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diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-directwrite.cc b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-directwrite.cc
deleted file mode 100644
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--- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-directwrite.cc
+++ /dev/null
@@ -1,988 +0,0 @@
-/*
- * Copyright © 2015-2019 Ebrahim Byagowi
- *
- * This is part of HarfBuzz, a text shaping library.
- *
- * Permission is hereby granted, without written agreement and without
- * license or royalty fees, to use, copy, modify, and distribute this
- * software and its documentation for any purpose, provided that the
- * above copyright notice and the following two paragraphs appear in
- * all copies of this software.
- *
- * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
- * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
- * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
- * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
- * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
- * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
- */
-
-#include "hb.hh"
-
-#ifdef HAVE_DIRECTWRITE
-
-#include "hb-shaper-impl.hh"
-
-#include <dwrite_1.h>
-
-#include "hb-directwrite.h"
-
-
-/**
- * SECTION:hb-directwrite
- * @title: hb-directwrite
- * @short_description: DirectWrite integration
- * @include: hb-directwrite.h
- *
- * Functions for using HarfBuzz with DirectWrite fonts.
- **/
-
-/* Declare object creator for dynamic support of DWRITE */
-typedef HRESULT (* WINAPI t_DWriteCreateFactory)(
- DWRITE_FACTORY_TYPE factoryType,
- REFIID iid,
- IUnknown **factory
-);
-
-/*
- * hb-directwrite uses new/delete syntatically but as we let users
- * to override malloc/free, we will redefine new/delete so users
- * won't need to do that by their own.
- */
-void* operator new (size_t size) { return malloc (size); }
-void* operator new [] (size_t size) { return malloc (size); }
-void operator delete (void* pointer) { free (pointer); }
-void operator delete [] (void* pointer) { free (pointer); }
-
-
-/*
- * DirectWrite font stream helpers
- */
-
-// This is a font loader which provides only one font (unlike its original design).
-// For a better implementation which was also source of this
-// and DWriteFontFileStream, have a look at to NativeFontResourceDWrite.cpp in Mozilla
-class DWriteFontFileLoader : public IDWriteFontFileLoader
-{
-private:
- IDWriteFontFileStream *mFontFileStream;
-public:
- DWriteFontFileLoader (IDWriteFontFileStream *fontFileStream)
- { mFontFileStream = fontFileStream; }
-
- // IUnknown interface
- IFACEMETHOD (QueryInterface) (IID const& iid, OUT void** ppObject)
- { return S_OK; }
- IFACEMETHOD_ (ULONG, AddRef) () { return 1; }
- IFACEMETHOD_ (ULONG, Release) () { return 1; }
-
- // IDWriteFontFileLoader methods
- virtual HRESULT STDMETHODCALLTYPE
- CreateStreamFromKey (void const* fontFileReferenceKey,
- uint32_t fontFileReferenceKeySize,
- OUT IDWriteFontFileStream** fontFileStream)
- {
- *fontFileStream = mFontFileStream;
- return S_OK;
- }
-
- virtual ~DWriteFontFileLoader() {}
-};
-
-class DWriteFontFileStream : public IDWriteFontFileStream
-{
-private:
- uint8_t *mData;
- uint32_t mSize;
-public:
- DWriteFontFileStream (uint8_t *aData, uint32_t aSize)
- {
- mData = aData;
- mSize = aSize;
- }
-
- // IUnknown interface
- IFACEMETHOD (QueryInterface) (IID const& iid, OUT void** ppObject)
- { return S_OK; }
- IFACEMETHOD_ (ULONG, AddRef) () { return 1; }
- IFACEMETHOD_ (ULONG, Release) () { return 1; }
-
- // IDWriteFontFileStream methods
- virtual HRESULT STDMETHODCALLTYPE
- ReadFileFragment (void const** fragmentStart,
- UINT64 fileOffset,
- UINT64 fragmentSize,
- OUT void** fragmentContext)
- {
- // We are required to do bounds checking.
- if (fileOffset + fragmentSize > mSize) return E_FAIL;
-
- // truncate the 64 bit fileOffset to size_t sized index into mData
- size_t index = static_cast<size_t> (fileOffset);
-
- // We should be alive for the duration of this.
