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108 lines
3.3 KiB
108 lines
3.3 KiB
4 months ago
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/*
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* Copyright 2015 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/gm.h"
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#ifndef SK_BUILD_FOR_GOOGLE3
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#include "experimental/xform/SkShape.h"
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#include "experimental/xform/SkXform.h"
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#include "include/core/SkCanvas.h"
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#include "include/core/SkPaint.h"
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#include "tools/timer/TimeUtils.h"
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class XformGM : public skiagm::GM {
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sk_sp<MatrixXF> fRoot, fRA, fRB, fA, fB;
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sk_sp<Shape> fShape;
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public:
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XformGM() {
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fRoot = MatrixXF::Make();
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fRA = MatrixXF::Make(fRoot);
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fRB = MatrixXF::Make(fRoot);
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fA = MatrixXF::Make(fRA);
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fB = MatrixXF::Make(fRB);
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fRA->setRotate(30);
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fA->setTranslate(100, 0);
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fRB->setTranslate(100, 0);
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fB->setRotate(30);
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sk_sp<GroupShape> g = GroupShape::Make();
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g->append(GeoShape::Make(fA, {0, 0, 100, 60}, SK_ColorRED));
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g->append(GeoShape::Make(fB, {0, 0, 100, 60}, SK_ColorGREEN));
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g->append(GeoShape::Make(fRA, {0, 0, 100, 60}, SK_ColorBLUE));
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g->append(GeoShape::Make(fRB, {0, 0, 100, 60}, SK_ColorGRAY));
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g->append(GeoShape::Make(fRoot, {0, 0, 100, 60}, 0xFFCC8844));
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sk_sp<MatrixXF> sub = MatrixXF::Make();
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SkMatrix m;
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m.setScale(0.5, 0.5);
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m.postTranslate(50, 50);
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sub->setLocalMatrix(m);
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sk_sp<GroupShape> parent = GroupShape::Make();
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parent->append(g);
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parent->append(GroupShape::Make(sub, g));
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fShape = parent;
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}
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protected:
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SkString onShortName() override { return SkString("exp_xform"); }
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SkISize onISize() override { return SkISize::Make(520, 520); }
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void onDraw(SkCanvas* canvas) override {
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auto ctx = XContext::Make(canvas);
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if (0) {
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canvas->translate(2, 2);
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SkRect rect{0, 0, 100, 60};
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SkPaint paint; paint.setStyle(SkPaint::kStroke_Style);
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canvas->drawRect(rect, paint);
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canvas->save(); canvas->translate(10, 10);
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paint.setColor(SK_ColorRED); canvas->drawRect(rect, paint); canvas->restore();
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canvas->save(); canvas->scale(2, 2);
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paint.setColor(SK_ColorBLUE); canvas->drawRect(rect, paint); canvas->restore();
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canvas->save(); canvas->scale(2, 2); canvas->translate(10, 10);
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paint.setColor(SK_ColorBLACK); canvas->drawRect(rect, paint); canvas->restore();
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canvas->save(); canvas->translate(10, 10); canvas->scale(2, 2);
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paint.setColor(SK_ColorBLACK); canvas->drawRect(rect, paint); canvas->restore();
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auto x0 = MatrixXF::Make();
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auto x1 = MatrixXF::Make(x0);
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auto x2 = MatrixXF::Make(x1);
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x1->setScale(2, 2);
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x2->setTranslate(10, 10);
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auto sh = GeoShape::Make(x2, {0, 0, 100, 60}, 0x8800FF00);
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sh->draw(ctx.get());
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return;
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}
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fShape->draw(ctx.get());
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}
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bool onAnimate(double nanos) override {
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float scale = 3 + sinf(TimeUtils::Scaled(1e-9 * nanos, 1, 0)) * 2;
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fRoot->setScale(scale, scale);
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fRA->setRotate(TimeUtils::Scaled(1e-9 * nanos, 40, 0));
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fB->setRotate(TimeUtils::Scaled(1e-9 * nanos, 40*sqrtf(2), 0));
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return true;
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}
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private:
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using INHERITED = skiagm::GM;
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};
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DEF_GM( return new XformGM; )
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#endif
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