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 "tests/common/TestListViewSceneBase.h" 19 20 #include <cstdio> 21 22 class ListViewAnimation; 23 24 static TestScene::Registrar _ListView(TestScene::Info{ 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).", 28 TestScene::simpleCreateScene<ListViewAnimation> 29 }); 30 31 class ListViewAnimation : public TestListViewSceneBase { createRandomCharIcon(int cardHeight)32 sk_sp<Bitmap> createRandomCharIcon(int cardHeight) { 33 SkBitmap skBitmap; 34 int size = cardHeight - (dp(10) * 2); 35 sk_sp<Bitmap> bitmap(TestUtils::createBitmap(size, size, &skBitmap)); 36 SkCanvas canvas(skBitmap); 37 canvas.clear(0); 38 39 SkPaint paint; 40 paint.setAntiAlias(true); 41 SkColor randomColor = BrightColors[rand() % BrightColorsCount]; 42 paint.setColor(randomColor); 43 canvas.drawCircle(size / 2, size / 2, size / 2, paint); 44 45 bool bgDark = SkColorGetR(randomColor) + SkColorGetG(randomColor) + SkColorGetB(randomColor) 46 < 128 * 3; 47 paint.setColor(bgDark ? Color::White : Color::Grey_700); 48 paint.setTextAlign(SkPaint::kCenter_Align); 49 paint.setTextSize(size / 2); 50 char charToShow = 'A' + (rand() % 26); 51 const SkPoint pos[] = {{ 52 SkIntToScalar(size / 2), 53 /*approximate centering*/ SkFloatToScalar(size * 0.7f)}}; 54 canvas.drawPosText(&charToShow, 1, pos, paint); 55 return bitmap; 56 } 57 createBoxBitmap(bool filled)58 static sk_sp<Bitmap> createBoxBitmap(bool filled) { 59 int size = dp(20); 60 int stroke = dp(2); 61 SkBitmap skBitmap; 62 auto bitmap = TestUtils::createBitmap(size, size, &skBitmap); 63 SkCanvas canvas(skBitmap); 64 canvas.clear(Color::Transparent); 65 66 SkPaint paint; 67 paint.setAntiAlias(true); 68 paint.setColor(filled ? Color::Yellow_500 : Color::Grey_700); 69 paint.setStyle(filled ? SkPaint::kStrokeAndFill_Style : SkPaint::kStroke_Style); 70 paint.setStrokeWidth(stroke); 71 canvas.drawRect(SkRect::MakeLTRB(stroke, stroke, size - stroke, size - stroke), paint); 72 return bitmap; 73 } 74 createListItem(RenderProperties & props,Canvas & canvas,int cardId,int itemWidth,int itemHeight)75 void createListItem(RenderProperties& props, Canvas& canvas, int cardId, 76 int itemWidth, int itemHeight) override { 77 static sk_sp<Bitmap> filledBox(createBoxBitmap(true)); 78 static sk_sp<Bitmap> strokedBox(createBoxBitmap(false)); 79 // TODO: switch to using round rect clipping, once merging correctly handles that 80 SkPaint roundRectPaint; 81 roundRectPaint.setAntiAlias(true); 82 roundRectPaint.setColor(Color::White); 83 canvas.drawRoundRect(0, 0, itemWidth, itemHeight, dp(6), dp(6), roundRectPaint); 84 85 SkPaint textPaint; 86 textPaint.setTextEncoding(SkPaint::kGlyphID_TextEncoding); 87 textPaint.setColor(rand() % 2 ? Color::Black : Color::Grey_500); 88 textPaint.setTextSize(dp(20)); 89 textPaint.setAntiAlias(true); 90 char buf[256]; 91 snprintf(buf, sizeof(buf), "This card is #%d", cardId); 92 TestUtils::drawUtf8ToCanvas(&canvas, buf, textPaint, itemHeight, dp(25)); 93 textPaint.setTextSize(dp(15)); 94 TestUtils::drawUtf8ToCanvas(&canvas, "This is some more text on the card", textPaint, 95 itemHeight, dp(45)); 96 97 auto randomIcon = createRandomCharIcon(itemHeight); 98 canvas.drawBitmap(*randomIcon, dp(10), dp(10), nullptr); 99 100 auto box = rand() % 2 ? filledBox : strokedBox; 101 canvas.drawBitmap(*box, itemWidth - dp(10) - box->width(), dp(10), nullptr); 102 } 103 }; 104