gfx/skia/trunk/include/ports/SkHarfBuzzFont.h

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /*
michael@0 2 * Copyright 2009 Google Inc.
michael@0 3 *
michael@0 4 * Use of this source code is governed by a BSD-style license that can be
michael@0 5 * found in the LICENSE file.
michael@0 6 */
michael@0 7
michael@0 8 #ifndef SkHarfBuzzFont_DEFINED
michael@0 9 #define SkHarfBuzzFont_DEFINED
michael@0 10
michael@0 11 extern "C" {
michael@0 12 #include "harfbuzz-shaper.h"
michael@0 13 //#include "harfbuzz-unicode.h"
michael@0 14 }
michael@0 15
michael@0 16 #include "SkTypes.h"
michael@0 17
michael@0 18 class SkPaint;
michael@0 19 class SkTypeface;
michael@0 20
michael@0 21 class SkHarfBuzzFont {
michael@0 22 public:
michael@0 23 /** The subclass returns the typeface for this font, or NULL
michael@0 24 */
michael@0 25 virtual SkTypeface* getTypeface() const = 0;
michael@0 26 /** The subclass sets the text related attributes of the paint.
michael@0 27 e.g. textSize, typeface, textSkewX, etc.
michael@0 28 All of the attributes that could effect how the text is measured.
michael@0 29 Color information (e.g. color, xfermode, shader, etc.) are not required.
michael@0 30 */
michael@0 31 virtual void setupPaint(SkPaint*) const = 0;
michael@0 32
michael@0 33 /** Implementation of HB_GetFontTableFunc, using SkHarfBuzzFont* as
michael@0 34 the first parameter.
michael@0 35 */
michael@0 36 static HB_Error GetFontTableFunc(void* skharfbuzzfont, const HB_Tag tag,
michael@0 37 HB_Byte* buffer, HB_UInt* len);
michael@0 38
michael@0 39 static const HB_FontClass& GetFontClass();
michael@0 40 };
michael@0 41
michael@0 42 #endif

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