123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620 |
- /*
- * 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 "gm/gm.h"
- #include "include/core/SkCanvas.h"
- #include "include/core/SkColor.h"
- #include "include/core/SkPaint.h"
- #include "include/core/SkPath.h"
- #include "include/core/SkRect.h"
- #include "include/core/SkScalar.h"
- #include "include/core/SkSize.h"
- #include "include/core/SkString.h"
- #include "include/core/SkTypes.h"
- typedef SkScalar (*MakePathProc)(SkPath*);
- static SkScalar make_frame(SkPath* path) {
- SkRect r = { SkIntToScalar(10), SkIntToScalar(10),
- SkIntToScalar(630), SkIntToScalar(470) };
- path->addRoundRect(r, SkIntToScalar(15), SkIntToScalar(15));
- SkPaint paint;
- paint.setStyle(SkPaint::kStroke_Style);
- paint.setStrokeWidth(SkIntToScalar(5));
- paint.getFillPath(*path, path);
- return SkIntToScalar(15);
- }
- static SkScalar make_triangle(SkPath* path) {
- constexpr int gCoord[] = {
- 10, 20, 15, 5, 30, 30
- };
- path->moveTo(SkIntToScalar(gCoord[0]), SkIntToScalar(gCoord[1]));
- path->lineTo(SkIntToScalar(gCoord[2]), SkIntToScalar(gCoord[3]));
- path->lineTo(SkIntToScalar(gCoord[4]), SkIntToScalar(gCoord[5]));
- path->close();
- path->offset(SkIntToScalar(10), SkIntToScalar(0));
- return SkIntToScalar(30);
- }
- static SkScalar make_rect(SkPath* path) {
- SkRect r = { SkIntToScalar(10), SkIntToScalar(10),
- SkIntToScalar(30), SkIntToScalar(30) };
- path->addRect(r);
- path->offset(SkIntToScalar(10), SkIntToScalar(0));
- return SkIntToScalar(30);
- }
- static SkScalar make_oval(SkPath* path) {
- SkRect r = { SkIntToScalar(10), SkIntToScalar(10),
- SkIntToScalar(30), SkIntToScalar(30) };
- path->addOval(r);
- path->offset(SkIntToScalar(10), SkIntToScalar(0));
- return SkIntToScalar(30);
- }
- static SkScalar make_sawtooth(SkPath* path, int teeth) {
- SkScalar x = SkIntToScalar(20);
- SkScalar y = SkIntToScalar(20);
- const SkScalar x0 = x;
- const SkScalar dx = SkIntToScalar(5);
- const SkScalar dy = SkIntToScalar(10);
- path->moveTo(x, y);
- for (int i = 0; i < teeth; i++) {
- x += dx;
- path->lineTo(x, y - dy);
- x += dx;
- path->lineTo(x, y + dy);
- }
- path->lineTo(x, y + (2 * dy));
- path->lineTo(x0, y + (2 * dy));
- path->close();
- return SkIntToScalar(30);
- }
- static SkScalar make_sawtooth_3(SkPath* path) { return make_sawtooth(path, 3); }
- static SkScalar make_sawtooth_32(SkPath* path) { return make_sawtooth(path, 32); }
- static SkScalar make_house(SkPath* path) {
- path->moveTo(21, 23);
- path->lineTo(21, 11.534f);
- path->lineTo(22.327f, 12.741f);
- path->lineTo(23.673f, 11.261f);
- path->lineTo(12, 0.648f);
- path->lineTo(8, 4.285f);
- path->lineTo(8, 2);
- path->lineTo(4, 2);
- path->lineTo(4, 7.921f);
- path->lineTo(0.327f, 11.26f);
- path->lineTo(1.673f, 12.74f);
- path->lineTo(3, 11.534f);
- path->lineTo(3, 23);
- path->lineTo(11, 23);
- path->lineTo(11, 18);
- path->lineTo(13, 18);
- path->lineTo(13, 23);
- path->lineTo(21, 23);
- path->close();
- path->lineTo(9, 16);
- path->lineTo(9, 21);
- path->lineTo(5, 21);
- path->lineTo(5, 9.715f);
- path->lineTo(12, 3.351f);
- path->lineTo(19, 9.715f);
- path->lineTo(19, 21);
- path->lineTo(15, 21);
- path->lineTo(15, 16);
- path->lineTo(9, 16);
- path->close();
- path->offset(20, 0);
- return SkIntToScalar(30);
- }
- static SkScalar make_star(SkPath* path, int n) {
- const SkScalar c = SkIntToScalar(45);
- const SkScalar r = SkIntToScalar(20);
- SkScalar rad = -SK_ScalarPI / 2;
- const SkScalar drad = (n >> 1) * SK_ScalarPI * 2 / n;
- path->moveTo(c, c - r);
- for (int i = 1; i < n; i++) {
- rad += drad;
- path->lineTo(c + SkScalarCos(rad) * r, c + SkScalarSin(rad) * r);
- }
- path->close();
- return r * 2 * 6 / 5;
- }
- static SkScalar make_star_5(SkPath* path) { return make_star(path, 5); }
- static SkScalar make_star_13(SkPath* path) { return make_star(path, 13); }
- // We don't expect any output from this path.
