commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +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 | */ |
commit-bot@chromium.org | ddf94cf | 2013-10-12 17:25:17 +0000 | [diff] [blame] | 7 | |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 8 | #include "include/core/SkBitmap.h" |
| 9 | #include "include/core/SkCanvas.h" |
| 10 | #include "include/core/SkMatrix.h" |
| 11 | #include "include/core/SkPaint.h" |
| 12 | #include "include/core/SkRect.h" |
| 13 | #include "include/core/SkRefCnt.h" |
| 14 | #include "include/core/SkScalar.h" |
| 15 | #include "include/effects/SkLayerDrawLooper.h" |
Ben Wagner | 729a23f | 2019-05-17 16:29:34 -0400 | [diff] [blame] | 16 | #include "src/core/SkArenaAlloc.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 17 | #include "src/core/SkBitmapDevice.h" |
| 18 | #include "src/core/SkDraw.h" |
| 19 | #include "tests/Test.h" |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 20 | |
commit-bot@chromium.org | 15a1405 | 2014-02-16 00:59:25 +0000 | [diff] [blame] | 21 | static SkBitmap make_bm(int w, int h) { |
| 22 | SkBitmap bm; |
| 23 | bm.allocN32Pixels(w, h); |
| 24 | return bm; |
| 25 | } |
| 26 | |
robertphillips | 9a53fd7 | 2015-06-22 09:46:59 -0700 | [diff] [blame] | 27 | // TODO: can this be derived from SkBaseDevice? |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 28 | class FakeDevice : public SkBitmapDevice { |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 29 | public: |
Mike Reed | 910ca0f | 2018-04-25 13:04:05 -0400 | [diff] [blame] | 30 | FakeDevice() : INHERITED(make_bm(100, 100), SkSurfaceProps(0, kUnknown_SkPixelGeometry), |
| 31 | nullptr, nullptr) { |
robertphillips | 9a53fd7 | 2015-06-22 09:46:59 -0700 | [diff] [blame] | 32 | } |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 33 | |
Mike Reed | a136136 | 2017-03-07 09:37:29 -0500 | [diff] [blame] | 34 | void drawRect(const SkRect& r, const SkPaint& paint) override { |
Michael Ludwig | c89d1b5 | 2019-10-18 11:32:56 -0400 | [diff] [blame] | 35 | fLastMatrix = this->localToDevice(); |
Mike Reed | a136136 | 2017-03-07 09:37:29 -0500 | [diff] [blame] | 36 | this->INHERITED::drawRect(r, paint); |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 37 | } |
| 38 | |
| 39 | SkMatrix fLastMatrix; |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 40 | |
| 41 | private: |
| 42 | typedef SkBitmapDevice INHERITED; |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 43 | }; |
| 44 | |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 45 | static void test_frontToBack(skiatest::Reporter* reporter) { |
commit-bot@chromium.org | 74ba2f6 | 2014-02-14 10:06:42 +0000 | [diff] [blame] | 46 | SkLayerDrawLooper::Builder looperBuilder; |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 47 | SkLayerDrawLooper::LayerInfo layerInfo; |
| 48 | |
| 49 | // Add the front layer, with the defaults. |
commit-bot@chromium.org | 74ba2f6 | 2014-02-14 10:06:42 +0000 | [diff] [blame] | 50 | (void)looperBuilder.addLayer(layerInfo); |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 51 | |
| 52 | // Add the back layer, with some layer info set. |
commit-bot@chromium.org | 4b413c8 | 2013-11-25 19:44:07 +0000 | [diff] [blame] | 53 | layerInfo.fOffset.set(10.0f, 20.0f); |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 54 | layerInfo.fPaintBits |= SkLayerDrawLooper::kXfermode_Bit; |
commit-bot@chromium.org | 74ba2f6 | 2014-02-14 10:06:42 +0000 | [diff] [blame] | 55 | SkPaint* layerPaint = looperBuilder.addLayer(layerInfo); |
reed | 374772b | 2016-10-05 17:33:02 -0700 | [diff] [blame] | 56 | layerPaint->setBlendMode(SkBlendMode::kSrc); |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 57 | |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 58 | SkPaint paint; |
reed | 7b380d0 | 2016-03-21 13:25:16 -0700 | [diff] [blame] | 59 | auto looper(looperBuilder.detach()); |
Herb Derby | 73fe7b0 | 2017-02-08 15:12:19 -0500 | [diff] [blame] | 60 | SkArenaAlloc alloc{48}; |
Mike Reed | 59f2e46 | 2019-07-25 14:33:59 -0400 | [diff] [blame] | 61 | SkDrawLooper::Context* context = looper->makeContext(&alloc); |