- *fragmentStart = &mData[index];
- *fragmentContext = nullptr;
- return S_OK;
- }
-
- virtual void STDMETHODCALLTYPE
- ReleaseFileFragment (void* fragmentContext) {}
-
- virtual HRESULT STDMETHODCALLTYPE
- GetFileSize (OUT UINT64* fileSize)
- {
- *fileSize = mSize;
- return S_OK;
- }
-
- virtual HRESULT STDMETHODCALLTYPE
- GetLastWriteTime (OUT UINT64* lastWriteTime) { return E_NOTIMPL; }
-
- virtual ~DWriteFontFileStream() {}
-};
-
-
-/*
-* shaper face data
-*/
-
-struct hb_directwrite_face_data_t
-{
- HMODULE dwrite_dll;
- IDWriteFactory *dwriteFactory;
- IDWriteFontFile *fontFile;
- DWriteFontFileStream *fontFileStream;
- DWriteFontFileLoader *fontFileLoader;
- IDWriteFontFace *fontFace;
- hb_blob_t *faceBlob;
-};
-
-hb_directwrite_face_data_t *
-_hb_directwrite_shaper_face_data_create (hb_face_t *face)
-{
- hb_directwrite_face_data_t *data = new hb_directwrite_face_data_t;
- if (unlikely (!data))
- return nullptr;
-
-#define FAIL(...) \
- HB_STMT_START { \
- DEBUG_MSG (DIRECTWRITE, nullptr, __VA_ARGS__); \
- return nullptr; \
- } HB_STMT_END
-
- data->dwrite_dll = LoadLibrary (TEXT ("DWRITE"));
- if (unlikely (!data->dwrite_dll))
- FAIL ("Cannot find DWrite.DLL");
-
- t_DWriteCreateFactory p_DWriteCreateFactory;
-
-#if defined(__GNUC__)
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wcast-function-type"
-#endif
-
- p_DWriteCreateFactory = (t_DWriteCreateFactory)
- GetProcAddress (data->dwrite_dll, "DWriteCreateFactory");
-
-#if defined(__GNUC__)
-#pragma GCC diagnostic pop
-#endif
-
- if (unlikely (!p_DWriteCreateFactory))
- FAIL ("Cannot find DWriteCreateFactory().");
-
- HRESULT hr;
-
- // TODO: factory and fontFileLoader should be cached separately
- IDWriteFactory* dwriteFactory;
- hr = p_DWriteCreateFactory (DWRITE_FACTORY_TYPE_SHARED, __uuidof (IDWriteFactory),
- (IUnknown**) &dwriteFactory);
-
- if (unlikely (hr != S_OK))
- FAIL ("Failed to run DWriteCreateFactory().");
-
- hb_blob_t *blob = hb_face_reference_blob (face);
- DWriteFontFileStream *fontFileStream;
- fontFileStream = new DWriteFontFileStream ((uint8_t *) hb_blob_get_data (blob, nullptr),
- hb_blob_get_length (blob));
-
- DWriteFontFileLoader *fontFileLoader = new DWriteFontFileLoader (fontFileStream);
- dwriteFactory->RegisterFontFileLoader (fontFileLoader);
-
- IDWriteFontFile *fontFile;
- uint64_t fontFileKey = 0;
- hr = dwriteFactory->CreateCustomFontFileReference (&fontFileKey, sizeof (fontFileKey),
- fontFileLoader, &fontFile);
-
- if (FAILED (hr))
- FAIL ("Failed to load font file from data!");
-
- BOOL isSupported;
- DWRITE_FONT_FILE_TYPE fileType;
- DWRITE_FONT_FACE_TYPE faceType;
- uint32_t numberOfFaces;
- hr = fontFile->Analyze (&isSupported, &fileType, &faceType, &numberOfFaces);
- if (FAILED (hr) || !isSupported)
- FAIL ("Font file is not supported.");
-
-#undef FAIL
-
- IDWriteFontFace *fontFace;
- dwriteFactory->CreateFontFace (faceType, 1, &fontFile, 0,
- DWRITE_FONT_SIMULATIONS_NONE, &fontFace);
-
- data->dwriteFactory = dwriteFactory;
- data->fontFile = fontFile;
- data->fontFileStream = fontFileStream;
- data->fontFileLoader = fontFileLoader;
- data->fontFace = fontFace;
- data->faceBlob = blob;
-
- return data;
-}
-
-void
-_hb_directwrite_shaper_face_data_destroy (hb_directwrite_face_data_t *data)
-{
- if (data->fontFace)
- data->fontFace->Release ();
- if (data->fontFile)
- data->fontFile->Release ();
- if (data->dwriteFactory)
- {
- if (data->fontFileLoader)
- data->dwriteFactory->UnregisterFontFileLoader (data->fontFileLoader);
- data->dwriteFactory->Release ();
- }
- if (data->fontFileLoader)
- delete data->fontFileLoader;
- if (data->fontFileStream)
