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skiagm::PolygonOffsetGM Class Reference
Inheritance diagram for skiagm::PolygonOffsetGM:
skiagm::GM

Public Member Functions

 PolygonOffsetGM (bool convexOnly)
 
- Public Member Functions inherited from skiagm::GM
 GM (SkColor backgroundColor=SK_ColorWHITE)
 
virtual ~GM ()
 
void setMode (Mode mode)
 
Mode getMode () const
 
DrawResult gpuSetup (SkCanvas *, SkString *errorMsg, GraphiteTestContext *=nullptr)
 
void gpuTeardown ()
 
void onceBeforeDraw ()
 
DrawResult draw (SkCanvas *canvas)
 
DrawResult draw (SkCanvas *, SkString *errorMsg)
 
void drawBackground (SkCanvas *)
 
DrawResult drawContent (SkCanvas *canvas)
 
DrawResult drawContent (SkCanvas *, SkString *errorMsg)
 
virtual SkISize getISize ()=0
 
virtual SkString getName () const =0
 
virtual bool runAsBench () const
 
SkScalar width ()
 
SkScalar height ()
 
SkColor getBGColor () const
 
void setBGColor (SkColor)
 
void drawSizeBounds (SkCanvas *, SkColor)
 
bool animate (double)
 
virtual bool onChar (SkUnichar)
 
bool getControls (SkMetaData *controls)
 
void setControls (const SkMetaData &controls)
 
virtual void modifyGrContextOptions (GrContextOptions *)
 
virtual void modifyGraphiteContextOptions (skgpu::graphite::ContextOptions *) const
 
virtual bool isBazelOnly () const
 
virtual std::map< std::string, std::string > getGoldKeys () const
 

Protected Member Functions

SkString getName () const override
 
SkISize getISize () override
 
bool runAsBench () const override
 
void drawPolygon (SkCanvas *canvas, int index, SkPoint *position)
 
void onDraw (SkCanvas *canvas) override
 
- Protected Member Functions inherited from skiagm::GM
virtual DrawResult onGpuSetup (SkCanvas *, SkString *, GraphiteTestContext *)
 
virtual void onGpuTeardown ()
 
virtual void onOnceBeforeDraw ()
 
virtual DrawResult onDraw (SkCanvas *, SkString *errorMsg)
 
virtual void onDraw (SkCanvas *)
 
virtual bool onAnimate (double)
 
virtual bool onGetControls (SkMetaData *)
 
virtual void onSetControls (const SkMetaData &)
 
GraphiteTestContext * graphiteTestContext () const
 

Static Protected Member Functions

static void GetConvexPolygon (int index, SkPathDirection dir, std::unique_ptr< SkPoint[]> *data, int *numPts)
 
static void GetSimplePolygon (int index, SkPathDirection dir, std::unique_ptr< SkPoint[]> *data, int *numPts)
 

Additional Inherited Members

- Public Types inherited from skiagm::GM
enum  Mode { kGM_Mode , kSample_Mode , kBench_Mode }
 
using DrawResult = skiagm::DrawResult
 
using GraphiteTestContext = skiatest::graphite::GraphiteTestContext
 
- Static Public Attributes inherited from skiagm::GM
static constexpr char kErrorMsg_DrawSkippedGpuOnly []
 

Detailed Description

Definition at line 424 of file polygonoffset.cpp.

Constructor & Destructor Documentation

◆ PolygonOffsetGM()

skiagm::PolygonOffsetGM::PolygonOffsetGM ( bool  convexOnly)
inline

Definition at line 426 of file polygonoffset.cpp.

427 : fConvexOnly(convexOnly) {
428 this->setBGColor(0xFFFFFFFF);
429 }
skiagm::GM::setBGColor
void setBGColor(SkColor)
Definition: gm.cpp:159

Member Function Documentation

◆ drawPolygon()

void skiagm::PolygonOffsetGM::drawPolygon ( SkCanvas *  canvas,
int  index,
SkPoint *  position 
)
inlineprotected

Definition at line 511 of file polygonoffset.cpp.

