| // 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" |
| #include "core/fxcrt/span.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(pdfium::span<const ByteString> strings, |
| pdfium::span<const float> kernings); |
| |
| 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_ |