- delete data->fontFileStream;
- if (data->faceBlob)
- hb_blob_destroy (data->faceBlob);
- if (data->dwrite_dll)
- FreeLibrary (data->dwrite_dll);
- if (data)
- delete data;
-}
-
-
-/*
- * shaper font data
- */
-
-struct hb_directwrite_font_data_t {};
-
-hb_directwrite_font_data_t *
-_hb_directwrite_shaper_font_data_create (hb_font_t *font)
-{
- hb_directwrite_font_data_t *data = new hb_directwrite_font_data_t;
- if (unlikely (!data))
- return nullptr;
-
- return data;
-}
-
-void
-_hb_directwrite_shaper_font_data_destroy (hb_directwrite_font_data_t *data)
-{
- delete data;
-}
-
-
-// Most of TextAnalysis is originally written by Bas Schouten for Mozilla project
-// but now is relicensed to MIT for HarfBuzz use
-class TextAnalysis : public IDWriteTextAnalysisSource, public IDWriteTextAnalysisSink
-{
-public:
-
- IFACEMETHOD (QueryInterface) (IID const& iid, OUT void** ppObject)
- { return S_OK; }
- IFACEMETHOD_ (ULONG, AddRef) () { return 1; }
- IFACEMETHOD_ (ULONG, Release) () { return 1; }
-
- // A single contiguous run of characters containing the same analysis
- // results.
- struct Run
- {
- uint32_t mTextStart; // starting text position of this run
- uint32_t mTextLength; // number of contiguous code units covered
- uint32_t mGlyphStart; // starting glyph in the glyphs array
- uint32_t mGlyphCount; // number of glyphs associated with this run
- // text
- DWRITE_SCRIPT_ANALYSIS mScript;
- uint8_t mBidiLevel;
- bool mIsSideways;
-
- bool ContainsTextPosition (uint32_t aTextPosition) const
- {
- return aTextPosition >= mTextStart &&
- aTextPosition < mTextStart + mTextLength;
- }
-
- Run *nextRun;
- };
-
-public:
- TextAnalysis (const wchar_t* text, uint32_t textLength,
- const wchar_t* localeName, DWRITE_READING_DIRECTION readingDirection)
- : mTextLength (textLength), mText (text), mLocaleName (localeName),
- mReadingDirection (readingDirection), mCurrentRun (nullptr) {}
- ~TextAnalysis ()
- {
- // delete runs, except mRunHead which is part of the TextAnalysis object
- for (Run *run = mRunHead.nextRun; run;)
- {
- Run *origRun = run;
- run = run->nextRun;
- delete origRun;
- }
- }
-
- STDMETHODIMP
- GenerateResults (IDWriteTextAnalyzer* textAnalyzer, Run **runHead)
- {
- // Analyzes the text using the script analyzer and returns
- // the result as a series of runs.
-
- HRESULT hr = S_OK;
-
- // Initially start out with one result that covers the entire range.
- // This result will be subdivided by the analysis processes.
- mRunHead.mTextStart = 0;
- mRunHead.mTextLength = mTextLength;
- mRunHead.mBidiLevel =
- (mReadingDirection == DWRITE_READING_DIRECTION_RIGHT_TO_LEFT);
- mRunHead.nextRun = nullptr;
- mCurrentRun = &mRunHead;
-
- // Call each of the analyzers in sequence, recording their results.
- if (SUCCEEDED (hr = textAnalyzer->AnalyzeScript (this, 0, mTextLength, this)))
- *runHead = &mRunHead;
-
- return hr;
- }
-
- // IDWriteTextAnalysisSource implementation
-
- IFACEMETHODIMP
- GetTextAtPosition (uint32_t textPosition,
- OUT wchar_t const** textString,
- OUT uint32_t* textLength)
- {
- if (textPosition >= mTextLength)
- {
- // No text at this position, valid query though.
- *textString = nullptr;
- *textLength = 0;
- }
- else
- {
- *textString = mText + textPosition;
- *textLength = mTextLength - textPosition;
- }
- return S_OK;
- }
-
- IFACEMETHODIMP
- GetTextBeforePosition (uint32_t textPosition,
- OUT wchar_t const** textString,
- OUT uint32_t* textLength)
- {
- if (textPosition == 0 || textPosition > mTextLength)
- {
- // Either there is no text before here (== 0), or this
- // is an invalid position. The query is considered valid though.
