| /* |
| * Copyright 2017 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "SkBlurImageFilter.h" |
| #include "SkMaskFilter.h" |
| #include "gm.h" |
| #include "sk_tool_utils.h" |
| |
| |
| DEF_SIMPLE_GM(blurimagevmask, canvas, 700, 1200) { |
| SkPaint paint; |
| paint.setAntiAlias(true); |
| paint.setColor(SK_ColorBLACK); |
| |
| SkFont font(sk_tool_utils::create_portable_typeface(), 25); |
| |
| const double sigmas[] = {3.0, 8.0, 16.0, 24.0, 32.0}; |
| |
| canvas->drawString("mask blur", 285, 50, font, paint); |
| canvas->drawString("image blur", 285 + 250, 50, font, paint); |
| |
| |
| SkRect r = {35, 100, 135, 200}; |
| for (auto sigma:sigmas) { |
| |
| canvas->drawRect(r, paint); |
| |
| char out[100]; |
| sprintf(out, "Sigma: %g", sigma); |
| canvas->drawString(out, r.left(), r.bottom() + 35, font, paint); |
| |
| r.offset(250, 0); |
| |
| paint.setMaskFilter(SkMaskFilter::MakeBlur(kNormal_SkBlurStyle, sigma)); |
| canvas->drawRect(r, paint); |
| paint.setMaskFilter(nullptr); |
| |
| SkPaint imageBlurPaint; |
| r.offset(250, 0); |
| imageBlurPaint.setImageFilter(SkBlurImageFilter::Make(sigma, sigma, nullptr)); |
| canvas->saveLayer(nullptr, &imageBlurPaint); |
| |
| canvas->drawRect(r, paint); |
| canvas->restore(); |
| r.offset(-500, 200); |
| } |
| |
| } |
| |
| #include "Resources.h" |
| DEF_SIMPLE_GM_CAN_FAIL(blur_image, canvas, errorMsg, 500, 500) { |
| auto image = GetResourceAsImage("images/mandrill_128.png"); |
| if (!image) { |
| *errorMsg = "Could not load mandrill_128.png. Did you forget to set the resourcePath?"; |
| return skiagm::DrawResult::kFail; |
| } |
| |
| SkPaint paint; |
| paint.setMaskFilter(SkMaskFilter::MakeBlur(kNormal_SkBlurStyle, 4)); |
| |
| // both of these should draw with the blur, but (formerally) we had a bug where the unscaled |
| // version (taking the spriteblitter code path) ignore the maskfilter. |
| |
| canvas->drawImage(image, 10, 10, &paint); |
| canvas->scale(1.01f, 1.01f); |
| canvas->drawImage(image, 10 + image->width() + 10.f, 10, &paint); |
| return skiagm::DrawResult::kOk; |
| } |