зеркало из https://github.com/mozilla/moz-skia.git
48 строки
1.5 KiB
C++
48 строки
1.5 KiB
C++
/*
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* Copyright 2013 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkBitmap.h"
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#include "Test.h"
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static void test_bigwidth(skiatest::Reporter* reporter) {
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SkBitmap bm;
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int width = 1 << 29; // *4 will be the high-bit of 32bit int
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REPORTER_ASSERT(reporter, bm.setConfig(SkBitmap::kA8_Config, width, 1));
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REPORTER_ASSERT(reporter, bm.setConfig(SkBitmap::kRGB_565_Config, width, 1));
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// for a 4-byte config, this width will compute a rowbytes of 0x80000000,
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// which does not fit in a int32_t. setConfig should detect this, and fail.
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// TODO: perhaps skia can relax this, and only require that rowBytes fit
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// in a uint32_t (or larger), but for now this is the constraint.
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REPORTER_ASSERT(reporter, !bm.setConfig(SkBitmap::kARGB_8888_Config, width, 1));
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}
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/**
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* This test contains basic sanity checks concerning bitmaps.
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*/
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DEF_TEST(Bitmap, reporter) {
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const SkBitmap::Config conf = SkBitmap::kARGB_8888_Config;
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// Zero-sized bitmaps are allowed
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for (int width = 0; width < 2; ++width) {
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for (int height = 0; height < 2; ++height) {
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SkBitmap bm;
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bool setConf = bm.setConfig(conf, width, height);
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REPORTER_ASSERT(reporter, setConf);
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if (setConf) {
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REPORTER_ASSERT(reporter, bm.allocPixels(NULL));
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}
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REPORTER_ASSERT(reporter, SkToBool(width & height) != bm.empty());
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}
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}
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test_bigwidth(reporter);
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}
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