static void webkitScriptDialogFree(WebKitScriptDialog* dialog)
{
dialog->~WebKitScriptDialog();
fastFree(dialog);
}
static inline void freeSegment(char* p)
{
fastFree(p);
}
static void releaseImageData(void*, const void* data, size_t)
{
fastFree(const_cast<void*>(data));
}
UMat::~UMat()
{
release();
if( step.p != step.buf )
fastFree(step.p);
}
static v8::Handle<v8::Value> uniformMatrixHelper(const v8::Arguments& args,
int matrixSize)
{
// Forms:
// * glUniformMatrix2fv(GLint location, GLboolean transpose, Array data);
// * glUniformMatrix2fv(GLint location, GLboolean transpose, Float32Array data);
// * glUniformMatrix3fv(GLint location, GLboolean transpose, Array data);
// * glUniformMatrix3fv(GLint location, GLboolean transpose, Float32Array data);
// * glUniformMatrix4fv(GLint location, GLboolean transpose, Array data);
// * glUniformMatrix4fv(GLint location, GLboolean transpose, Float32Array data);
//
// FIXME: need to change to accept Float32Array as well.
if (args.Length() != 3) {
V8Proxy::setDOMException(SYNTAX_ERR);
return notHandledByInterceptor();
}
WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(args.Holder());
if (args.Length() > 0 && !isUndefinedOrNull(args[0]) && !V8WebGLUniformLocation::HasInstance(args[0])) {
V8Proxy::throwTypeError();
return notHandledByInterceptor();
}
bool ok = false;
WebGLUniformLocation* location = toWebGLUniformLocation(args[0], ok);
bool transpose = args[1]->BooleanValue();
if (V8Float32Array::HasInstance(args[2])) {
Float32Array* array = V8Float32Array::toNative(args[2]->ToObject());
ASSERT(array != NULL);
ExceptionCode ec = 0;
switch (matrixSize) {
case 2: context->uniformMatrix2fv(location, transpose, array, ec); break;
case 3: context->uniformMatrix3fv(location, transpose, array, ec); break;
case 4: context->uniformMatrix4fv(location, transpose, array, ec); break;
default: ASSERT_NOT_REACHED(); break;
}
if (ec)
V8Proxy::setDOMException(ec);
return v8::Undefined();
}
if (args[2].IsEmpty() || !args[2]->IsArray()) {
V8Proxy::throwTypeError();
return notHandledByInterceptor();
}
v8::Handle<v8::Array> array =
v8::Local<v8::Array>::Cast(args[2]);
uint32_t len = array->Length();
float* data = jsArrayToFloatArray(array, len);
if (!data) {
// FIXME: consider different / better exception type.
V8Proxy::setDOMException(SYNTAX_ERR);
return notHandledByInterceptor();
}
ExceptionCode ec = 0;
switch (matrixSize) {
case 2: context->uniformMatrix2fv(location, transpose, data, len, ec); break;
case 3: context->uniformMatrix3fv(location, transpose, data, len, ec); break;
case 4: context->uniformMatrix4fv(location, transpose, data, len, ec); break;
default: ASSERT_NOT_REACHED(); break;
}
fastFree(data);
if (ec)
V8Proxy::setDOMException(ec);
return v8::Undefined();
}
void BitVector::OutOfLineBits::destroy(OutOfLineBits* outOfLineBits)
{
fastFree(outOfLineBits);
}
void SimpleFontData::platformInit() {
if (!m_platformData.size()) {
m_fontMetrics.reset();
m_avgCharWidth = 0;
m_maxCharWidth = 0;
return;
}
SkPaint paint;
SkPaint::FontMetrics metrics;
m_platformData.setupPaint(&paint);
paint.getFontMetrics(&metrics);
SkTypeface* face = paint.getTypeface();
ASSERT(face);
int vdmxAscent = 0, vdmxDescent = 0;
bool isVDMXValid = false;
#if OS(LINUX) || OS(ANDROID)
// Manually digging up VDMX metrics is only applicable when bytecode hinting
// using FreeType. With GDI, the metrics will already have taken this into
// account (as needed). With DirectWrite or CoreText, no bytecode hinting is
// ever done. This code should be pushed into FreeType (hinted font metrics).