- static SkScalar make_line(SkPath* path) {
- path->moveTo(SkIntToScalar(30), SkIntToScalar(30));
- path->lineTo(SkIntToScalar(120), SkIntToScalar(40));
- path->close();
- path->moveTo(SkIntToScalar(150), SkIntToScalar(30));
- path->lineTo(SkIntToScalar(150), SkIntToScalar(30));
- path->lineTo(SkIntToScalar(300), SkIntToScalar(40));
- path->close();
- return SkIntToScalar(40);
- }
- static void make_info(SkPath* path) {
- path->moveTo(24, 4);
- path->cubicTo(12.94999980926514f,
- 4,
- 4,
- 12.94999980926514f,
- 4,
- 24);
- path->cubicTo(4,
- 35.04999923706055f,
- 12.94999980926514f,
- 44,
- 24,
- 44);
- path->cubicTo(35.04999923706055f,
- 44,
- 44,
- 35.04999923706055f,
- 44,
- 24);
- path->cubicTo(44,
- 12.95000076293945f,
- 35.04999923706055f,
- 4,
- 24,
- 4);
- path->close();
- path->moveTo(26, 34);
- path->lineTo(22, 34);
- path->lineTo(22, 22);
- path->lineTo(26, 22);
- path->lineTo(26, 34);
- path->close();
- path->moveTo(26, 18);
- path->lineTo(22, 18);
- path->lineTo(22, 14);
- path->lineTo(26, 14);
- path->lineTo(26, 18);
- path->close();
- }
- static void make_accessibility(SkPath* path) {
- path->moveTo(12, 2);
- path->cubicTo(13.10000038146973f,
- 2,
- 14,
- 2.900000095367432f,
- 14,
- 4);
- path->cubicTo(14,
- 5.099999904632568f,
- 13.10000038146973f,
- 6,
- 12,
- 6);
- path->cubicTo(10.89999961853027f,
- 6,
- 10,
- 5.099999904632568f,
- 10,
- 4);
- path->cubicTo(10,
- 2.900000095367432f,
- 10.89999961853027f,
- 2,
- 12,
- 2);
- path->close();
- path->moveTo(21, 9);
- path->lineTo(15, 9);
- path->lineTo(15, 22);
- path->lineTo(13, 22);
- path->lineTo(13, 16);
- path->lineTo(11, 16);
- path->lineTo(11, 22);
- path->lineTo(9, 22);
- path->lineTo(9, 9);
- path->lineTo(3, 9);
- path->lineTo(3, 7);
- path->lineTo(21, 7);
- path->lineTo(21, 9);
- path->close();
- }
- // test case for http://crbug.com/695196
- static void make_visualizer(SkPath* path) {
- path->moveTo(1.9520f, 2.0000f);
- path->conicTo(1.5573f, 1.9992f, 1.2782f, 2.2782f, 0.9235f);
- path->conicTo(0.9992f, 2.5573f, 1.0000f, 2.9520f, 0.9235f);
- path->lineTo(1.0000f, 5.4300f);
- path->lineTo(17.0000f, 5.4300f);
- path->lineTo(17.0000f, 2.9520f);
- path->conicTo(17.0008f, 2.5573f, 16.7218f, 2.2782f, 0.9235f);
- path->conicTo(16.4427f, 1.9992f, 16.0480f, 2.0000f, 0.9235f);
- path->lineTo(1.9520f, 2.0000f);
- path->close();
- path->moveTo(2.7140f, 3.1430f);
- path->conicTo(3.0547f, 3.1287f, 3.2292f, 3.4216f, 0.8590f);
- path->conicTo(3.4038f, 3.7145f, 3.2292f, 4.0074f, 0.8590f);
- path->conicTo(3.0547f, 4.3003f, 2.7140f, 4.2860f, 0.8590f);
- path->conicTo(2.1659f, 4.2631f, 2.1659f, 3.7145f, 0.7217f);
- path->conicTo(2.1659f, 3.1659f, 2.7140f, 3.1430f, 0.7217f);
- path->lineTo(2.7140f, 3.1430f);
- path->close();
- path->moveTo(5.0000f, 3.1430f);
- path->conicTo(5.3407f, 3.1287f, 5.5152f, 3.4216f, 0.8590f);
- path->conicTo(5.6898f, 3.7145f, 5.5152f, 4.0074f, 0.8590f);
- path->conicTo(5.3407f, 4.3003f, 5.0000f, 4.2860f, 0.8590f);
