| |
| /* |
| * Copyright 2011 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| #include "SkBenchmark.h" |
| #include "SkBitmap.h" |
| #include "SkCanvas.h" |
| #include "SkDashPathEffect.h" |
| #include "SkPaint.h" |
| #include "SkPath.h" |
| #include "SkRandom.h" |
| #include "SkString.h" |
| #include "SkTDArray.h" |
| |
| |
| /* |
| * Cases to consider: |
| * |
| * 1. antialiasing on/off (esp. width <= 1) |
| * 2. strokewidth == 0, 1, 2 |
| * 3. hline, vline, diagonal, rect, oval |
| * 4. dots [1,1] ([N,N] where N=strokeWidth?) or arbitrary (e.g. [2,1] or [1,2,3,2]) |
| */ |
| static void path_hline(SkPath* path) { |
| path->moveTo(SkIntToScalar(10), SkIntToScalar(10)); |
| path->lineTo(SkIntToScalar(600), SkIntToScalar(10)); |
| } |
| |
| class DashBench : public SkBenchmark { |
| protected: |
| SkString fName; |
| SkTDArray<SkScalar> fIntervals; |
| int fWidth; |
| SkPoint fPts[2]; |
| bool fDoClip; |
| |
| enum { |
| N = SkBENCHLOOP(100) |
| }; |
| public: |
| DashBench(void* param, const SkScalar intervals[], int count, int width, |
| bool doClip = false) : INHERITED(param) { |
| fIntervals.append(count, intervals); |
| for (int i = 0; i < count; ++i) { |
| fIntervals[i] *= width; |
| } |
| fWidth = width; |
| fName.printf("dash_%d_%s", width, doClip ? "clipped" : "noclip"); |
| fDoClip = doClip; |
| |
| fPts[0].set(SkIntToScalar(10), SkIntToScalar(10)); |
| fPts[1].set(SkIntToScalar(600), SkIntToScalar(10)); |
| } |
| |
| virtual void makePath(SkPath* path) { |
| path_hline(path); |
| } |
| |
| protected: |
| virtual const char* onGetName() SK_OVERRIDE { |
| return fName.c_str(); |
| } |
| |
| virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE { |
| SkPaint paint; |
| this->setupPaint(&paint); |
| paint.setStyle(SkPaint::kStroke_Style); |
| paint.setStrokeWidth(SkIntToScalar(fWidth)); |
| paint.setAntiAlias(false); |
| |
| SkPath path; |
| this->makePath(&path); |
| |
| paint.setPathEffect(new SkDashPathEffect(fIntervals.begin(), |
| fIntervals.count(), 0))->unref(); |
| |
| if (fDoClip) { |
| SkRect r = path.getBounds(); |
| r.inset(-SkIntToScalar(20), -SkIntToScalar(20)); |
| // now move it so we don't intersect |
| r.offset(0, r.height() * 3 / 2); |
| canvas->clipRect(r); |
| } |
| |
| this->handlePath(canvas, path, paint, N); |
| } |
| |
| virtual void handlePath(SkCanvas* canvas, const SkPath& path, |
| const SkPaint& paint, int N) { |
| for (int i = 0; i < N; ++i) { |
| // canvas->drawPoints(SkCanvas::kLines_PointMode, 2, fPts, paint); |
| canvas->drawPath(path, paint); |
| } |
| } |
| |
| private: |
| typedef SkBenchmark INHERITED; |
| }; |
| |
| class RectDashBench : public DashBench { |
| public: |
| RectDashBench(void* param, const SkScalar intervals[], int count, int width, bool doClip = false) |
| : INHERITED(param, intervals, count, width) { |
| fName.append("_rect"); |
| } |
| |
| protected: |
| virtual void handlePath(SkCanvas* canvas, const SkPath& path, |