static const uint32_t vdmxTag = SkSetFourByteTag('V', 'D', 'M', 'X');
int pixelSize = m_platformData.size() + 0.5;
if (!paint.isAutohinted() &&
(paint.getHinting() == SkPaint::kFull_Hinting ||
paint.getHinting() == SkPaint::kNormal_Hinting)) {
size_t vdmxSize = face->getTableSize(vdmxTag);
if (vdmxSize && vdmxSize < maxVDMXTableSize) {
uint8_t* vdmxTable = (uint8_t*)fastMalloc(vdmxSize);
if (vdmxTable &&
face->getTableData(vdmxTag, 0, vdmxSize, vdmxTable) == vdmxSize &&
parseVDMX(&vdmxAscent, &vdmxDescent, vdmxTable, vdmxSize, pixelSize))
isVDMXValid = true;
fastFree(vdmxTable);
}
}
#endif
float ascent;
float descent;
// Beware those who step here: This code is designed to match Win32 font
// metrics *exactly* (except the adjustment of ascent/descent on
// Linux/Android).
if (isVDMXValid) {
ascent = vdmxAscent;
descent = -vdmxDescent;
} else {
ascent = SkScalarRoundToInt(-metrics.fAscent);
descent = SkScalarRoundToInt(metrics.fDescent);
#if OS(LINUX) || OS(ANDROID)
// When subpixel positioning is enabled, if the descent is rounded down, the
// descent part of the glyph may be truncated when displayed in a 'overflow:
// hidden' container. To avoid that, borrow 1 unit from the ascent when
// possible.
// FIXME: This can be removed if sub-pixel ascent/descent is supported.
if (platformData().fontRenderStyle().useSubpixelPositioning &&
descent < SkScalarToFloat(metrics.fDescent) && ascent >= 1) {
++descent;
--ascent;
}
#endif
}
m_fontMetrics.setAscent(ascent);
m_fontMetrics.setDescent(descent);
float xHeight;
if (metrics.fXHeight) {
xHeight = metrics.fXHeight;
m_fontMetrics.setXHeight(xHeight);
} else {
xHeight = ascent * 0.56; // Best guess from Windows font metrics.
m_fontMetrics.setXHeight(xHeight);
m_fontMetrics.setHasXHeight(false);
}
float lineGap = SkScalarToFloat(metrics.fLeading);
m_fontMetrics.setLineGap(lineGap);
m_fontMetrics.setLineSpacing(lroundf(ascent) + lroundf(descent) +
lroundf(lineGap));
SkScalar underlineThickness, underlinePosition;
if (metrics.hasUnderlineThickness(&underlineThickness) &&
metrics.hasUnderlinePosition(&underlinePosition)) {
m_fontMetrics.setUnderlineThickness(SkScalarToFloat(underlineThickness));
m_fontMetrics.setUnderlinePosition(SkScalarToFloat(-underlinePosition));
}
if (platformData().orientation() == Vertical &&
!isTextOrientationFallback()) {
static const uint32_t vheaTag = SkSetFourByteTag('v', 'h', 'e', 'a');
static const uint32_t vorgTag = SkSetFourByteTag('V', 'O', 'R', 'G');
size_t vheaSize = face->getTableSize(vheaTag);
size_t vorgSize = face->getTableSize(vorgTag);
if ((vheaSize > 0) || (vorgSize > 0))
m_hasVerticalGlyphs = true;
}
// In WebKit/WebCore/platform/graphics/SimpleFontData.cpp, m_spaceWidth is
// calculated for us, but we need to calculate m_maxCharWidth and
// m_avgCharWidth in order for text entry widgets to be sized correctly.
// FIXME: This seems incorrect and should probably use fMaxCharWidth as
// the code path above.
SkScalar xRange = metrics.fXMax - metrics.fXMin;
m_maxCharWidth =
SkScalarRoundToInt(xRange * SkScalarRoundToInt(m_platformData.size()));
if (metrics.fAvgCharWidth)
m_avgCharWidth = SkScalarRoundToInt(metrics.fAvgCharWidth);
else {
m_avgCharWidth = xHeight;
GlyphPage* glyphPageZero = GlyphPageTreeNode::getRootChild(this, 0)->page();
if (glyphPageZero) {
static const UChar32 xChar = 'x';
const Glyph xGlyph = glyphPageZero->glyphForCharacter(xChar);
if (xGlyph) {
// In widthForGlyph(), xGlyph will be compared with
// m_zeroWidthSpaceGlyph, which isn't initialized yet here.
