| // 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_TEXTSTATE_H_ |
| #define CORE_FPDFAPI_PAGE_CPDF_TEXTSTATE_H_ |
| |
| #include "core/fxcrt/retain_ptr.h" |
| #include "core/fxcrt/shared_copy_on_write.h" |
| #include "core/fxcrt/unowned_ptr.h" |
| #include "third_party/base/containers/span.h" |
| |
| class CPDF_Document; |
| class CPDF_Font; |
| |
| // See PDF Reference 1.7, page 402, table 5.3. |
| enum class TextRenderingMode { |
| MODE_UNKNOWN = -1, |
| MODE_FILL = 0, |
| MODE_STROKE = 1, |
| MODE_FILL_STROKE = 2, |
| MODE_INVISIBLE = 3, |
| MODE_FILL_CLIP = 4, |
| MODE_STROKE_CLIP = 5, |
| MODE_FILL_STROKE_CLIP = 6, |
| MODE_CLIP = 7, |
| MODE_LAST = MODE_CLIP, |
| }; |
| |
| class CPDF_TextState { |
| public: |
| CPDF_TextState(); |
| ~CPDF_TextState(); |
| |
| void Emplace(); |
| |
| RetainPtr<CPDF_Font> GetFont() const; |
| void SetFont(RetainPtr<CPDF_Font> pFont); |
| |
| float GetFontSize() const; |
| void SetFontSize(float size); |
| |
| pdfium::span<const float> GetMatrix() const; |
| pdfium::span<float> GetMutableMatrix(); |
| |
| float GetCharSpace() const; |
| void SetCharSpace(float sp); |
| |
| float GetWordSpace() const; |
| void SetWordSpace(float sp); |
| |
| float GetFontSizeH() const; |
| |
| TextRenderingMode GetTextMode() const; |
| void SetTextMode(TextRenderingMode mode); |
| |
| pdfium::span<const float> GetCTM() const; |
| pdfium::span<float> GetMutableCTM(); |
| |
| private: |
| class TextData final : public Retainable { |
| public: |
| CONSTRUCT_VIA_MAKE_RETAIN; |
| |
| RetainPtr<TextData> Clone() const; |
| |
| void SetFont(RetainPtr<CPDF_Font> pFont); |
| float GetFontSizeV() const; |
| float GetFontSizeH() const; |
| |
| RetainPtr<CPDF_Font> m_pFont; |
| UnownedPtr<const CPDF_Document> m_pDocument; |
| float m_FontSize = 1.0f; |
| float m_CharSpace = 0.0f; |
| float m_WordSpace = 0.0f; |
| TextRenderingMode m_TextMode = TextRenderingMode::MODE_FILL; |
| float m_Matrix[4] = {1.0f, 0.0f, 0.0f, 1.0f}; |
| float m_CTM[4] = {1.0f, 0.0f, 0.0f, 1.0f}; |
| |
| private: |
| TextData(); |
| TextData(const TextData& that); |
| ~TextData() override; |
| }; |
| |
| SharedCopyOnWrite<TextData> m_Ref; |
| }; |
| |
| bool SetTextRenderingModeFromInt(int iMode, TextRenderingMode* mode); |
| bool TextRenderingModeIsClipMode(const TextRenderingMode& mode); |
| bool TextRenderingModeIsStrokeMode(const TextRenderingMode& mode); |
| |
| #endif // CORE_FPDFAPI_PAGE_CPDF_TEXTSTATE_H_ |