1/* 2 * Copyright 2016 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8#include "include/core/SkPicture.h" 9#include "include/core/SkStream.h" 10#include "include/utils/SkNullCanvas.h" 11#include "tools/debugger/DebugCanvas.h" 12 13#include <iostream> 14 15#ifdef SK_BUILD_FOR_WIN 16#include <fcntl.h> 17#include <io.h> 18#endif 19 20/* 21If you execute skp_parser with one argument, it spits out a json representation 22of the skp, but that's incomplete since it's missing many binary blobs (these 23could represent images or typefaces or just anything that doesn't currently 24have a json representation). Each unique blob is labeled with a string in the 25form "data/%d". So for example: 26 27 tools/git-sync-deps 28 bin/gn gen out/debug 29 ninja -C out/debug dm skp_parser 30 out/debug/dm -m grayscale -w /tmp/dm --config skp 31 out/debug/skp_parser /tmp/dm/skp/gm/grayscalejpg.skp | less 32 out/debug/skp_parser /tmp/dm/skp/gm/grayscalejpg.skp | grep data 33 out/debug/skp_parser /tmp/dm/skp/gm/grayscalejpg.skp data/0 | file - 34 out/debug/skp_parser /tmp/dm/skp/gm/grayscalejpg.skp data/0 > /tmp/data0.png 35 36"data/0" is an image that the SKP serializer has encoded as PNG. 37*/ 38int main(int argc, char** argv) { 39 if (argc < 2) { 40 SkDebugf("Usage:\n %s SKP_FILE [DATA_URL]\n", argv[0]); 41 return 1; 42 } 43 SkFILEStream input(argv[1]); 44 if (!input.isValid()) { 45 SkDebugf("Bad file: '%s'\n", argv[1]); 46 return 2; 47 } 48 sk_sp<SkPicture> pic = SkPicture::MakeFromStream(&input); 49 if (!pic) { 50 SkDebugf("Bad skp: '%s'\n", argv[1]); 51 return 3; 52 } 53 SkISize size = pic->cullRect().roundOut().size(); 54 DebugCanvas debugCanvas(size.width(), size.height()); 55 pic->playback(&debugCanvas); 56 std::unique_ptr<SkCanvas> nullCanvas = SkMakeNullCanvas(); 57 UrlDataManager dataManager(SkString("data")); 58 SkDynamicMemoryWStream stream; 59 SkJSONWriter writer(&stream, SkJSONWriter::Mode::kPretty); 60 writer.beginObject(); // root 61 debugCanvas.toJSON(writer, dataManager, nullCanvas.get()); 62 writer.endObject(); // root 63 writer.flush(); 64 if (argc > 2) { 65 if (UrlDataManager::UrlData* data = 66 dataManager.getDataFromUrl(SkString(argv[2]))) { 67 SkData* skdata = data->fData.get(); 68 SkASSERT(skdata); 69 #ifdef SK_BUILD_FOR_WIN 70 fflush(stdout); 71 (void)_setmode(_fileno(stdout), _O_BINARY); 72 #endif 73 fwrite(skdata->data(), skdata->size(), 1, stdout); 74 } else { 75 SkDebugf("Bad data url.\n"); 76 return 4; 77 } 78 } else { 79 sk_sp<SkData> data = stream.detachAsData(); 80 fwrite(data->data(), data->size(), 1, stdout); 81 } 82 return 0; 83} 84
