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/*
* Copyright 2006 The Android Open Source Project
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/* 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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