mirror of https://github.com/axmolengine/axmol.git
117 lines
4.0 KiB
C++
117 lines
4.0 KiB
C++
/* libs/graphics/sgl/SkBitmapSamplerTemplate.h
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**
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** Copyright 2006, The Android Open Source Project
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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/* this guy is pulled in multiple times, with the following symbols defined each time:
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#define BITMAP_CLASSNAME_PREFIX(name) ARGB32##name
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#defube BITMAP_PIXEL_TO_PMCOLOR(bitmap, x, y) *bitmap.getAddr32(x, y)
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*/
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class BITMAP_CLASSNAME_PREFIX(_Point_Sampler) : public SkBitmapSampler {
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public:
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BITMAP_CLASSNAME_PREFIX(_Point_Sampler)(const SkBitmap& bm, SkShader::TileMode tmx, SkShader::TileMode tmy)
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: SkBitmapSampler(bm, false, tmx, tmy)
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{
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}
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virtual SkPMColor sample(SkFixed x, SkFixed y) const
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{
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x = fTileProcX(SkFixedFloor(x), fMaxX);
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y = fTileProcY(SkFixedFloor(y), fMaxY);
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return BITMAP_PIXEL_TO_PMCOLOR(fBitmap, x, y);
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}
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};
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class BITMAP_CLASSNAME_PREFIX(_Point_Clamp_Sampler) : public SkBitmapSampler {
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public:
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BITMAP_CLASSNAME_PREFIX(_Point_Clamp_Sampler)(const SkBitmap& bm)
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: SkBitmapSampler(bm, false, SkShader::kClamp_TileMode, SkShader::kClamp_TileMode)
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{
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}
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virtual SkPMColor sample(SkFixed x, SkFixed y) const
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{
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x = do_clamp(SkFixedFloor(x), fMaxX);
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y = do_clamp(SkFixedFloor(y), fMaxY);
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return BITMAP_PIXEL_TO_PMCOLOR(fBitmap, x, y);
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}
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};
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class BITMAP_CLASSNAME_PREFIX(_Point_Repeat_Pow2_Sampler) : public SkBitmapSampler {
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public:
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BITMAP_CLASSNAME_PREFIX(_Point_Repeat_Pow2_Sampler)(const SkBitmap& bm)
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: SkBitmapSampler(bm, false, SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode)
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{
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}
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virtual SkPMColor sample(SkFixed x, SkFixed y) const
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{
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x = do_repeat_pow2(SkFixedFloor(x), fMaxX);
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y = do_repeat_pow2(SkFixedFloor(y), fMaxY);
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return BITMAP_PIXEL_TO_PMCOLOR(fBitmap, x, y);
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}
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};
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class BITMAP_CLASSNAME_PREFIX(_Point_Repeat_Mod_Sampler) : public SkBitmapSampler {
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public:
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BITMAP_CLASSNAME_PREFIX(_Point_Repeat_Mod_Sampler)(const SkBitmap& bm)
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: SkBitmapSampler(bm, false, SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode)
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{
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}
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virtual SkPMColor sample(SkFixed x, SkFixed y) const
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{
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x = do_repeat_mod(SkFixedFloor(x), fMaxX);
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y = do_repeat_mod(SkFixedFloor(y), fMaxY);
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return BITMAP_PIXEL_TO_PMCOLOR(fBitmap, x, y);
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}
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};
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class BITMAP_CLASSNAME_PREFIX(_Point_Mirror_Pow2_Sampler) : public SkBitmapSampler {
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public:
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BITMAP_CLASSNAME_PREFIX(_Point_Mirror_Pow2_Sampler)(const SkBitmap& bm)
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: SkBitmapSampler(bm, false, SkShader::kMirror_TileMode, SkShader::kMirror_TileMode)
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{
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}
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virtual SkPMColor sample(SkFixed x, SkFixed y) const
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{
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x = do_mirror_pow2(SkFixedFloor(x), fMaxX);
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y = do_mirror_pow2(SkFixedFloor(y), fMaxY);
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return BITMAP_PIXEL_TO_PMCOLOR(fBitmap, x, y);
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}
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};
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class BITMAP_CLASSNAME_PREFIX(_Point_Mirror_Mod_Sampler) : public SkBitmapSampler {
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public:
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BITMAP_CLASSNAME_PREFIX(_Point_Mirror_Mod_Sampler)(const SkBitmap& bm)
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: SkBitmapSampler(bm, false, SkShader::kMirror_TileMode, SkShader::kMirror_TileMode)
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{
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}
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virtual SkPMColor sample(SkFixed x, SkFixed y) const
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{
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x = do_mirror_mod(SkFixedFloor(x), fMaxX);
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y = do_mirror_mod(SkFixedFloor(y), fMaxY);
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return BITMAP_PIXEL_TO_PMCOLOR(fBitmap, x, y);
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}
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};
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#undef BITMAP_CLASSNAME_PREFIX
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#undef BITMAP_PIXEL_TO_PMCOLOR
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