Chris Craik | 54fa17f | 2015-11-25 14:14:53 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include "TestSceneBase.h" |
| 18 | #include "utils/Color.h" |
| 19 | |
| 20 | #include <cstdio> |
| 21 | |
| 22 | class ListViewAnimation; |
| 23 | |
Chris Craik | 27e58b4 | 2015-12-07 10:01:38 -0800 | [diff] [blame] | 24 | static TestScene::Registrar _ListView(TestScene::Info{ |
Chris Craik | 54fa17f | 2015-11-25 14:14:53 -0800 | [diff] [blame] | 25 | "listview", |
| 26 | "A mock ListView of scrolling content. Doesn't re-bind/re-record views as they are recycled, so" |
| 27 | "won't upload much content (either glyphs, or bitmaps).", |
Chris Craik | 27e58b4 | 2015-12-07 10:01:38 -0800 | [diff] [blame] | 28 | TestScene::simpleCreateScene<ListViewAnimation> |
Chris Craik | 54fa17f | 2015-11-25 14:14:53 -0800 | [diff] [blame] | 29 | }); |
| 30 | |
| 31 | class ListViewAnimation : public TestScene { |
| 32 | public: |
| 33 | int cardHeight; |
| 34 | int cardSpacing; |
| 35 | int cardWidth; |
| 36 | int cardLeft; |
| 37 | sp<RenderNode> listView; |
| 38 | std::vector< sp<RenderNode> > cards; |
| 39 | void createContent(int width, int height, TestCanvas& canvas) override { |
| 40 | srand(0); |
| 41 | cardHeight = dp(60); |
| 42 | cardSpacing = dp(16); |
| 43 | cardWidth = std::min((height - cardSpacing * 2), (int)dp(300)); |
| 44 | cardLeft = (width - cardWidth) / 2; |
| 45 | |
| 46 | for (int y = 0; y < height + (cardHeight + cardSpacing - 1); y += (cardHeight + cardSpacing)) { |
| 47 | cards.push_back(createCard(cards.size(), y)); |
| 48 | } |
| 49 | listView = TestUtils::createNode(0, 0, width, height, |
| 50 | [this](RenderProperties& props, TestCanvas& canvas) { |
| 51 | for (size_t ci = 0; ci < cards.size(); ci++) { |
| 52 | canvas.drawRenderNode(cards[ci].get()); |
| 53 | } |
| 54 | }); |
| 55 | |
| 56 | canvas.drawColor(Color::Grey_500, SkXfermode::kSrcOver_Mode); |
| 57 | canvas.drawRenderNode(listView.get()); |
| 58 | } |
| 59 | |
| 60 | void doFrame(int frameNr) override { |
| 61 | int scrollPx = dp(frameNr) * 3; |
| 62 | int cardIndexOffset = scrollPx / (cardSpacing + cardHeight); |
| 63 | int pxOffset = -(scrollPx % (cardSpacing + cardHeight)); |
| 64 | |
Chris Craik | 15c3f19 | 2015-12-03 12:16:56 -0800 | [diff] [blame] | 65 | TestCanvas canvas( |
| 66 | listView->stagingProperties().getWidth(), |
| 67 | listView->stagingProperties().getHeight()); |
Chris Craik | 54fa17f | 2015-11-25 14:14:53 -0800 | [diff] [blame] | 68 | for (size_t ci = 0; ci < cards.size(); ci++) { |
| 69 | // update card position |
| 70 | auto card = cards[(ci + cardIndexOffset) % cards.size()]; |
| 71 | int top = ((int)ci) * (cardSpacing + cardHeight) + pxOffset; |
| 72 | card->mutateStagingProperties().setLeftTopRightBottom( |
| 73 | cardLeft, top, cardLeft + cardWidth, top + cardHeight); |
| 74 | card->setPropertyFieldsDirty(RenderNode::X | RenderNode::Y); |
| 75 | |
| 76 | // draw it to parent DisplayList |
| 77 | canvas.drawRenderNode(cards[ci].get()); |
| 78 | } |
John Reck | 51f2d60 | 2016-04-06 07:50:47 -0700 | [diff] [blame^] | 79 | listView->setStagingDisplayList(canvas.finishRecording(), nullptr); |
Chris Craik | 54fa17f | 2015-11-25 14:14:53 -0800 | [diff] [blame] | 80 | } |
| 81 | private: |
| 82 | SkBitmap createRandomCharIcon() { |
| 83 | int size = cardHeight - (dp(10) * 2); |
| 84 | SkBitmap bitmap = TestUtils::createSkBitmap(size, size); |
| 85 | SkCanvas canvas(bitmap); |
