1 /* 2 * Copyright 2013 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 "SkBitmap.h" 9 #include "SkCanvas.h" 10 #include "SkDocument.h" 11 #include "SkImageInfo.h" 12 #include "SkPixelRef.h" 13 #include "SkRefCnt.h" 14 #include "SkStream.h" 15 16 #include "Test.h" 17 18 namespace { 19 20 // SkPixelRef which fails to lock, as a lazy pixel ref might if its pixels 21 // cannot be generated. 22 class InvalidPixelRef : public SkPixelRef { 23 public: 24 InvalidPixelRef(const SkImageInfo& info) : SkPixelRef(info) {} 25 private: 26 bool onNewLockPixels(LockRec*) override { return false; } 27 void onUnlockPixels() override { 28 SkDEBUGFAIL("InvalidPixelRef can't be locked"); 29 } 30 }; 31 32 SkBitmap make_invalid_bitmap(const SkImageInfo& imageInfo) { 33 SkBitmap bitmap; 34 bitmap.setInfo(imageInfo); 35 bitmap.setPixelRef(new InvalidPixelRef(imageInfo))->unref(); 36 return bitmap; 37 } 38 39 SkBitmap make_invalid_bitmap(SkColorType colorType) { 40 return make_invalid_bitmap( 41 SkImageInfo::Make(100, 100, colorType, kPremul_SkAlphaType)); 42 } 43 44 } // namespace 45 46 DEF_TEST(PDFInvalidBitmap, reporter) { 47 SkDynamicMemoryWStream stream; 48 SkAutoTUnref<SkDocument> document(SkDocument::CreatePDF(&stream)); 49 SkCanvas* canvas = document->beginPage(100, 100); 50 51 canvas->drawBitmap(SkBitmap(), 0, 0); 52 canvas->drawBitmap(make_invalid_bitmap(SkImageInfo()), 0, 0); 53 canvas->drawBitmap(make_invalid_bitmap(kN32_SkColorType), 0, 0); 54 canvas->drawBitmap(make_invalid_bitmap(kIndex_8_SkColorType), 0, 0); 55 canvas->drawBitmap(make_invalid_bitmap(kARGB_4444_SkColorType), 0, 0); 56 canvas->drawBitmap(make_invalid_bitmap(kRGB_565_SkColorType), 0, 0); 57 canvas->drawBitmap(make_invalid_bitmap(kAlpha_8_SkColorType), 0, 0); 58 59 // This test passes if it does not crash. 60 } 61
