| /* |
| * Copyright 2011 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| #include "skdiff.h" |
| #include "skdiff_html.h" |
| #include "skdiff_utils.h" |
| #include "SkBitmap.h" |
| #include "SkData.h" |
| #include "SkForceLinking.h" |
| #include "SkImageDecoder.h" |
| #include "SkImageEncoder.h" |
| #include "SkOSFile.h" |
| #include "SkStream.h" |
| #include "SkTDArray.h" |
| #include "SkTSearch.h" |
| |
| #include <stdlib.h> |
| |
| __SK_FORCE_IMAGE_DECODER_LINKING; |
| |
| /** |
| * skdiff |
| * |
| * Given three directory names, expects to find identically-named files in |
| * each of the first two; the first are treated as a set of baseline, |
| * the second a set of variant images, and a diff image is written into the |
| * third directory for each pair. |
| * Creates an index.html in the current third directory to compare each |
| * pair that does not match exactly. |
| * Recursively descends directories, unless run with --norecurse. |
| * |
| * Returns zero exit code if all images match across baseDir and comparisonDir. |
| */ |
| |
| typedef SkTDArray<SkString*> StringArray; |
| typedef StringArray FileArray; |
| |
| static void add_unique_basename(StringArray* array, const SkString& filename) { |
| // trim off dirs |
| const char* src = filename.c_str(); |
| const char* trimmed = strrchr(src, SkPATH_SEPARATOR); |
| if (trimmed) { |
| trimmed += 1; // skip the separator |
| } else { |
| trimmed = src; |
| } |
| const char* end = strrchr(trimmed, '.'); |
| if (!end) { |
| end = trimmed + strlen(trimmed); |
| } |
| SkString result(trimmed, end - trimmed); |
| |
| // only add unique entries |
| for (int i = 0; i < array->count(); ++i) { |
| if (*array->getAt(i) == result) { |
| return; |
| } |
| } |
| *array->append() = new SkString(result); |
| } |
| |
| struct DiffSummary { |
| DiffSummary () |
| : fNumMatches(0) |
| , fNumMismatches(0) |
| , fMaxMismatchV(0) |
| , fMaxMismatchPercent(0) { }; |
| |
| ~DiffSummary() { |
| for (int i = 0; i < DiffRecord::kResultCount; ++i) { |
| fResultsOfType[i].deleteAll(); |
| } |
| for (int base = 0; base < DiffResource::kStatusCount; ++base) { |
| for (int comparison = 0; comparison < DiffResource::kStatusCount; ++comparison) { |
| fStatusOfType[base][comparison].deleteAll(); |
| } |
| } |
| } |
| |
| uint32_t fNumMatches; |
| uint32_t fNumMismatches; |
| uint32_t fMaxMismatchV; |
| float fMaxMismatchPercent; |
| |
| FileArray fResultsOfType[DiffRecord::kResultCount]; |
| FileArray fStatusOfType[DiffResource::kStatusCount][DiffResource::kStatusCount]; |
| |
| StringArray fFailedBaseNames[DiffRecord::kResultCount]; |
| |
| void printContents(const FileArray& fileArray, |
| const char* baseStatus, const char* comparisonStatus, |
| bool listFilenames) { |
| int n = fileArray.count(); |
| printf("%d file pairs %s in baseDir and %s in comparisonDir", |
| n, baseStatus, comparisonStatus); |
| if (listFilenames) { |
| printf(": "); |
| for (int i = 0; i < n; ++i) { |
| printf("%s ", fileArray[i]->c_str()); |
| } |
| } |
| printf("\n"); |
| } |
| |
| void printStatus(bool listFilenames, |
| bool failOnStatusType[DiffResource::kStatusCount] |
| [DiffResource::kStatusCount]) { |
| typedef DiffResource::Status Status; |
| |
| for (int base = 0; base < DiffResource::kStatusCount; ++base) { |
| Status baseStatus = static_cast<Status>(base); |
| for (int comparison = 0; comparison < DiffResource::kStatusCount; ++comparison) { |
| Status comparisonStatus = static_cast<Status>(comparison); |