| const SkPaint& paint, int N) SK_OVERRIDE { |
| SkPoint pts[2]; |
| if (!path.isLine(pts) || pts[0].fY != pts[1].fY) { |
| this->INHERITED::handlePath(canvas, path, paint, N); |
| } else { |
| SkRect rect; |
| rect.fLeft = pts[0].fX; |
| rect.fTop = pts[0].fY - paint.getStrokeWidth() / 2; |
| rect.fRight = rect.fLeft + SkIntToScalar(fWidth); |
| rect.fBottom = rect.fTop + paint.getStrokeWidth(); |
| |
| SkPaint p(paint); |
| p.setStyle(SkPaint::kFill_Style); |
| p.setPathEffect(NULL); |
| |
| int count = SkScalarRoundToInt((pts[1].fX - pts[0].fX) / (2*fWidth)); |
| SkScalar dx = SkIntToScalar(2 * fWidth); |
| |
| for (int i = 0; i < N*10; ++i) { |
| SkRect r = rect; |
| for (int j = 0; j < count; ++j) { |
| canvas->drawRect(r, p); |
| r.offset(dx, 0); |
| } |
| } |
| } |
| } |
| |
| private: |
| typedef DashBench INHERITED; |
| }; |
| |
| static void make_unit_star(SkPath* path, int n) { |
| SkScalar rad = -SK_ScalarPI / 2; |
| const SkScalar drad = (n >> 1) * SK_ScalarPI * 2 / n; |
| |
| path->moveTo(0, -SK_Scalar1); |
| for (int i = 1; i < n; i++) { |
| rad += drad; |
| SkScalar cosV, sinV = SkScalarSinCos(rad, &cosV); |
| path->lineTo(cosV, sinV); |
| } |
| path->close(); |
| } |
| |
| static void make_poly(SkPath* path) { |
| make_unit_star(path, 9); |
| SkMatrix matrix; |
| matrix.setScale(SkIntToScalar(100), SkIntToScalar(100)); |
| path->transform(matrix); |
| } |
| |
| static void make_quad(SkPath* path) { |
| SkScalar x0 = SkIntToScalar(10); |
| SkScalar y0 = SkIntToScalar(10); |
| path->moveTo(x0, y0); |
| path->quadTo(x0, y0 + 400 * SK_Scalar1, |
| x0 + 600 * SK_Scalar1, y0 + 400 * SK_Scalar1); |
| } |
| |
| static void make_cubic(SkPath* path) { |
| SkScalar x0 = SkIntToScalar(10); |
| SkScalar y0 = SkIntToScalar(10); |
| path->moveTo(x0, y0); |
| path->cubicTo(x0, y0 + 400 * SK_Scalar1, |
| x0 + 600 * SK_Scalar1, y0 + 400 * SK_Scalar1, |
| x0 + 600 * SK_Scalar1, y0); |
| } |
| |
| class MakeDashBench : public SkBenchmark { |
| SkString fName; |
| SkPath fPath; |
| SkAutoTUnref<SkPathEffect> fPE; |
| |
| enum { |
| N = SkBENCHLOOP(400) |
| }; |
| |
| public: |
| MakeDashBench(void* param, void (*proc)(SkPath*), const char name[]) : INHERITED(param) { |
| fName.printf("makedash_%s", name); |
| proc(&fPath); |
| |
| SkScalar vals[] = { SkIntToScalar(4), SkIntToScalar(4) }; |
| fPE.reset(new SkDashPathEffect(vals, 2, 0)); |
| } |
| |
| protected: |
| virtual const char* onGetName() SK_OVERRIDE { |
| return fName.c_str(); |
| } |
| |
| virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE { |
| SkPath dst; |
| for (int i = 0; i < N; ++i) { |
| SkStrokeRec rec(SkStrokeRec::kHairline_InitStyle); |
| |
| fPE->filterPath(&dst, fPath, &rec); |
| dst.rewind(); |
| } |
| } |
| |
| private: |
| typedef SkBenchmark INHERITED; |
| }; |
| |
| /* |
| * We try to special case square dashes (intervals are equal to strokewidth). |
| */ |
