aa0600136c
Makes the path sniffing code from BisectSlide reusable. Change-Id: I21c1e752590359c557c35804e5d5044d8041a308 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/460637 Reviewed-by: Jim Van Verth <jvanverth@google.com> Commit-Queue: Chris Dalton <csmartdalton@google.com>
109 lines
3.2 KiB
C++
109 lines
3.2 KiB
C++
/*
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* Copyright 2018 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 "tools/viewer/BisectSlide.h"
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#include "include/core/SkStream.h"
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#include "src/utils/SkOSPath.h"
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#include "tools/ToolUtils.h"
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#include <utility>
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sk_sp<BisectSlide> BisectSlide::Create(const char filepath[]) {
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SkFILEStream stream(filepath);
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if (!stream.isValid()) {
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SkDebugf("BISECT: invalid input file at \"%s\"\n", filepath);
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return nullptr;
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}
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sk_sp<BisectSlide> bisect(new BisectSlide(filepath));
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ToolUtils::sniff_paths(filepath, [&](const SkMatrix& matrix,
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const SkPath& path,
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const SkPaint& paint) {
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SkRect bounds;
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SkIRect ibounds;
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matrix.mapRect(&bounds, path.getBounds());
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bounds.roundOut(&ibounds);
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bisect->fDrawBounds.join(ibounds);
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bisect->fFoundPaths.push_back() = {path, paint, matrix};
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});
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return bisect;
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}
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BisectSlide::BisectSlide(const char filepath[])
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: fFilePath(filepath) {
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const char* basename = strrchr(fFilePath.c_str(), SkOSPath::SEPARATOR);
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fName.printf("BISECT_%s", basename ? basename + 1 : fFilePath.c_str());
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}
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bool BisectSlide::onChar(SkUnichar c) {
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switch (c) {
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case 'X':
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if (!fTossedPaths.empty()) {
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using std::swap;
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swap(fFoundPaths, fTossedPaths);
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if ('X' == fTrail.back()) {
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fTrail.pop_back();
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} else {
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fTrail.push_back('X');
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}
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}
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return true;
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case 'x':
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if (fFoundPaths.count() > 1) {
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int midpt = (fFoundPaths.count() + 1) / 2;
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fPathHistory.emplace(fFoundPaths, fTossedPaths);
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fTossedPaths.reset(fFoundPaths.begin() + midpt, fFoundPaths.count() - midpt);
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fFoundPaths.resize_back(midpt);
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fTrail.push_back('x');
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}
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return true;
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case 'Z': {
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if (!fPathHistory.empty()) {
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fFoundPaths = fPathHistory.top().first;
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fTossedPaths = fPathHistory.top().second;
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fPathHistory.pop();
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char ch;
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do {
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ch = fTrail.back();
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fTrail.pop_back();
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} while (ch != 'x');
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}
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return true;
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}
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case 'D':
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SkDebugf("viewer --bisect %s", fFilePath.c_str());
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if (!fTrail.empty()) {
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SkDebugf(" ");
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for (char ch : fTrail) {
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SkDebugf("%c", ch);
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}
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}
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SkDebugf("\n");
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for (const FoundPath& foundPath : fFoundPaths) {
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foundPath.fPath.dump();
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}
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return true;
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}
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return false;
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}
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void BisectSlide::draw(SkCanvas* canvas) {
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SkAutoCanvasRestore acr(canvas, true);
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canvas->translate(-fDrawBounds.left(), -fDrawBounds.top());
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for (const FoundPath& path : fFoundPaths) {
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SkAutoCanvasRestore acr2(canvas, true);
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canvas->concat(path.fViewMatrix);
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canvas->drawPath(path.fPath, path.fPaint);
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}
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}
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