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- /*
- * 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 "gm/gm.h"
- #include "include/core/SkBlurTypes.h"
- #include "include/core/SkCanvas.h"
- #include "include/core/SkColor.h"
- #include "include/core/SkFont.h"
- #include "include/core/SkImage.h"
- #include "include/core/SkImageFilter.h"
- #include "include/core/SkMaskFilter.h"
- #include "include/core/SkPaint.h"
- #include "include/core/SkRect.h"
- #include "include/core/SkRefCnt.h"
- #include "include/core/SkString.h"
- #include "include/core/SkTypeface.h"
- #include "include/effects/SkBlurImageFilter.h"
- #include "tools/Resources.h"
- #include "tools/ToolUtils.h"
- #include <stdio.h>
- DEF_SIMPLE_GM(blurimagevmask, canvas, 700, 1200) {
- SkPaint paint;
- paint.setAntiAlias(true);
- paint.setColor(SK_ColorBLACK);
- SkFont font(ToolUtils::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);
- }
- }
- 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;
- }
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