511 {
512
513 SkPoint center;
514 {
515 std::unique_ptr<SkPoint[]> data(nullptr);
516 int numPts;
517 if (fConvexOnly) {
518 GetConvexPolygon(index, SkPathDirection::kCW, &data, &numPts);
519 } else {
520 GetSimplePolygon(index, SkPathDirection::kCW, &data, &numPts);
521 }
522 SkRect bounds;
523 bounds.setBounds(data.get(), numPts);
524 if (!fConvexOnly) {
525 bounds.outset(kMaxOutset, kMaxOutset);
526 }
527 if (position->fX + bounds.width() > kGMWidth) {
528 position->fX = 0;
529 position->fY += kMaxPathHeight;
530 }
531 center = { position->fX + SkScalarHalf(bounds.width()), position->fY };
532 position->fX += bounds.width();
533 }
534
535 const SkPathDirection dirs[2] = { SkPathDirection::kCW, SkPathDirection::kCCW };
536 const float insets[] = { 5, 10, 15, 20, 25, 30, 35, 40 };
537 const float offsets[] = { 2, 5, 9, 14, 20, 27, 35, 44, -2, -5, -9 };
538 const SkColor colors[] = { 0xFF901313, 0xFF8D6214, 0xFF698B14, 0xFF1C8914,
539 0xFF148755, 0xFF146C84, 0xFF142482, 0xFF4A1480,
540 0xFF901313, 0xFF8D6214, 0xFF698B14 };
541
542 SkPaint paint;
543 paint.setAntiAlias(true);
544 paint.setStyle(SkPaint::kStroke_Style);
545 paint.setStrokeWidth(1);
546
547 std::unique_ptr<SkPoint[]> data(nullptr);
548 int numPts;
549 if (fConvexOnly) {
550 GetConvexPolygon(index, dirs[index % 2], &data, &numPts);
551 } else {
552 GetSimplePolygon(index, dirs[index % 2], &data, &numPts);
553 }
554
555 {
556 SkPath path;
557 path.moveTo(data.get()[0]);
558 for (int i = 1; i < numPts; ++i) {
559 path.lineTo(data.get()[i]);
560 }
561 path.close();
562 canvas->save();
563 canvas->translate(center.fX, center.fY);
564 canvas->drawPath(path, paint);
565 canvas->restore();
566 }
567
568 SkTDArray<SkPoint> offsetPoly;
569 size_t count = fConvexOnly ? std::size(insets) : std::size(offsets);
570 for (size_t i = 0; i < count; ++i) {
571 SkScalar offset = fConvexOnly ? insets[i] : offsets[i];
572 std::function<SkScalar(const SkPoint&)> offsetFunc;
573
574 bool result;
575 if (fConvexOnly) {
576 result = SkInsetConvexPolygon(data.get(), numPts, offset, &offsetPoly);
577 } else {
578 SkRect bounds;
579 bounds.setBoundsCheck(data.get(), numPts);
580 result = SkOffsetSimplePolygon(data.get(), numPts, bounds, offset, &offsetPoly);
581 }
582 if (result) {
583 SkPath path;
584 path.moveTo(offsetPoly[0]);
585 for (int j = 1; j < offsetPoly.size(); ++j) {
586 path.lineTo(offsetPoly[j]);
587 }
588 path.close();
589
590 paint.setColor(ToolUtils::color_to_565(colors[i]));
591 canvas->save();
592 canvas->translate(center.fX, center.fY);
593 canvas->drawPath(path, paint);
594 canvas->restore();
595 }
596 }
597 }
count
int count
Definition: FontMgrTest.cpp:50
SkColor
uint32_t SkColor
Definition: SkColor.h:37
SkPathDirection
SkPathDirection
Definition: SkPathTypes.h:34
SkOffsetSimplePolygon
bool SkOffsetSimplePolygon(const SkPoint *inputPolygonVerts, int inputPolygonSize, const SkRect &bounds, SkScalar offset, SkTDArray< SkPoint > *offsetPolygon, SkTDArray< int > *polygonIndices)
Definition: SkPolyUtils.cpp:1195
SkInsetConvexPolygon
bool SkInsetConvexPolygon(const SkPoint *inputPolygonVerts, int inputPolygonSize, SkScalar inset, SkTDArray< SkPoint > *insetPolygon)
Definition: SkPolyUtils.cpp:338
SkScalarHalf
#define SkScalarHalf(a)
Definition: SkScalar.h:75
SkCanvas::restore
void restore()
Definition: SkCanvas.cpp:461
SkCanvas::translate
void translate(SkScalar dx, SkScalar dy)
Definition: SkCanvas.cpp:1278
SkCanvas::save
int save()
Definition: SkCanvas.cpp:447
SkCanvas::drawPath
void drawPath(const SkPath &path, const SkPaint &paint)
Definition: SkCanvas.cpp:1747
SkPaint::kStroke_Style
@ kStroke_Style
set to stroke geometry
Definition: SkPaint.h:194
SkPath
Definition: SkPath.h:59
SkTDArray::size
int size() const
Definition: SkTDArray.h:138
skiagm::PolygonOffsetGM::GetConvexPolygon
static void GetConvexPolygon(int index, SkPathDirection dir, std::unique_ptr< SkPoint[]> *data, int *numPts)
Definition: polygonoffset.cpp:442
skiagm::PolygonOffsetGM::GetSimplePolygon
static void GetSimplePolygon(int index, SkPathDirection dir, std::unique_ptr< SkPoint[]> *data, int *numPts)
Definition: polygonoffset.cpp:477
paint
const Paint & paint
Definition: color_source.cc:38
SkScalar
float SkScalar
Definition: extension.cpp:12
i
int i
Definition: fl_socket_accessible.cc:18
result
GAsyncResult * result
Definition: fl_text_input_plugin.cc:106
function
Dart_NativeFunction function
Definition: fuchsia.cc:51
SkRecords::bounds
Optional< SkRect > bounds
Definition: SkRecords.h:189
SkRecords::colors
PODArray< SkColor > colors
Definition: SkRecords.h:276
ToolUtils::color_to_565
SkColor color_to_565(SkColor color)
Definition: ToolUtils.cpp:139
flutter::path
DEF_SWITCHES_START aot vmservice shared library Name of the *so containing AOT compiled Dart assets for launching the service isolate vm snapshot The VM snapshot data that will be memory mapped as read only SnapshotAssetPath must be present isolate snapshot The isolate snapshot data that will be memory mapped as read only SnapshotAssetPath must be present cache dir path
Definition: switches.h:57
flutter::size
it will be possible to load the file into Perfetto s trace viewer disable asset Prevents usage of any non test fonts unless they were explicitly Loaded via prefetched default font Indicates whether the embedding started a prefetch of the default font manager before creating the engine run In non interactive keep the shell running after the Dart script has completed enable serial On low power devices with low core running concurrent GC tasks on threads can cause them to contend with the UI thread which could potentially lead to jank This option turns off all concurrent GC activities domain network JSON encoded network policy per domain This overrides the DisallowInsecureConnections switch Embedder can specify whether to allow or disallow insecure connections at a domain level old gen heap size
Definition: switches.h:259
mskp_parser.offsets
list offsets
Definition: mskp_parser.py:37
std
Definition: ref_ptr.h:256
offset
SeparatedVector2 offset
Definition: stroke_path_geometry.cc:311
SkPoint::fX
float fX
x-axis value
Definition: SkPoint_impl.h:164
SkPoint::fY
float fY
y-axis value
Definition: SkPoint_impl.h:165
data
std::shared_ptr< const fml::Mapping > data
Definition: texture_gles.cc:63

