mirror of https://github.com/axmolengine/axmol.git
67 lines
2.6 KiB
C++
67 lines
2.6 KiB
C++
/*
|
|
* Copyright (c) 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 SkHarfBuzzFont_DEFINED
|
|
#define SkHarfBuzzFont_DEFINED
|
|
|
|
extern "C" {
|
|
#include "harfbuzz-shaper.h"
|
|
//#include "harfbuzz-unicode.h"
|
|
}
|
|
|
|
#include "SkTypes.h"
|
|
|
|
class SkPaint;
|
|
class SkTypeface;
|
|
|
|
class SkHarfBuzzFont {
|
|
public:
|
|
/** The subclass returns the typeface for this font, or NULL
|
|
*/
|
|
virtual SkTypeface* getTypeface() const = 0;
|
|
/** The subclass sets the text related attributes of the paint.
|
|
e.g. textSize, typeface, textSkewX, etc.
|
|
All of the attributes that could effect how the text is measured.
|
|
Color information (e.g. color, xfermode, shader, etc.) are not required.
|
|
*/
|
|
virtual void setupPaint(SkPaint*) const = 0;
|
|
|
|
/** Implementation of HB_GetFontTableFunc, using SkHarfBuzzFont* as
|
|
the first parameter.
|
|
*/
|
|
static HB_Error GetFontTableFunc(void* skharfbuzzfont, const HB_Tag tag,
|
|
HB_Byte* buffer, HB_UInt* len);
|
|
|
|
static const HB_FontClass& GetFontClass();
|
|
};
|
|
|
|
#endif
|
|
|