Move core/include/fpdfapi/fpdf_pageobj.h into core/fpdfapi.

core/fpdfapi/fpdf_page/cpdf_formobject.cpp

+// 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_formobject.h"
+
+#include "core/fpdfapi/fpdf_page/include/cpdf_form.h"
+
+CPDF_FormObject::CPDF_FormObject() : m_pForm(nullptr) {}
+
+CPDF_FormObject::~CPDF_FormObject() {
+  delete m_pForm;
+}
+
+void CPDF_FormObject::Transform(const CFX_Matrix& matrix) {
+  m_FormMatrix.Concat(matrix);
+  CalcBoundingBox();
+}
+
+CPDF_FormObject* CPDF_FormObject::Clone() const {
+  CPDF_FormObject* obj = new CPDF_FormObject;
+  obj->CopyData(this);
+
+  obj->m_pForm = m_pForm->Clone();
+  obj->m_FormMatrix = m_FormMatrix;
+  return obj;
+}
+
+void CPDF_FormObject::CalcBoundingBox() {
+  CFX_FloatRect form_rect = m_pForm->CalcBoundingBox();
+  form_rect.Transform(&m_FormMatrix);
+  m_Left = form_rect.left;
+  m_Bottom = form_rect.bottom;
+  m_Right = form_rect.right;
+  m_Top = form_rect.top;
+}