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/gm/texteffects.cpp b/gm/texteffects.cpp
index 5e0f189d61..b98aea714e 100644
--- a/gm/texteffects.cpp
+++ b/gm/texteffects.cpp
@@ -188,7 +188,7 @@ DEF_SIMPLE_GM(texteffects, canvas, 460, 680) {
             //  paint.setMaskFilter(nullptr);
             //  paint.setColor(SK_ColorBLACK);
 
-            canvas->drawText(str.c_str(), str.size(), x, y, paint);
+            canvas->drawString(str, x, y, paint);
 
             y += paint.getFontSpacing();
         }