◆ GetConvexPolygon()

static void skiagm::PolygonOffsetGM::GetConvexPolygon ( int  index,
SkPathDirection  dir,
std::unique_ptr< SkPoint[]> *  data,
int *  numPts 
)
inlinestaticprotected

Definition at line 442 of file polygonoffset.cpp.

443 {
444 if (index < (int)std::size(PolygonOffsetData::gConvexPoints)) {
445 // manually specified
446 *numPts = (int)PolygonOffsetData::gConvexSizes[index];
447 *data = std::make_unique<SkPoint[]>(*numPts);
448 if (SkPathDirection::kCW == dir) {
449 for (int i = 0; i < *numPts; ++i) {
450 (*data)[i] = PolygonOffsetData::gConvexPoints[index][i];
451 }
452 } else {
453 for (int i = 0; i < *numPts; ++i) {
454 (*data)[i] = PolygonOffsetData::gConvexPoints[index][*numPts - i - 1];
455 }
456 }
457 } else {
458 // procedurally generated
459 SkScalar width = kMaxPathHeight / 2;
460 SkScalar height = kMaxPathHeight / 2;
461 int numPtsArray[] = { 3, 4, 5, 5, 6, 8, 8, 20, 100 };
462
463 size_t arrayIndex = index - std::size(PolygonOffsetData::gConvexPoints);
464 SkASSERT(arrayIndex < std::size(numPtsArray));
465 *numPts = numPtsArray[arrayIndex];
466 if (arrayIndex == 3 || arrayIndex == 6) {
467 // squashed pentagon and octagon
468 width = kMaxPathHeight / 5;
469 }
470
471 *data = std::make_unique<SkPoint[]>(*numPts);
472
473 create_ngon(*numPts, data->get(), width, height, dir);
474 }
475 }
SkASSERT
#define SkASSERT(cond)
Definition: SkAssert.h:116
skiagm::GM::width
SkScalar width()
Definition: gm.h:159
skiagm::GM::height
SkScalar height()
Definition: gm.h:162
PolygonOffsetData::gConvexSizes
const size_t gConvexSizes[]
Definition: polygonoffset.cpp:377
PolygonOffsetData::gConvexPoints
const SkPoint * gConvexPoints[]
Definition: polygonoffset.cpp:372
flutter::dir
DEF_SWITCHES_START aot vmservice shared library Name of the *so containing AOT compiled Dart assets for launching the service isolate vm snapshot The VM snapshot data that will be memory mapped as read only SnapshotAssetPath must be present isolate snapshot The isolate snapshot data that will be memory mapped as read only SnapshotAssetPath must be present cache dir Path to the cache directory This is different from the persistent_cache_path in embedder which is used for Skia shader cache icu native lib Path to the library file that exports the ICU data vm service The hostname IP address on which the Dart VM Service should be served If not defaults to or::depending on whether ipv6 is specified vm service A custom Dart VM Service port The default is to pick a randomly available open port disable vm Disable the Dart VM Service The Dart VM Service is never available in release mode disable vm service Disable mDNS Dart VM Service publication Bind to the IPv6 localhost address for the Dart VM Service Ignored if vm service host is set endless trace Enable an endless trace buffer The default is a ring buffer This is useful when very old events need to viewed For during application launch Memory usage will continue to grow indefinitely however Start app with an specific route defined on the framework flutter assets dir
Definition: switches.h:145
create_ngon
static void create_ngon(int n, SkPoint *pts, SkScalar w, SkScalar h, SkPathDirection dir)
Definition: polygonoffset.cpp:27

