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/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkData.h"
#include "SkGraphics.h"
#include "SkImageGenerator.h"
#include "Test.h"
static bool gMyFactoryWasCalled;
static SkImageGenerator* my_factory(SkData*) {
gMyFactoryWasCalled = true;
return nullptr;
}
static void test_imagegenerator_factory(skiatest::Reporter* reporter) {
// just need a non-empty data to test things
sk_sp<SkData> data(SkData::MakeWithCString("test_imagegenerator_factory"));
gMyFactoryWasCalled = false;
SkImageGenerator* gen;
REPORTER_ASSERT(reporter, !gMyFactoryWasCalled);
gen = SkImageGenerator::NewFromEncoded(data.get());
REPORTER_ASSERT(reporter, nullptr == gen);
REPORTER_ASSERT(reporter, !gMyFactoryWasCalled);
// Test is racy, in that it hopes no other thread is changing this global...
SkGraphics::ImageGeneratorFromEncodedFactory prev =
SkGraphics::SetImageGeneratorFromEncodedFactory(my_factory);
gen = SkImageGenerator::NewFromEncoded(data.get());
REPORTER_ASSERT(reporter, nullptr == gen);
REPORTER_ASSERT(reporter, gMyFactoryWasCalled);
SkGraphics::SetImageGeneratorFromEncodedFactory(prev);
}
class MyImageGenerator : public SkImageGenerator {
public:
MyImageGenerator() : SkImageGenerator(SkImageInfo::MakeN32Premul(0, 0)) {}
};
DEF_TEST(ImageGenerator, reporter) {
MyImageGenerator ig;
SkYUVSizeInfo sizeInfo;
sizeInfo.fSizes[SkYUVSizeInfo::kY] = SkISize::Make(200, 200);
sizeInfo.fSizes[SkYUVSizeInfo::kU] = SkISize::Make(100, 100);
sizeInfo.fSizes[SkYUVSizeInfo::kV] = SkISize::Make( 50, 50);
sizeInfo.fWidthBytes[SkYUVSizeInfo::kY] = 0;
sizeInfo.fWidthBytes[SkYUVSizeInfo::kU] = 0;
sizeInfo.fWidthBytes[SkYUVSizeInfo::kV] = 0;
void* planes[3] = { nullptr };
SkYUVColorSpace colorSpace;
// Check that the YUV decoding API does not cause any crashes
ig.queryYUV8(&sizeInfo, nullptr);
ig.queryYUV8(&sizeInfo, &colorSpace);
sizeInfo.fWidthBytes[SkYUVSizeInfo::kY] = 250;
sizeInfo.fWidthBytes[SkYUVSizeInfo::kU] = 250;
sizeInfo.fWidthBytes[SkYUVSizeInfo::kV] = 250;
int dummy;
planes[SkYUVSizeInfo::kY] = planes[SkYUVSizeInfo::kU] = planes[SkYUVSizeInfo::kV] = &dummy;
ig.getYUV8Planes(sizeInfo, planes);
// Suppressed due to https://code.google.com/p/skia/issues/detail?id=4339
if (false) {
test_imagegenerator_factory(reporter);
}
}
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