nsresult
FT2FontEntry::CopyFontTable(uint32_t aTableTag,
FallibleTArray<uint8_t>& aBuffer)
{
AutoFTFace face(this);
if (!face) {
return NS_ERROR_FAILURE;
}
FT_Error status;
FT_ULong len = 0;
status = FT_Load_Sfnt_Table(face, aTableTag, 0, nullptr, &len);
if (status != FT_Err_Ok || len == 0) {
return NS_ERROR_FAILURE;
}
if (!aBuffer.SetLength(len)) {
return NS_ERROR_OUT_OF_MEMORY;
}
uint8_t *buf = aBuffer.Elements();
status = FT_Load_Sfnt_Table(face, aTableTag, 0, buf, &len);
NS_ENSURE_TRUE(status == FT_Err_Ok, NS_ERROR_FAILURE);
return NS_OK;
}
already_AddRefed<DOMRequest>
MobileMessageManager::Delete(const Sequence<OwningLongOrSmsMessageOrMmsMessage>& aParams,
ErrorResult& aRv)
{
const uint32_t size = aParams.Length();
FallibleTArray<int32_t> idArray;
if (!idArray.SetLength(size, fallible)) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
return nullptr;
}
DebugOnly<nsresult> rv;
for (uint32_t i = 0; i < size; i++) {
const OwningLongOrSmsMessageOrMmsMessage& element = aParams[i];
int32_t &id = idArray[i];
if (element.IsLong()) {
id = element.GetAsLong();
} else if (element.IsMmsMessage()) {
id = element.GetAsMmsMessage()->Id();
} else /*if (element.IsSmsMessage())*/ {
id = element.GetAsSmsMessage()->Id();
}
}
return Delete(idArray.Elements(), size, aRv);
}
nsresult
GDIFontEntry::CopyFontTable(uint32_t aTableTag,
FallibleTArray<uint8_t>& aBuffer)
{
if (!IsTrueType()) {
return NS_ERROR_FAILURE;
}
AutoDC dc;
AutoSelectFont font(dc.GetDC(), &mLogFont);
if (font.IsValid()) {
uint32_t tableSize =
::GetFontData(dc.GetDC(),
NativeEndian::swapToBigEndian(aTableTag),
0, nullptr, 0);
if (tableSize != GDI_ERROR) {
if (aBuffer.SetLength(tableSize)) {
::GetFontData(dc.GetDC(),
NativeEndian::swapToBigEndian(aTableTag), 0,
aBuffer.Elements(), tableSize);
return NS_OK;
}
return NS_ERROR_OUT_OF_MEMORY;
}
}
return NS_ERROR_FAILURE;
}
bool
gfxContext::CurrentDash(FallibleTArray<gfxFloat>& dashes, gfxFloat* offset) const
{
int count = cairo_get_dash_count(mCairo);
if (count <= 0 || !dashes.SetLength(count)) {
return false;
}
cairo_get_dash(mCairo, dashes.Elements(), offset);
return true;
}
void
StructuredCloneHelper::MoveBufferDataToArray(FallibleTArray<uint8_t>& aArray,
ErrorResult& aRv)
{
MOZ_ASSERT(mBuffer, "MoveBuffer() cannot be called without a Write().");
if (NS_WARN_IF(!aArray.SetLength(BufferSize(), mozilla::fallible))) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
return;
}
uint64_t* buffer;
size_t size;
mBuffer->steal(&buffer, &size);
mBuffer = nullptr;
memcpy(aArray.Elements(), buffer, size);
js_free(buffer);
}
/* static */ void
ThreadSafeChromeUtils::Base64URLDecode(GlobalObject& aGlobal,
const nsACString& aString,
const Base64URLDecodeOptions& aOptions,
JS::MutableHandle<JSObject*> aRetval,
ErrorResult& aRv)
{
Base64URLDecodePaddingPolicy paddingPolicy;
switch (aOptions.mPadding) {
case Base64URLDecodePadding::Require:
paddingPolicy = Base64URLDecodePaddingPolicy::Require;
break;
case Base64URLDecodePadding::Ignore:
paddingPolicy = Base64URLDecodePaddingPolicy::Ignore;
break;
case Base64URLDecodePadding::Reject:
paddingPolicy = Base64URLDecodePaddingPolicy::Reject;
break;
default:
aRv.Throw(NS_ERROR_INVALID_ARG);
return;
}
FallibleTArray<uint8_t> data;
nsresult rv = mozilla::Base64URLDecode(aString, paddingPolicy, data);
if (NS_WARN_IF(NS_FAILED(rv))) {
aRv.Throw(rv);
return;
}
JS::Rooted<JSObject*> buffer(aGlobal.Context(),
ArrayBuffer::Create(aGlobal.Context(),
data.Length(),
data.Elements()));
if (NS_WARN_IF(!buffer)) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
return;
}
aRetval.set(buffer);
}
// OTS drops the OT Layout tables when decoding a WOFF file, so retrieve them
// separately and cache them (unchecked) in the font entry; harfbuzz will
// sanitize them when it needs to use them.
