
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if (imageRep != nil)
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return [NSArray arrayWithObject: imageRep];
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}
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}
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return nil;
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}
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+ (id)imageRepWithContentsOfURL:(NSURL *)anURL
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{
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NSArray* array;
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array = [self imageRepsWithContentsOfURL: anURL];
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if ([array count])
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return [array objectAtIndex: 0];
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return nil;
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}
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+ (NSArray *)imageRepsWithContentsOfURL:(NSURL *)anURL
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{
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Class rep;
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NSData* data;
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// FIXME: Should we use the file type for URLs or only check the data?
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data = [anURL resourceDataUsingCache: YES];
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if (self == NSImageRep_class)
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{
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rep = [self imageRepClassForData: data];
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}
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else if ([self canInitWithData: data])
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{
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rep = self;
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}
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else
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return nil;
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if ([rep respondsToSelector: @selector(imageRepsWithData:)])
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return [rep imageRepsWithData: data];
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else if ([rep respondsToSelector: @selector(imageRepWithData:)])
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{
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NSImageRep *imageRep = [rep imageRepWithData: data];
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if (imageRep != nil)
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return [NSArray arrayWithObject: imageRep];
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}
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return nil;
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}
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+ (id) imageRepWithPasteboard: (NSPasteboard *)pasteboard
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{
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NSArray* array;
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array = [self imageRepsWithPasteboard: pasteboard];
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if ([array count])
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return [array objectAtIndex: 0];
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return nil;
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}
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+ (NSArray *) imageRepsWithPasteboard: (NSPasteboard *)pasteboard
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{
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int i, count;
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NSMutableArray* array;
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NSArray *reps;
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if (self == NSImageRep_class)
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{
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reps = imageReps;
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}
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else
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{
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reps = [NSArray arrayWithObject: self];
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}
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array = [NSMutableArray arrayWithCapacity: 1];
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count = [reps count];
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for (i = 0; i < count; i++)
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{
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NSString* ptype;
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Class rep = [reps objectAtIndex: i];
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ptype = [pasteboard availableTypeFromArray: [rep imagePasteboardTypes]];
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if (ptype != nil)
|
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{
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NSData* data = [pasteboard dataForType: ptype];
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if ([rep respondsToSelector: @selector(imageRepsWithData:)])
|
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[array addObjectsFromArray: [rep imageRepsWithData: data]];
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else if ([rep respondsToSelector: @selector(imageRepWithData:)])
|
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{
|
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NSImageRep *imageRep = [rep imageRepWithData: data];
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|
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if (rep != nil)
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[array addObject: imageRep];
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}
|
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}
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}
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|
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if ([array count] == 0)
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return nil;
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|
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return (NSArray *)array;
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||||
}
|
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|
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|
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// Checking Data Types
|
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+ (BOOL) canInitWithData: (NSData *)data
|
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{
|
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/* Subclass responsibility */
|
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return NO;
|
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}
|
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|
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+ (BOOL) canInitWithPasteboard: (NSPasteboard *)pasteboard
|
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{
|
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NSArray *pbTypes = [pasteboard types];
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NSArray *myTypes = [self imageUnfilteredPasteboardTypes];
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return ([pbTypes firstObjectCommonWithArray: myTypes] != nil);
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}
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+ (NSArray *) imageFileTypes
|
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{
|
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// FIXME: We should check what conversions are defined by services.
|
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return [self imageUnfilteredFileTypes];
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}
|
||||
|
||||
+ (NSArray *) imagePasteboardTypes
|
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{
|
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// FIXME: We should check what conversions are defined by services.
