experimental/fiddle -> tools/fiddle

also, test building fiddle_main.cpp & draw.cpp
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1895143002

Review URL: https://codereview.chromium.org/1895143002

1 files changed, 28 insertions, 0 deletions

diff --git a/tools/fiddle/draw.cpp b/tools/fiddle/draw.cpp
new file mode 100644
index 0000000000..78f428da2a
--- /dev/null
+++ b/tools/fiddle/draw.cpp
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2015 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+// This is an example of the translation unit that needs to be
+// assembled by the fiddler program to compile into a fiddle: an
+// implementation of the GetDrawOptions() and draw() functions.
+
+#include "fiddle_main.h"
+DrawOptions GetDrawOptions() {
+    // path *should* be absolute.
+    static const char path[] = "../../resources/color_wheel.png";
+    return DrawOptions(256, 256, true, true, true, true, path);
+}
+void draw(SkCanvas* canvas) {
+    canvas->clear(SK_ColorWHITE);
+    SkMatrix matrix;
+    matrix.setScale(0.75f, 0.75f);
+    matrix.preRotate(30.0f);
+    SkPaint paint;
+    paint.setShader(image->makeShader(SkShader::kRepeat_TileMode,
+                                      SkShader::kRepeat_TileMode,
+                                      &matrix));
+    canvas->drawPaint(paint);
+}