static void
PreloadTableFromWOFF(const PRUint8* aFontData, PRUint32 aLength,
PRUint32 aTableTag, gfxFontEntry* aFontEntry)
{
PRUint32 status = eWOFF_ok;
PRUint32 len = woffGetTableSize(aFontData, aLength, aTableTag, &status);
if (WOFF_SUCCESS(status) && len > 0) {
FallibleTArray<PRUint8> buffer;
if (!buffer.AppendElements(len)) {
NS_WARNING("failed to cache font table - out of memory?");
return;
}
woffGetTableToBuffer(aFontData, aLength, aTableTag,
buffer.Elements(), buffer.Length(),
&len, &status);
if (WOFF_FAILURE(status)) {
NS_WARNING("failed to cache font table - WOFF decoding error?");
return;
}
aFontEntry->PreloadFontTable(aTableTag, buffer);
}
}
nsresult
FT2FontEntry::GetFontTable(PRUint32 aTableTag,
FallibleTArray<PRUint8>& aBuffer)
{
// Ensure existence of mFTFace
CairoFontFace();
NS_ENSURE_TRUE(mFTFace, NS_ERROR_FAILURE);
FT_Error status;
FT_ULong len = 0;
status = FT_Load_Sfnt_Table(mFTFace, aTableTag, 0, nsnull, &len);
NS_ENSURE_TRUE(status == 0, NS_ERROR_FAILURE);
NS_ENSURE_TRUE(len != 0, NS_ERROR_FAILURE);
if (!aBuffer.SetLength(len)) {
return NS_ERROR_OUT_OF_MEMORY;
}
PRUint8 *buf = aBuffer.Elements();
status = FT_Load_Sfnt_Table(mFTFace, aTableTag, 0, buf, &len);
NS_ENSURE_TRUE(status == 0, NS_ERROR_FAILURE);
return NS_OK;
}
nsresult
GDIFontEntry::GetFontTable(PRUint32 aTableTag,
FallibleTArray<PRUint8>& aBuffer)
{
if (!IsTrueType()) {
return NS_ERROR_FAILURE;
}
AutoDC dc;
AutoSelectFont font(dc.GetDC(), &mLogFont);
if (font.IsValid()) {
PRInt32 tableSize =
::GetFontData(dc.GetDC(), NS_SWAP32(aTableTag), 0, NULL, NULL);
if (tableSize != GDI_ERROR) {
if (aBuffer.SetLength(tableSize)) {
::GetFontData(dc.GetDC(), NS_SWAP32(aTableTag), 0,
aBuffer.Elements(), tableSize);
return NS_OK;
}
return NS_ERROR_OUT_OF_MEMORY;
}
}
return NS_ERROR_FAILURE;
}
PRBool
gfxFT2LockedFace::GetFontTable(PRUint32 aTag, FallibleTArray<PRUint8>& aBuffer)
{
if (!mFace || !FT_IS_SFNT(mFace))
return PR_FALSE;
FT_ULong length = 0;
// TRUETYPE_TAG is defined equivalent to FT_MAKE_TAG
FT_Error error = FT_Load_Sfnt_Table(mFace, aTag, 0, NULL, &length);
if (error != 0)
return PR_FALSE;
if (NS_UNLIKELY(length > static_cast<FallibleTArray<PRUint8>::size_type>(-1))
|| NS_UNLIKELY(!aBuffer.SetLength(length)))
return PR_FALSE;