- *textString = nullptr;
- *textLength = 0;
- }
- else
- {
- *textString = mText;
- *textLength = textPosition;
- }
- return S_OK;
- }
-
- IFACEMETHODIMP_ (DWRITE_READING_DIRECTION)
- GetParagraphReadingDirection () { return mReadingDirection; }
-
- IFACEMETHODIMP GetLocaleName (uint32_t textPosition, uint32_t* textLength,
- wchar_t const** localeName)
- { return S_OK; }
-
- IFACEMETHODIMP
- GetNumberSubstitution (uint32_t textPosition,
- OUT uint32_t* textLength,
- OUT IDWriteNumberSubstitution** numberSubstitution)
- {
- // We do not support number substitution.
- *numberSubstitution = nullptr;
- *textLength = mTextLength - textPosition;
-
- return S_OK;
- }
-
- // IDWriteTextAnalysisSink implementation
-
- IFACEMETHODIMP
- SetScriptAnalysis (uint32_t textPosition, uint32_t textLength,
- DWRITE_SCRIPT_ANALYSIS const* scriptAnalysis)
- {
- SetCurrentRun (textPosition);
- SplitCurrentRun (textPosition);
- while (textLength > 0)
- {
- Run *run = FetchNextRun (&textLength);
- run->mScript = *scriptAnalysis;
- }
-
- return S_OK;
- }
-
- IFACEMETHODIMP
- SetLineBreakpoints (uint32_t textPosition,
- uint32_t textLength,
- const DWRITE_LINE_BREAKPOINT* lineBreakpoints)
- { return S_OK; }
-
- IFACEMETHODIMP SetBidiLevel (uint32_t textPosition, uint32_t textLength,
- uint8_t explicitLevel, uint8_t resolvedLevel)
- { return S_OK; }
-
- IFACEMETHODIMP
- SetNumberSubstitution (uint32_t textPosition, uint32_t textLength,
- IDWriteNumberSubstitution* numberSubstitution)
- { return S_OK; }
-
-protected:
- Run *FetchNextRun (IN OUT uint32_t* textLength)
- {
- // Used by the sink setters, this returns a reference to the next run.
- // Position and length are adjusted to now point after the current run
- // being returned.
-
- Run *origRun = mCurrentRun;
- // Split the tail if needed (the length remaining is less than the
- // current run's size).
- if (*textLength < mCurrentRun->mTextLength)
- SplitCurrentRun (mCurrentRun->mTextStart + *textLength);
- else
- // Just advance the current run.
- mCurrentRun = mCurrentRun->nextRun;
- *textLength -= origRun->mTextLength;
-
- // Return a reference to the run that was just current.
- return origRun;
- }
-
- void SetCurrentRun (uint32_t textPosition)
- {
- // Move the current run to the given position.
- // Since the analyzers generally return results in a forward manner,
- // this will usually just return early. If not, find the
- // corresponding run for the text position.
-
- if (mCurrentRun && mCurrentRun->ContainsTextPosition (textPosition))
- return;
-
- for (Run *run = &mRunHead; run; run = run->nextRun)
- if (run->ContainsTextPosition (textPosition))
- {
- mCurrentRun = run;
- return;
- }
- assert (0); // We should always be able to find the text position in one of our runs
- }
-
- void SplitCurrentRun (uint32_t splitPosition)
- {
- if (!mCurrentRun)
- {
- assert (0); // SplitCurrentRun called without current run
- // Shouldn't be calling this when no current run is set!
- return;
- }
- // Split the current run.
- if (splitPosition <= mCurrentRun->mTextStart)
- {
- // No need to split, already the start of a run
- // or before it. Usually the first.
- return;
- }
- Run *newRun = new Run;
-
- *newRun = *mCurrentRun;
-
- // Insert the new run in our linked list.
- newRun->nextRun = mCurrentRun->nextRun;
- mCurrentRun->nextRun = newRun;
-
- // Adjust runs' text positions and lengths.
- uint32_t splitPoint = splitPosition - mCurrentRun->mTextStart;
- newRun->mTextStart += splitPoint;
- newRun->mTextLength -= splitPoint;
- mCurrentRun->mTextLength = splitPoint;
- mCurrentRun = newRun;
- }
-
-protected:
- // Input
- // (weak references are fine here, since this class is a transient
- // stack-based helper that doesn't need to copy data)
- uint32_t mTextLength;
- const wchar_t* mText;
- const wchar_t* mLocaleName;
- DWRITE_READING_DIRECTION mReadingDirection;
-
- // Current processing state.
