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Current File : //usr/include/GNUstep/AppKit/NSBitmapImageRep.h
/*
NSBitmapImageRep.h
Bitmap image representations
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_NSBitmapImageRep
#define _GNUstep_H_NSBitmapImageRep
#import <GNUstepBase/GSVersionMacros.h>
#import <AppKit/NSImageRep.h>
@class NSArray;
@class NSString;
@class NSData;
@class NSDictionary;
@class NSMutableData;
@class NSMutableDictionary;
@class NSColor;
/** Describes the type of compression used on an image. Possible compressions:
<list>
<item> NSTIFFCompressionNone; </item>
<item> NSTIFFCompressionCCITTFAX3; </item>
<item> NSTIFFCompressionCCITFAX4; </item>
<item> NSTIFFCompressionLZW; </item>
<item> NSTIFFCompressionJPEG; </item>
<item> NSTIFFCompressionNEXT; </item>
<item> NSTIFFCompressionPackBits. </item>
<item> NSTIFFCompressionOldJPEG; </item>
</list>
*/
typedef enum _NSTIFFCompression {
NSTIFFCompressionNone = 1,
NSTIFFCompressionCCITTFAX3 = 3,
NSTIFFCompressionCCITTFAX4 = 4,
NSTIFFCompressionLZW = 5,
NSTIFFCompressionJPEG = 6,
NSTIFFCompressionNEXT = 32766,
NSTIFFCompressionPackBits = 32773,
NSTIFFCompressionOldJPEG = 32865
} NSTIFFCompression;
#if OS_API_VERSION(GS_API_MACOSX, GS_API_LATEST)
/** Type of image
<list>
<item> NSTIFFFileType; </item>
<item> NSBMPFileType; Not implemented </item>
<item> NSGIFFileType; </item>
<item> NSJPEGFileType; </item>
<item> NSPNGFileType; </item>
<item> NSJPEG2000FileType. Not implemented </item>
</list>
*/
typedef enum _NSBitmapImageFileType {
NSTIFFFileType,
NSBMPFileType,
NSGIFFileType,
NSJPEGFileType,
NSPNGFileType,
NSJPEG2000FileType // available in Mac OS X v10.4
} NSBitmapImageFileType;
#if OS_API_VERSION(MAC_OS_X_VERSION_10_4, GS_API_LATEST)
typedef enum _NSBitmapFormat
{
NSAlphaFirstBitmapFormat = 1,
NSAlphaNonpremultipliedBitmapFormat = 2,
NSFloatingPointSamplesBitmapFormat = 4
} NSBitmapFormat;
typedef enum _NSImageRepLoadStatus
{
NSImageRepLoadStatusUnknownType = -1,
NSImageRepLoadStatusReadingHeader = -2,
NSImageRepLoadStatusWillNeedAllData = -3,
NSImageRepLoadStatusInvalidData = -4,
NSImageRepLoadStatusUnexpectedEOF = -5,
NSImageRepLoadStatusCompleted = -6
} NSImageRepLoadStatus;
#endif
APPKIT_EXPORT NSString *NSImageCompressionMethod; // NSNumber; only for TIFF files
APPKIT_EXPORT NSString *NSImageCompressionFactor; // NSNumber 0.0 to 255.0; only for JPEG files (GNUstep extension: JPEG-compressed TIFFs too)
APPKIT_EXPORT NSString *NSImageDitherTranparency; // NSNumber boolean; only for writing GIF files
APPKIT_EXPORT NSString *NSImageRGBColorTable; // NSData; only for reading & writing GIF files
APPKIT_EXPORT NSString *NSImageInterlaced; // NSNumber boolean; only for writing PNG files
APPKIT_EXPORT NSString *NSImageColorSyncProfileData; // Mac OX X only
//APPKIT_EXPORT NSString *GSImageICCProfileData; // if & when color management comes to GNUstep
APPKIT_EXPORT NSString *NSImageFrameCount; // NSNumber integer; only for reading animated GIF files
APPKIT_EXPORT NSString *NSImageCurrentFrame; // NSNumber integer; only for animated GIF files
APPKIT_EXPORT NSString *NSImageCurrentFrameDuration; // NSNumber float; only for reading animated GIF files
APPKIT_EXPORT NSString *NSImageLoopCount; // NSNumber integer; only for reading animated GIF files
APPKIT_EXPORT NSString *NSImageGamma; // NSNumber 0.0 to 1.0; only for reading & writing PNG files
APPKIT_EXPORT NSString *NSImageProgressive; // NSNumber boolean; only for reading & writing JPEG files
APPKIT_EXPORT NSString *NSImageEXIFData; // No GNUstep support yet; for reading & writing JPEG
#endif
@interface NSBitmapImageRep : NSImageRep
{
// Attributes
NSInteger _bytesPerRow;
NSInteger _numColors;
NSInteger _bitsPerPixel;
unsigned short _compression;
float _comp_factor;
NSMutableDictionary *_properties;
BOOL _isPlanar;
unsigned char **_imagePlanes;
