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, 3 insertions, 4 deletions

diff --git a/gm/complexclip.cpp b/gm/complexclip.cpp
index 296871581d..ae9c4db31f 100644
--- a/gm/complexclip.cpp
+++ b/gm/complexclip.cpp
@@ -151,15 +151,14 @@ protected:
                 SkScalar txtX = SkIntToScalar(45);
                 paint.setColor(gClipAColor);
                 const char* aTxt = doInvA ? "InvA " : "A ";
-                canvas->drawText(aTxt, strlen(aTxt), txtX, SkIntToScalar(220), paint);
+                canvas->drawString(aTxt, txtX, SkIntToScalar(220), paint);
                 txtX += paint.measureText(aTxt, strlen(aTxt));
                 paint.setColor(SK_ColorBLACK);
-                canvas->drawText(gOps[op].fName, strlen(gOps[op].fName),
-                                    txtX, SkIntToScalar(220), paint);
+                canvas->drawString(gOps[op].fName, txtX, SkIntToScalar(220), paint);
                 txtX += paint.measureText(gOps[op].fName, strlen(gOps[op].fName));
                 paint.setColor(gClipBColor);
                 const char* bTxt = doInvB ? "InvB " : "B ";
-                canvas->drawText(bTxt, strlen(bTxt), txtX, SkIntToScalar(220), paint);
+                canvas->drawString(bTxt, txtX, SkIntToScalar(220), paint);
 
                 canvas->translate(SkIntToScalar(250),0);
             }