error = FT_Load_Sfnt_Table(mFace, aTag, 0, aBuffer.Elements(), &length);
if (NS_UNLIKELY(error != 0)) {
aBuffer.Clear();
return PR_FALSE;
}
return PR_TRUE;
}
nsresult
FT2FontEntry::GetFontTable(uint32_t aTableTag,
FallibleTArray<uint8_t>& aBuffer)
{
// Ensure existence of mFTFace
CairoFontFace();
NS_ENSURE_TRUE(mFTFace, NS_ERROR_FAILURE);
FT_Error status;
FT_ULong len = 0;
status = FT_Load_Sfnt_Table(mFTFace, aTableTag, 0, nullptr, &len);
if (status != FT_Err_Ok || len == 0) {
return NS_ERROR_FAILURE;
}
if (!aBuffer.SetLength(len)) {
return NS_ERROR_OUT_OF_MEMORY;
}
uint8_t *buf = aBuffer.Elements();
status = FT_Load_Sfnt_Table(mFTFace, aTableTag, 0, buf, &len);
NS_ENSURE_TRUE(status == FT_Err_Ok, NS_ERROR_FAILURE);
return NS_OK;
}
bool
gfxFT2LockedFace::GetFontTable(uint32_t aTag, FallibleTArray<uint8_t>& aBuffer)
{
if (!mFace || !FT_IS_SFNT(mFace))
return false;
FT_ULong length = 0;
// TRUETYPE_TAG is defined equivalent to FT_MAKE_TAG
FT_Error error = FT_Load_Sfnt_Table(mFace, aTag, 0, NULL, &length);
if (error != 0)
return false;
if (MOZ_UNLIKELY(length > static_cast<FallibleTArray<uint8_t>::size_type>(-1))
|| MOZ_UNLIKELY(!aBuffer.SetLength(length)))
return false;
error = FT_Load_Sfnt_Table(mFace, aTag, 0, aBuffer.Elements(), &length);
if (MOZ_UNLIKELY(error != 0)) {
aBuffer.Clear();
return false;
}
return true;
}
/* static */ void
ThreadSafeChromeUtils::Base64URLDecode(GlobalObject& aGlobal,
const nsACString& aString,
const Base64URLDecodeOptions& aOptions,
JS::MutableHandle<JSObject*> aRetval,
ErrorResult& aRv)
{
FallibleTArray<uint8_t> data;
nsresult rv = mozilla::Base64URLDecode(aString, aOptions, data);
if (NS_WARN_IF(NS_FAILED(rv))) {
aRv.Throw(rv);
return;
}
JS::Rooted<JSObject*> buffer(aGlobal.Context(),
ArrayBuffer::Create(aGlobal.Context(),
data.Length(),
data.Elements()));
if (NS_WARN_IF(!buffer)) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
return;
}
aRetval.set(buffer);
}
gfxFontEntry*
gfxGDIFontList::MakePlatformFont(const gfxProxyFontEntry *aProxyEntry,
const uint8_t *aFontData,
uint32_t aLength)
{
// MakePlatformFont is responsible for deleting the font data with NS_Free
// so we set up a stack object to ensure it is freed even if we take an
// early exit
struct FontDataDeleter {
FontDataDeleter(const uint8_t *aFontData)
: mFontData(aFontData) { }
