reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +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 | */ |
| 7 | |
| 8 | #include "gm.h" |
| 9 | #include "SkCanvas.h" |
| 10 | #include "SkColorFilter.h" |
| 11 | #include "SkColorPriv.h" |
| 12 | #include "SkShader.h" |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 13 | |
| 14 | #include "SkBlurImageFilter.h" |
senorblanco@chromium.org | 44888c6 | 2012-08-20 19:23:24 +0000 | [diff] [blame] | 15 | #include "SkColorFilterImageFilter.h" |
commit-bot@chromium.org | 1c4c9ef | 2013-08-07 00:07:51 +0000 | [diff] [blame] | 16 | #include "SkComposeImageFilter.h" |
senorblanco@chromium.org | 4a9a612 | 2012-12-04 14:18:50 +0000 | [diff] [blame] | 17 | #include "SkMergeImageFilter.h" |
senorblanco@chromium.org | 9daf96a | 2012-11-06 20:29:39 +0000 | [diff] [blame] | 18 | #include "SkOffsetImageFilter.h" |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 19 | #include "SkTestImageFilters.h" |
| 20 | |
| 21 | #define FILTER_WIDTH SkIntToScalar(150) |
| 22 | #define FILTER_HEIGHT SkIntToScalar(200) |
| 23 | |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 24 | static SkImageFilter* make0() { return SkDownSampleImageFilter::Create(SK_Scalar1 / 5); } |
| 25 | static SkImageFilter* make1() { return SkOffsetImageFilter::Create(SkIntToScalar(16), SkIntToScalar(16)); } |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 26 | static SkImageFilter* make2() { |
| 27 | SkColorFilter* cf = SkColorFilter::CreateModeFilter(SK_ColorBLUE, |
| 28 | SkXfermode::kSrcIn_Mode); |
| 29 | SkAutoUnref aur(cf); |
senorblanco@chromium.org | cd9f559 | 2012-10-26 19:37:00 +0000 | [diff] [blame] | 30 | return SkColorFilterImageFilter::Create(cf); |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 31 | } |
| 32 | static SkImageFilter* make3() { |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 33 | return SkBlurImageFilter::Create(8, 0); |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 34 | } |
| 35 | |
| 36 | static SkImageFilter* make4() { |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 37 | SkImageFilter* outer = SkOffsetImageFilter::Create(SkIntToScalar(16), SkIntToScalar(16)); |
| 38 | SkImageFilter* inner = SkDownSampleImageFilter::Create(SK_Scalar1 / 5); |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 39 | SkAutoUnref aur0(outer); |
| 40 | SkAutoUnref aur1(inner); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 41 | return SkComposeImageFilter::Create(outer, inner); |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 42 | } |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 43 | static SkImageFilter* make5() { |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 44 | SkImageFilter* first = SkOffsetImageFilter::Create(SkIntToScalar(16), SkIntToScalar(16)); |
| 45 | SkImageFilter* second = SkDownSampleImageFilter::Create(SK_Scalar1 / 5); |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 46 | SkAutoUnref aur0(first); |
| 47 | SkAutoUnref aur1(second); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 48 | return SkMergeImageFilter::Create(first, second); |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 49 | } |
| 50 | |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 51 | static SkImageFilter* make6() { |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 52 | SkImageFilter* outer = SkOffsetImageFilter::Create(SkIntToScalar(16), SkIntToScalar(16)); |
| 53 | SkImageFilter* inner = SkDownSampleImageFilter::Create(SK_Scalar1 / 5); |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 54 | SkAutoUnref aur0(outer); |
| 55 | SkAutoUnref aur1(inner); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 56 | SkImageFilter* compose = SkComposeImageFilter::Create(outer, inner); |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 57 | SkAutoUnref aur2(compose); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 58 | |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 59 | SkColorFilter* cf = SkColorFilter::CreateModeFilter(0x880000FF, |
| 60 | SkXfermode::kSrcIn_Mode); |
| 61 | SkAutoUnref aur3(cf); |
senorblanco@chromium.org | cd9f559 | 2012-10-26 19:37:00 +0000 | [diff] [blame] | 62 | SkImageFilter* blue = SkColorFilterImageFilter::Create(cf); |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 63 | SkAutoUnref aur4(blue); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 64 | |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 65 | return SkMergeImageFilter::Create(compose, blue); |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 66 | } |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 67 | |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 68 | static SkImageFilter* make7() { |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 69 | SkImageFilter* outer = SkOffsetImageFilter::Create(SkIntToScalar(16), SkIntToScalar(16)); |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 70 | SkImageFilter* inner = make3(); |
