senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2013 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 | */ |
| 7 | |
| 8 | #include "gm.h" |
Mike Klein | 33d2055 | 2017-03-22 13:47:51 -0400 | [diff] [blame] | 9 | #include "sk_tool_utils.h" |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 10 | #include "SkColorFilter.h" |
| 11 | |
| 12 | #include "SkColorFilterImageFilter.h" |
| 13 | #include "SkDropShadowImageFilter.h" |
| 14 | |
| 15 | /////////////////////////////////////////////////////////////////////////////// |
| 16 | |
robertphillips | c416912 | 2016-04-06 08:40:59 -0700 | [diff] [blame] | 17 | static void draw_paint(SkCanvas* canvas, const SkRect& r, sk_sp<SkImageFilter> imf) { |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 18 | SkPaint paint; |
robertphillips | c416912 | 2016-04-06 08:40:59 -0700 | [diff] [blame] | 19 | paint.setImageFilter(std::move(imf)); |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 20 | paint.setColor(SK_ColorBLACK); |
| 21 | canvas->save(); |
| 22 | canvas->clipRect(r); |
| 23 | canvas->drawPaint(paint); |
| 24 | canvas->restore(); |
| 25 | } |
| 26 | |
robertphillips | c416912 | 2016-04-06 08:40:59 -0700 | [diff] [blame] | 27 | static void draw_path(SkCanvas* canvas, const SkRect& r, sk_sp<SkImageFilter> imf) { |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 28 | SkPaint paint; |
| 29 | paint.setColor(SK_ColorGREEN); |
robertphillips | c416912 | 2016-04-06 08:40:59 -0700 | [diff] [blame] | 30 | paint.setImageFilter(std::move(imf)); |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 31 | paint.setAntiAlias(true); |
| 32 | canvas->save(); |
| 33 | canvas->clipRect(r); |
| 34 | canvas->drawCircle(r.centerX(), r.centerY(), r.width()/3, paint); |
| 35 | canvas->restore(); |
| 36 | } |
| 37 | |
robertphillips | c416912 | 2016-04-06 08:40:59 -0700 | [diff] [blame] | 38 | static void draw_text(SkCanvas* canvas, const SkRect& r, sk_sp<SkImageFilter> imf) { |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 39 | SkPaint paint; |
robertphillips | c416912 | 2016-04-06 08:40:59 -0700 | [diff] [blame] | 40 | paint.setImageFilter(std::move(imf)); |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 41 | paint.setColor(SK_ColorGREEN); |
| 42 | paint.setAntiAlias(true); |
caryclark | 1818acb | 2015-07-24 12:09:25 -0700 | [diff] [blame] | 43 | sk_tool_utils::set_portable_typeface(&paint); |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 44 | paint.setTextSize(r.height()/2); |
| 45 | paint.setTextAlign(SkPaint::kCenter_Align); |
| 46 | canvas->save(); |
| 47 | canvas->clipRect(r); |
Cary Clark | 2a475ea | 2017-04-28 15:35:12 -0400 | [diff] [blame] | 48 | canvas->drawString("Text", r.centerX(), r.centerY(), paint); |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 49 | canvas->restore(); |
| 50 | } |
| 51 | |
robertphillips | c416912 | 2016-04-06 08:40:59 -0700 | [diff] [blame] | 52 | static void draw_bitmap(SkCanvas* canvas, const SkRect& r, sk_sp<SkImageFilter> imf) { |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 53 | SkPaint paint; |
| 54 | |
| 55 | SkIRect bounds; |
| 56 | r.roundOut(&bounds); |
| 57 | |
| 58 | SkBitmap bm; |
reed@google.com | eb9a46c | 2014-01-25 16:46:20 +0000 | [diff] [blame] | 59 | bm.allocN32Pixels(bounds.width(), bounds.height()); |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 60 | bm.eraseColor(SK_ColorTRANSPARENT); |
| 61 | SkCanvas c(bm); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 62 | draw_path(&c, r, nullptr); |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 63 | |
robertphillips | c416912 | 2016-04-06 08:40:59 -0700 | [diff] [blame] | 64 | paint.setImageFilter(std::move(imf)); |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 65 | canvas->save(); |
