void CBaselinePositions::Init( const scMuPoint& org,
MicroPoint vjOffset,
TypeSpec spec,
const scFlowDir& fd )
{
scAssert( spec != 0 );
MicroPoint ptsize = scCachedStyle::GetCachedStyle( spec ).GetPtSize();
if ( fd.IsHorizontal() ) {
fTop = org.y - scRoundMP( (REAL)ptsize * RLU_BASEfmTop / scBaseRLUsystem );
fMiddle = org.y - scRoundMP( (REAL)ptsize * ( RLU_BASEfmTop - (scBaseRLUsystem/2)) / scBaseRLUsystem );
fRoman = org.y;
fBottom = org.y + scRoundMP( (REAL)ptsize * RLU_BASEfmBottom / scBaseRLUsystem );
fTop += vjOffset;
fMiddle += vjOffset;
fRoman += vjOffset;
fBottom += vjOffset;
}
else {
fLeft = org.x - ptsize / 2;
fMiddle = org.x;
fRight = org.x + ptsize / 2;
fLeft -= vjOffset;
fMiddle -= vjOffset;
fRight -= vjOffset;
}
}
/* ==================================================================== */
void scDrawLine::SetCharData( GlyphSize ptsize,
GlyphSize setsize,
const scFlowDir& fd,
eFntBaseline baseline )
{
fGlyphInfo.fontname = scCachedStyle::GetCurrentCache().GetFont();
fGlyphInfo.emphasis_ = scCachedStyle::GetCurrentCache().GetEmphasis();
fGlyphInfo.fontRender = scCachedStyle::GetCurrentCache().GetRender();
fGlyphInfo.typespec = scCachedStyle::GetCurrentCache().GetSpec();
fGlyphInfo.color = scCachedStyle::GetCurrentCache().GetColor();
fGlyphInfo.pointsize = ptsize;
fGlyphInfo.setsize = setsize;
fGlyphInfo.oblique = 0;
fGlyphInfo.rotation = 0;
fGlyphInfo.flowDir = fd;
if ( fFlowDir.IsVertical() ) {
fGlyphInfo.fBaseline = baseline;
fBaseline.Set( scCachedStyle::GetCurrentCache().GetBaseline(), 0 );
}
else {
fGlyphInfo.fBaseline = baseline;
fBaseline.Set( 0, -scCachedStyle::GetCurrentCache().GetBaseline() );
}
}
/* ==================================================================== */
inline void scDrawLine::SetCharArray( const CharRecord& ch, BOOL addLSP )
{
fChA->fGlyphID = ch.character;
#ifdef _RUBI_SUPPORT
fChA->flags = ch.flags;
#endif
if ( fFlowDir.IsVertical() ) {
fChA->hEscapement = 0;
fChA->vEscapement = ch.escapement;
if ( addLSP )
fChA->vEscapement += fLetterSpace;
}
else {
fChA->hEscapement = ch.escapement;
if ( addLSP )
fChA->hEscapement += fLetterSpace;
fChA->vEscapement = 0;
}
fCurPos.Translate( fChA->hEscapement, fChA->vEscapement );
IncrementDrawing();
}
/* ==================================================================== */
void scDrawLine::SetCaseCharData( caseState cs )
{
OutputLine();
fGlyphInfo.fontname = scCachedStyle::GetCurrentCache().GetFont();
fGlyphInfo.emphasis_ = scCachedStyle::GetCurrentCache().GetEmphasis();
fGlyphInfo.fontRender = scCachedStyle::GetCurrentCache().GetRender();
fGlyphInfo.typespec = scCachedStyle::GetCurrentCache().GetSpec();
fGlyphInfo.color = scCachedStyle::GetCurrentCache().GetColor( );
if ( cs == lowerCase ) {
fGlyphInfo.pointsize = scRoundGS( scCachedStyle::GetCurrentCache().GetGlyphHeight() * kSmallCapCorrection );
fGlyphInfo.setsize = scRoundGS( scCachedStyle::GetCurrentCache().GetGlyphWidth() * kSmallCapCorrection );
}
else {
