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129 lines
3 KiB
Objective-C
129 lines
3 KiB
Objective-C
/* Implementation of class NSPDFImageRep
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Copyright (C) 2019 Free Software Foundation, Inc.
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By: Gregory Casamento <greg.casamento@gmail.com>
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Date: Fri Nov 15 04:24:27 EST 2019
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This file is part of the GNUstep Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110 USA.
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*/
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#import "config.h"
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#import <Foundation/NSString.h>
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#import <Foundation/NSData.h>
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#import "AppKit/NSPasteboard.h"
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#import "AppKit/NSPDFImageRep.h"
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#import <GNUstepGUI/GSImageMagickImageRep.h>
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@implementation NSPDFImageRep
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+ (BOOL) canInitWithData: (NSData *)imageData
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{
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NSData *header = [imageData subdataWithRange: NSMakeRange(0,4)];
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NSString *str = [[NSString alloc] initWithData: header encoding: NSUTF8StringEncoding];
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BOOL result = [str isEqualToString: @"%PDF"];
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AUTORELEASE(str);
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return result;
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}
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+ (NSArray *) imagePasteboardTypes
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{
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return [NSArray arrayWithObject: NSPDFPboardType];
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}
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+ (NSArray *) imageUnfilteredPasteboardTypes
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{
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return [self imagePasteboardTypes];
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}
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+ (NSArray *) imageFileTypes
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{
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return [NSArray arrayWithObjects: @"pdf", @"PDF", nil];
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}
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+ (NSArray *) imageUnfilteredFileTypes
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{
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return [self imageFileTypes];
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}
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+ (instancetype) imageRepWithData: (NSData *)imageData
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{
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return [[[self class] alloc] initWithData: imageData];
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}
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- (instancetype) initWithData: (NSData *)imageData
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{
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self = [super init];
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if(self != nil)
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{
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#if HAVE_IMAGEMAGICK
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ASSIGN(_pageReps, [GSImageMagickImageRep imageRepsWithData: imageData]);
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_size = [[_pageReps objectAtIndex: 0] size];
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_currentPage = 1;
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#else
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ASSIGN(_pageReps, [NSArray array]);
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_size = NSMakeSize(0,0);
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_currentPage = 0;
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#endif
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ASSIGNCOPY(_pdfRepresentation, imageData);
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}
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return self;
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}
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- (void) dealloc
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{
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RELEASE(_pageReps);
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RELEASE(_pdfRepresentation);
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[super dealloc];
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}
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- (NSRect) bounds
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{
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NSSize size = [self size];
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NSRect rect = NSMakeRect(0, 0, size.width, size.height);
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return rect;
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}
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- (NSInteger) currentPage
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{
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return _currentPage;
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}
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- (void) setCurrentPage: (NSInteger)currentPage
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{
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_currentPage = currentPage;
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}
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- (NSInteger) pageCount
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{
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return [_pageReps count];
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}
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- (NSData *) PDFRepresentation
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{
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return _pdfRepresentation;
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}
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// Override to draw the specified page...
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- (BOOL) draw
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{
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NSBitmapImageRep *rep = [_pageReps objectAtIndex: _currentPage - 1];
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return [rep draw];
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}
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@end
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