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

Public Member Functions

 BitmapImageGM ()
 
- 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 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
 
DrawResult onDraw (SkCanvas *canvas, SkString *errorMsg) override
 
- Protected Member Functions inherited from skiagm::GM
virtual DrawResult onGpuSetup (SkCanvas *, SkString *, GraphiteTestContext *)
 
virtual void onGpuTeardown ()
 
virtual void onOnceBeforeDraw ()
 
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 26 of file bitmapimage.cpp.

Constructor & Destructor Documentation

◆ BitmapImageGM()

skiagm::BitmapImageGM::BitmapImageGM ( )
inline

Definition at line 28 of file bitmapimage.cpp.

28{}

Member Function Documentation

◆ getISize()

SkISize skiagm::BitmapImageGM::getISize ( )
inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 33 of file bitmapimage.cpp.

33{ return SkISize::Make(2 * kSize, 2 * kSize); }
SkISize::Make
static constexpr SkISize Make(int32_t w, int32_t h)
Definition SkSize.h:20

◆ getName()

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

Implements skiagm::GM.

Definition at line 31 of file bitmapimage.cpp.

31{ return SkString("bitmap-image-srgb-legacy"); }

◆ onDraw()

DrawResult skiagm::BitmapImageGM::onDraw ( SkCanvas *  canvas,
SkString *  errorMsg 
)
inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 35 of file bitmapimage.cpp.

35 {
36 // Create image.
37 const char* path = "images/mandrill_512_q075.jpg";
38 sk_sp<SkImage> image = ToolUtils::GetResourceAsImage(path);
39 if (!image) {
40 *errorMsg = "Couldn't load images/mandrill_512_q075.jpg. "
41 "Did you forget to set the resource path?";
42 return DrawResult::kFail;
43 }
44
45 // Create matching bitmap.
46 std::unique_ptr<SkCodec> codec(SkCodec::MakeFromStream(GetResourceAsStream(path)));
47 auto [codecImage, _] = codec->getImage();
48
49 // The GM will be displayed in a 2x2 grid.
50 // The top two squares show an sRGB image, then bitmap, drawn to a legacy canvas.
51 SkImageInfo linearInfo = SkImageInfo::MakeN32(2*kSize, kSize, kOpaque_SkAlphaType);
52 SkBitmap legacyBMCanvas;
53 legacyBMCanvas.allocPixels(linearInfo);
54 SkCanvas legacyCanvas(legacyBMCanvas);
55 legacyCanvas.drawImage(image, 0.0f, 0.0f);
56 legacyCanvas.translate(SkScalar(kSize), 0.0f);
57 legacyCanvas.drawImage(codecImage, 0.0f, 0.0f);
58 canvas->drawImage(legacyBMCanvas.asImage(), 0.0f, 0.0f);
59 canvas->translate(0.0f, SkScalar(kSize));
60
61 // The bottom two squares show an sRGB image, then bitmap, drawn to a srgb canvas.
62 SkImageInfo srgbInfo = SkImageInfo::MakeS32(2*kSize, kSize, kOpaque_SkAlphaType);
63 SkBitmap srgbBMCanvas;
64 srgbBMCanvas.allocPixels(srgbInfo);
65 SkCanvas srgbCanvas(srgbBMCanvas);
66 srgbCanvas.drawImage(image, 0.0f, 0.0f);
67 srgbCanvas.translate(SkScalar(kSize), 0.0f);
68 srgbCanvas.drawImage(codecImage, 0.0f, 0.0f);
69 canvas->drawImage(srgbBMCanvas.asImage(), 0.0f, 0.0f);
70 return DrawResult::kOk;
71 }
GetResourceAsStream
std::unique_ptr< SkStreamAsset > GetResourceAsStream(const char *resource, bool useFileStream)
Definition Resources.cpp:31
kOpaque_SkAlphaType
@ kOpaque_SkAlphaType
pixel is opaque
Definition SkAlphaType.h:28
SkBitmap::allocPixels
void allocPixels(const SkImageInfo &info, size_t rowBytes)
Definition SkBitmap.cpp:258
SkBitmap::asImage
sk_sp< SkImage > asImage() const
Definition SkBitmap.cpp:645
SkCanvas::translate
void translate(SkScalar dx, SkScalar dy)
Definition SkCanvas.cpp:1602
SkCanvas::drawImage
void drawImage(const SkImage *image, SkScalar left, SkScalar top)
Definition SkCanvas.h:1528
SkCodec::MakeFromStream
static std::unique_ptr< SkCodec > MakeFromStream(std::unique_ptr< SkStream >, SkSpan< const SkCodecs::Decoder > decoders, Result *=nullptr, SkPngChunkReader *=nullptr, SelectionPolicy selectionPolicy=SelectionPolicy::kPreferStillImage)
Definition SkCodec.cpp:163
sk_sp
Definition SkRefCnt.h:220
image
sk_sp< SkImage > image
Definition examples.cpp:29
SkScalar
float SkScalar
Definition extension.cpp:12
ToolUtils::GetResourceAsImage
sk_sp< SkImage > GetResourceAsImage(const char *resource)
Definition DecodeUtils.h:25
dart_profiler_symbols._
_
Definition dart_profiler_symbols.py:59
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
SkImageInfo::MakeS32
static SkImageInfo MakeS32(int width, int height, SkAlphaType at)
Definition SkImageInfo.cpp:153
SkImageInfo::MakeN32
static SkImageInfo MakeN32(int width, int height, SkAlphaType at)
Definition SkImageInfo.cpp:145
The documentation for this class was generated from the following file:
Generated on Fri Apr 26 2024 06:22:14 for Flutter Engine by doxygen 1.9.8