Add clipping options to path text bench and samples

Bug: skia:
Change-Id: I632a2fa5627ef1438d9ab451318a42d12c61b802
Reviewed-on: https://skia-review.googlesource.com/67683
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/tools/sk_tool_utils.cpp b/tools/sk_tool_utils.cpp
index 0a93db4239..56c1f48ed9 100644
--- a/tools/sk_tool_utils.cpp
+++ b/tools/sk_tool_utils.cpp
@@ -263,6 +263,21 @@ void add_to_text_blob(SkTextBlobBuilder* builder, const char* text,
     add_to_text_blob_w_len(builder, text, strlen(text), origPaint, x, y);
 }
 
+SkPath make_star(const SkRect& bounds, int numPts, int step) {
+    SkPath path;
+    path.setFillType(SkPath::kEvenOdd_FillType);
+    path.moveTo(0,-1);
+    for (int i = 1; i < numPts; ++i) {
+        int idx = i*step;
+        SkScalar theta = idx * 2*SK_ScalarPI/numPts + SK_ScalarPI/2;
+        SkScalar x = SkScalarCos(theta);
+        SkScalar y = -SkScalarSin(theta);
+        path.lineTo(x, y);
+    }
+    path.transform(SkMatrix::MakeRectToRect(path.getBounds(), bounds, SkMatrix::kFill_ScaleToFit));
+    return path;
+}
+
 #if !defined(__clang__) && defined(_MSC_VER)
     // MSVC takes ~2 minutes to compile this function with optimization.
     // We don't really care to wait that long for this function.