Index: skia/sgl/SkAutoKern.h |
=================================================================== |
--- skia/sgl/SkAutoKern.h (revision 16859) |
+++ skia/sgl/SkAutoKern.h (working copy) |
@@ -1,62 +0,0 @@ |
-/* libs/graphics/sgl/SkAutoKern.h |
-** |
-** Copyright 2006, The Android Open Source Project |
-** |
-** Licensed under the Apache License, Version 2.0 (the "License"); |
-** you may not use this file except in compliance with the License. |
-** You may obtain a copy of the License at |
-** |
-** http://www.apache.org/licenses/LICENSE-2.0 |
-** |
-** Unless required by applicable law or agreed to in writing, software |
-** distributed under the License is distributed on an "AS IS" BASIS, |
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
-** See the License for the specific language governing permissions and |
-** limitations under the License. |
-*/ |
- |
-#ifndef SkAutoKern_DEFINED |
-#define SkAutoKern_DEFINED |
- |
-#include "SkScalerContext.h" |
- |
-#define SkAutoKern_AdjustF(prev, next) (((next) - (prev) + 32) >> 6 << 16) |
-#define SkAutoKern_AdjustS(prev, next) SkIntToScalar(((next) - (prev) + 32) >> 6) |
- |
-/* this is a helper class to perform auto-kerning |
- * the adjust() method returns a SkFixed corresponding |
- * to a +1/0/-1 pixel adjustment |
- */ |
- |
-class SkAutoKern { |
-public: |
- SkAutoKern() : fPrevRsbDelta(0) {} |
- |
- SkFixed adjust(const SkGlyph& glyph) |
- { |
-// if (SkAbs32(glyph.fLsbDelta) > 47 || SkAbs32(glyph.fRsbDelta) > 47) |
-// printf("------- %d> L %d R %d\n", glyph.f_GlyphID, glyph.fLsbDelta, glyph.fRsbDelta); |
- |
-#if 0 |
- int distort = fPrevRsbDelta - glyph.fLsbDelta; |
- |
- fPrevRsbDelta = glyph.fRsbDelta; |
- |
- if (distort >= 32) |
- return -SK_Fixed1; |
- else if (distort < -32) |
- return +SK_Fixed1; |
- else |
- return 0; |
-#else |
- SkFixed adjust = SkAutoKern_AdjustF(fPrevRsbDelta, glyph.fLsbDelta); |
- fPrevRsbDelta = glyph.fRsbDelta; |
- return adjust; |
-#endif |
- } |
-private: |
- int fPrevRsbDelta; |
-}; |
- |
-#endif |
- |