bool GlyphPage::fill(UChar* buffer, unsigned bufferLength, const Font* fontData)
{
// bufferLength will be greater than the requested number of glyphs if the buffer contains surrogate pairs.
// We won't support this for now.
if (bufferLength > GlyphPage::size)
return false;
bool haveGlyphs = false;
HWndDC dc(0);
SaveDC(dc);
SelectObject(dc, fontData->platformData().hfont());
WORD localGlyphBuffer[GlyphPage::size * 2];
DWORD result = GetGlyphIndices(dc, buffer, bufferLength, localGlyphBuffer, GGI_MARK_NONEXISTING_GLYPHS);
bool success = result != GDI_ERROR && static_cast<unsigned>(result) == bufferLength;
if (success) {
for (unsigned i = 0; i < GlyphPage::size; i++) {
Glyph glyph = localGlyphBuffer[i];
if (glyph == 0xffff)
setGlyphForIndex(i, 0);
else {
setGlyphForIndex(i, glyph);
haveGlyphs = true;
}
}
}
RestoreDC(dc, -1);
return haveGlyphs;
}
bool GlyphPage::fill(UChar* buffer, unsigned bufferLength)
{
const Font& font = this->font();
cairo_scaled_font_t* scaledFont = font.platformData().scaledFont();
ASSERT(scaledFont);
CairoFtFaceLocker cairoFtFaceLocker(scaledFont);
FT_Face face = cairoFtFaceLocker.ftFace();
if (!face)
return false;
bool haveGlyphs = false;
UTF16UChar32Iterator iterator(buffer, bufferLength);
for (unsigned i = 0; i < GlyphPage::size; i++) {
UChar32 character = iterator.next();
if (character == iterator.end())
break;
Glyph glyph = FcFreeTypeCharIndex(face, character);
if (!glyph)
setGlyphForIndex(i, 0);
else {
setGlyphForIndex(i, glyph);
haveGlyphs = true;
}
}
return haveGlyphs;
}
bool GlyphPage::fill(UChar* buffer, unsigned bufferLength)
{
// bufferLength will be greater than the requested number of glyphs if the buffer contains surrogate pairs.
// We won't support this for now.
if (bufferLength > GlyphPage::size)
return false;
const Font& font = this->font();
bool haveGlyphs = false;
cairo_scaled_font_t* scaledFont = font.platformData().scaledFont();
IDWriteFontFace* dwriteFontFace = (IDWriteFontFace*)cairo_dwrite_font_face_get(scaledFont);
UINT32* localCodePoints = new UINT32[bufferLength];
ZeroMemory(localCodePoints, sizeof(UINT32) * bufferLength);
UINT16* localGlyphBuffer = new UINT16[bufferLength];
ZeroMemory(localGlyphBuffer, sizeof(UINT16) * bufferLength);
for (unsigned int i = 0; i < bufferLength; ++i)
{
localCodePoints[i] = buffer[i];
}
HRESULT hr = dwriteFontFace->GetGlyphIndices(
localCodePoints,
bufferLength,
localGlyphBuffer
);
delete[] localCodePoints;
if (SUCCEEDED(hr))
{
for (unsigned i = 0; i < GlyphPage::size; i++) {
Glyph glyph = localGlyphBuffer[i];
if (glyph == 0xffff)
setGlyphForIndex(i, 0);
else {
setGlyphForIndex(i, glyph);
haveGlyphs = true;
}
}
}
delete[] localGlyphBuffer;
return haveGlyphs;
}