fGlyphInfo.pointsize = scCachedStyle::GetCurrentCache().GetGlyphHeight();
fGlyphInfo.setsize = scCachedStyle::GetCurrentCache().GetGlyphWidth();
}
fGlyphInfo.oblique = 0;
fGlyphInfo.rotation = 0;
fGlyphInfo.flowDir = fFlowDir;
if ( fFlowDir.IsVertical() ) {
fGlyphInfo.fBaseline = scCachedStyle::GetCurrentCache().GetVertBaseline( );
fBaseline.Set( scCachedStyle::GetCurrentCache().GetBaseline(), 0 );
}
else {
fGlyphInfo.fBaseline = scCachedStyle::GetCurrentCache().GetHorzBaseline( );
fBaseline.Set( 0, -scCachedStyle::GetCurrentCache().GetBaseline() );
}
}
/* ==================================================================== */
void scDrawLine::ComputeTabInfo( scTabInfo& tabInfo)
{
if ( fFlowDir.IsVertical() )
TSTabInfo( pspec_, fSpec, tabInfo, fCurPos.y, 0L, 0L );
else
TSTabInfo( pspec_, fSpec, tabInfo, fCurPos.x, 0L, 0L );
}
/* ==================================================================== */
void scDrawLine::ProcessRenMoji()
{
scRenMojiStr rm;
CharRecord fauxChar;
unsigned i;
unsigned numChars = fChRec->flags.GetRenMoji();
// save spec
rm.fSpec = fSpec;
scAssert( numChars < 7 );
// process characters
for ( i = 0; i < numChars; i++ ) {
rm.fRenMojiStr[i] = *fChRec;
rm.fRenMojiStr[i+1].character = 0;
IncrementBackingStore();
}
fauxChar.Set( emSpace, (fChRec-1)->escapement );
SetCharArray( fauxChar, false );
rm.fPosition = fCurPos;
if ( fFlowDir.IsHorizontal() ) {
switch ( scCachedStyle::GetCachedStyle().GetHorzBaseline() ) {
case kTopBaseline:
rm.fPosition.y = fBaselinePositions.fTop;
break;
case kMiddleBaseline:
rm.fPosition.y = fBaselinePositions.fMiddle;
break;
case kBottomBaseline:
rm.fPosition.y = fBaselinePositions.fBottom;
break;
default:
case kRomanBaseline:
rm.fPosition.y = fBaselinePositions.fRoman;
break;
}
}
else {
switch ( scCachedStyle::GetCachedStyle().GetVertBaseline() ) {
case kLeftBaseline:
rm.fPosition.x = fBaselinePositions.fLeft;
break;
default:
case kCenterBaseline:
rm.fPosition.x = fBaselinePositions.fMiddle;
break;
case kRightBaseline:
rm.fPosition.x = fBaselinePositions.fRight;
break;
}
}
fRenMojiArray.AppendData( (ElementPtr)&rm );
}
// process a hyphen at the end of a line if found
void scDrawLine::ProcessHyphen( scCharFlags flags )
{
if ( flags.IsKernPresent() ) {
if ( fFlowDir.IsVertical() )
(fChA-1)->vEscapement = scCachedStyle::GetCurrentCache().GetEscapement( (fChRec-1)->character ) + fLetterSpace;
else
(fChA-1)->hEscapement = scCachedStyle::GetCurrentCache().GetEscapement( (fChRec-1)->character ) + fLetterSpace;
}
fChA->fGlyphID = scCachedStyle::GetCurrentCache().GetHyphChar();
if ( fFlowDir.IsVertical() ) {
fChA->vEscapement = scCachedStyle::GetCurrentCache().GetEscapement( '-' );
fChA->hEscapement = 0;
}
else {
fChA->hEscapement = scCachedStyle::GetCurrentCache().GetEscapement( '-' );
fChA->vEscapement = 0;
}
fCount++;
}
// set the ComputedCharData structure
void scDrawLine::SetRubiCharData( const scRubiData& rd,
const scFlowDir& fd,
eTSJustTypes rubiJust,
int count,