// Initialize it with zero to make sure widthForGlyph() returns
// the right width.
m_zeroWidthSpaceGlyph = 0;
m_avgCharWidth = widthForGlyph(xGlyph);
}
}
}
if (int unitsPerEm = face->getUnitsPerEm())
m_fontMetrics.setUnitsPerEm(unitsPerEm);
}
static inline void deleteUCharVector(const UChar* p)
{
fastFree(const_cast<UChar*>(p));
}
void StringImpl::operator delete(void* address)
{
fastFree(address);
}
ImageBuffer::~ImageBuffer()
{
fastFree(m_data);
}
void WeakBlock::destroy(Heap& heap, WeakBlock* block)
{
block->~WeakBlock();
fastFree(block);
heap.didFreeBlock(WeakBlock::blockSize);
}
String TextCodecGtk::decode(const char* bytes, size_t length, bool flush, bool stopOnError, bool& sawError)
{
// Get a converter for the passed-in encoding.
if (m_iconvDecoder == reinterpret_cast<GIConv>(-1)) {
createIConvDecoder();
ASSERT(m_iconvDecoder != reinterpret_cast<GIConv>(-1));
if (m_iconvDecoder == reinterpret_cast<GIConv>(-1)) {
LOG_ERROR("Error creating IConv encoder even though encoding was in table.");
return String();
}
}
size_t countWritten, countRead, conversionLength;
const char* conversionBytes;
char* prefixedBytes = 0;
if (m_numBufferedBytes) {
conversionLength = length + m_numBufferedBytes;
prefixedBytes = static_cast<char*>(fastMalloc(conversionLength));
memcpy(prefixedBytes, m_bufferedBytes, m_numBufferedBytes);
memcpy(prefixedBytes + m_numBufferedBytes, bytes, length);
conversionBytes = prefixedBytes;
// all buffered bytes are consumed now
m_numBufferedBytes = 0;
} else {
// no previously buffered partial data,
// just convert the data that was passed in
conversionBytes = bytes;
conversionLength = length;
}
GOwnPtr<GError> err;
GOwnPtr<UChar> buffer;
buffer.outPtr() = reinterpret_cast<UChar*>(g_convert_with_iconv(conversionBytes, conversionLength, m_iconvDecoder, &countRead, &countWritten, &err.outPtr()));
if (err) {
LOG_ERROR("GIConv conversion error, Code %d: \"%s\"", err->code, err->message);
m_numBufferedBytes = 0; // reset state for subsequent calls to decode
fastFree(prefixedBytes);
sawError = true;
return String();
}
// Partial input at the end of the string may not result in an error being raised.
// From the gnome library documentation on g_convert_with_iconv:
// "Even if the conversion was successful, this may be less than len if there were partial characters at the end of the input."
// That's why we need to compare conversionLength against countRead
m_numBufferedBytes = conversionLength - countRead;
if (m_numBufferedBytes > 0) {
if (flush) {
LOG_ERROR("Partial bytes at end of input while flush requested.");
m_numBufferedBytes = 0; // reset state for subsequent calls to decode
fastFree(prefixedBytes);
sawError = true;
return String();
}
memcpy(m_bufferedBytes, conversionBytes + countRead, m_numBufferedBytes);
}
fastFree(prefixedBytes);
Vector<UChar> result;
result.append(buffer.get(), countWritten / sizeof(UChar));
return String::adopt(result);
}
PassOwnPtr<GenericCompressedData> GenericCompressedData::create(const uint8_t* data, size_t dataLength)
{
enum { MinimumSize = sizeof(GenericCompressedData) * 8 };
if (!data || dataLength < MinimumSize)
return nullptr;
z_stream stream;
memset(&stream, 0, sizeof(stream));
stream.zalloc = zAlloc;
stream.zfree = zFree;
stream.data_type = Z_BINARY;
stream.opaque = Z_NULL;
stream.avail_in = dataLength;
stream.next_in = const_cast<uint8_t*>(data);
size_t currentOffset = OBJECT_OFFSETOF(GenericCompressedData, m_data);
size_t currentCapacity = fastMallocGoodSize(MinimumSize);
Bytef* compressedData = static_cast<Bytef*>(fastMalloc(currentCapacity));
memset(compressedData, 0, sizeof(GenericCompressedData));
stream.next_out = compressedData + currentOffset;
stream.avail_out = currentCapacity - currentOffset;
deflateInit(&stream, Z_BEST_COMPRESSION);
while (true) {
int deflateResult = deflate(&stream, Z_FINISH);
if (deflateResult == Z_OK || !stream.avail_out) {
size_t newCapacity = 0;
currentCapacity -= stream.avail_out;
if (!stream.avail_in)
newCapacity = currentCapacity + 8;
else {
// Determine average capacity
size_t compressedContent = stream.next_in - data;
double expectedSize = static_cast<double>(dataLength) * compressedContent / currentCapacity;
// Expand capacity by at least 8 bytes so we're always growing, and to
// compensate for any exaggerated ideas of how effectively we'll compress
// data in the future.
