c877ea2657
Guarded with SK_SUPPORT_LEGACY_DRAWLOOPER Bug: skia:4783 Change-Id: I4a47513624bc5c09816f44e107917dc8028adb94 Reviewed-on: https://skia-review.googlesource.com/c/189871 Reviewed-by: Mike Reed <reed@google.com> Commit-Queue: Mike Reed <reed@google.com> Auto-Submit: Mike Reed <reed@google.com>
181 lines
6.0 KiB
C++
181 lines
6.0 KiB
C++
/*
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* Copyright 2013 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 "SkBlurMask.h"
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#include "SkCanvas.h"
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#include "SkColorFilter.h"
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#include "SkLayerDrawLooper.h"
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#include "SkMaskFilter.h"
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#include "SkPaint.h"
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#include "SkPath.h"
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#include "SkPoint.h"
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#include "SkRect.h"
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#include "SkRRect.h"
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#include "SkString.h"
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// This GM mimics a blurred RR seen in the wild.
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class BlurRoundRectGM : public skiagm::GM {
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public:
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BlurRoundRectGM(int width, int height)
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: fName("blurroundrect"), fWidth(width), fHeight(height) {
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fName.appendf("-WH-%ix%i-unevenCorners", width, height);
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}
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SkString onShortName() override {
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return fName;
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}
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SkISize onISize() override {
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return SkISize::Make(fWidth, fHeight);
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}
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void onOnceBeforeDraw() override {
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SkVector radii[4];
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radii[0].set(SkIntToScalar(30), SkIntToScalar(30));
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radii[1].set(SkIntToScalar(10), SkIntToScalar(10));
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radii[2].set(SkIntToScalar(30), SkIntToScalar(30));
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radii[3].set(SkIntToScalar(10), SkIntToScalar(10));
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SkRect r = SkRect::MakeWH(SkIntToScalar(fWidth), SkIntToScalar(fHeight));
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fRRect.setRectRadii(r, radii);
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}
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void onDraw(SkCanvas* canvas) override {
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SkLayerDrawLooper::Builder looperBuilder;
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{
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SkLayerDrawLooper::LayerInfo info;
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info.fPaintBits = SkLayerDrawLooper::kMaskFilter_Bit
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| SkLayerDrawLooper::kColorFilter_Bit;
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info.fColorMode = SkBlendMode::kSrc;
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info.fOffset = SkPoint::Make(SkIntToScalar(-1), SkIntToScalar(0));
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info.fPostTranslate = false;
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SkPaint* paint = looperBuilder.addLayerOnTop(info);
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paint->setMaskFilter(SkMaskFilter::MakeBlur(
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kNormal_SkBlurStyle,
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SkBlurMask::ConvertRadiusToSigma(SK_ScalarHalf)));
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paint->setColorFilter(SkColorFilter::MakeModeFilter(
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SK_ColorLTGRAY,
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SkBlendMode::kSrcIn));
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paint->setColor(SK_ColorGRAY);
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}
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{
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SkLayerDrawLooper::LayerInfo info;
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looperBuilder.addLayerOnTop(info);
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}
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SkPaint paint;
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canvas->drawRect(fRRect.rect(), paint);
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#ifdef SK_SUPPORT_LEGACY_DRAWLOOPER
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paint.setLooper(looperBuilder.detach());
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#endif
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paint.setColor(SK_ColorCYAN);
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paint.setAntiAlias(true);
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canvas->drawRRect(fRRect, paint);
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}
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private:
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SkString fName;
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SkRRect fRRect;
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int fWidth, fHeight;
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typedef skiagm::GM INHERITED;
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};
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#include "SkGradientShader.h"
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/*
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* Spits out a dummy gradient to test blur with shader on paint
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*/
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static sk_sp<SkShader> MakeRadial() {
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SkPoint pts[2] = {
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{ 0, 0 },
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{ SkIntToScalar(100), SkIntToScalar(100) }
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};
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SkShader::TileMode tm = SkShader::kClamp_TileMode;
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const SkColor colors[] = { SK_ColorRED, SK_ColorGREEN, };
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const SkScalar pos[] = { SK_Scalar1/4, SK_Scalar1*3/4 };
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SkMatrix scale;
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scale.setScale(0.5f, 0.5f);
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scale.postTranslate(5.f, 5.f);
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SkPoint center0, center1;
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center0.set(SkScalarAve(pts[0].fX, pts[1].fX),
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SkScalarAve(pts[0].fY, pts[1].fY));
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center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5),
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SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4));
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return SkGradientShader::MakeTwoPointConical(center1, (pts[1].fX - pts[0].fX) / 7,
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center0, (pts[1].fX - pts[0].fX) / 2,
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colors, pos, SK_ARRAY_COUNT(colors), tm,
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0, &scale);
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}
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// Simpler blurred RR test cases where all the radii are the same.
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class SimpleBlurRoundRectGM : public skiagm::GM {
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public:
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SimpleBlurRoundRectGM()
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: fName("simpleblurroundrect") {
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}
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protected:
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SkString onShortName() override {
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return fName;
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}
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SkISize onISize() override {
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return SkISize::Make(1000, 500);
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}
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void onDraw(SkCanvas* canvas) override {
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canvas->scale(1.5f, 1.5f);
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canvas->translate(50,50);
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const float blurRadii[] = { 1,5,10,20 };
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const int cornerRadii[] = { 1,5,10,20 };
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const SkRect r = SkRect::MakeWH(SkIntToScalar(25), SkIntToScalar(25));
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for (size_t i = 0; i < SK_ARRAY_COUNT(blurRadii); ++i) {
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SkAutoCanvasRestore autoRestore(canvas, true);
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canvas->translate(0, (r.height() + SkIntToScalar(50)) * i);
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for (size_t j = 0; j < SK_ARRAY_COUNT(cornerRadii); ++j) {
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for (int k = 0; k <= 1; k++) {
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SkPaint paint;
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paint.setColor(SK_ColorBLACK);
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paint.setMaskFilter(SkMaskFilter::MakeBlur(kNormal_SkBlurStyle,
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SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(blurRadii[i]))));
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bool useRadial = SkToBool(k);
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if (useRadial) {
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paint.setShader(MakeRadial());
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}
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SkRRect rrect;
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rrect.setRectXY(r, SkIntToScalar(cornerRadii[j]),
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SkIntToScalar(cornerRadii[j]));
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canvas->drawRRect(rrect, paint);
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canvas->translate(r.width() + SkIntToScalar(50), 0);
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}
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}
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}
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}
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private:
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const SkString fName;
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typedef skiagm::GM INHERITED;
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};
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// Create one with dimensions/rounded corners based on the skp
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//
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// TODO(scroggo): Disabled in an attempt to rememdy
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// https://code.google.com/p/skia/issues/detail?id=1801 ('Win7 Test bots all failing GenerateGMs:
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// ran wrong number of tests')
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//DEF_GM(return new BlurRoundRectGM(600, 5514, 6);)
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// Rounded rect with two opposite corners with large radii, the other two
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// small.
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DEF_GM(return new BlurRoundRectGM(100, 100);)
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DEF_GM(return new SimpleBlurRoundRectGM();)
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