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/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/*
* Error codes used by gmmain.cpp.
*/
#ifndef gm_error_DEFINED
#define gm_error_DEFINED
#include "gm.h"
namespace skiagm {
/**
* The complete list of error types we might encounter in GM.
*/
enum ErrorType {
// Even though kNoGpuContext_ErrorType only occurs when SK_SUPPORT_GPU
// is turned on, we always include this type in our enum so that
// reports will be consistent whether SK_SUPPORT_GPU is turned on
// or off (as long as the number of these errors is 0).
kNoGpuContext_ErrorType,
kImageMismatch_ErrorType,
kMissingExpectations_ErrorType,
kWritingReferenceImage_ErrorType,
kLast_ErrorType = kWritingReferenceImage_ErrorType
};
/**
* Returns the name of the given ErrorType.
*/
const char *getErrorTypeName(ErrorType type) {
switch(type) {
case kNoGpuContext_ErrorType:
return "NoGpuContext";
case kImageMismatch_ErrorType:
return "ImageMismatch";
case kMissingExpectations_ErrorType:
return "MissingExpectations";
case kWritingReferenceImage_ErrorType:
return "WritingReferenceImage";
}
// control should never reach here
SkDEBUGFAIL("getErrorTypeName() called with unknown type");
return "Unknown";
}
/**
* A combination of 0 or more ErrorTypes.
*/
class ErrorCombination {
public:
ErrorCombination() : fBitfield(0) {}
ErrorCombination(const ErrorType type) : fBitfield(1 << type) {}
/**
* Returns true iff there are NO errors.
*/
bool isEmpty() const {
return (0 == this->fBitfield);
}
/**
* Adds this ErrorType to this ErrorCombination.
*/
void add(const ErrorType type) {
this->fBitfield |= (1 << type);
}
/**
* Adds all ErrorTypes in "other" to this ErrorCombination.
*/
void add(const ErrorCombination other) {
this->fBitfield |= other.fBitfield;
}
/**
* Returns true iff this ErrorCombination includes this ErrorType.
*/
bool includes(const ErrorType type) const {
return !(0 == (this->fBitfield & (1 << type)));
}
/**
* Returns a new ErrorCombination, which includes the union of all
* ErrorTypes in two ErrorCombination objects (this and other).
*/
ErrorCombination plus(const ErrorCombination& other) const {
ErrorCombination retval;
retval.fBitfield = this->fBitfield | other.fBitfield;
return retval;
}
/**
* Returns a new ErrorCombination, which is a copy of "this"
* but with all ErrorTypes in "other" removed.
*/
ErrorCombination minus(const ErrorCombination& other) const {
ErrorCombination retval;
retval.fBitfield = this->fBitfield & ~(other.fBitfield);
return retval;
}
private:
int fBitfield;
};
// No errors at all.
const static ErrorCombination kEmpty_ErrorCombination;
}
#endif // ifndef gm_error_DEFINED
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