[Libreoffice-commits] core.git: download.lst editeng/source external/graphite vcl/inc vcl/source vcl/win
Martin Hosken
martin_hosken at sil.org
Sun Sep 13 18:17:05 PDT 2015
download.lst | 3
editeng/source/editeng/impedit3.cxx | 6
external/graphite/StaticLibrary_graphite.mk | 7
external/graphite/UnpackedTarball_graphite.mk | 1
external/graphite/graphite2.issue1115.patch.1 | 6
external/graphite/graphite2.win64.patch.1 | 21
vcl/inc/graphite_layout.hxx | 8
vcl/source/fontsubset/sft.cxx | 3
vcl/source/gdi/pdfwriter_impl.cxx | 15
vcl/source/glyphs/graphite_layout.cxx | 757 ++++++++------------------
vcl/win/source/gdi/winlayout.cxx | 15
11 files changed, 289 insertions(+), 553 deletions(-)
New commits:
commit 41007842ed9bb5d6165792a197769f72dae55a2c
Author: Martin Hosken <martin_hosken at sil.org>
Date: Thu Sep 10 10:14:18 2015 +0700
Refactor graphite integration and update graphite
Change-Id: I09db7262c2a6180a078620ba086dd7a4c132bd82
Reviewed-on: https://gerrit.libreoffice.org/18459
Tested-by: Jenkins <ci at libreoffice.org>
Reviewed-by: László Németh <nemeth at numbertext.org>
Reviewed-by: Martin Hosken <martin_hosken at sil.org>
diff --git a/download.lst b/download.lst
index f821cf7..fae46de 100644
--- a/download.lst
+++ b/download.lst
@@ -61,8 +61,7 @@ export FREEHAND_TARBALL := libfreehand-0.1.1.tar.bz2
export FREETYPE_TARBALL := dbf2caca1d3afd410a29217a9809d397-freetype-2.4.8.tar.bz2
export GLEW_TARBALL := 3941e9cab2f4f9d8faee3e8d57ae7664-glew-1.12.0.zip
export GLM_TARBALL := bae83fa5dc7f081768daace6e199adc3-glm-0.9.4.6-libreoffice.zip
-export GRAPHITE_MD5SUM := 2ef839348fe28e3b923bf8cced440227
-export GRAPHITE_TARBALL := graphite2-1.2.4.tgz
+export GRAPHITE_TARBALL := 5a99dbd27c6a1a707d28bd38ea808562-graphite2-1.3.2.tgz
export HARFBUZZ_MD5SUM := 0e27e531f4c4acff601ebff0957755c2
export HARFBUZZ_TARBALL := harfbuzz-0.9.40.tar.bz2
export HSQLDB_TARBALL := 17410483b5b5f267aa18b7e00b65e6e0-hsqldb_1_8_0.zip
diff --git a/editeng/source/editeng/impedit3.cxx b/editeng/source/editeng/impedit3.cxx
index ae3be6a..e5f10c0 100644
--- a/editeng/source/editeng/impedit3.cxx
+++ b/editeng/source/editeng/impedit3.cxx
@@ -720,6 +720,8 @@ bool ImpEditEngine::CreateLines( sal_Int32 nPara, sal_uInt32 nStartPosY )
EditLine aSaveLine( *pLine );
SvxFont aTmpFont( pNode->GetCharAttribs().GetDefFont() );
+ ImplInitLayoutMode( GetRefDevice(), nPara, nIndex );
+
bool bCalcCharPositions = true;
std::unique_ptr<long[]> pBuf(new long[ pNode->Len() ]);
@@ -1044,6 +1046,8 @@ bool ImpEditEngine::CreateLines( sal_Int32 nPara, sal_uInt32 nStartPosY )
aTmpFont.SetPhysFont( GetRefDevice() );
ImplInitDigitMode(GetRefDevice(), aTmpFont.GetLanguage());
+ pPortion->SetRightToLeft( GetRightToLeft( nPara, nTmpPos+1 ) );
+
if ( bCalcCharPositions || !pPortion->HasValidSize() )
{
pPortion->GetSize() = aTmpFont.QuickGetTextSize( GetRefDevice(), pParaPortion->GetNode()->GetString(), nTmpPos, pPortion->GetLen(), pBuf.get() );
@@ -1075,8 +1079,6 @@ bool ImpEditEngine::CreateLines( sal_Int32 nPara, sal_uInt32 nStartPosY )
nTmpWidth += pPortion->GetSize().Width();
- pPortion->SetRightToLeft( GetRightToLeft( nPara, nTmpPos+1 ) );
-
sal_Int32 _nPortionEnd = nTmpPos + pPortion->GetLen();
if( bScriptSpace && ( _nPortionEnd < pNode->Len() ) && ( nTmpWidth < nXWidth ) && IsScriptChange( EditPaM( pNode, _nPortionEnd ) ) )
{
diff --git a/external/graphite/StaticLibrary_graphite.mk b/external/graphite/StaticLibrary_graphite.mk
index de3950f..0cfdb8f 100644
--- a/external/graphite/StaticLibrary_graphite.mk
+++ b/external/graphite/StaticLibrary_graphite.mk
@@ -19,7 +19,7 @@ $(eval $(call gb_StaticLibrary_set_include,graphite,\
))
$(eval $(call gb_StaticLibrary_add_defs,graphite,\
- -DDISABLE_TRACING \
+ -DGRAPHITE2_NTRACING \
-DGR2_STATIC \
))
@@ -43,19 +43,22 @@ $(eval $(call gb_StaticLibrary_add_generated_cxxobjects,graphite,\
UnpackedTarball/graphite/src/gr_segment \
UnpackedTarball/graphite/src/gr_slot \
UnpackedTarball/graphite/src/json \
- UnpackedTarball/graphite/src/Bidi \
UnpackedTarball/graphite/src/CachedFace \
UnpackedTarball/graphite/src/CmapCache \
UnpackedTarball/graphite/src/Code \
+ UnpackedTarball/graphite/src/Collider \
+ UnpackedTarball/graphite/src/Decompressor \
UnpackedTarball/graphite/src/Face \
UnpackedTarball/graphite/src/FeatureMap \
UnpackedTarball/graphite/src/FileFace \
UnpackedTarball/graphite/src/Font \
UnpackedTarball/graphite/src/GlyphCache \
UnpackedTarball/graphite/src/GlyphFace \
+ UnpackedTarball/graphite/src/Intervals \
UnpackedTarball/graphite/src/Justifier \
UnpackedTarball/graphite/src/NameTable \
UnpackedTarball/graphite/src/Pass \
+ UnpackedTarball/graphite/src/Position \
UnpackedTarball/graphite/src/SegCache \
UnpackedTarball/graphite/src/SegCacheEntry \
UnpackedTarball/graphite/src/SegCacheStore \
diff --git a/external/graphite/UnpackedTarball_graphite.mk b/external/graphite/UnpackedTarball_graphite.mk
index c0b9e0d..a162d17 100644
--- a/external/graphite/UnpackedTarball_graphite.mk
+++ b/external/graphite/UnpackedTarball_graphite.mk
@@ -13,7 +13,6 @@ $(eval $(call gb_UnpackedTarball_set_tarball,graphite,$(GRAPHITE_TARBALL)))
$(eval $(call gb_UnpackedTarball_set_patchlevel,graphite,0))
-# http://projects.palaso.org/issues/1115
$(eval $(call gb_UnpackedTarball_add_patches,graphite,\
external/graphite/graphite2.issue1115.patch.1 \
external/graphite/graphite2.win64.patch.1 \
diff --git a/external/graphite/graphite2.issue1115.patch.1 b/external/graphite/graphite2.issue1115.patch.1
index f19c8a3..454114b 100644
--- a/external/graphite/graphite2.issue1115.patch.1
+++ b/external/graphite/graphite2.issue1115.patch.1
@@ -1,6 +1,6 @@
--- graphite/src/Code.cpp
+++ graphite/src/Code.cpp
-@@ -169,8 +169,8 @@ Machine::Code::Code(bool is_constraint,
