d007281c9a
Change-Id: Ic44e24057b95bb014504f02a736fb4341afc8971 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/304856 Commit-Queue: Mike Klein <mtklein@google.com> Reviewed-by: Mike Klein <mtklein@google.com>
107 lines
2.8 KiB
C++
107 lines
2.8 KiB
C++
/*
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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 "include/core/SkCanvas.h"
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#include "include/core/SkPaint.h"
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#include "include/effects/SkColorMatrixFilter.h"
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#include "include/effects/SkDiscretePathEffect.h"
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#include "include/effects/SkGradientShader.h"
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#include "samplecode/Sample.h"
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#include "src/core/SkBlurMask.h"
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#include "src/effects/SkEmbossMaskFilter.h"
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//#define COLOR 0xFFFF8844
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#define COLOR 0xFF888888
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static void paint_proc0(SkPaint*) {
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}
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static void paint_proc1(SkPaint* paint) {
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paint->setMaskFilter(SkMaskFilter::MakeBlur(
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kNormal_SkBlurStyle,
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SkBlurMask::ConvertRadiusToSigma(2)));
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}
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static void paint_proc2(SkPaint* paint) {
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paint->setMaskFilter(SkEmbossMaskFilter::Make(
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SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(1)),
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{ { SK_Scalar1, SK_Scalar1, SK_Scalar1 }, 0, 64, 16 }));
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}
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static void paint_proc3(SkPaint* paint) {
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SkColor colors[] = { SK_ColorRED, COLOR, SK_ColorBLUE };
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SkPoint pts[] = { { 3, 0 }, { 7, 5 } };
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paint->setShader(SkGradientShader::MakeLinear(pts, colors, nullptr, SK_ARRAY_COUNT(colors),
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SkTileMode::kMirror));
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}
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static void paint_proc5(SkPaint* paint) {
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paint_proc3(paint);
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paint_proc2(paint);
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}
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typedef void (*PaintProc)(SkPaint*);
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const PaintProc gPaintProcs[] = {
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paint_proc0,
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paint_proc1,
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paint_proc2,
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paint_proc3,
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paint_proc5,
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};
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///////////////////////////////////////////////////////////////////////////////
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class EffectsView : public Sample {
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public:
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SkPath fPath;
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SkPaint fPaint[SK_ARRAY_COUNT(gPaintProcs)];
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EffectsView() {
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size_t i;
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const float pts[] = {
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0, 0,
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10, 0,
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10, 5,
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20, -5,
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10, -15,
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10, -10,
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0, -10
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};
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fPath.moveTo(pts[0], pts[1]);
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for (i = 2; i < SK_ARRAY_COUNT(pts); i += 2) {
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fPath.lineTo(pts[i], pts[i+1]);
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}
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for (i = 0; i < SK_ARRAY_COUNT(gPaintProcs); i++) {
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fPaint[i].setAntiAlias(true);
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fPaint[i].setColor(COLOR);
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gPaintProcs[i](&fPaint[i]);
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}
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this->setBGColor(0xFFDDDDDD);
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}
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protected:
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SkString name() override { return SkString("Effects"); }
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void onDrawContent(SkCanvas* canvas) override {
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canvas->scale(3, 3);
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canvas->translate(10, 30);
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for (size_t i = 0; i < SK_ARRAY_COUNT(fPaint); i++) {
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canvas->drawPath(fPath, fPaint[i]);
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canvas->translate(32, 0);
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}
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}
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private:
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typedef Sample INHERITED;
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};
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///////////////////////////////////////////////////////////////////////////////
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DEF_SAMPLE( return new EffectsView(); )
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