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/Point_032.cpp b/docs/examples/Point_032.cpp
new file mode 100644
index 0000000..0c33b78
--- /dev/null
+++ b/docs/examples/Point_032.cpp
@@ -0,0 +1,26 @@
+#if 0 // Disabled until updated to use current API.
+// 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=60a08f3ce75374fc815384616d114df7
+REG_FIDDLE(Point_032, 256, 256, false, 0) {
+void draw(SkCanvas* canvas) {
+ SkPaint paint;
+ paint.setAntiAlias(true);
+ const SkPoint lines[][2] = { {{ 30, 110 }, { 190, 30 }},
+ {{ 30, 220 }, { 120, 140 }}};
+ for (auto line : lines) {
+ canvas->drawLine(line[0], line[1], paint);
+ SkVector vector = line[1] - line[0];
+ SkScalar priorLength = SkPoint::Normalize(&vector);
+ SkVector rotate90 = { -vector.fY, vector.fX };
+ rotate90 *= 10.f;
+ canvas->drawLine(line[0] - rotate90, line[0] + rotate90, paint);
+ canvas->drawLine(line[1] - rotate90, line[1] + rotate90, paint);
+ SkString length("length = ");
+ length.appendScalar(priorLength);
+ canvas->drawString(length, line[0].fX + 25, line[0].fY - 4, paint);
+ }
+}
+} // END FIDDLE
+#endif // Disabled until updated to use current API.