1/* 2 * Copyright (C) 2013 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#import "config.h" 27#import "PDFDocumentImage.h" 28 29#if USE(PDFKIT_FOR_PDFDOCUMENTIMAGE) 30 31#import "LocalCurrentGraphicsContext.h" 32#import "SharedBuffer.h" 33#import "SoftLinking.h" 34#import <Quartz/Quartz.h> 35#import <objc/objc-class.h> 36#import <wtf/RetainPtr.h> 37 38#ifdef __has_include 39#if __has_include(<ApplicationServices/ApplicationServicesPriv.h>) 40#import <ApplicationServices/ApplicationServicesPriv.h> 41#endif 42#endif 43 44SOFT_LINK_FRAMEWORK_IN_UMBRELLA(Quartz, PDFKit) 45SOFT_LINK_CLASS(PDFKit, PDFDocument) 46 47extern "C" { 48bool CGContextGetAllowsFontSmoothing(CGContextRef context); 49bool CGContextGetAllowsFontSubpixelQuantization(CGContextRef context); 50} 51 52namespace WebCore { 53 54void PDFDocumentImage::createPDFDocument() 55{ 56 m_document = adoptNS([[getPDFDocumentClass() alloc] initWithData:data()->createNSData().get()]); 57} 58 59void PDFDocumentImage::computeBoundsForCurrentPage() 60{ 61 PDFPage *pdfPage = [m_document pageAtIndex:0]; 62 63 m_cropBox = [pdfPage boundsForBox:kPDFDisplayBoxCropBox]; 64 m_rotationDegrees = [pdfPage rotation]; 65} 66 67unsigned PDFDocumentImage::pageCount() const 68{ 69 return [m_document pageCount]; 70} 71 72void PDFDocumentImage::drawPDFPage(GraphicsContext* context) 73{ 74 LocalCurrentGraphicsContext localCurrentContext(context); 75 76 // These states can be mutated by PDFKit but are not saved 77 // on the context's state stack. (<rdar://problem/14951759>) 78 bool allowsSmoothing = CGContextGetAllowsFontSmoothing(context->platformContext()); 79 bool allowsSubpixelQuantization = CGContextGetAllowsFontSubpixelQuantization(context->platformContext()); 80 81 [[m_document pageAtIndex:0] drawWithBox:kPDFDisplayBoxCropBox]; 82 83 CGContextSetAllowsFontSmoothing(context->platformContext(), allowsSmoothing); 84 CGContextSetAllowsFontSubpixelQuantization(context->platformContext(), allowsSubpixelQuantization); 85} 86 87} 88 89#endif // USE(PDFKIT_FOR_PDFDOCUMENTIMAGE) 90