| const FileArray& fileArray = fStatusOfType[base][comparison]; |
| if (fileArray.count() > 0) { |
| if (failOnStatusType[base][comparison]) { |
| printf(" [*] "); |
| } else { |
| printf(" [_] "); |
| } |
| printContents(fileArray, |
| DiffResource::getStatusDescription(baseStatus), |
| DiffResource::getStatusDescription(comparisonStatus), |
| listFilenames); |
| } |
| } |
| } |
| } |
| |
| // Print a line about the contents of this FileArray to stdout. |
| void printContents(const FileArray& fileArray, const char* headerText, bool listFilenames) { |
| int n = fileArray.count(); |
| printf("%d file pairs %s", n, headerText); |
| if (listFilenames) { |
| printf(": "); |
| for (int i = 0; i < n; ++i) { |
| printf("%s ", fileArray[i]->c_str()); |
| } |
| } |
| printf("\n"); |
| } |
| |
| void print(bool listFilenames, bool failOnResultType[DiffRecord::kResultCount], |
| bool failOnStatusType[DiffResource::kStatusCount] |
| [DiffResource::kStatusCount]) { |
| printf("\ncompared %d file pairs:\n", fNumMatches + fNumMismatches); |
| for (int resultInt = 0; resultInt < DiffRecord::kResultCount; ++resultInt) { |
| DiffRecord::Result result = static_cast<DiffRecord::Result>(resultInt); |
| if (failOnResultType[result]) { |
| printf("[*] "); |
| } else { |
| printf("[_] "); |
| } |
| printContents(fResultsOfType[result], DiffRecord::getResultDescription(result), |
| listFilenames); |
| if (DiffRecord::kCouldNotCompare_Result == result) { |
| printStatus(listFilenames, failOnStatusType); |
| } |
| } |
| printf("(results marked with [*] will cause nonzero return value)\n"); |
| printf("\nnumber of mismatching file pairs: %d\n", fNumMismatches); |
| if (fNumMismatches > 0) { |
| printf("Maximum pixel intensity mismatch %d\n", fMaxMismatchV); |
| printf("Largest area mismatch was %.2f%% of pixels\n",fMaxMismatchPercent); |
| } |
| } |
| |
| void printfFailingBaseNames(const char separator[]) { |
| for (int resultInt = 0; resultInt < DiffRecord::kResultCount; ++resultInt) { |
| const StringArray& array = fFailedBaseNames[resultInt]; |
| if (array.count()) { |
| printf("%s [%d]%s", DiffRecord::ResultNames[resultInt], array.count(), separator); |
| for (int j = 0; j < array.count(); ++j) { |
| printf("%s%s", array[j]->c_str(), separator); |
| } |
| printf("\n"); |
| } |
| } |
| } |
| |
| void add (DiffRecord* drp) { |
| uint32_t mismatchValue; |
| |
| if (drp->fBase.fFilename.equals(drp->fComparison.fFilename)) { |
| fResultsOfType[drp->fResult].push(new SkString(drp->fBase.fFilename)); |
| } else { |
| SkString* blame = new SkString("("); |
| blame->append(drp->fBase.fFilename); |
| blame->append(", "); |
| blame->append(drp->fComparison.fFilename); |
| blame->append(")"); |
| fResultsOfType[drp->fResult].push(blame); |
| } |
| switch (drp->fResult) { |
| case DiffRecord::kEqualBits_Result: |
| fNumMatches++; |
| break; |
| case DiffRecord::kEqualPixels_Result: |
| fNumMatches++; |
| break; |
| case DiffRecord::kDifferentSizes_Result: |
| fNumMismatches++; |
| break; |
| case DiffRecord::kDifferentPixels_Result: |
| fNumMismatches++; |
| if (drp->fFractionDifference * 100 > fMaxMismatchPercent) { |
| fMaxMismatchPercent = drp->fFractionDifference * 100; |
| } |
| mismatchValue = MAX3(drp->fMaxMismatchR, drp->fMaxMismatchG, |
| drp->fMaxMismatchB); |
| if (mismatchValue > fMaxMismatchV) { |
| fMaxMismatchV = mismatchValue; |
| } |
| break; |
| case DiffRecord::kCouldNotCompare_Result: |
| fNumMismatches++; |
