1
2 /*
3 * Copyright 2006 The Android Open Source Project
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8
9
10 /* this guy is pulled in multiple times, with the following symbols defined each time:
11
12 #define BITMAP_CLASSNAME_PREFIX(name) ARGB32##name
13 #defube BITMAP_PIXEL_TO_PMCOLOR(bitmap, x, y) *bitmap.getAddr32(x, y)
14 */
15
BITMAP_CLASSNAME_PREFIX(_Point_Sampler)16 class BITMAP_CLASSNAME_PREFIX(_Point_Sampler) : public SkBitmapSampler {
17 public:
18 BITMAP_CLASSNAME_PREFIX(_Point_Sampler)(const SkBitmap& bm, SkShader::TileMode tmx, SkShader::TileMode tmy)
19 : SkBitmapSampler(bm, false, tmx, tmy)
20 {
21 }
22
23 virtual SkPMColor sample(SkFixed x, SkFixed y) const
24 {
25 x = fTileProcX(SkFixedFloor(x), fMaxX);
26 y = fTileProcY(SkFixedFloor(y), fMaxY);
27 return BITMAP_PIXEL_TO_PMCOLOR(fBitmap, x, y);
28 }
29 };
30
31
BITMAP_CLASSNAME_PREFIX(_Point_Clamp_Sampler)32 class BITMAP_CLASSNAME_PREFIX(_Point_Clamp_Sampler) : public SkBitmapSampler {
33 public:
34 BITMAP_CLASSNAME_PREFIX(_Point_Clamp_Sampler)(const SkBitmap& bm)
35 : SkBitmapSampler(bm, false, SkShader::kClamp_TileMode, SkShader::kClamp_TileMode)
36 {
37 }
38
39 virtual SkPMColor sample(SkFixed x, SkFixed y) const
40 {
41 x = do_clamp(SkFixedFloor(x), fMaxX);
42 y = do_clamp(SkFixedFloor(y), fMaxY);
43 return BITMAP_PIXEL_TO_PMCOLOR(fBitmap, x, y);
44 }
45 };
46
BITMAP_CLASSNAME_PREFIX(_Point_Repeat_Pow2_Sampler)47 class BITMAP_CLASSNAME_PREFIX(_Point_Repeat_Pow2_Sampler) : public SkBitmapSampler {
48 public:
49 BITMAP_CLASSNAME_PREFIX(_Point_Repeat_Pow2_Sampler)(const SkBitmap& bm)
50 : SkBitmapSampler(bm, false, SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode)
51 {
52 }
53
54 virtual SkPMColor sample(SkFixed x, SkFixed y) const
55 {
56 x = do_repeat_pow2(SkFixedFloor(x), fMaxX);
57 y = do_repeat_pow2(SkFixedFloor(y), fMaxY);
58 return BITMAP_PIXEL_TO_PMCOLOR(fBitmap, x, y);
59 }
60 };
61
BITMAP_CLASSNAME_PREFIX(_Point_Repeat_Mod_Sampler)62 class BITMAP_CLASSNAME_PREFIX(_Point_Repeat_Mod_Sampler) : public SkBitmapSampler {
63 public:
64 BITMAP_CLASSNAME_PREFIX(_Point_Repeat_Mod_Sampler)(const SkBitmap& bm)
65 : SkBitmapSampler(bm, false, SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode)
66 {
67 }
68
69 virtual SkPMColor sample(SkFixed x, SkFixed y) const
70 {
71 x = do_repeat_mod(SkFixedFloor(x), fMaxX);
72 y = do_repeat_mod(SkFixedFloor(y), fMaxY);
73 return BITMAP_PIXEL_TO_PMCOLOR(fBitmap, x, y);
74 }
75 };
76
BITMAP_CLASSNAME_PREFIX(_Point_Mirror_Pow2_Sampler)77 class BITMAP_CLASSNAME_PREFIX(_Point_Mirror_Pow2_Sampler) : public SkBitmapSampler {
78 public:
79 BITMAP_CLASSNAME_PREFIX(_Point_Mirror_Pow2_Sampler)(const SkBitmap& bm)
80 : SkBitmapSampler(bm, false, SkShader::kMirror_TileMode, SkShader::kMirror_TileMode)
81 {
82 }
83
84 virtual SkPMColor sample(SkFixed x, SkFixed y) const
85 {
86 x = do_mirror_pow2(SkFixedFloor(x), fMaxX);
87 y = do_mirror_pow2(SkFixedFloor(y), fMaxY);
88 return BITMAP_PIXEL_TO_PMCOLOR(fBitmap, x, y);
89 }
90 };
91
BITMAP_CLASSNAME_PREFIX(_Point_Mirror_Mod_Sampler)92 class BITMAP_CLASSNAME_PREFIX(_Point_Mirror_Mod_Sampler) : public SkBitmapSampler {
93 public:
94 BITMAP_CLASSNAME_PREFIX(_Point_Mirror_Mod_Sampler)(const SkBitmap& bm)
95 : SkBitmapSampler(bm, false, SkShader::kMirror_TileMode, SkShader::kMirror_TileMode)
96 {
97 }
98
99 virtual SkPMColor sample(SkFixed x, SkFixed y) const
100 {
101 x = do_mirror_mod(SkFixedFloor(x), fMaxX);
102 y = do_mirror_mod(SkFixedFloor(y), fMaxY);
103 return BITMAP_PIXEL_TO_PMCOLOR(fBitmap, x, y);
104 }
105 };
106
107 #undef BITMAP_CLASSNAME_PREFIX
108 #undef BITMAP_PIXEL_TO_PMCOLOR
109