skia2/docs/examples/Exclusion.cpp
Herb Derby 5623d9e36f Replace SK_ARRAY_COUNT with std::size() for skia/docs
Change-Id: I9569ba4760546be6302c24658e64cb58c7db86e5
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/550697
Reviewed-by: John Stiles <johnstiles@google.com>
Commit-Queue: Herb Derby <herb@google.com>
2022-06-16 20:09:58 +00:00

22 lines
889 B
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 "tools/fiddle/examples.h"
// HASH=a544ee1c67c7c557a9e54d5e99f94bb6
REG_FIDDLE(Exclusion, 256, 256, false, 5) {
void draw(SkCanvas* canvas) {
canvas->drawImage(image, 0, 0);
canvas->drawImage(image, 128, 0);
canvas->drawImage(image, 0, 128);
canvas->drawImage(image, 128, 128);
SkPaint paint;
paint.setBlendMode(SkBlendMode::kDstATop);
SkColor alphas[] = { SK_ColorBLACK, SK_ColorTRANSPARENT };
SkPoint vert[] = { { 0, 0 }, { 0, 256 } };
paint.setShader(SkGradientShader::MakeLinear(vert, alphas, nullptr, std::size(alphas),
SkTileMode::kClamp));
canvas->drawPaint(paint);
canvas->clipRect( { 30, 30, 226, 226 } );
canvas->drawColor(0x80bb9977, SkBlendMode::kExclusion);
}
} // END FIDDLE