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123 lines
4.3 KiB
123 lines
4.3 KiB
/*
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* Copyright 2011 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "gm.h"
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#include "sk_tool_utils.h"
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#include "Resources.h"
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#include "SkBlurMask.h"
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#include "SkImage.h"
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#include "SkMaskFilter.h"
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#include "SkPath.h"
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DEF_SIMPLE_GM_BG(blurs, canvas, 700, 500, 0xFFDDDDDD) {
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SkBlurStyle NONE = SkBlurStyle(-999);
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const struct {
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SkBlurStyle fStyle;
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int fCx, fCy;
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} gRecs[] = {
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{ NONE, 0, 0 },
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{ kInner_SkBlurStyle, -1, 0 },
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{ kNormal_SkBlurStyle, 0, 1 },
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{ kSolid_SkBlurStyle, 0, -1 },
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{ kOuter_SkBlurStyle, 1, 0 },
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};
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SkPaint paint;
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paint.setAntiAlias(true);
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paint.setColor(SK_ColorBLUE);
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canvas->translate(SkIntToScalar(-40), SkIntToScalar(0));
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for (size_t i = 0; i < SK_ARRAY_COUNT(gRecs); i++) {
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if (gRecs[i].fStyle != NONE) {
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paint.setMaskFilter(SkMaskFilter::MakeBlur(gRecs[i].fStyle,
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SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(20))));
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} else {
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paint.setMaskFilter(nullptr);
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}
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canvas->drawCircle(SkIntToScalar(200 + gRecs[i].fCx*100),
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SkIntToScalar(200 + gRecs[i].fCy*100),
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SkIntToScalar(50),
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paint);
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}
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// draw text
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{
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SkFont font(sk_tool_utils::create_portable_typeface(), 25);
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paint.setMaskFilter(SkMaskFilter::MakeBlur(kNormal_SkBlurStyle,
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SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(4))));
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SkScalar x = SkIntToScalar(70);
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SkScalar y = SkIntToScalar(400);
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paint.setColor(SK_ColorBLACK);
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canvas->drawString("Hamburgefons Style", x, y, font, paint);
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canvas->drawString("Hamburgefons Style",
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x, y + SkIntToScalar(50), font, paint);
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paint.setMaskFilter(nullptr);
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paint.setColor(SK_ColorWHITE);
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x -= SkIntToScalar(2);
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y -= SkIntToScalar(2);
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canvas->drawString("Hamburgefons Style", x, y, font, paint);
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}
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}
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//////////////////////////////////////////////////////////////////////////////////////////////
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// exercise a special-case of blurs, which is two nested rects. These are drawn specially,
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// and possibly cached.
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//
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// in particular, we want to notice that the 2nd rect draws slightly differently, since it
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// is translated a fractional amount.
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//
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DEF_SIMPLE_GM(blur2rects, canvas, 700, 500) {
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SkPaint paint;
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paint.setMaskFilter(SkMaskFilter::MakeBlur(kNormal_SkBlurStyle, 2.3f));
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SkRect outer = SkRect::MakeXYWH(10.125f, 10.125f, 100.125f, 100);
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SkRect inner = SkRect::MakeXYWH(20.25f, 20.125f, 80, 80);
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SkPath path;
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path.addRect(outer, SkPath::kCW_Direction);
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path.addRect(inner, SkPath::kCCW_Direction);
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canvas->drawPath(path, paint);
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// important to translate by a factional amount to exercise a different "phase"
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// of the same path w.r.t. the pixel grid
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SkScalar dx = SkScalarRoundToScalar(path.getBounds().width()) + 14 + 0.25f;
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canvas->translate(dx, 0);
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canvas->drawPath(path, paint);
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}
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DEF_SIMPLE_GM(blur2rectsnonninepatch, canvas, 700, 500) {
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SkPaint paint;
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paint.setMaskFilter(SkMaskFilter::MakeBlur(kNormal_SkBlurStyle, 4.3f));
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SkRect outer = SkRect::MakeXYWH(10, 110, 100, 100);
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SkRect inner = SkRect::MakeXYWH(50, 150, 10, 10);
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SkPath path;
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path.addRect(outer, SkPath::kCW_Direction);
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path.addRect(inner, SkPath::kCW_Direction);
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canvas->drawPath(path, paint);
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SkScalar dx = SkScalarRoundToScalar(path.getBounds().width()) + 40 + 0.25f;
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canvas->translate(dx, 0);
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canvas->drawPath(path, paint);
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// Translate to outside of clip bounds.
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canvas->translate(-dx, 0);
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canvas->translate(-30, -150);
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canvas->drawPath(path, paint);
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}
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DEF_SIMPLE_GM(BlurDrawImage, canvas, 256, 256) {
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SkPaint paint;
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paint.setMaskFilter(SkMaskFilter::MakeBlur(kNormal_SkBlurStyle, 10));
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canvas->clear(0xFF88FF88);
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if (auto image = GetResourceAsImage("images/mandrill_512_q075.jpg")) {
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canvas->scale(0.25, 0.25);
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canvas->drawImage(image, 256, 256, &paint);
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}
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}
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