1 /* 2 * Copyright 2014 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 */ 7 8 #include "SkBBHFactory.h" 9 #include "SkCanvas.h" 10 #include "SkPictureRecorder.h" 11 #include "SkPictureStateTree.h" 12 #include "Test.h" 13 14 static SkPicture* draw_scene(SkBBHFactory* bbhFactory) { 15 SkPictureRecorder recorder; 16 SkCanvas* canvas = recorder.beginRecording(200, 200, bbhFactory, 0); 17 18 SkPaint p1, p2; 19 p1.setStyle(SkPaint::kFill_Style); 20 p1.setARGB(0x80, 0, 0xff, 0); 21 p2.setStyle(SkPaint::kFill_Style); 22 p2.setARGB(0x80, 0xff, 0, 0); 23 24 canvas->drawColor(SK_ColorWHITE); 25 26 // This is intended to exercise some tricky SkPictureStateTree code paths when 27 // played back with various clips: 28 // 29 // * cleanup/rewind when the last draw is not at the root of the state tree. 30 // * state nodes with both kSave_Flag & kSaveLayer_Flag set. 31 // * state tree transitions which implicitly reset the matrix via. restore(). 32 33 canvas->save(); 34 canvas->translate(10, 10); 35 36 canvas->drawRect(SkRect::MakeWH(100, 50), p1); 37 canvas->drawRect(SkRect::MakeWH(50, 100), p2); 38 39 SkRect layerBounds = SkRect::MakeXYWH(0, 0, 90, 90); 40 canvas->saveLayer(&layerBounds, NULL); 41 canvas->save(); 42 canvas->clipRect(layerBounds); 43 44 canvas->save(); 45 canvas->clipRect(SkRect::MakeWH(25, 25)); 46 canvas->rotate(90); 47 canvas->drawRect(SkRect::MakeWH(100, 50), p1); 48 canvas->restore(); 49 50 canvas->save(); 51 canvas->clipRect(SkRect::MakeWH(25, 25)); 52 canvas->save(); 53 canvas->rotate(90); 54 canvas->drawRect(SkRect::MakeWH(50, 100), p2); 55 canvas->restore(); 56 canvas->drawRect(SkRect::MakeWH(100, 50), p1); 57 canvas->restore(); 58 canvas->drawRect(SkRect::MakeXYWH(99, 99, 1, 1), p1); 59 canvas->restore(); 60 canvas->restore(); 61 62 canvas->restore(); 63 64 return recorder.endRecording(); 65 } 66 67 static void check_bms(skiatest::Reporter* reporter, const SkBitmap& bm1, const SkBitmap& bm2) { 68 SkASSERT(bm1.getSize() == bm2.getSize()); 69 REPORTER_ASSERT(reporter, 0 == memcmp(bm1.getAddr(0, 0), bm2.getAddr(0, 0), bm1.getSize())); 70 } 71 72 static void test_reference_picture(skiatest::Reporter* reporter) { 73 SkRTreeFactory bbhFactory; 74 75 SkAutoTUnref<SkPicture> bbhPicture(draw_scene(&bbhFactory)); 76 SkAutoTUnref<SkPicture> referencePicture(draw_scene(NULL)); 77 78 SkBitmap referenceBitmap; 79 referenceBitmap.allocN32Pixels(100, 100); 80 SkCanvas referenceCanvas(referenceBitmap); 81 82 SkBitmap bbhBitmap; 83 bbhBitmap.allocN32Pixels(100, 100); 84 SkCanvas bbhCanvas(bbhBitmap); 85 86 referenceCanvas.drawColor(SK_ColorTRANSPARENT); 87 referenceCanvas.drawPicture(referencePicture.get()); 88 bbhCanvas.drawColor(SK_ColorTRANSPARENT); 89 bbhCanvas.drawPicture(bbhPicture.get()); 90 REPORTER_ASSERT(reporter, 91 referenceCanvas.getSaveCount() == bbhCanvas.getSaveCount()); 92 REPORTER_ASSERT(reporter, 93 referenceCanvas.getTotalMatrix() == bbhCanvas.getTotalMatrix()); 94 check_bms(reporter, referenceBitmap, bbhBitmap); 95 96 referenceCanvas.drawColor(SK_ColorTRANSPARENT); 97 referenceCanvas.clipRect(SkRect::MakeWH(50, 50)); 98 referenceCanvas.drawPicture(referencePicture.get()); 99 bbhCanvas.drawColor(SK_ColorTRANSPARENT); 100 bbhCanvas.clipRect(SkRect::MakeWH(50, 50)); 101 bbhCanvas.drawPicture(bbhPicture.get()); 102 REPORTER_ASSERT(reporter, 103 referenceCanvas.getSaveCount() == bbhCanvas.getSaveCount()); 104 REPORTER_ASSERT(reporter, 105 referenceCanvas.getTotalMatrix() == bbhCanvas.getTotalMatrix()); 106 check_bms(reporter, referenceBitmap, bbhBitmap); 107 108 referenceCanvas.drawColor(SK_ColorTRANSPARENT); 109 referenceCanvas.clipRect(SkRect::MakeWH(10, 10)); 110 referenceCanvas.drawPicture(referencePicture.get()); 111 bbhCanvas.drawColor(SK_ColorTRANSPARENT); 112 bbhCanvas.clipRect(SkRect::MakeWH(10, 10)); 113 bbhCanvas.drawPicture(bbhPicture.get()); 114 REPORTER_ASSERT(reporter, 115 referenceCanvas.getSaveCount() == bbhCanvas.getSaveCount()); 116 REPORTER_ASSERT(reporter, 117 referenceCanvas.getTotalMatrix() == bbhCanvas.getTotalMatrix()); 118 check_bms(reporter, referenceBitmap, bbhBitmap); 119 } 120 121 DEF_TEST(PictureStateTree, reporter) { 122 test_reference_picture(reporter); 123 } 124