newCapacity = std::max(static_cast<size_t>(expectedSize + 8), currentCapacity + 8);
}
newCapacity = fastMallocGoodSize(newCapacity);
if (newCapacity >= dataLength)
goto fail;
compressedData = static_cast<Bytef*>(fastRealloc(compressedData, newCapacity));
currentOffset = currentCapacity - stream.avail_out;
stream.next_out = compressedData + currentOffset;
stream.avail_out = newCapacity - currentCapacity;
currentCapacity = newCapacity;
continue;
}
if (deflateResult == Z_STREAM_END) {
ASSERT(!stream.avail_in);
break;
}
ASSERT_NOT_REACHED();
fail:
deflateEnd(&stream);
fastFree(compressedData);
return nullptr;
}
deflateEnd(&stream);
static int64_t totalCompressed = 0;
static int64_t totalInput = 0;
totalCompressed += currentCapacity;
totalInput += dataLength;
GenericCompressedData* result = new (compressedData) GenericCompressedData(dataLength, stream.total_out);
return adoptPtr(result);
}
static void zFree(void*, void* data)
{
fastFree(data);
}
void operator delete[](void* p)
{
fastMallocMatchValidateFree(p, WTF::Internal::AllocTypeClassNewArray);
fastFree(p); // We don't need to check for a null pointer; the compiler does this.
}
JSGlobalData::~JSGlobalData()
{
// By the time this is destroyed, heap.destroy() must already have been called.
delete interpreter;
#ifndef NDEBUG
// Zeroing out to make the behavior more predictable when someone attempts to use a deleted instance.
interpreter = 0;
#endif
arrayPrototypeTable->deleteTable();
arrayConstructorTable->deleteTable();
booleanPrototypeTable->deleteTable();
dateTable->deleteTable();
dateConstructorTable->deleteTable();
errorPrototypeTable->deleteTable();
globalObjectTable->deleteTable();
jsonTable->deleteTable();
mathTable->deleteTable();
numberConstructorTable->deleteTable();
numberPrototypeTable->deleteTable();
objectConstructorTable->deleteTable();
objectPrototypeTable->deleteTable();
regExpTable->deleteTable();
regExpConstructorTable->deleteTable();
regExpPrototypeTable->deleteTable();
stringTable->deleteTable();
stringConstructorTable->deleteTable();
fastDelete(const_cast<HashTable*>(arrayConstructorTable));
fastDelete(const_cast<HashTable*>(arrayPrototypeTable));
fastDelete(const_cast<HashTable*>(booleanPrototypeTable));
fastDelete(const_cast<HashTable*>(dateTable));
fastDelete(const_cast<HashTable*>(dateConstructorTable));
fastDelete(const_cast<HashTable*>(errorPrototypeTable));
fastDelete(const_cast<HashTable*>(globalObjectTable));
fastDelete(const_cast<HashTable*>(jsonTable));
fastDelete(const_cast<HashTable*>(mathTable));
fastDelete(const_cast<HashTable*>(numberConstructorTable));
fastDelete(const_cast<HashTable*>(numberPrototypeTable));
fastDelete(const_cast<HashTable*>(objectConstructorTable));
fastDelete(const_cast<HashTable*>(objectPrototypeTable));
fastDelete(const_cast<HashTable*>(regExpTable));
fastDelete(const_cast<HashTable*>(regExpConstructorTable));
fastDelete(const_cast<HashTable*>(regExpPrototypeTable));
