Add an SVG DM source

dm/DMSrcSink.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 "DMSrcSink.h"
 #include "Resources.h"
 #include "SkAndroidCodec.h"
@@ skipping 16 matching lines @@
 #include "SkOSFile.h"
 #include "SkOpts.h"
 #include "SkPictureData.h"
 #include "SkPictureRecorder.h"
 #include "SkRandom.h"
 #include "SkRecordDraw.h"
 #include "SkRecorder.h"
 #include "SkSVGCanvas.h"
 #include "SkStream.h"
 #include "SkTLogic.h"
+#include "SkSVGDOM.h"
 #include "SkSwizzler.h"
 #include <functional>
 
 #if defined(SK_BUILD_FOR_WIN)
     #include "SkAutoCoInitialize.h"
 #endif
 
 #if defined(SK_TEST_QCMS)
     #include "qcms.h"
 #endif
@@ skipping 956 matching lines @@
     SkRect viewport = kSKPViewport;
     if (!viewport.intersect(info.fCullRect)) {
         return SkISize::Make(0,0);
     }
     return viewport.roundOut().size();
 }
 
 Name SKPSrc::name() const { return SkOSPath::Basename(fPath.c_str()); }
 
 /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
+#if defined(SK_XML)
+// Should we try to use the SVG intrinsic size instead?
+static const SkSize kSVGSize = SkSize::Make(1000, 1000);
+
+SVGSrc::SVGSrc(Path path) : fPath(path) {}
+
+Error SVGSrc::draw(SkCanvas* canvas) const {
+    SkFILEStream stream(fPath.c_str());
+    if (!stream.isValid()) {
+        return SkStringPrintf("Unable to open file: %s", fPath.c_str());
+    }
+
+    sk_sp<SkSVGDOM> dom = SkSVGDOM::MakeFromStream(stream, kSVGSize);
+    if (!dom) {
+        return SkStringPrintf("Unable to parse file: %s", fPath.c_str());
+    }
+
+    dom->render(canvas);
+
+    return "";
+}
+
+SkISize SVGSrc::size() const {
+    return kSVGSize.toRound();
+}
+
+Name SVGSrc::name() const { return SkOSPath::Basename(fPath.c_str()); }
+
+#endif // defined(SK_XML)
+/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
 
 MSKPSrc::MSKPSrc(Path path) : fPath(path) {
     std::unique_ptr<SkStreamAsset> stream(SkStream::NewFromFile(fPath.c_str()));
     (void)fReader.init(stream.get());
 }
 
 int MSKPSrc::pageCount() const { return fReader.pageCount(); }
 
 SkISize MSKPSrc::size() const { return this->size(0); }
 SkISize MSKPSrc::size(int i) const { return fReader.pageSize(i).toCeil(); }
@@ skipping 534 matching lines @@
             skr.visit(i, drawsAsSingletonPictures);
         }
         sk_sp<SkPicture> macroPic(macroRec.finishRecordingAsPicture());
 
         canvas->drawPicture(macroPic);
         return check_against_reference(bitmap, src, fSink);
     });
 }
 
 }  // namespace DM