+@@ -175,8 +175,8 @@ Machine::Code::Code(bool is_constraint,
bytecode_end,
pre_context,
rule_length,
@@ -11,7 +11,7 @@
face.numFeatures(),
{1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,255,
-@@ -178,7 +178,7 @@ Machine::Code::Code(bool is_constraint,
+@@ -184,7 +184,7 @@ Machine::Code::Code(bool is_constraint,
1,1,1,1,1,1,0,0,
0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,
@@ -19,4 +19,4 @@
+ 0,0,0,0,0,0,0, static_cast<byte>(silf.numUser())}
};
- decoder dec(lims, *this);
+ decoder dec(lims, *this, pt);
diff --git a/external/graphite/graphite2.win64.patch.1 b/external/graphite/graphite2.win64.patch.1
index 6bf8c88..5d409bb 100644
--- a/external/graphite/graphite2.win64.patch.1
+++ b/external/graphite/graphite2.win64.patch.1
@@ -1,7 +1,7 @@
diff -ur graphite.org/src/inc/json.h graphite/src/inc/json.h
--- graphite.org/src/inc/json.h 2015-02-03 14:49:24.408101900 +0100
+++ graphite/src/inc/json.h 2015-02-03 14:50:59.697552200 +0100
-@@ -78,6 +78,9 @@
+@@ -85,6 +85,9 @@
json & operator << (string) throw();
json & operator << (number) throw();
json & operator << (integer) throw();
@@ -14,8 +14,7 @@ diff -ur graphite.org/src/inc/json.h graphite/src/inc/json.h
diff -ur graphite.org/src/json.cpp graphite/src/json.cpp
--- graphite.org/src/json.cpp 2015-02-03 14:49:24.409102000 +0100
+++ graphite/src/json.cpp 2015-02-03 14:50:49.814986900 +0100
-@@ -119,6 +119,9 @@
- json & json::operator << (json::number f) throw() { context(seq); fprintf(_stream, "%g", f); return *this; }
+@@ -134,5 +134,8 @@
json & json::operator << (json::integer d) throw() { context(seq); fprintf(_stream, "%ld", d); return *this; }
json & json::operator << (long unsigned d) throw() { context(seq); fprintf(_stream, "%ld", d); return *this; }
+#ifdef _WIN64
@@ -27,17 +26,17 @@ diff -ur graphite.org/src/json.cpp graphite/src/json.cpp
diff -ur graphite.org/src/Pass.cpp graphite/src/Pass.cpp
--- graphite.org/src/Pass.cpp 2015-02-03 14:49:24.413102200 +0100
+++ graphite/src/Pass.cpp 2015-02-03 14:50:37.873303900 +0100
-@@ -466,7 +466,7 @@
- {
- if (r->rule->preContext > fsm.slots.context()) continue;
- *fsm.dbgout << json::flat << json::object
-- << "id" << r->rule - m_rules
-+ << "id" << static_cast<size_t>(r->rule - m_rules)
+@@ -544,7 +544,7 @@
+ if (r->rule->preContext > fsm.slots.context())
+ continue;
+ *fsm.dbgout << json::flat << json::object
+- << "id" << r->rule - m_rules
++ << "id" << static_cast<size_t>(r->rule - m_rules)
<< "failed" << true
<< "input" << json::flat << json::object
<< "start" << objectid(dslot(&fsm.slots.segment, input_slot(fsm.slots, -r->rule->preContext)))
-@@ -480,7 +480,7 @@
- void Pass::dumpRuleEventOutput(const FiniteStateMachine & fsm, const Rule & r, Slot * const last_slot) const
+@@ -558,7 +558,7 @@
+ void Pass::dumpRuleEventOutput(const FiniteStateMachine & fsm, Machine & m, const Rule & r, Slot * const last_slot) const
{
*fsm.dbgout << json::item << json::flat << json::object
- << "id" << &r - m_rules
diff --git a/vcl/inc/graphite_layout.hxx b/vcl/inc/graphite_layout.hxx
index 55d0d67..1378f88 100644
--- a/vcl/inc/graphite_layout.hxx
+++ b/vcl/inc/graphite_layout.hxx
@@ -96,6 +96,7 @@ private:
int mnSegCharOffset; // relative to ImplLayoutArgs::mpStr
long mnWidth;
std::vector<int> mvChar2BaseGlyph;
+ std::vector<int> mvChar2Glyph;
std::vector<int> mvGlyph2Char;
std::vector<int> mvCharDxs;
std::vector<int> mvCharBreaks;
@@ -109,8 +110,6 @@ public:
// used by upper layers
virtual bool LayoutText( ImplLayoutArgs& ) SAL_OVERRIDE; // first step of layout
// split into two stages to allow dc to be restored on the segment
- gr_segment * CreateSegment(ImplLayoutArgs& rArgs);
- bool LayoutGlyphs(ImplLayoutArgs& rArgs, gr_segment * pSegment);
virtual void AdjustLayout( ImplLayoutArgs& ) SAL_OVERRIDE; // adjusting positions
@@ -145,13 +144,14 @@ public:
static const int EXTRA_CONTEXT_LENGTH;
private:
void expandOrCondense(ImplLayoutArgs &rArgs);
- void fillFrom(gr_segment * rSeg, ImplLayoutArgs & rArgs, float fScaling);
+ void fillFrom(gr_segment * rSeg, ImplLayoutArgs & rArgs, float fScaling, bool bRtl, int firstCharOffset);
float append(gr_segment * pSeg,
ImplLayoutArgs & rArgs,
const gr_slot * pSlot, float gOrigin,
float nextGlyphOrigin, float fScaling,
- long & rDXOffset, bool bIsBase, int baseChar);
+ long & rDXOffset, bool bIsBase, int baseChar, int baseGlyph, bool bRtl);
+ int ScanFwdForChar(int &findChar, bool fallback) const;
};
#endif // INCLUDED_VCL_INC_GRAPHITE_LAYOUT_HXX
diff --git a/vcl/source/fontsubset/sft.cxx b/vcl/source/fontsubset/sft.cxx
index 88c818e..9f1e387 100644
--- a/vcl/source/fontsubset/sft.cxx
+++ b/vcl/source/fontsubset/sft.cxx
@@ -1773,6 +1773,9 @@ int GetTTGlyphComponents(TrueTypeFont *ttf, sal_uInt32 glyphID, std::vector< sal
const sal_uInt8* glyf = getTable(ttf, O_glyf);
const sal_uInt8* ptr = glyf + ttf->goffsets[glyphID];
+ const sal_uInt8* nptr = glyf + ttf->goffsets[glyphID+1];
+ if (nptr <= ptr)
+ return 0;
glyphlist.push_back( glyphID );
diff --git a/vcl/source/gdi/pdfwriter_impl.cxx b/vcl/source/gdi/pdfwriter_impl.cxx
index 9fdd688..d5aed16 100644
--- a/vcl/source/gdi/pdfwriter_impl.cxx
+++ b/vcl/source/gdi/pdfwriter_impl.cxx
@@ -9005,22 +9005,27 @@ void PDFWriterImpl::drawLayout( SalLayout& rLayout, const OUString& rText, bool
else if( pCharPosAry[i] >= nMinCharPos && pCharPosAry[i] <= nMaxCharPos )
{
int nChars = 1;
- aUnicodes.push_back( rText[ pCharPosAry[i] ] );
pUnicodesPerGlyph[i] = 1;
// try to handle ligatures and such
if( i < nGlyphs-1 )
{
nChars = pCharPosAry[i+1] - pCharPosAry[i];
+ int start = pCharPosAry[i];
// #i115618# fix for simple RTL+CTL cases
- // TODO: sanitize for RTL ligatures, more complex CTL, etc.
