// Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #include "public/fpdf_edit.h" #include "core/fpdfapi/cpdf_modulemgr.h" #include "core/fpdfapi/page/cpdf_image.h" #include "core/fpdfapi/page/cpdf_imageobject.h" #include "core/fpdfapi/page/cpdf_pageobject.h" #include "fpdfsdk/fsdk_define.h" #include "third_party/base/ptr_util.h" namespace { bool LoadJpegHelper(FPDF_PAGE* pages, int nCount, FPDF_PAGEOBJECT image_object, FPDF_FILEACCESS* fileAccess, bool inlineJpeg) { if (!image_object || !fileAccess) return false; CFX_RetainPtr<IFX_SeekableReadStream> pFile = MakeSeekableReadStream(fileAccess); CPDF_ImageObject* pImgObj = static_cast<CPDF_ImageObject*>(image_object); if (pages) { for (int index = 0; index < nCount; index++) { CPDF_Page* pPage = CPDFPageFromFPDFPage(pages[index]); if (pPage) pImgObj->GetImage()->ResetCache(pPage, nullptr); } } if (inlineJpeg) pImgObj->GetImage()->SetJpegImageInline(pFile); else pImgObj->GetImage()->SetJpegImage(pFile); return true; } } // namespace DLLEXPORT FPDF_PAGEOBJECT STDCALL FPDFPageObj_NewImageObj(FPDF_DOCUMENT document) { CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document); if (!pDoc) return nullptr; auto pImageObj = pdfium::MakeUnique<CPDF_ImageObject>(); pImageObj->SetImage(pdfium::MakeRetain<CPDF_Image>(pDoc)); return pImageObj.release(); } DLLEXPORT FPDF_BOOL STDCALL FPDFImageObj_LoadJpegFile(FPDF_PAGE* pages, int nCount, FPDF_PAGEOBJECT image_object, FPDF_FILEACCESS* fileAccess) { return LoadJpegHelper(pages, nCount, image_object, fileAccess, false); } DLLEXPORT FPDF_BOOL STDCALL FPDFImageObj_LoadJpegFileInline(FPDF_PAGE* pages, int nCount, FPDF_PAGEOBJECT image_object, FPDF_FILEACCESS* fileAccess) { return LoadJpegHelper(pages, nCount, image_object, fileAccess, true); } DLLEXPORT FPDF_BOOL STDCALL FPDFImageObj_SetMatrix(FPDF_PAGEOBJECT image_object, double a, double b, double c, double d, double e, double f) { if (!image_object) return false; CPDF_ImageObject* pImgObj = static_cast<CPDF_ImageObject*>(image_object); pImgObj->set_matrix(CFX_Matrix(static_cast<float>(a), static_cast<float>(b), static_cast<float>(c), static_cast<float>(d), static_cast<float>(e), static_cast<float>(f))); pImgObj->CalcBoundingBox(); return true; } DLLEXPORT FPDF_BOOL STDCALL FPDFImageObj_SetBitmap(FPDF_PAGE* pages, int nCount, FPDF_PAGEOBJECT image_object, FPDF_BITMAP bitmap) { if (!image_object || !bitmap || !pages) return false; CPDF_ImageObject* pImgObj = static_cast<CPDF_ImageObject*>(image_object); for (int index = 0; index < nCount; index++) { CPDF_Page* pPage = CPDFPageFromFPDFPage(pages[index]); if (pPage) pImgObj->GetImage()->ResetCache(pPage, nullptr); } CFX_RetainPtr<CFX_DIBitmap> holder(CFXBitmapFromFPDFBitmap(bitmap)); pImgObj->GetImage()->SetImage(holder); pImgObj->CalcBoundingBox(); return true; }