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:
InvalidPixelRef(const SkImageInfo & info)24 InvalidPixelRef(const SkImageInfo& info) : SkPixelRef(info) {}
25 private:
onNewLockPixels(LockRec *)26 bool onNewLockPixels(LockRec*) override { return false; }
onUnlockPixels()27 void onUnlockPixels() override {
28 SkDEBUGFAIL("InvalidPixelRef can't be locked");
29 }
30 };
31
make_invalid_bitmap(const SkImageInfo & imageInfo)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
make_invalid_bitmap(SkColorType colorType)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
DEF_TEST(PDFInvalidBitmap,reporter)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