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#101607# react on rotation encoded glyph ids for vertical text

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This commit is contained in:
Philipp Lohmann 2002-08-01 17:54:33 +00:00
parent c9f19e84a2
commit ccc72d1e77
2 changed files with 138 additions and 17 deletions
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10
psprint/inc/psprint/printergfx.hxx
View file

@ -2,9 +2,9 @@
*
* $RCSfile: printergfx.hxx,v $
*
* $Revision: 1.7 $
* $Revision: 1.8 $
*
* last change: $Author: pl $ $Date: 2002-02-19 16:28:53 $
* last change: $Author: pl $ $Date: 2002-08-01 18:54:32 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
@ -356,6 +356,12 @@ public:
void drawText (const Point& rPoint,
const sal_Unicode* pStr, sal_Int16 nLen,
const sal_Int32* pDeltaArray = NULL);
void drawGlyphs( const Point& rPoint,
sal_uInt32* pGlyphIds,
sal_Unicode* pUnicodes,
sal_Int16 nLen,
sal_Int32* pDeltaArray );
public:
PrinterGfx();
~PrinterGfx();

145
psprint/source/printergfx/text_gfx.cxx
View file

@ -2,9 +2,9 @@
*
* $RCSfile: text_gfx.cxx,v $
*
* $Revision: 1.16 $
* $Revision: 1.17 $
*
* last change: $Author: pl $ $Date: 2002-02-19 16:28:53 $
* last change: $Author: pl $ $Date: 2002-08-01 18:54:33 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
@ -223,6 +223,34 @@ PrinterGfx::SetFallbackFont ( sal_Int32 nFontID )
return 0;
}
void PrinterGfx::drawGlyphs(
const Point& rPoint,
sal_uInt32* pGlyphIds,
sal_Unicode* pUnicodes,
sal_Int16 nLen,
sal_Int32* pDeltaArray
)
{
// draw the string
// search for a glyph set matching the set font
std::list< GlyphSet >::iterator aIter;
for (aIter = maPS3Font.begin(); aIter != maPS3Font.end(); aIter++)
if ( ((*aIter).GetFontID() == mnFontID)
&& ((*aIter).IsVertical() == mbTextVertical))
{
(*aIter).DrawGlyphs (*this, rPoint, pGlyphIds, pUnicodes, nLen, pDeltaArray);
break;
}
// not found ? create a new one
if (aIter == maPS3Font.end())
{
maPS3Font.push_back (GlyphSet(mnFontID, mbTextVertical));
maPS3Font.back().DrawGlyphs (*this, rPoint, pGlyphIds, pUnicodes, nLen, pDeltaArray);
}
}
void PrinterGfx::DrawGlyphs(
const Point& rPoint,
sal_uInt32* pGlyphIds,
@ -245,6 +273,7 @@ void PrinterGfx::DrawGlyphs(
DrawText( rPoint, pUnicodes, nLen, pDeltaArray );
return;
}
// move and rotate the user coordinate system
// avoid the gsave/grestore for the simple cases since it allows
// reuse of the current font if it hasn't changed
@ -260,24 +289,110 @@ void PrinterGfx::DrawGlyphs(
aPoint = Point( 0, 0 );
}
// draw the string
// search for a glyph set matching the set font
std::list< GlyphSet >::iterator aIter;
for (aIter = maPS3Font.begin(); aIter != maPS3Font.end(); aIter++)
if ( ((*aIter).GetFontID() == mnFontID)
&& ((*aIter).IsVertical() == mbTextVertical))
if( mbTextVertical )
{
// vertical glyphs can have an additional rotation ... sigh.
// so break up text in chunks of normal glyphs and print out
// specially rotated glyphs extra
