| /* |
| * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved. |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * 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.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #ifndef FontBuilder_h |
| #define FontBuilder_h |
| |
| #include "CSSValueKeywords.h" |
| |
| #include "core/platform/graphics/FontDescription.h" |
| #include "wtf/PassRefPtr.h" |
| |
| namespace WebCore { |
| |
| class CSSValue; |
| class FontSelector; |
| class RenderStyle; |
| |
| class FontDescriptionChangeScope; |
| |
| class FontBuilder { |
| WTF_MAKE_NONCOPYABLE(FontBuilder); WTF_MAKE_FAST_ALLOCATED; |
| public: |
| FontBuilder(); |
| |
| // FIXME: The name is probably wrong, but matches StyleResolverState callsite for consistency. |
| void initForStyleResolve(const Document&, RenderStyle*, bool useSVGZoomRules); |
| |
| void setInitial(float effectiveZoom); |
| |
| void didChangeFontParameters(bool); |
| |
| void inheritFrom(const FontDescription&); |
| void fromSystemFont(CSSValueID, float effectiveZoom); |
| |
| void setFontFamilyInitial(float effectiveZoom); |
| void setFontFamilyInherit(const FontDescription&); |
| void setFontFamilyValue(CSSValue*, float effectiveZoom); |
| |
| void setFontSizeInitial(float effectiveZoom); |
| void setFontSizeInherit(const FontDescription&, float effectiveZoom); |
| void setFontSizeValue(CSSValue*, RenderStyle* parentStyle, const RenderStyle* rootElementStyle, float effectiveZoom); |
| |
| void setWeight(FontWeight); |
| void setWeightBolder(); |
| void setWeightLighter(); |
| |
| void setFontVariantLigaturesInitial(); |
| void setFontVariantLigaturesInherit(const FontDescription&); |
| void setFontVariantLigaturesValue(CSSValue*); |
| |
| void setFeatureSettingsNormal(); |
| void setFeatureSettingsValue(CSSValue*); |
| |
| void setScript(const String& locale); |
| void setItalic(FontItalic); |
| void setSmallCaps(FontSmallCaps); |
| void setTextRenderingMode(TextRenderingMode); |
| void setKerning(FontDescription::Kerning); |
| void setFontSmoothing(FontSmoothingMode); |
| |
| // FIXME: These need to just vend a Font object eventually. |
| void createFont(PassRefPtr<FontSelector>, const RenderStyle* parentStyle, RenderStyle*); |
| // FIXME: This is nearly static, should either made fully static or decomposed into |
| // FontBuilder calls at the callsite. |
| void createFontForDocument(PassRefPtr<FontSelector>, RenderStyle*); |
| |
| // FIXME: These should not be necessary eventually. |
| void setFontDirty(bool fontDirty) { m_fontDirty = fontDirty; } |
| // FIXME: This is only used by an ASSERT in StyleResolver. Remove? |
| bool fontDirty() const { return m_fontDirty; } |
| |
| friend class FontDescriptionChangeScope; |
| private: |
| |
| // FIXME: "size" arg should be first for consistency with other similar functions. |
| void setSize(FontDescription&, float effectiveZoom, float size); |
| void checkForOrientationChange(RenderStyle*); |
| // This function fixes up the default font size if it detects that the current generic font family has changed. -dwh |
| void checkForGenericFamilyChange(RenderStyle*, const RenderStyle* parentStyle); |
| void checkForZoomChange(RenderStyle*, const RenderStyle* parentStyle); |
| |
| float getComputedSizeFromSpecifiedSize(FontDescription&, float effectiveZoom, float specifiedSize); |
| |
| const Document* m_document; |
| bool m_useSVGZoomRules; |
| // FIXME: This member is here on a short-term lease. The plan is to remove |
| // any notion of RenderStyle from here, allowing FontBuilder to build Font objects |
| // directly, rather than as a byproduct of calling RenderStyle::setFontDescription. |
| // FontDescriptionChangeScope should be the only consumer of this member. |
| // If you're using it, U R DOIN IT WRONG. |
| RenderStyle* m_style; |
| |
| // Fontbuilder is responsbile for creating the Font() |
| // object on RenderStyle from various other font-related |
| // properties on RenderStyle. Whenever one of those |
| // is changed, FontBuilder tracks the need to update |
| // style->font() with this bool. |
| bool m_fontDirty; |
| }; |
| |
| } |
| |
| #endif |