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SkBmpBaseCodec Class Reference

#include <SkBmpBaseCodec.h>

Inheritance diagram for SkBmpBaseCodec:
SkBmpCodec SkCodec SkNoncopyable SkBmpMaskCodec SkBmpStandardCodec

Public Member Functions

 ~SkBmpBaseCodec () override
 
bool didCreateSrcBuffer () const
 
- Public Member Functions inherited from SkCodec
virtual ~SkCodec ()
 
SkImageInfo getInfo () const
 
SkISize dimensions () const
 
SkIRect bounds () const
 
const skcms_ICCProfilegetICCProfile () const
 
SkEncodedOrigin getOrigin () const
 
SkISize getScaledDimensions (float desiredScale) const
 
bool getValidSubset (SkIRect *desiredSubset) const
 
SkEncodedImageFormat getEncodedFormat () const
 
virtual std::unique_ptr< SkStreamgetEncodedData () const
 
Result getPixels (const SkImageInfo &info, void *pixels, size_t rowBytes, const Options *)
 
Result getPixels (const SkImageInfo &info, void *pixels, size_t rowBytes)
 
Result getPixels (const SkPixmap &pm, const Options *opts=nullptr)
 
std::tuple< sk_sp< SkImage >, SkCodec::ResultgetImage (const SkImageInfo &info, const Options *opts=nullptr)
 
std::tuple< sk_sp< SkImage >, SkCodec::ResultgetImage ()
 
bool queryYUVAInfo (const SkYUVAPixmapInfo::SupportedDataTypes &supportedDataTypes, SkYUVAPixmapInfo *yuvaPixmapInfo) const
 
Result getYUVAPlanes (const SkYUVAPixmaps &yuvaPixmaps)
 
Result startIncrementalDecode (const SkImageInfo &dstInfo, void *dst, size_t rowBytes, const Options *)
 
Result startIncrementalDecode (const SkImageInfo &dstInfo, void *dst, size_t rowBytes)
 
Result incrementalDecode (int *rowsDecoded=nullptr)
 
Result startScanlineDecode (const SkImageInfo &dstInfo, const Options *options)
 
Result startScanlineDecode (const SkImageInfo &dstInfo)
 
int getScanlines (void *dst, int countLines, size_t rowBytes)
 
bool skipScanlines (int countLines)
 
SkScanlineOrder getScanlineOrder () const
 
int nextScanline () const
 
int outputScanline (int inputScanline) const
 
int getFrameCount ()
 
bool getFrameInfo (int index, FrameInfo *info) const
 
std::vector< FrameInfogetFrameInfo ()
 
int getRepetitionCount ()
 

Protected Member Functions

 SkBmpBaseCodec (SkEncodedInfo &&info, std::unique_ptr< SkStream >, uint16_t bitsPerPixel, SkCodec::SkScanlineOrder rowOrder)
 
uint8_t * srcBuffer ()
 
- Protected Member Functions inherited from SkBmpCodec
 SkBmpCodec (SkEncodedInfo &&info, std::unique_ptr< SkStream >, uint16_t bitsPerPixel, SkCodec::SkScanlineOrder rowOrder)
 
SkEncodedImageFormat onGetEncodedFormat () const override
 
bool onRewind () override
 
bool inIco () const
 
virtual bool onInIco () const
 
int32_t getDstRow (int32_t y, int32_t height) const
 
uint16_t bitsPerPixel () const
 
SkScanlineOrder onGetScanlineOrder () const override
 
size_t srcRowBytes () const
 
virtual SkCodec::Result onPrepareToDecode (const SkImageInfo &dstInfo, const SkCodec::Options &options)=0
 
SkCodec::Result prepareToDecode (const SkImageInfo &dstInfo, const SkCodec::Options &options)
 
uint32_t * xformBuffer () const
 
void resetXformBuffer (int count)
 
- Protected Member Functions inherited from SkCodec
const SkEncodedInfogetEncodedInfo () const
 
 SkCodec (SkEncodedInfo &&, XformFormat srcFormat, std::unique_ptr< SkStream >, SkEncodedOrigin=kTopLeft_SkEncodedOrigin)
 
void setSrcXformFormat (XformFormat pixelFormat)
 
XformFormat getSrcXformFormat () const
 
virtual bool onGetGainmapInfo (SkGainmapInfo *, std::unique_ptr< SkStream > *)
 
virtual SkISize onGetScaledDimensions (float) const
 
virtual bool onDimensionsSupported (const SkISize &)
 
virtual SkEncodedImageFormat onGetEncodedFormat () const =0
 
virtual Result onGetPixels (const SkImageInfo &info, void *pixels, size_t rowBytes, const Options &, int *rowsDecoded)=0
 
virtual bool onQueryYUVAInfo (const SkYUVAPixmapInfo::SupportedDataTypes &, SkYUVAPixmapInfo *) const
 
virtual Result onGetYUVAPlanes (const SkYUVAPixmaps &)
 
virtual bool onGetValidSubset (SkIRect *) const
 
bool rewindIfNeeded ()
 
virtual bool onRewind ()
 
