SkPixelSerializer: remove deprecated virtual

tools/sk_tool_utils.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "sk_tool_utils.h"
 #include "sk_tool_utils_flags.h"
 
@@ skipping 204 matching lines @@
     sk_tool_utils::set_portable_typeface(&paint);
     paint.setColor(c);
     paint.setTextSize(SkIntToScalar(textSize));
 
     canvas.clear(0x00000000);
     canvas.drawText(str, strlen(str), SkIntToScalar(x), SkIntToScalar(y), paint);
 
     return bitmap;
 }
 
+bool PngPixelSerializer::onUseEncodedData(const void*, size_t) { return true; }
+SkData* PngPixelSerializer::onEncode(const SkPixmap& pixmap) {
+    SkBitmap bm;
+    if (!bm.installPixels(pixmap.info(),
+                          const_cast<void*>(pixmap.addr()),
+                          pixmap.rowBytes(),
+                          pixmap.ctable(),
+                          nullptr, nullptr)) {
+        return nullptr;
+    }
+    return SkImageEncoder::EncodeData(bm, SkImageEncoder::kPNG_Type, 100);
+}
+
 void add_to_text_blob(SkTextBlobBuilder* builder, const char* text, const SkPaint& origPaint,
                       SkScalar x, SkScalar y) {
     SkPaint paint(origPaint);
     SkTDArray<uint16_t> glyphs;
 
     size_t len = strlen(text);
     glyphs.append(paint.textToGlyphs(text, len, nullptr));
     paint.textToGlyphs(text, len, glyphs.begin());
 
     paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
@@ skipping 202 matching lines @@
     for (int y = 0; y < src.height(); ++y) {
         for (int x = 0; x < src.width(); ++x) {
             *dst.getAddr32(x, y) = blur_pixel(src, x, y, kernel.get(), wh);
         }
     }
  
     return dst;
 }
 
 }  // namespace sk_tool_utils