~FontDataDeleter() { NS_Free((void*)mFontData); }
const uint8_t *mFontData;
};
FontDataDeleter autoDelete(aFontData);
bool hasVertical;
bool isCFF = gfxFontUtils::IsCffFont(aFontData, hasVertical);
nsresult rv;
HANDLE fontRef = nullptr;
bool isEmbedded = false;
nsAutoString uniqueName;
rv = gfxFontUtils::MakeUniqueUserFontName(uniqueName);
if (NS_FAILED(rv))
return nullptr;
// for TTF fonts, first try using the t2embed library if available
if (!isCFF && TTLoadEmbeddedFontPtr && TTDeleteEmbeddedFontPtr) {
// TrueType-style glyphs, use EOT library
AutoFallibleTArray<uint8_t,2048> eotHeader;
uint8_t *buffer;
uint32_t eotlen;
isEmbedded = true;
uint32_t nameLen = NS_MIN<uint32_t>(uniqueName.Length(), LF_FACESIZE - 1);
nsAutoString fontName(Substring(uniqueName, 0, nameLen));
FontDataOverlay overlayNameData = {0, 0, 0};
rv = gfxFontUtils::MakeEOTHeader(aFontData, aLength, &eotHeader,
&overlayNameData);
if (NS_SUCCEEDED(rv)) {
// load in embedded font data
eotlen = eotHeader.Length();
buffer = reinterpret_cast<uint8_t*> (eotHeader.Elements());
int32_t ret;
ULONG privStatus, pulStatus;
EOTFontStreamReader eotReader(aFontData, aLength, buffer, eotlen,
&overlayNameData);
ret = TTLoadEmbeddedFontPtr(&fontRef, TTLOAD_PRIVATE, &privStatus,
LICENSE_PREVIEWPRINT, &pulStatus,
EOTFontStreamReader::ReadEOTStream,
&eotReader,
(PRUnichar*)(fontName.get()), 0, 0);
if (ret != E_NONE) {
fontRef = nullptr;
char buf[256];
sprintf(buf, "font (%s) not loaded using TTLoadEmbeddedFont - error %8.8x",
NS_ConvertUTF16toUTF8(aProxyEntry->Name()).get(), ret);
NS_WARNING(buf);
}
}
}
// load CFF fonts or fonts that failed with t2embed loader
if (fontRef == nullptr) {
// Postscript-style glyphs, swizzle name table, load directly
FallibleTArray<uint8_t> newFontData;
isEmbedded = false;
rv = gfxFontUtils::RenameFont(uniqueName, aFontData, aLength, &newFontData);
if (NS_FAILED(rv))
return nullptr;
DWORD numFonts = 0;
uint8_t *fontData = reinterpret_cast<uint8_t*> (newFontData.Elements());
uint32_t fontLength = newFontData.Length();
NS_ASSERTION(fontData, "null font data after renaming");
// http://msdn.microsoft.com/en-us/library/ms533942(VS.85).aspx
// "A font that is added by AddFontMemResourceEx is always private
// to the process that made the call and is not enumerable."
