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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
#ifndef CORE_FPDFAPI_PAGE_CPDF_TEXTOBJECT_H_
#define CORE_FPDFAPI_PAGE_CPDF_TEXTOBJECT_H_
#include <stddef.h>
#include <stdint.h>
#include <memory>
#include <vector>
#include "core/fpdfapi/page/cpdf_pageobject.h"
#include "core/fxcrt/fx_coordinates.h"
#include "core/fxcrt/fx_string.h"
#include "core/fxcrt/retain_ptr.h"
class CPDF_TextObject final : public CPDF_PageObject {
public:
struct Item {
Item();
Item(const Item& that);
~Item();
uint32_t m_CharCode = 0;
CFX_PointF m_Origin;
};
explicit CPDF_TextObject(int32_t content_stream);
CPDF_TextObject();
~CPDF_TextObject() override;
// CPDF_PageObject:
Type GetType() const override;
void Transform(const CFX_Matrix& matrix) override;
bool IsText() const override;
CPDF_TextObject* AsText() override;
const CPDF_TextObject* AsText() const override;
std::unique_ptr<CPDF_TextObject> Clone() const;
size_t CountItems() const;
Item GetItemInfo(size_t index) const;
size_t CountChars() const;
uint32_t GetCharCode(size_t index) const;
Item GetCharInfo(size_t index) const;
float GetCharWidth(uint32_t charcode) const;
int CountWords() const;
WideString GetWordString(int nWordIndex) const;
CFX_PointF GetPos() const { return m_Pos; }
CFX_Matrix GetTextMatrix() const;
RetainPtr<CPDF_Font> GetFont() const;
float GetFontSize() const;
TextRenderingMode GetTextRenderMode() const;
void SetTextRenderMode(TextRenderingMode mode);
void SetText(const ByteString& str);
void SetPosition(const CFX_PointF& pos) { m_Pos = pos; }
const std::vector<uint32_t>& GetCharCodes() const { return m_CharCodes; }
const std::vector<float>& GetCharPositions() const { return m_CharPos; }
// Caller is expected to call SetDirty(true) when done changing the object.
void SetTextMatrix(const CFX_Matrix& matrix);
void SetSegments(const ByteString* pStrs,
const std::vector<float>& kernings,
size_t nSegs);
CFX_PointF CalcPositionData(float horz_scale);
private:
float CalcPositionDataInternal(const RetainPtr<CPDF_Font>& pFont);
CFX_PointF m_Pos;
std::vector<uint32_t> m_CharCodes;
std::vector<float> m_CharPos;
};
#endif // CORE_FPDFAPI_PAGE_CPDF_TEXTOBJECT_H_
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