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84 lines
2.7 KiB
84 lines
2.7 KiB
4 months ago
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/*
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* Copyright 2016 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 "SkDebugCanvas.h"
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#include "SkNullCanvas.h"
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#include "SkPicture.h"
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#include "SkStream.h"
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#include <iostream>
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#ifdef SK_BUILD_FOR_WIN
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#include <fcntl.h>
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#include <io.h>
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#endif
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/*
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If you execute skp_parser with one argument, it spits out a json representation
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of the skp, but that's incomplete since it's missing many binary blobs (these
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could represent images or typefaces or just anything that doesn't currently
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have a json representation). Each unique blob is labeled with a string in the
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form "data/%d". So for example:
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tools/git-sync-deps
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bin/gn gen out/debug
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ninja -C out/debug dm skp_parser
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out/debug/dm -m grayscale -w /tmp/dm --config skp
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out/debug/skp_parser /tmp/dm/skp/gm/grayscalejpg.skp | less
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out/debug/skp_parser /tmp/dm/skp/gm/grayscalejpg.skp | grep data
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out/debug/skp_parser /tmp/dm/skp/gm/grayscalejpg.skp data/0 | file -
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out/debug/skp_parser /tmp/dm/skp/gm/grayscalejpg.skp data/0 > /tmp/data0.png
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"data/0" is an image that the SKP serializer has encoded as PNG.
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*/
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int main(int argc, char** argv) {
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if (argc < 2) {
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SkDebugf("Usage:\n %s SKP_FILE [DATA_URL]\n", argv[0]);
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return 1;
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}
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SkFILEStream input(argv[1]);
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if (!input.isValid()) {
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SkDebugf("Bad file: '%s'\n", argv[1]);
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return 2;
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}
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sk_sp<SkPicture> pic = SkPicture::MakeFromStream(&input);
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if (!pic) {
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SkDebugf("Bad skp: '%s'\n", argv[1]);
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return 3;
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}
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SkISize size = pic->cullRect().roundOut().size();
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SkDebugCanvas debugCanvas(size.width(), size.height());
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pic->playback(&debugCanvas);
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std::unique_ptr<SkCanvas> nullCanvas = SkMakeNullCanvas();
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UrlDataManager dataManager(SkString("data"));
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SkDynamicMemoryWStream stream;
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SkJSONWriter writer(&stream, SkJSONWriter::Mode::kPretty);
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writer.beginObject(); // root
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debugCanvas.toJSON(writer, dataManager, debugCanvas.getSize(), nullCanvas.get());
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writer.endObject(); // root
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writer.flush();
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if (argc > 2) {
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if (UrlDataManager::UrlData* data =
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dataManager.getDataFromUrl(SkString(argv[2]))) {
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SkData* skdata = data->fData.get();
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SkASSERT(skdata);
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#ifdef SK_BUILD_FOR_WIN
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fflush(stdout);
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(void)_setmode(_fileno(stdout), _O_BINARY);
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#endif
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fwrite(skdata->data(), skdata->size(), 1, stdout);
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} else {
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SkDebugf("Bad data url.\n");
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return 4;
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}
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} else {
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sk_sp<SkData> data = stream.detachAsData();
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fwrite(data->data(), data->size(), 1, stdout);
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}
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return 0;
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}
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