fontRef = AddFontMemResourceEx(fontData, fontLength,
0 /* reserved */, &numFonts);
if (!fontRef)
return nullptr;
// only load fonts with a single face contained in the data
// AddFontMemResourceEx generates an additional face name for
// vertical text if the font supports vertical writing
if (fontRef && numFonts != 1 + !!hasVertical) {
RemoveFontMemResourceEx(fontRef);
return nullptr;
}
}
// make a new font entry using the unique name
WinUserFontData *winUserFontData = new WinUserFontData(fontRef, isEmbedded);
uint16_t w = (aProxyEntry->mWeight == 0 ? 400 : aProxyEntry->mWeight);
GDIFontEntry *fe = GDIFontEntry::CreateFontEntry(uniqueName,
gfxWindowsFontType(isCFF ? GFX_FONT_TYPE_PS_OPENTYPE : GFX_FONT_TYPE_TRUETYPE) /*type*/,
uint32_t(aProxyEntry->mItalic ? NS_FONT_STYLE_ITALIC : NS_FONT_STYLE_NORMAL),
w, aProxyEntry->mStretch, winUserFontData, false);
if (!fe)
return fe;
fe->mIsUserFont = true;
// Uniscribe doesn't place CFF fonts loaded privately
// via AddFontMemResourceEx on XP/Vista
if (isCFF && gfxWindowsPlatform::WindowsOSVersion()
< gfxWindowsPlatform::kWindows7) {
fe->mForceGDI = true;
}
return fe;
}
gfxFontEntry*
gfxGDIFontList::MakePlatformFont(const gfxProxyFontEntry *aProxyEntry,
const uint8_t *aFontData,
uint32_t aLength)
{
// MakePlatformFont is responsible for deleting the font data with NS_Free
// so we set up a stack object to ensure it is freed even if we take an
// early exit
struct FontDataDeleter {
FontDataDeleter(const uint8_t *aFontData)
: mFontData(aFontData) { }
~FontDataDeleter() { NS_Free((void*)mFontData); }
const uint8_t *mFontData;
};
FontDataDeleter autoDelete(aFontData);
bool isCFF = gfxFontUtils::IsCffFont(aFontData);
nsresult rv;
HANDLE fontRef = nullptr;
nsAutoString uniqueName;
rv = gfxFontUtils::MakeUniqueUserFontName(uniqueName);
if (NS_FAILED(rv))
return nullptr;
FallibleTArray<uint8_t> newFontData;
rv = gfxFontUtils::RenameFont(uniqueName, aFontData, aLength, &newFontData);
if (NS_FAILED(rv))
return nullptr;
DWORD numFonts = 0;
uint8_t *fontData = reinterpret_cast<uint8_t*> (newFontData.Elements());
uint32_t fontLength = newFontData.Length();
NS_ASSERTION(fontData, "null font data after renaming");
// http://msdn.microsoft.com/en-us/library/ms533942(VS.85).aspx
// "A font that is added by AddFontMemResourceEx is always private
// to the process that made the call and is not enumerable."
fontRef = AddFontMemResourceEx(fontData, fontLength,
0 /* reserved */, &numFonts);
if (!fontRef)
return nullptr;
// only load fonts with a single face contained in the data
// AddFontMemResourceEx generates an additional face name for
// vertical text if the font supports vertical writing but since
// the font is referenced via the name this can be ignored
if (fontRef && numFonts > 2) {
RemoveFontMemResourceEx(fontRef);
return nullptr;
}
// make a new font entry using the unique name
WinUserFontData *winUserFontData = new WinUserFontData(fontRef);
uint16_t w = (aProxyEntry->mWeight == 0 ? 400 : aProxyEntry->mWeight);
GDIFontEntry *fe = GDIFontEntry::CreateFontEntry(uniqueName,
gfxWindowsFontType(isCFF ? GFX_FONT_TYPE_PS_OPENTYPE : GFX_FONT_TYPE_TRUETYPE) /*type*/,
uint32_t(aProxyEntry->mItalic ? NS_FONT_STYLE_ITALIC : NS_FONT_STYLE_NORMAL),
w, aProxyEntry->mStretch, winUserFontData, false);
if (!fe)
return fe;