| fStatusOfType[drp->fBase.fStatus][drp->fComparison.fStatus].push( |
| new SkString(drp->fBase.fFilename)); |
| break; |
| case DiffRecord::kUnknown_Result: |
| SkDEBUGFAIL("adding uncategorized DiffRecord"); |
| break; |
| default: |
| SkDEBUGFAIL("adding DiffRecord with unhandled fResult value"); |
| break; |
| } |
| |
| switch (drp->fResult) { |
| case DiffRecord::kEqualBits_Result: |
| case DiffRecord::kEqualPixels_Result: |
| break; |
| default: |
| add_unique_basename(&fFailedBaseNames[drp->fResult], drp->fBase.fFilename); |
| break; |
| } |
| } |
| }; |
| |
| /// Returns true if string contains any of these substrings. |
| static bool string_contains_any_of(const SkString& string, |
| const StringArray& substrings) { |
| for (int i = 0; i < substrings.count(); i++) { |
| if (string.contains(substrings[i]->c_str())) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| /// Internal (potentially recursive) implementation of get_file_list. |
| static void get_file_list_subdir(const SkString& rootDir, const SkString& subDir, |
| const StringArray& matchSubstrings, |
| const StringArray& nomatchSubstrings, |
| bool recurseIntoSubdirs, FileArray *files) { |
| bool isSubDirEmpty = subDir.isEmpty(); |
| SkString dir(rootDir); |
| if (!isSubDirEmpty) { |
| dir.append(PATH_DIV_STR); |
| dir.append(subDir); |
| } |
| |
| // Iterate over files (not directories) within dir. |
| SkOSFile::Iter fileIterator(dir.c_str()); |
| SkString fileName; |
| while (fileIterator.next(&fileName, false)) { |
| if (fileName.startsWith(".")) { |
| continue; |
| } |
| SkString pathRelativeToRootDir(subDir); |
| if (!isSubDirEmpty) { |
| pathRelativeToRootDir.append(PATH_DIV_STR); |
| } |
| pathRelativeToRootDir.append(fileName); |
| if (string_contains_any_of(pathRelativeToRootDir, matchSubstrings) && |
| !string_contains_any_of(pathRelativeToRootDir, nomatchSubstrings)) { |
| files->push(new SkString(pathRelativeToRootDir)); |
| } |
| } |
| |
| // Recurse into any non-ignored subdirectories. |
| if (recurseIntoSubdirs) { |
| SkOSFile::Iter dirIterator(dir.c_str()); |
| SkString dirName; |
| while (dirIterator.next(&dirName, true)) { |
| if (dirName.startsWith(".")) { |
| continue; |
| } |
| SkString pathRelativeToRootDir(subDir); |
| if (!isSubDirEmpty) { |
| pathRelativeToRootDir.append(PATH_DIV_STR); |
| } |
| pathRelativeToRootDir.append(dirName); |
| if (!string_contains_any_of(pathRelativeToRootDir, nomatchSubstrings)) { |
| get_file_list_subdir(rootDir, pathRelativeToRootDir, |
| matchSubstrings, nomatchSubstrings, recurseIntoSubdirs, |
| files); |
| } |
| } |
| } |
| } |
| |
| /// Iterate over dir and get all files whose filename: |
| /// - matches any of the substrings in matchSubstrings, but... |
| /// - DOES NOT match any of the substrings in nomatchSubstrings |
| /// - DOES NOT start with a dot (.) |
| /// Adds the matching files to the list in *files. |
| static void get_file_list(const SkString& dir, |
| const StringArray& matchSubstrings, |
| const StringArray& nomatchSubstrings, |
| bool recurseIntoSubdirs, FileArray *files) { |
| get_file_list_subdir(dir, SkString(""), |
| matchSubstrings, nomatchSubstrings, recurseIntoSubdirs, |
| files); |
| } |
| |
| static void release_file_list(FileArray *files) { |
| files->deleteAll(); |
| } |
| |
| /// Comparison routines for qsort, sort by file names. |
| static int compare_file_name_metrics(SkString **lhs, SkString **rhs) { |
| return strcmp((*lhs)->c_str(), (*rhs)->c_str()); |
| } |
| |
| class AutoReleasePixels { |
| public: |