- Run *mCurrentRun;
-
- // Output is a list of runs starting here
- Run mRunHead;
-};
-
-/*
- * shaper
- */
-
-static hb_bool_t
-_hb_directwrite_shape_full (hb_shape_plan_t *shape_plan,
- hb_font_t *font,
- hb_buffer_t *buffer,
- const hb_feature_t *features,
- unsigned int num_features,
- float lineWidth)
-{
- hb_face_t *face = font->face;
- const hb_directwrite_face_data_t *face_data = face->data.directwrite;
- IDWriteFactory *dwriteFactory = face_data->dwriteFactory;
- IDWriteFontFace *fontFace = face_data->fontFace;
-
- IDWriteTextAnalyzer* analyzer;
- dwriteFactory->CreateTextAnalyzer (&analyzer);
-
- unsigned int scratch_size;
- hb_buffer_t::scratch_buffer_t *scratch = buffer->get_scratch_buffer (&scratch_size);
-#define ALLOCATE_ARRAY(Type, name, len) \
- Type *name = (Type *) scratch; \
- do { \
- unsigned int _consumed = DIV_CEIL ((len) * sizeof (Type), sizeof (*scratch)); \
- assert (_consumed <= scratch_size); \
- scratch += _consumed; \
- scratch_size -= _consumed; \
- } while (0)
-
-#define utf16_index() var1.u32
-
- ALLOCATE_ARRAY (wchar_t, textString, buffer->len * 2);
-
- unsigned int chars_len = 0;
- for (unsigned int i = 0; i < buffer->len; i++)
- {
- hb_codepoint_t c = buffer->info[i].codepoint;
- buffer->info[i].utf16_index () = chars_len;
- if (likely (c <= 0xFFFFu))
- textString[chars_len++] = c;
- else if (unlikely (c > 0x10FFFFu))
- textString[chars_len++] = 0xFFFDu;
- else
- {
- textString[chars_len++] = 0xD800u + ((c - 0x10000u) >> 10);
- textString[chars_len++] = 0xDC00u + ((c - 0x10000u) & ((1u << 10) - 1));
- }
- }
-
- ALLOCATE_ARRAY (WORD, log_clusters, chars_len);
- /* Need log_clusters to assign features. */
- chars_len = 0;
- for (unsigned int i = 0; i < buffer->len; i++)
- {
- hb_codepoint_t c = buffer->info[i].codepoint;
- unsigned int cluster = buffer->info[i].cluster;
- log_clusters[chars_len++] = cluster;
- if (hb_in_range (c, 0x10000u, 0x10FFFFu))
- log_clusters[chars_len++] = cluster; /* Surrogates. */
- }
-
- // TODO: Handle TEST_DISABLE_OPTIONAL_LIGATURES
-
- DWRITE_READING_DIRECTION readingDirection;
- readingDirection = buffer->props.direction ?
- DWRITE_READING_DIRECTION_RIGHT_TO_LEFT :
- DWRITE_READING_DIRECTION_LEFT_TO_RIGHT;
-
- /*
- * There's an internal 16-bit limit on some things inside the analyzer,
- * but we never attempt to shape a word longer than 64K characters
- * in a single gfxShapedWord, so we cannot exceed that limit.
- */
- uint32_t textLength = buffer->len;
-
- TextAnalysis analysis (textString, textLength, nullptr, readingDirection);
- TextAnalysis::Run *runHead;
- HRESULT hr;
- hr = analysis.GenerateResults (analyzer, &runHead);
-
-#define FAIL(...) \
- HB_STMT_START { \
- DEBUG_MSG (DIRECTWRITE, nullptr, __VA_ARGS__); \
- return false; \
- } HB_STMT_END
-
- if (FAILED (hr))
- FAIL ("Analyzer failed to generate results.");
-
- uint32_t maxGlyphCount = 3 * textLength / 2 + 16;
- uint32_t glyphCount;
- bool isRightToLeft = HB_DIRECTION_IS_BACKWARD (buffer->props.direction);
-
- const wchar_t localeName[20] = {0};
- if (buffer->props.language)
- mbstowcs ((wchar_t*) localeName,
- hb_language_to_string (buffer->props.language), 20);
-
- // TODO: it does work but doesn't care about ranges
- DWRITE_TYPOGRAPHIC_FEATURES typographic_features;
- typographic_features.featureCount = num_features;
- if (num_features)
- {
- typographic_features.features = new DWRITE_FONT_FEATURE[num_features];
- for (unsigned int i = 0; i < num_features; ++i)
- {
- typographic_features.features[i].nameTag = (DWRITE_FONT_FEATURE_TAG)
- hb_uint32_swap (features[i].tag);
- typographic_features.features[i].parameter = features[i].value;
- }
- }
- const DWRITE_TYPOGRAPHIC_FEATURES* dwFeatures;
- dwFeatures = (const DWRITE_TYPOGRAPHIC_FEATURES*) &typographic_features;
- const uint32_t featureRangeLengths[] = { textLength };
- //
-
- uint16_t* clusterMap;
- clusterMap = new uint16_t[textLength];
- DWRITE_SHAPING_TEXT_PROPERTIES* textProperties;
- textProperties = new DWRITE_SHAPING_TEXT_PROPERTIES[textLength];
-retry_getglyphs:
- uint16_t* glyphIndices = new uint16_t[maxGlyphCount];
- DWRITE_SHAPING_GLYPH_PROPERTIES* glyphProperties;
- glyphProperties = new DWRITE_SHAPING_GLYPH_PROPERTIES[maxGlyphCount];
-
- hr = analyzer->GetGlyphs (textString, textLength, fontFace, false,
- isRightToLeft, &runHead->mScript, localeName,
- nullptr, &dwFeatures, featureRangeLengths, 1,
- maxGlyphCount, clusterMap, textProperties,
- glyphIndices, glyphProperties, &glyphCount);
-
- if (unlikely (hr == HRESULT_FROM_WIN32 (ERROR_INSUFFICIENT_BUFFER)))
- {
- delete [] glyphIndices;
- delete [] glyphProperties;
-
- maxGlyphCount *= 2;
-
- goto retry_getglyphs;
- }
- if (FAILED (hr))
- FAIL ("Analyzer failed to get glyphs.");
-
- float* glyphAdvances = new float[maxGlyphCount];
- DWRITE_GLYPH_OFFSET* glyphOffsets = new DWRITE_GLYPH_OFFSET[maxGlyphCount];
-
- /* The -2 in the following is to compensate for possible
- * alignment needed after the WORD array. sizeof (WORD) == 2. */
- unsigned int glyphs_size = (scratch_size * sizeof (int) - 2)
- / (sizeof (WORD) +
- sizeof (DWRITE_SHAPING_GLYPH_PROPERTIES) +
- sizeof (int) +
- sizeof (DWRITE_GLYPH_OFFSET) +
- sizeof (uint32_t));
- ALLOCATE_ARRAY (uint32_t, vis_clusters, glyphs_size);
-
-#undef ALLOCATE_ARRAY
-
- int fontEmSize = font->face->get_upem ();
- if (fontEmSize < 0) fontEmSize = -fontEmSize;
-
- if (fontEmSize < 0) fontEmSize = -fontEmSize;
- double x_mult = (double) font->x_scale / fontEmSize;
- double y_mult = (double) font->y_scale / fontEmSize;
-
- hr = analyzer->GetGlyphPlacements (textString, clusterMap, textProperties,
- textLength, glyphIndices, glyphProperties,
- glyphCount, fontFace, fontEmSize,
- false, isRightToLeft, &runHead->mScript, localeName,
- &dwFeatures, featureRangeLengths, 1,
- glyphAdvances, glyphOffsets);
-
- if (FAILED (hr))
- FAIL ("Analyzer failed to get glyph placements.");
-
- IDWriteTextAnalyzer1* analyzer1;
- analyzer->QueryInterface (&analyzer1);
-
- if (analyzer1 && lineWidth)
- {
- DWRITE_JUSTIFICATION_OPPORTUNITY* justificationOpportunities =