+ // supports RTL ligatures. TODO: more complex CTL, etc.
if( nChars < 0 )
+ {
nChars = -nChars;
- else if( nChars == 0 )
+ start = pCharPosAry[i+1] + 1;
+ }
+ else if (nChars == 0)
nChars = 1;
pUnicodesPerGlyph[i] = nChars;
- for( int n = 1; n < nChars; n++ )
- aUnicodes.push_back( rText[ pCharPosAry[i] + n ] );
+ for( int n = 0; n < nChars; n++ )
+ aUnicodes.push_back( rText[ start + n ] );
}
+ else
+ aUnicodes.push_back( rText[ pCharPosAry[i] ] );
// #i36691# hack that is needed because currently the pGlyphs[]
// argument is ignored for embeddable fonts and so the layout
// engine's glyph work is ignored (i.e. char mirroring)
diff --git a/vcl/source/glyphs/graphite_layout.cxx b/vcl/source/glyphs/graphite_layout.cxx
index 474756f..f1a0999 100644
--- a/vcl/source/glyphs/graphite_layout.cxx
+++ b/vcl/source/glyphs/graphite_layout.cxx
@@ -89,23 +89,6 @@ namespace
return !(b > i) && i < e;
}
- int findSameDirLimit(const sal_Unicode* buffer, int charCount, bool rtl)
- {
- UErrorCode status = U_ZERO_ERROR;
- UBiDi *ubidi = ubidi_openSized(charCount, 0, &status);
- int limit = 0;
- ubidi_setPara(ubidi, reinterpret_cast<const UChar *>(buffer), charCount,
- (rtl)?UBIDI_DEFAULT_RTL:UBIDI_DEFAULT_LTR, NULL, &status);
- UBiDiLevel level = 0;
- ubidi_getLogicalRun(ubidi, 0, &limit, &level);
- ubidi_close(ubidi);
- if ((rtl && !(level & 1)) || (!rtl && (level & 1)))
- {
- limit = 0;
- }
- return limit;
- }
-
template <typename T>
T maximum(T a, T b)
{
@@ -125,43 +108,14 @@ namespace
// o Querying clustering relationships.
// o manipulations that affect neighouring glyphs.
-const int GraphiteLayout::EXTRA_CONTEXT_LENGTH = 10;
+const int GraphiteLayout::EXTRA_CONTEXT_LENGTH = 32;
-// find first slot of cluster and first slot of subsequent cluster
-static void findFirstClusterSlot(const gr_slot* base, gr_slot const** first, gr_slot const** after, int * firstChar, int * lastChar, bool bRtl)
+const gr_slot *get_next_base(const gr_slot *slot, bool bRtl)
{
- if (gr_slot_attached_to(base) == NULL)
- {
- *first = base;
- *after = (bRtl)? gr_slot_prev_in_segment(base) :
- gr_slot_next_in_segment(base);
- *firstChar = gr_slot_before(base);
- *lastChar = gr_slot_after(base);
- }
- const gr_slot * attachment = gr_slot_first_attachment(base);
- while (attachment)
- {
- if (gr_slot_origin_X(*first) > gr_slot_origin_X(attachment))
- *first = attachment;
- const gr_slot* attachmentNext = (bRtl)?
- gr_slot_prev_in_segment(attachment) : gr_slot_next_in_segment(attachment);
- if (attachmentNext)
- {
- if (*after && (gr_slot_origin_X(*after) < gr_slot_origin_X(attachmentNext)))
- *after = attachmentNext;
- }
- else
- {
- *after = NULL;
- }
- if (gr_slot_before(attachment) < *firstChar)
- *firstChar = gr_slot_before(attachment);
- if (gr_slot_after(attachment) > *lastChar)
- *lastChar = gr_slot_after(attachment);
- if (gr_slot_first_attachment(attachment))
- findFirstClusterSlot(attachment, first, after, firstChar, lastChar, bRtl);
- attachment = gr_slot_next_sibling_attachment(attachment);
- }
+ for ( ; slot; slot = bRtl ? gr_slot_prev_in_segment(slot) : gr_slot_next_in_segment(slot))
+ if (!gr_slot_attached_to(slot) || gr_slot_can_insert_before(slot))
+ break;
+ return slot;
}
// The Graphite glyph stream is really a sequence of glyph attachment trees
@@ -169,202 +123,114 @@ static void findFirstClusterSlot(const gr_slot* base, gr_slot const** first, gr_
// finds each non-attached base glyph and calls append to record them as a
// sequence of clusters.
void
-GraphiteLayout::fillFrom(gr_segment * pSegment, ImplLayoutArgs &rArgs, float fScaling)
+GraphiteLayout::fillFrom(gr_segment * pSegment, ImplLayoutArgs &rArgs, float fScaling, bool bRtl, int lastCharPos)
{
- bool bRtl(rArgs.mnFlags & SalLayoutFlags::BiDiRtl);
- int nCharRequested = rArgs.mnEndCharPos - rArgs.mnMinCharPos;
- int nChar = gr_seg_n_cinfo(pSegment);
float fMinX = gr_seg_advance_X(pSegment);
float fMaxX = 0.0f;
long nDxOffset = 0; // from dropped glyphs
- int nFirstCharInCluster = 0;
- int nLastCharInCluster = 0;
+ int origNumGlyphs = mvGlyphs.size();
unsigned int nGlyphs = gr_seg_n_slots(pSegment);
- mvGlyph2Char.assign(nGlyphs, -1);
- mvGlyphs.reserve(nGlyphs);
-
- if (bRtl)
+ mvGlyph2Char.resize(mvGlyph2Char.size() + nGlyphs, -1);
+ mvGlyphs.reserve(mvGlyphs.size() + nGlyphs);
+ int clusterStart = -1;
+ int clusterFirstChar = -1;
+ const gr_slot *nextBaseSlot;
+
+ if (!nGlyphs || lastCharPos - mnSegCharOffset == 0) return;
+ const gr_slot* baseSlot = bRtl ? gr_seg_last_slot(pSegment) : gr_seg_first_slot(pSegment);
+ // find first base
+ while (baseSlot && gr_slot_attached_to(baseSlot) != NULL && !gr_slot_can_insert_before(baseSlot))
+ baseSlot = bRtl ? gr_slot_prev_in_segment(baseSlot) : gr_slot_next_in_segment(baseSlot);
+ assert(baseSlot);
+ float thisBoundary = 0.;
+ float nextBoundary = gr_slot_origin_X(baseSlot);
+ // now loop over bases
+ for ( ; baseSlot; baseSlot = nextBaseSlot)
{
- const gr_slot* baseSlot = gr_seg_last_slot(pSegment);
- // find first base
- while (baseSlot && (gr_slot_attached_to(baseSlot) != NULL))
- baseSlot = gr_slot_prev_in_segment(baseSlot);
- int iChar = nChar - 1;
- int iNextChar = nChar - 1;
- bool reordered = false;
- int nBaseGlyphIndex = 0;
- // now loop over bases
- while (baseSlot)
+ thisBoundary = nextBoundary;
+ int firstChar = gr_slot_before(baseSlot) + mnSegCharOffset;
+ nextBaseSlot = get_next_base(bRtl ? gr_slot_prev_in_segment(baseSlot) : gr_slot_next_in_segment(baseSlot), bRtl);
+ nextBoundary = nextBaseSlot ? gr_slot_origin_X(nextBaseSlot) : gr_seg_advance_X(pSegment);
+ if (firstChar < mnMinCharPos || firstChar >= mnEndCharPos)
+ continue;
+ // handle reordered clusters. Presumes reordered glyphs have monotonic opposite char index until the cluster base.
+ bool isReordered = (nextBaseSlot && ((bRtl ^ (gr_slot_before(nextBaseSlot) < firstChar - mnSegCharOffset))
+ || gr_slot_before(nextBaseSlot) == firstChar - mnSegCharOffset));
+ if (clusterStart >= 0 && !isReordered) // we hit the base (end) of a reordered cluster
{
- bool bCluster = !reordered;
- const gr_slot * clusterFirst = NULL;
- const gr_slot * clusterAfter = NULL;
- int firstChar = -1;
- int lastChar = -1;
- findFirstClusterSlot(baseSlot, &clusterFirst, &clusterAfter, &firstChar, &lastChar, bRtl);
- iNextChar = minimum<int>(firstChar, iNextChar);
- if (bCluster)
- {
- nBaseGlyphIndex = mvGlyphs.size();
- mvGlyph2Char[nBaseGlyphIndex] = iChar + mnSegCharOffset;
- nFirstCharInCluster = firstChar;
- nLastCharInCluster = lastChar;
- }
- else
- {
- mvGlyph2Char[mvGlyphs.size()] = firstChar + mnSegCharOffset;
- nFirstCharInCluster = minimum<int>(firstChar, nFirstCharInCluster);
- nLastCharInCluster = maximum<int>(firstChar, nLastCharInCluster);
- }
- float leftBoundary = gr_slot_origin_X(clusterFirst);
- float rightBoundary = (clusterAfter)?