| AutoReleasePixels(DiffRecord* drp) |
| : fDrp(drp) { |
| SkASSERT(drp != nullptr); |
| } |
| ~AutoReleasePixels() { |
| fDrp->fBase.fBitmap.setPixelRef(nullptr); |
| fDrp->fComparison.fBitmap.setPixelRef(nullptr); |
| fDrp->fDifference.fBitmap.setPixelRef(nullptr); |
| fDrp->fWhite.fBitmap.setPixelRef(nullptr); |
| } |
| |
| private: |
| DiffRecord* fDrp; |
| }; |
| |
| static void get_bounds(DiffResource& resource, const char* name) { |
| if (resource.fBitmap.empty() && !DiffResource::isStatusFailed(resource.fStatus)) { |
| SkAutoDataUnref fileBits(read_file(resource.fFullPath.c_str())); |
| if (nullptr == fileBits) { |
| SkDebugf("WARNING: couldn't read %s file <%s>\n", name, resource.fFullPath.c_str()); |
| resource.fStatus = DiffResource::kCouldNotRead_Status; |
| } else { |
| get_bitmap(fileBits, resource, SkImageDecoder::kDecodeBounds_Mode); |
| } |
| } |
| } |
| |
| static void get_bounds(DiffRecord& drp) { |
| get_bounds(drp.fBase, "base"); |
| get_bounds(drp.fComparison, "comparison"); |
| } |
| |
| #ifdef SK_OS_WIN |
| #define ANSI_COLOR_RED "" |
| #define ANSI_COLOR_GREEN "" |
| #define ANSI_COLOR_YELLOW "" |
| #define ANSI_COLOR_RESET "" |
| #else |
| #define ANSI_COLOR_RED "\x1b[31m" |
| #define ANSI_COLOR_GREEN "\x1b[32m" |
| #define ANSI_COLOR_YELLOW "\x1b[33m" |
| #define ANSI_COLOR_RESET "\x1b[0m" |
| #endif |
| |
| #define VERBOSE_STATUS(status,color,filename) if (verbose) printf( "[ " color " %10s " ANSI_COLOR_RESET " ] %s\n", status, filename->c_str()) |
| |
| /// Creates difference images, returns the number that have a 0 metric. |
| /// If outputDir.isEmpty(), don't write out diff files. |
| static void create_diff_images (DiffMetricProc dmp, |
| const int colorThreshold, |
| RecordArray* differences, |
| const SkString& baseDir, |
| const SkString& comparisonDir, |
| const SkString& outputDir, |
| const StringArray& matchSubstrings, |
| const StringArray& nomatchSubstrings, |
| bool recurseIntoSubdirs, |
| bool getBounds, |
| bool verbose, |
| DiffSummary* summary) { |
| SkASSERT(!baseDir.isEmpty()); |
| SkASSERT(!comparisonDir.isEmpty()); |
| |
| FileArray baseFiles; |
| FileArray comparisonFiles; |
| |
| get_file_list(baseDir, matchSubstrings, nomatchSubstrings, recurseIntoSubdirs, &baseFiles); |
| get_file_list(comparisonDir, matchSubstrings, nomatchSubstrings, recurseIntoSubdirs, |
| &comparisonFiles); |
| |
| if (!baseFiles.isEmpty()) { |
| qsort(baseFiles.begin(), baseFiles.count(), sizeof(SkString*), |
| SkCastForQSort(compare_file_name_metrics)); |
| } |
| if (!comparisonFiles.isEmpty()) { |
| qsort(comparisonFiles.begin(), comparisonFiles.count(), |
| sizeof(SkString*), SkCastForQSort(compare_file_name_metrics)); |
| } |
| |
| int i = 0; |
| int j = 0; |
| |
| while (i < baseFiles.count() && |
| j < comparisonFiles.count()) { |
| |
| SkString basePath(baseDir); |
| SkString comparisonPath(comparisonDir); |
| |
| DiffRecord *drp = new DiffRecord; |
| int v = strcmp(baseFiles[i]->c_str(), comparisonFiles[j]->c_str()); |
| |
| if (v < 0) { |
| // in baseDir, but not in comparisonDir |
| drp->fResult = DiffRecord::kCouldNotCompare_Result; |
| |
| basePath.append(*baseFiles[i]); |
| comparisonPath.append(*baseFiles[i]); |
| |
| drp->fBase.fFilename = *baseFiles[i]; |
| drp->fBase.fFullPath = basePath; |
| drp->fBase.fStatus = DiffResource::kExists_Status; |
| |
| drp->fComparison.fFilename = *baseFiles[i]; |
| drp->fComparison.fFullPath = comparisonPath; |
| drp->fComparison.fStatus = DiffResource::kDoesNotExist_Status; |