sal_uInt32* pTempGlyphIds = (sal_uInt32*)alloca(sizeof(sal_Int32)*nLen);
sal_Int32* pTempDelta = (sal_Int32*)alloca(sizeof(sal_Int32)*nLen);
sal_Unicode* pTempUnicodes = (sal_Unicode*)alloca(sizeof(sal_Unicode)*nLen);
sal_Int16 nTempLen = 0;
sal_Int16 nTempDeltaOffset = -1;
sal_Int32 nTempFirstDelta = 0;
sal_Int32 nRot = 0;
Point aRotPoint;
sal_Int32 nTextHeight = maVirtualStatus.mnTextHeight;
sal_Int32 nTextWidth = maVirtualStatus.mnTextWidth ? maVirtualStatus.mnTextWidth : maVirtualStatus.mnTextHeight;
sal_Int32 nAscend = mrFontMgr.getFontAscend( mnFontID );
sal_Int32 nDescend = mrFontMgr.getFontDescend( mnFontID );
nDescend = nDescend * nTextHeight / 1000;
nAscend = nAscend * nTextHeight / 1000;
for( sal_Int16 i = 0; i < nLen; i++ )
{
(*aIter).DrawGlyphs (*this, aPoint, pGlyphIds, pUnicodes, nLen, pDeltaArray);
break;
sal_Int32 nRot = ((pGlyphIds[i] >> 24) & 3);
if( nRot == 0 )
{
pTempUnicodes[nTempLen] = pUnicodes[i];
pTempGlyphIds[nTempLen] = pGlyphIds[i];
if( nTempLen > 0 )
pTempDelta[nTempLen+nTempDeltaOffset] = pDeltaArray[i-1];
else
{
// the first element in pDeltaArray shows
// the offset of the second character
// so if the first glyph is normal
// then we do not need to move the delta indices
// else we have to move them down by one and
// recalculate aPoint and all deltas
if( i == 0 )
nTempDeltaOffset = 0;
else
nTempFirstDelta = pDeltaArray[ i-1 ];
}
nTempLen++;
}
else
{
sal_Int32 nOffset = i > 0 ? pDeltaArray[i-1] : 0;
sal_Int32 nRotAngle = 0;
switch( nRot )
{
case 3:
nRotAngle = 2700;
aRotPoint = Point( -nAscend*nTextWidth/nTextHeight, -nDescend*nTextWidth/nTextHeight - nOffset );
break;
case 2:
nRotAngle = 1800;
aRotPoint = Point( -nOffset, (nAscend+nDescend) );
break;
case 1:
nRotAngle = 900;
aRotPoint = Point( -nDescend*nTextWidth/nTextHeight, nOffset + nAscend*nTextWidth/nTextHeight );
break;
}
sal_uInt32 nRotGlyphId = pGlyphIds[i];
sal_Unicode nRotUnicode = pUnicodes[i];
sal_Int32 nRotDelta = 0;
// transform matrix to new individual direction
PSGSave ();
GraphicsStatus aSaveStatus = maVirtualStatus;
if( nRot != 2 ) // switch font aspect
{
maVirtualStatus.mnTextWidth = nTextHeight;
maVirtualStatus.mnTextHeight = nTextWidth;
}
if( aPoint.X() || aPoint.Y() )
PSTranslate( aPoint );
PSRotate (nRotAngle);
// draw the rotated glyph
drawGlyphs( aRotPoint, &nRotGlyphId, &nRotUnicode, 1, &nRotDelta );
// restore previous state
maVirtualStatus = aSaveStatus;
PSGRestore();
}
}
// not found ? create a new one
if (aIter == maPS3Font.end())
{
maPS3Font.push_back (GlyphSet(mnFontID, mbTextVertical));
maPS3Font.back().DrawGlyphs (*this, aPoint, pGlyphIds, pUnicodes, nLen, pDeltaArray);
pGlyphIds = pTempGlyphIds;
pUnicodes = pTempUnicodes;
pDeltaArray = pTempDelta;
nLen = nTempLen;
if( nTempFirstDelta )
{
aPoint.X() += nTempFirstDelta;
for( sal_Int16 i = 0; i < nLen; i++ )
pDeltaArray[i] -= nTempFirstDelta;
}
}
if( nLen > 0 )
drawGlyphs( aPoint, pGlyphIds, pUnicodes, nLen, pDeltaArray );
// restore the user coordinate system
if (nCurrentTextAngle != 0)
{