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| 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 virtual bool onNewLockPixels(LockRec*) SK_OVERRIDE { return false; } |
| 27 virtual void onUnlockPixels() SK_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(SkNEW_ARGS(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 } |
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