fe->mIsUserFont = true;
// Uniscribe doesn't place CFF fonts loaded privately
// via AddFontMemResourceEx on XP/Vista
if (isCFF && !IsWin7OrLater()) {
fe->mForceGDI = true;
}
return fe;
}
nsresult
gfxDWriteFontEntry::GetFontTable(PRUint32 aTableTag,
FallibleTArray<PRUint8> &aBuffer)
{
gfxDWriteFontList *pFontList = gfxDWriteFontList::PlatformFontList();
// don't use GDI table loading for symbol fonts or for
// italic fonts in Arabic-script system locales because of
// potential cmap discrepancies, see bug 629386
if (mFont && pFontList->UseGDIFontTableAccess() &&
!(mItalic && UsingArabicScriptSystemLocale()) &&
!mFont->IsSymbolFont())
{
LOGFONTW logfont = { 0 };
if (!InitLogFont(mFont, &logfont))
return NS_ERROR_FAILURE;
AutoDC dc;
AutoSelectFont font(dc.GetDC(), &logfont);
if (font.IsValid()) {
PRInt32 tableSize =
::GetFontData(dc.GetDC(), NS_SWAP32(aTableTag), 0, NULL, NULL);
if (tableSize != GDI_ERROR) {
if (aBuffer.SetLength(tableSize)) {
::GetFontData(dc.GetDC(), NS_SWAP32(aTableTag), 0,
aBuffer.Elements(), aBuffer.Length());
return NS_OK;
}
return NS_ERROR_OUT_OF_MEMORY;
}
}
return NS_ERROR_FAILURE;
}
HRESULT hr;
nsresult rv;
nsRefPtr<IDWriteFontFace> fontFace;
rv = CreateFontFace(getter_AddRefs(fontFace));
if (NS_FAILED(rv)) {
return rv;
}
PRUint8 *tableData;
PRUint32 len;
void *tableContext = NULL;
BOOL exists;
hr = fontFace->TryGetFontTable(NS_SWAP32(aTableTag),
(const void**)&tableData,
&len,
&tableContext,
&exists);
if (FAILED(hr) || !exists) {
return NS_ERROR_FAILURE;
}
if (!aBuffer.SetLength(len)) {
return NS_ERROR_OUT_OF_MEMORY;
}
memcpy(aBuffer.Elements(), tableData, len);
if (tableContext) {
fontFace->ReleaseFontTable(&tableContext);
}
return NS_OK;
}
nsresult
gfxDWriteFontEntry::CopyFontTable(uint32_t aTableTag,
FallibleTArray<uint8_t> &aBuffer)
{
gfxDWriteFontList *pFontList = gfxDWriteFontList::PlatformFontList();
// Don't use GDI table loading for symbol fonts or for
// italic fonts in Arabic-script system locales because of
// potential cmap discrepancies, see bug 629386.
// Ditto for Hebrew, bug 837498.
if (mFont && pFontList->UseGDIFontTableAccess() &&
!(mItalic && UsingArabicOrHebrewScriptSystemLocale()) &&
!mFont->IsSymbolFont())
{
LOGFONTW logfont = { 0 };
if (!InitLogFont(mFont, &logfont))
return NS_ERROR_FAILURE;
AutoDC dc;
AutoSelectFont font(dc.GetDC(), &logfont);
if (font.IsValid()) {
uint32_t tableSize =
::GetFontData(dc.GetDC(),
NativeEndian::swapToBigEndian(aTableTag), 0,
NULL, 0);
if (tableSize != GDI_ERROR) {
if (aBuffer.SetLength(tableSize)) {
::GetFontData(dc.GetDC(),
NativeEndian::swapToBigEndian(aTableTag), 0,
aBuffer.Elements(), aBuffer.Length());
return NS_OK;
}
return NS_ERROR_OUT_OF_MEMORY;
}
}
return NS_ERROR_FAILURE;
}
nsRefPtr<IDWriteFontFace> fontFace;
nsresult rv = CreateFontFace(getter_AddRefs(fontFace));
if (NS_FAILED(rv)) {
return rv;
}
uint8_t *tableData;
uint32_t len;
void *tableContext = NULL;
BOOL exists;
HRESULT hr =
fontFace->TryGetFontTable(NativeEndian::swapToBigEndian(aTableTag),
(const void**)&tableData, &len,
&tableContext, &exists);
if (FAILED(hr) || !exists) {
return NS_ERROR_FAILURE;
}
if (aBuffer.SetLength(len)) {
memcpy(aBuffer.Elements(), tableData, len);
rv = NS_OK;
} else {
rv = NS_ERROR_OUT_OF_MEMORY;
}
if (tableContext) {
fontFace->ReleaseFontTable(&tableContext);
}
return rv;
}
