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