| Index: core/fpdfapi/fpdf_page/cpdf_pageobjectholder.cpp
|
| diff --git a/core/fpdfapi/fpdf_page/cpdf_pageobjectholder.cpp b/core/fpdfapi/fpdf_page/cpdf_pageobjectholder.cpp
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..a1392f647e6d857b9d9e486af3491246e0bc63b0
|
| --- /dev/null
|
| +++ b/core/fpdfapi/fpdf_page/cpdf_pageobjectholder.cpp
|
| @@ -0,0 +1,73 @@
|
| +// 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/fpdf_page/include/cpdf_pageobjectholder.h"
|
| +
|
| +#include "core/fpdfapi/fpdf_page/pageint.h"
|
| +
|
| +CPDF_PageObjectHolder::CPDF_PageObjectHolder()
|
| + : m_pFormDict(nullptr),
|
| + m_pFormStream(nullptr),
|
| + m_pDocument(nullptr),
|
| + m_pPageResources(nullptr),
|
| + m_pResources(nullptr),
|
| + m_Transparency(0),
|
| + m_bBackgroundAlphaNeeded(FALSE),
|
| + m_bHasImageMask(FALSE),
|
| + m_ParseState(CONTENT_NOT_PARSED) {}
|
| +
|
| +void CPDF_PageObjectHolder::ContinueParse(IFX_Pause* pPause) {
|
| + if (!m_pParser) {
|
| + return;
|
| + }
|
| + m_pParser->Continue(pPause);
|
| + if (m_pParser->GetStatus() == CPDF_ContentParser::Done) {
|
| + m_ParseState = CONTENT_PARSED;
|
| + m_pParser.reset();
|
| + }
|
| +}
|
| +
|
| +void CPDF_PageObjectHolder::Transform(const CFX_Matrix& matrix) {
|
| + for (auto& pObj : m_PageObjectList)
|
| + pObj->Transform(matrix);
|
| +}
|
| +
|
| +CFX_FloatRect CPDF_PageObjectHolder::CalcBoundingBox() const {
|
| + if (m_PageObjectList.empty())
|
| + return CFX_FloatRect(0, 0, 0, 0);
|
| +
|
| + FX_FLOAT left = 1000000.0f;
|
| + FX_FLOAT right = -1000000.0f;
|
| + FX_FLOAT bottom = 1000000.0f;
|
| + FX_FLOAT top = -1000000.0f;
|
| + for (const auto& pObj : m_PageObjectList) {
|
| + left = std::min(left, pObj->m_Left);
|
| + right = std::max(right, pObj->m_Right);
|
| + bottom = std::min(bottom, pObj->m_Bottom);
|
| + top = std::max(top, pObj->m_Top);
|
| + }
|
| + return CFX_FloatRect(left, bottom, right, top);
|
| +}
|
| +
|
| +void CPDF_PageObjectHolder::LoadTransInfo() {
|
| + if (!m_pFormDict) {
|
| + return;
|
| + }
|
| + CPDF_Dictionary* pGroup = m_pFormDict->GetDictBy("Group");
|
| + if (!pGroup) {
|
| + return;
|
| + }
|
| + if (pGroup->GetStringBy("S") != "Transparency") {
|
| + return;
|
| + }
|
| + m_Transparency |= PDFTRANS_GROUP;
|
| + if (pGroup->GetIntegerBy("I")) {
|
| + m_Transparency |= PDFTRANS_ISOLATED;
|
| + }
|
| + if (pGroup->GetIntegerBy("K")) {
|
| + m_Transparency |= PDFTRANS_KNOCKOUT;
|
| + }
|
| +}
|
|
|