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/*
* Copyright 2011, The Android Open Source Project
* Copyright 2011, 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``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 HarfbuzzSkia_h
#define HarfbuzzSkia_h
#include "SkScalar.h"
#include "SkTypeface.h"
#include "SkPaint.h"
extern "C" {
#include "harfbuzz-shaper.h"
}
namespace android {
static inline float HBFixedToFloat(HB_Fixed v) {
// Harfbuzz uses 26.6 fixed point values for pixel offsets
return v * (1.0f / 64);
}
static inline HB_Fixed SkScalarToHBFixed(SkScalar value) {
// HB_Fixed is a 26.6 fixed point format.
return SkScalarToFloat(value) * 64.0f;
}
typedef struct {
SkTypeface* typeFace;
SkScalar textSize;
SkScalar textSkewX;
SkScalar textScaleX;
uint32_t flags;
SkPaint::Hinting hinting;
} FontData;
HB_Error harfbuzzSkiaGetTable(void* voidface, const HB_Tag, HB_Byte* buffer, HB_UInt* len);
extern const HB_FontClass harfbuzzSkiaClass;
} // namespace android
#endif
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