fastDelete(const_cast<HashTable*>(stringTable));
fastDelete(const_cast<HashTable*>(stringConstructorTable));
opaqueJSClassData.clear();
delete emptyList;
delete propertyNames;
if (globalDataType != Default)
deleteIdentifierTable(identifierTable);
delete clientData;
delete m_regExpCache;
#if ENABLE(REGEXP_TRACING)
delete m_rtTraceList;
#endif
#if ENABLE(DFG_JIT)
for (unsigned i = 0; i < scratchBuffers.size(); ++i)
fastFree(scratchBuffers[i]);
#endif
}
~TextRunWalker()
{
fastFree(m_item.font);
deleteGlyphArrays();
delete[] m_item.log_clusters;
}
ShareableBitmap::~ShareableBitmap()
{
if (!isBackedBySharedMemory())
fastFree(m_data);
}
ShadowChicken::~ShadowChicken()
{
fastFree(m_log);
}
static void gst_allocator_fast_malloc_free(GstAllocator*, GstMemory* mem)
{
ASSERT(G_TYPE_CHECK_INSTANCE_TYPE(allocator, gst_allocator_fast_malloc_get_type()));
fastFree(mem);
}
void deallocate(pointer p, size_type) { fastFree(p); }
void MarkStack::releaseStack(void* addr, size_t size)
{
return fastFree(addr);
}
static v8::Handle<v8::Value> uniformHelperi(const v8::Arguments& args,
FunctionToCall functionToCall) {
// Forms:
// * glUniform1iv(GLUniformLocation location, Array data);
// * glUniform1iv(GLUniformLocation location, Int32Array data);
// * glUniform2iv(GLUniformLocation location, Array data);
// * glUniform2iv(GLUniformLocation location, Int32Array data);
// * glUniform3iv(GLUniformLocation location, Array data);
// * glUniform3iv(GLUniformLocation location, Int32Array data);
// * glUniform4iv(GLUniformLocation location, Array data);
// * glUniform4iv(GLUniformLocation location, Int32Array data);
if (args.Length() != 2) {
V8Proxy::setDOMException(SYNTAX_ERR);
return notHandledByInterceptor();
}
WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(args.Holder());
if (args.Length() > 0 && !isUndefinedOrNull(args[0]) && !V8WebGLUniformLocation::HasInstance(args[0])) {
V8Proxy::throwTypeError();
return notHandledByInterceptor();
}
bool ok = false;
WebGLUniformLocation* location = toWebGLUniformLocation(args[0], ok);
if (V8Int32Array::HasInstance(args[1])) {
Int32Array* array = V8Int32Array::toNative(args[1]->ToObject());
ASSERT(array != NULL);
ExceptionCode ec = 0;
switch (functionToCall) {
case kUniform1v: context->uniform1iv(location, array, ec); break;
case kUniform2v: context->uniform2iv(location, array, ec); break;
case kUniform3v: context->uniform3iv(location, array, ec); break;
case kUniform4v: context->uniform4iv(location, array, ec); break;
default: ASSERT_NOT_REACHED(); break;
}
if (ec)
V8Proxy::setDOMException(ec);
return v8::Undefined();
}
if (args[1].IsEmpty() || !args[1]->IsArray()) {
V8Proxy::throwTypeError();
return notHandledByInterceptor();
}
v8::Handle<v8::Array> array =
v8::Local<v8::Array>::Cast(args[1]);
uint32_t len = array->Length();
int* data = jsArrayToIntArray(array, len);
if (!data) {
// FIXME: consider different / better exception type.
