301 lines
11 KiB
C++
301 lines
11 KiB
C++
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/*
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* Copyright 2012 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "skdiff.h"
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#include "skdiff_html.h"
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#include "SkStream.h"
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#include "SkTime.h"
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/// Make layout more consistent by scaling image to 240 height, 360 width,
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/// or natural size, whichever is smallest.
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static int compute_image_height(int height, int width) {
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int retval = 240;
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if (height < retval) {
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retval = height;
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}
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float scale = (float) retval / height;
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if (width * scale > 360) {
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scale = (float) 360 / width;
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retval = static_cast<int>(height * scale);
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}
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return retval;
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}
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static void print_table_header(SkFILEWStream* stream,
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const int matchCount,
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const int colorThreshold,
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const RecordArray& differences,
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const SkString &baseDir,
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const SkString &comparisonDir,
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bool doOutputDate = false) {
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stream->writeText("<table>\n");
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stream->writeText("<tr><th>");
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stream->writeText("select image</th>\n<th>");
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if (doOutputDate) {
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SkTime::DateTime dt;
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SkTime::GetDateTime(&dt);
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stream->writeText("SkDiff run at ");
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stream->writeDecAsText(dt.fHour);
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stream->writeText(":");
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if (dt.fMinute < 10) {
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stream->writeText("0");
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}
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stream->writeDecAsText(dt.fMinute);
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stream->writeText(":");
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if (dt.fSecond < 10) {
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stream->writeText("0");
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}
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stream->writeDecAsText(dt.fSecond);
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stream->writeText("<br>");
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}
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stream->writeDecAsText(matchCount);
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stream->writeText(" of ");
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stream->writeDecAsText(differences.count());
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stream->writeText(" diffs matched ");
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if (colorThreshold == 0) {
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stream->writeText("exactly");
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} else {
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stream->writeText("within ");
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stream->writeDecAsText(colorThreshold);
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stream->writeText(" color units per component");
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}
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stream->writeText(".<br>");
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stream->writeText("</th>\n<th>");
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stream->writeText("every different pixel shown in white");
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stream->writeText("</th>\n<th>");
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stream->writeText("color difference at each pixel");
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stream->writeText("</th>\n<th>baseDir: ");
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stream->writeText(baseDir.c_str());
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stream->writeText("</th>\n<th>comparisonDir: ");
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stream->writeText(comparisonDir.c_str());
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stream->writeText("</th>\n");
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stream->writeText("</tr>\n");
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}
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static void print_pixel_count(SkFILEWStream* stream, const DiffRecord& diff) {
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stream->writeText("<br>(");
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stream->writeDecAsText(static_cast<int>(diff.fFractionDifference *
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diff.fBase.fBitmap.width() *
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diff.fBase.fBitmap.height()));
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stream->writeText(" pixels)");
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/*
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stream->writeDecAsText(diff.fWeightedFraction *
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diff.fBaseWidth *
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diff.fBaseHeight);
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stream->writeText(" weighted pixels)");
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*/
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}
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static void print_checkbox_cell(SkFILEWStream* stream, const DiffRecord& diff) {
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stream->writeText("<td><input type=\"checkbox\" name=\"");
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stream->writeText(diff.fBase.fFilename.c_str());
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stream->writeText("\" checked=\"yes\"></td>");
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}
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static void print_label_cell(SkFILEWStream* stream, const DiffRecord& diff) {
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char metricBuf [20];
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stream->writeText("<td><b>");
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stream->writeText(diff.fBase.fFilename.c_str());
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stream->writeText("</b><br>");
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switch (diff.fResult) {
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case DiffRecord::kEqualBits_Result:
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SkDEBUGFAIL("should not encounter DiffRecord with kEqualBits here");
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return;
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case DiffRecord::kEqualPixels_Result:
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SkDEBUGFAIL("should not encounter DiffRecord with kEqualPixels here");
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return;
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case DiffRecord::kDifferentSizes_Result:
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stream->writeText("Image sizes differ</td>");
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return;
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case DiffRecord::kDifferentPixels_Result:
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sprintf(metricBuf, "%.4f%%", 100 * diff.fFractionDifference);
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stream->writeText(metricBuf);
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stream->writeText(" of pixels differ");
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stream->writeText("\n (");
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sprintf(metricBuf, "%.4f%%", 100 * diff.fWeightedFraction);
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stream->writeText(metricBuf);
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stream->writeText(" weighted)");
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// Write the actual number of pixels that differ if it's < 1%
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if (diff.fFractionDifference < 0.01) {
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print_pixel_count(stream, diff);
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}
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stream->writeText("<br>Average color mismatch ");
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stream->writeDecAsText(static_cast<int>(MAX3(diff.fAverageMismatchR,
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diff.fAverageMismatchG,
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diff.fAverageMismatchB)));
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stream->writeText("<br>Max color mismatch ");
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stream->writeDecAsText(MAX3(diff.fMaxMismatchR,
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diff.fMaxMismatchG,
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diff.fMaxMismatchB));
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stream->writeText("</td>");
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break;
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case DiffRecord::kCouldNotCompare_Result:
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stream->writeText("Could not compare.<br>base: ");
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stream->writeText(DiffResource::getStatusDescription(diff.fBase.fStatus));
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stream->writeText("<br>comparison: ");
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stream->writeText(DiffResource::getStatusDescription(diff.fComparison.fStatus));
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stream->writeText("</td>");
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return;
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default:
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SkDEBUGFAIL("encountered DiffRecord with unknown result type");
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return;
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}
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}
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static void print_image_cell(SkFILEWStream* stream, const SkString& path, int height) {
