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Unified Diff: tools/skpdiff/SkDiffContext.cpp

Issue 325413003: rebaseline_server: use just skpdiff, not Python Image Library (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: attempt to fix "'abs' : ambiguous call to overloaded function" on Windows Created 6 years, 6 months ago
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Index: tools/skpdiff/SkDiffContext.cpp
diff --git a/tools/skpdiff/SkDiffContext.cpp b/tools/skpdiff/SkDiffContext.cpp
index 6f0b09f0822e70c7d8d78626b945e0d9d45248ce..26898c92f38fc0168b1f998974a6228775c896b7 100644
--- a/tools/skpdiff/SkDiffContext.cpp
+++ b/tools/skpdiff/SkDiffContext.cpp
@@ -9,11 +9,13 @@
#include "SkImageDecoder.h"
#include "SkOSFile.h"
#include "SkRunnable.h"
+#include "SkSize.h"
#include "SkStream.h"
#include "SkTDict.h"
#include "SkThreadPool.h"
#include "SkDiffContext.h"
+#include "SkImageDiffer.h"
#include "skpdiff_util.h"
SkDiffContext::SkDiffContext() {
@@ -28,9 +30,21 @@ SkDiffContext::~SkDiffContext() {
}
}
-void SkDiffContext::setDifferenceDir(const SkString& path) {
+void SkDiffContext::setAlphaMaskDir(const SkString& path) {
if (!path.isEmpty() && sk_mkdir(path.c_str())) {
- fDifferenceDir = path;
+ fAlphaMaskDir = path;
+ }
+}
+
+void SkDiffContext::setRgbDiffDir(const SkString& path) {
+ if (!path.isEmpty() && sk_mkdir(path.c_str())) {
+ fRgbDiffDir = path;
+ }
+}
+
+void SkDiffContext::setWhiteDiffDir(const SkString& path) {
+ if (!path.isEmpty() && sk_mkdir(path.c_str())) {
+ fWhiteDiffDir = path;
}
}
@@ -90,13 +104,13 @@ void SkDiffContext::addDiff(const char* baselinePath, const char* testPath) {
newRecord->fBaselinePath = baselinePath;
newRecord->fTestPath = testPath;
+ newRecord->fSize = SkISize::Make(baselineBitmap.width(), baselineBitmap.height());
- bool alphaMaskPending = false;
-
- // only enable alpha masks if a difference dir has been provided
- if (!fDifferenceDir.isEmpty()) {
- alphaMaskPending = true;
- }
+ // only generate diff images if we have a place to store them
+ SkImageDiffer::BitmapsToCreate bitmapsToCreate;
+ bitmapsToCreate.alphaMask = !fAlphaMaskDir.isEmpty();
+ bitmapsToCreate.rgbDiff = !fRgbDiffDir.isEmpty();
+ bitmapsToCreate.whiteDiff = !fWhiteDiffDir.isEmpty();
// Perform each diff
for (int differIndex = 0; differIndex < fDifferCount; differIndex++) {
@@ -106,30 +120,69 @@ void SkDiffContext::addDiff(const char* baselinePath, const char* testPath) {
DiffData& diffData = newRecord->fDiffs.push_back();
diffData.fDiffName = differ->getName();
- if (!differ->diff(&baselineBitmap, &testBitmap, alphaMaskPending, &diffData.fResult)) {
- // if the diff failed record -1 as the result
+ if (!differ->diff(&baselineBitmap, &testBitmap, bitmapsToCreate, &diffData.fResult)) {
+ // if the diff failed, record -1 as the result
+ // TODO(djsollen): Record more detailed information about exactly what failed.
+ // (Image dimension mismatch? etc.) See http://skbug.com/2710 ('make skpdiff
+ // report more detail when it fails to compare two images')
diffData.fResult.result = -1;
continue;
}
- if (alphaMaskPending
+ if (bitmapsToCreate.alphaMask
&& SkImageDiffer::RESULT_CORRECT != diffData.fResult.result
&& !diffData.fResult.poiAlphaMask.empty()
&& !newRecord->fCommonName.isEmpty()) {
- newRecord->fDifferencePath = SkOSPath::SkPathJoin(fDifferenceDir.c_str(),
- newRecord->fCommonName.c_str());
+ newRecord->fAlphaMaskPath = SkOSPath::SkPathJoin(fAlphaMaskDir.c_str(),
+ newRecord->fCommonName.c_str());
// compute the image diff and output it
SkBitmap copy;
diffData.fResult.poiAlphaMask.copyTo(&copy, kN32_SkColorType);
- SkImageEncoder::EncodeFile(newRecord->fDifferencePath.c_str(), copy,
+ SkImageEncoder::EncodeFile(newRecord->fAlphaMaskPath.c_str(), copy,
SkImageEncoder::kPNG_Type, 100);
// cleanup the existing bitmap to free up resources;
diffData.fResult.poiAlphaMask.reset();
- alphaMaskPending = false;
+ bitmapsToCreate.alphaMask = false;
+ }
+
+ if (bitmapsToCreate.rgbDiff
+ && SkImageDiffer::RESULT_CORRECT != diffData.fResult.result
+ && !diffData.fResult.rgbDiffBitmap.empty()
+ && !newRecord->fCommonName.isEmpty()) {
+ // TODO(djsollen): Rather than taking the max r/g/b diffs that come back from
+ // a particular differ and storing them as toplevel fields within
+ // newRecord, we should extend outputRecords() to report optional
+ // fields for each differ (not just "result" and "pointsOfInterest").
