// Copyright 2016 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 "core/fpdfapi/page/cpdf_tilingpattern.h" #include "core/fpdfapi/page/cpdf_form.h" #include "core/fpdfapi/parser/cpdf_dictionary.h" #include "core/fpdfapi/parser/cpdf_object.h" #include "core/fpdfapi/parser/cpdf_stream.h" #include "third_party/base/ptr_util.h" CPDF_TilingPattern::CPDF_TilingPattern(CPDF_Document* pDoc, CPDF_Object* pPatternObj, const CFX_Matrix& parentMatrix) : CPDF_Pattern(pDoc, pPatternObj, parentMatrix) { assert(document()); m_bColored = pattern_obj()->GetDict()->GetIntegerFor("PaintType") == 1; SetPatternToFormMatrix(); } CPDF_TilingPattern::~CPDF_TilingPattern() {} CPDF_TilingPattern* CPDF_TilingPattern::AsTilingPattern() { return this; } CPDF_ShadingPattern* CPDF_TilingPattern::AsShadingPattern() { return nullptr; } bool CPDF_TilingPattern::Load() { if (m_pForm) return true; const CPDF_Dictionary* pDict = pattern_obj()->GetDict(); if (!pDict) return false; m_bColored = pDict->GetIntegerFor("PaintType") == 1; m_XStep = static_cast<float>(fabs(pDict->GetNumberFor("XStep"))); m_YStep = static_cast<float>(fabs(pDict->GetNumberFor("YStep"))); CPDF_Stream* pStream = pattern_obj()->AsStream(); if (!pStream) return false; const CFX_Matrix& matrix = parent_matrix(); m_pForm = pdfium::MakeUnique<CPDF_Form>(document(), nullptr, pStream); m_pForm->ParseContent(nullptr, &matrix, nullptr, nullptr); m_BBox = pDict->GetRectFor("BBox"); return true; }