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; |
+ } |
+} |