LayerDrawLooperTest.cpp revision 4b413c8bb123e42ca4b9c7bfa6bc2167283cb84c
18f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org/* 28f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org * Copyright 2013 Google Inc. 38f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org * 48f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org * Use of this source code is governed by a BSD-style license that can be 58f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org * found in the LICENSE file. 68f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org */ 7ddf94cf108ae430877f009bd67b9070341426947commit-bot@chromium.org 88f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org#include "Test.h" 98f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org#include "SkBitmap.h" 101f2f338e23789f3eef168dcbd8171a28820ba6c1robertphillips@google.com#include "SkBitmapDevice.h" 118f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org#include "SkCanvas.h" 128f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org#include "SkDraw.h" 138f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org#include "SkLayerDrawLooper.h" 148f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org#include "SkMatrix.h" 158f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org#include "SkPaint.h" 168f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org#include "SkRect.h" 178f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org#include "SkRefCnt.h" 188f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org#include "SkScalar.h" 198f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org#include "SkXfermode.h" 208f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org 211f2f338e23789f3eef168dcbd8171a28820ba6c1robertphillips@google.comclass FakeDevice : public SkBitmapDevice { 228f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.orgpublic: 231f2f338e23789f3eef168dcbd8171a28820ba6c1robertphillips@google.com FakeDevice() : SkBitmapDevice(SkBitmap::kARGB_8888_Config, 100, 100, false) { } 248f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org 257f1af501f206da48a7ff791af53432c9c1c89d08skia.committer@gmail.com virtual void drawRect(const SkDraw& draw, const SkRect& r, 263e2ea2565d12e572a977fa04b4b1996c8eb3fefccommit-bot@chromium.org const SkPaint& paint) SK_OVERRIDE { 278f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org fLastMatrix = *draw.fMatrix; 281f2f338e23789f3eef168dcbd8171a28820ba6c1robertphillips@google.com INHERITED::drawRect(draw, r, paint); 298f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org } 308f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org 318f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org SkMatrix fLastMatrix; 321f2f338e23789f3eef168dcbd8171a28820ba6c1robertphillips@google.com 331f2f338e23789f3eef168dcbd8171a28820ba6c1robertphillips@google.comprivate: 341f2f338e23789f3eef168dcbd8171a28820ba6c1robertphillips@google.com typedef SkBitmapDevice INHERITED; 358f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org}; 368f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org 378f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.orgstatic void test_frontToBack(skiatest::Reporter* reporter) { 388f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org SkAutoTUnref<SkLayerDrawLooper> looper(SkNEW(SkLayerDrawLooper)); 398f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org SkLayerDrawLooper::LayerInfo layerInfo; 408f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org 418f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org // Add the front layer, with the defaults. 428f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org (void)looper->addLayer(layerInfo); 438f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org 448f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org // Add the back layer, with some layer info set. 454b413c8bb123e42ca4b9c7bfa6bc2167283cb84ccommit-bot@chromium.org layerInfo.fOffset.set(10.0f, 20.0f); 468f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org layerInfo.fPaintBits |= SkLayerDrawLooper::kXfermode_Bit; 478f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org SkPaint* layerPaint = looper->addLayer(layerInfo); 488f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org layerPaint->setXfermodeMode(SkXfermode::kSrc_Mode); 498f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org 508f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org FakeDevice device; 518f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org SkCanvas canvas(&device); 528f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org SkPaint paint; 538f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org looper->init(&canvas); 548f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org 558f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org // The back layer should come first. 