- path->conicTo(4.4519f, 4.2631f, 4.4519f, 3.7145f, 0.7217f);
- path->conicTo(4.4519f, 3.1659f, 5.0000f, 3.1430f, 0.7217f);
- path->lineTo(5.0000f, 3.1430f);
- path->close();
- path->moveTo(7.2860f, 3.1430f);
- path->conicTo(7.6267f, 3.1287f, 7.8012f, 3.4216f, 0.8590f);
- path->conicTo(7.9758f, 3.7145f, 7.8012f, 4.0074f, 0.8590f);
- path->conicTo(7.6267f, 4.3003f, 7.2860f, 4.2860f, 0.8590f);
- path->conicTo(6.7379f, 4.2631f, 6.7379f, 3.7145f, 0.7217f);
- path->conicTo(6.7379f, 3.1659f, 7.2860f, 3.1430f, 0.7217f);
- path->close();
- path->moveTo(1.0000f, 6.1900f);
- path->lineTo(1.0000f, 14.3810f);
- path->conicTo(0.9992f, 14.7757f, 1.2782f, 15.0548f, 0.9235f);
- path->conicTo(1.5573f, 15.3338f, 1.9520f, 15.3330f, 0.9235f);
- path->lineTo(16.0480f, 15.3330f);
- path->conicTo(16.4427f, 15.3338f, 16.7218f, 15.0548f, 0.9235f);
- path->conicTo(17.0008f, 14.7757f, 17.0000f, 14.3810f, 0.9235f);
- path->lineTo(17.0000f, 6.1910f);
- path->lineTo(1.0000f, 6.1910f);
- path->lineTo(1.0000f, 6.1900f);
- path->close();
- }
- constexpr MakePathProc gProcs[] = {
- make_frame,
- make_triangle,
- make_rect,
- make_oval,
- make_sawtooth_32,
- make_star_5,
- make_star_13,
- make_line,
- make_house,
- make_sawtooth_3,
- };
- #define N SK_ARRAY_COUNT(gProcs)
- class PathFillGM : public skiagm::GM {
- SkPath fPath[N];
- SkScalar fDY[N];
- SkPath fInfoPath;
- SkPath fAccessibilityPath;
- SkPath fVisualizerPath;
- protected:
- void onOnceBeforeDraw() override {
- for (size_t i = 0; i < N; i++) {
- fDY[i] = gProcs[i](&fPath[i]);
- }
- make_info(&fInfoPath);
- make_accessibility(&fAccessibilityPath);
- make_visualizer(&fVisualizerPath);
- }
- SkString onShortName() override {
- return SkString("pathfill");
- }
- SkISize onISize() override {
- return SkISize::Make(640, 480);
- }
- void onDraw(SkCanvas* canvas) override {
- SkPaint paint;
- paint.setAntiAlias(true);
- for (size_t i = 0; i < N; i++) {
- canvas->drawPath(fPath[i], paint);
- canvas->translate(SkIntToScalar(0), fDY[i]);
- }
- canvas->save();
- canvas->scale(0.300000011920929f, 0.300000011920929f);
- canvas->translate(50, 50);
- canvas->drawPath(fInfoPath, paint);
- canvas->restore();
- canvas->scale(2, 2);
- canvas->translate(5, 15);
- canvas->drawPath(fAccessibilityPath, paint);
- canvas->scale(0.5f, 0.5f);
- canvas->translate(5, 50);
- canvas->drawPath(fVisualizerPath, paint);
- }
- private:
- typedef skiagm::GM INHERITED;
- };
- // test inverse-fill w/ a clip that completely excludes the geometry
- class PathInverseFillGM : public skiagm::GM {
- SkPath fPath[N];
- SkScalar fDY[N];
- protected:
- void onOnceBeforeDraw() override {
- for (size_t i = 0; i < N; i++) {
- fDY[i] = gProcs[i](&fPath[i]);
- }
- }
- SkString onShortName() override {
- return SkString("pathinvfill");
- }
- SkISize onISize() override {
- return SkISize::Make(450, 220);
- }
- static void show(SkCanvas* canvas, const SkPath& path, const SkPaint& paint,
- const SkRect* clip, SkScalar top, const SkScalar bottom) {