MicroPoint& letterspace )
{
REAL rubifactor = ( (REAL)TSRubiSizeFactor( rd.fRubiSpec ) ) / 10000;
fGlyphInfo.fontname = TSRubiFont( rd.fRubiSpec );
fGlyphInfo.emphasis_ = scCachedStyle::GetCurrentCache().GetEmphasis();
fGlyphInfo.fontRender = scCachedStyle::GetCurrentCache().GetFontRender();
fGlyphInfo.typespec = scCachedStyle::GetCurrentCache().GetSpec();
fGlyphInfo.color = TSRubiColor( rd.fRubiSpec );
fGlyphInfo.pointsize = ROUND( scCachedStyle::GetCurrentCache().GetPtSize() * rubifactor );
fGlyphInfo.setsize = ROUND( scCachedStyle::GetCurrentCache().GetSetSize() * rubifactor );
if ( fd.IsHorizontal() )
fGlyphInfo.fBaseline = kRomanBaseline;
else
fGlyphInfo.fBaseline = kLeftBaseline;
if ( rubiJust & lastLineJust && count > 1 ) {
letterspace = rd.fLetterSpace * ( count - 1 );
if ( fd.IsHorizontal() ) {
fGlyphInfo.setsize += ( letterspace / count );
letterspace = 0;
}
else {
fGlyphInfo.pointsize += ( letterspace / count );
letterspace = 0;
}
}
else
letterspace = rd.fLetterSpace;
fGlyphInfo.oblique = 0;
fGlyphInfo.rotation = 0;
fGlyphInfo.flowDir = fFlowDir;
}
/* ==================================================================== */
void scDrawLine::ComputeFillCharInfo( scTabInfo& tabInfo )
{
scMuPoint pt( fCurPos );
if ( fFlowDir.IsVertical() )
TSfillCharInfo( fSpec,
tabInfo.fillChar,
tabInfo.fillCharAlign,
pt.y, pt.x,
fLineCount );
else
TSfillCharInfo( fSpec,
tabInfo.fillChar,
tabInfo.fillCharAlign,
pt.x, pt.y,
fLineCount );
}
static Bool CheckPositionAndMark( scContUnit* para, /* the para we just reformatted */
scContUnit* nextPara,
const scFlowDir& fd ) /* the next para we may have to rebreak */
{
scTextline* lastTxl; /* last line of paraH */
scTextline* nextTxl; /* first line of nextParaH */
MicroPoint nextBaseln; /* 'ideal' baseline of nextTxlH */
if ( nextPara ) {
if ( !nextPara->Marked( scREBREAK ) ) {
lastTxl = para->GetLastline();
if ( lastTxl ) {
nextTxl = LNNext( lastTxl );
if ( nextTxl ) {
// determine what the baseline should be
scLEADRefData ld;
MicroPoint paraLead = lastTxl->ParaLead( ld, fd );
if ( !fd.IsVertical() )
nextBaseln = lastTxl->GetBaseline() + paraLead;
else
nextBaseln = lastTxl->GetBaseline() - paraLead;
// compare it with reality and mark it if it is not correct
if ( nextBaseln != nextTxl->GetBaseline() || nextTxl->GetPara() != nextPara )
nextPara->Mark( scREBREAK );
}
else if ( !nextTxl ) /* no line - so mark rebreak */
nextPara->Mark( scREBREAK );
}
}
else if ( !para->GetLastline() ) {
// if there is no last line we should unmark this para
nextPara->Unmark( scREBREAK );
return false;
}
}
return true;
}
// this determines the leading plus paragraph space between this - the
// last line of a paragraph - and the next paragraph
MicroPoint scTextline::ParaLead( scLEADRefData& lead,
const scFlowDir& fd )
{
TypeSpec prevLeadSpec,
curLeadSpec;
MicroPoint spaceAbove,
spaceBelow;
MicroPoint paraspace;
scLEADRefData topPara;
scLEADRefData belowPara;
scContUnit* nextPara;
