add drawString helper to canvas

Many tests and examples use drawText with
a guess of how long the text is in bytes,
or a call to strlen(). Add a helper to
SkCanvas to simplify these examples.

Add another helper for SkString.

R=reed@google.com

Change-Id: I0204a31e938f065606f08ee7cd9a6b36db791ee2
Reviewed-on: https://skia-review.googlesource.com/13642
Commit-Queue: Cary Clark <caryclark@google.com>
Reviewed-by: Cary Clark <caryclark@google.com>
Reviewed-by: Mike Reed <reed@google.com>
Reviewed-by: Cary Clark <caryclark@skia.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/samplecode/SampleShip.cpp b/samplecode/SampleShip.cpp
index 9d65b6f690..08f794abab 100644
--- a/samplecode/SampleShip.cpp
+++ b/samplecode/SampleShip.cpp
@@ -150,7 +150,7 @@ protected:
         paint.setColor(SK_ColorBLACK);
         canvas->drawRect(SkRect::MakeXYWH(0, 0, 200, 24), paint);
         paint.setColor(SK_ColorWHITE);
-        canvas->drawText(outString.c_str(), outString.size(), 5, 15, paint);
+        canvas->drawString(outString, 5, 15, paint);
 
         this->inval(nullptr);
     }