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#ifndef _SVG_TEXT_OBJECT_H_INCLUDED_
#define _SVG_TEXT_OBJECT_H_INCLUDED_
#include "SvgParagraph.h"
#include "SvgSpan.h"
#include <string>
namespace libvisio
{
class VSDStartTextObjectOutputElement;
class VSDOpenParagraphOutputElement;
class VSDOpenUnorderedListLevelOutputElement;
class VSDOpenListElementOutputElement;
class VSDOpenSpanOutputElement;
class VSDInsertTextOutputElement;
class VSDInsertTabOutputElement;
}
class SvgDC;
class SvgFontC;
/**
* Represents an SVG text object and provides methods that reflect its particular structure and
* calculate additional properties of contained elements that are required for proper rendering.
*/
class SvgTextObjectC
{
public:
enum ProcessingStageE
{
PS_NONE,
PS_CALCULATE,
PS_LAYOUT
};
SvgTextObjectC(libvisio::VSDStartTextObjectOutputElement *pStartText, SvgDC &dc);
SvgDC &GetDC();
ProcessingStageE GetProcessingStage() const;
double GetOrigXInch() const;
double GetOrigYInch() const;
double GetWidthInch() const;
double GetHeightInch() const;
double GetPaddingLeftInch() const;
double GetPaddingRightInch() const;
double GetPaddingTopInch() const;
double GetPaddingBottomInch() const;
double GetCurrentLineYInch() const;
double RowOfTextAdded();
const std::string &GetCurrentHorizontalAlignment() const;
const SvgFontC *GetCurrentFont() const;
const std::string &GetBackgroundColor() const;
void SetCurrentTextLeftBoundInch(double x);
void SetCurrentTextRightBoundInch(double x);
void GetCurrentTextBoundsInch(double &x1, double &y1, double &x2, double &y2) const;
double GetCurrentTextBoundTopInch() const;
std::wstring GetCurrentBulletCharacter() const;
void OpenParagraph(const libvisio::VSDOpenParagraphOutputElement *pOpenParagraph);
void OpenUnorderedList(const libvisio::VSDOpenUnorderedListLevelOutputElement *pList);
void OpenListElement(const libvisio::VSDOpenListElementOutputElement *pOpenListElem);
void OpenSpan(const libvisio::VSDOpenSpanOutputElement *pOpenSpan);
void InsertText(const libvisio::VSDInsertTextOutputElement *pInsertText);
void InsertTab(const libvisio::VSDInsertTabOutputElement *pInsertTab);
void CalculateCurrentParagraphSpans(SpansTp &spans);
void StartCalculationStage();
void StartLayoutStage();
private:
void AddSpan(
SpansTp &spans, const libvisio::VSDOpenSpanOutputElement *pSvgSpan, const std::wstring &text,
double offsetInch, int firstCharIdx, int lastCharIdx, bool endWithNewLine);
double m_origXInch; ///< X coordinate of the top left corner in inches
double m_origYInch; ///< Y coordinate of the top left corner in inches
double m_widthInch; ///< box width in inches
double m_heightInch; ///< box height in inches
double m_padLeftInch; ///< left padding in inches
double m_padRightInch; ///< right padding in inches
double m_padTopInch; ///<< top padding in inches
double m_padBottomInch; ///< bottom padding in inches
SvgDC &m_dc; ///< device context to use for text size-related calculations
mutable const SvgFontC *m_pCurrentFont; ///< font that applies to the currently processed text
ProcessingStageE m_stage; ///< stage of processing of textbox contents
double m_firstLineOffsetYInch; ///< vertical offset of the first (base)line in the text box
double m_currentLineYInch; ///< vertical position of the current line of text
std::string m_verticalAlign; ///< vertical alignment of the text box
double m_textLeftBoundInch; ///< the left bound of the left-most line of the text
double m_textRightBoundInch; ///< the right bound of the right-most line of the text
std::string m_bkgColor; ///< text box background color or empty string for transparent background
ParagraphC m_currentParagraph; ///< paragraph currently being processed
std::wstring m_currentBulletChar; ///< the character to use for the subsequest list item bullet
};
#endif // _SVG_TEXT_OBJECT_H_INCLUDED_
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