SkStreamstream ()
 
virtual SkScanlineOrder onGetScanlineOrder () const
 
const SkImageInfodstInfo () const
 
const Optionsoptions () const
 
int currScanline () const
 
virtual int onOutputScanline (int inputScanline) const
 
virtual bool conversionSupported (const SkImageInfo &dst, bool srcIsOpaque, bool needsColorXform)
 
virtual bool usesColorXform () const
 
void applyColorXform (void *dst, const void *src, int count) const
 
bool colorXform () const
 
bool xformOnDecode () const
 
virtual int onGetFrameCount ()
 
virtual bool onGetFrameInfo (int, FrameInfo *) const
 
virtual int onGetRepetitionCount ()
 

Additional Inherited Members

- Public Types inherited from SkCodec
enum  Result {
  kSuccess , kIncompleteInput , kErrorInInput , kInvalidConversion ,
  kInvalidScale , kInvalidParameters , kInvalidInput , kCouldNotRewind ,
  kInternalError , kUnimplemented
}
 
enum class  SelectionPolicy { kPreferStillImage , kPreferAnimation }
 
enum  ZeroInitialized { kYes_ZeroInitialized , kNo_ZeroInitialized }
 
enum  SkScanlineOrder { kTopDown_SkScanlineOrder , kBottomUp_SkScanlineOrder }
 
- Static Public Member Functions inherited from SkBmpCodec
static bool IsBmp (const void *, size_t)
 
static std::unique_ptr< SkCodecMakeFromStream (std::unique_ptr< SkStream >, Result *)
 
static std::unique_ptr< SkCodecMakeFromIco (std::unique_ptr< SkStream >, Result *)
 
- Static Public Member Functions inherited from SkCodec
static constexpr size_t MinBufferedBytesNeeded ()
 
static const char * ResultToString (Result)
 
static std::unique_ptr< SkCodecMakeFromStream (std::unique_ptr< SkStream >, SkSpan< const SkCodecs::Decoder > decoders, Result *=nullptr, SkPngChunkReader *=nullptr, SelectionPolicy selectionPolicy=SelectionPolicy::kPreferStillImage)
 
static std::unique_ptr< SkCodecMakeFromStream (std::unique_ptr< SkStream >, Result *=nullptr, SkPngChunkReader *=nullptr, SelectionPolicy selectionPolicy=SelectionPolicy::kPreferStillImage)
 
static std::unique_ptr< SkCodecMakeFromData (sk_sp< SkData >, SkSpan< const SkCodecs::Decoder > decoders, SkPngChunkReader *=nullptr)
 
static std::unique_ptr< SkCodecMakeFromData (sk_sp< SkData >, SkPngChunkReader *=nullptr)
 
static void Register (bool(*peek)(const void *, size_t), std::unique_ptr< SkCodec >(*make)(std::unique_ptr< SkStream >, SkCodec::Result *))
 
- Static Public Attributes inherited from SkCodec
static constexpr int kNoFrame = -1
 
static constexpr int kRepetitionCountInfinite = -1
 
- Protected Types inherited from SkCodec
using XformFormat = skcms_PixelFormat
 
- Static Protected Member Functions inherited from SkBmpCodec
static Result ReadHeader (SkStream *, bool inIco, std::unique_ptr< SkCodec > *codecOut)
 
- Static Protected Attributes inherited from SkBmpCodec
static constexpr SkColorType kXformSrcColorType = kBGRA_8888_SkColorType
 
static constexpr auto kXformSrcColorFormat = skcms_PixelFormat_BGRA_8888
 

Detailed Description

Definition at line 23 of file SkBmpBaseCodec.h.

Constructor & Destructor Documentation

◆ ~SkBmpBaseCodec()

SkBmpBaseCodec::~SkBmpBaseCodec ( )
override

Definition at line 15 of file SkBmpBaseCodec.cpp.

15{}

◆ SkBmpBaseCodec()

SkBmpBaseCodec::SkBmpBaseCodec ( SkEncodedInfo &&  info,
std::unique_ptr< SkStream stream,
uint16_t  bitsPerPixel,
SkCodec::SkScanlineOrder  rowOrder 
)
protected

Definition at line 17 of file SkBmpBaseCodec.cpp.

19 : INHERITED(std::move(info), std::move(stream), bitsPerPixel, rowOrder)
20 , fSrcBuffer(sk_malloc_canfail(this->srcRowBytes()))
21{}
static void info(const char *fmt,...) SK_PRINTF_LIKE(1
Definition: DM.cpp:213
static void * sk_malloc_canfail(size_t size)
Definition: SkMalloc.h:93
size_t srcRowBytes() const
Definition: SkBmpCodec.h:89
uint16_t bitsPerPixel() const
Definition: SkBmpCodec.h:87
SkStream * stream()
Definition: SkCodec.h:865

Member Function Documentation

◆ didCreateSrcBuffer()

bool SkBmpBaseCodec::didCreateSrcBuffer ( ) const
inline

Definition at line 32 of file SkBmpBaseCodec.h.

32{ return fSrcBuffer != nullptr; }

◆ srcBuffer()

uint8_t * SkBmpBaseCodec::srcBuffer ( )
inlineprotected

Definition at line 38 of file SkBmpBaseCodec.h.

38{ return reinterpret_cast<uint8_t*>(fSrcBuffer.get()); }

The documentation for this class was generated from the following files: