190 lines
4.3 KiB
C
190 lines
4.3 KiB
C
#include "lstxtmod.h"
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#include "lsems.h"
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#include "txtils.h"
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void GetChanges(LSACT lsact, LSEMS* plsems, long durCur, BOOL fByIsPlus, BYTE* pside, long* pddurChange)
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{
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*pside = lsact.side;
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switch (lsact.kamnt)
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{
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case kamntNone:
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*pddurChange = 0;
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break;
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case kamntToHalfEm:
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*pddurChange = plsems->em2 - durCur;
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break;
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case kamntToQuarterEm:
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*pddurChange = plsems->em4 - durCur;
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break;
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case kamntToThirdEm:
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*pddurChange = plsems->em3 - durCur;
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break;
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case kamntTo15Sixteenth:
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*pddurChange = plsems->em16 - durCur;
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break;
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case kamntToUserDefinedExpan:
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*pddurChange = plsems->udExp - durCur;
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break;
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case kamntToUserDefinedComp:
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*pddurChange = plsems->udComp - durCur;
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break;
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case kamntByHalfEm:
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if (fByIsPlus)
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*pddurChange = plsems->em2;
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else
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*pddurChange = -plsems->em2;
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break;
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case kamntByQuarterEm:
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if (fByIsPlus)
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*pddurChange = plsems->em4;
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else
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*pddurChange = -plsems->em4;
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break;
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case kamntByEighthEm:
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if (fByIsPlus)
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*pddurChange = plsems->em8;
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else
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*pddurChange = -plsems->em8;
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break;
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case kamntByUserDefinedExpan:
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if (fByIsPlus)
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*pddurChange = plsems->udExp;
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else
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*pddurChange = -plsems->udExp;
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break;
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case kamntByUserDefinedComp:
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if (fByIsPlus)
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*pddurChange = plsems->udComp;
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else
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*pddurChange = -plsems->udComp;
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break;
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default:
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Assert(fFalse);
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}
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if (*pddurChange < -durCur)
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*pddurChange = -durCur;
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}
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void TranslateChanges(BYTE sideRecom, long durAdjustRecom, long durCur, long durRight, long durLeft,
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BYTE* psideFinal, long* pdurChange)
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{
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long durLeftRecom = 0;
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long durRightRecom = 0;
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Assert(sideRecom != sideNone);
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switch (sideRecom)
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{
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case sideRight:
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durLeftRecom = 0;
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durRightRecom = durAdjustRecom - durRight;
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break;
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case sideLeft:
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durRightRecom = 0;
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durLeftRecom = durAdjustRecom - durLeft;
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break;
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case sideLeftRight:
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durRightRecom = durAdjustRecom >> 1;
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durLeftRecom = durAdjustRecom - durRightRecom;
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durRightRecom -= durRight;
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durLeftRecom -= durLeft;
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break;
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}
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*psideFinal = sideNone;
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if (durRightRecom != 0 && durLeftRecom != 0)
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*psideFinal = sideLeftRight;
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else if (durRightRecom != 0)
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*psideFinal = sideRight;
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else if (durLeftRecom != 0)
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*psideFinal = sideLeft;
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*pdurChange = durLeftRecom + durRightRecom;
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if (*pdurChange < -durCur)
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*pdurChange = -durCur;
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}
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void ApplyChanges(PILSOBJ pilsobj, long iwch, BYTE side, long ddurChange)
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{
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long ddurChangeLeft;
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long ddurChangeRight;
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pilsobj->pdur[iwch] += ddurChange;
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InterpretChanges(pilsobj, iwch, side, ddurChange, &ddurChangeLeft, &ddurChangeRight);
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Assert(ddurChange == ddurChangeLeft + ddurChangeRight);
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pilsobj->pdurLeft[iwch] += ddurChangeLeft;
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pilsobj->pdurRight[iwch] += ddurChangeRight;
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}
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void InterpretChanges(PILSOBJ pilsobj, long iwch, BYTE side, long ddurChange, long* pddurChangeLeft, long* pddurChangeRight)
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{
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long ddurChangeLeftRight;
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switch (side)
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{
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case sideNone:
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Assert(ddurChange == 0);
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*pddurChangeLeft = 0;
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*pddurChangeRight = 0;
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break;
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case sideRight:
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Assert(pilsobj->pdurRight != NULL);
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*pddurChangeLeft = 0;
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*pddurChangeRight = ddurChange;
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break;
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case sideLeft:
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Assert(pilsobj->pdurLeft != NULL);
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*pddurChangeLeft = ddurChange;
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*pddurChangeRight = 0;
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break;
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case sideLeftRight:
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Assert(pilsobj->pdurRight != NULL);
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Assert(pilsobj->pdurLeft != NULL);
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ddurChangeLeftRight = ddurChange + pilsobj->pdurRight[iwch] + pilsobj->pdurLeft[iwch];
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*pddurChangeRight = (ddurChangeLeftRight >> 1) - pilsobj->pdurRight[iwch];
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*pddurChangeLeft = (ddurChange - *pddurChangeRight);
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break;
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}
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}
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void UndoAppliedChanges(PILSOBJ pilsobj, long iwch, BYTE side, long* pddurChange)
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{
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Assert(side == sideRight || side == sideLeft);
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switch (side)
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{
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case sideRight:
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Assert(pilsobj->pdurRight != NULL);
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*pddurChange = -pilsobj->pdurRight[iwch];
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pilsobj->pdurRight[iwch] = 0;
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break;
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case sideLeft:
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Assert(pilsobj->pdurLeft != NULL);
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*pddurChange = -pilsobj->pdurLeft[iwch];
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pilsobj->pdurLeft[iwch] = 0;
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break;
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}
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pilsobj->pdur[iwch] += *pddurChange;
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}
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void ApplyGlyphChanges(PILSOBJ pilsobj, long igind, long ddurChange)
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{
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/* while (pilsobj->pdurGind[igind] == 0 && !pislobj->ptxtginf[igind].fFirstInContext)
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igind--;
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*/
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pilsobj->pdurGind[igind] += ddurChange;
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Assert(pilsobj->pduGright != NULL);
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pilsobj->pduGright[igind] += ddurChange;
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}
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