1 2 /* 3 * Copyright 2011 Google Inc. 4 * 5 * Use of this source code is governed by a BSD-style license that can be 6 * found in the LICENSE file. 7 */ 8 #include "Test.h" 9 #include "SkColor.h" 10 #include "SkXfermode.h" 11 12 static SkPMColor bogusXfermodeProc(SkPMColor src, SkPMColor dst) { 13 return 42; 14 } 15 16 #define ILLEGAL_MODE ((SkXfermode::Mode)-1) 17 18 static void test_asMode(skiatest::Reporter* reporter) { 19 for (int mode = 0; mode <= SkXfermode::kLastMode; mode++) { 20 SkXfermode* xfer = SkXfermode::Create((SkXfermode::Mode) mode); 21 22 SkXfermode::Mode reportedMode = ILLEGAL_MODE; 23 REPORTER_ASSERT(reporter, reportedMode != mode); 24 25 // test IsMode 26 REPORTER_ASSERT(reporter, SkXfermode::IsMode(xfer, &reportedMode)); 27 REPORTER_ASSERT(reporter, reportedMode == mode); 28 29 // repeat that test, but with asMode instead 30 if (xfer) { 31 reportedMode = (SkXfermode::Mode) -1; 32 REPORTER_ASSERT(reporter, xfer->asMode(&reportedMode)); 33 REPORTER_ASSERT(reporter, reportedMode == mode); 34 xfer->unref(); 35 } else { 36 REPORTER_ASSERT(reporter, SkXfermode::kSrcOver_Mode == mode); 37 } 38 } 39 40 SkXfermode* bogusXfer = new SkProcXfermode(bogusXfermodeProc); 41 SkXfermode::Mode reportedMode = ILLEGAL_MODE; 42 REPORTER_ASSERT(reporter, !bogusXfer->asMode(&reportedMode)); 43 REPORTER_ASSERT(reporter, reportedMode == ILLEGAL_MODE); 44 REPORTER_ASSERT(reporter, !SkXfermode::IsMode(bogusXfer, &reportedMode)); 45 REPORTER_ASSERT(reporter, reportedMode == ILLEGAL_MODE); 46 bogusXfer->unref(); 47 } 48 49 static void test_IsMode(skiatest::Reporter* reporter) { 50 REPORTER_ASSERT(reporter, SkXfermode::IsMode(NULL, 51 SkXfermode::kSrcOver_Mode)); 52 53 for (int i = 0; i <= SkXfermode::kLastMode; ++i) { 54 SkXfermode::Mode mode = (SkXfermode::Mode)i; 55 56 SkXfermode* xfer = SkXfermode::Create(mode); 57 REPORTER_ASSERT(reporter, SkXfermode::IsMode(xfer, mode)); 58 SkSafeUnref(xfer); 59 60 if (SkXfermode::kSrcOver_Mode != mode) { 61 REPORTER_ASSERT(reporter, !SkXfermode::IsMode(NULL, mode)); 62 } 63 } 64 } 65 66 static void test_xfermodes(skiatest::Reporter* reporter) { 67 test_asMode(reporter); 68 test_IsMode(reporter); 69 } 70 71 #include "TestClassDef.h" 72 DEFINE_TESTCLASS("Xfermode", XfermodeTestClass, test_xfermodes) 73
