145     int dr = SkGetPackedR32(c0) - SkGetPackedR32(c1);  in colors_match_thresholded()  local
150             (SkAbs32(dr) <= threshold) &&  in colors_match_thresholded()
158 void compute_diff(DiffRecord* dr, DiffMetricProc diffFunction, const int colorThreshold) {  in compute_diff()  argument
159     const int w = dr->fComparison.fBitmap.width();  in compute_diff()
160     const int h = dr->fComparison.fBitmap.height();  in compute_diff()
161     if (w != dr->fBase.fBitmap.width() || h != dr->fBase.fBitmap.height()) {  in compute_diff()
162         dr->fResult = DiffRecord::kDifferentSizes_Result;  in compute_diff()
166     SkAutoLockPixels alpDiff(dr->fDifference.fBitmap);  in compute_diff()
167     SkAutoLockPixels alpWhite(dr->fWhite.fBitmap);  in compute_diff()
176     dr->fWeightedFraction = 0;  in compute_diff()
179             SkPMColor c0 = *dr->fBase.fBitmap.getAddr32(x, y);  in compute_diff()
180             SkPMColor c1 = *dr->fComparison.fBitmap.getAddr32(x, y);  in compute_diff()
192             dr->fWeightedFraction += ((float) value) / 255;  in compute_diff()
193             if (thisA > dr->fMaxMismatchA) {  in compute_diff()
194                 dr->fMaxMismatchA = thisA;  in compute_diff()
196             if (thisR > dr->fMaxMismatchR) {  in compute_diff()
197                 dr->fMaxMismatchR = thisR;  in compute_diff()
199             if (thisG > dr->fMaxMismatchG) {  in compute_diff()
200                 dr->fMaxMismatchG = thisG;  in compute_diff()
202             if (thisB > dr->fMaxMismatchB) {  in compute_diff()
203                 dr->fMaxMismatchB = thisB;  in compute_diff()
207                 *dr->fDifference.fBitmap.getAddr32(x, y) = outputDifference;  in compute_diff()
208                 *dr->fWhite.fBitmap.getAddr32(x, y) = PMCOLOR_WHITE;  in compute_diff()
210                 *dr->fDifference.fBitmap.getAddr32(x, y) = 0;  in compute_diff()
211                 *dr->fWhite.fBitmap.getAddr32(x, y) = PMCOLOR_BLACK;  in compute_diff()
216         dr->fResult = DiffRecord::kEqualPixels_Result;  in compute_diff()
219     dr->fResult = DiffRecord::kDifferentPixels_Result;  in compute_diff()
221     dr->fFractionDifference = ((float) mismatchedPixels) / pixelCount;  in compute_diff()
222     dr->fWeightedFraction /= pixelCount;  in compute_diff()
223     dr->fTotalMismatchA = totalMismatchA;  in compute_diff()
224     dr->fAverageMismatchA = ((float) totalMismatchA) / pixelCount;  in compute_diff()
225     dr->fAverageMismatchR = ((float) totalMismatchR) / pixelCount;  in compute_diff()
226     dr->fAverageMismatchG = ((float) totalMismatchG) / pixelCount;  in compute_diff()
227     dr->fAverageMismatchB = ((float) totalMismatchB) / pixelCount;  in compute_diff()