- gr_slot_origin_X(clusterAfter) : gr_seg_advance_X(pSegment);
- if (
- lastChar < iChar && clusterAfter &&
- (gr_cinfo_after(gr_seg_cinfo(pSegment, iChar)) >
- static_cast<int>(gr_slot_index(clusterAfter)))
- )
- {
- reordered = true;
- }
- else
- {
- reordered = false;
- iChar = iNextChar - 1;
- }
- if (mnSegCharOffset + nFirstCharInCluster >= mnMinCharPos &&
- mnSegCharOffset + nFirstCharInCluster < mnEndCharPos)
+ int clusterEnd = mvGlyphs.size();
+ for (int i = clusterStart; i < clusterEnd; ++i)
+ mvGlyph2Char[i] = firstChar;
+ if (bRtl)
{
- fMinX = minimum<float>(fMinX, leftBoundary);
- fMaxX = maximum<float>(fMaxX, rightBoundary);
- if (!reordered)
- {
- for (int i = nFirstCharInCluster; i <= nLastCharInCluster; i++)
+ for ( ; clusterFirstChar < firstChar; ++clusterFirstChar)
+ if (clusterFirstChar >= mnMinCharPos && clusterFirstChar < mnEndCharPos)
{
- if (mnSegCharOffset + i >= mnEndCharPos)
- break;
- // from the point of view of the dx array, the xpos is
- // the origin of the first glyph of the cluster rtl
- mvCharDxs[mnSegCharOffset + i - mnMinCharPos] =
- static_cast<int>(leftBoundary * fScaling) + nDxOffset;
- mvCharBreaks[mnSegCharOffset + i - mnMinCharPos] = gr_cinfo_break_weight(gr_seg_cinfo(pSegment, i));
+ mvChar2BaseGlyph[clusterFirstChar - mnMinCharPos] = clusterStart; // lowest glyphItem index
+ mvCharDxs[clusterFirstChar - mnMinCharPos] = static_cast<int>(thisBoundary * fScaling) + mnWidth + nDxOffset;
}
- mvChar2BaseGlyph[mnSegCharOffset + nFirstCharInCluster - mnMinCharPos] = nBaseGlyphIndex;
- }
- append(pSegment, rArgs, baseSlot, gr_slot_origin_X(baseSlot), rightBoundary, fScaling,
- nDxOffset, bCluster, mnSegCharOffset + firstChar);
- }
- if (mnSegCharOffset + nLastCharInCluster < mnMinCharPos)
- break;
- baseSlot = gr_slot_next_sibling_attachment(baseSlot);
- }
- }
- else
- {
- const gr_slot* baseSlot = gr_seg_first_slot(pSegment);
- // find first base
- while (baseSlot && (gr_slot_attached_to(baseSlot) != NULL))
- baseSlot = gr_slot_next_in_segment(baseSlot);
- int iChar = 0; // relative to segment
- int iNextChar = 0;
- bool reordered = false;
- int nBaseGlyphIndex = 0;
- // now loop over bases
- while (baseSlot)
- {
- bool bCluster = !reordered;
- const gr_slot * clusterFirst = NULL;
- const gr_slot * clusterAfter = NULL;
- int firstChar = -1;
- int lastChar = -1;
- findFirstClusterSlot(baseSlot, &clusterFirst, &clusterAfter, &firstChar, &lastChar, bRtl);
- iNextChar = maximum<int>(lastChar, iNextChar);
- if (bCluster)
- {
- nBaseGlyphIndex = mvGlyphs.size();
- mvGlyph2Char[nBaseGlyphIndex] = iChar + mnSegCharOffset;
- nFirstCharInCluster = firstChar;
- nLastCharInCluster = lastChar;
}
else
{
- mvGlyph2Char[mvGlyphs.size()] = firstChar + mnSegCharOffset;
- nFirstCharInCluster = minimum<int>(firstChar, nFirstCharInCluster);
- nLastCharInCluster = maximum<int>(lastChar, nLastCharInCluster);
- }
- if (
- firstChar > iChar &&
- (gr_cinfo_before(gr_seg_cinfo(pSegment, iChar)) >
- static_cast<int>(gr_slot_index(clusterFirst)))
- )
- {
- reordered = true;
- }
- else
- {
- reordered = false;
- iChar = iNextChar + 1;
- }
- float leftBoundary = gr_slot_origin_X(clusterFirst);
- float rightBoundary = (clusterAfter)?
- gr_slot_origin_X(clusterAfter) : gr_seg_advance_X(pSegment);
- int bFirstChar = gr_cinfo_base(gr_seg_cinfo(pSegment, nFirstCharInCluster));
- if (mnSegCharOffset + bFirstChar >= mnMinCharPos &&
- mnSegCharOffset + bFirstChar < mnEndCharPos)
- {
- fMinX = minimum<float>(fMinX, leftBoundary);
- fMaxX = maximum<float>(fMaxX, rightBoundary);
- if (!reordered)
- {
- for (int i = nFirstCharInCluster; i <= nLastCharInCluster; i++)
+ for ( ; clusterFirstChar > firstChar; --clusterFirstChar)
+ if (clusterFirstChar < mnEndCharPos && clusterFirstChar >= mnMinCharPos)
{
- int ibase = gr_cinfo_base(gr_seg_cinfo(pSegment, i));
- if (mnSegCharOffset + ibase >= mnEndCharPos)
- break;
- // from the point of view of the dx array, the xpos is
- // the origin of the first glyph of the next cluster ltr
- mvCharDxs[mnSegCharOffset + ibase - mnMinCharPos] =
- static_cast<int>(rightBoundary * fScaling) + nDxOffset;
- mvCharBreaks[mnSegCharOffset + ibase - mnMinCharPos] = gr_cinfo_break_weight(gr_seg_cinfo(pSegment, i));
+ mvChar2BaseGlyph[clusterFirstChar - mnMinCharPos] = clusterStart;
+ mvCharDxs[clusterFirstChar - mnMinCharPos] = static_cast<int>(nextBoundary * fScaling) + mnWidth + nDxOffset;
}
- // only set mvChar2BaseGlyph for first character of cluster
- mvChar2BaseGlyph[mnSegCharOffset + bFirstChar - mnMinCharPos] = nBaseGlyphIndex;
- }
- append(pSegment, rArgs, baseSlot, gr_slot_origin_X(baseSlot), rightBoundary, fScaling,
- nDxOffset, true, mnSegCharOffset + firstChar);
}
- if (mnSegCharOffset + bFirstChar >= mnEndCharPos)
- break;
- baseSlot = gr_slot_next_sibling_attachment(baseSlot);
+ clusterStart = -1;
+ clusterFirstChar = -1;
}
+ else if (clusterStart < 0 && isReordered) // we hit the start of a reordered cluster
+ {
+ clusterStart = mvGlyphs.size();
+ clusterFirstChar = firstChar;
+ }
+
+ int baseGlyph = mvGlyphs.size();
+ mvCharBreaks[firstChar - mnMinCharPos] = gr_cinfo_break_weight(gr_seg_cinfo(pSegment, firstChar - mnSegCharOffset));
+ mvChar2BaseGlyph[firstChar - mnMinCharPos] = baseGlyph;
+ mvCharDxs[firstChar - mnMinCharPos] = static_cast<int>((bRtl ? thisBoundary : nextBoundary) * fScaling) + mnWidth + nDxOffset;
+ mvGlyph2Char[baseGlyph] = firstChar;
+ append(pSegment, rArgs, baseSlot, thisBoundary, nextBoundary, fScaling, nDxOffset, true, firstChar, baseGlyph, bRtl);
+ if (thisBoundary < fMinX) fMinX = thisBoundary;
+ if (nextBoundary > fMaxX) fMaxX = nextBoundary;
}
+
long nXOffset = round_to_long(fMinX * fScaling);
