1 /* 2 * Copyright 2011, The Android Open Source Project 3 * Copyright 2011, Google Inc. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef _ANDROID_GRAPHICS_HARF_BUZZ_NG_FACE_SKIA_H_ 28 #define _ANDROID_GRAPHICS_HARF_BUZZ_NG_FACE_SKIA_H_ 29 30 #include <SkScalar.h> 31 #include <SkPaint.h> 32 33 #include <hb.h> 34 35 namespace android { 36 37 static inline float 38 HBFixedToFloat (hb_position_t v) 39 { 40 return scalbnf (v, -8); 41 } 42 43 static inline hb_position_t 44 HBFloatToFixed (float v) 45 { 46 return scalbnf (v, +8); 47 } 48 49 static inline hb_position_t SkScalarToHBFixed(SkScalar value) { 50 return HBFloatToFixed(SkScalarToFloat(value)); 51 } 52 53 hb_blob_t* harfbuzzSkiaReferenceTable(hb_face_t* face, hb_tag_t tag, void* userData); 54 55 hb_font_t* createFont(hb_face_t* face, SkPaint* paint, float sizeX, float sizeY); 56 57 } // namespace android 58 59 #endif // _ANDROID_GRAPHICS_HARF_BUZZ_NG_FACE_SKIA_H_ 60
