Bmp Image Decoding

dm/DMSrcSink.cpp

 #include "DMSrcSink.h"
 #include "SamplePipeControllers.h"
 #include "SkCommonFlags.h"
 #include "SkCodec.h"
 #include "SkDocument.h"
 #include "SkError.h"
 #include "SkMultiPictureDraw.h"
 #include "SkNullCanvas.h"
 #include "SkOSFile.h"
 #include "SkPictureRecorder.h"
@@ skipping 122 matching lines @@
                 return Error::Nonfatal("Uninteresting to decode image with alpha into 565.");
             }
             canvas->drawBitmap(subset, SkIntToScalar(x), SkIntToScalar(y));
         }
     }
     return "";
 }
 
 SkISize ImageSrc::size() const {
     SkAutoTUnref<SkData> encoded(SkData::NewFromFileName(fPath.c_str()));
-    SkBitmap bitmap;
-    if (!encoded || !SkImageDecoder::DecodeMemory(encoded->data(),
-                                                  encoded->size(),
-                                                  &bitmap,
-                                                  kUnknown_SkColorType,
-                                                  SkImageDecoder::kDecodeBounds_Mode)) {
-        return SkISize::Make(0,0);
+    if (FLAGS_codec) {
+        SkAutoTDelete<SkCodec> codec(SkCodec::NewFromData(encoded));
+        if (!codec) {
+            return SkISize::Make(0,0);
+        }
+        SkImageInfo info;
+        if (!codec->getInfo(&info)) {
+            return SkISize::Make(0,0);
+        }
+        return info.dimensions();
+    } else {
+        SkBitmap bitmap;
+        if (!encoded || !SkImageDecoder::DecodeMemory(encoded->data(),
+                                                      encoded->size(),
+                                                      &bitmap,
+                                                      kUnknown_SkColorType,
+                                                      SkImageDecoder::kDecodeBounds_Mode)) {
+            return SkISize::Make(0,0);
+        }
+        return bitmap.dimensions();
     }
-    return bitmap.dimensions();
 }
 
 Name ImageSrc::name() const {
     return SkOSPath::Basename(fPath.c_str());
 }
 
 /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
 
 static const SkRect kSKPViewport = {0,0, 1000,1000};
 
@@ skipping 371 matching lines @@
             surfaces.unrefAll();
             return "";
         }
         SkISize size() const SK_OVERRIDE { return fSize; }
         Name name() const SK_OVERRIDE { sk_throw(); return ""; }  // No one should be calling this.
     } proxy(fW, fH, pic, src.size());
     return fSink->draw(proxy, bitmap, stream, log);
 }
 
 }  // namespace DM