| 62 | SkDrawLooper::Context::Info info; |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 63 | |
| 64 | // The back layer should come first. |
Mike Reed | 59f2e46 | 2019-07-25 14:33:59 -0400 | [diff] [blame] | 65 | REPORTER_ASSERT(reporter, context->next(&info, &paint)); |
reed | 374772b | 2016-10-05 17:33:02 -0700 | [diff] [blame] | 66 | REPORTER_ASSERT(reporter, paint.getBlendMode() == SkBlendMode::kSrc); |
Mike Reed | 59f2e46 | 2019-07-25 14:33:59 -0400 | [diff] [blame] | 67 | REPORTER_ASSERT(reporter, 10.0f == info.fTranslate.fX); |
| 68 | REPORTER_ASSERT(reporter, 20.0f == info.fTranslate.fY); |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 69 | paint.reset(); |
| 70 | |
| 71 | // Then the front layer. |
Mike Reed | 59f2e46 | 2019-07-25 14:33:59 -0400 | [diff] [blame] | 72 | REPORTER_ASSERT(reporter, context->next(&info, &paint)); |
reed | 374772b | 2016-10-05 17:33:02 -0700 | [diff] [blame] | 73 | REPORTER_ASSERT(reporter, paint.getBlendMode() == SkBlendMode::kSrcOver); |
Mike Reed | 59f2e46 | 2019-07-25 14:33:59 -0400 | [diff] [blame] | 74 | REPORTER_ASSERT(reporter, 0.0f == info.fTranslate.fX); |
| 75 | REPORTER_ASSERT(reporter, 0.0f == info.fTranslate.fY); |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 76 | |
| 77 | // Only two layers were added, so that should be the end. |
Mike Reed | 59f2e46 | 2019-07-25 14:33:59 -0400 | [diff] [blame] | 78 | REPORTER_ASSERT(reporter, !context->next(&info, &paint)); |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 79 | } |
| 80 | |
| 81 | static void test_backToFront(skiatest::Reporter* reporter) { |
commit-bot@chromium.org | 74ba2f6 | 2014-02-14 10:06:42 +0000 | [diff] [blame] | 82 | SkLayerDrawLooper::Builder looperBuilder; |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 83 | SkLayerDrawLooper::LayerInfo layerInfo; |
| 84 | |
| 85 | // Add the back layer, with the defaults. |
commit-bot@chromium.org | 74ba2f6 | 2014-02-14 10:06:42 +0000 | [diff] [blame] | 86 | (void)looperBuilder.addLayerOnTop(layerInfo); |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 87 | |
| 88 | // Add the front layer, with some layer info set. |
commit-bot@chromium.org | 4b413c8 | 2013-11-25 19:44:07 +0000 | [diff] [blame] | 89 | layerInfo.fOffset.set(10.0f, 20.0f); |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 90 | layerInfo.fPaintBits |= SkLayerDrawLooper::kXfermode_Bit; |
commit-bot@chromium.org | 74ba2f6 | 2014-02-14 10:06:42 +0000 | [diff] [blame] | 91 | SkPaint* layerPaint = looperBuilder.addLayerOnTop(layerInfo); |
reed | 374772b | 2016-10-05 17:33:02 -0700 | [diff] [blame] | 92 | layerPaint->setBlendMode(SkBlendMode::kSrc); |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 93 | |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 94 | SkPaint paint; |
reed | 7b380d0 | 2016-03-21 13:25:16 -0700 | [diff] [blame] | 95 | auto looper(looperBuilder.detach()); |
Herb Derby | 73fe7b0 | 2017-02-08 15:12:19 -0500 | [diff] [blame] | 96 | SkArenaAlloc alloc{48}; |
Mike Reed | 59f2e46 | 2019-07-25 14:33:59 -0400 | [diff] [blame] | 97 | SkDrawLooper::Context* context = looper->makeContext(&alloc); |
| 98 | SkDrawLooper::Context::Info info; |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 99 | |
| 100 | // The back layer should come first. |
Mike Reed | 59f2e46 | 2019-07-25 14:33:59 -0400 | [diff] [blame] | 101 | REPORTER_ASSERT(reporter, context->next(&info, &paint)); |
reed | 374772b | 2016-10-05 17:33:02 -0700 | [diff] [blame] | 102 | REPORTER_ASSERT(reporter, paint.getBlendMode() == SkBlendMode::kSrcOver); |
Mike Reed | 59f2e46 | 2019-07-25 14:33:59 -0400 | [diff] [blame] | 103 | REPORTER_ASSERT(reporter, 0.0f == info.fTranslate.fX); |
| 104 | REPORTER_ASSERT(reporter, 0.0f == info.fTranslate.fY); |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 105 | paint.reset(); |
| 106 | |
| 107 | // Then the front layer. |
Mike Reed | 59f2e46 | 2019-07-25 14:33:59 -0400 | [diff] [blame] | 108 | REPORTER_ASSERT(reporter, context->next(&info, &paint)); |
reed | 374772b | 2016-10-05 17:33:02 -0700 | [diff] [blame] | 109 | REPORTER_ASSERT(reporter, paint.getBlendMode() == SkBlendMode::kSrc); |