- mnWidth = round_to_long(fMaxX * fScaling) - nXOffset + nDxOffset;
- if (mnWidth < 0)
- {
- // This can happen when there was no base inside the range
- mnWidth = 0;
- }
+ long nXEnd = round_to_long(fMaxX * fScaling);
+ int nCharRequested = minimum<int>(lastCharPos, mnEndCharPos) - mnMinCharPos;
+ int firstCharOffset = maximum<int>(mnSegCharOffset, mnMinCharPos) - mnMinCharPos;
// fill up non-base char dx with cluster widths from previous base glyph
if (bRtl)
{
if (mvCharDxs[nCharRequested-1] == -1)
- mvCharDxs[nCharRequested-1] = 0;
+ mvCharDxs[nCharRequested-1] = nXEnd - nXOffset + mnWidth + nDxOffset;
else
- mvCharDxs[nCharRequested-1] -= nXOffset;
- for (int i = nCharRequested - 2; i >= 0; i--)
+ mvCharDxs[nCharRequested-1] = nXEnd - mvCharDxs[nCharRequested-1] + 2 * (mnWidth + nDxOffset);
+#ifdef GRLAYOUT_DEBUG
+ fprintf(grLog(),"%d,%d ", nCharRequested - 1, (int)mvCharDxs[nCharRequested-1]);
+#endif
+ for (int i = nCharRequested - 2; i >= firstCharOffset; i--)
{
if (mvCharDxs[i] == -1) mvCharDxs[i] = mvCharDxs[i+1];
- else mvCharDxs[i] -= nXOffset;
+ else mvCharDxs[i] = nXEnd - mvCharDxs[i] + 2 * (mnWidth + nDxOffset);
+#ifdef GRLAYOUT_DEBUG
+ fprintf(grLog(),"%d,%d ", (int)i, (int)mvCharDxs[i]);
+#endif
}
}
else
{
- if (mvCharDxs[0] == -1)
- mvCharDxs[0] = 0;
+ if (mvCharDxs[firstCharOffset] == -1)
+ mvCharDxs[firstCharOffset] = 0;
else
- mvCharDxs[0] -= nXOffset;
- for (int i = 1; i < nCharRequested; i++)
+ mvCharDxs[firstCharOffset] -= nXOffset;
+#ifdef GRLAYOUT_DEBUG
+ fprintf(grLog(),"%d,%d ", firstCharOffset, (int)mvCharDxs[firstCharOffset]);
+#endif
+ for (int i = firstCharOffset + 1; i < nCharRequested; i++)
{
if (mvCharDxs[i] == -1) mvCharDxs[i] = mvCharDxs[i-1];
else mvCharDxs[i] -= nXOffset;
@@ -376,11 +242,17 @@ GraphiteLayout::fillFrom(gr_segment * pSegment, ImplLayoutArgs &rArgs, float fSc
// remove offset due to context if there is one
if (nXOffset != 0)
{
- for (size_t i = 0; i < mvGlyphs.size(); i++)
+ for (size_t i = origNumGlyphs; i < mvGlyphs.size(); i++)
mvGlyphs[i].maLinearPos.X() -= nXOffset;
}
+ mnWidth += nXEnd - nXOffset + nDxOffset;
+ if (mnWidth < 0)
+ {
+ // This can happen when there was no base inside the range
+ mnWidth = 0;
+ }
#ifdef GRLAYOUT_DEBUG
- fprintf(grLog(), "fillFrom %" SAL_PRI_SIZET "u glyphs offset %ld width %ld\n", mvGlyphs.size(), nXOffset, mnWidth);
+ fprintf(grLog(), "fillFrom %" SAL_PRI_SIZET "u glyphs offset %ld width %ld for %d\n", mvGlyphs.size(), nXOffset, mnWidth, nCharRequested);
#endif
}
@@ -389,37 +261,29 @@ GraphiteLayout::fillFrom(gr_segment * pSegment, ImplLayoutArgs &rArgs, float fSc
float
GraphiteLayout::append(gr_segment *pSeg, ImplLayoutArgs &rArgs,
const gr_slot * gi, float gOrigin, float nextGlyphOrigin, float scaling, long & rDXOffset,
- bool bIsBase, int baseChar)
+ bool bIsBase, int baseChar, int baseGlyph, bool bRtl)
{
- bool bRtl(rArgs.mnFlags & SalLayoutFlags::BiDiRtl);
- float nextOrigin;
assert(gi);
- assert(gr_slot_before(gi) <= gr_slot_after(gi));
+ // assert(gr_slot_before(gi) <= gr_slot_after(gi));
int firstChar = gr_slot_before(gi) + mnSegCharOffset;
assert(mvGlyphs.size() < mvGlyph2Char.size());
- if (!bIsBase) mvGlyph2Char[mvGlyphs.size()] = baseChar;//firstChar;
- // is the next glyph attached or in the next cluster?
- //glyph_set_range_t iAttached = gi.attachedClusterGlyphs();
- const gr_slot * pFirstAttached = gr_slot_first_attachment(gi);
- const gr_slot * pNextSibling = gr_slot_next_sibling_attachment(gi);
- if (pFirstAttached)
- nextOrigin = gr_slot_origin_X(pFirstAttached);
- else if (!bIsBase && pNextSibling)
- nextOrigin = gr_slot_origin_X(pNextSibling);
- else
- nextOrigin = nextGlyphOrigin;
+ if (firstChar < mnMinCharPos || firstChar >= mnEndCharPos)
+ return nextGlyphOrigin;
+ mvChar2Glyph[firstChar - mnMinCharPos] = mvGlyphs.size();
+ if (!bIsBase)
+ {
+ mvChar2BaseGlyph[firstChar - mnMinCharPos] = baseGlyph;
+ mvCharDxs[firstChar - mnMinCharPos] = mvCharDxs[baseChar - mnMinCharPos];
+ mvCharBreaks[firstChar - mnMinCharPos] = gr_cinfo_break_weight(gr_seg_cinfo(pSeg, firstChar - mnSegCharOffset));
+ }
long glyphId = gr_slot_gid(gi);
long deltaOffset = 0;
- int scaledGlyphPos = round_to_long(gr_slot_origin_X(gi) * scaling);
- int glyphWidth = round_to_long((nextOrigin - gOrigin) * scaling);
-// if (glyphWidth < 0)
-// {
-// nextOrigin = gOrigin;
-// glyphWidth = 0;
-// }
+ int scaledGlyphPos = round_to_long(gr_slot_origin_X(gi) * scaling) + mnWidth;
+ int glyphWidth = round_to_long((nextGlyphOrigin - gOrigin) * scaling);
+
#ifdef GRLAYOUT_DEBUG
- fprintf(grLog(),"c%d g%ld,X%d W%d nX%f ", firstChar, glyphId,
- (int)(gr_slot_origin_X(gi) * scaling), glyphWidth, nextOrigin * scaling);
+ fprintf(grLog(),"c%d g%ld,X%d W%d nX%f @%d=%d ", firstChar, glyphId,
+ scaledGlyphPos, glyphWidth, nextGlyphOrigin * scaling, mvChar2Glyph[firstChar-mnMinCharPos], mvCharDxs[firstChar-mnMinCharPos]);
#endif
if (glyphId == 0)
{
@@ -449,11 +313,12 @@ GraphiteLayout::append(gr_segment *pSeg, ImplLayoutArgs &rArgs,
}
// append this glyph. Set the cluster flag if this glyph is attached to another
long nGlyphFlags = bIsBase ? 0 : GlyphItem::IS_IN_CLUSTER;
+ if (gr_slot_attached_to(gi))
+ nGlyphFlags |= GlyphItem::IS_DIACRITIC;
nGlyphFlags |= (bRtl)? GlyphItem::IS_RTL_GLYPH : 0;
GlyphItem aGlyphItem(mvGlyphs.size(),
glyphId,
- Point(scaledGlyphPos + rDXOffset,
- round_to_long((-gr_slot_origin_Y(gi) * scaling))),
+ Point(scaledGlyphPos + rDXOffset, round_to_long((-gr_slot_origin_Y(gi) * scaling))),
nGlyphFlags,
glyphWidth);
if (glyphId != static_cast<long>(GF_DROPPED))
@@ -464,9 +329,10 @@ GraphiteLayout::append(gr_segment *pSeg, ImplLayoutArgs &rArgs,
rDXOffset += deltaOffset;
// Recursively append all the attached glyphs.
