117 lines
3.7 KiB
C++
117 lines
3.7 KiB
C++
/*
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* Copyright 2012 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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#include "include/core/SkCanvas.h"
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#include "include/core/SkColor.h"
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#include "include/core/SkPaint.h"
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#include "include/core/SkPath.h"
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#include "include/core/SkRect.h"
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#include "include/core/SkScalar.h"
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#include "include/core/SkSize.h"
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#include "include/core/SkString.h"
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#include "tools/ToolUtils.h"
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static SkRect inset(const SkRect& r) {
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SkRect rect = r;
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rect.inset(r.width() / 8, r.height() / 8);
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return rect;
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}
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class PathInteriorGM : public skiagm::GM {
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public:
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PathInteriorGM() {
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this->setBGColor(0xFFDDDDDD);
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}
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protected:
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SkISize onISize() override {
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return SkISize::Make(770, 770);
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}
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SkString onShortName() override {
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return SkString("pathinterior");
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}
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void show(SkCanvas* canvas, const SkPath& path) {
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SkPaint paint;
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paint.setAntiAlias(true);
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SkRect rect;
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#if 0
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bool hasInterior = path.hasRectangularInterior(&rect);
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#else
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bool hasInterior = false;
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#endif
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paint.setColor(hasInterior ? ToolUtils::color_to_565(0xFF8888FF) : SK_ColorGRAY);
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canvas->drawPath(path, paint);
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paint.setStyle(SkPaint::kStroke_Style);
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paint.setColor(SK_ColorRED);
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canvas->drawPath(path, paint);
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if (hasInterior) {
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paint.setStyle(SkPaint::kFill_Style);
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paint.setColor(0x8800FF00);
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canvas->drawRect(rect, paint);
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}
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}
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void onDraw(SkCanvas* canvas) override {
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canvas->translate(8.5f, 8.5f);
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const SkRect rect = { 0, 0, 80, 80 };
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const SkScalar RAD = rect.width()/8;
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int i = 0;
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for (int insetFirst = 0; insetFirst <= 1; ++insetFirst) {
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for (int doEvenOdd = 0; doEvenOdd <= 1; ++doEvenOdd) {
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for (int outerRR = 0; outerRR <= 1; ++outerRR) {
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for (int innerRR = 0; innerRR <= 1; ++innerRR) {
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for (int outerCW = 0; outerCW <= 1; ++outerCW) {
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for (int innerCW = 0; innerCW <= 1; ++innerCW) {
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SkPath path;
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path.setFillType(doEvenOdd ? SkPathFillType::kEvenOdd : SkPathFillType::kWinding);
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SkPathDirection outerDir = outerCW ? SkPathDirection::kCW : SkPathDirection::kCCW;
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SkPathDirection innerDir = innerCW ? SkPathDirection::kCW : SkPathDirection::kCCW;
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SkRect r = insetFirst ? inset(rect) : rect;
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if (outerRR) {
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path.addRoundRect(r, RAD, RAD, outerDir);
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} else {
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path.addRect(r, outerDir);
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}
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r = insetFirst ? rect : inset(rect);
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if (innerRR) {
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path.addRoundRect(r, RAD, RAD, innerDir);
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} else {
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path.addRect(r, innerDir);
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}
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SkScalar dx = (i / 8) * rect.width() * 6 / 5;
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SkScalar dy = (i % 8) * rect.height() * 6 / 5;
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i++;
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path.offset(dx, dy);
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this->show(canvas, path);
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}
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}
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}
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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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using INHERITED = GM;
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};
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//////////////////////////////////////////////////////////////////////////////
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DEF_GM( return new PathInteriorGM; )
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