V8Proxy::setDOMException(SYNTAX_ERR);
return notHandledByInterceptor();
}
ExceptionCode ec = 0;
switch (functionToCall) {
case kUniform1v: context->uniform1iv(location, data, len, ec); break;
case kUniform2v: context->uniform2iv(location, data, len, ec); break;
case kUniform3v: context->uniform3iv(location, data, len, ec); break;
case kUniform4v: context->uniform4iv(location, data, len, ec); break;
default: ASSERT_NOT_REACHED(); break;
}
fastFree(data);
if (ec)
V8Proxy::setDOMException(ec);
return v8::Undefined();
}
JSGlobalData::~JSGlobalData()
{
ASSERT(!m_apiLock.currentThreadIsHoldingLock());
heap.activityCallback()->didStartVMShutdown();
heap.sweeper()->didStartVMShutdown();
heap.lastChanceToFinalize();
delete interpreter;
#ifndef NDEBUG
interpreter = reinterpret_cast<Interpreter*>(0xbbadbeef);
#endif
arrayPrototypeTable->deleteTable();
arrayConstructorTable->deleteTable();
booleanPrototypeTable->deleteTable();
dateTable->deleteTable();
dateConstructorTable->deleteTable();
errorPrototypeTable->deleteTable();
globalObjectTable->deleteTable();
jsonTable->deleteTable();
mathTable->deleteTable();
numberConstructorTable->deleteTable();
numberPrototypeTable->deleteTable();
objectConstructorTable->deleteTable();
objectPrototypeTable->deleteTable();
privateNamePrototypeTable->deleteTable();
regExpTable->deleteTable();
regExpConstructorTable->deleteTable();
regExpPrototypeTable->deleteTable();
stringTable->deleteTable();
stringConstructorTable->deleteTable();
fastDelete(const_cast<HashTable*>(arrayConstructorTable));
fastDelete(const_cast<HashTable*>(arrayPrototypeTable));
fastDelete(const_cast<HashTable*>(booleanPrototypeTable));
fastDelete(const_cast<HashTable*>(dateTable));
fastDelete(const_cast<HashTable*>(dateConstructorTable));
fastDelete(const_cast<HashTable*>(errorPrototypeTable));
fastDelete(const_cast<HashTable*>(globalObjectTable));
fastDelete(const_cast<HashTable*>(jsonTable));
fastDelete(const_cast<HashTable*>(mathTable));
fastDelete(const_cast<HashTable*>(numberConstructorTable));
fastDelete(const_cast<HashTable*>(numberPrototypeTable));
fastDelete(const_cast<HashTable*>(objectConstructorTable));
fastDelete(const_cast<HashTable*>(objectPrototypeTable));
fastDelete(const_cast<HashTable*>(privateNamePrototypeTable));
fastDelete(const_cast<HashTable*>(regExpTable));
fastDelete(const_cast<HashTable*>(regExpConstructorTable));
fastDelete(const_cast<HashTable*>(regExpPrototypeTable));
fastDelete(const_cast<HashTable*>(stringTable));
fastDelete(const_cast<HashTable*>(stringConstructorTable));
opaqueJSClassData.clear();
delete emptyList;
delete propertyNames;
if (globalDataType != Default)
deleteIdentifierTable(identifierTable);
delete clientData;
delete m_regExpCache;
#if ENABLE(REGEXP_TRACING)
delete m_rtTraceList;
#endif
#if ENABLE(DFG_JIT)
for (unsigned i = 0; i < scratchBuffers.size(); ++i)
fastFree(scratchBuffers[i]);
#endif
}
void SimpleFontData::platformInit()
{
if (!m_platformData.size()) {
m_fontMetrics.reset();
m_avgCharWidth = 0;
m_maxCharWidth = 0;
return;
}
SkPaint paint;
SkPaint::FontMetrics metrics;
m_platformData.setupPaint(&paint);
paint.getFontMetrics(&metrics);
const SkFontID fontID = m_platformData.uniqueID();
static const uint32_t vdmxTag = SkSetFourByteTag('V', 'D', 'M', 'X');
int pixelSize = m_platformData.size() + 0.5;
int vdmxAscent, vdmxDescent;
bool isVDMXValid = false;
size_t vdmxSize = SkFontHost::GetTableSize(fontID, vdmxTag);
if (vdmxSize && vdmxSize < maxVDMXTableSize) {
uint8_t* vdmxTable = (uint8_t*) fastMalloc(vdmxSize);
if (vdmxTable
&& SkFontHost::GetTableData(fontID, vdmxTag, 0, vdmxSize, vdmxTable) == vdmxSize
&& parseVDMX(&vdmxAscent, &vdmxDescent, vdmxTable, vdmxSize, pixelSize))
isVDMXValid = true;
fastFree(vdmxTable);
}
float ascent;
float descent;
// Beware those who step here: This code is designed to match Win32 font
// metrics *exactly*.
if (isVDMXValid) {
ascent = vdmxAscent;
descent = -vdmxDescent;
} else {
SkScalar height = -metrics.fAscent + metrics.fDescent + metrics.fLeading;
ascent = SkScalarRound(-metrics.fAscent);
descent = SkScalarRound(height) - ascent;
}
m_fontMetrics.setAscent(ascent);
m_fontMetrics.setDescent(descent);
float xHeight;
if (metrics.fXHeight)
xHeight = metrics.fXHeight;
else {
// hack taken from the Windows port
xHeight = ascent * 0.56f;
}
float lineGap = SkScalarToFloat(metrics.fLeading);
m_fontMetrics.setLineGap(lineGap);
m_fontMetrics.setXHeight(xHeight);
m_fontMetrics.setLineSpacing(lroundf(ascent) + lroundf(descent) + lroundf(lineGap));
if (platformData().orientation() == Vertical && !isTextOrientationFallback()) {
static const uint32_t vheaTag = SkSetFourByteTag('v', 'h', 'e', 'a');
static const uint32_t vorgTag = SkSetFourByteTag('V', 'O', 'R', 'G');
size_t vheaSize = SkFontHost::GetTableSize(fontID, vheaTag);
size_t vorgSize = SkFontHost::GetTableSize(fontID, vorgTag);
if ((vheaSize > 0) || (vorgSize > 0))
m_hasVerticalGlyphs = true;
}
// In WebKit/WebCore/platform/graphics/SimpleFontData.cpp, m_spaceWidth is
// calculated for us, but we need to calculate m_maxCharWidth and
// m_avgCharWidth in order for text entry widgets to be sized correctly.
SkScalar xRange = metrics.fXMax - metrics.fXMin;
m_maxCharWidth = SkScalarRound(xRange * SkScalarRound(m_platformData.size()));
if (metrics.fAvgCharWidth)
m_avgCharWidth = SkScalarRound(metrics.fAvgCharWidth);
else {
m_avgCharWidth = xHeight;
GlyphPage* glyphPageZero = GlyphPageTreeNode::getRootChild(this, 0)->page();
if (glyphPageZero) {
static const UChar32 x_char = 'x';
const Glyph xGlyph = glyphPageZero->glyphDataForCharacter(x_char).glyph;
if (xGlyph)
m_avgCharWidth = widthForGlyph(xGlyph);
}
}
}
DataSection::~DataSection()
{
fastFree(m_data);
}
String WebCore::signedPublicKeyAndChallengeString(unsigned index, const String& challenge, const KURL& url)
{
String keyString;
HCRYPTPROV hContext = 0;
HCRYPTKEY hKey = 0;
PCERT_PUBLIC_KEY_INFO pPubInfo = 0;
// Try to delete it if it exists already
CryptAcquireContext(&hContext, _T("keygen_container"), MS_ENHANCED_PROV, PROV_RSA_FULL, CRYPT_DELETEKEYSET);
do {
if (!CryptAcquireContext(&hContext, _T("keygen_container"), MS_ENHANCED_PROV, PROV_RSA_FULL, CRYPT_NEWKEYSET))
break;
DWORD dwPubInfoLength = 0;
if (!CryptGenKey(hContext, AT_KEYEXCHANGE, 0, &hKey) || !CryptExportPublicKeyInfo(hContext, AT_KEYEXCHANGE, X509_ASN_ENCODING, 0, &dwPubInfoLength))
break;
// Use malloc instead of new, because malloc guarantees to return a pointer aligned for all data types.
pPubInfo = reinterpret_cast<PCERT_PUBLIC_KEY_INFO>(fastMalloc(dwPubInfoLength));
if (!CryptExportPublicKeyInfo(hContext, AT_KEYEXCHANGE, X509_ASN_ENCODING, pPubInfo, &dwPubInfoLength))
break;
CERT_KEYGEN_REQUEST_INFO requestInfo = { 0 };
requestInfo.dwVersion = CERT_KEYGEN_REQUEST_V1;
requestInfo.pwszChallengeString = L"";
requestInfo.SubjectPublicKeyInfo = *pPubInfo;
String localChallenge = challenge;
// Windows API won't write to our buffer, although it's not declared with const.