+ // See http://skbug.com/2712 ('allow skpdiff to report different sets
+ // of result fields for different comparison algorithms')
+ newRecord->fMaxRedDiff = diffData.fResult.maxRedDiff;
+ newRecord->fMaxGreenDiff = diffData.fResult.maxGreenDiff;
+ newRecord->fMaxBlueDiff = diffData.fResult.maxBlueDiff;
+
+ newRecord->fRgbDiffPath = SkOSPath::SkPathJoin(fRgbDiffDir.c_str(),
+ newRecord->fCommonName.c_str());
+ SkImageEncoder::EncodeFile(newRecord->fRgbDiffPath.c_str(),
+ diffData.fResult.rgbDiffBitmap,
+ SkImageEncoder::kPNG_Type, 100);
+ diffData.fResult.rgbDiffBitmap.reset();
+ bitmapsToCreate.rgbDiff = false;
+ }
+
+ if (bitmapsToCreate.whiteDiff
+ && SkImageDiffer::RESULT_CORRECT != diffData.fResult.result
+ && !diffData.fResult.whiteDiffBitmap.empty()
+ && !newRecord->fCommonName.isEmpty()) {
+ newRecord->fWhiteDiffPath = SkOSPath::SkPathJoin(fWhiteDiffDir.c_str(),
+ newRecord->fCommonName.c_str());
+ SkImageEncoder::EncodeFile(newRecord->fWhiteDiffPath.c_str(),
+ diffData.fResult.whiteDiffBitmap,
+ SkImageEncoder::kPNG_Type, 100);
+ diffData.fResult.whiteDiffBitmap.reset();
+ bitmapsToCreate.whiteDiff = false;
}
}
}
@@ -229,11 +282,15 @@ void SkDiffContext::outputRecords(SkWStream& stream, bool useJSONP) {
} else {
stream.writeText("{\n");
}
+
+ // TODO(djsollen): Would it be better to use the jsoncpp library to write out the JSON?
+ // This manual approach is probably more efficient, but it sure is ugly.
+ // See http://skbug.com/2713 ('make skpdiff use jsoncpp library to write out
+ // JSON output, instead of manual writeText() calls?')
stream.writeText(" \"records\": [\n");
while (NULL != currentRecord) {
stream.writeText(" {\n");
- SkString differenceAbsPath = get_absolute_path(currentRecord->fDifferencePath);
SkString baselineAbsPath = get_absolute_path(currentRecord->fBaselinePath);
SkString testAbsPath = get_absolute_path(currentRecord->fTestPath);
@@ -242,7 +299,15 @@ void SkDiffContext::outputRecords(SkWStream& stream, bool useJSONP) {
stream.writeText("\",\n");
stream.writeText(" \"differencePath\": \"");
- stream.writeText(differenceAbsPath.c_str());
+ stream.writeText(get_absolute_path(currentRecord->fAlphaMaskPath).c_str());
+ stream.writeText("\",\n");
+
+ stream.writeText(" \"rgbDiffPath\": \"");
+ stream.writeText(get_absolute_path(currentRecord->fRgbDiffPath).c_str());
+ stream.writeText("\",\n");
+
+ stream.writeText(" \"whiteDiffPath\": \"");
+ stream.writeText(get_absolute_path(currentRecord->fWhiteDiffPath).c_str());
stream.writeText("\",\n");
stream.writeText(" \"baselinePath\": \"");
@@ -253,6 +318,23 @@ void SkDiffContext::outputRecords(SkWStream& stream, bool useJSONP) {
stream.writeText(testAbsPath.c_str());
stream.writeText("\",\n");
+ stream.writeText(" \"width\": ");
+ stream.writeDecAsText(currentRecord->fSize.width());
+ stream.writeText(",\n");
+ stream.writeText(" \"height\": ");
+ stream.writeDecAsText(currentRecord->fSize.height());
+ stream.writeText(",\n");
+
+ stream.writeText(" \"maxRedDiff\": ");
+ stream.writeDecAsText(currentRecord->fMaxRedDiff);
+ stream.writeText(",\n");
+ stream.writeText(" \"maxGreenDiff\": ");
+ stream.writeDecAsText(currentRecord->fMaxGreenDiff);
+ stream.writeText(",\n");
+ stream.writeText(" \"maxBlueDiff\": ");
+ stream.writeDecAsText(currentRecord->fMaxBlueDiff);
+ stream.writeText(",\n");
+
stream.writeText(" \"diffs\": [\n");
for (int diffIndex = 0; diffIndex < currentRecord->fDiffs.count(); diffIndex++) {
DiffData& data = currentRecord->fDiffs[diffIndex];
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