568f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org REPORTER_ASSERT(reporter, looper->next(&canvas, &paint)); 578f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org REPORTER_ASSERT(reporter, SkXfermode::IsMode(paint.getXfermode(), SkXfermode::kSrc_Mode)); 584b413c8bb123e42ca4b9c7bfa6bc2167283cb84ccommit-bot@chromium.org canvas.drawRect(SkRect::MakeWH(50.0f, 50.0f), paint); 594b413c8bb123e42ca4b9c7bfa6bc2167283cb84ccommit-bot@chromium.org REPORTER_ASSERT(reporter, 10.0f == device.fLastMatrix.getTranslateX()); 604b413c8bb123e42ca4b9c7bfa6bc2167283cb84ccommit-bot@chromium.org REPORTER_ASSERT(reporter, 20.0f == device.fLastMatrix.getTranslateY()); 618f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org paint.reset(); 628f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org 638f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org // Then the front layer. 648f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org REPORTER_ASSERT(reporter, looper->next(&canvas, &paint)); 658f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org REPORTER_ASSERT(reporter, SkXfermode::IsMode(paint.getXfermode(), SkXfermode::kSrcOver_Mode)); 664b413c8bb123e42ca4b9c7bfa6bc2167283cb84ccommit-bot@chromium.org canvas.drawRect(SkRect::MakeWH(50.0f, 50.0f), paint); 674b413c8bb123e42ca4b9c7bfa6bc2167283cb84ccommit-bot@chromium.org REPORTER_ASSERT(reporter, 0.0f == device.fLastMatrix.getTranslateX()); 684b413c8bb123e42ca4b9c7bfa6bc2167283cb84ccommit-bot@chromium.org REPORTER_ASSERT(reporter, 0.0f == device.fLastMatrix.getTranslateY()); 698f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org 708f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org // Only two layers were added, so that should be the end. 718f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org REPORTER_ASSERT(reporter, !looper->next(&canvas, &paint)); 728f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org} 738f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org 748f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.orgstatic void test_backToFront(skiatest::Reporter* reporter) { 758f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org SkAutoTUnref<SkLayerDrawLooper> looper(SkNEW(SkLayerDrawLooper)); 768f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org SkLayerDrawLooper::LayerInfo layerInfo; 778f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org 788f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org // Add the back layer, with the defaults. 798f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org (void)looper->addLayerOnTop(layerInfo); 808f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org 818f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org // Add the front layer, with some layer info set. 824b413c8bb123e42ca4b9c7bfa6bc2167283cb84ccommit-bot@chromium.org layerInfo.fOffset.set(10.0f, 20.0f); 838f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org layerInfo.fPaintBits |= SkLayerDrawLooper::kXfermode_Bit; 848f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org SkPaint* layerPaint = looper->addLayerOnTop(layerInfo); 858f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org layerPaint->setXfermodeMode(SkXfermode::kSrc_Mode); 868f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org 878f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org FakeDevice device; 888f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org SkCanvas canvas(&device); 898f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org SkPaint paint; 908f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org looper->init(&canvas); 918f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org 928f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org // The back layer should come first. 938f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org REPORTER_ASSERT(reporter, looper->next(&canvas, &paint)); 948f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org REPORTER_ASSERT(reporter, SkXfermode::IsMode(paint.getXfermode(), SkXfermode::kSrcOver_Mode)); 954b413c8bb123e42ca4b9c7bfa6bc2167283cb84ccommit-bot@chromium.org canvas.drawRect(SkRect::MakeWH(50.0f, 50.0f), paint); 964b413c8bb123e42ca4b9c7bfa6bc2167283cb84ccommit-bot@chromium.org REPORTER_ASSERT(reporter, 0.0f == device.fLastMatrix.getTranslateX()); 974b413c8bb123e42ca4b9c7bfa6bc2167283cb84ccommit-bot@chromium.org REPORTER_ASSERT(reporter, 0.0f == device.fLastMatrix.getTranslateY()); 988f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org paint.reset(); 998f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org 1008f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org // Then the front layer. 