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| 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 "UrlHandler.h" |
| 9 |
| 10 #include "microhttpd.h" |
| 11 #include "SkJSONCanvas.h" |
| 12 #include "../Request.h" |
| 13 #include "../Response.h" |
| 14 |
| 15 using namespace Response; |
| 16 |
| 17 bool InfoHandler::canHandle(const char* method, const char* url) { |
| 18 const char* kBaseName = "/info"; |
| 19 return 0 == strcmp(method, MHD_HTTP_METHOD_GET) && |
| 20 0 == strncmp(url, kBaseName, strlen(kBaseName)); |
| 21 } |
| 22 |
| 23 int InfoHandler::handle(Request* request, MHD_Connection* connection, |
| 24 const char* url, const char* method, |
| 25 const char* upload_data, size_t* upload_data_size) { |
| 26 SkTArray<SkString> commands; |
| 27 SkStrSplit(url, "/", &commands); |
| 28 |
| 29 if (!request->fPicture.get() || commands.count() > 2) { |
| 30 return MHD_NO; |
| 31 } |
| 32 |
| 33 // drawTo |
| 34 SkAutoTUnref<SkSurface> surface(request->createCPUSurface()); |
| 35 SkCanvas* canvas = surface->getCanvas(); |
| 36 |
| 37 int n; |
| 38 // /info or /info/N |
| 39 if (commands.count() == 1) { |
| 40 n = request->fDebugCanvas->getSize() - 1; |
| 41 } else { |
| 42 sscanf(commands[1].c_str(), "%d", &n); |
| 43 } |
| 44 |
| 45 // TODO this is really slow and we should cache the matrix and clip |
| 46 request->fDebugCanvas->drawTo(canvas, n); |
| 47 |
| 48 // make some json |
| 49 SkMatrix vm = request->fDebugCanvas->getCurrentMatrix(); |
| 50 SkIRect clip = request->fDebugCanvas->getCurrentClip(); |
| 51 Json::Value info(Json::objectValue); |
| 52 info["ViewMatrix"] = SkJSONCanvas::MakeMatrix(vm); |
| 53 info["ClipRect"] = SkJSONCanvas::MakeIRect(clip); |
| 54 |
| 55 std::string json = Json::FastWriter().write(info); |
| 56 |
| 57 // We don't want the null terminator so strlen is correct |
| 58 SkAutoTUnref<SkData> data(SkData::NewWithCopy(json.c_str(), strlen(json.c_st
r()))); |
| 59 return SendData(connection, data, "application/json"); |
| 60 } |
| 61 |
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