63 lines
2.2 KiB
C++
63 lines
2.2 KiB
C++
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// Copyright 2020 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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REG_FIDDLE(blur4444, 650, 480, false, 0) {
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void draw(SkCanvas* canvas) {
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bool forceRaster = false;
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bool dither = false;
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bool postDither = false;
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canvas->clear(SK_ColorTRANSPARENT);
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SkPaint grayPaint;
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grayPaint.setColor(SK_ColorGRAY);
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SkPaint ltGrayPaint;
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ltGrayPaint.setColor(SK_ColorLTGRAY);
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canvas->drawRect({350, 0, 400, 480}, ltGrayPaint);
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canvas->drawRect({400, 0, 500, 480}, grayPaint);
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canvas->drawRect({500, 0, 640, 480}, SkPaint());
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canvas->drawRect({0, 200, 320, 215}, ltGrayPaint);
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canvas->drawRect({0, 215, 320, 230}, grayPaint);
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canvas->drawRect({0, 230, 320, 250}, SkPaint());
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sk_sp<SkSurface> surf;
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auto ii = SkImageInfo::Make(650, 480, kARGB_4444_SkColorType, kPremul_SkAlphaType);
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if (canvas->getGrContext() && !forceRaster) {
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surf = SkSurface::MakeRenderTarget(canvas->getGrContext(), SkBudgeted::kNo, ii);
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} else {
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surf = SkSurface::MakeRaster(ii);
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}
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if (!surf) {
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return;
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}
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auto c = surf->getCanvas();
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c->clear(SK_ColorTRANSPARENT);
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SkPaint blrPaint;
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blrPaint.setAntiAlias(true);
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blrPaint.setMaskFilter(SkMaskFilter::MakeBlur(kNormal_SkBlurStyle, 12.047));
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blrPaint.setFilterQuality(kLow_SkFilterQuality);
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blrPaint.setBlendMode(SkBlendMode::kSrc);
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blrPaint.setDither(dither);
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blrPaint.setColor(SK_ColorWHITE);
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c->drawRect(SkRect{0, 20, 640, 104}, blrPaint);
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blrPaint.setColor(SkColorSetARGB(255, 247, 247, 247));
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c->drawRect(SkRect{0, 0, 640, 84}.makeOffset(0, 300), blrPaint);
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static constexpr SkColor colors[]{SkColorSetARGB(255, 247, 247, 247), 0};
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static constexpr SkPoint pts[]{{0.5, 0}, {256.5, 0}};
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auto grd = SkGradientShader::MakeLinear(pts, colors, nullptr, 2, SkTileMode::kClamp);
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SkPaint grdPaint;
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grdPaint.setShader(grd);
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grdPaint.setDither(dither);
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c->drawRect(SkRect{0, 0, 640, 100}.makeOffset(0, 150), grdPaint);
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SkPaint postPaint;
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postPaint.setDither(postDither);
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surf->draw(canvas, 0, 0, &postPaint);
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}
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} // END FIDDLE
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