Compile all fiddle examples locally
Motivation: it would be a good idea if the API documentation examples
were checked into the skia repository, so we could make sure they
compile as part of the commit queue.
Fiddle would make/update a named fiddle each time it gets a new
commit of Skia, extracted from the code in the examples/ directory.
The docs would point at those named fiddles. Named fiddles have urls
in the form:
https://fiddle.skia.org/c/@Bitmap_000
Then we would stick a link to the example into the header documentation
like this:
/** Allocates the pixel memory for the bitmap, given its dimensions
and SkColorType. Returns true on success, where success means
either setPixels() or setPixelRef() was called.
@param bitmap SkBitmap containing SkImageInfo as input, and
SkPixelRef as output
@return true if SkPixelRef was allocated
@example https://fiddle.skia.org/c/@Bitmap_000
*/
bool allocPixelRef(SkBitmap* bitmap) override;
There are still around 200 disabled examples that need to be fixed
(these result from API changes since the author left).
Change-Id: I14a31348a9ccaaa31f65424b91e3a3533d2583a7
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/198824
Commit-Queue: Hal Canary <halcanary@google.com>
Reviewed-by: Leon Scroggins <scroggo@google.com>
Reviewed-by: Joe Gregorio <jcgregorio@google.com>
diff --git a/docs/examples/Path_044.cpp b/docs/examples/Path_044.cpp
new file mode 100644
index 0000000..0a09dc7
--- /dev/null
+++ b/docs/examples/Path_044.cpp
@@ -0,0 +1,27 @@
+// Copyright 2019 Google LLC.
+// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
+#include "fiddle/examples.h"
+// HASH=f2260f2a170a54aef5bafe5b91c121b3
+REG_FIDDLE(Path_044, 256, 192, false, 0) {
+void draw(SkCanvas* canvas) {
+ auto addPoly = [](int sides, SkScalar size, SkPath* path) -> void {
+ path->moveTo(size, 0);
+ for (int i = 1; i < sides; i++) {
+ SkScalar c, s = SkScalarSinCos(SK_ScalarPI * 2 * i / sides, &c);
+ path->lineTo(c * size, s * size);
+ }
+ path->close();
+ };
+ SkPath path;
+ path.incReserve(3 + 4 + 5 + 6 + 7 + 8 + 9);
+ for (int sides = 3; sides < 10; ++sides) {
+ addPoly(sides, sides, &path);
+ }
+ SkMatrix matrix;
+ matrix.setScale(10, 10, -10, -10);
+ path.transform(matrix);
+ SkPaint paint;
+ paint.setStyle(SkPaint::kStroke_Style);
+ canvas->drawPath(path, paint);
+}
+} // END FIDDLE