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#include "Test.h"
#include "SkClipStack.h"
static void assert_count(skiatest::Reporter* reporter, const SkClipStack& stack,
int count) {
REPORTER_ASSERT(reporter, count == stack.getSaveCount());
SkClipStack::B2FIter iter(stack);
int counter = 0;
while (iter.next()) {
counter += 1;
}
REPORTER_ASSERT(reporter, count == counter);
}
static void TestClipStack(skiatest::Reporter* reporter) {
SkClipStack stack;
assert_count(reporter, stack, 0);
static const SkIRect gRects[] = {
{ 0, 0, 100, 100 },
{ 25, 25, 125, 125 },
{ 0, 0, 1000, 1000 },
{ 0, 0, 75, 75 }
};
for (size_t i = 0; i < SK_ARRAY_COUNT(gRects); i++) {
stack.clipDevRect(gRects[i]);
}
// all of the above rects should have been intersected, leaving only 1 rect
SkClipStack::B2FIter iter(stack);
const SkClipStack::B2FIter::Clip* clip = iter.next();
const SkRect answer = { 25, 25, 75, 75 };
REPORTER_ASSERT(reporter, clip);
REPORTER_ASSERT(reporter, clip->fRect);
REPORTER_ASSERT(reporter, !clip->fPath);
REPORTER_ASSERT(reporter, SkRegion::kIntersect_Op == clip->fOp);
REPORTER_ASSERT(reporter, *clip->fRect == answer);
// now check that we only had one in our iterator
REPORTER_ASSERT(reporter, !iter.next());
stack.reset();
assert_count(reporter, stack, 0);
}
#include "TestClassDef.h"
DEFINE_TESTCLASS("ClipStack", TestClipStackClass, TestClipStack)
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