/* * Copyright (C) 2006, 2007 Apple Inc. All rights reserved. * Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com * Copyright (C) 2007 Alp Toker <alp.toker@collabora.co.uk> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of Apple Inc. ("Apple") nor the names of * its contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "GlyphPage.h" #include "Font.h" #include "UTF16UChar32Iterator.h" #include <cairo-ft.h> #include <cairo.h> #include <fontconfig/fcfreetype.h> namespace WebCore { bool GlyphPage::fill(unsigned offset, unsigned length, UChar* buffer, unsigned bufferLength, const Font* fontData) { cairo_scaled_font_t* scaledFont = fontData->platformData().scaledFont(); ASSERT(scaledFont); FT_Face face = cairo_ft_scaled_font_lock_face(scaledFont); if (!face) return false; bool haveGlyphs = false; UTF16UChar32Iterator iterator(buffer, bufferLength); for (unsigned i = 0; i < length; i++) { UChar32 character = iterator.next(); if (character == iterator.end()) break; Glyph glyph = FcFreeTypeCharIndex(face, character); if (!glyph) setGlyphDataForIndex(offset + i, 0, 0); else { setGlyphDataForIndex(offset + i, glyph, fontData); haveGlyphs = true; } } cairo_ft_scaled_font_unlock_face(scaledFont); return haveGlyphs; } }