nextPara = GetPara()->GetNext();
if ( !nextPara )
return 0;
MaxLead( prevLeadSpec );
curLeadSpec = nextPara->SpecAtStart();
if ( fd.IsHorizontal() ) {
spaceBelow = scCachedStyle::GetCachedStyle( prevLeadSpec ).GetPtSize();
spaceAbove = scCachedStyle::GetCachedStyle( curLeadSpec ).GetPtSize();
}
else {
spaceBelow = scCachedStyle::GetCachedStyle( prevLeadSpec ).GetSetSize();
spaceAbove = scCachedStyle::GetCachedStyle( curLeadSpec ).GetSetSize();
}
topPara.Set( spaceBelow, fd );
belowPara.Set( spaceAbove, fd );
paraspace = scCachedStyle::GetParaSpace( GetPara(), nextPara );
lead.SetBelowLead( topPara.GetBelowLead() );
lead.SetAboveLead( belowPara.GetAboveLead() );
lead.SetExternalSpace( paraspace );
return lead.GetLead();
}
void scLEADRefData::ComputeAboveBelow( MicroPoint lead, const scFlowDir& fd )
{
if ( fd.IsHorizontal() ) {
static REAL realAbove = (REAL)RLU_BASEfmTop / scBaseRLUsystem;
static REAL realBelow = (REAL)RLU_BASEfmBottom / scBaseRLUsystem;
static MicroPoint lastlead;
static MicroPoint abovelead;
static MicroPoint belowlead;
if ( lastlead != lead ) {
abovelead = scRoundMP( realAbove * lead );
belowlead = scRoundMP( realBelow * lead );
lastlead = lead;
}
fAboveLead = abovelead;
fBelowLead = belowlead;
}
else {
fAboveLead = lead / 2;
fBelowLead = lead / 2;
}
}
void scDrawLine::SetCharData( )
{
fGlyphInfo.fontname = scCachedStyle::GetCurrentCache().GetFont();
fGlyphInfo.emphasis_ = scCachedStyle::GetCurrentCache().GetEmphasis();
fGlyphInfo.fontRender = scCachedStyle::GetCurrentCache().GetRender();
fGlyphInfo.typespec = scCachedStyle::GetCurrentCache().GetSpec();
fGlyphInfo.color = scCachedStyle::GetCurrentCache().GetColor( );
fGlyphInfo.pointsize = scCachedStyle::GetCurrentCache().GetGlyphHeight();
fGlyphInfo.setsize = scCachedStyle::GetCurrentCache().GetGlyphWidth();
fGlyphInfo.oblique = 0;
fGlyphInfo.rotation = 0;
fGlyphInfo.flowDir = fFlowDir;
if ( fFlowDir.IsVertical() ) {
fGlyphInfo.fBaseline = scCachedStyle::GetCurrentCache().GetVertBaseline( );
fBaseline.Set( scCachedStyle::GetCurrentCache().GetBaseline(), 0 );
}
else {
fGlyphInfo.fBaseline = scCachedStyle::GetCurrentCache().GetHorzBaseline( );
fBaseline.Set( 0, -scCachedStyle::GetCurrentCache().GetBaseline() );
}
}
/* ==================================================================== */
void scDrawLine::DrawRenMoji()
{
int i,
j;
scRenMojiStr rm;
MicroPoint microMeasure;
MicroPoint romanBaselineShift;
MicroPoint maxMeasure;
REAL ptsizeAdjust;
REAL setwidthAdjust;
scFlowDir antiFlowDir;
scFlowDir saveFlowDir( fFlowDir );
TypeSpec saveSpec = scCachedStyle::GetCurrentCache().GetSpec();
antiFlowDir.CounterFlow( fFlowDir );
for ( i = 0; i < fRenMojiArray.GetNumItems(); i++ ) {
fRenMojiArray.GetDataAt( i, (ElementPtr)&rm );
scCachedStyle::SetFlowdir( antiFlowDir );
scCachedStyle::GetCachedStyle( rm.fSpec );
microMeasure = BRKComposeRenMoji( rm.fRenMojiStr, rm.fSpec, antiFlowDir, true );
maxMeasure = scCachedStyle::GetCurrentCache().GetPtSize() * 2;
