| /* |
| * Copyright (C) 2006, 2007 Apple Computer, Inc. |
| * Copyright (c) 2006, 2007, 2008, 2009, Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * 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. |
| * * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT |
| * OWNER OR 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. |
| */ |
| |
| #ifndef FontPlatformDataChromiumWin_h |
| #define FontPlatformDataChromiumWin_h |
| |
| #include "config.h" |
| |
| #include "SkPaint.h" |
| #include "SkTypeface.h" |
| #include "SkTypeface_win.h" |
| #include "core/platform/graphics/opentype/OpenTypeVerticalData.h" |
| #include "platform/SharedBuffer.h" |
| #include "platform/fonts/FontOrientation.h" |
| #include "wtf/Forward.h" |
| #include "wtf/HashTableDeletedValueType.h" |
| #include "wtf/OwnPtr.h" |
| #include "wtf/PassRefPtr.h" |
| #include "wtf/RefCounted.h" |
| #include "wtf/RefPtr.h" |
| #include "wtf/text/StringImpl.h" |
| |
| #include <usp10.h> |
| |
| typedef struct HFONT__ *HFONT; |
| |
| namespace WebCore { |
| |
| // Return a typeface associated with the hfont, and return its size and |
| // lfQuality from the hfont's LOGFONT. |
| PassRefPtr<SkTypeface> CreateTypefaceFromHFont(HFONT, int* size, int* paintTextFlags); |
| |
| class FontDescription; |
| class GraphicsContext; |
| class HarfBuzzFace; |
| |
| class FontPlatformData { |
| public: |
| // Used for deleted values in the font cache's hash tables. The hash table |
| // will create us with this structure, and it will compare other values |
| // to this "Deleted" one. It expects the Deleted one to be differentiable |
| // from the NULL one (created with the empty constructor), so we can't just |
| // set everything to NULL. |
| FontPlatformData(WTF::HashTableDeletedValueType); |
| FontPlatformData(); |
| #if ENABLE(GDI_FONTS_ON_WINDOWS) |
| // This constructor takes ownership of the HFONT |
| FontPlatformData(HFONT, float size, FontOrientation); |
| #endif |
| FontPlatformData(float size, bool bold, bool oblique); |
| FontPlatformData(const FontPlatformData&); |
| FontPlatformData(const FontPlatformData&, float textSize); |
| FontPlatformData(PassRefPtr<SkTypeface>, const char* name, float textSize, bool fakeBold, bool fakeItalic, FontOrientation = Horizontal); |
| |
| void setupPaint(SkPaint*, GraphicsContext* = 0) const; |
| |
| FontPlatformData& operator=(const FontPlatformData&); |
| |
| bool isHashTableDeletedValue() const { return m_isHashTableDeletedValue; } |
| |
| ~FontPlatformData(); |
| |
| bool isFixedPitch() const; |
| HFONT hfont() const { return m_font ? m_font->hfont() : 0; } |
| float size() const { return m_textSize; } |
| SkTypeface* typeface() const { return m_typeface.get(); } |
| SkFontID uniqueID() const { return m_typeface->uniqueID(); } |
| int paintTextFlags() const { return m_paintTextFlags; } |
| |
| String fontFamilyName() const; |
| |
| FontOrientation orientation() const { return m_orientation; } |
| void setOrientation(FontOrientation orientation) { m_orientation = orientation; } |
| |
| #if ENABLE(GDI_FONTS_ON_WINDOWS) |
| unsigned hash() const |
| { |
| return m_font ? m_font->hash() : NULL; |
| } |
| #else |
| unsigned hash() const; |
| #endif |
| |
| bool operator==(const FontPlatformData& other) const |
| { |
| return m_font == other.m_font && m_textSize == other.m_textSize && m_fakeBold == other.m_fakeBold && m_fakeItalic == other.m_fakeItalic && m_orientation == other.m_orientation; |
| } |
| |
| #if ENABLE(OPENTYPE_VERTICAL) |
| PassRefPtr<OpenTypeVerticalData> verticalData() const; |
| PassRefPtr<SharedBuffer> openTypeTable(uint32_t table) const; |
| #endif |
| |
| #ifndef NDEBUG |
| String description() const; |
| #endif |
| |
| // FIXME: Only used by Uniscribe, should be protected by a |
| // ENABLE(GDI_FONTS_ON_WINDOWS) macro once we have an abstraction layer |
| // for complex text shaping. |
| SCRIPT_FONTPROPERTIES* scriptFontProperties() const; |
| SCRIPT_CACHE* scriptCache() const { return &m_scriptCache; } |
| |
| static bool ensureFontLoaded(HFONT); |
| |
| #if USE(HARFBUZZ) |
| HarfBuzzFace* harfBuzzFace() const; |
| #endif |
| |
| private: |
| // We refcount the internal HFONT so that FontPlatformData can be |
| // efficiently copied. WebKit depends on being able to copy it, and we |
| // don't really want to re-create the HFONT. |
| class RefCountedHFONT : public RefCounted<RefCountedHFONT> { |
| public: |
| static PassRefPtr<RefCountedHFONT> create(HFONT hfont) |
| { |
| return adoptRef(new RefCountedHFONT(hfont)); |
| } |
| |
| ~RefCountedHFONT(); |
| |
| HFONT hfont() const { return m_hfont; } |
| unsigned hash() const |
| { |
| return StringHasher::hashMemory<sizeof(HFONT)>(&m_hfont); |
| } |
| |
| bool operator==(const RefCountedHFONT& other) const |
| { |
| return m_hfont == other.m_hfont; |
| } |
| |
| private: |
| // The create() function assumes there is already a refcount of one |
| // so it can do adoptRef. |
| RefCountedHFONT(HFONT hfont) : m_hfont(hfont) |
| { |
| } |
| |
| HFONT m_hfont; |
| }; |
| |
| RefPtr<RefCountedHFONT> m_font; |
| float m_textSize; // Point size of the font in pixels. |
| FontOrientation m_orientation; |
| bool m_fakeBold; |
| bool m_fakeItalic; |
| |
| RefPtr<SkTypeface> m_typeface; // cached from m_font |
| int m_paintTextFlags; // cached from m_font |
| |
| mutable SCRIPT_CACHE m_scriptCache; |
| mutable OwnPtr<SCRIPT_FONTPROPERTIES> m_scriptFontProperties; |
| |
| #if USE(HARFBUZZ) |
| mutable RefPtr<HarfBuzzFace> m_harfBuzzFace; |
| #endif |
| |
| bool m_isHashTableDeletedValue; |
| }; |
| |
| } // WebCore |
| |
| #endif // FontPlatformDataChromiumWin_h |