From d9828fd1653f0334c4e9b027d708dbc3df8c838a Mon Sep 17 00:00:00 2001
From: Dan Sinclair <dsinclair@chromium.org>
Date: Thu, 30 Mar 2017 10:58:49 -0400
Subject: Rename FDE files to match contents.
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This CL renames files in xfa/fde to match the contents. The fde_object.h
file is split apart into cfde_pen and cfde_brush.

Change-Id: I953f102182caa6d87c5ee9b99bbeb01c34a01aa9
Reviewed-on: https://pdfium-review.googlesource.com/3371
Reviewed-by: Nicolás Peña <npm@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
---
 xfa/fde/cfde_visualsetiterator.cpp | 94 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 xfa/fde/cfde_visualsetiterator.cpp

(limited to 'xfa/fde/cfde_visualsetiterator.cpp')

diff --git a/xfa/fde/cfde_visualsetiterator.cpp b/xfa/fde/cfde_visualsetiterator.cpp
new file mode 100644
index 0000000000..5fd84ede8a
--- /dev/null
+++ b/xfa/fde/cfde_visualsetiterator.cpp
@@ -0,0 +1,94 @@
+// 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 "xfa/fde/cfde_visualsetiterator.h"
+
+#include "xfa/fde/cfde_txtedtpage.h"
+
+CFDE_VisualSetIterator::CFDE_VisualSetIterator() : m_dwFilter(0) {}
+
+CFDE_VisualSetIterator::~CFDE_VisualSetIterator() {}
+
+bool CFDE_VisualSetIterator::AttachCanvas(CFDE_TxtEdtPage* pCanvas) {
+  ASSERT(pCanvas);
+  m_CanvasStack = std::stack<FDE_CANVASITEM>();
+
+  FDE_CANVASITEM canvas;
+  canvas.hCanvas = nullptr;
+  canvas.pCanvas = pCanvas;
+  canvas.pos = pCanvas->GetFirstPosition();
+  if (canvas.pos == 0)
+    return false;
+
+  m_CanvasStack.push(canvas);
+  return true;
+}
+
+bool CFDE_VisualSetIterator::FilterObjects(uint32_t dwObjects) {
+  if (m_CanvasStack.empty())
+    return false;
+
+  while (m_CanvasStack.size() > 1)
+    m_CanvasStack.pop();
+
+  m_dwFilter = dwObjects;
+
+  FDE_CANVASITEM* pCanvas = &m_CanvasStack.top();
+  ASSERT(pCanvas && pCanvas->pCanvas);
+
+  pCanvas->pos = pCanvas->pCanvas->GetFirstPosition();
+  return pCanvas->pos != 0;
+}
+
+void CFDE_VisualSetIterator::Reset() {
+  FilterObjects(m_dwFilter);
+}
+
+FDE_TEXTEDITPIECE* CFDE_VisualSetIterator::GetNext(
+    IFDE_VisualSet*& pVisualSet,
+    FDE_TEXTEDITPIECE** phCanvasObj,
+    CFDE_TxtEdtPage** ppCanvasSet) {
+  while (!m_CanvasStack.empty()) {
+    FDE_CANVASITEM* pCanvas = &m_CanvasStack.top();
+    if (pCanvas->pos == 0) {
+      if (m_CanvasStack.size() == 1)
+        break;
+
+      m_CanvasStack.pop();
+      continue;
+    }
+    do {
+      FDE_TEXTEDITPIECE* pObj =
+          pCanvas->pCanvas->GetNext(&pCanvas->pos, pVisualSet);
+      ASSERT(pObj);
+
+      FDE_VISUALOBJTYPE eType = pVisualSet->GetType();
+      if (eType == FDE_VISUALOBJ_Canvas) {
+        FDE_CANVASITEM canvas;
+        canvas.hCanvas = pObj;
+        canvas.pCanvas = static_cast<CFDE_TxtEdtPage*>(pVisualSet);
+        canvas.pos = canvas.pCanvas->GetFirstPosition();
+        m_CanvasStack.push(canvas);
+        break;
+      }
+      uint32_t dwObj = (uint32_t)eType;
+      if ((m_dwFilter & dwObj) != 0) {
+        if (ppCanvasSet)
+          *ppCanvasSet = pCanvas->pCanvas;
+        if (phCanvasObj)
+          *phCanvasObj = pCanvas->hCanvas;
+        return pObj;
+      }
+    } while (pCanvas->pos != 0);
+  }
+  if (ppCanvasSet)
+    *ppCanvasSet = nullptr;
+  if (phCanvasObj)
+    *phCanvasObj = nullptr;
+
+  pVisualSet = nullptr;
+  return nullptr;
+}
-- 
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