epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2011 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
reed | 36e6e26 | 2014-11-14 08:27:40 -0800 | [diff] [blame] | 7 | |
reed@google.com | c96e5c2 | 2011-02-16 21:50:04 +0000 | [diff] [blame] | 8 | #include "gm.h" |
robertphillips@google.com | b706117 | 2013-09-06 14:16:12 +0000 | [diff] [blame] | 9 | #include "SkBlurMask.h" |
reed@google.com | c96e5c2 | 2011-02-16 21:50:04 +0000 | [diff] [blame] | 10 | #include "SkBlurMaskFilter.h" |
bungeman | d3ebb48 | 2015-08-05 13:57:49 -0700 | [diff] [blame] | 11 | #include "SkPath.h" |
reed@google.com | c96e5c2 | 2011-02-16 21:50:04 +0000 | [diff] [blame] | 12 | |
halcanary | 2a24338 | 2015-09-09 08:16:41 -0700 | [diff] [blame] | 13 | DEF_SIMPLE_GM_BG(blurs, canvas, 700, 500, sk_tool_utils::color_to_565(0xFFDDDDDD)) { |
commit-bot@chromium.org | e396455 | 2014-04-28 16:25:35 +0000 | [diff] [blame] | 14 | SkBlurStyle NONE = SkBlurStyle(-999); |
reed@google.com | c96e5c2 | 2011-02-16 21:50:04 +0000 | [diff] [blame] | 15 | static const struct { |
commit-bot@chromium.org | e396455 | 2014-04-28 16:25:35 +0000 | [diff] [blame] | 16 | SkBlurStyle fStyle; |
| 17 | int fCx, fCy; |
reed@google.com | c96e5c2 | 2011-02-16 21:50:04 +0000 | [diff] [blame] | 18 | } gRecs[] = { |
commit-bot@chromium.org | e396455 | 2014-04-28 16:25:35 +0000 | [diff] [blame] | 19 | { NONE, 0, 0 }, |
| 20 | { kInner_SkBlurStyle, -1, 0 }, |
| 21 | { kNormal_SkBlurStyle, 0, 1 }, |
| 22 | { kSolid_SkBlurStyle, 0, -1 }, |
| 23 | { kOuter_SkBlurStyle, 1, 0 }, |
reed@google.com | c96e5c2 | 2011-02-16 21:50:04 +0000 | [diff] [blame] | 24 | }; |
| 25 | |
| 26 | SkPaint paint; |
| 27 | paint.setAntiAlias(true); |
caryclark | 1818acb | 2015-07-24 12:09:25 -0700 | [diff] [blame] | 28 | sk_tool_utils::set_portable_typeface(&paint); |
bungeman@google.com | 3c14d0f | 2011-05-20 14:05:03 +0000 | [diff] [blame] | 29 | paint.setTextSize(SkIntToScalar(25)); |
| 30 | canvas->translate(SkIntToScalar(-40), SkIntToScalar(0)); |
reed@google.com | c96e5c2 | 2011-02-16 21:50:04 +0000 | [diff] [blame] | 31 | |
| 32 | SkBlurMaskFilter::BlurFlags flags = SkBlurMaskFilter::kNone_BlurFlag; |
| 33 | for (int j = 0; j < 2; j++) { |
| 34 | canvas->save(); |
| 35 | paint.setColor(SK_ColorBLUE); |
| 36 | for (size_t i = 0; i < SK_ARRAY_COUNT(gRecs); i++) { |
| 37 | if (gRecs[i].fStyle != NONE) { |
robertphillips@google.com | b706117 | 2013-09-06 14:16:12 +0000 | [diff] [blame] | 38 | SkMaskFilter* mf = SkBlurMaskFilter::Create(gRecs[i].fStyle, |
| 39 | SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(20)), |
| 40 | flags); |
reed@google.com | c96e5c2 | 2011-02-16 21:50:04 +0000 | [diff] [blame] | 41 | paint.setMaskFilter(mf)->unref(); |
| 42 | } else { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 43 | paint.setMaskFilter(nullptr); |
reed@google.com | c96e5c2 | 2011-02-16 21:50:04 +0000 | [diff] [blame] | 44 | } |
robertphillips@google.com | 7ce661d | 2013-08-27 16:14:03 +0000 | [diff] [blame] | 45 | canvas->drawCircle(SkIntToScalar(200 + gRecs[i].fCx*100), |
| 46 | SkIntToScalar(200 + gRecs[i].fCy*100), |
| 47 | SkIntToScalar(50), |
| 48 | paint); |
reed@google.com | c96e5c2 | 2011-02-16 21:50:04 +0000 | [diff] [blame] | 49 | } |
| 50 | // draw text |
| 51 | { |
commit-bot@chromium.org | e396455 | 2014-04-28 16:25:35 +0000 | [diff] [blame] | 52 | SkMaskFilter* mf = SkBlurMaskFilter::Create(kNormal_SkBlurStyle, |
robertphillips@google.com | b706117 | 2013-09-06 14:16:12 +0000 | [diff] [blame] | 53 | SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(4)), |
| 54 | flags); |
reed@google.com | c96e5c2 | 2011-02-16 21:50:04 +0000 | [diff] [blame] | 55 | paint.setMaskFilter(mf)->unref(); |
| 56 | SkScalar x = SkIntToScalar(70); |
| 57 | SkScalar y = SkIntToScalar(400); |
| 58 | paint.setColor(SK_ColorBLACK); |
| 59 | canvas->drawText("Hamburgefons Style", 18, x, y, paint); |
robertphillips@google.com | 7ce661d | 2013-08-27 16:14:03 +0000 | [diff] [blame] | 60 | canvas->drawText("Hamburgefons Style", 18, |
