diff --git a/gm/gmmain.cpp b/gm/gmmain.cpp
index 65058d6..d513a0e 100644
--- a/gm/gmmain.cpp
+++ b/gm/gmmain.cpp
@@ -174,6 +174,8 @@
         | SkGPipeWriter::kSharedAddressSpace_Flag }
 };
 
+static bool encode_to_dct_stream(SkWStream* stream, const SkBitmap& bitmap, const SkIRect& rect);
+
 const static ErrorCombination kDefaultIgnorableErrorTypes = ErrorCombination()
     .plus(kMissingExpectations_ErrorType)
     .plus(kIntentionallySkipped_ErrorType);
@@ -556,6 +558,7 @@
                               SkScalarRoundToInt(content.height()));
             dev = new SkPDFDevice(pageSize, contentSize, initialTransform);
         }
+        dev->setDCTEncoder(encode_to_dct_stream);
         SkAutoUnref aur(dev);
 
         SkCanvas c(dev);
@@ -1246,6 +1249,37 @@
              "each test).");
 DEFINE_string2(writePath, w, "",  "Write rendered images into this directory.");
 DEFINE_string2(writePicturePath, p, "", "Write .skp files into this directory.");
+DEFINE_int32(pdfJpegQuality, -1, "Encodes images in JPEG at quality level N, "
+             "which can be in range 0-100). N = -1 will disable JPEG compression. "
+             "Default is N = 100, maximum quality.");
+
+static bool encode_to_dct_stream(SkWStream* stream, const SkBitmap& bitmap, const SkIRect& rect) {
+    // Filter output of warnings that JPEG is not available for the image.
+    if (bitmap.width() >= 65500 || bitmap.height() >= 65500) return false;
+    if (FLAGS_pdfJpegQuality == -1) return false;
+
+    SkIRect bitmapBounds;
+    SkBitmap subset;
+    const SkBitmap* bitmapToUse = &bitmap;
+    bitmap.getBounds(&bitmapBounds);
+    if (rect != bitmapBounds) {
+        SkAssertResult(bitmap.extractSubset(&subset, rect));
+        bitmapToUse = &subset;
+    }
+
+#if defined(SK_BUILD_FOR_MAC)
+    // Workaround bug #1043 where bitmaps with referenced pixels cause
+    // CGImageDestinationFinalize to crash
+    SkBitmap copy;
+    bitmapToUse->deepCopyTo(&copy, bitmapToUse->config());
+    bitmapToUse = &copy;
+#endif
+
+    return SkImageEncoder::EncodeStream(stream,
+                                        *bitmapToUse,
+                                        SkImageEncoder::kJPEG_Type,
+                                        FLAGS_pdfJpegQuality);
+}
 
 static int findConfig(const char config[]) {
     for (size_t i = 0; i < SK_ARRAY_COUNT(gRec); i++) {
@@ -1804,6 +1838,10 @@
         }
     }
 
+    if (FLAGS_pdfJpegQuality < -1 || FLAGS_pdfJpegQuality > 100) {
+        gm_fprintf(stderr, "%s\n", "pdfJpegQuality must be in [-1 .. 100] range.");
+    }
+
     Iter iter;
     GM* gm;
     while ((gm = iter.next()) != NULL) {