cpdf_pageobject.cpp

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// Copyright 2016 The PDFium Authors
// 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_pageobject.h"
 
#include <utility>
 
#include "core/fxcrt/fx_coordinates.h"
 
CPDF_PageObject::CPDF_PageObject(int32_t content_stream)
    : m_ContentStream(content_stream) {}
 
CPDF_PageObject::~CPDF_PageObject() = default;
 
bool CPDF_PageObject::IsText() const {
  return false;
}
 
bool CPDF_PageObject::IsPath() const {
  return false;
}
 
bool CPDF_PageObject::IsImage() const {
  return false;
}
 
bool CPDF_PageObject::IsShading() const {
  return false;
}
 
bool CPDF_PageObject::IsForm() const {
  return false;
}
 
CPDF_TextObject* CPDF_PageObject::AsText() {
  return nullptr;
}
 
const CPDF_TextObject* CPDF_PageObject::AsText() const {
  return nullptr;
}
 
CPDF_PathObject* CPDF_PageObject::AsPath() {
  return nullptr;
}
 
const CPDF_PathObject* CPDF_PageObject::AsPath() const {
  return nullptr;
}
 
CPDF_ImageObject* CPDF_PageObject::AsImage() {
  return nullptr;
}
 
const CPDF_ImageObject* CPDF_PageObject::AsImage() const {
  return nullptr;
}
 
CPDF_ShadingObject* CPDF_PageObject::AsShading() {
  return nullptr;
}
 
const CPDF_ShadingObject* CPDF_PageObject::AsShading() const {
  return nullptr;
}
 
CPDF_FormObject* CPDF_PageObject::AsForm() {
  return nullptr;
}
 
const CPDF_FormObject* CPDF_PageObject::AsForm() const {
  return nullptr;
}
 
pdfium::span<const ByteString> CPDF_PageObject::GetGraphicsResourceNames()
    const {
  return general_state().GetGraphicsResourceNames();
}
 
void CPDF_PageObject::SetDefaultStates() {
  m_GraphicStates.SetDefaultStates();
}
 
void CPDF_PageObject::CopyData(const CPDF_PageObject* pSrc) {
  m_GraphicStates = pSrc->m_GraphicStates;
  m_Rect = pSrc->m_Rect;
  m_bDirty = true;
}
 
void CPDF_PageObject::TransformClipPath(const CFX_Matrix& matrix) {
  CPDF_ClipPath& clip_path = mutable_clip_path();
  if (!clip_path.HasRef()) {
    return;
  }
  clip_path.Transform(matrix);
  SetDirty(true);
}
 
void CPDF_PageObject::TransformGeneralState(const CFX_Matrix& matrix) {
  CPDF_GeneralState& general_state = mutable_general_state();
  if (!general_state.HasRef()) {
    return;
  }
  general_state.GetMutableMatrix()->Concat(matrix);
  SetDirty(true);
}
 
FX_RECT CPDF_PageObject::GetBBox() const {
  return GetRect().GetOuterRect();
}
 
FX_RECT CPDF_PageObject::GetTransformedBBox(const CFX_Matrix& matrix) const {
  return matrix.TransformRect(GetRect()).GetOuterRect();
}