#ifdef kMakimotoRenMoji
int doMakimotoRenMoji = 1;
#else
int doMakimotoRenMoji = 0;
#endif
if ( doMakimotoRenMoji && microMeasure > maxMeasure ) {
// first try to reduce setwidth
setwidthAdjust = (REAL)maxMeasure / microMeasure;
if ( setwidthAdjust < 0.60 )
ptsizeAdjust = setwidthAdjust; // adjust pointsize to
else
ptsizeAdjust = 1.0;
microMeasure = ROUND( microMeasure * setwidthAdjust );
for ( j = 0; rm.fRenMojiStr[j].character; j++ )
rm.fRenMojiStr[j].escapement = ROUND( rm.fRenMojiStr[j].escapement * setwidthAdjust );
}
else {
setwidthAdjust = 1.0;
ptsizeAdjust = 1.0;
}
MicroPoint ptsize = ROUND( ptsizeAdjust * scCachedStyle::GetCurrentCache().GetPtSize() );
MicroPoint setsize = ROUND( setwidthAdjust * scCachedStyle::GetCurrentCache().GetSetSize() );
if ( fFlowDir.IsVertical() ) {
MicroPoint midPoint,
left;
switch ( scCachedStyle::GetCachedStyle().GetVertBaseline() ) {
case kLeftBaseline:
midPoint = ROUND( scCachedStyle::GetCurrentCache().GetPtSize() * (scBaseRLUsystem/2) / scBaseRLUsystem );
break;
case kCenterBaseline:
midPoint = 0;
break;
case kRightBaseline:
midPoint = ROUND( -scCachedStyle::GetCurrentCache().GetPtSize() * (scBaseRLUsystem/2) / scBaseRLUsystem );
break;
}
romanBaselineShift = -(scCachedStyle::GetCurrentCache().GetPtSize()/2) + (ptsize/2) - (ptsize*RLU_BASEfmBottom/scBaseRLUsystem);
left = midPoint - microMeasure / 2;
rm.fPosition.Translate( left, romanBaselineShift );
}
else {
MicroPoint midPoint,
top;
switch ( scCachedStyle::GetCachedStyle().GetHorzBaseline() ) {
case kTopBaseline:
midPoint = ROUND( scCachedStyle::GetCurrentCache().GetPtSize() * (scBaseRLUsystem/2) / scBaseRLUsystem );
break;
case kMiddleBaseline:
midPoint = 0;
break;
case kBottomBaseline:
midPoint = ROUND( -scCachedStyle::GetCurrentCache().GetPtSize() * (scBaseRLUsystem/2) / scBaseRLUsystem );
break;
case kRomanBaseline:
midPoint = ROUND(-scCachedStyle::GetCurrentCache().GetPtSize() * (scBaseRLUsystem/2-RLU_BASEfmBottom) / scBaseRLUsystem);
break;
}
top = midPoint - microMeasure/2;
rm.fPosition.Translate( -scCachedStyle::GetCurrentCache().GetSetSize() / 2, top );
}
fDrawOrigin = rm.fPosition;
fFlowDir = antiFlowDir;
ptsize = ROUND( ptsizeAdjust * scCachedStyle::GetCurrentCache().GetPtSize() );
setsize = ROUND( setwidthAdjust * scCachedStyle::GetCurrentCache().GetSetSize() );
if ( fFlowDir.IsHorizontal() )
SetCharData( ptsize, setsize, antiFlowDir, kRomanBaseline );
else
SetCharData( setsize, ptsize, antiFlowDir, kCenterBaseline );
for ( j = 0; rm.fRenMojiStr[j].character; j++ )
SetCharArray( rm.fRenMojiStr[j], true );
OutputLine();
fFlowDir = saveFlowDir;
}
scCachedStyle::SetFlowdir( saveFlowDir );
scCachedStyle::GetCachedStyle( saveSpec );
}
// draw japanese rubi
void scDrawLine::DrawRubi( const scRubiData& rd )
{
int i,
count = CharacterBufLen( rd.fCh );
MicroPoint hEscapement;
MicroPoint vEscapement;
scXRect xrect( rd.fExtents );
scMuPoint org = rd.fOrg;
scMuPoint trans;
TSJust rubiJust = TSRubiJust( rd.fRubiSpec );