| 86 | canvas.clear(0); |
| 87 | |
| 88 | SkPaint paint; |
| 89 | paint.setAntiAlias(true); |
| 90 | SkColor randomColor = BrightColors[rand() % BrightColorsCount]; |
| 91 | paint.setColor(randomColor); |
| 92 | canvas.drawCircle(size / 2, size / 2, size / 2, paint); |
| 93 | |
| 94 | bool bgDark = SkColorGetR(randomColor) + SkColorGetG(randomColor) + SkColorGetB(randomColor) |
| 95 | < 128 * 3; |
| 96 | paint.setColor(bgDark ? Color::White : Color::Grey_700); |
| 97 | paint.setTextAlign(SkPaint::kCenter_Align); |
| 98 | paint.setTextSize(size / 2); |
| 99 | char charToShow = 'A' + (rand() % 26); |
| 100 | canvas.drawText(&charToShow, 1, size / 2, /*approximate centering*/ size * 0.7, paint); |
| 101 | return bitmap; |
| 102 | } |
| 103 | |
| 104 | static SkBitmap createBoxBitmap(bool filled) { |
| 105 | int size = dp(20); |
| 106 | int stroke = dp(2); |
| 107 | SkBitmap bitmap = TestUtils::createSkBitmap(size, size); |
| 108 | SkCanvas canvas(bitmap); |
| 109 | canvas.clear(Color::Transparent); |
| 110 | |
| 111 | SkPaint paint; |
| 112 | paint.setAntiAlias(true); |
| 113 | paint.setColor(filled ? Color::Yellow_500 : Color::Grey_700); |
| 114 | paint.setStyle(filled ? SkPaint::kStrokeAndFill_Style : SkPaint::kStroke_Style); |
| 115 | paint.setStrokeWidth(stroke); |
| 116 | canvas.drawRect(SkRect::MakeLTRB(stroke, stroke, size - stroke, size - stroke), paint); |
| 117 | return bitmap; |
| 118 | } |
| 119 | |
| 120 | sp<RenderNode> createCard(int cardId, int top) { |
| 121 | return TestUtils::createNode(cardLeft, top, cardLeft + cardWidth, top + cardHeight, |
| 122 | [this, cardId](RenderProperties& props, TestCanvas& canvas) { |
| 123 | static SkBitmap filledBox = createBoxBitmap(true); |
| 124 | static SkBitmap strokedBox = createBoxBitmap(false); |
| 125 | |
Chris Craik | 15c3f19 | 2015-12-03 12:16:56 -0800 | [diff] [blame] | 126 | // TODO: switch to using round rect clipping, once merging correctly handles that |
| 127 | SkPaint roundRectPaint; |
| 128 | roundRectPaint.setAntiAlias(true); |
| 129 | roundRectPaint.setColor(Color::White); |
| 130 | canvas.drawRoundRect(0, 0, cardWidth, cardHeight, dp(6), dp(6), roundRectPaint); |
Chris Craik | 54fa17f | 2015-11-25 14:14:53 -0800 | [diff] [blame] | 131 | |
| 132 | SkPaint textPaint; |
| 133 | textPaint.setTextEncoding(SkPaint::kGlyphID_TextEncoding); |
| 134 | textPaint.setColor(rand() % 2 ? Color::Black : Color::Grey_500); |
| 135 | textPaint.setTextSize(dp(20)); |
| 136 | textPaint.setAntiAlias(true); |
| 137 | char buf[256]; |
| 138 | snprintf(buf, sizeof(buf), "This card is #%d", cardId); |
sergeyv | dccca44 | 2016-03-21 15:38:21 -0700 | [diff] [blame] | 139 | TestUtils::drawUtf8ToCanvas(&canvas, buf, textPaint, cardHeight, dp(25)); |
Chris Craik | 54fa17f | 2015-11-25 14:14:53 -0800 | [diff] [blame] | 140 | textPaint.setTextSize(dp(15)); |
sergeyv | dccca44 | 2016-03-21 15:38:21 -0700 | [diff] [blame] | 141 | TestUtils::drawUtf8ToCanvas(&canvas, "This is some more text on the card", textPaint, |
Chris Craik | 54fa17f | 2015-11-25 14:14:53 -0800 | [diff] [blame] | 142 | cardHeight, dp(45)); |
| 143 | |
| 144 | canvas.drawBitmap(createRandomCharIcon(), dp(10), dp(10), nullptr); |
| 145 | |
| 146 | const SkBitmap& boxBitmap = rand() % 2 ? filledBox : strokedBox; |
| 147 | canvas.drawBitmap(boxBitmap, cardWidth - dp(10) - boxBitmap.width(), dp(10), nullptr); |
| 148 | }); |
| 149 | } |
| 150 | }; |