dc3381fc81
add wrapper for harfbuzz font/fontclass git-svn-id: http://skia.googlecode.com/svn/trunk@500 2bbb7eff-a529-9590-31e7-b0007b416f81
67 lines
2.5 KiB
C++
67 lines
2.5 KiB
C++
/*
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* Copyright (c) 2009, Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SkHarfBuzzFont_DEFINED
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#define SkHarfBuzzFont_DEFINED
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extern "C" {
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#include "harfbuzz-shaper.h"
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//#include "harfbuzz-unicode.h"
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}
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#include "SkTypes.h"
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class SkPaint;
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class SkTypeface;
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class SkHarfBuzzFont {
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public:
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/** The subclass returns the typeface for this font, or NULL
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*/
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virtual SkTypeface* getTypeface() const = 0;
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/** The subclass sets the text related attributes of the paint.
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e.g. textSize, typeface, textSkewX, etc.
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All of the attributes that could effect how the text is measured.
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Color information (e.g. color, xfermode, shader, etc.) are not required.
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*/
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virtual void setupPaint(SkPaint*) const = 0;
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/** Implementation of HB_GetFontTableFunc, using SkHarfBuzzFont* as
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the first parameter.
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*/
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static HB_Error GetFontTableFunc(void* skharfbuzzfont, const HB_Tag tag,
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HB_Byte* buffer, HB_UInt* len);
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static const HB_FontClass& GetFontClass();
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};
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#endif
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