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#include <i18nlangtag/languagetag.hxx>
#include <vcl/outdev.hxx>
#include "impglyphitem.hxx"
#include "ImplLayoutRuns.hxx"
#include "justificationdata.hxx"
#include <span>
namespace vcl::text
{
class VCL_DLLPUBLIC ImplLayoutArgs
{
public :
// string related inputs
LanguageTag maLanguageTag;
SalLayoutFlags mnFlags;
const OUString& mrStr;
int mnMinCharPos;
int mnEndCharPos;
int mnDrawOriginCluster = std::numeric_limits<int >::min();
int mnDrawMinCharPos = std::numeric_limits<int >::min();
int mnDrawEndCharPos = std::numeric_limits<int >::max();
// performance hack
vcl::text::TextLayoutCache const * m_pTextLayoutCache;
// positioning related inputs
JustificationData mstJustification;
double mnLayoutWidth; // in pixel units
Degree10 mnOrientation; // in 0-3600 system
// data for bidi and glyph+script fallback
ImplLayoutRuns maRuns;
ImplLayoutRuns maFallbackRuns;
ImplLayoutArgs(OUString const & rStr, int nMinCharPos, int nEndCharPos, SalLayoutFlags nFlags,
LanguageTag aLanguageTag, vcl::text::TextLayoutCache const * pLayoutCache);
void SetLayoutWidth(double nWidth);
void SetJustificationData(JustificationData stJustification);
void SetOrientation(Degree10 nOrientation);
void ResetPos();
bool GetNextPos(int * nCharPos, bool * bRTL);
bool GetNextRun(int * nMinRunPos, int * nEndRunPos, bool * bRTL);
void AddFallbackRun(int nMinRunPos, int nEndRunPos, bool bRTL);
// methods used by BiDi and glyph fallback
bool HasFallbackRun() const ;
bool PrepareFallback(const SalLayoutGlyphsImpl* pGlyphsImpl);
private :
void AddRun(int nMinCharPos, int nEndCharPos, bool bRTL);
};
}
// For nice SAL_INFO logging of ImplLayoutArgs values
std::ostream& operator <<(std::ostream& s, vcl::text::ImplLayoutArgs const & rArgs);
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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