| class DashLineBench : public SkBenchmark { |
| SkString fName; |
| SkPath fPath; |
| SkScalar fStrokeWidth; |
| bool fIsRound; |
| SkAutoTUnref<SkPathEffect> fPE; |
| |
| enum { |
| N = SkBENCHLOOP(200) |
| }; |
| |
| public: |
| DashLineBench(void* param, SkScalar width, bool isRound) : INHERITED(param) { |
| fName.printf("dashline_%g_%s", SkScalarToFloat(width), isRound ? "circle" : "square"); |
| fStrokeWidth = width; |
| fIsRound = isRound; |
| |
| SkScalar vals[] = { SK_Scalar1, SK_Scalar1 }; |
| fPE.reset(new SkDashPathEffect(vals, 2, 0)); |
| } |
| |
| protected: |
| virtual const char* onGetName() SK_OVERRIDE { |
| return fName.c_str(); |
| } |
| |
| virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE { |
| SkPaint paint; |
| this->setupPaint(&paint); |
| paint.setStrokeWidth(fStrokeWidth); |
| paint.setStrokeCap(fIsRound ? SkPaint::kRound_Cap : SkPaint::kSquare_Cap); |
| paint.setPathEffect(fPE); |
| for (int i = 0; i < N; ++i) { |
| canvas->drawLine(10 * SK_Scalar1, 10 * SK_Scalar1, |
| 640 * SK_Scalar1, 10 * SK_Scalar1, paint); |
| } |
| } |
| |
| private: |
| typedef SkBenchmark INHERITED; |
| }; |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| static const SkScalar gDots[] = { SK_Scalar1, SK_Scalar1 }; |
| |
| #define PARAM(array) array, SK_ARRAY_COUNT(array) |
| |
| static SkBenchmark* gF0(void* p) { return new DashBench(p, PARAM(gDots), 0); } |
| static SkBenchmark* gF1(void* p) { return new DashBench(p, PARAM(gDots), 1); } |
| static SkBenchmark* gF2(void* p) { return new DashBench(p, PARAM(gDots), 1, true); } |
| static SkBenchmark* gF3(void* p) { return new DashBench(p, PARAM(gDots), 4); } |
| static SkBenchmark* gF4(void* p) { return new MakeDashBench(p, make_poly, "poly"); } |
| static SkBenchmark* gF5(void* p) { return new MakeDashBench(p, make_quad, "quad"); } |
| static SkBenchmark* gF6(void* p) { return new MakeDashBench(p, make_cubic, "cubic"); } |
| static SkBenchmark* gF700(void* p) { return new DashLineBench(p, 0, false); } |
| static SkBenchmark* gF710(void* p) { return new DashLineBench(p, SK_Scalar1, false); } |
| static SkBenchmark* gF720(void* p) { return new DashLineBench(p, 2 * SK_Scalar1, false); } |
| static SkBenchmark* gF701(void* p) { return new DashLineBench(p, 0, true); } |
| static SkBenchmark* gF711(void* p) { return new DashLineBench(p, SK_Scalar1, true); } |
| static SkBenchmark* gF721(void* p) { return new DashLineBench(p, 2 * SK_Scalar1, true); } |
| |
| static BenchRegistry gR0(gF0); |
| static BenchRegistry gR1(gF1); |
| static BenchRegistry gR2(gF2); |
| static BenchRegistry gR3(gF3); |
| static BenchRegistry gR4(gF4); |
| static BenchRegistry gR5(gF5); |
| static BenchRegistry gR6(gF6); |
| static BenchRegistry gR700(gF700); |
| static BenchRegistry gR710(gF710); |
| static BenchRegistry gR720(gF720); |
| static BenchRegistry gR701(gF701); |
| static BenchRegistry gR711(gF711); |
| static BenchRegistry gR721(gF721); |