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stream->writeText("<td><a href=\"");
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stream->writeText(path.c_str());
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stream->writeText("\"><img src=\"");
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stream->writeText(path.c_str());
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stream->writeText("\" height=\"");
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stream->writeDecAsText(height);
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stream->writeText("px\"></a></td>");
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}
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static void print_link_cell(SkFILEWStream* stream, const SkString& path, const char* text) {
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stream->writeText("<td><a href=\"");
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stream->writeText(path.c_str());
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stream->writeText("\">");
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stream->writeText(text);
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stream->writeText("</a></td>");
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}
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static void print_diff_resource_cell(SkFILEWStream* stream, DiffResource& resource,
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const SkString& relativePath, bool local) {
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if (resource.fBitmap.empty()) {
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if (DiffResource::kCouldNotDecode_Status == resource.fStatus) {
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if (local && !resource.fFilename.isEmpty()) {
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print_link_cell(stream, resource.fFilename, "N/A");
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return;
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}
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if (!resource.fFullPath.isEmpty()) {
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if (!resource.fFullPath.startsWith(PATH_DIV_STR)) {
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resource.fFullPath.prepend(relativePath);
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}
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print_link_cell(stream, resource.fFullPath, "N/A");
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return;
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}
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}
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stream->writeText("<td>N/A</td>");
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return;
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}
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int height = compute_image_height(resource.fBitmap.height(), resource.fBitmap.width());
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if (local) {
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print_image_cell(stream, resource.fFilename, height);
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return;
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}
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if (!resource.fFullPath.startsWith(PATH_DIV_STR)) {
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resource.fFullPath.prepend(relativePath);
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}
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print_image_cell(stream, resource.fFullPath, height);
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}
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static void print_diff_row(SkFILEWStream* stream, DiffRecord& diff, const SkString& relativePath) {
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stream->writeText("<tr>\n");
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print_checkbox_cell(stream, diff);
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print_label_cell(stream, diff);
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print_diff_resource_cell(stream, diff.fWhite, relativePath, true);
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print_diff_resource_cell(stream, diff.fDifference, relativePath, true);
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print_diff_resource_cell(stream, diff.fBase, relativePath, false);
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print_diff_resource_cell(stream, diff.fComparison, relativePath, false);
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stream->writeText("</tr>\n");
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stream->flush();
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}
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void print_diff_page(const int matchCount,
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const int colorThreshold,
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const RecordArray& differences,
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const SkString& baseDir,
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const SkString& comparisonDir,
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const SkString& outputDir) {
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SkASSERT(!baseDir.isEmpty());
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SkASSERT(!comparisonDir.isEmpty());
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SkASSERT(!outputDir.isEmpty());
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SkString outputPath(outputDir);
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outputPath.append("index.html");
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//SkFILEWStream outputStream ("index.html");
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SkFILEWStream outputStream(outputPath.c_str());
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// Need to convert paths from relative-to-cwd to relative-to-outputDir
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// FIXME this doesn't work if there are '..' inside the outputDir
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bool isPathAbsolute = false;
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// On Windows or Linux, a path starting with PATH_DIV_CHAR is absolute.
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if (outputDir.size() > 0 && PATH_DIV_CHAR == outputDir[0]) {
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isPathAbsolute = true;
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}
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#ifdef SK_BUILD_FOR_WIN32
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// On Windows, absolute paths can also start with "x:", where x is any
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// drive letter.
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if (outputDir.size() > 1 && ':' == outputDir[1]) {
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isPathAbsolute = true;
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}
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#endif
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SkString relativePath;
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if (!isPathAbsolute) {
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unsigned int ui;
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for (ui = 0; ui < outputDir.size(); ui++) {
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if (outputDir[ui] == PATH_DIV_CHAR) {
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relativePath.append(".." PATH_DIV_STR);
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}
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}
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}
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outputStream.writeText(
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"<html>\n<head>\n"
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"<script src=\"https://ajax.googleapis.com/ajax/"
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"libs/jquery/1.7.2/jquery.min.js\"></script>\n"
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"<script type=\"text/javascript\">\n"
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"function generateCheckedList() {\n"
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"var boxes = $(\":checkbox:checked\");\n"
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"var fileCmdLineString = '';\n"
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"var fileMultiLineString = '';\n"
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"for (var i = 0; i < boxes.length; i++) {\n"
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"fileMultiLineString += boxes[i].name + '<br>';\n"
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"fileCmdLineString += boxes[i].name + ' ';\n"
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"}\n"
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"$(\"#checkedList\").html(fileCmdLineString + "
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"'<br><br>' + fileMultiLineString);\n"
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"}\n"
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"</script>\n</head>\n<body>\n");
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print_table_header(&outputStream, matchCount, colorThreshold, differences,
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baseDir, comparisonDir);
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int i;
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for (i = 0; i < differences.count(); i++) {
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DiffRecord* diff = differences[i];
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switch (diff->fResult) {
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// Cases in which there is no diff to report.
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case DiffRecord::kEqualBits_Result:
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case DiffRecord::kEqualPixels_Result:
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continue;
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// Cases in which we want a detailed pixel diff.
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case DiffRecord::kDifferentPixels_Result:
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case DiffRecord::kDifferentSizes_Result:
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case DiffRecord::kCouldNotCompare_Result:
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print_diff_row(&outputStream, *diff, relativePath);
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continue;
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default:
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SkDEBUGFAIL("encountered DiffRecord with unknown result type");
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continue;
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}
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}
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outputStream.writeText(
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"</table>\n"
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"<input type=\"button\" "
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"onclick=\"generateCheckedList()\" "
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"value=\"Create Rebaseline List\">\n"
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"<div id=\"checkedList\"></div>\n"
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"</body>\n</html>\n");
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outputStream.flush();
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}
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