| 66 | canvas->clipRect(r); |
| 67 | canvas->drawBitmap(bm, 0, 0, &paint); |
| 68 | canvas->restore(); |
| 69 | } |
| 70 | |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 71 | /////////////////////////////////////////////////////////////////////////////// |
| 72 | |
Stephen White | 930f69e | 2017-01-12 17:15:50 -0500 | [diff] [blame] | 73 | DEF_SIMPLE_GM(dropshadowimagefilter, canvas, 400, 656) { |
| 74 | void (*drawProc[])(SkCanvas*, const SkRect&, sk_sp<SkImageFilter>) = { |
| 75 | draw_bitmap, draw_path, draw_paint, draw_text |
| 76 | }; |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 77 | |
Stephen White | 930f69e | 2017-01-12 17:15:50 -0500 | [diff] [blame] | 78 | sk_sp<SkColorFilter> cf(SkColorFilter::MakeModeFilter(SK_ColorMAGENTA, |
| 79 | SkBlendMode::kSrcIn)); |
| 80 | sk_sp<SkImageFilter> cfif(SkColorFilterImageFilter::Make(std::move(cf), nullptr)); |
| 81 | SkImageFilter::CropRect cropRect(SkRect::Make(SkIRect::MakeXYWH(10, 10, 44, 44)), |
| 82 | SkImageFilter::CropRect::kHasAll_CropEdge); |
| 83 | SkImageFilter::CropRect bogusRect(SkRect::Make(SkIRect::MakeXYWH(-100, -100, 10, 10)), |
| 84 | SkImageFilter::CropRect::kHasAll_CropEdge); |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 85 | |
Stephen White | 930f69e | 2017-01-12 17:15:50 -0500 | [diff] [blame] | 86 | sk_sp<SkImageFilter> filters[] = { |
| 87 | nullptr, |
| 88 | SkDropShadowImageFilter::Make(7.0f, 0.0f, 0.0f, 3.0f, SK_ColorBLUE, |
| 89 | SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode, nullptr), |
| 90 | SkDropShadowImageFilter::Make(0.0f, 7.0f, 3.0f, 0.0f, SK_ColorBLUE, |
| 91 | SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode, nullptr), |
| 92 | SkDropShadowImageFilter::Make(7.0f, 7.0f, 3.0f, 3.0f, SK_ColorBLUE, |
| 93 | SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode, nullptr), |
| 94 | SkDropShadowImageFilter::Make(7.0f, 7.0f, 3.0f, 3.0f, SK_ColorBLUE, |
| 95 | SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode, std::move(cfif)), |
| 96 | SkDropShadowImageFilter::Make(7.0f, 7.0f, 3.0f, 3.0f, SK_ColorBLUE, |
| 97 | SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode, nullptr, &cropRect), |
| 98 | SkDropShadowImageFilter::Make(7.0f, 7.0f, 3.0f, 3.0f, SK_ColorBLUE, |
| 99 | SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode, nullptr, &bogusRect), |
| 100 | SkDropShadowImageFilter::Make(7.0f, 7.0f, 3.0f, 3.0f, SK_ColorBLUE, |
| 101 | SkDropShadowImageFilter::kDrawShadowOnly_ShadowMode, nullptr), |
| 102 | }; |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 103 | |
Stephen White | 930f69e | 2017-01-12 17:15:50 -0500 | [diff] [blame] | 104 | SkRect r = SkRect::MakeWH(SkIntToScalar(64), SkIntToScalar(64)); |
| 105 | SkScalar MARGIN = SkIntToScalar(16); |
| 106 | SkScalar DX = r.width() + MARGIN; |
| 107 | SkScalar DY = r.height() + MARGIN; |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 108 | |
Stephen White | 930f69e | 2017-01-12 17:15:50 -0500 | [diff] [blame] | 109 | canvas->translate(MARGIN, MARGIN); |
| 110 | for (size_t j = 0; j < SK_ARRAY_COUNT(drawProc); ++j) { |
| 111 | canvas->save(); |
| 112 | for (size_t i = 0; i < SK_ARRAY_COUNT(filters); ++i) { |
| 113 | drawProc[j](canvas, r, filters[i]); |
| 114 | canvas->translate(0, DY); |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 115 | } |
Stephen White | 930f69e | 2017-01-12 17:15:50 -0500 | [diff] [blame] | 116 | canvas->restore(); |
| 117 | canvas->translate(DX, 0); |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 118 | } |
Stephen White | 930f69e | 2017-01-12 17:15:50 -0500 | [diff] [blame] | 119 | } |