- float cOrigin = nextOrigin;
+ float cOrigin = nextGlyphOrigin;
for (const gr_slot * agi = gr_slot_first_attachment(gi); agi != NULL; agi = gr_slot_next_sibling_attachment(agi))
- cOrigin = append(pSeg, rArgs, agi, cOrigin, nextGlyphOrigin, scaling, rDXOffset, false, baseChar);
+ if (!gr_slot_can_insert_before(agi))
+ cOrigin = append(pSeg, rArgs, agi, cOrigin, nextGlyphOrigin, scaling, rDXOffset, false, baseChar, baseGlyph, bRtl);
return cOrigin;
}
@@ -500,6 +366,7 @@ void GraphiteLayout::clear()
mvGlyphs.clear();
mvCharDxs.clear();
mvChar2BaseGlyph.clear();
+ mvChar2Glyph.clear();
mvGlyph2Char.clear();
// Reset the state to the empty state.
@@ -510,173 +377,61 @@ void GraphiteLayout::clear()
// This method shouldn't be called on windows, since it needs the dc reset
bool GraphiteLayout::LayoutText(ImplLayoutArgs & rArgs)
{
+ clear();
bool success = true;
- if (rArgs.mnMinCharPos < rArgs.mnEndCharPos)
- {
- gr_segment * pSegment = CreateSegment(rArgs);
- if (!pSegment)
- return false;
- success = LayoutGlyphs(rArgs, pSegment);
- if (pSegment)
- {
- gr_seg_destroy(pSegment);
- pSegment = NULL;
- }
- }
- else
- {
- clear();
- }
- return success;
-}
-
-gr_segment * GraphiteLayout::CreateSegment(ImplLayoutArgs& rArgs)
-{
- assert(rArgs.mnLength >= 0);
-
- gr_segment * pSegment = NULL;
-
+ if (rArgs.mnMinCharPos >= rArgs.mnEndCharPos)
+ return success;
// Set the SalLayouts values to be the initial ones.
SalLayout::AdjustLayout(rArgs);
// TODO check if this is needed
if (mnUnitsPerPixel > 1)
mfScaling = 1.0f / mnUnitsPerPixel;
+ mvCharDxs.assign(mnEndCharPos - mnMinCharPos, -1);
+ mvChar2BaseGlyph.assign(mnEndCharPos - mnMinCharPos, -1);
+ mvChar2Glyph.assign(mnEndCharPos - mnMinCharPos, -1);
+ mvCharBreaks.assign(mnEndCharPos - mnMinCharPos, 0);
- // Clear out any previous buffers
- clear();
- bool bRtl(mnLayoutFlags & SalLayoutFlags::BiDiRtl);
- try
+#ifdef GRLAYOUT_DEBUG
+ fprintf(grLog(), "New Graphite LayoutText\n");
+#endif
+ success = false;
+ while (true)
{
- // Don't set RTL if font doesn't support it otherwise it forces rtl on
- // everything
- //if (bRtl && (mrFont.getSupportedScriptDirections() & gr::kfsdcHorizRtl))
- // maLayout.setRightToLeft(bRtl);
-
- // Context is often needed beyond the specified end, however, we don't
- // want it if there has been a direction change, since it is hard
- // to tell between reordering within one direction and multi-directional
- // text. Extra context, can also cause problems with ligatures stradling
- // a hyphenation point, so disable if CTL is disabled.
- mnSegCharOffset = rArgs.mnMinCharPos;
- int limit = rArgs.mnEndCharPos;
- if (!(SalLayoutFlags::ComplexDisabled & rArgs.mnFlags))
- {
- int nSegCharMin = maximum<int>(0, mnMinCharPos - EXTRA_CONTEXT_LENGTH);
- int nSegCharLimit = minimum(rArgs.mnLength, mnEndCharPos + EXTRA_CONTEXT_LENGTH);
- while (nSegCharMin < mnSegCharOffset)
- {
- int sameDirEnd = nSegCharMin + findSameDirLimit(rArgs.mpStr + nSegCharMin,
- rArgs.mnEndCharPos - nSegCharMin, bRtl);
- if (sameDirEnd >= rArgs.mnMinCharPos)
- {
- mnSegCharOffset = nSegCharMin;
- break;
- }
- else
- nSegCharMin = sameDirEnd;
- }
- if (nSegCharLimit > limit)
- {
- limit += findSameDirLimit(rArgs.mpStr + rArgs.mnEndCharPos,
- nSegCharLimit - rArgs.mnEndCharPos, bRtl);
- if (limit > rArgs.mnLength)
- limit = rArgs.mnLength;
- }
- }
- else
- {
- limit = minimum(rArgs.mnLength, mnEndCharPos + EXTRA_CONTEXT_LENGTH);
- mnSegCharOffset = maximum<int>(0, mnMinCharPos - EXTRA_CONTEXT_LENGTH);
- }
+ int nBidiMinRunPos, nBidiEndRunPos;
+ bool bRightToLeft;
+ if (!rArgs.GetNextRun(&nBidiMinRunPos, &nBidiEndRunPos, &bRightToLeft))
+ break;
- size_t numchars = gr_count_unicode_characters(gr_utf16, rArgs.mpStr + mnSegCharOffset,
- rArgs.mpStr + limit, NULL);
- if (mpFeatures)
- pSegment = gr_make_seg(mpFont, mpFace, 0, mpFeatures->values(), gr_utf16,
- rArgs.mpStr + mnSegCharOffset, numchars, bRtl);
- else
- pSegment = gr_make_seg(mpFont, mpFace, 0, NULL, gr_utf16,
- rArgs.mpStr + mnSegCharOffset, numchars, bRtl);
+ if (nBidiEndRunPos < mnMinCharPos || nBidiMinRunPos >= mnEndCharPos)
+ continue;
+
+ if (nBidiMinRunPos == mnMinCharPos)
+ nBidiMinRunPos = maximum<int>(0, nBidiMinRunPos - EXTRA_CONTEXT_LENGTH);
+ if (nBidiEndRunPos == mnEndCharPos)
+ nBidiEndRunPos = minimum<int>(rArgs.mnLength, nBidiEndRunPos + EXTRA_CONTEXT_LENGTH);
+ size_t numchars = gr_count_unicode_characters(gr_utf16, rArgs.mpStr + nBidiMinRunPos,
+ rArgs.mpStr + nBidiEndRunPos, NULL);
+ gr_segment * pSegment = gr_make_seg(mpFont, mpFace, 0, mpFeatures ? mpFeatures->values() : NULL,
+ gr_utf16, rArgs.mpStr + nBidiMinRunPos, numchars, 2 | int(bRightToLeft));
- //pSegment = new gr::RangeSegment((gr::Font *)&mrFont, mpTextSrc, &maLayout, mnMinCharPos, limit);
if (pSegment != NULL)
{
+ success = true;
+ mnSegCharOffset = nBidiMinRunPos;
#ifdef GRLAYOUT_DEBUG
- fprintf(grLog(),"Gr::LayoutText %d-%d, context %d, len %d, numchars %" SAL_PRI_SIZET "u, rtl %d scaling %f:", rArgs.mnMinCharPos,
- rArgs.mnEndCharPos, limit, rArgs.mnLength, numchars, bRtl, mfScaling);
- for (int i = mnSegCharOffset; i < limit; ++i)
+ fprintf(grLog(),"Gr::LayoutText %d-%d, context %d-%d, len %d, numchars %" SAL_PRI_SIZET "u, rtl %d scaling %f:",
+ rArgs.mnMinCharPos, rArgs.mnEndCharPos,
+ nBidiMinRunPos, nBidiEndRunPos,
+ rArgs.mnLength, numchars, bRightToLeft, mfScaling);
+ for (int i = mnSegCharOffset; i < nBidiEndRunPos; ++i)
fprintf(grLog(), " %04X", rArgs.mpStr[i]);
fprintf(grLog(), "\n");
#endif
- }
- else
- {
-#ifdef GRLAYOUT_DEBUG
- fprintf(grLog(), "Gr::LayoutText failed: ");
- for (int i = mnMinCharPos; i < limit; i++)
- {
- fprintf(grLog(), "%04x ", rArgs.mpStr[i]);
- }
- fprintf(grLog(), "\n");
-#endif
- clear();
- return NULL;
- }
- }
- catch (...)
- {
- clear(); // destroy the text source and any partially built segments.
- return NULL;
- }
- return pSegment;
-}
-
-bool GraphiteLayout::LayoutGlyphs(ImplLayoutArgs& rArgs, gr_segment * pSegment)
-{
- // Calculate the initial character dxs.
