Adding support for playback to L32/S32/F16 canvas.

tools/skiaserve/urlhandlers/ColorModeHandler.cpp

 /*
  * 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 EnableGPUHandler::canHandle(const char* method, const char* url) {
-    static const char* kBasePath = "/enableGPU/";
+bool ColorModeHandler::canHandle(const char* method, const char* url) {
+    static const char* kBasePath = "/colorMode/";
     return 0 == strcmp(method, MHD_HTTP_METHOD_POST) &&
            0 == strncmp(url, kBasePath, strlen(kBasePath));
 }
 
-int EnableGPUHandler::handle(Request* request, MHD_Connection* connection,
+int ColorModeHandler::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 (commands.count() != 2) {
         return MHD_NO;
     }
 
-    int enable;
-    sscanf(commands[1].c_str(), "%d", &enable);
+    int mode;
+    if (1 != sscanf(commands[1].c_str(), "%d", &mode)) {
+        return MHD_NO;
+    }
 
-    bool success = request->enableGPU(enable);
+    bool success = request->setColorMode(mode);
     if (!success) {
-        return SendError(connection, "Unable to create GPU surface");
+        return SendError(connection, "Unable to create requested surface");
     }
     return SendOK(connection);
 }