- canvas->save();
- if (clip) {
- SkRect r = *clip;
- r.fTop = top;
- r.fBottom = bottom;
- canvas->clipRect(r);
- }
- canvas->drawPath(path, paint);
- canvas->restore();
- }
- void onDraw(SkCanvas* canvas) override {
- SkPath path;
- path.addCircle(SkIntToScalar(50), SkIntToScalar(50), SkIntToScalar(40));
- path.toggleInverseFillType();
- SkRect clipR = { 0, 0, SkIntToScalar(100), SkIntToScalar(200) };
- canvas->translate(SkIntToScalar(10), SkIntToScalar(10));
- for (int doclip = 0; doclip <= 1; ++doclip) {
- for (int aa = 0; aa <= 1; ++aa) {
- SkPaint paint;
- paint.setAntiAlias(SkToBool(aa));
- canvas->save();
- canvas->clipRect(clipR);
- const SkRect* clipPtr = doclip ? &clipR : nullptr;
- show(canvas, path, paint, clipPtr, clipR.fTop, clipR.centerY());
- show(canvas, path, paint, clipPtr, clipR.centerY(), clipR.fBottom);
- canvas->restore();
- canvas->translate(SkIntToScalar(110), 0);
- }
- }
- }
- private:
- typedef skiagm::GM INHERITED;
- };
- DEF_SIMPLE_GM(rotatedcubicpath, canvas, 200, 200) {
- SkPaint p;
- p.setAntiAlias(true);
- p.setStyle(SkPaint::kFill_Style);
- canvas->translate(50, 50);
- SkPath path;
- path.moveTo(48,-23);
- path.cubicTo(48,-29.5, 6,-30, 6,-30);
- path.cubicTo(6,-30, 2,0, 2,0);
- path.cubicTo(2,0, 44,-21.5, 48,-23);
- path.close();
- p.setColor(SK_ColorBLUE);
- canvas->drawPath(path, p);
- // Rotated path, which is not antialiased on GPU
- p.setColor(SK_ColorRED);
- canvas->rotate(90);
- canvas->drawPath(path, p);
- }
- ///////////////////////////////////////////////////////////////////////////////
- DEF_GM( return new PathFillGM; )
- DEF_GM( return new PathInverseFillGM; )
- DEF_SIMPLE_GM(bug7792, canvas, 800, 800) {
- // from skbug.com/7792 bug description
- SkPaint p;
- SkPath path;
- path.moveTo(10, 10);
- path.moveTo(75, 75);
- path.lineTo(150, 75);
- path.lineTo(150, 150);
- path.lineTo(75, 150);
- canvas->drawPath(path, p);
- // from skbug.com/7792#c3
- canvas->translate(200, 0);
- path.reset();
- path.moveTo(75, 50);
- path.moveTo(100, 75);
- path.lineTo(150, 75);
- path.lineTo(150, 150);
- path.lineTo(75, 150);
- path.lineTo(75, 50);
- path.close();
- canvas->drawPath(path, p);
- // from skbug.com/7792#c9
- canvas->translate(200, 0);
- path.reset();
- path.moveTo(10, 10);
- path.moveTo(75, 75);
- path.lineTo(150, 75);
- path.lineTo(150, 150);
- path.lineTo(75, 150);
- path.close();
- canvas->drawPath(path, p);
- // from skbug.com/7792#c11
- canvas->translate(-200 * 2, 200);
- path.reset();
- path.moveTo(75, 150);
- path.lineTo(75, 75);
- path.lineTo(150, 75);
- path.lineTo(150, 150);
- path.lineTo(75, 150);
- path.moveTo(75, 150);
- canvas->drawPath(path, p);
- // from skbug.com/7792#c14
- canvas->translate(200, 0);
- path.reset();
- path.moveTo(250, 75);
- path.moveTo(250, 75);
- path.moveTo(250, 75);
- path.moveTo(100, 75);
- path.lineTo(150, 75);
- path.lineTo(150, 150);
- path.lineTo(75, 150);
- path.lineTo(75, 75);
- path.close();
- path.lineTo(0, 0);
- path.close();