| |
| VERBOSE_STATUS("MISSING", ANSI_COLOR_YELLOW, baseFiles[i]); |
| |
| ++i; |
| } else if (v > 0) { |
| // in comparisonDir, but not in baseDir |
| drp->fResult = DiffRecord::kCouldNotCompare_Result; |
| |
| basePath.append(*comparisonFiles[j]); |
| comparisonPath.append(*comparisonFiles[j]); |
| |
| drp->fBase.fFilename = *comparisonFiles[j]; |
| drp->fBase.fFullPath = basePath; |
| drp->fBase.fStatus = DiffResource::kDoesNotExist_Status; |
| |
| drp->fComparison.fFilename = *comparisonFiles[j]; |
| drp->fComparison.fFullPath = comparisonPath; |
| drp->fComparison.fStatus = DiffResource::kExists_Status; |
| |
| VERBOSE_STATUS("MISSING", ANSI_COLOR_YELLOW, comparisonFiles[j]); |
| |
| ++j; |
| } else { |
| // Found the same filename in both baseDir and comparisonDir. |
| SkASSERT(DiffRecord::kUnknown_Result == drp->fResult); |
| |
| basePath.append(*baseFiles[i]); |
| comparisonPath.append(*comparisonFiles[j]); |
| |
| drp->fBase.fFilename = *baseFiles[i]; |
| drp->fBase.fFullPath = basePath; |
| drp->fBase.fStatus = DiffResource::kExists_Status; |
| |
| drp->fComparison.fFilename = *comparisonFiles[j]; |
| drp->fComparison.fFullPath = comparisonPath; |
| drp->fComparison.fStatus = DiffResource::kExists_Status; |
| |
| SkAutoDataUnref baseFileBits(read_file(drp->fBase.fFullPath.c_str())); |
| if (baseFileBits) { |
| drp->fBase.fStatus = DiffResource::kRead_Status; |
| } |
| SkAutoDataUnref comparisonFileBits(read_file(drp->fComparison.fFullPath.c_str())); |
| if (comparisonFileBits) { |
| drp->fComparison.fStatus = DiffResource::kRead_Status; |
| } |
| if (nullptr == baseFileBits || nullptr == comparisonFileBits) { |
| if (nullptr == baseFileBits) { |
| drp->fBase.fStatus = DiffResource::kCouldNotRead_Status; |
| VERBOSE_STATUS("READ FAIL", ANSI_COLOR_RED, baseFiles[i]); |
| } |
| if (nullptr == comparisonFileBits) { |
| drp->fComparison.fStatus = DiffResource::kCouldNotRead_Status; |
| VERBOSE_STATUS("READ FAIL", ANSI_COLOR_RED, comparisonFiles[j]); |
| } |
| drp->fResult = DiffRecord::kCouldNotCompare_Result; |
| |
| } else if (are_buffers_equal(baseFileBits, comparisonFileBits)) { |
| drp->fResult = DiffRecord::kEqualBits_Result; |
| VERBOSE_STATUS("MATCH", ANSI_COLOR_GREEN, baseFiles[i]); |
| } else { |
| AutoReleasePixels arp(drp); |
| get_bitmap(baseFileBits, drp->fBase, SkImageDecoder::kDecodePixels_Mode); |
| get_bitmap(comparisonFileBits, drp->fComparison, |
| SkImageDecoder::kDecodePixels_Mode); |
| VERBOSE_STATUS("DIFFERENT", ANSI_COLOR_RED, baseFiles[i]); |
| if (DiffResource::kDecoded_Status == drp->fBase.fStatus && |
| DiffResource::kDecoded_Status == drp->fComparison.fStatus) { |
| create_and_write_diff_image(drp, dmp, colorThreshold, |
| outputDir, drp->fBase.fFilename); |
| } else { |
| drp->fResult = DiffRecord::kCouldNotCompare_Result; |
| } |
| } |
| |
| ++i; |
| ++j; |
| } |
| |
| if (getBounds) { |
| get_bounds(*drp); |
| } |
| SkASSERT(DiffRecord::kUnknown_Result != drp->fResult); |
| differences->push(drp); |
| summary->add(drp); |
| } |
| |
| for (; i < baseFiles.count(); ++i) { |
| // files only in baseDir |
| DiffRecord *drp = new DiffRecord(); |
| drp->fBase.fFilename = *baseFiles[i]; |
| drp->fBase.fFullPath = baseDir; |
| drp->fBase.fFullPath.append(drp->fBase.fFilename); |
| drp->fBase.fStatus = DiffResource::kExists_Status; |
| |
| drp->fComparison.fFilename = *baseFiles[i]; |
| drp->fComparison.fFullPath = comparisonDir; |
| drp->fComparison.fFullPath.append(drp->fComparison.fFilename); |