1018f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org REPORTER_ASSERT(reporter, looper->next(&canvas, &paint)); 1028f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org REPORTER_ASSERT(reporter, SkXfermode::IsMode(paint.getXfermode(), SkXfermode::kSrc_Mode)); 1034b413c8bb123e42ca4b9c7bfa6bc2167283cb84ccommit-bot@chromium.org canvas.drawRect(SkRect::MakeWH(50.0f, 50.0f), paint); 1044b413c8bb123e42ca4b9c7bfa6bc2167283cb84ccommit-bot@chromium.org REPORTER_ASSERT(reporter, 10.0f == device.fLastMatrix.getTranslateX()); 1054b413c8bb123e42ca4b9c7bfa6bc2167283cb84ccommit-bot@chromium.org REPORTER_ASSERT(reporter, 20.0f == device.fLastMatrix.getTranslateY()); 1068f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org 1078f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org // Only two layers were added, so that should be the end. 1088f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org REPORTER_ASSERT(reporter, !looper->next(&canvas, &paint)); 1098f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org} 1108f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org 1118f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.orgstatic void test_mixed(skiatest::Reporter* reporter) { 1128f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org SkAutoTUnref<SkLayerDrawLooper> looper(SkNEW(SkLayerDrawLooper)); 1138f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org SkLayerDrawLooper::LayerInfo layerInfo; 1148f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org 1158f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org // Add the back layer, with the defaults. 1168f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org (void)looper->addLayer(layerInfo); 1178f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org 1188f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org // Add the front layer, with some layer info set. 1194b413c8bb123e42ca4b9c7bfa6bc2167283cb84ccommit-bot@chromium.org layerInfo.fOffset.set(10.0f, 20.0f); 1208f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org layerInfo.fPaintBits |= SkLayerDrawLooper::kXfermode_Bit; 1218f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org SkPaint* layerPaint = looper->addLayerOnTop(layerInfo); 1228f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org layerPaint->setXfermodeMode(SkXfermode::kSrc_Mode); 1238f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org 1248f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org FakeDevice device; 1258f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org SkCanvas canvas(&device); 1268f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org SkPaint paint; 1278f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org looper->init(&canvas); 1288f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org 1298f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org // The back layer should come first. 1308f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org REPORTER_ASSERT(reporter, looper->next(&canvas, &paint)); 1318f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org REPORTER_ASSERT(reporter, SkXfermode::IsMode(paint.getXfermode(), SkXfermode::kSrcOver_Mode)); 1324b413c8bb123e42ca4b9c7bfa6bc2167283cb84ccommit-bot@chromium.org canvas.drawRect(SkRect::MakeWH(50.0f, 50.0f), paint); 1334b413c8bb123e42ca4b9c7bfa6bc2167283cb84ccommit-bot@chromium.org REPORTER_ASSERT(reporter, 0.0f == device.fLastMatrix.getTranslateX()); 1344b413c8bb123e42ca4b9c7bfa6bc2167283cb84ccommit-bot@chromium.org REPORTER_ASSERT(reporter, 0.0f == device.fLastMatrix.getTranslateY()); 1358f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org paint.reset(); 1368f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org 1378f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org // Then the front layer. 1388f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org REPORTER_ASSERT(reporter, looper->next(&canvas, &paint)); 1398f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org REPORTER_ASSERT(reporter, SkXfermode::IsMode(paint.getXfermode(), SkXfermode::kSrc_Mode)); 1404b413c8bb123e42ca4b9c7bfa6bc2167283cb84ccommit-bot@chromium.org canvas.drawRect(SkRect::MakeWH(50.0f, 50.0f), paint); 1414b413c8bb123e42ca4b9c7bfa6bc2167283cb84ccommit-bot@chromium.org REPORTER_ASSERT(reporter, 10.0f == device.fLastMatrix.getTranslateX()); 1424b413c8bb123e42ca4b9c7bfa6bc2167283cb84ccommit-bot@chromium.org REPORTER_ASSERT(reporter, 20.0f == device.fLastMatrix.getTranslateY()); 1438f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org 1448f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org // Only two layers were added, so that should be the end. 1458f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org REPORTER_ASSERT(reporter, !looper->next(&canvas, &paint)); 1468f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org} 1478f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org 1488f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.orgstatic void TestLayerDrawLooper(skiatest::Reporter* reporter) { 1498f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org test_frontToBack(reporter); 1508f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org test_backToFront(reporter); 1518f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org test_mixed(reporter); 1528f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org} 1538f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org 1548f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org#include "TestClassDef.h" 1558f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.orgDEFINE_TESTCLASS("LayerDrawLooper", TestLayerDrawLooperClass, TestLayerDrawLooper) 156