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/* 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
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