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74 lines
1.8 KiB
C++
74 lines
1.8 KiB
C++
//
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// File: VLLayout.h - Dimensions for lead sheet layout
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//
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// Author(s):
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//
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// (MN) Matthias Neeracher
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//
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// Copyright © 2007 Matthias Neeracher
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//
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#include <VLModel.h>
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#include <vector>
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class VLSystemLayout {
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public:
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VLSystemLayout(const VLProperties & prop, float width, int maxMeas);
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float ClefKeyWidth() const { return fClefKeyWidth; }
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float MeasureWidth() const { return fMeasureWidth; }
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float MeasurePosition(int m) const { return fClefKeyWidth+m*fMeasureWidth; }
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float SystemWidth() const { return MeasurePosition(fNumMeasures); }
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int Divisions() const { return fDivisions; }
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int NumGroups() const { return fNumGroups; }
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int DivPerGroup() const { return fDivPerGroup; }
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int NumMeasures() const { return fNumMeasures; }
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private:
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float fClefKeyWidth;
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float fMeasureWidth;
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int fDivisions;
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int fNumGroups;
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int fDivPerGroup;
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int fNumMeasures;
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};
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class VLLayout : public std::vector<VLSystemLayout> {
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public:
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VLLayout(const VLSong & song, float width);
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int FirstMeasure(int system) const;
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int SystemForMeasure(int measure) const;
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int NumSystems() const { return size(); }
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float MeasurePosition(int measure) const;
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float NotePosition(int measure, VLFraction at) const;
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};
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class VLFontHandler {
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public:
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virtual void Draw(float x, float y,
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const char * utf8Text, bool highlight) = 0;
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virtual float Width(const char * utf8Text) = 0;
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virtual ~VLFontHandler();
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};
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struct VLLayoutSyll : public VLSyllable {
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float fX;
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bool fHighlight;
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};
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class VLTextLayout {
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public:
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VLTextLayout(VLFontHandler * regular, VLFontHandler * narrow);
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void AddSyllable(const VLSyllable & syll, float x, bool highlight);
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void DrawLine(float y);
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private:
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VLFontHandler * fRegularFont;
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VLFontHandler * fNarrowFont;
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std::vector<VLLayoutSyll> fSyllables;
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};
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// Local Variables:
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// mode:C++
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// End:
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