- mvCharDxs.assign(mnEndCharPos - mnMinCharPos, -1);
- mvChar2BaseGlyph.assign(mnEndCharPos - mnMinCharPos, -1);
- mvCharBreaks.assign(mnEndCharPos - mnMinCharPos, 0);
- mnWidth = 0;
- if (mvCharDxs.size() > 0)
- {
- // Discover all the clusters.
- try
- {
- bool bRtl(mnLayoutFlags & SalLayoutFlags::BiDiRtl);
- fillFrom(pSegment, rArgs, mfScaling);
-
- if (bRtl)
- {
- // not needed for adjacent differences, but for mouse clicks to char
- std::transform(mvCharDxs.begin(), mvCharDxs.end(), mvCharDxs.begin(),
- std::bind1st(std::minus<long>(), mnWidth));
- // fixup last dx to ensure it always equals the width
- mvCharDxs[mvCharDxs.size() - 1] = mnWidth;
- }
- }
- catch (const std::exception &e)
- {
-#ifdef GRLAYOUT_DEBUG
- fprintf(grLog(),"LayoutGlyphs failed %s\n", e.what());
-#else
- (void)e;
-#endif
- return false;
- }
- catch (...)
- {
-#ifdef GRLAYOUT_DEBUG
- fprintf(grLog(),"LayoutGlyphs failed with exception");
-#endif
- return false;
+ fillFrom(pSegment, rArgs, mfScaling, bRightToLeft, nBidiEndRunPos);
+ gr_seg_destroy(pSegment);
}
}
- else
- {
- mnWidth = 0;
- }
- return true;
+ return success;
}
sal_Int32 GraphiteLayout::GetTextBreak(DeviceCoordinate maxmnWidth, DeviceCoordinate char_extra, int factor) const
@@ -758,10 +513,6 @@ DeviceCoordinate GraphiteLayout::FillDXArray( DeviceCoordinate* pDXArray ) const
fprintf(grLog(),"%d,%d,%ld ", (int)i, (int)mvCharDxs[i], pDXArray[i]);
#endif
}
- //std::adjacent_difference(mvCharDxs.begin(), mvCharDxs.end(), pDXArray);
- //for (size_t i = 0; i < mvCharDxs.size(); i++)
- // fprintf(grLog(),"%d,%d,%d ", (int)i, (int)mvCharDxs[i], pDXArray[i]);
- //fprintf(grLog(),"FillDX %ld,%d\n", mnWidth, std::accumulate(pDXArray, pDXArray + mvCharDxs.size(), 0));
}
#ifdef GRLAYOUT_DEBUG
fprintf(grLog(),"FillDXArray %d-%d=%g\n", mnMinCharPos, mnEndCharPos, (double)mnWidth);
@@ -820,7 +571,7 @@ void GraphiteLayout::expandOrCondense(ImplLayoutArgs &rArgs)
int nClusterCount = 0;
for (size_t j = 0; j < mvGlyphs.size(); j++)
{
- if (mvGlyphs[j].IsClusterStart())
+ if (mvGlyphs[j].IsClusterStart() && !mvGlyphs[j].IsDiacritic())
{
++nClusterCount;
}
@@ -832,7 +583,7 @@ void GraphiteLayout::expandOrCondense(ImplLayoutArgs &rArgs)
int nOffset = 0;
for (size_t i = 0; i < mvGlyphs.size(); i++)
{
- if (mvGlyphs[i].IsClusterStart())
+ if (mvGlyphs[i].IsClusterStart() && !mvGlyphs[i].IsDiacritic())
{
nOffset = static_cast<int>(fExtraPerCluster * nCluster);
int nCharIndex = mvGlyph2Char[i];
@@ -885,126 +636,109 @@ void GraphiteLayout::expandOrCondense(ImplLayoutArgs &rArgs)
mnWidth = rArgs.mnLayoutWidth;
}
+int GraphiteLayout::ScanFwdForChar(int &findChar, bool fallback) const
+{
+ int res = mvChar2Glyph[findChar - mnMinCharPos];
+ if (res == -1)
+ {
+ if (fallback)
+ {
+ for (++findChar; findChar - mnMinCharPos < int(mvChar2Glyph.size()); ++findChar)
+ if ((res = mvChar2Glyph[findChar - mnMinCharPos]) != -1)
+ return res;
+ }
+ else
+ {
+ for (--findChar; findChar >= mnMinCharPos; --findChar)
+ if ((res = mvChar2Glyph[findChar - mnMinCharPos]) != -1)
+ return res;
+ }
+ }
+ return res;
+}
+
void GraphiteLayout::ApplyDXArray(ImplLayoutArgs &args, std::vector<int> & rDeltaWidth)
{
- const size_t nChars = args.mnEndCharPos - args.mnMinCharPos;
- if (nChars == 0) return;
+ bool bRtl(mnLayoutFlags & SalLayoutFlags::BiDiRtl);
+ int startChar = args.mnMinCharPos < mnMinCharPos ? mnMinCharPos : args.mnMinCharPos;
+ int endChar = args.mnEndCharPos >= mnEndCharPos ? mnEndCharPos - 1 : args.mnEndCharPos;
+ int startGi = ScanFwdForChar(startChar, !bRtl);
+ int endGi = ScanFwdForChar(endChar, bRtl);
+ int nChars = endChar - startChar + 1;
+ if (nChars <= 0) return;
+ if (startGi > endGi)
+ {
+ int temp = endGi;
+ endGi = startGi;
+ startGi = temp;
+ }
+ ++endGi;
#ifdef GRLAYOUT_DEBUG
for (size_t iDx = 0; iDx < mvCharDxs.size(); iDx++)
fprintf(grLog(),"%d,%d,%ld ", (int)iDx, (int)mvCharDxs[iDx], args.mpDXArray[iDx]);
- fprintf(grLog(),"ApplyDx\n");
+ fprintf(grLog(),"ApplyDx %d-%d=%d-%d\n", startChar, endChar, startGi, endGi);
#endif
- bool bRtl(mnLayoutFlags & SalLayoutFlags::BiDiRtl);
- int nXOffset = 0;
- if (bRtl)
- {
- nXOffset = args.mpDXArray[nChars - 1] - mvCharDxs[nChars - 1];
- }
- int nPrevClusterGlyph = (bRtl)? (signed)mvGlyphs.size() : -1;
- int nPrevClusterLastChar = -1;
- for (size_t i = 0; i < nChars; i++)
+
+ for (int i = startGi; i < endGi; ++i)
{
- int nChar2Base = mvChar2BaseGlyph[i];
- if ((nChar2Base > -1) && (nChar2Base != nPrevClusterGlyph))
+ // calculate visual cluster bounds
+ int firstChar = mvGlyph2Char[i];
+ int nBaseGlyph = mvChar2BaseGlyph[firstChar - mnMinCharPos];
+ while (nBaseGlyph == -1 && i < endGi)
{
- assert((nChar2Base > -1) && (nChar2Base < (signed)mvGlyphs.size()));
- GlyphItem & gi = mvGlyphs[nChar2Base];
- if (!gi.IsClusterStart())
- continue;
-
- // find last glyph of this cluster
- size_t j = i + 1;
- int nLastChar = i;
- int nLastGlyph = nChar2Base;
- for (; j < nChars; j++)
+ ++i;
+ firstChar = mvGlyph2Char[i];
+ nBaseGlyph = mvChar2BaseGlyph[firstChar - mnMinCharPos];
+ }
+ int lastChar = firstChar;
+ int nLastGlyph = i;
+ // firstGlyph = i
+ for ( ; nLastGlyph < endGi; nLastGlyph++)
+ {
+ int thisChar = mvGlyph2Char[nLastGlyph];
+ if (thisChar == -1) continue;
+ if (mvChar2BaseGlyph[thisChar - mnMinCharPos] != nBaseGlyph)
{
- const int nChar2BaseJ = mvChar2BaseGlyph[j];
- assert((nChar2BaseJ >= -1) && (nChar2BaseJ < (signed)mvGlyphs.size()));
- if (nChar2BaseJ != -1 )
- {
- nLastGlyph = nChar2BaseJ + ((bRtl)? +1 : -1);
- nLastChar = j - 1;
+ if (!mvGlyphs[nLastGlyph].IsDiacritic())
break;
- }
- }
- if (nLastGlyph < 0)
- {
- nLastGlyph = nChar2Base;
- }
- // Its harder to find the last glyph rtl, since the first of
