зеркало из https://github.com/mozilla/moz-skia.git
110 строки
2.9 KiB
C++
110 строки
2.9 KiB
C++
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/*
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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 "SampleCode.h"
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#include "SkView.h"
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#include "SkCanvas.h"
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#include "SkDevice.h"
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#include "SkPaint.h"
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static void DrawRoundRect() {
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#ifdef SK_SCALAR_IS_FIXED
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bool ret = false;
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SkPaint paint;
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SkBitmap bitmap;
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SkCanvas canvas;
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SkMatrix matrix;
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matrix.reset();
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bitmap.setConfig(SkBitmap::kARGB_8888_Config, 1370, 812);
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bitmap.allocPixels();
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canvas.setBitmapDevice(bitmap);
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// set up clipper
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SkRect skclip;
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skclip.set(SkIntToFixed(284), SkIntToFixed(40), SkIntToFixed(1370), SkIntToFixed(708));
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ret = canvas.clipRect(skclip);
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SkASSERT(ret);
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matrix.set(SkMatrix::kMTransX, SkFloatToFixed(-1153.28));
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matrix.set(SkMatrix::kMTransY, SkFloatToFixed(1180.50));
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matrix.set(SkMatrix::kMScaleX, SkFloatToFixed(0.177171));
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matrix.set(SkMatrix::kMScaleY, SkFloatToFixed(0.177043));
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matrix.set(SkMatrix::kMSkewX, SkFloatToFixed(0.126968));
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matrix.set(SkMatrix::kMSkewY, SkFloatToFixed(-0.126876));
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matrix.set(SkMatrix::kMPersp0, SkFloatToFixed(0.0));
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matrix.set(SkMatrix::kMPersp1, SkFloatToFixed(0.0));
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ret = canvas.concat(matrix);
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paint.setAntiAlias(true);
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paint.setColor(0xb2202020);
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paint.setStyle(SkPaint::kStroke_Style);
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paint.setStrokeWidth(SkFloatToFixed(68.13));
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SkRect r;
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r.set(SkFloatToFixed(-313.714417), SkFloatToFixed(-4.826389), SkFloatToFixed(18014.447266), SkFloatToFixed(1858.154541));
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canvas.drawRoundRect(r, SkFloatToFixed(91.756363), SkFloatToFixed(91.756363), paint);
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#endif
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}
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#ifdef SK_SCALAR_IS_FLOATx // FIXME: unclear when if ever this can be enabled
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static bool HitTestPath(const SkPath& path, SkScalar x, SkScalar y) {
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SkRegion rgn, clip;
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int ix = SkScalarFloor(x);
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int iy = SkScalarFloor(y);
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clip.setRect(ix, iy, ix + 1, iy + 1);
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bool contains = rgn.setPath(path, clip);
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return contains;
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}
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#endif
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static void TestOverflowHitTest() {
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SkPath path;
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#ifdef SK_SCALAR_IS_FLOATx // FIXME: unclear when if ever this can be enabled
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path.addCircle(0, 0, 70000, SkPath::kCCW_Direction);
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SkASSERT(HitTestPath(path, 40000, 40000));
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#endif
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}
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class OverflowView : public SampleView {
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public:
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OverflowView() {}
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protected:
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// overrides from SkEventSink
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virtual bool onQuery(SkEvent* evt) {
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if (SampleCode::TitleQ(*evt)) {
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SampleCode::TitleR(evt, "Circles");
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return true;
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}
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return this->INHERITED::onQuery(evt);
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}
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virtual void onDrawContent(SkCanvas* canvas) {
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DrawRoundRect();
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TestOverflowHitTest();
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}
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private:
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typedef SampleView INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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static SkView* MyFactory() { return new OverflowView; }
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static SkViewRegister reg(MyFactory);
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