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 | |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 8 | #include "gm/gm.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 9 | #include "include/core/SkBitmap.h" |
| 10 | #include "include/core/SkBlendMode.h" |
| 11 | #include "include/core/SkCanvas.h" |
| 12 | #include "include/core/SkColor.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 13 | #include "include/core/SkColorFilter.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 14 | #include "include/core/SkFont.h" |
| 15 | #include "include/core/SkImageFilter.h" |
| 16 | #include "include/core/SkPaint.h" |
| 17 | #include "include/core/SkRect.h" |
| 18 | #include "include/core/SkRefCnt.h" |
| 19 | #include "include/core/SkScalar.h" |
| 20 | #include "include/core/SkTypeface.h" |
| 21 | #include "include/core/SkTypes.h" |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 22 | #include "include/effects/SkImageFilters.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 23 | #include "include/utils/SkTextUtils.h" |
| 24 | #include "tools/ToolUtils.h" |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 25 | |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 26 | #include <utility> |
| 27 | |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 28 | /////////////////////////////////////////////////////////////////////////////// |
| 29 | |
robertphillips | c416912 | 2016-04-06 08:40:59 -0700 | [diff] [blame] | 30 | 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] | 31 | SkPaint paint; |
robertphillips | c416912 | 2016-04-06 08:40:59 -0700 | [diff] [blame] | 32 | paint.setImageFilter(std::move(imf)); |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 33 | paint.setColor(SK_ColorBLACK); |
| 34 | canvas->save(); |
| 35 | canvas->clipRect(r); |
| 36 | canvas->drawPaint(paint); |
| 37 | canvas->restore(); |
| 38 | } |
| 39 | |
robertphillips | c416912 | 2016-04-06 08:40:59 -0700 | [diff] [blame] | 40 | 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] | 41 | SkPaint paint; |
| 42 | paint.setColor(SK_ColorGREEN); |
robertphillips | c416912 | 2016-04-06 08:40:59 -0700 | [diff] [blame] | 43 | paint.setImageFilter(std::move(imf)); |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 44 | paint.setAntiAlias(true); |
| 45 | canvas->save(); |
| 46 | canvas->clipRect(r); |
| 47 | canvas->drawCircle(r.centerX(), r.centerY(), r.width()/3, paint); |
| 48 | canvas->restore(); |
| 49 | } |
| 50 | |
robertphillips | c416912 | 2016-04-06 08:40:59 -0700 | [diff] [blame] | 51 | 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] | 52 | SkPaint paint; |
robertphillips | c416912 | 2016-04-06 08:40:59 -0700 | [diff] [blame] | 53 | paint.setImageFilter(std::move(imf)); |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 54 | paint.setColor(SK_ColorGREEN); |
| 55 | paint.setAntiAlias(true); |
Mike Reed | b579f07 | 2019-01-03 15:45:53 -0500 | [diff] [blame] | 56 | |
Mike Klein | ea3f014 | 2019-03-20 11:12:10 -0500 | [diff] [blame] | 57 | SkFont font(ToolUtils::create_portable_typeface(), r.height() / 2); |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 58 | canvas->save(); |
| 59 | canvas->clipRect(r); |
Mike Reed | b579f07 | 2019-01-03 15:45:53 -0500 | [diff] [blame] | 60 | SkTextUtils::DrawString(canvas, "Text", r.centerX(), r.centerY(), font, paint, SkTextUtils::kCenter_Align); |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 61 | canvas->restore(); |
| 62 | } |
| 63 | |
robertphillips | c416912 | 2016-04-06 08:40:59 -0700 | [diff] [blame] | 64 | 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] | 65 | SkPaint paint; |
| 66 | |
| 67 | SkIRect bounds; |
| 68 | r.roundOut(&bounds); |
| 69 | |
| 70 | SkBitmap bm; |
reed@google.com | eb9a46c | 2014-01-25 16:46:20 +0000 | [diff] [blame] | 71 | bm.allocN32Pixels(bounds.width(), bounds.height()); |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 72 | bm.eraseColor(SK_ColorTRANSPARENT); |
| 73 | SkCanvas c(bm); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 74 | draw_path(&c, r, nullptr); |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 75 | |
robertphillips | c416912 | 2016-04-06 08:40:59 -0700 | [diff] [blame] | 76 | paint.setImageFilter(std::move(imf)); |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 77 | canvas->save(); |
| 78 | canvas->clipRect(r); |
| 79 | canvas->drawBitmap(bm, 0, 0, &paint); |
| 80 | canvas->restore(); |
| 81 | } |
| 82 | |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 83 | /////////////////////////////////////////////////////////////////////////////// |
| 84 | |
Stephen White | 930f69e | 2017-01-12 17:15:50 -0500 | [diff] [blame] | 85 | DEF_SIMPLE_GM(dropshadowimagefilter, canvas, 400, 656) { |
| 86 | void (*drawProc[])(SkCanvas*, const SkRect&, sk_sp<SkImageFilter>) = { |
| 87 | draw_bitmap, draw_path, draw_paint, draw_text |
| 88 | }; |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 89 | |
Mike Reed | b286bc2 | 2019-04-08 16:23:20 -0400 | [diff] [blame] | 90 | sk_sp<SkColorFilter> cf(SkColorFilters::Blend(SK_ColorMAGENTA, SkBlendMode::kSrcIn)); |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 91 | sk_sp<SkImageFilter> cfif(SkImageFilters::ColorFilter(std::move(cf), nullptr)); |
| 92 | SkIRect cropRect = SkIRect::MakeXYWH(10, 10, 44, 44); |
| 93 | SkIRect bogusRect = SkIRect::MakeXYWH(-100, -100, 10, 10); |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 94 | |
Stephen White | 930f69e | 2017-01-12 17:15:50 -0500 | [diff] [blame] | 95 | sk_sp<SkImageFilter> filters[] = { |
| 96 | nullptr, |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 97 | SkImageFilters::DropShadow(7.0f, 0.0f, 0.0f, 3.0f, SK_ColorBLUE, nullptr), |
| 98 | SkImageFilters::DropShadow(0.0f, 7.0f, 3.0f, 0.0f, SK_ColorBLUE, nullptr), |
| 99 | SkImageFilters::DropShadow(7.0f, 7.0f, 3.0f, 3.0f, SK_ColorBLUE, nullptr), |
| 100 | SkImageFilters::DropShadow(7.0f, 7.0f, 3.0f, 3.0f, SK_ColorBLUE, std::move(cfif)), |
| 101 | SkImageFilters::DropShadow(7.0f, 7.0f, 3.0f, 3.0f, SK_ColorBLUE, nullptr, &cropRect), |
| 102 | SkImageFilters::DropShadow(7.0f, 7.0f, 3.0f, 3.0f, SK_ColorBLUE, nullptr, &bogusRect), |
| 103 | SkImageFilters::DropShadowOnly(7.0f, 7.0f, 3.0f, 3.0f, SK_ColorBLUE, nullptr), |
Stephen White | 930f69e | 2017-01-12 17:15:50 -0500 | [diff] [blame] | 104 | }; |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 105 | |
Stephen White | 930f69e | 2017-01-12 17:15:50 -0500 | [diff] [blame] | 106 | SkRect r = SkRect::MakeWH(SkIntToScalar(64), SkIntToScalar(64)); |
| 107 | SkScalar MARGIN = SkIntToScalar(16); |
| 108 | SkScalar DX = r.width() + MARGIN; |
| 109 | SkScalar DY = r.height() + MARGIN; |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 110 | |
Stephen White | 930f69e | 2017-01-12 17:15:50 -0500 | [diff] [blame] | 111 | canvas->translate(MARGIN, MARGIN); |
| 112 | for (size_t j = 0; j < SK_ARRAY_COUNT(drawProc); ++j) { |
| 113 | canvas->save(); |
| 114 | for (size_t i = 0; i < SK_ARRAY_COUNT(filters); ++i) { |
| 115 | drawProc[j](canvas, r, filters[i]); |
| 116 | canvas->translate(0, DY); |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 117 | } |
Stephen White | 930f69e | 2017-01-12 17:15:50 -0500 | [diff] [blame] | 118 | canvas->restore(); |
| 119 | canvas->translate(DX, 0); |
senorblanco@chromium.org | d8f82a4 | 2013-11-26 21:52:38 +0000 | [diff] [blame] | 120 | } |
Stephen White | 930f69e | 2017-01-12 17:15:50 -0500 | [diff] [blame] | 121 | } |