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/Rect_021.cpp b/docs/examples/Rect_021.cpp
new file mode 100644
index 0000000..ebb5c55
--- /dev/null
+++ b/docs/examples/Rect_021.cpp
@@ -0,0 +1,23 @@
+// 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=c6c5b40cad7c3a839fdf576b380391a6
+REG_FIDDLE(Rect_021, 256, 256, true, 0) {
+void draw(SkCanvas* canvas) {
+ auto debugster = [](const SkRect& test) -> void {
+ SkRect negZero = {-0.0f, -0.0f, 2, 2};
+ SkDebugf("{%g, %g, %g, %g} %c= {%g, %g, %g, %g} %s numerically equal\n",
+ test.fLeft, test.fTop, test.fRight, test.fBottom,
+ negZero.fLeft, negZero.fTop, negZero.fRight, negZero.fBottom,
+ test == negZero ? '=' : '!',
+ test.fLeft == negZero.fLeft && test.fTop == negZero.fTop &&
+ test.fRight == negZero.fRight && test.fBottom == negZero.fBottom ?
+ "and are" : "yet are not");
+ };
+ SkRect tests[] = {{0, 0, 2, 2}, {-0, -0, 2, 2}, {0.0f, 0.0f, 2, 2}};
+ SkDebugf("tests are %s" "equal\n", tests[0] == tests[1] && tests[1] == tests[2] ? "" : "not ");
+ for (auto rect : tests) {
+ debugster(rect);
+ }
+}
+} // END FIDDLE