- // cluster is still on the left so we need to search towards
- // the previous cluster to the right
- if (bRtl)
- {
- nLastGlyph = nChar2Base;
- while (nLastGlyph + 1 < (signed)mvGlyphs.size() &&
- !mvGlyphs[nLastGlyph+1].IsClusterStart())
- {
- ++nLastGlyph;
- }
- }
- if (j == nChars)
- {
- nLastChar = nChars - 1;
- if (!bRtl) nLastGlyph = mvGlyphs.size() - 1;
- }
- int nBaseCount = 0;
- // count bases within cluster - may be more than 1 with reordering
- for (int k = nChar2Base; k <= nLastGlyph; k++)
- {
- if (mvGlyphs[k].IsClusterStart()) ++nBaseCount;
- }
- assert((nLastChar > -1) && (nLastChar < (signed)nChars));
- long nNewClusterWidth = args.mpDXArray[nLastChar];
- long nOrigClusterWidth = mvCharDxs[nLastChar];
- long nDGlyphOrigin = 0;
- if (nPrevClusterLastChar > - 1)
- {
- assert(nPrevClusterLastChar < (signed)nChars);
- nNewClusterWidth -= args.mpDXArray[nPrevClusterLastChar];
- nOrigClusterWidth -= mvCharDxs[nPrevClusterLastChar];
- nDGlyphOrigin = args.mpDXArray[nPrevClusterLastChar] - mvCharDxs[nPrevClusterLastChar];
- }
- long nDWidth = nNewClusterWidth - nOrigClusterWidth;
-#ifdef GRLAYOUT_DEBUG
- fprintf(grLog(), "c%lu last glyph %d/%lu\n", i, nLastGlyph, mvGlyphs.size());
-#endif
- assert((nLastGlyph > -1) && (nLastGlyph < (signed)mvGlyphs.size()));
- mvGlyphs[nLastGlyph].mnNewWidth += nDWidth;
- if (gi.maGlyphId != GF_DROPPED)
- mvGlyphs[nLastGlyph].mnNewWidth += nDWidth;
- else
- nDGlyphOrigin += nDWidth;
- long nDOriginPerBase = (nBaseCount > 0)? nDWidth / nBaseCount : 0;
- nBaseCount = -1;
- // update glyph positions
- if (bRtl)
- {
- for (int n = nChar2Base; n <= nLastGlyph; n++)
- {
- if (mvGlyphs[n].IsClusterStart()) ++nBaseCount;
- assert((n > - 1) && (n < (signed)mvGlyphs.size()));
- mvGlyphs[n].maLinearPos.X() += -(nDGlyphOrigin + nDOriginPerBase * nBaseCount) + nXOffset;
- }
- }
- else
- {
- for (int n = nChar2Base; n <= nLastGlyph; n++)
- {
- if (mvGlyphs[n].IsClusterStart()) ++nBaseCount;
- assert((n > - 1) && (n < (signed)mvGlyphs.size()));
- mvGlyphs[n].maLinearPos.X() += nDGlyphOrigin + (nDOriginPerBase * nBaseCount) + nXOffset;
- }
+ else
+ nBaseGlyph = mvChar2BaseGlyph[thisChar - mnMinCharPos];
}
- rDeltaWidth[nChar2Base] = nDWidth;
+ if (thisChar > lastChar) lastChar = thisChar;
+ if (thisChar < firstChar) firstChar = thisChar;
+ }
+
+ // calculate visual cluster widths
+ if (lastChar > args.mnEndCharPos) lastChar = args.mnEndCharPos;
+ if (firstChar < args.mnMinCharPos) firstChar = args.mnMinCharPos;
+ long nNewClusterWidth = args.mpDXArray[lastChar - args.mnMinCharPos];
+ long nOrigClusterWidth = mvCharDxs[lastChar - mnMinCharPos];
+ long nDGlyphOrigin = 0;
+ if (firstChar >= args.mnMinCharPos)
+ {
+ nNewClusterWidth -= args.mpDXArray[firstChar - args.mnMinCharPos];
+ nOrigClusterWidth -= mvCharDxs[firstChar - mnMinCharPos];
+ nDGlyphOrigin = args.mpDXArray[firstChar - args.mnMinCharPos]
+ - mvCharDxs[firstChar - mnMinCharPos];
+ }
+
+ // update visual cluster
+ long nDWidth = nNewClusterWidth - nOrigClusterWidth;
+ if (firstChar >= args.mnMinCharPos)
+ for (int n = firstChar; n <= lastChar; ++n)
+ if (mvCharDxs[n - mnMinCharPos] != -1)
+ mvCharDxs[n - mnMinCharPos] += nDWidth + nDGlyphOrigin;
+ for (int n = i; n < nLastGlyph; n++)
+ mvGlyphs[n].maLinearPos.X() += (nDGlyphOrigin + nDWidth) * (bRtl ? -1 : 1);
+
+ rDeltaWidth[nBaseGlyph] = nDWidth;
#ifdef GRLAYOUT_DEBUG
- fprintf(grLog(),"c%d g%d-%d dW%ld-%ld=%ld dX%ld x%ld\t", (int)i, nChar2Base, nLastGlyph, nNewClusterWidth, nOrigClusterWidth, nDWidth, nDGlyphOrigin, mvGlyphs[nChar2Base].maLinearPos.X());
+ fprintf(grLog(),"c%d=%d g%d-%d dW%ld-%ld=%ld dX%ld x%ld @%d=%d\n", firstChar, lastChar, i, nLastGlyph, nNewClusterWidth, nOrigClusterWidth, nDWidth, nDGlyphOrigin, mvGlyphs[i].maLinearPos.X(), mvCharDxs[lastChar - mnMinCharPos], args.mpDXArray[lastChar - args.mnMinCharPos]);
#endif
- nPrevClusterGlyph = nChar2Base;
- nPrevClusterLastChar = nLastChar;
- i = nLastChar;
- }
+ i = nLastGlyph - 1;
+ if (i >= endGi - 1)
+ mnWidth += nDGlyphOrigin + nDWidth;
}
// Update the dx vector with the new values.
std::copy(args.mpDXArray, args.mpDXArray + nChars,
@@ -1012,7 +746,12 @@ void GraphiteLayout::ApplyDXArray(ImplLayoutArgs &args, std::vector<int> & rDelt
#ifdef GRLAYOUT_DEBUG
fprintf(grLog(),"ApplyDx %ld(%ld)\n", args.mpDXArray[nChars - 1], mnWidth);
#endif
- mnWidth = args.mpDXArray[nChars - 1];
+ if (bRtl)
+ {
+ int diff = mvGlyphs[0].maLinearPos.X();
+ for (size_t i = 0; i < mvGlyphs.size(); ++i)
+ mvGlyphs[i].maLinearPos.X() -= diff;
+ }
}
void GraphiteLayout::kashidaJustify(std::vector<int>& rDeltaWidths, sal_GlyphId nKashidaIndex, int nKashidaWidth)
diff --git a/vcl/win/source/gdi/winlayout.cxx b/vcl/win/source/gdi/winlayout.cxx
index cad232b..b3562ee 100644
--- a/vcl/win/source/gdi/winlayout.cxx
+++ b/vcl/win/source/gdi/winlayout.cxx
@@ -2368,11 +2368,6 @@ GraphiteWinLayout::~GraphiteWinLayout()
bool GraphiteWinLayout::LayoutText( ImplLayoutArgs & args)
{
- if (args.mnMinCharPos >= args.mnEndCharPos)
- {
- maImpl.clear();
- return true;
- }
HFONT hUnRotatedFont = 0;
if (args.mnOrientation)
{
@@ -2386,15 +2381,7 @@ bool GraphiteWinLayout::LayoutText( ImplLayoutArgs & args)
}
WinLayout::AdjustLayout(args);
maImpl.SetFontScale(WinLayout::mfFontScale);
- gr_segment * pSegment = maImpl.CreateSegment(args);
- bool bSucceeded = false;
- if (pSegment)
- {
- // replace the DC on the font within the segment
- // create glyph vectors
- bSucceeded = maImpl.LayoutGlyphs(args, pSegment);
- gr_seg_destroy(pSegment);
- }
+ bool bSucceeded = maImpl.LayoutText(args);
if (args.mnOrientation)
{
// restore the rotated font
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