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/SampleClip.cpp b/samplecode/SampleClip.cpp
index 41192fbbc4..05b5a25e5b 100644
--- a/samplecode/SampleClip.cpp
+++ b/samplecode/SampleClip.cpp
@@ -27,7 +27,7 @@ static void show_text(SkCanvas* canvas, bool doAA) {
 
     for (int i = 0; i < 200; ++i) {
         paint.setColor((SK_A32_MASK << SK_A32_SHIFT) | rand.nextU());
-        canvas->drawText("Hamburgefons", 12,
+        canvas->drawString("Hamburgefons",
                          rand.nextSScalar1() * W, rand.nextSScalar1() * H + 20,
                          paint);
     }