b339d051e0
Bug: skia:7650 Change-Id: I0fa4c5f3fb350705f78ee91f4bdfb4edd83d0ed9 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/361360 Reviewed-by: Mike Reed <reed@google.com> Commit-Queue: Mike Reed <reed@google.com>
29 lines
1.1 KiB
C++
29 lines
1.1 KiB
C++
// Copyright 2019 Google LLC.
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// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
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#include "tools/fiddle/examples.h"
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// HASH=76d4d4a7931a48495e4d5f54e073be53
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REG_FIDDLE(Dither_b, 256, 256, false, 0) {
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void draw(SkCanvas* canvas) {
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canvas->clear(0);
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SkBitmap bm32;
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bm32.allocPixels(SkImageInfo::Make(20, 10, kN32_SkColorType, kPremul_SkAlphaType));
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SkCanvas c32(bm32);
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SkPoint points[] = {{0, 0}, {20, 0}};
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SkColor colors[] = {0xFF334455, 0xFF662211 };
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SkPaint paint;
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paint.setShader(SkGradientShader::MakeLinear(
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points, colors, nullptr, SK_ARRAY_COUNT(colors),
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SkTileMode::kClamp));
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paint.setDither(true);
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auto img = bm32.asImage();
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c32.drawPaint(paint);
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canvas->scale(12, 12);
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canvas->drawImage(img, 0, 0);
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paint.setBlendMode(SkBlendMode::kPlus);
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SkSamplingOptions sampling;
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canvas->drawImage(img, 0, 11, sampling, &paint);
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canvas->drawImage(img, 0, 11, sampling, &paint);
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canvas->drawImage(img, 0, 11, sampling, &paint);
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}
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} // END FIDDLE
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