| /* libs/graphics/sgl/SkBitmapSamplerTemplate.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. |
| */ |
| |
| /* this guy is pulled in multiple times, with the following symbols defined each time: |
| |
| #define BITMAP_CLASSNAME_PREFIX(name) ARGB32##name |
| #defube BITMAP_PIXEL_TO_PMCOLOR(bitmap, x, y) *bitmap.getAddr32(x, y) |
| */ |
| |
| class BITMAP_CLASSNAME_PREFIX(_Point_Sampler) : public SkBitmapSampler { |
| public: |
| BITMAP_CLASSNAME_PREFIX(_Point_Sampler)(const SkBitmap& bm, SkShader::TileMode tmx, SkShader::TileMode tmy) |
| : SkBitmapSampler(bm, false, tmx, tmy) |
| { |
| } |
| |
| virtual SkPMColor sample(SkFixed x, SkFixed y) const |
| { |
| x = fTileProcX(SkFixedFloor(x), fMaxX); |
| y = fTileProcY(SkFixedFloor(y), fMaxY); |
| return BITMAP_PIXEL_TO_PMCOLOR(fBitmap, x, y); |
| } |
| }; |
| |
| |
| class BITMAP_CLASSNAME_PREFIX(_Point_Clamp_Sampler) : public SkBitmapSampler { |
| public: |
| BITMAP_CLASSNAME_PREFIX(_Point_Clamp_Sampler)(const SkBitmap& bm) |
| : SkBitmapSampler(bm, false, SkShader::kClamp_TileMode, SkShader::kClamp_TileMode) |
| { |
| } |
| |
| virtual SkPMColor sample(SkFixed x, SkFixed y) const |
| { |
| x = do_clamp(SkFixedFloor(x), fMaxX); |
| y = do_clamp(SkFixedFloor(y), fMaxY); |
| return BITMAP_PIXEL_TO_PMCOLOR(fBitmap, x, y); |
| } |
| }; |
| |
| class BITMAP_CLASSNAME_PREFIX(_Point_Repeat_Pow2_Sampler) : public SkBitmapSampler { |
| public: |
| BITMAP_CLASSNAME_PREFIX(_Point_Repeat_Pow2_Sampler)(const SkBitmap& bm) |
| : SkBitmapSampler(bm, false, SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode) |
| { |
| } |
| |
| virtual SkPMColor sample(SkFixed x, SkFixed y) const |
| { |
| x = do_repeat_pow2(SkFixedFloor(x), fMaxX); |
| y = do_repeat_pow2(SkFixedFloor(y), fMaxY); |
| return BITMAP_PIXEL_TO_PMCOLOR(fBitmap, x, y); |
| } |
| }; |
| |
| class BITMAP_CLASSNAME_PREFIX(_Point_Repeat_Mod_Sampler) : public SkBitmapSampler { |
| public: |
| BITMAP_CLASSNAME_PREFIX(_Point_Repeat_Mod_Sampler)(const SkBitmap& bm) |
| : SkBitmapSampler(bm, false, SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode) |
| { |
| } |
| |
| virtual SkPMColor sample(SkFixed x, SkFixed y) const |
| { |
| x = do_repeat_mod(SkFixedFloor(x), fMaxX); |
| y = do_repeat_mod(SkFixedFloor(y), fMaxY); |
| return BITMAP_PIXEL_TO_PMCOLOR(fBitmap, x, y); |
| } |
| }; |
| |
| class BITMAP_CLASSNAME_PREFIX(_Point_Mirror_Pow2_Sampler) : public SkBitmapSampler { |
| public: |
| BITMAP_CLASSNAME_PREFIX(_Point_Mirror_Pow2_Sampler)(const SkBitmap& bm) |
| : SkBitmapSampler(bm, false, SkShader::kMirror_TileMode, SkShader::kMirror_TileMode) |
| { |
| } |
| |
| virtual SkPMColor sample(SkFixed x, SkFixed y) const |
| { |
| x = do_mirror_pow2(SkFixedFloor(x), fMaxX); |
| y = do_mirror_pow2(SkFixedFloor(y), fMaxY); |
| return BITMAP_PIXEL_TO_PMCOLOR(fBitmap, x, y); |
| } |
| }; |
| |
| class BITMAP_CLASSNAME_PREFIX(_Point_Mirror_Mod_Sampler) : public SkBitmapSampler { |
| public: |
| BITMAP_CLASSNAME_PREFIX(_Point_Mirror_Mod_Sampler)(const SkBitmap& bm) |
| : SkBitmapSampler(bm, false, SkShader::kMirror_TileMode, SkShader::kMirror_TileMode) |
| { |
| } |
| |
| virtual SkPMColor sample(SkFixed x, SkFixed y) const |
| { |
| x = do_mirror_mod(SkFixedFloor(x), fMaxX); |
| y = do_mirror_mod(SkFixedFloor(y), fMaxY); |
| return BITMAP_PIXEL_TO_PMCOLOR(fBitmap, x, y); |
| } |
| }; |
| |
| #undef BITMAP_CLASSNAME_PREFIX |
| #undef BITMAP_PIXEL_TO_PMCOLOR |