/* | |
* Copyright (C) 2000 Lars Knoll (knoll@kde.org) | |
* (C) 2000 Antti Koivisto (koivisto@kde.org) | |
* (C) 2000 Dirk Mueller (mueller@kde.org) | |
* Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. | |
* Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com> | |
* | |
* This library is free software; you can redistribute it and/or | |
* modify it under the terms of the GNU Library General Public | |
* License as published by the Free Software Foundation; either | |
* version 2 of the License, or (at your option) any later version. | |
* | |
* This library is distributed in the hope that it will be useful, | |
* but WITHOUT ANY WARRANTY; without even the implied warranty of | |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
* Library General Public License for more details. | |
* | |
* You should have received a copy of the GNU Library General Public License | |
* along with this library; see the file COPYING.LIother.m_ If not, write to | |
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
* Boston, MA 02110-1301, USm_ | |
* | |
*/ | |
#ifndef FontDescription_h | |
#define FontDescription_h | |
#include "FontFamily.h" | |
#include "FontRenderingMode.h" | |
#include "FontSmoothingMode.h" | |
#include "FontTraitsMask.h" | |
#include "TextRenderingMode.h" | |
namespace WebCore { | |
enum FontWeight { | |
FontWeight100, | |
FontWeight200, | |
FontWeight300, | |
FontWeight400, | |
FontWeight500, | |
FontWeight600, | |
FontWeight700, | |
FontWeight800, | |
FontWeight900, | |
FontWeightNormal = FontWeight400, | |
FontWeightBold = FontWeight700 | |
}; | |
class FontDescription { | |
public: | |
enum GenericFamilyType { NoFamily, StandardFamily, SerifFamily, SansSerifFamily, | |
MonospaceFamily, CursiveFamily, FantasyFamily }; | |
FontDescription() | |
: m_specifiedSize(0) | |
, m_computedSize(0) | |
, m_italic(false) | |
, m_smallCaps(false) | |
, m_isAbsoluteSize(false) | |
, m_weight(FontWeightNormal) | |
, m_genericFamily(NoFamily) | |
, m_usePrinterFont(false) | |
, m_renderingMode(NormalRenderingMode) | |
, m_keywordSize(0) | |
, m_fontSmoothing(AutoSmoothing) | |
, m_textRendering(AutoTextRendering) | |
{ | |
} | |
bool operator==(const FontDescription&) const; | |
bool operator!=(const FontDescription& other) const { return !(*this == other); } | |
const FontFamily& family() const { return m_familyList; } | |
FontFamily& firstFamily() { return m_familyList; } | |
float specifiedSize() const { return m_specifiedSize; } | |
float computedSize() const { return m_computedSize; } | |
bool italic() const { return m_italic; } | |
int computedPixelSize() const { return int(m_computedSize + 0.5f); } | |
bool smallCaps() const { return m_smallCaps; } | |
bool isAbsoluteSize() const { return m_isAbsoluteSize; } | |
FontWeight weight() const { return static_cast<FontWeight>(m_weight); } | |
FontWeight lighterWeight() const; | |
FontWeight bolderWeight() const; | |
GenericFamilyType genericFamily() const { return static_cast<GenericFamilyType>(m_genericFamily); } | |
bool usePrinterFont() const { return m_usePrinterFont; } | |
// only use fixed default size when there is only one font family, and that family is "monospace" | |
bool useFixedDefaultSize() const { return genericFamily() == MonospaceFamily && !family().next() && family().family() == "-webkit-monospace"; } | |
FontRenderingMode renderingMode() const { return static_cast<FontRenderingMode>(m_renderingMode); } | |
unsigned keywordSize() const { return m_keywordSize; } | |
FontSmoothingMode fontSmoothing() const { return static_cast<FontSmoothingMode>(m_fontSmoothing); } | |
TextRenderingMode textRenderingMode() const { return static_cast<TextRenderingMode>(m_textRendering); } | |
FontTraitsMask traitsMask() const; | |
void setFamily(const FontFamily& family) { m_familyList = family; } | |
void setComputedSize(float s) { m_computedSize = s; } | |
void setSpecifiedSize(float s) { m_specifiedSize = s; } | |
void setItalic(bool i) { m_italic = i; } | |
void setSmallCaps(bool c) { m_smallCaps = c; } | |
void setIsAbsoluteSize(bool s) { m_isAbsoluteSize = s; } | |
void setWeight(FontWeight w) { m_weight = w; } | |
void setGenericFamily(GenericFamilyType genericFamily) { m_genericFamily = genericFamily; } | |
void setUsePrinterFont(bool p) { m_usePrinterFont = p; } | |
void setRenderingMode(FontRenderingMode mode) { m_renderingMode = mode; } | |
void setKeywordSize(unsigned s) { m_keywordSize = s; } | |
void setFontSmoothing(FontSmoothingMode smoothing) { m_fontSmoothing = smoothing; } | |
void setTextRenderingMode(TextRenderingMode rendering) { m_textRendering = rendering; } | |
private: | |
FontFamily m_familyList; // The list of font families to be used. | |
float m_specifiedSize; // Specified CSS value. Independent of rendering issues such as integer | |
// rounding, minimum font sizes, and zooming. | |
float m_computedSize; // Computed size adjusted for the minimum font size and the zoom factor. | |
bool m_italic : 1; | |
bool m_smallCaps : 1; | |
bool m_isAbsoluteSize : 1; // Whether or not CSS specified an explicit size | |
// (logical sizes like "medium" don't count). | |
unsigned m_weight : 8; // FontWeight | |
unsigned m_genericFamily : 3; // GenericFamilyType | |
bool m_usePrinterFont : 1; | |
unsigned m_renderingMode : 1; // Used to switch between CG and GDI text on Windows. | |
unsigned m_keywordSize : 4; // We cache whether or not a font is currently represented by a CSS keyword (e.g., medium). If so, | |
// then we can accurately translate across different generic families to adjust for different preference settings | |
// (e.g., 13px monospace vs. 16px everything else). Sizes are 1-8 (like the HTML size values for <font>). | |
unsigned m_fontSmoothing : 2; // FontSmoothingMode | |
unsigned m_textRendering : 2; // TextRenderingMode | |
}; | |
inline bool FontDescription::operator==(const FontDescription& other) const | |
{ | |
return m_familyList == other.m_familyList | |
&& m_specifiedSize == other.m_specifiedSize | |
&& m_computedSize == other.m_computedSize | |
&& m_italic == other.m_italic | |
&& m_smallCaps == other.m_smallCaps | |
&& m_isAbsoluteSize == other.m_isAbsoluteSize | |
&& m_weight == other.m_weight | |
&& m_genericFamily == other.m_genericFamily | |
&& m_usePrinterFont == other.m_usePrinterFont | |
&& m_renderingMode == other.m_renderingMode | |
&& m_keywordSize == other.m_keywordSize | |
&& m_fontSmoothing == other.m_fontSmoothing | |
&& m_textRendering == other.m_textRendering; | |
} | |
} | |
#endif |