| 71 | SkAutoUnref aur0(outer); |
| 72 | SkAutoUnref aur1(inner); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 73 | SkImageFilter* compose = SkComposeImageFilter::Create(outer, inner); |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 74 | SkAutoUnref aur2(compose); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 75 | |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 76 | SkColorFilter* cf = SkColorFilter::CreateModeFilter(0x880000FF, |
| 77 | SkXfermode::kSrcIn_Mode); |
| 78 | SkAutoUnref aur3(cf); |
senorblanco@chromium.org | cd9f559 | 2012-10-26 19:37:00 +0000 | [diff] [blame] | 79 | SkImageFilter* blue = SkColorFilterImageFilter::Create(cf); |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 80 | SkAutoUnref aur4(blue); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 81 | |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 82 | return SkMergeImageFilter::Create(compose, blue); |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 83 | } |
| 84 | |
| 85 | static void draw0(SkCanvas* canvas) { |
| 86 | SkPaint p; |
| 87 | p.setAntiAlias(true); |
| 88 | SkRect r = SkRect::MakeWH(FILTER_WIDTH, FILTER_HEIGHT); |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 89 | r.inset(SK_Scalar1 * 12, SK_Scalar1 * 12); |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 90 | p.setColor(SK_ColorRED); |
| 91 | canvas->drawOval(r, p); |
| 92 | } |
| 93 | |
| 94 | class TestImageFiltersGM : public skiagm::GM { |
| 95 | public: |
| 96 | TestImageFiltersGM () {} |
| 97 | |
| 98 | protected: |
| 99 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 100 | SkString onShortName() override { |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 101 | return SkString("testimagefilters"); |
| 102 | } |
| 103 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 104 | SkISize onISize() override { return SkISize::Make(700, 460); } |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 105 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 106 | void onDraw(SkCanvas* canvas) override { |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 107 | // this->drawSizeBounds(canvas, 0xFFCCCCCC); |
| 108 | |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 109 | static SkImageFilter* (*gFilterProc[])() = { |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 110 | make0, make1, make2, make3, make4, make5, make6, make7 |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 111 | }; |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 112 | |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 113 | const SkRect bounds = SkRect::MakeWH(FILTER_WIDTH, FILTER_HEIGHT); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 114 | |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 115 | const SkScalar dx = bounds.width() * 8 / 7; |
| 116 | const SkScalar dy = bounds.height() * 8 / 7; |
| 117 | |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 118 | canvas->translate(SkIntToScalar(8), SkIntToScalar(8)); |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 119 | |
reed@google.com | 7fa2a65 | 2014-01-27 13:42:58 +0000 | [diff] [blame] | 120 | for (int i = 0; i < (int)SK_ARRAY_COUNT(gFilterProc); ++i) { |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 121 | int ix = i % 4; |
| 122 | int iy = i / 4; |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 123 | |
| 124 | SkAutoCanvasRestore acr(canvas, true); |
| 125 | canvas->translate(ix * dx, iy * dy); |
| 126 | |
| 127 | SkPaint p; |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 128 | p.setStyle(SkPaint::kStroke_Style); |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 129 | canvas->drawRect(bounds, p); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 130 | |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 131 | SkPaint paint; |
| 132 | paint.setImageFilter(gFilterProc[i]())->unref(); |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 133 | canvas->saveLayer(&bounds, &paint); |
| 134 | draw0(canvas); |
| 135 | } |
| 136 | } |
| 137 | |
| 138 | private: |
| 139 | typedef GM INHERITED; |
| 140 | }; |
| 141 | |
| 142 | ////////////////////////////////////////////////////////////////////////////// |
| 143 | |
scroggo | 96f16e8 | 2015-12-10 13:31:59 -0800 | [diff] [blame] | 144 | DEF_GM( return new TestImageFiltersGM; ) |