| 61 | x, y + SkIntToScalar(50), paint); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 62 | paint.setMaskFilter(nullptr); |
reed@google.com | c96e5c2 | 2011-02-16 21:50:04 +0000 | [diff] [blame] | 63 | paint.setColor(SK_ColorWHITE); |
| 64 | x -= SkIntToScalar(2); |
| 65 | y -= SkIntToScalar(2); |
| 66 | canvas->drawText("Hamburgefons Style", 18, x, y, paint); |
| 67 | } |
| 68 | canvas->restore(); |
reed@google.com | 11a5ff3 | 2011-02-18 20:20:51 +0000 | [diff] [blame] | 69 | flags = SkBlurMaskFilter::kHighQuality_BlurFlag; |
bungeman@google.com | 3c14d0f | 2011-05-20 14:05:03 +0000 | [diff] [blame] | 70 | canvas->translate(SkIntToScalar(350), SkIntToScalar(0)); |
reed@google.com | c96e5c2 | 2011-02-16 21:50:04 +0000 | [diff] [blame] | 71 | } |
halcanary | 2a24338 | 2015-09-09 08:16:41 -0700 | [diff] [blame] | 72 | } |
reed@google.com | c96e5c2 | 2011-02-16 21:50:04 +0000 | [diff] [blame] | 73 | |
reed | 36e6e26 | 2014-11-14 08:27:40 -0800 | [diff] [blame] | 74 | ////////////////////////////////////////////////////////////////////////////////////////////// |
reed@google.com | c96e5c2 | 2011-02-16 21:50:04 +0000 | [diff] [blame] | 75 | |
reed | 36e6e26 | 2014-11-14 08:27:40 -0800 | [diff] [blame] | 76 | // exercise a special-case of blurs, which is two nested rects. These are drawn specially, |
| 77 | // and possibly cached. |
| 78 | // |
| 79 | // in particular, we want to notice that the 2nd rect draws slightly differently, since it |
| 80 | // is translated a fractional amount. |
| 81 | // |
halcanary | 2a24338 | 2015-09-09 08:16:41 -0700 | [diff] [blame] | 82 | DEF_SIMPLE_GM(blur2rects, canvas, 700, 500) { |
reed | 36e6e26 | 2014-11-14 08:27:40 -0800 | [diff] [blame] | 83 | SkPaint paint; |
| 84 | |
| 85 | paint.setMaskFilter(SkBlurMaskFilter::Create(kNormal_SkBlurStyle, |
| 86 | 2.3f))->unref(); |
| 87 | |
reed | 468b6b4 | 2014-11-17 07:41:35 -0800 | [diff] [blame] | 88 | SkRect outer = SkRect::MakeXYWH(10.125f, 10.125f, 100.125f, 100); |
| 89 | SkRect inner = SkRect::MakeXYWH(20.25f, 20.125f, 80, 80); |
reed | 36e6e26 | 2014-11-14 08:27:40 -0800 | [diff] [blame] | 90 | SkPath path; |
| 91 | path.addRect(outer, SkPath::kCW_Direction); |
| 92 | path.addRect(inner, SkPath::kCCW_Direction); |
| 93 | |
| 94 | canvas->drawPath(path, paint); |
reed | ae760d5 | 2014-11-14 11:59:10 -0800 | [diff] [blame] | 95 | // important to translate by a factional amount to exercise a different "phase" |
reed | 36e6e26 | 2014-11-14 08:27:40 -0800 | [diff] [blame] | 96 | // of the same path w.r.t. the pixel grid |
reed | 468b6b4 | 2014-11-17 07:41:35 -0800 | [diff] [blame] | 97 | SkScalar dx = SkScalarRoundToScalar(path.getBounds().width()) + 14 + 0.25f; |
reed | ae760d5 | 2014-11-14 11:59:10 -0800 | [diff] [blame] | 98 | canvas->translate(dx, 0); |
reed | 36e6e26 | 2014-11-14 08:27:40 -0800 | [diff] [blame] | 99 | canvas->drawPath(path, paint); |
halcanary | 2a24338 | 2015-09-09 08:16:41 -0700 | [diff] [blame] | 100 | } |
qiankun.miao | 28828d0 | 2014-12-10 07:40:36 -0800 | [diff] [blame] | 101 | |
halcanary | 2a24338 | 2015-09-09 08:16:41 -0700 | [diff] [blame] | 102 | DEF_SIMPLE_GM(blur2rectsnonninepatch, canvas, 700, 500) { |
qiankun.miao | 28828d0 | 2014-12-10 07:40:36 -0800 | [diff] [blame] | 103 | SkPaint paint; |
| 104 | paint.setMaskFilter(SkBlurMaskFilter::Create(kNormal_SkBlurStyle, |
| 105 | 4.3f))->unref(); |
| 106 | |
| 107 | SkRect outer = SkRect::MakeXYWH(10, 110, 100, 100); |
| 108 | SkRect inner = SkRect::MakeXYWH(50, 150, 10, 10); |
| 109 | SkPath path; |
| 110 | path.addRect(outer, SkPath::kCW_Direction); |
| 111 | path.addRect(inner, SkPath::kCW_Direction); |
| 112 | canvas->drawPath(path, paint); |
| 113 | |
| 114 | SkScalar dx = SkScalarRoundToScalar(path.getBounds().width()) + 40 + 0.25f; |
| 115 | canvas->translate(dx, 0); |
| 116 | canvas->drawPath(path, paint); |
| 117 | |
| 118 | // Translate to outside of clip bounds. |
| 119 | canvas->translate(-dx, 0); |
| 120 | canvas->translate(-30, -150); |
| 121 | canvas->drawPath(path, paint); |
halcanary | 2a24338 | 2015-09-09 08:16:41 -0700 | [diff] [blame] | 122 | } |