NSData *_imageData;
#if OS_API_VERSION(MAC_OS_X_VERSION_10_4, GS_API_LATEST)
NSBitmapFormat _format;
#else
unsigned int _format;
#endif
}
//
// Allocating and Initializing a New NSBitmapImageRep Object
//
+ (id) imageRepWithData: (NSData*)imageData;
+ (NSArray*) imageRepsWithData: (NSData*)imageData;
- (id) initWithData: (NSData*)imageData;
- (id) initWithFocusedViewRect: (NSRect)rect;
- (id) initWithBitmapDataPlanes: (unsigned char**)planes
pixelsWide: (NSInteger)width
pixelsHigh: (NSInteger)height
bitsPerSample: (NSInteger)bitsPerSample
samplesPerPixel: (NSInteger)samplesPerPixel
hasAlpha: (BOOL)alpha
isPlanar: (BOOL)isPlanar
colorSpaceName: (NSString*)colorSpaceName
bytesPerRow: (NSInteger)rowBytes
bitsPerPixel: (NSInteger)pixelBits;
#if OS_API_VERSION(GS_API_MACOSX, GS_API_LATEST)
- (void)colorizeByMappingGray:(CGFloat)midPoint
toColor:(NSColor *)midPointColor
blackMapping:(NSColor *)shadowColor
whiteMapping:(NSColor *)lightColor;
- (id)initWithBitmapHandle:(void *)bitmap;
- (id)initWithIconHandle:(void *)icon;
#endif
#if OS_API_VERSION(MAC_OS_X_VERSION_10_2, GS_API_LATEST)
- (NSInteger) incrementalLoadFromData: (NSData *)data complete: (BOOL)complete;
- (id) initForIncrementalLoad;
#endif
#if OS_API_VERSION(MAC_OS_X_VERSION_10_4, GS_API_LATEST)
- (id) initWithBitmapDataPlanes: (unsigned char**)planes
pixelsWide: (NSInteger)width
pixelsHigh: (NSInteger)height
bitsPerSample: (NSInteger)bps
samplesPerPixel: (NSInteger)spp
hasAlpha: (BOOL)alpha
isPlanar: (BOOL)isPlanar
colorSpaceName: (NSString*)colorSpaceName
bitmapFormat: (NSBitmapFormat)bitmapFormat
bytesPerRow: (NSInteger)rowBytes
bitsPerPixel: (NSInteger)pixelBits;
#endif
//
// Getting Information about the Image
//
- (NSInteger) bitsPerPixel;
- (NSInteger) samplesPerPixel;
- (BOOL) isPlanar;
- (NSInteger) numberOfPlanes;
- (NSInteger) bytesPerPlane;
- (NSInteger) bytesPerRow;
//
// Getting Image Data
//
- (unsigned char*) bitmapData;
- (void) getBitmapDataPlanes: (unsigned char**)data;
#if OS_API_VERSION(MAC_OS_X_VERSION_10_4, GS_API_LATEST)
- (NSBitmapFormat) bitmapFormat;
- (void) getPixel: (NSUInteger[])pixelData atX: (NSInteger)x y: (NSInteger)y;
- (void) setPixel: (NSUInteger[])pixelData atX: (NSInteger)x y: (NSInteger)y;
- (NSColor*) colorAtX: (NSInteger)x y: (NSInteger)y;
- (void) setColor: (NSColor*)color atX: (NSInteger)x y: (NSInteger)y;
#endif
//
// Producing a TIFF Representation of the Image
//
+ (NSData*) TIFFRepresentationOfImageRepsInArray: (NSArray*)anArray;
+ (NSData*) TIFFRepresentationOfImageRepsInArray: (NSArray*)anArray
usingCompression: (NSTIFFCompression)type
factor: (float)factor;
- (NSData*) TIFFRepresentation;
- (NSData*) TIFFRepresentationUsingCompression: (NSTIFFCompression)type
factor: (float)factor;
#if OS_API_VERSION(GS_API_MACOSX, GS_API_LATEST)
+ (NSData *)representationOfImageRepsInArray:(NSArray *)imageReps
usingType:(NSBitmapImageFileType)storageType
properties:(NSDictionary *)properties;
- (NSData *)representationUsingType:(NSBitmapImageFileType)storageType
properties:(NSDictionary *)properties;
#endif
//
// Setting and Checking Compression Types
//
+ (void) getTIFFCompressionTypes: (const NSTIFFCompression**)list
count: (NSInteger*)numTypes;
+ (NSString*) localizedNameForTIFFCompressionType: (NSTIFFCompression)type;
- (BOOL) canBeCompressedUsing: (NSTIFFCompression)compression;
- (void) getCompression: (NSTIFFCompression*)compression
factor: (float*)factor;
- (void) setCompression: (NSTIFFCompression)compression
factor: (float)factor;
#if OS_API_VERSION(GS_API_MACOSX, GS_API_LATEST)
- (void)setProperty:(NSString *)property withValue:(id)value;
- (id)valueForProperty:(NSString *)property;
#endif
@end
@interface NSBitmapImageRep (GNUstepExtension)
+ (NSArray*) imageRepsWithFile: (NSString *)filename;
@end
#endif // _GNUstep_H_NSBitmapImageRep
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