add more docs/examples from named fiddles.

ignore offscreen, srgb, and animated fiddles for now.

Change-Id: I923131b684865698e6cda138b004930e11f504d5
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/263713
Commit-Queue: Hal Canary <halcanary@google.com>
Reviewed-by: Ben Wagner <bungeman@google.com>
diff --git a/docs/examples/inlinepixmapconstructor.cpp b/docs/examples/inlinepixmapconstructor.cpp
new file mode 100644
index 0000000..1fb719c
--- /dev/null
+++ b/docs/examples/inlinepixmapconstructor.cpp
@@ -0,0 +1,12 @@
+// Copyright 2020 Google LLC.
+// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
+#include "tools/fiddle/examples.h"
+REG_FIDDLE(inlinepixmapconstructor, 256, 256, true, 3) {
+void draw(SkCanvas* canvas) {
+    SkDebugf("image alpha only = %s\n", image->isAlphaOnly() ? "true" : "false");
+    SkPMColor pmColors = 0;
+    sk_sp<SkImage> copy =
+            SkImage::MakeRasterCopy({SkImageInfo::MakeA8(1, 1), (uint8_t*)&pmColors, 1});
+    SkDebugf("copy alpha only = %s\n", copy->isAlphaOnly() ? "true" : "false");
+}
+}  // END FIDDLE