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| /* | ||
| * Copyright (c) 2020 Nwutobo Samuel Ugochukwu <sammycageagle@gmail.com> | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| * of this software and associated documentation files (the "Software"), to deal | ||
| * in the Software without restriction, including without limitation the rights | ||
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in all | ||
| * copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| * SOFTWARE. | ||
| */ | ||
|
|
||
| #ifndef LUNASVG_H | ||
| #define LUNASVG_H | ||
|
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| #include <memory> | ||
| #include <string> | ||
| #include <cstdint> | ||
|
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| #if defined(_MSC_VER) && defined(LUNASVG_SHARED) | ||
| #ifdef LUNASVG_EXPORT | ||
| #define LUNASVG_API __declspec(dllexport) | ||
| #else | ||
| #define LUNASVG_API __declspec(dllimport) | ||
| #endif | ||
| #else | ||
| #define LUNASVG_API | ||
| #endif | ||
|
|
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| namespace lunasvg { | ||
|
|
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| class Rect; | ||
| class Matrix; | ||
|
|
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| class LUNASVG_API Box { | ||
| public: | ||
| Box() = default; | ||
| Box(double x, double y, double w, double h); | ||
| Box(const Rect& rect); | ||
|
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| Box& transform(const Matrix& matrix); | ||
| Box transformed(const Matrix& matrix) const; | ||
|
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| public: | ||
| double x{0}; | ||
| double y{0}; | ||
| double w{0}; | ||
| double h{0}; | ||
| }; | ||
|
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| class Transform; | ||
|
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| class LUNASVG_API Matrix { | ||
| public: | ||
| Matrix() = default; | ||
| Matrix(double a, double b, double c, double d, double e, double f); | ||
| Matrix(const Transform& transform); | ||
|
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| Matrix& rotate(double angle); | ||
| Matrix& rotate(double angle, double cx, double cy); | ||
| Matrix& scale(double sx, double sy); | ||
| Matrix& shear(double shx, double shy); | ||
| Matrix& translate(double tx, double ty); | ||
| Matrix& transform(double a, double b, double c, double d, double e, double f); | ||
| Matrix& identity(); | ||
| Matrix& invert(); | ||
|
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| Matrix& operator*=(const Matrix& matrix); | ||
| Matrix& premultiply(const Matrix& matrix); | ||
| Matrix& postmultiply(const Matrix& matrix); | ||
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| Matrix inverted() const; | ||
| Matrix operator*(const Matrix& matrix) const; | ||
|
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| static Matrix rotated(double angle); | ||
| static Matrix rotated(double angle, double cx, double cy); | ||
| static Matrix scaled(double sx, double sy); | ||
| static Matrix sheared(double shx, double shy); | ||
| static Matrix translated(double tx, double ty); | ||
|
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| public: | ||
| double a{1}; | ||
| double b{0}; | ||
| double c{0}; | ||
| double d{1}; | ||
| double e{0}; | ||
| double f{0}; | ||
| }; | ||
|
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| class LUNASVG_API Bitmap { | ||
| public: | ||
| /** | ||
| * @note Bitmap format is ARGB32 Premultiplied. | ||
| */ | ||
| Bitmap(); | ||
| Bitmap(std::uint8_t* data, std::uint32_t width, std::uint32_t height, std::uint32_t stride); | ||
| Bitmap(std::uint32_t width, std::uint32_t height); | ||
|
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| void reset(std::uint8_t* data, std::uint32_t width, std::uint32_t height, std::uint32_t stride); | ||
| void reset(std::uint32_t width, std::uint32_t height); | ||
|
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| std::uint8_t* data() const; | ||
| std::uint32_t width() const; | ||
| std::uint32_t height() const; | ||
| std::uint32_t stride() const; | ||
|
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| void clear(std::uint32_t color); | ||
| void convert(int ri, int gi, int bi, int ai, bool unpremultiply); | ||
| void convertToRGBA() { convert(0, 1, 2, 3, true); } | ||
|
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| bool valid() const { return !!m_impl; } | ||
|
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| private: | ||
| struct Impl; | ||
| std::shared_ptr<Impl> m_impl; | ||
| }; | ||
|
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| class LayoutSymbol; | ||
|
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| class LUNASVG_API Document { | ||
| public: | ||
| /** | ||
| * @brief Creates a document from a file | ||
| * @param filename - file to load | ||
| * @return pointer to document on success, otherwise nullptr | ||
| */ | ||
| static std::unique_ptr<Document> loadFromFile(const std::string& filename); | ||
|
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| /** | ||
| * @brief Creates a document from a string | ||
| * @param string - string to load | ||
| * @return pointer to document on success, otherwise nullptr | ||
| */ | ||
| static std::unique_ptr<Document> loadFromData(const std::string& string); | ||
|
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| /** | ||
| * @brief Creates a document from a string data and size | ||
| * @param data - string data to load | ||
| * @param size - size of the data to load, in bytes | ||
| * @return pointer to document on success, otherwise nullptr | ||
| */ | ||
| static std::unique_ptr<Document> loadFromData(const char* data, std::size_t size); | ||
|
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| /** | ||
| * @brief Creates a document from a null terminated string data | ||
| * @param data - null terminated string data to load | ||
| * @return pointer to document on success, otherwise nullptr | ||
| */ | ||
| static std::unique_ptr<Document> loadFromData(const char* data); | ||
|
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| /** | ||
| * @brief Sets the current transformation matrix of the document | ||
| * @param matrix - current transformation matrix | ||
| */ | ||
| void setMatrix(const Matrix& matrix); | ||
|
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| /** | ||
| * @brief Returns the current transformation matrix of the document | ||
| * @return the current transformation matrix | ||
| */ | ||
| Matrix matrix() const; | ||
|
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| /** | ||
| * @brief Returns the smallest rectangle in which the document fits | ||
| * @return the smallest rectangle in which the document fits | ||
| */ | ||
| Box box() const; | ||
|
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| /** | ||
| * @brief Returns width of the document | ||
| * @return the width of the document in pixels | ||
| */ | ||
| double width() const; | ||
|
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| /** | ||
| * @brief Returns the height of the document | ||
| * @return the height of the document in pixels | ||
| */ | ||
| double height() const; | ||
|
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| /** | ||
| * @brief Renders the document to a bitmap | ||
| * @param matrix - the current transformation matrix | ||
| * @param bitmap - target image on which the content will be drawn | ||
| */ | ||
| void render(Bitmap bitmap, const Matrix& matrix = Matrix{}) const; | ||
|
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| /** | ||
| * @brief Renders the document to a bitmap | ||
| * @param width - maximum width, in pixels | ||
| * @param height - maximum height, in pixels | ||
| * @param backgroundColor - background color in 0xRRGGBBAA format | ||
| * @return the raster representation of the document | ||
| */ | ||
| Bitmap renderToBitmap(std::uint32_t width = 0, std::uint32_t height = 0, std::uint32_t backgroundColor = 0x00000000) const; | ||
|
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| Document(Document&&); | ||
| ~Document(); | ||
|
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| private: | ||
| Document(); | ||
|
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| std::unique_ptr<LayoutSymbol> root; | ||
| }; | ||
|
|
||
| } //namespace lunasvg | ||
|
|
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| #endif // LUNASVG_H |
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