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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "SkBitmap.h" | 8 #include "SkBitmap.h" |
9 | 9 |
10 #include "Test.h" | 10 #include "Test.h" |
11 | 11 |
12 static void test_bigwidth(skiatest::Reporter* reporter) { | 12 static void test_bigwidth(skiatest::Reporter* reporter) { |
13 SkBitmap bm; | 13 SkBitmap bm; |
14 int width = 1 << 29; // *4 will be the high-bit of 32bit int | 14 int width = 1 << 29; // *4 will be the high-bit of 32bit int |
15 | 15 |
16 SkImageInfo info = SkImageInfo::Make(width, 1, kAlpha_8_SkColorType, | 16 SkImageInfo info = SkImageInfo::Make(width, 1, kAlpha_8_SkColorType, |
17 kPremul_SkAlphaType); | 17 kPremul_SkAlphaType); |
18 REPORTER_ASSERT(reporter, bm.setConfig(info)); | 18 REPORTER_ASSERT(reporter, bm.setConfig(info)); |
19 info.fColorType = kRGB_565_SkColorType; | 19 info.fColorType = kRGB_565_SkColorType; |
20 REPORTER_ASSERT(reporter, bm.setConfig(info)); | 20 REPORTER_ASSERT(reporter, bm.setConfig(info)); |
21 | 21 |
22 // for a 4-byte config, this width will compute a rowbytes of 0x80000000, | 22 // for a 4-byte config, this width will compute a rowbytes of 0x80000000, |
23 // which does not fit in a int32_t. setConfig should detect this, and fail. | 23 // which does not fit in a int32_t. setConfig should detect this, and fail. |
24 | 24 |
25 // TODO: perhaps skia can relax this, and only require that rowBytes fit | 25 // TODO: perhaps skia can relax this, and only require that rowBytes fit |
26 // in a uint32_t (or larger), but for now this is the constraint. | 26 // in a uint32_t (or larger), but for now this is the constraint. |
27 | 27 |
28 info.fColorType = kN32_SkColorType; | 28 info.fColorType = kPMColor_SkColorType; |
29 REPORTER_ASSERT(reporter, !bm.setConfig(info)); | 29 REPORTER_ASSERT(reporter, !bm.setConfig(info)); |
30 } | 30 } |
31 | 31 |
32 /** | 32 /** |
33 * This test contains basic sanity checks concerning bitmaps. | 33 * This test contains basic sanity checks concerning bitmaps. |
34 */ | 34 */ |
35 DEF_TEST(Bitmap, reporter) { | 35 DEF_TEST(Bitmap, reporter) { |
36 // Zero-sized bitmaps are allowed | 36 // Zero-sized bitmaps are allowed |
37 for (int width = 0; width < 2; ++width) { | 37 for (int width = 0; width < 2; ++width) { |
38 for (int height = 0; height < 2; ++height) { | 38 for (int height = 0; height < 2; ++height) { |
39 SkBitmap bm; | 39 SkBitmap bm; |
40 bool setConf = bm.setConfig(SkImageInfo::MakeN32Premul(width, | 40 bool setConf = bm.setConfig(SkImageInfo::MakeN32Premul(width, |
41 height)); | 41 height)); |
42 REPORTER_ASSERT(reporter, setConf); | 42 REPORTER_ASSERT(reporter, setConf); |
43 if (setConf) { | 43 if (setConf) { |
44 REPORTER_ASSERT(reporter, bm.allocPixels(NULL)); | 44 REPORTER_ASSERT(reporter, bm.allocPixels(NULL)); |
45 } | 45 } |
46 REPORTER_ASSERT(reporter, SkToBool(width & height) != bm.empty()); | 46 REPORTER_ASSERT(reporter, SkToBool(width & height) != bm.empty()); |
47 } | 47 } |
48 } | 48 } |
49 | 49 |
50 test_bigwidth(reporter); | 50 test_bigwidth(reporter); |
51 } | 51 } |
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