/* * Copyright (C) 2005 Apple Computer, Inc. All rights reserved. * Copyright (C) 2006 Alexey Proskuryakov * * 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 Computer, 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 "Font.h" #include <wtf/MathExtras.h> namespace WebCore { FontData::FontData(const FontPlatformData& f) :m_font(f), m_treatAsFixedPitch(false), m_smallCapsFontData(0) { m_font = f; platformInit(); // Nasty hack to determine if we should round or ceil space widths. // If the font is monospace or fake monospace we ceil to ensure that // every character and the space are the same width. Otherwise we round. m_spaceGlyph = m_characterToGlyphMap.glyphDataForCharacter(' ', this).glyph; float width = widthForGlyph(m_spaceGlyph); m_spaceWidth = width; determinePitch(); m_adjustedSpaceWidth = m_treatAsFixedPitch ? ceilf(width) : roundf(width); } FontData::~FontData() { platformDestroy(); // We only get deleted when the cache gets cleared. Since the smallCapsRenderer is also in that cache, // it will be deleted then, so we don't need to do anything here. } float FontData::widthForGlyph(Glyph glyph) const { float width = m_glyphToWidthMap.widthForGlyph(glyph); if (width != cGlyphWidthUnknown) return width; width = platformWidthForGlyph(glyph); m_glyphToWidthMap.setWidthForGlyph(glyph, width); return width; } }