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Unified Diff: tools/skiaserve/urlhandlers/BreakHandler.cpp

Issue 1737643003: Move urlhandlers out of skiaserve.cpp (Closed) Base URL: https://skia.googlesource.com/skia@skiaserve-4
Patch Set: rebase Created 4 years, 10 months ago
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Index: tools/skiaserve/urlhandlers/BreakHandler.cpp
diff --git a/tools/skiaserve/urlhandlers/BreakHandler.cpp b/tools/skiaserve/urlhandlers/BreakHandler.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..9e01c0f509df9f477dbb1ffcb7c382f4a4b5a14b
--- /dev/null
+++ b/tools/skiaserve/urlhandlers/BreakHandler.cpp
@@ -0,0 +1,99 @@
+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "UrlHandler.h"
+
+#include "microhttpd.h"
+#include "../Request.h"
+#include "../Response.h"
+
+using namespace Response;
+
+bool BreakHandler::canHandle(const char* method, const char* url) {
+ static const char* kBasePath = "/break";
+ return 0 == strcmp(method, MHD_HTTP_METHOD_GET) &&
+ 0 == strncmp(url, kBasePath, strlen(kBasePath));
+}
+
+SkColor BreakHandler::GetPixel(Request* request, int x, int y) {
+ SkCanvas* canvas = request->getCanvas();
+ canvas->flush();
+ SkAutoTDelete<SkBitmap> bitmap(request->getBitmapFromCanvas(canvas));
+ SkASSERT(bitmap);
+ bitmap->lockPixels();
+ uint8_t* start = ((uint8_t*) bitmap->getPixels()) + (y * Request::kImageWidth + x) * 4;
+ SkColor result = SkColorSetARGB(start[3], start[0], start[1], start[2]);
+ bitmap->unlockPixels();
+ return result;
+}
+
+
+int BreakHandler::handle(Request* request, MHD_Connection* connection,
+ const char* url, const char* method,
+ const char* upload_data, size_t* upload_data_size) {
+ SkTArray<SkString> commands;
+ SkStrSplit(url, "/", &commands);
+
+ if (!request->fPicture.get() || commands.count() != 4) {
+ return MHD_NO;
+ }
+
+ // /break/<n>/<x>/<y>
+ int n;
+ sscanf(commands[1].c_str(), "%d", &n);
+ int x;
+ sscanf(commands[2].c_str(), "%d", &x);
+ int y;
+ sscanf(commands[3].c_str(), "%d", &y);
+
+ int count = request->fDebugCanvas->getSize();
+ SkASSERT(n < count);
+
+ SkCanvas* canvas = request->getCanvas();
+ canvas->clear(SK_ColorWHITE);
+ int saveCount = canvas->save();
+ for (int i = 0; i <= n; ++i) {
+ request->fDebugCanvas->getDrawCommandAt(i)->execute(canvas);
+ }
+ SkColor target = GetPixel(request, x, y);
+ Json::Value response(Json::objectValue);
+ Json::Value startColor(Json::arrayValue);
+ startColor.append(Json::Value(SkColorGetR(target)));
+ startColor.append(Json::Value(SkColorGetG(target)));
+ startColor.append(Json::Value(SkColorGetB(target)));
+ startColor.append(Json::Value(SkColorGetA(target)));
+ response["startColor"] = startColor;
+ response["endColor"] = startColor;
+ response["endOp"] = Json::Value(n);
+ for (int i = n + 1; i < n + count; ++i) {
+ int index = i % count;
+ if (index == 0) {
+ // reset canvas for wraparound
+ canvas->restoreToCount(saveCount);
+ canvas->clear(SK_ColorWHITE);
+ saveCount = canvas->save();
+ }
+ request->fDebugCanvas->getDrawCommandAt(index)->execute(canvas);
+ SkColor current = GetPixel(request, x, y);
+ if (current != target) {
+ Json::Value endColor(Json::arrayValue);
+ endColor.append(Json::Value(SkColorGetR(current)));
+ endColor.append(Json::Value(SkColorGetG(current)));
+ endColor.append(Json::Value(SkColorGetB(current)));
+ endColor.append(Json::Value(SkColorGetA(current)));
+ response["endColor"] = endColor;
+ response["endOp"] = Json::Value(index);
+ break;
+ }
+ }
+ canvas->restoreToCount(saveCount);
+ SkDynamicMemoryWStream stream;
+ stream.writeText(Json::FastWriter().write(response).c_str());
+ SkAutoTUnref<SkData> data(stream.copyToData());
+ return SendData(connection, data, "application/json");
+}
+
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