experimental/fiddle: update to work again

experimental/fiddle/fiddle_main.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include <stdio.h>
 
 #include <GL/osmesa.h>
@@ skipping 30 matching lines @@
             return;
         }
         b |= (*input & 0xC0) >> 6;
         fputc(codes[b], out);
         b = *input & 0x3F;
         fputc(codes[b], out);
         ++input;
     }
 }
 
-static void dump_output(SkData* data, const char* name, bool last = true) {
+static void dump_output(const sk_sp<SkData>& data,
+                        const char* name, bool last = true) {
     if (data) {
         printf("\t\"%s\": \"", name);
         encode_to_base64(data->data(), data->size(), stdout);
         fputs(last ? "\"\n" : "\",\n", stdout);
     }
 }
 
-static SkData* encode_snapshot(SkSurface* surface) {
-    SkAutoTUnref<SkImage> img(surface->newImageSnapshot());
+static SkData* encode_snapshot(const sk_sp<SkSurface>& surface) {
+    sk_sp<SkImage> img(surface->newImageSnapshot());
     return img ? img->encode() : nullptr;
 }
 
 static OSMesaContext create_osmesa_context() {
     OSMesaContext osMesaContext =
         OSMesaCreateContextExt(OSMESA_BGRA, 0, 0, 0, nullptr);
     if (osMesaContext != nullptr) {
         static uint32_t buffer[16 * 16];
         OSMesaMakeCurrent(osMesaContext, &buffer, GL_UNSIGNED_BYTE, 16, 16);
     }
     return osMesaContext;
 }
 
 static GrContext* create_mesa_grcontext() {
-    SkAutoTUnref<const GrGLInterface> mesa(GrGLCreateMesaInterface());
+    sk_sp<const GrGLInterface> mesa(GrGLCreateMesaInterface());
     intptr_t backend = reinterpret_cast<intptr_t>(mesa.get());
     return backend ? GrContext::Create(kOpenGL_GrBackend, backend) : nullptr;
 }
 
 
 int main() {
     const DrawOptions options = GetDrawOptions();
     fprintf(stderr, "%s\n", options.source);
     if (options.source) {
-        SkAutoTUnref<SkData> data(SkData::NewFromFileName(options.source));
+        sk_sp<SkData> data(SkData::NewFromFileName(options.source));
         if (!data) {
             perror(options.source);
             return 1;
         } else {
-            image = SkImage::NewFromEncoded(data);
+            image = SkImage::NewFromEncoded(data.get());
             if (!image) {
                 perror("Unable to decode the source image.");
                 return 1;
             }
             SkAssertResult(image->asLegacyBitmap(
                                    &source, SkImage::kRO_LegacyBitmapMode));
         }
     }
-    SkAutoTUnref<SkData> rasterData, gpuData, pdfData, skpData;
+    sk_sp<SkData> rasterData, gpuData, pdfData, skpData;
     if (options.raster) {
-        SkAutoTUnref<SkSurface> rasterSurface(
-                SkSurface::NewRaster(SkImageInfo::MakeN32Premul(options.size)));
+        auto rasterSurface =
+                SkSurface::MakeRaster(SkImageInfo::MakeN32Premul(options.size));
         draw(rasterSurface->getCanvas());
         rasterData.reset(encode_snapshot(rasterSurface));
     }
     if (options.gpu) {
         OSMesaContext osMesaContext = create_osmesa_context();
-        SkAutoTUnref<GrContext> grContext(create_mesa_grcontext());
+        sk_sp<GrContext> grContext(create_mesa_grcontext());
         if (!grContext) {
             fputs("Unable to get Mesa GrContext.\n", stderr);
         } else {
-            SkAutoTUnref<SkSurface> surface(
-                    SkSurface::NewRenderTarget(
-                            grContext,
-                            SkBudgeted::kNo,
-                            SkImageInfo::MakeN32Premul(options.size)));
+            auto surface = SkSurface::MakeRenderTarget(
+                    grContext.get(),
+                    SkBudgeted::kNo,
+                    SkImageInfo::MakeN32Premul(options.size));
             if (!surface) {
                 fputs("Unable to get render surface.\n", stderr);
                 exit(1);
             }
             draw(surface->getCanvas());
             gpuData.reset(encode_snapshot(surface));
         }
         if (osMesaContext) {
             OSMesaDestroyContext(osMesaContext);
         }
     }
     if (options.pdf) {
         SkDynamicMemoryWStream pdfStream;
-        SkAutoTUnref<SkDocument> document(SkDocument::CreatePDF(&pdfStream));
+        sk_sp<SkDocument> document(SkDocument::CreatePDF(&pdfStream));
         draw(document->beginPage(options.size.width(), options.size.height()));
         document->close();
         pdfData.reset(pdfStream.copyToData());
     }
     if (options.skp) {
         SkSize size;
         size = options.size;
         SkPictureRecorder recorder;
         draw(recorder.beginRecording(size.width(), size.height()));
-        SkAutoTUnref<SkPicture> picture(recorder.endRecordingAsPicture());
+        auto picture = recorder.finishRecordingAsPicture();
         SkDynamicMemoryWStream skpStream;
         picture->serialize(&skpStream);
         skpData.reset(skpStream.copyToData());
     }
 
     printf("{\n");
     dump_output(rasterData, "Raster", !gpuData && !pdfData && !skpData);
     dump_output(gpuData, "Gpu", !pdfData && !skpData);
     dump_output(pdfData, "Pdf", !skpData);
     dump_output(skpData, "Skp");
     printf("}\n");
 
     SkSafeSetNull(image);
     return 0;
 }