SkPdf: smaller color serialization

bench/PDFBench.cpp

Index: bench/PDFBench.cpp
diff --git a/bench/PDFBench.cpp b/bench/PDFBench.cpp
index 8f5d2db5b4a51b78f40307e452d583395b761643..19f8e2f8cd061bca7c06710b01374a2e778a88f0 100644
--- a/bench/PDFBench.cpp
+++ b/bench/PDFBench.cpp
@@ -164,6 +164,21 @@ struct PDFScalarBench : public Benchmark {
     }
 };
 
+struct PDFColorComponentBench : public Benchmark {
+    bool isSuitableFor(Backend b) override {
+        return b == kNonRendering_Backend;
+    }
+    const char* onGetName() override { return "PDFColorComponent"; }
+    void onDraw(int loops, SkCanvas*) override {
+        char dst[5];
+        while (loops-- > 0) {
+            for (int i = 0; i < 256; ++i) {
+                (void)SkPDFUtils::ColorToDecimal(SkToU8(i), dst);
+            }
+        }
+    }
+};
+
 struct PDFShaderBench : public Benchmark {
     sk_sp<SkShader> fShader;
     const char* onGetName() final { return "PDFShader"; }
@@ -232,6 +247,7 @@ DEF_BENCH(return new PDFImageBench;)
 DEF_BENCH(return new PDFJpegImageBench;)
 DEF_BENCH(return new PDFCompressionBench;)
 DEF_BENCH(return new PDFScalarBench;)
+DEF_BENCH(return new PDFColorComponentBench;)
 DEF_BENCH(return new PDFShaderBench;)
 DEF_BENCH(return new WStreamWriteTextBenchmark;)
 DEF_BENCH(return new WritePDFTextBenchmark;)