| drp->fComparison.fStatus = DiffResource::kDoesNotExist_Status; |
| |
| drp->fResult = DiffRecord::kCouldNotCompare_Result; |
| if (getBounds) { |
| get_bounds(*drp); |
| } |
| differences->push(drp); |
| summary->add(drp); |
| } |
| |
| for (; j < comparisonFiles.count(); ++j) { |
| // files only in comparisonDir |
| DiffRecord *drp = new DiffRecord(); |
| drp->fBase.fFilename = *comparisonFiles[j]; |
| drp->fBase.fFullPath = baseDir; |
| drp->fBase.fFullPath.append(drp->fBase.fFilename); |
| drp->fBase.fStatus = DiffResource::kDoesNotExist_Status; |
| |
| drp->fComparison.fFilename = *comparisonFiles[j]; |
| drp->fComparison.fFullPath = comparisonDir; |
| drp->fComparison.fFullPath.append(drp->fComparison.fFilename); |
| drp->fComparison.fStatus = DiffResource::kExists_Status; |
| |
| drp->fResult = DiffRecord::kCouldNotCompare_Result; |
| if (getBounds) { |
| get_bounds(*drp); |
| } |
| differences->push(drp); |
| summary->add(drp); |
| } |
| |
| release_file_list(&baseFiles); |
| release_file_list(&comparisonFiles); |
| } |
| |
| static void usage (char * argv0) { |
| SkDebugf("Skia baseline image diff tool\n"); |
| SkDebugf("\n" |
| "Usage: \n" |
| " %s <baseDir> <comparisonDir> [outputDir] \n", argv0); |
| SkDebugf( |
| "\nArguments:" |
| "\n --failonresult <result>: After comparing all file pairs, exit with nonzero" |
| "\n return code (number of file pairs yielding this" |
| "\n result) if any file pairs yielded this result." |
| "\n This flag may be repeated, in which case the" |
| "\n return code will be the number of fail pairs" |
| "\n yielding ANY of these results." |
| "\n --failonstatus <baseStatus> <comparisonStatus>: exit with nonzero return" |
| "\n code if any file pairs yielded this status." |
| "\n --help: display this info" |
| "\n --listfilenames: list all filenames for each result type in stdout" |
| "\n --match <substring>: compare files whose filenames contain this substring;" |
| "\n if unspecified, compare ALL files." |
| "\n this flag may be repeated." |
| "\n --nodiffs: don't write out image diffs or index.html, just generate" |
| "\n report on stdout" |
| "\n --nomatch <substring>: regardless of --match, DO NOT compare files whose" |
| "\n filenames contain this substring." |
| "\n this flag may be repeated." |
| "\n --noprintdirs: do not print the directories used." |
| "\n --norecurse: do not recurse into subdirectories." |
| "\n --sortbymaxmismatch: sort by worst color channel mismatch;" |
| "\n break ties with -sortbymismatch" |
| "\n --sortbymismatch: sort by average color channel mismatch" |
| "\n --threshold <n>: only report differences > n (per color channel) [default 0]" |
| "\n --weighted: sort by # pixels different weighted by color difference" |
| "\n" |
| "\n baseDir: directory to read baseline images from." |
| "\n comparisonDir: directory to read comparison images from" |
| "\n outputDir: directory to write difference images and index.html to;" |
| "\n defaults to comparisonDir" |
| "\n" |
| "\nIf no sort is specified, it will sort by fraction of pixels mismatching." |
| "\n"); |
| } |
| |
| const int kNoError = 0; |
| const int kGenericError = -1; |
| |
| int tool_main(int argc, char** argv); |
| int tool_main(int argc, char** argv) { |
| DiffMetricProc diffProc = compute_diff_pmcolor; |
| int (*sortProc)(const void*, const void*) = compare<CompareDiffMetrics>; |
| |
| // Maximum error tolerated in any one color channel in any one pixel before |
