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

Public Member Functions

 NinePatchStretchGM ()
 
- 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
 

Public Attributes

sk_sp< SkImage > fImage
 
SkIRect fCenter
 

Protected Member Functions

SkString getName () const override
 
SkISize getISize () override
 
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
 

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 56 of file ninepatchstretch.cpp.

Constructor & Destructor Documentation

◆ NinePatchStretchGM()

NinePatchStretchGM::NinePatchStretchGM ( )
inline

Definition at line 61 of file ninepatchstretch.cpp.

61{}

Member Function Documentation

◆ getISize()

SkISize NinePatchStretchGM::getISize ( )
inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 66 of file ninepatchstretch.cpp.

66{ return SkISize::Make(760, 800); }
SkISize::Make
static constexpr SkISize Make(int32_t w, int32_t h)
Definition: SkSize.h:20

◆ getName()

SkString NinePatchStretchGM::getName ( ) const
inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 64 of file ninepatchstretch.cpp.

64{ return SkString("ninepatch-stretch"); }

◆ onDraw()

void NinePatchStretchGM::onDraw ( SkCanvas *  canvas)
inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 68 of file ninepatchstretch.cpp.

68 {
69 if (!fImage || !fImage->isValid(canvas->recordingContext())) {
70 fImage = make_image(canvas, &fCenter);
71 }
72
73 // amount of bm that should not be stretched (unless we have to)
74 const SkScalar fixed = SkIntToScalar(fImage->width() - fCenter.width());
75
76 const SkSize size[] = {
77 { fixed * 4 / 5, fixed * 4 / 5 }, // shrink in both axes
78 { fixed * 4 / 5, fixed * 4 }, // shrink in X
79 { fixed * 4, fixed * 4 / 5 }, // shrink in Y
80 { fixed * 4, fixed * 4 }
81 };
82
83 canvas->drawImage(fImage, 10, 10);
84
85 SkScalar x = SkIntToScalar(100);
86 SkScalar y = SkIntToScalar(100);
87
88 SkPaint paint;
89 for (auto fm : {SkFilterMode::kLinear, SkFilterMode::kNearest}) {
90 for (int iy = 0; iy < 2; ++iy) {
91 for (int ix = 0; ix < 2; ++ix) {
92 int i = ix * 2 + iy;
93 SkRect r = SkRect::MakeXYWH(x + ix * fixed, y + iy * fixed,
94 size[i].width(), size[i].height());
95 canvas->drawImageNine(fImage.get(), fCenter, r, fm);
96 }
97 }
98 canvas->translate(0, 400);
99 }
100 }
SkIntToScalar
#define SkIntToScalar(x)
Definition: SkScalar.h:57
NinePatchStretchGM::fImage
sk_sp< SkImage > fImage
Definition: ninepatchstretch.cpp:58
SkCanvas::translate
void translate(SkScalar dx, SkScalar dy)
Definition: SkCanvas.cpp:1278
SkCanvas::drawImageNine
void drawImageNine(const SkImage *image, const SkIRect &center, const SkRect &dst, SkFilterMode filter, const SkPaint *paint=nullptr)
Definition: SkCanvas.cpp:1769
SkCanvas::recordingContext
virtual GrRecordingContext * recordingContext() const
Definition: SkCanvas.cpp:1637
SkCanvas::drawImage
void drawImage(const SkImage *image, SkScalar left, SkScalar top)
Definition: SkCanvas.h:1528
SkImage::width
int width() const
Definition: SkImage.h:285
SkImage::isValid
virtual bool isValid(GrRecordingContext *context) const =0
sk_sp::get
T * get() const
Definition: SkRefCnt.h:303
skiagm::GM::width
SkScalar width()
Definition: gm.h:159
skiagm::GM::height
SkScalar height()
Definition: gm.h:162
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
y
double y
Definition: mouse-input-test.cc:83
x
double x
Definition: mouse-input-test.cc:82
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
make_image
static sk_sp< SkImage > make_image(SkCanvas *root, SkIRect *center)
Definition: ninepatchstretch.cpp:27
SkIRect::width
constexpr int32_t width() const
Definition: SkRect.h:158
SkRect::MakeXYWH
static constexpr SkRect MakeXYWH(float x, float y, float w, float h)
Definition: SkRect.h:659
SkSize
Definition: SkSize.h:52

Member Data Documentation

◆ fCenter

SkIRect NinePatchStretchGM::fCenter

Definition at line 59 of file ninepatchstretch.cpp.

◆ fImage

sk_sp<SkImage> NinePatchStretchGM::fImage

Definition at line 58 of file ninepatchstretch.cpp.

The documentation for this class was generated from the following file:
Generated on Sun Jun 23 2024 21:58:06 for Flutter Engine by doxygen 1.9.4