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 10 #include "Test.h" 11 12 static void test_bigwidth(skiatest::Reporter* reporter) { 13 SkBitmap bm; 14 int width = 1 << 29; // *4 will be the high-bit of 32bit int 15 16 SkImageInfo info = SkImageInfo::MakeA8(width, 1); 17 REPORTER_ASSERT(reporter, bm.setInfo(info)); 18 info.fColorType = kRGB_565_SkColorType; 19 REPORTER_ASSERT(reporter, bm.setInfo(info)); 20 21 // for a 4-byte config, this width will compute a rowbytes of 0x80000000, 22 // which does not fit in a int32_t. setConfig should detect this, and fail. 23 24 // TODO: perhaps skia can relax this, and only require that rowBytes fit 25 // in a uint32_t (or larger), but for now this is the constraint. 26 27 info.fColorType = kN32_SkColorType; 28 REPORTER_ASSERT(reporter, !bm.setInfo(info)); 29 } 30 31 /** 32 * This test contains basic sanity checks concerning bitmaps. 33 */ 34 DEF_TEST(Bitmap, reporter) { 35 // Zero-sized bitmaps are allowed 36 for (int width = 0; width < 2; ++width) { 37 for (int height = 0; height < 2; ++height) { 38 SkBitmap bm; 39 bool setConf = bm.setInfo(SkImageInfo::MakeN32Premul(width, height)); 40 REPORTER_ASSERT(reporter, setConf); 41 if (setConf) { 42 REPORTER_ASSERT(reporter, bm.allocPixels(NULL)); 43 } 44 REPORTER_ASSERT(reporter, SkToBool(width & height) != bm.empty()); 45 } 46 } 47 48 test_bigwidth(reporter); 49 } 50
