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, 5 insertions, 5 deletions

diff --git a/gm/gradtext.cpp b/gm/gradtext.cpp
index 7f7f22277c..cc0c079d77 100644
--- a/gm/gradtext.cpp
+++ b/gm/gradtext.cpp
@@ -57,7 +57,7 @@ protected:
         paint.setShader(make_chrome_solid());
         paint.setTextSize(SkIntToScalar(500));
 
-        canvas->drawText("I", 1, 0, 100, paint);
+        canvas->drawString("I", 0, 100, paint);
     }
 private:
     typedef GM INHERITED;
@@ -77,17 +77,17 @@ protected:
         sk_tool_utils::set_portable_typeface(&paint);
 
         paint.setStyle(SkPaint::kFill_Style);
-        canvas->drawText("Normal Fill Text", 16, 0, 50, paint);
+        canvas->drawString("Normal Fill Text", 0, 50, paint);
         paint.setStyle(SkPaint::kStroke_Style);
-        canvas->drawText("Normal Stroke Text", 18, 0, 100, paint);
+        canvas->drawString("Normal Stroke Text", 0, 100, paint);
 
         // Minimal repro doesn't require AA, LCD, or a nondefault typeface
         paint.setShader(make_chrome_solid());
 
         paint.setStyle(SkPaint::kFill_Style);
-        canvas->drawText("Gradient Fill Text", 18, 0, 150, paint);
+        canvas->drawString("Gradient Fill Text", 0, 150, paint);
         paint.setStyle(SkPaint::kStroke_Style);
-        canvas->drawText("Gradient Stroke Text", 20, 0, 200, paint);
+        canvas->drawString("Gradient Stroke Text", 0, 200, paint);
     }
 private:
     typedef GM INHERITED;