◆ getISize()

SkISize skiagm::PolygonOffsetGM::getISize ( )
inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 439 of file polygonoffset.cpp.

439{ return SkISize::Make(kGMWidth, kGMHeight); }
SkISize::Make
static constexpr SkISize Make(int32_t w, int32_t h)
Definition: SkSize.h:20

◆ getName()

SkString skiagm::PolygonOffsetGM::getName ( ) const
inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 432 of file polygonoffset.cpp.

432 {
433 if (fConvexOnly) {
434 return SkString("convex-polygon-inset");
435 } else {
436 return SkString("simple-polygon-offset");
437 }
438 }

◆ GetSimplePolygon()

static void skiagm::PolygonOffsetGM::GetSimplePolygon ( int  index,
SkPathDirection  dir,
std::unique_ptr< SkPoint[]> *  data,
int *  numPts 
)
inlinestaticprotected

Definition at line 477 of file polygonoffset.cpp.

478 {
479 if (index < (int)std::size(PolygonOffsetData::gSimplePoints)) {
480 // manually specified
481 *numPts = (int)PolygonOffsetData::gSimpleSizes[index];
482 *data = std::make_unique<SkPoint[]>(*numPts);
483 if (SkPathDirection::kCW == dir) {
484 for (int i = 0; i < *numPts; ++i) {
485 (*data)[i] = PolygonOffsetData::gSimplePoints[index][i];
486 }
487 } else {
488 for (int i = 0; i < *numPts; ++i) {
489 (*data)[i] = PolygonOffsetData::gSimplePoints[index][*numPts - i - 1];
490 }
491 }
492 } else {
493 // procedurally generated
494 SkScalar width = kMaxPathHeight / 2;
495 SkScalar height = kMaxPathHeight / 2;
496 int numPtsArray[] = { 5, 7, 8, 20, 100 };
497
498 size_t arrayIndex = index - std::size(PolygonOffsetData::gSimplePoints);
499 arrayIndex = std::min(arrayIndex, std::size(numPtsArray) - 1);
500 SkASSERT(arrayIndex < std::size(numPtsArray));
501 *numPts = numPtsArray[arrayIndex];
502 // squash horizontally
503 width = kMaxPathHeight / 5;
504
505 *data = std::make_unique<SkPoint[]>(*numPts);
506
507 create_ngon(*numPts, data->get(), width, height, dir);
508 }
509 }
min
static float min(float r, float g, float b)
Definition: hsl.cpp:48
PolygonOffsetData::gSimplePoints
const SkPoint * gSimplePoints[]
Definition: polygonoffset.cpp:392
PolygonOffsetData::gSimpleSizes
const size_t gSimpleSizes[]
Definition: polygonoffset.cpp:398

◆ onDraw()

void skiagm::PolygonOffsetGM::onDraw ( SkCanvas *  canvas)
inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 599 of file polygonoffset.cpp.

599 {
600 // the right edge of the last drawn path
601 SkPoint offset = { 0, SkScalarHalf(kMaxPathHeight) };
602 if (!fConvexOnly) {
603 offset.fY += kMaxOutset;
604 }
605
606 for (int i = 0; i < kNumPaths; ++i) {
607 this->drawPolygon(canvas, i, &offset);
608 }
609 }
skiagm::PolygonOffsetGM::drawPolygon
void drawPolygon(SkCanvas *canvas, int index, SkPoint *position)
Definition: polygonoffset.cpp:511

◆ runAsBench()

bool skiagm::PolygonOffsetGM::runAsBench ( ) const
inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 440 of file polygonoffset.cpp.

440{ return true; }
The documentation for this class was generated from the following file:
Generated on Sun Jun 23 2024 22:00:44 for Flutter Engine by doxygen 1.9.4