1/* 2 * Copyright (C) 2016 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 "tests/common/TestUtils.h" 18 19#include <gtest/gtest.h> 20#include <RecordingCanvas.h> 21#include <SkPicture.h> 22#include <SkPictureRecorder.h> 23 24using namespace android; 25using namespace android::uirenderer; 26 27/** 28 * Verify that we get the same culling bounds for text for (1) drawing glyphs 29 * directly to a Canvas or (2) going through a SkPicture as an intermediate step. 30 */ 31TEST(SkiaCanvasProxy, drawGlyphsViaPicture) { 32 auto dl = TestUtils::createDisplayList<RecordingCanvas>(200, 200, [](RecordingCanvas& canvas) { 33 // setup test variables 34 SkPaint paint; 35 paint.setAntiAlias(true); 36 paint.setTextSize(20); 37 paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding); 38 static const char* text = "testing text bounds"; 39 40 // draw text directly into Recording canvas 41 TestUtils::drawUtf8ToCanvas(&canvas, text, paint, 25, 25); 42 43 // record the same text draw into a SkPicture and replay it into a Recording canvas 44 SkPictureRecorder recorder; 45 SkCanvas* skCanvas = recorder.beginRecording(200, 200, NULL, 0); 46 std::unique_ptr<Canvas> pictCanvas(Canvas::create_canvas(skCanvas)); 47 TestUtils::drawUtf8ToCanvas(pictCanvas.get(), text, paint, 25, 25); 48 SkAutoTUnref<const SkPicture> picture(recorder.endRecording()); 49 50 canvas.asSkCanvas()->drawPicture(picture); 51 }); 52 53 // verify that the text bounds and matrices match 54 ASSERT_EQ(2U, dl->getOps().size()); 55 auto directOp = dl->getOps()[0]; 56 auto pictureOp = dl->getOps()[1]; 57 ASSERT_EQ(RecordedOpId::TextOp, directOp->opId); 58 EXPECT_EQ(directOp->opId, pictureOp->opId); 59 EXPECT_EQ(directOp->unmappedBounds, pictureOp->unmappedBounds); 60 EXPECT_EQ(directOp->localMatrix, pictureOp->localMatrix); 61} 62