SkScaledCodec class

src/codec/SkCodec_wbmp.cpp

Index: src/codec/SkCodec_wbmp.cpp
diff --git a/src/codec/SkCodec_wbmp.cpp b/src/codec/SkCodec_wbmp.cpp
index 86dce5cc89e95590f8d0d138df9bda352994f95d..fe06b5989006201ba1844121dd8f2c57e7ee0621 100644
--- a/src/codec/SkCodec_wbmp.cpp
+++ b/src/codec/SkCodec_wbmp.cpp
@@ -9,6 +9,7 @@
 #include "SkCodecPriv.h"
 #include "SkColorPriv.h"
 #include "SkColorTable.h"
+#include "SkScaledCodec.h"
 #include "SkStream.h"
 #include "SkCodec_wbmp.h"
 
@@ -88,8 +89,8 @@ SkSwizzler* SkWbmpCodec::initializeSwizzler(const SkImageInfo& info,
         case kIndex_8_SkColorType:
         case kN32_SkColorType:
         case kGray_8_SkColorType:
-            return SkSwizzler::CreateSwizzler(
-                    SkSwizzler::kBit, ctable, info, opts.fZeroInitialized);
+            return SkSwizzler::CreateSwizzler(SkSwizzler::kBit, ctable, info, opts.fZeroInitialized, 
+                                              this->getInfo().width());
         default:
             return NULL;
     }
@@ -205,7 +206,9 @@ public:
             return SkCodec::kUnimplemented;
         }
         if (dstInfo.dimensions() != this->getInfo().dimensions()) {
-            return SkCodec::kInvalidScale;
+            if (!SkScaledCodec::DimensionsSupportedForSampling(this->getInfo(), dstInfo)) {
+                return SkCodec::kInvalidScale;
+            }
         }
 
         // Fill in the color table
@@ -226,6 +229,10 @@ public:
         return SkCodec::kSuccess;
     }
 
+    SkEncodedFormat onGetEncodedFormat() const {
+        return kWBMP_SkEncodedFormat;
+    }
+
 private:
     SkAutoTDelete<SkWbmpCodec>   fCodec;
     SkAutoTUnref<SkColorTable>   fColorTable;