skia2/docs/examples/State_Stack_a.cpp
Hal Canary d88c2e8e09 Docs: rename examples files to match names
Change-Id: I9a6b2780cfdd91cdd16d5a08eb9ba1214492cb7e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/201982
Commit-Queue: Hal Canary <halcanary@google.com>
Reviewed-by: Hal Canary <halcanary@google.com>
2019-03-19 18:49:22 +00:00

20 lines
1.0 KiB
C++

// 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=bb1dbfdca3aedf716beb6f07e2aab065
REG_FIDDLE(State_Stack_a, 256, 160, false, 0) {
void draw(SkCanvas* canvas) {
SkPaint paint;
canvas->save(); // records stack depth to restore
canvas->clipRect(SkRect::MakeWH(100, 100)); // constrains drawing to clip
canvas->clear(SK_ColorRED); // draws to limit of clip
canvas->save(); // records stack depth to restore
canvas->clipRect(SkRect::MakeWH(50, 150)); // Rect below 100 is ignored
canvas->clear(SK_ColorBLUE); // draws to smaller clip
canvas->restore(); // enlarges clip
canvas->drawLine(20, 20, 150, 150, paint); // line below 100 is not drawn
canvas->restore(); // enlarges clip
canvas->drawLine(150, 20, 50, 120, paint); // line below 100 is drawn
}
} // END FIDDLE