|
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return [self imageUnfilteredPasteboardTypes];
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||||
}
|
||||
|
||||
+ (NSArray *) imageUnfilteredFileTypes
|
||||
{
|
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/* Subclass responsibility */
|
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return nil;
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}
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||||
|
||||
+ (NSArray *) imageUnfilteredPasteboardTypes
|
||||
{
|
||||
/* Subclass responsibility */
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return nil;
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}
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// Instance methods
|
||||
- (void) dealloc
|
||||
{
|
||||
RELEASE(_colorSpace);
|
||||
[super dealloc];
|
||||
}
|
||||
|
||||
// Setting the Size of the Image
|
||||
- (void) setSize: (NSSize)aSize
|
||||
{
|
||||
_size = aSize;
|
||||
}
|
||||
|
||||
- (NSSize) size
|
||||
{
|
||||
return _size;
|
||||
}
|
||||
|
||||
// Specifying Information about the Representation
|
||||
- (int) bitsPerSample
|
||||
{
|
||||
return _bitsPerSample;
|
||||
}
|
||||
|
||||
- (NSString *) colorSpaceName
|
||||
{
|
||||
return _colorSpace;
|
||||
}
|
||||
|
||||
- (BOOL) hasAlpha
|
||||
{
|
||||
return _hasAlpha;
|
||||
}
|
||||
|
||||
- (BOOL) isOpaque
|
||||
{
|
||||
return _isOpaque;
|
||||
}
|
||||
|
||||
- (int) pixelsWide
|
||||
{
|
||||
return _pixelsWide;
|
||||
}
|
||||
|
||||
- (int) pixelsHigh
|
||||
{
|
||||
return _pixelsHigh;
|
||||
}
|
||||
|
||||
- (void) setAlpha: (BOOL)flag
|
||||
{
|
||||
_hasAlpha = flag;
|
||||
}
|
||||
|
||||
- (void) setBitsPerSample: (int)anInt
|
||||
{
|
||||
_bitsPerSample = anInt;
|
||||
}
|
||||
|
||||
- (void) setColorSpaceName: (NSString *)aString
|
||||
{
|
||||
ASSIGN(_colorSpace, aString);
|
||||
}
|
||||
|
||||
- (void) setOpaque: (BOOL)flag
|
||||
{
|
||||
_isOpaque = flag;
|
||||
}
|
||||
|
||||
- (void) setPixelsWide: (int)anInt
|
||||
{
|
||||
_pixelsWide = anInt;
|
||||
}
|
||||
|
||||
- (void) setPixelsHigh: (int)anInt
|
||||
{
|
||||
_pixelsHigh = anInt;
|
||||
}
|
||||
|
||||
// Drawing the Image
|
||||
- (BOOL) draw
|
||||
{
|
||||
/* Subclass should implement this. */
|
||||
return YES;
|
||||
}
|
||||
|
||||
- (BOOL) drawAtPoint: (NSPoint)aPoint
|
||||
{
|
||||
BOOL ok, reset;
|
||||
NSGraphicsContext *ctxt;
|
||||
|
||||
if (_size.width == 0 && _size.height == 0)
|
||||
return NO;
|
||||
|
||||
NSDebugLLog(@"NSImage", @"Drawing at point %f %f\n", aPoint.x, aPoint.y);
|
||||
reset = 0;
|
||||
ctxt = GSCurrentContext();
|
||||
if (aPoint.x != 0 || aPoint.y != 0)
|
||||
{
|
||||
if ([[ctxt focusView] isFlipped])
|
||||
aPoint.y -= _size.height;
|
||||
DPSmatrix(ctxt); DPScurrentmatrix(ctxt);
|
||||
DPStranslate(ctxt, aPoint.x, aPoint.y);
|
||||
reset = 1;
|
||||
}
|
||||
ok = [self draw];
|
||||
if (reset)
|
||||
DPSsetmatrix(ctxt);
|
||||
return ok;
|
||||
}
|
||||
|
||||
- (BOOL) drawInRect: (NSRect)aRect
|
||||
{
|
||||
NSSize scale;
|
||||
BOOL ok;
|
||||
NSGraphicsContext *ctxt;
|
||||
|
||||
NSDebugLLog(@"NSImage", @"Drawing in rect (%f %f %f %f)\n",
|
||||
NSMinX(aRect), NSMinY(aRect), NSWidth(aRect), NSHeight(aRect));
|
||||
if (_size.width == 0 && _size.height == 0)
|
||||
return NO;
|
||||
|
||||
ctxt = GSCurrentContext();
|
||||
scale = NSMakeSize(NSWidth(aRect) / _size.width,
|
||||
NSHeight(aRect) / _size.height);
|
||||
if ([[ctxt focusView] isFlipped])
|
||||
aRect.origin.y -= NSHeight(aRect);
|
||||
DPSmatrix(ctxt); DPScurrentmatrix(ctxt);
|
||||
DPStranslate(ctxt, NSMinX(aRect), NSMinY(aRect));
|
||||
DPSscale(ctxt, scale.width, scale.height);
|
||||
ok = [self draw];
|
||||
DPSsetmatrix(ctxt);
|
||||
return ok;
|
||||
}
|
||||
|
||||
// NSCopying protocol
|
||||
- (id) copyWithZone: (NSZone *)zone
|
||||
{
|
||||
NSImageRep *copy;
|
||||
|
||||
copy = (NSImageRep*)NSCopyObject(self, 0, zone);
|
||||
copy->_colorSpace = RETAIN(_colorSpace);
|
||||
|
||||
return copy;
|
||||
}
|
||||
|
||||
// NSCoding protocol
|
||||
- (void) encodeWithCoder: (NSCoder*)aCoder
|
||||
{
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue