| /* |
| * Copyright (c) 2006, 2007, 2008, 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 FontPlatformData_h |
| #define FontPlatformData_h |
| |
| #include "SkPaint.h" |
| #include "SkTypeface.h" |
| #include "platform/PlatformExport.h" |
| #include "platform/SharedBuffer.h" |
| #include "platform/fonts/FontDescription.h" |
| #include "platform/fonts/FontOrientation.h" |
| #include "platform/fonts/SmallCapsIterator.h" |
| #include "platform/fonts/opentype/OpenTypeVerticalData.h" |
| #include "third_party/skia/include/core/SkRefCnt.h" |
| #include "wtf/Allocator.h" |
| #include "wtf/Forward.h" |
| #include "wtf/HashTableDeletedValueType.h" |
| #include "wtf/RefPtr.h" |
| #include "wtf/text/CString.h" |
| #include "wtf/text/StringImpl.h" |
| |
| #if OS(LINUX) || OS(ANDROID) |
| #include "platform/fonts/linux/FontRenderStyle.h" |
| #endif // OS(LINUX) || OS(ANDROID) |
| |
| #if OS(MACOSX) |
| OBJC_CLASS NSFont; |
| |
| typedef struct CGFont* CGFontRef; |
| typedef const struct __CTFont* CTFontRef; |
| |
| #include <objc/objc-auto.h> |
| |
| inline CTFontRef toCTFontRef(NSFont* nsFont) { |
| return reinterpret_cast<CTFontRef>(nsFont); |
| } |
| inline NSFont* toNSFont(CTFontRef ctFontRef) { |
| return const_cast<NSFont*>(reinterpret_cast<const NSFont*>(ctFontRef)); |
| } |
| #endif // OS(MACOSX) |
| |
| class SkTypeface; |
| typedef uint32_t SkFontID; |
| |
| namespace blink { |
| |
| class Font; |
| class GraphicsContext; |
| class HarfBuzzFace; |
| |
| class PLATFORM_EXPORT FontPlatformData { |
| USING_FAST_MALLOC(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 0 one (created with the empty constructor), so we can't just |
| // set everything to 0. |
| FontPlatformData(WTF::HashTableDeletedValueType); |
| FontPlatformData(); |
| FontPlatformData(const FontPlatformData&); |
| FontPlatformData(float size, |
| bool syntheticBold, |
| bool syntheticItalic, |
| FontOrientation = FontOrientation::Horizontal); |
| FontPlatformData(const FontPlatformData& src, float textSize); |
| #if OS(MACOSX) |
| FontPlatformData(NSFont*, |
| float size, |
| bool syntheticBold = false, |
| bool syntheticItalic = false, |
| FontOrientation = FontOrientation::Horizontal); |
| #endif |
| FontPlatformData(sk_sp<SkTypeface>, |
| const char* name, |
| float textSize, |
| bool syntheticBold, |
| bool syntheticItalic, |
| FontOrientation = FontOrientation::Horizontal); |
| ~FontPlatformData(); |
| |
| #if OS(MACOSX) |
| CTFontRef ctFont() const; |
| CGFontRef cgFont() const; |
| #endif |
| |
| String fontFamilyName() const; |
| float size() const { return m_textSize; } |
| bool syntheticBold() const { return m_syntheticBold; } |
| bool syntheticItalic() const { return m_syntheticItalic; } |
| |
| SkTypeface* typeface() const; |
| HarfBuzzFace* harfBuzzFace() const; |
| bool hasSpaceInLigaturesOrKerning(TypesettingFeatures) const; |
| SkFontID uniqueID() const; |
| unsigned hash() const; |
| |
| FontOrientation orientation() const { return m_orientation; } |
| bool isVerticalAnyUpright() const { |
| return blink::isVerticalAnyUpright(m_orientation); |
| } |
| void setOrientation(FontOrientation orientation) { |
| m_orientation = orientation; |
| } |
| void setSyntheticBold(bool syntheticBold) { m_syntheticBold = syntheticBold; } |
| void setSyntheticItalic(bool syntheticItalic) { |
| m_syntheticItalic = syntheticItalic; |
| } |
| bool operator==(const FontPlatformData&) const; |
| const FontPlatformData& operator=(const FontPlatformData&); |
| |
| bool isHashTableDeletedValue() const { return m_isHashTableDeletedValue; } |
| #if OS(WIN) |
| void setMinSizeForAntiAlias(unsigned size) { m_minSizeForAntiAlias = size; } |
| unsigned minSizeForAntiAlias() const { return m_minSizeForAntiAlias; } |
| void setMinSizeForSubpixel(float size) { m_minSizeForSubpixel = size; } |
| float minSizeForSubpixel() const { return m_minSizeForSubpixel; } |
| #endif |
| bool fontContainsCharacter(UChar32 character); |
| |
| PassRefPtr<OpenTypeVerticalData> verticalData() const; |
| PassRefPtr<SharedBuffer> openTypeTable(SkFontTableTag) const; |
| |
| #if OS(LINUX) || OS(ANDROID) |
| // The returned styles are all actual styles without |
| // FontRenderStyle::NoPreference. |
| const FontRenderStyle& getFontRenderStyle() const { return m_style; } |
| #endif |
| void setupPaint(SkPaint*, float deviceScaleFactor = 1, const Font* = 0) const; |
| |
| #if OS(WIN) |
| int paintTextFlags() const { return m_paintTextFlags; } |
| #endif |
| |
| private: |
| #if OS(WIN) |
| void querySystemForRenderStyle(); |
| #endif |
| |
| sk_sp<SkTypeface> m_typeface; |
| #if !OS(WIN) |
| CString m_family; |
| #endif |
| |
| public: |
| float m_textSize; |
| bool m_syntheticBold; |
| bool m_syntheticItalic; |
| FontOrientation m_orientation; |
| |
| private: |
| #if OS(LINUX) || OS(ANDROID) |
| FontRenderStyle m_style; |
| #endif |
| |
| mutable RefPtr<HarfBuzzFace> m_harfBuzzFace; |
| bool m_isHashTableDeletedValue; |
| #if OS(WIN) |
| int m_paintTextFlags; |
| unsigned m_minSizeForAntiAlias; |
| float m_minSizeForSubpixel; |
| #endif |
| }; |
| |
| } // namespace blink |
| |
| #endif // ifdef FontPlatformData_h |