119 lines
3.3 KiB
C++
119 lines
3.3 KiB
C++
/**
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* @author Edouard DUPIN
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*
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* @copyright 2011, Edouard DUPIN, all right reserved
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*
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* @license APACHE v2.0 (see license file)
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*/
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#include <esvg/join.h>
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#include <esvg/cap.h>
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#ifndef __ESVG_BASE_H__
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#define __ESVG_BASE_H__
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#include <etk/types.h>
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#include <vector>
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#include <etk/math/Vector2D.h>
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#include <etk/math/Matrix2.h>
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#include <etk/Color.h>
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#include <exml/exml.h>
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#include <esvg/Renderer.h>
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#include <esvg/Dimension.h>
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namespace esvg {
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extern const float kappa90; //!< proportional lenght to the radius of a bezier handle for 90° arcs.
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/**
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* @brief Painting mode of the Object:
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*/
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enum paint {
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paint_none, //!< No painting.
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paint_color, //!< Painting a color.
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paint_gradientLinear, //!< Painting a linear gradient.
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paint_gradientRadial //!< Painting a radial gradient.
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};
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class PaintState {
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public:
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PaintState();
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void clear();
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public:
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etk::Color<float,4> fill;
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etk::Color<float,4> stroke;
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float strokeWidth;
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bool flagEvenOdd; //!< Fill rules
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enum esvg::cap lineCap;
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enum esvg::join lineJoin;
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float miterLimit;
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vec2 viewPort;
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float opacity;
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};
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int32_t extractPartOfStyle(const std::string& _data, std::string& _outputType, std::string& _outputData, int32_t _pos);
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class Base {
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protected:
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PaintState m_paint;
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mat2 m_transformMatrix; //!< specific render of the curent element
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const char * spacingDist(int32_t _spacing);
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public:
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Base() {};
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Base(PaintState _parentPaintState);
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virtual ~Base() { };
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/**
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* @brief parse all the element needed in the basic node
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* @param[in] _element standart XML node
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* @return true if no problem arrived
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*/
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virtual bool parseXML(const std::shared_ptr<exml::Element>& _element, mat2& _parentTrans, vec2& _sizeMax);
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virtual void draw(esvg::Renderer& _myRenderer, mat2& _basicTrans, int32_t _level=1);
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virtual void display(int32_t _spacing) { };
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void parseTransform(const std::shared_ptr<exml::Element>& _element);
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/**
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* @brief parse x, y, width, height attribute of the xml node
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* @param[in] _element XML node
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* @param[out] _pos parsed position
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* @param[out] _size parsed dimention
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*/
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void parsePosition(const std::shared_ptr<const exml::Element>& _element, vec2 &_pos, vec2 &_size);
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/**
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* @brief parse a lenght of the xml element
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* @param[in] _dataInput Data C String with the printed lenght
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* @return standard number of pixels
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*/
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float parseLength(const std::string& _dataInput);
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std::pair<float, enum esvg::distance> parseLength2(const std::string& _dataInput);
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/**
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* @brief parse a Painting attribute of a specific node
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* @param[in] _element Basic node of the XML that might be parsed
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*/
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void parsePaintAttr(const std::shared_ptr<const exml::Element>& _element);
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/**
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* @brief parse a color specification from the svg file
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* @param[in] _inputData Data C String with the xml definition
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* @return the parsed color
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*/
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etk::Color<uint8_t,4> parseColor(const std::string& _inputData);
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protected:
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std::string m_id; //!< unique ID of the element.
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public:
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/**
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* @brief Get the ID of the Element
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* @return UniqueId in the svg file
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*/
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const std::string& getId() const;
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/**
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* @brief Set the ID of the Element
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* @param[in] _newId New Id of the element
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*/
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void setId(const std::string& _newId);
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};
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};
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#endif
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