JpegDecoderMgr Class Reference

#include <SkJpegDecoderMgr.h>

Inheritance diagram for JpegDecoderMgr:

Public Member Functions
bool	returnFalse (const char caller[])
SkCodec::Result	returnFailure (const char caller[], SkCodec::Result result)
	JpegDecoderMgr (SkStream *stream)
void	init ()
bool	getEncodedColor (SkEncodedInfo::Color *outColor)
	~JpegDecoderMgr ()
skjpeg_error_mgr *	errorMgr ()
jpeg_decompress_struct *	dinfo ()
SkJpegSourceMgr *	getSourceMgr ()

Detailed Description

Definition at line 25 of file SkJpegDecoderMgr.h.

Constructor & Destructor Documentation

JpegDecoderMgr()

JpegDecoderMgr::JpegDecoderMgr

(

SkStream *

stream

)

Definition at line 92 of file SkJpegDecoderMgr.cpp.

        : fSrcMgr(SkJpegSourceMgr::Make(stream)), fInit(false) {
    // An error manager must be set before any calls to libjpeg, in order to handle failures.
    fDInfo.err = jpeg_std_error(&fErrorMgr);
    fErrorMgr.error_exit = skjpeg_err_exit;
}

~JpegDecoderMgr()

JpegDecoderMgr::~JpegDecoderMgr

(

)

Definition at line 108 of file SkJpegDecoderMgr.cpp.

                                {
    if (fInit) {
        jpeg_destroy_decompress(&fDInfo);
    }
}

Member Function Documentation

dinfo()

jpeg_decompress_struct * JpegDecoderMgr::dinfo ( )

inline

Definition at line 69 of file SkJpegDecoderMgr.h.

{ return &fDInfo; }

errorMgr()

skjpeg_error_mgr * JpegDecoderMgr::errorMgr ( )

inline

Definition at line 64 of file SkJpegDecoderMgr.h.

{ return &fErrorMgr; }

getEncodedColor()

bool JpegDecoderMgr::getEncodedColor

(

SkEncodedInfo::Color *

outColor

)

Definition at line 63 of file SkJpegDecoderMgr.cpp.

                                                                 {
    switch (fDInfo.jpeg_color_space) {
        case JCS_GRAYSCALE:
            *outColor = SkEncodedInfo::kGray_Color;
            return true;
        case JCS_YCbCr:
            *outColor = SkEncodedInfo::kYUV_Color;
            return true;
        case JCS_RGB:
#ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK
            SkAndroidFrameworkUtils::SafetyNetLog("118372692");
#endif
            *outColor = SkEncodedInfo::kRGB_Color;
            return true;
        case JCS_YCCK:
            *outColor = SkEncodedInfo::kYCCK_Color;
            return true;
        case JCS_CMYK:
            *outColor = SkEncodedInfo::kInvertedCMYK_Color;
            return true;
        default:
            return false;
    }
}

getSourceMgr()

SkJpegSourceMgr * JpegDecoderMgr::getSourceMgr

(

)

Definition at line 88 of file SkJpegDecoderMgr.cpp.

                                              {
    return fSrcMgr.fSourceMgr.get();
}

init()

void JpegDecoderMgr::init

(

)

Definition at line 99 of file SkJpegDecoderMgr.cpp.

                          {
    jpeg_create_decompress(&fDInfo);
    fInit = true;
    fDInfo.src = &fSrcMgr;
    fDInfo.err->output_message = &output_message;
    fDInfo.progress = &fProgressMgr;
    fProgressMgr.progress_monitor = &progress_monitor;
}

returnFailure()

SkCodec::Result JpegDecoderMgr::returnFailure	(	const char	caller[],
		SkCodec::Result	result
	)

Definition at line 58 of file SkJpegDecoderMgr.cpp.

                                                                                     {
    print_message((j_common_ptr) &fDInfo, caller);
    return result;
}

returnFalse()

bool JpegDecoderMgr::returnFalse

(

const char

caller[]

)

Definition at line 53 of file SkJpegDecoderMgr.cpp.

                                                    {
    print_message((j_common_ptr) &fDInfo, caller);
    return false;
}

---

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

• third_party/skia/src/codec/SkJpegDecoderMgr.h
• third_party/skia/src/codec/SkJpegDecoderMgr.cpp