[PDF] PDF rasterizers fed garbage data in release mode.

gm/gmmain.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 /*
  * Code for the "gm" (Golden Master) rendering comparison tool.
  *
@@ skipping 1058 matching lines @@
             } else {
                 SkAutoTUnref<SkStreamAsset> documentStream(document.detachAsStream());
                 if (writePath && (gRec.fFlags & kWrite_ConfigFlag)) {
                     path = make_filename(writePath, gm->shortName(), gRec.fName, "", "pdf");
                     errors.add(write_document(path, documentStream));
                 }
 
                 if (!(gm->getFlags() & GM::kSkipPDFRasterization_Flag)) {
                     for (int i = 0; i < pdfRasterizers.count(); i++) {
                         SkBitmap pdfBitmap;
-                        SkASSERT(documentStream->rewind());

[epoger, 2013/12/11 17:32:57]

yikes!

+                        documentStream->rewind();
                         bool success = (*pdfRasterizers[i]->fRasterizerFunction)(
                                 documentStream.get(), &pdfBitmap);
                         if (!success) {
                             gm_fprintf(stderr, "FAILED to render PDF for %s using renderer %s\n",
                                        gm->shortName(),
                                        pdfRasterizers[i]->fName);
                             continue;
                         }
 
                         SkString configName(gRec.fName);
@@ skipping 1286 matching lines @@
     if (FLAGS_forceBWtext) {
         canvas->setDrawFilter(SkNEW(BWTextDrawFilter))->unref();
     }
 }
 
 #if !defined(SK_BUILD_FOR_IOS) && !defined(SK_BUILD_FOR_NACL)
 int main(int argc, char * const argv[]) {
     return tool_main(argc, (char**) argv);
 }
 #endif