Mike Reed | 59f2e46 | 2019-07-25 14:33:59 -0400 | [diff] [blame] | 110 | REPORTER_ASSERT(reporter, 10.0f == info.fTranslate.fX); |
| 111 | REPORTER_ASSERT(reporter, 20.0f == info.fTranslate.fY); |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 112 | |
| 113 | // Only two layers were added, so that should be the end. |
Mike Reed | 59f2e46 | 2019-07-25 14:33:59 -0400 | [diff] [blame] | 114 | REPORTER_ASSERT(reporter, !context->next(&info, &paint)); |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 115 | } |
| 116 | |
| 117 | static void test_mixed(skiatest::Reporter* reporter) { |
commit-bot@chromium.org | 74ba2f6 | 2014-02-14 10:06:42 +0000 | [diff] [blame] | 118 | SkLayerDrawLooper::Builder looperBuilder; |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 119 | SkLayerDrawLooper::LayerInfo layerInfo; |
| 120 | |
| 121 | // Add the back layer, with the defaults. |
commit-bot@chromium.org | 74ba2f6 | 2014-02-14 10:06:42 +0000 | [diff] [blame] | 122 | (void)looperBuilder.addLayer(layerInfo); |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 123 | |
| 124 | // Add the front layer, with some layer info set. |
commit-bot@chromium.org | 4b413c8 | 2013-11-25 19:44:07 +0000 | [diff] [blame] | 125 | layerInfo.fOffset.set(10.0f, 20.0f); |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 126 | layerInfo.fPaintBits |= SkLayerDrawLooper::kXfermode_Bit; |
commit-bot@chromium.org | 74ba2f6 | 2014-02-14 10:06:42 +0000 | [diff] [blame] | 127 | SkPaint* layerPaint = looperBuilder.addLayerOnTop(layerInfo); |
reed | 374772b | 2016-10-05 17:33:02 -0700 | [diff] [blame] | 128 | layerPaint->setBlendMode(SkBlendMode::kSrc); |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 129 | |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 130 | SkPaint paint; |
reed | 7b380d0 | 2016-03-21 13:25:16 -0700 | [diff] [blame] | 131 | sk_sp<SkDrawLooper> looper(looperBuilder.detach()); |
Herb Derby | 73fe7b0 | 2017-02-08 15:12:19 -0500 | [diff] [blame] | 132 | SkArenaAlloc alloc{48}; |
Mike Reed | 59f2e46 | 2019-07-25 14:33:59 -0400 | [diff] [blame] | 133 | SkDrawLooper::Context* context = looper->makeContext(&alloc); |
| 134 | SkDrawLooper::Context::Info info; |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 135 | |
| 136 | // The back layer should come first. |
Mike Reed | 59f2e46 | 2019-07-25 14:33:59 -0400 | [diff] [blame] | 137 | REPORTER_ASSERT(reporter, context->next(&info, &paint)); |
reed | 374772b | 2016-10-05 17:33:02 -0700 | [diff] [blame] | 138 | REPORTER_ASSERT(reporter, paint.getBlendMode() == SkBlendMode::kSrcOver); |
Mike Reed | 59f2e46 | 2019-07-25 14:33:59 -0400 | [diff] [blame] | 139 | REPORTER_ASSERT(reporter, 0.0f == info.fTranslate.fX); |
| 140 | REPORTER_ASSERT(reporter, 0.0f == info.fTranslate.fY); |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 141 | paint.reset(); |
| 142 | |
| 143 | // Then the front layer. |
Mike Reed | 59f2e46 | 2019-07-25 14:33:59 -0400 | [diff] [blame] | 144 | REPORTER_ASSERT(reporter, context->next(&info, &paint)); |
reed | 374772b | 2016-10-05 17:33:02 -0700 | [diff] [blame] | 145 | REPORTER_ASSERT(reporter, paint.getBlendMode() == SkBlendMode::kSrc); |
Mike Reed | 59f2e46 | 2019-07-25 14:33:59 -0400 | [diff] [blame] | 146 | REPORTER_ASSERT(reporter, 10.0f == info.fTranslate.fX); |
| 147 | REPORTER_ASSERT(reporter, 20.0f == info.fTranslate.fY); |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 148 | |
| 149 | // Only two layers were added, so that should be the end. |
Mike Reed | 59f2e46 | 2019-07-25 14:33:59 -0400 | [diff] [blame] | 150 | REPORTER_ASSERT(reporter, !context->next(&info, &paint)); |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 151 | } |
| 152 | |
tfarina@chromium.org | e4fafb1 | 2013-12-12 21:11:12 +0000 | [diff] [blame] | 153 | DEF_TEST(LayerDrawLooper, reporter) { |
commit-bot@chromium.org | 8f83825 | 2013-05-22 12:35:50 +0000 | [diff] [blame] | 154 | test_frontToBack(reporter); |
| 155 | test_backToFront(reporter); |
| 156 | test_mixed(reporter); |
| 157 | } |