MicroPoint letterspace;
scCachedStyle::GetCachedStyle( rd.fRubiSpec );
SetRubiCharData( rd, fFlowDir, rubiJust, count, letterspace );
trans = fOrigin;
if ( fFlowDir.IsHorizontal() ) {
switch ( scCachedStyle::GetCachedStyle().GetHorzBaseline() ) {
case kTopBaseline:
trans.y = fBaselinePositions.fTop;
break;
case kMiddleBaseline:
trans.y = fBaselinePositions.fMiddle;
break;
case kBottomBaseline:
trans.y = fBaselinePositions.fBottom;
break;
default:
case kRomanBaseline:
trans.y = fBaselinePositions.fRoman;
break;
}
}
else {
switch ( scCachedStyle::GetCachedStyle().GetVertBaseline() ) {
case kLeftBaseline:
trans.x = fBaselinePositions.fLeft;
break;
default:
case kCenterBaseline:
trans.x = fBaselinePositions.fMiddle;
break;
case kRightBaseline:
trans.x = fBaselinePositions.fRight;
break;
}
}
org.Translate( trans );
fCurPos = org;
if ( fFlowDir.IsVertical() ) {
hEscapement = 0;
vEscapement = fGlyphInfo.pointsize + letterspace;
}
else {
hEscapement = fGlyphInfo.setsize + letterspace;
vEscapement = 0;
}
fChA = fChArray;
for ( i = 0; i < count; i++ ) {
fChA[i].ch = rd.fCh[i];
fChA[i].flags.ClearFlags();
fChA[i].hEscapement = hEscapement;
fChA[i].vEscapement = vEscapement;
}
APPDrawStartLine( fDawContext, org.x, org.y, hrect );
APPDrawString( fDrawContext, fChArray, count, org.x, org.y, fGlyphInfo );
APPDrawEndLine( fDrawContext );
}
void scDrawLine::DrawTabSpace()
{
scTabInfo tabInfo;
GlyphSize fillChWid;
CharRecord chRec;
if ( fChRec->character == scFillSpace )
ComputeFillCharInfo( tabInfo );
else
ComputeTabInfo( tabInfo );
if ( fFlowDir.IsVertical() )
tabInfo.xPosition = fCurPos.y + fChRec->escapement;
else
tabInfo.xPosition = fCurPos.x + fChRec->escapement;
fillChWid = scCachedStyle::GetCurrentCache().GetEscapement( tabInfo.fillChar );
if ( !GlyphAvail( tabInfo.fillChar ) || fChRec->escapement < 0 || fillChWid <= 0 ) {
chRec.Set( CMctToAPP( fChRec->character ), fChRec->escapement );
SetCharArray( chRec, false );
}
else {
MicroPoint endX;
GlyphSize headPad,
tailPad;
if ( fFlowDir.IsVertical() )
ComputeFillChar( tabInfo.fillCharAlign,
fCurPos.y,
tabInfo.xPosition,
fLineCount,
fillChWid,
headPad,
tailPad );
else
ComputeFillChar( tabInfo.fillCharAlign,
fCurPos.x,
tabInfo.xPosition,
fLineCount,
fillChWid,
headPad,
tailPad );
endX = tabInfo.xPosition;
// for show invisibles
if ( CMctToAPP( scTabSpace ) ) {
chRec.Set( CMctToAPP( scTabSpace ), 0 );
SetCharArray( chRec, false );
}
if ( headPad ) {
chRec.Set( CMctToAPP( scEmptySpace ), headPad );
SetCharArray( chRec, false );
}
if ( fFlowDir.IsVertical() ) {
while ( fCurPos.y + fillChWid <= ( endX - tailPad ) ) {
chRec.Set( CMctToAPP( tabInfo.fillChar ), fillChWid );
SetCharArray( chRec, false );
}
}
else {
while ( fCurPos.x + fillChWid <= ( endX - tailPad ) ) {
chRec.Set( CMctToAPP( tabInfo.fillChar ), fillChWid );
SetCharArray( chRec, false );
}
}
if ( tailPad ) {
chRec.Set( CMctToAPP( scEmptySpace ), tailPad );
SetCharArray( chRec, false );
}
}
}