moz-skia/dm/DMExpectations.h

47 строки
1.2 KiB
C++

#ifndef DMExpectations_DEFINED
#define DMExpectations_DEFINED
#include "DMTask.h"
#include "gm_expectations.h"
namespace DM {
struct Expectations {
virtual ~Expectations() {}
// Return true if bitmap is the correct output for task, else false.
virtual bool check(const Task& task, SkBitmap bitmap) const = 0;
};
class NoExpectations : public Expectations {
public:
NoExpectations() {}
bool check(const Task&, SkBitmap) const SK_OVERRIDE { return true; }
};
class JsonExpectations : public Expectations {
public:
explicit JsonExpectations(const char* path) : fGMExpectations(path) {}
bool check(const Task& task, SkBitmap bitmap) const SK_OVERRIDE {
SkString filename = task.name();
filename.append(".png");
const skiagm::Expectations expectations = fGMExpectations.get(filename.c_str());
if (expectations.ignoreFailure() || expectations.empty()) {
return true;
}
// Delay this calculation as long as possible. It's expensive.
const skiagm::GmResultDigest digest(bitmap);
return expectations.match(digest);
}
private:
skiagm::JsonExpectationsSource fGMExpectations;
};
} // namespace DM
#endif // DMExpectations_DEFINED