| // a difference is reported. |
| int colorThreshold = 0; |
| SkString baseDir; |
| SkString comparisonDir; |
| SkString outputDir; |
| |
| StringArray matchSubstrings; |
| StringArray nomatchSubstrings; |
| |
| bool generateDiffs = true; |
| bool listFilenames = false; |
| bool printDirNames = true; |
| bool recurseIntoSubdirs = true; |
| bool verbose = false; |
| bool listFailingBase = false; |
| |
| RecordArray differences; |
| DiffSummary summary; |
| |
| bool failOnResultType[DiffRecord::kResultCount]; |
| for (int i = 0; i < DiffRecord::kResultCount; i++) { |
| failOnResultType[i] = false; |
| } |
| |
| bool failOnStatusType[DiffResource::kStatusCount][DiffResource::kStatusCount]; |
| for (int base = 0; base < DiffResource::kStatusCount; ++base) { |
| for (int comparison = 0; comparison < DiffResource::kStatusCount; ++comparison) { |
| failOnStatusType[base][comparison] = false; |
| } |
| } |
| |
| int i; |
| int numUnflaggedArguments = 0; |
| for (i = 1; i < argc; i++) { |
| if (!strcmp(argv[i], "--failonresult")) { |
| if (argc == ++i) { |
| SkDebugf("failonresult expects one argument.\n"); |
| continue; |
| } |
| DiffRecord::Result type = DiffRecord::getResultByName(argv[i]); |
| if (type != DiffRecord::kResultCount) { |
| failOnResultType[type] = true; |
| } else { |
| SkDebugf("ignoring unrecognized result <%s>\n", argv[i]); |
| } |
| continue; |
| } |
| if (!strcmp(argv[i], "--failonstatus")) { |
| if (argc == ++i) { |
| SkDebugf("failonstatus missing base status.\n"); |
| continue; |
| } |
| bool baseStatuses[DiffResource::kStatusCount]; |
| if (!DiffResource::getMatchingStatuses(argv[i], baseStatuses)) { |
| SkDebugf("unrecognized base status <%s>\n", argv[i]); |
| } |
| |
| if (argc == ++i) { |
| SkDebugf("failonstatus missing comparison status.\n"); |
| continue; |
| } |
| bool comparisonStatuses[DiffResource::kStatusCount]; |
| if (!DiffResource::getMatchingStatuses(argv[i], comparisonStatuses)) { |
| SkDebugf("unrecognized comarison status <%s>\n", argv[i]); |
| } |
| |
| for (int base = 0; base < DiffResource::kStatusCount; ++base) { |
| for (int comparison = 0; comparison < DiffResource::kStatusCount; ++comparison) { |
| failOnStatusType[base][comparison] |= |
| baseStatuses[base] && comparisonStatuses[comparison]; |
| } |
| } |
| continue; |
| } |
| if (!strcmp(argv[i], "--help")) { |
| usage(argv[0]); |
| return kNoError; |
| } |
| if (!strcmp(argv[i], "--listfilenames")) { |
| listFilenames = true; |
| continue; |
| } |
| if (!strcmp(argv[i], "--verbose")) { |
| verbose = true; |
| continue; |
| } |
| if (!strcmp(argv[i], "--match")) { |
| matchSubstrings.push(new SkString(argv[++i])); |
| continue; |
| } |
| if (!strcmp(argv[i], "--nodiffs")) { |
| generateDiffs = false; |
| continue; |
| } |
| if (!strcmp(argv[i], "--nomatch")) { |
| nomatchSubstrings.push(new SkString(argv[++i])); |
| continue; |
| } |
| if (!strcmp(argv[i], "--noprintdirs")) { |
| printDirNames = false; |
| continue; |
| } |
| if (!strcmp(argv[i], "--norecurse")) { |
| recurseIntoSubdirs = false; |
| continue; |
| } |
| if (!strcmp(argv[i], "--sortbymaxmismatch")) { |
| sortProc = compare<CompareDiffMaxMismatches>; |
| continue; |
| } |
| if (!strcmp(argv[i], "--sortbymismatch")) { |
| sortProc = compare<CompareDiffMeanMismatches>; |
| continue; |
| } |
| if (!strcmp(argv[i], "--threshold")) { |
| colorThreshold = atoi(argv[++i]); |
| continue; |
| } |
| if (!strcmp(argv[i], "--weighted")) { |
| sortProc = compare<CompareDiffWeighted>; |
| continue; |
