pdf417view.h

pdf417二维条码算法源程序

/*
pdf417View.h

pdf417View, An IBPalette for drawing pdf417 2D barcodes
Copyright (C) 2005 Evan Courtney

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 2.1 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; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#import <Cocoa/Cocoa.h>
#include "pdf417lib.h"

#define NON_EMPTY_IMAGE				0
#define EMPTY_IMAGE					1
#define	ERROR_IMAGE					2

@interface pdf417View : NSView {
    NSImage	*pdf417Image;
	pdf417param p;
    BOOL	dragSessionInProgress;
	int		errorLevel;
	BOOL	isDragTarget;
	BOOL	isDragSource;
	int		imageState;
	IBOutlet NSText* inString;
}

- (id) initWithFrame:(NSRect)frame;
- (void)drawRect:(NSRect)rect;
- (int)drawWithText:(NSString *)string;
- (NSImage *)getImage;
- (NSData *)makeEPS;

- (NSDragOperation)draggingEntered:(id <NSDraggingInfo>)sender;
- (void)draggingExited:(id <NSDraggingInfo>)sender;
- (BOOL)prepareForDragOperation:(id <NSDraggingInfo>)sender;
- (BOOL)performDragOperation:(id <NSDraggingInfo>)sender;
- (void)concludeDragOperation:(id <NSDraggingInfo>)sender;
- (void)draw:(id)sender;

- (void)setErrorLevel:(int)level;
- (void)toggleTargetState;
- (void)toggleSourceState;
- (int)getErrorLevel;
- (BOOL)getTargetState;
- (BOOL)getSourceState;


@end