- new DWRITE_JUSTIFICATION_OPPORTUNITY[maxGlyphCount];
- hr = analyzer1->GetJustificationOpportunities (fontFace, fontEmSize, runHead->mScript,
- textLength, glyphCount, textString,
- clusterMap, glyphProperties,
- justificationOpportunities);
-
- if (FAILED (hr))
- FAIL ("Analyzer failed to get justification opportunities.");
-
- float* justifiedGlyphAdvances = new float[maxGlyphCount];
- DWRITE_GLYPH_OFFSET* justifiedGlyphOffsets = new DWRITE_GLYPH_OFFSET[glyphCount];
- hr = analyzer1->JustifyGlyphAdvances (lineWidth, glyphCount, justificationOpportunities,
- glyphAdvances, glyphOffsets, justifiedGlyphAdvances,
- justifiedGlyphOffsets);
-
- if (FAILED (hr)) FAIL ("Analyzer failed to get justify glyph advances.");
-
- DWRITE_SCRIPT_PROPERTIES scriptProperties;
- hr = analyzer1->GetScriptProperties (runHead->mScript, &scriptProperties);
- if (FAILED (hr)) FAIL ("Analyzer failed to get script properties.");
- uint32_t justificationCharacter = scriptProperties.justificationCharacter;
-
- // if a script justificationCharacter is not space, it can have GetJustifiedGlyphs
- if (justificationCharacter != 32)
- {
- uint16_t* modifiedClusterMap = new uint16_t[textLength];
- retry_getjustifiedglyphs:
- uint16_t* modifiedGlyphIndices = new uint16_t[maxGlyphCount];
- float* modifiedGlyphAdvances = new float[maxGlyphCount];
- DWRITE_GLYPH_OFFSET* modifiedGlyphOffsets = new DWRITE_GLYPH_OFFSET[maxGlyphCount];
- uint32_t actualGlyphsCount;
- hr = analyzer1->GetJustifiedGlyphs (fontFace, fontEmSize, runHead->mScript,
- textLength, glyphCount, maxGlyphCount,
- clusterMap, glyphIndices, glyphAdvances,
- justifiedGlyphAdvances, justifiedGlyphOffsets,
- glyphProperties, &actualGlyphsCount,
- modifiedClusterMap, modifiedGlyphIndices,
- modifiedGlyphAdvances, modifiedGlyphOffsets);
-
- if (hr == HRESULT_FROM_WIN32 (ERROR_INSUFFICIENT_BUFFER))
- {
- maxGlyphCount = actualGlyphsCount;
- delete [] modifiedGlyphIndices;
- delete [] modifiedGlyphAdvances;
- delete [] modifiedGlyphOffsets;
-
- maxGlyphCount = actualGlyphsCount;
-
- goto retry_getjustifiedglyphs;
- }
- if (FAILED (hr))
- FAIL ("Analyzer failed to get justified glyphs.");
-
- delete [] clusterMap;
- delete [] glyphIndices;
- delete [] glyphAdvances;
- delete [] glyphOffsets;
-
- glyphCount = actualGlyphsCount;
- clusterMap = modifiedClusterMap;
- glyphIndices = modifiedGlyphIndices;
- glyphAdvances = modifiedGlyphAdvances;
- glyphOffsets = modifiedGlyphOffsets;
-
- delete [] justifiedGlyphAdvances;
- delete [] justifiedGlyphOffsets;
- }
- else
- {
- delete [] glyphAdvances;
- delete [] glyphOffsets;
-
- glyphAdvances = justifiedGlyphAdvances;
- glyphOffsets = justifiedGlyphOffsets;
- }
-
- delete [] justificationOpportunities;
- }
-
- /* Ok, we've got everything we need, now compose output buffer,
- * very, *very*, carefully! */
-
- /* Calculate visual-clusters. That's what we ship. */
- for (unsigned int i = 0; i < glyphCount; i++)
- vis_clusters[i] = (uint32_t) -1;
- for (unsigned int i = 0; i < buffer->len; i++)
- {
- uint32_t *p =
- &vis_clusters[log_clusters[buffer->info[i].utf16_index ()]];
- *p = hb_min (*p, buffer->info[i].cluster);
- }
- for (unsigned int i = 1; i < glyphCount; i++)
- if (vis_clusters[i] == (uint32_t) -1)
- vis_clusters[i] = vis_clusters[i - 1];
-
-#undef utf16_index
-
- if (unlikely (!buffer->ensure (glyphCount)))
- FAIL ("Buffer in error");
-
-#undef FAIL
-
- /* Set glyph infos */
- buffer->len = 0;
- for (unsigned int i = 0; i < glyphCount; i++)
- {
- hb_glyph_info_t *info = &buffer->info[buffer->len++];
-
- info->codepoint = glyphIndices[i];
- info->cluster = vis_clusters[i];
-
- /* The rest is crap. Let's store position info there for now. */
