18e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project/* 28e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Copyright (C) 2006, 2007 Apple Inc. All rights reserved. 38e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com 48e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Copyright (C) 2007 Alp Toker <alp.toker@collabora.co.uk> 58e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 68e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Redistribution and use in source and binary forms, with or without 78e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * modification, are permitted provided that the following conditions 88e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * are met: 98e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 108e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 118e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * notice, this list of conditions and the following disclaimer. 128e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 138e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * notice, this list of conditions and the following disclaimer in the 148e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * documentation and/or other materials provided with the distribution. 158e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 168e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * its contributors may be used to endorse or promote products derived 178e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * from this software without specific prior written permission. 188e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 238e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 248e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 258e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 268e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 278e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 288e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 298e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project */ 308e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 318e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "config.h" 328e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "GlyphPageTreeNode.h" 338e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 348e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "SimpleFontData.h" 35bec39347bb3bb5bf1187ccaf471d26247f28b585Kristian Monsen#include <cairo-ft.h> 36bec39347bb3bb5bf1187ccaf471d26247f28b585Kristian Monsen#include <cairo.h> 37bec39347bb3bb5bf1187ccaf471d26247f28b585Kristian Monsen#include <fontconfig/fcfreetype.h> 388e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 398e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectnamespace WebCore { 408e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 418e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectbool GlyphPage::fill(unsigned offset, unsigned length, UChar* buffer, unsigned bufferLength, const SimpleFontData* fontData) 428e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 438e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // The bufferLength will be greater than the glyph page size if the buffer has Unicode supplementary characters. 448e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // We won't support this for now. 458e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (bufferLength > GlyphPage::size) 468e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return false; 478e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 4828040489d744e0c5d475a88663056c9040ed5320Teng-Hui Zhu FT_Face face = cairo_ft_scaled_font_lock_face(fontData->platformData().scaledFont()); 498e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (!face) 508e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return false; 518e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 528e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project bool haveGlyphs = false; 538e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project for (unsigned i = 0; i < length; i++) { 548e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project Glyph glyph = FcFreeTypeCharIndex(face, buffer[i]); 558e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (!glyph) 568e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project setGlyphDataForIndex(offset + i, 0, 0); 578e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project else { 588e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project setGlyphDataForIndex(offset + i, glyph, fontData); 598e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project haveGlyphs = true; 608e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 618e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 628e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 6328040489d744e0c5d475a88663056c9040ed5320Teng-Hui Zhu cairo_ft_scaled_font_unlock_face(fontData->platformData().scaledFont()); 648e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 658e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return haveGlyphs; 668e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 678e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 688e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 69