| } |
| if (argv[i][0] != '-') { |
| switch (numUnflaggedArguments++) { |
| case 0: |
| baseDir.set(argv[i]); |
| continue; |
| case 1: |
| comparisonDir.set(argv[i]); |
| continue; |
| case 2: |
| outputDir.set(argv[i]); |
| continue; |
| default: |
| SkDebugf("extra unflagged argument <%s>\n", argv[i]); |
| usage(argv[0]); |
| return kGenericError; |
| } |
| } |
| if (!strcmp(argv[i], "--listFailingBase")) { |
| listFailingBase = true; |
| continue; |
| } |
| |
| SkDebugf("Unrecognized argument <%s>\n", argv[i]); |
| usage(argv[0]); |
| return kGenericError; |
| } |
| |
| if (numUnflaggedArguments == 2) { |
| outputDir = comparisonDir; |
| } else if (numUnflaggedArguments != 3) { |
| usage(argv[0]); |
| return kGenericError; |
| } |
| |
| if (!baseDir.endsWith(PATH_DIV_STR)) { |
| baseDir.append(PATH_DIV_STR); |
| } |
| if (printDirNames) { |
| printf("baseDir is [%s]\n", baseDir.c_str()); |
| } |
| |
| if (!comparisonDir.endsWith(PATH_DIV_STR)) { |
| comparisonDir.append(PATH_DIV_STR); |
| } |
| if (printDirNames) { |
| printf("comparisonDir is [%s]\n", comparisonDir.c_str()); |
| } |
| |
| if (!outputDir.endsWith(PATH_DIV_STR)) { |
| outputDir.append(PATH_DIV_STR); |
| } |
| if (generateDiffs) { |
| if (printDirNames) { |
| printf("writing diffs to outputDir is [%s]\n", outputDir.c_str()); |
| } |
| } else { |
| if (printDirNames) { |
| printf("not writing any diffs to outputDir [%s]\n", outputDir.c_str()); |
| } |
| outputDir.set(""); |
| } |
| |
| // If no matchSubstrings were specified, match ALL strings |
| // (except for whatever nomatchSubstrings were specified, if any). |
| if (matchSubstrings.isEmpty()) { |
| matchSubstrings.push(new SkString("")); |
| } |
| |
| create_diff_images(diffProc, colorThreshold, &differences, |
| baseDir, comparisonDir, outputDir, |
| matchSubstrings, nomatchSubstrings, recurseIntoSubdirs, generateDiffs, |
| verbose, &summary); |
| summary.print(listFilenames, failOnResultType, failOnStatusType); |
| |
| if (listFailingBase) { |
| summary.printfFailingBaseNames("\n"); |
| } |
| |
| if (differences.count()) { |
| qsort(differences.begin(), differences.count(), |
| sizeof(DiffRecord*), sortProc); |
| } |
| |
| if (generateDiffs) { |
| print_diff_page(summary.fNumMatches, colorThreshold, differences, |
| baseDir, comparisonDir, outputDir); |
| } |
| |
| for (i = 0; i < differences.count(); i++) { |
| delete differences[i]; |
| } |
| matchSubstrings.deleteAll(); |
| nomatchSubstrings.deleteAll(); |
| |
| int num_failing_results = 0; |
| for (int i = 0; i < DiffRecord::kResultCount; i++) { |
| if (failOnResultType[i]) { |
| num_failing_results += summary.fResultsOfType[i].count(); |
| } |
| } |
| if (!failOnResultType[DiffRecord::kCouldNotCompare_Result]) { |
| for (int base = 0; base < DiffResource::kStatusCount; ++base) { |
| for (int comparison = 0; comparison < DiffResource::kStatusCount; ++comparison) { |
| if (failOnStatusType[base][comparison]) { |
| num_failing_results += summary.fStatusOfType[base][comparison].count(); |
| } |
| } |
| } |
| } |
| |
| // On Linux (and maybe other platforms too), any results outside of the |
| // range [0...255] are wrapped (mod 256). Do the conversion ourselves, to |
| // make sure that we only return 0 when there were no failures. |
| return (num_failing_results > 255) ? 255 : num_failing_results; |
| } |
| |
| #if !defined SK_BUILD_FOR_IOS |
| int main(int argc, char * const argv[]) { |
| return tool_main(argc, (char**) argv); |
| } |
| #endif |