requestInfo.pwszChallengeString = const_cast<wchar_t*>(localChallenge.charactersWithNullTermination());
CRYPT_ALGORITHM_IDENTIFIER signAlgo = { 0 };
signAlgo.pszObjId = szOID_RSA_SHA1RSA;
DWORD dwEncodedLength;
if (!CryptSignAndEncodeCertificate(hContext, AT_KEYEXCHANGE, X509_ASN_ENCODING, X509_KEYGEN_REQUEST_TO_BE_SIGNED, &requestInfo, &signAlgo, 0, 0, &dwEncodedLength))
break;
Vector<char> binary(dwEncodedLength);
if (!CryptSignAndEncodeCertificate(hContext, AT_KEYEXCHANGE, X509_ASN_ENCODING, X509_KEYGEN_REQUEST_TO_BE_SIGNED, &requestInfo, &signAlgo, 0, reinterpret_cast<LPBYTE>(binary.data()), &dwEncodedLength))
break;
Vector<char> base64;
base64Encode(binary, base64);
keyString = String(base64.data(), base64.size());
} while(0);
if (pPubInfo)
fastFree(pPubInfo);
if (hKey)
CryptDestroyKey(hKey);
if (hContext)
CryptReleaseContext(hContext, 0);
return keyString;
}
WebSocketChannel::~WebSocketChannel()
{
fastFree(m_buffer);
}
ResourceHandleInternal::~ResourceHandleInternal()
{
fastFree(m_url);
if (m_customHeaders)
curl_slist_free_all(m_customHeaders);
}
VM::~VM()
{
// Clear this first to ensure that nobody tries to remove themselves from it.
m_perBytecodeProfiler.clear();
ASSERT(m_apiLock->currentThreadIsHoldingLock());
m_apiLock->willDestroyVM(this);
heap.lastChanceToFinalize();
delete interpreter;
#ifndef NDEBUG
interpreter = reinterpret_cast<Interpreter*>(0xbbadbeef);
#endif
arrayPrototypeTable->deleteTable();
arrayConstructorTable->deleteTable();
booleanPrototypeTable->deleteTable();
dateTable->deleteTable();
dateConstructorTable->deleteTable();
errorPrototypeTable->deleteTable();
globalObjectTable->deleteTable();
jsonTable->deleteTable();
mathTable->deleteTable();
numberConstructorTable->deleteTable();
numberPrototypeTable->deleteTable();
objectConstructorTable->deleteTable();
privateNamePrototypeTable->deleteTable();
regExpTable->deleteTable();
regExpConstructorTable->deleteTable();
regExpPrototypeTable->deleteTable();
stringConstructorTable->deleteTable();
fastDelete(const_cast<HashTable*>(arrayConstructorTable));
fastDelete(const_cast<HashTable*>(arrayPrototypeTable));
fastDelete(const_cast<HashTable*>(booleanPrototypeTable));
fastDelete(const_cast<HashTable*>(dateTable));
fastDelete(const_cast<HashTable*>(dateConstructorTable));
fastDelete(const_cast<HashTable*>(errorPrototypeTable));
fastDelete(const_cast<HashTable*>(globalObjectTable));
fastDelete(const_cast<HashTable*>(jsonTable));
fastDelete(const_cast<HashTable*>(mathTable));
fastDelete(const_cast<HashTable*>(numberConstructorTable));
fastDelete(const_cast<HashTable*>(numberPrototypeTable));
fastDelete(const_cast<HashTable*>(objectConstructorTable));
fastDelete(const_cast<HashTable*>(privateNamePrototypeTable));
fastDelete(const_cast<HashTable*>(regExpTable));
fastDelete(const_cast<HashTable*>(regExpConstructorTable));
fastDelete(const_cast<HashTable*>(regExpPrototypeTable));
fastDelete(const_cast<HashTable*>(stringConstructorTable));
delete emptyList;
delete propertyNames;
if (vmType != Default)
deleteIdentifierTable(identifierTable);
delete clientData;
delete m_regExpCache;
#if ENABLE(REGEXP_TRACING)
delete m_rtTraceList;
#endif
#if ENABLE(DFG_JIT)
for (unsigned i = 0; i < scratchBuffers.size(); ++i)
fastFree(scratchBuffers[i]);
#endif
}
