Revert "Revert "impl SkSerial picture procs""

This reverts commit 2a3009931d7bb0f5ca31490c4cf19eef205e4e7a.

Implement SkSerialProcs for pictures

Bug: skia:
Change-Id: Icde2d912941a19999e204ac5213f519ed5387e12
Reviewed-on: https://skia-review.googlesource.com/84480
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>

1 files changed, 1 insertions, 15 deletions

diff --git a/src/core/SkReadBuffer.cpp b/src/core/SkReadBuffer.cpp
index c0be4f3490..94bf34af91 100644
--- a/src/core/SkReadBuffer.cpp
+++ b/src/core/SkReadBuffer.cpp
@@ -11,27 +11,13 @@
 #include "SkImageDeserializer.h"
 #include "SkImageGenerator.h"
 #include "SkMakeUnique.h"
+#include "SkMathPriv.h"
 #include "SkMatrixPriv.h"
 #include "SkReadBuffer.h"
 #include "SkStream.h"
 #include "SkTypeface.h"
 
 namespace {
-    // If a signed int holds min_int (e.g. 0x80000000) it is undefined what happens when
-    // we negate it (even though we *know* we're 2's complement and we'll get the same
-    // value back). So we create this helper function that casts to size_t (unsigned) first,
-    // to avoid the complaint.
-    size_t sk_negate_to_size_t(int32_t value) {
-#if defined(_MSC_VER)
-#pragma warning(push)
-#pragma warning(disable : 4146)  // Thanks MSVC, we know what we're negating an unsigned
-#endif
-        return -static_cast<size_t>(value);
-#if defined(_MSC_VER)
-#pragma warning(pop)
-#endif
-    }
-
     // This generator intentionally should always fail on all attempts to get its pixels,
     // simulating a bad or empty codec stream.
     class EmptyImageGenerator final : public SkImageGenerator {