- info->mask = glyphAdvances[i];
- info->var1.i32 = glyphOffsets[i].advanceOffset;
- info->var2.i32 = glyphOffsets[i].ascenderOffset;
- }
-
- /* Set glyph positions */
- buffer->clear_positions ();
- for (unsigned int i = 0; i < glyphCount; i++)
- {
- hb_glyph_info_t *info = &buffer->info[i];
- hb_glyph_position_t *pos = &buffer->pos[i];
-
- /* TODO vertical */
- pos->x_advance = x_mult * (int32_t) info->mask;
- pos->x_offset = x_mult * (isRightToLeft ? -info->var1.i32 : info->var1.i32);
- pos->y_offset = y_mult * info->var2.i32;
- }
-
- if (isRightToLeft) hb_buffer_reverse (buffer);
-
- delete [] clusterMap;
- delete [] glyphIndices;
- delete [] textProperties;
- delete [] glyphProperties;
- delete [] glyphAdvances;
- delete [] glyphOffsets;
-
- if (num_features)
- delete [] typographic_features.features;
-
- /* Wow, done! */
- return true;
-}
-
-hb_bool_t
-_hb_directwrite_shape (hb_shape_plan_t *shape_plan,
- hb_font_t *font,
- hb_buffer_t *buffer,
- const hb_feature_t *features,
- unsigned int num_features)
-{
- return _hb_directwrite_shape_full (shape_plan, font, buffer,
- features, num_features, 0);
-}
-
-HB_UNUSED static bool
-_hb_directwrite_shape_experimental_width (hb_font_t *font,
- hb_buffer_t *buffer,
- const hb_feature_t *features,
- unsigned int num_features,
- float width)
-{
- static const char *shapers = "directwrite";
- hb_shape_plan_t *shape_plan;
- shape_plan = hb_shape_plan_create_cached (font->face, &buffer->props,
- features, num_features, &shapers);
- hb_bool_t res = _hb_directwrite_shape_full (shape_plan, font, buffer,
- features, num_features, width);
-
- buffer->unsafe_to_break_all ();
-
- return res;
-}
-
-struct _hb_directwrite_font_table_context {
- IDWriteFontFace *face;
- void *table_context;
-};
-
-static void
-_hb_directwrite_table_data_release (void *data)
-{
- _hb_directwrite_font_table_context *context = (_hb_directwrite_font_table_context *) data;
- context->face->ReleaseFontTable (context->table_context);
- delete context;
-}
-
-static hb_blob_t *
-_hb_directwrite_reference_table (hb_face_t *face HB_UNUSED, hb_tag_t tag, void *user_data)
-{
- IDWriteFontFace *dw_face = ((IDWriteFontFace *) user_data);
- const void *data;
- uint32_t length;
- void *table_context;
- BOOL exists;
- if (!dw_face || FAILED (dw_face->TryGetFontTable (hb_uint32_swap (tag), &data,
- &length, &table_context, &exists)))
- return nullptr;
-
- if (!data || !exists || !length)
- {
- dw_face->ReleaseFontTable (table_context);
- return nullptr;
- }
-
- _hb_directwrite_font_table_context *context = new _hb_directwrite_font_table_context;
- context->face = dw_face;
- context->table_context = table_context;
-
- return hb_blob_create ((const char *) data, length, HB_MEMORY_MODE_READONLY,
- context, _hb_directwrite_table_data_release);
-}
-
-static void
-_hb_directwrite_font_release (void *data)
-{
- if (data)
- ((IDWriteFontFace *) data)->Release ();
-}
-
-/**
- * hb_directwrite_face_create:
- * @font_face: a DirectWrite IDWriteFontFace object.
- *
- * Return value: #hb_face_t object corresponding to the given input
- *
- * Since: 2.4.0
- **/
-hb_face_t *
-hb_directwrite_face_create (IDWriteFontFace *font_face)
-{
- if (font_face)
- font_face->AddRef ();
- return hb_face_create_for_tables (_hb_directwrite_reference_table, font_face,
- _hb_directwrite_font_release);
-}
-
-/**
-* hb_directwrite_face_get_font_face:
-* @face: a #hb_face_t object
-*
-* Return value: DirectWrite IDWriteFontFace object corresponding to the given input
-*
-* Since: 2.5.0
-**/
-IDWriteFontFace *
-hb_directwrite_face_get_font_face (hb_face_t *face)
-{
- return face->data.directwrite->fontFace;
-}
-
-
-#endif