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// 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
#ifndef CORE_FPDFDOC_CPDF_ANNOT_H_
#define CORE_FPDFDOC_CPDF_ANNOT_H_
#include <map>
#include <memory>
#include "core/fxcrt/fx_coordinates.h"
#include "core/fxcrt/fx_string.h"
#include "core/fxcrt/fx_system.h"
#include "core/fxcrt/maybe_owned.h"
class CFX_RenderDevice;
class CPDF_Dictionary;
class CPDF_Document;
class CPDF_Form;
class CPDF_Page;
class CPDF_RenderContext;
class CPDF_RenderOptions;
class CPDF_Stream;
#define ANNOTFLAG_INVISIBLE 0x0001
#define ANNOTFLAG_HIDDEN 0x0002
#define ANNOTFLAG_PRINT 0x0004
#define ANNOTFLAG_NOVIEW 0x0020
class CPDF_Annot {
public:
enum AppearanceMode { Normal, Rollover, Down };
enum class Subtype {
UNKNOWN = 0,
TEXT,
LINK,
FREETEXT,
LINE,
SQUARE,
CIRCLE,
POLYGON,
POLYLINE,
HIGHLIGHT,
UNDERLINE,
SQUIGGLY,
STRIKEOUT,
STAMP,
CARET,
INK,
POPUP,
FILEATTACHMENT,
SOUND,
MOVIE,
WIDGET,
SCREEN,
PRINTERMARK,
TRAPNET,
WATERMARK,
THREED,
RICHMEDIA,
XFAWIDGET
};
static bool IsAnnotationHidden(CPDF_Dictionary* pAnnotDict);
static CPDF_Annot::Subtype StringToAnnotSubtype(const ByteString& sSubtype);
static ByteString AnnotSubtypeToString(CPDF_Annot::Subtype nSubtype);
static CFX_FloatRect RectFromQuadPoints(CPDF_Dictionary* pAnnotDict);
// The second constructor does not take ownership of the dictionary.
CPDF_Annot(std::unique_ptr<CPDF_Dictionary> pDict, CPDF_Document* pDocument);
CPDF_Annot(CPDF_Dictionary* pDict, CPDF_Document* pDocument);
~CPDF_Annot();
CPDF_Annot::Subtype GetSubtype() const;
uint32_t GetFlags() const;
CFX_FloatRect GetRect() const;
CPDF_Document* GetDocument() const { return m_pDocument.Get(); }
CPDF_Dictionary* GetAnnotDict() const { return m_pAnnotDict.Get(); }
bool DrawAppearance(CPDF_Page* pPage,
CFX_RenderDevice* pDevice,
const CFX_Matrix& mtUser2Device,
AppearanceMode mode,
const CPDF_RenderOptions* pOptions);
bool DrawInContext(const CPDF_Page* pPage,
CPDF_RenderContext* pContext,
const CFX_Matrix* pUser2Device,
AppearanceMode mode);
void ClearCachedAP();
void DrawBorder(CFX_RenderDevice* pDevice,
const CFX_Matrix* pUser2Device,
const CPDF_RenderOptions* pOptions);
CPDF_Form* GetAPForm(const CPDF_Page* pPage, AppearanceMode mode);
void SetOpenState(bool bOpenState) { m_bOpenState = bOpenState; }
CPDF_Annot* GetPopupAnnot() const { return m_pPopupAnnot; }
void SetPopupAnnot(CPDF_Annot* pAnnot) { m_pPopupAnnot = pAnnot; }
private:
void Init();
void GenerateAPIfNeeded();
bool ShouldDrawAnnotation();
CFX_FloatRect RectForDrawing() const;
MaybeOwned<CPDF_Dictionary> m_pAnnotDict;
UnownedPtr<CPDF_Document> const m_pDocument;
CPDF_Annot::Subtype m_nSubtype;
std::map<CPDF_Stream*, std::unique_ptr<CPDF_Form>> m_APMap;
// |m_bOpenState| is only set for popup annotations.
bool m_bOpenState = false;
bool m_bHasGeneratedAP;
bool m_bIsTextMarkupAnnotation;
// Not owned. If there is a valid pointer in |m_pPopupAnnot|,
// then this annot is never a popup.
CPDF_Annot* m_pPopupAnnot = nullptr;
};
// Get the AP in an annotation dict for a given appearance mode.
// If |eMode| is not Normal and there is not AP for that mode, falls back to
// the Normal AP.
CPDF_Stream* FPDFDOC_GetAnnotAP(const CPDF_Dictionary* pAnnotDict,
CPDF_Annot::AppearanceMode eMode);
// Get the AP in an annotation dict for a given appearance mode.
// No fallbacks to Normal like in FPDFDOC_GetAnnotAP.
CPDF_Stream* FPDFDOC_GetAnnotAPNoFallback(const CPDF_Dictionary* pAnnotDict,
CPDF_Annot::AppearanceMode eMode);
#endif // CORE_FPDFDOC_CPDF_ANNOT_H_
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