- canvas->drawPath(path, p);
- // from skbug.com/7792#c15
- canvas->translate(200, 0);
- path.reset();
- path.moveTo(75, 75);
- path.lineTo(150, 75);
- path.lineTo(150, 150);
- path.lineTo(75, 150);
- path.moveTo(250, 75);
- canvas->drawPath(path, p);
- // from skbug.com/7792#c17
- canvas->translate(-200 * 2, 200);
- path.reset();
- path.moveTo(75, 10);
- path.moveTo(75, 75);
- path.lineTo(150, 75);
- path.lineTo(150, 150);
- path.lineTo(75, 150);
- path.lineTo(75, 10);
- path.close();
- canvas->drawPath(path, p);
- // from skbug.com/7792#c19
- canvas->translate(200, 0);
- path.reset();
- path.moveTo(75, 75);
- path.lineTo(75, 75);
- path.lineTo(75, 75);
- path.lineTo(75, 75);
- path.lineTo(150, 75);
- path.lineTo(150, 150);
- path.lineTo(75, 150);
- path.close();
- path.moveTo(10, 10);
- path.lineTo(30, 10);
- path.lineTo(10, 30);
- canvas->drawPath(path, p);
- // from skbug.com/7792#c23
- canvas->translate(200, 0);
- path.reset();
- path.moveTo(75, 75);
- path.lineTo(75, 75);
- path.moveTo(75, 75);
- path.lineTo(75, 75);
- path.lineTo(150, 75);
- path.lineTo(150, 150);
- path.lineTo(75, 150);
- path.close();
- canvas->drawPath(path, p);
- // from skbug.com/7792#c29
- canvas->translate(-200 * 2, 200);
- path.reset();
- path.moveTo(75, 75);
- path.lineTo(150, 75);
- path.lineTo(150, 150);
- path.lineTo(75, 150);
- path.lineTo(75, 250);
- path.moveTo(75, 75);
- path.close();
- canvas->drawPath(path, p);
- // from skbug.com/7792#c31
- canvas->translate(200, 0);
- path.reset();
- path.moveTo(75, 75);
- path.lineTo(150, 75);
- path.lineTo(150, 150);
- path.lineTo(75, 150);
- path.lineTo(75, 10);
- path.moveTo(75, 75);
- path.close();
- canvas->drawPath(path, p);
- // from skbug.com/7792#c36
- canvas->translate(200, 0);
- path.reset();
- path.moveTo(75, 75);
- path.lineTo(150, 75);
- path.lineTo(150, 150);
- path.lineTo(10, 150);
- path.moveTo(75, 75);
- path.lineTo(75, 75);
- canvas->drawPath(path, p);
- // from skbug.com/7792#c39
- canvas->translate(200, -200 * 3);
- path.reset();
- path.moveTo(150, 75);
- path.lineTo(150, 150);
- path.lineTo(75, 150);
- path.lineTo(75, 100);
- canvas->drawPath(path, p);
- // from zero_length_paths_aa
- canvas->translate(0, 200);
- path.reset();
- path.moveTo(150, 100);
- path.lineTo(150, 100);
- path.lineTo(150, 150);
- path.lineTo(75, 150);
- path.lineTo(75, 100);
- path.lineTo(75, 75);
- path.lineTo(150, 75);
- path.close();
- canvas->drawPath(path, p);
- // from skbug.com/7792#c41
- canvas->translate(0, 200);
- path.reset();
- path.moveTo(75, 75);
- path.lineTo(150, 75);
- path.lineTo(150, 150);
- path.lineTo(140, 150);
- path.lineTo(140, 75);
- path.moveTo(75, 75);
- path.close();
- canvas->drawPath(path, p);
- // from skbug.com/7792#c53
- canvas->translate(0, 200);
- path.reset();
- path.moveTo(75, 75);
- path.lineTo(150, 75);
- path.lineTo(150, 150);
- path.lineTo(140, 150);
- path.lineTo(140, 75);
- path.moveTo(75, 75);
- path.close();
- canvas->drawPath(path, p);
- }
|