/*
?*?jccolext.c
?*
?*?This?file?was?part?of?the?Independent?JPEG?Group‘s?software:
?*?Copyright?（C）?1991-1996?Thomas?G.?Lane.
?*?libjpeg-turbo?Modifications:
?*?Copyright?（C）?2009-2012?2015?D.?R.?Commander.
?*?For?conditions?of?distribution?and?use?see?the?accompanying?README.ijg
?*?file.
?*
?*?This?file?contains?input?colorspace?conversion?routines.
?*/


/*?This?file?is?included?by?jccolor.c?*/


/*
?*?Convert?some?rows?of?samples?to?the?JPEG?colorspace.
?*
?*?Note?that?we?change?from?the?application‘s?interleaved-pixel?format
?*?to?our?internal?noninterleaved?one-plane-per-component?format.
?*?The?input?buffer?is?therefore?three?times?as?wide?as?the?output?buffer.
?*
?*?A?starting?row?offset?is?provided?only?for?the?output?buffer.??The?caller
?*?can?easily?adjust?the?passed?input_buf?value?to?accommodate?any?row
?*?offset?required?on?that?side.
?*/

INLINE
LOCAL（void）
rgb_ycc_convert_internal（j_compress_ptr?cinfo?JSAMPARRAY?input_buf
?????????????????????????JSAMPIMAGE?output_buf?JDIMENSION?output_row
?????????????????????????int?num_rows）
{
??my_cconvert_ptr?cconvert?=?（my_cconvert_ptr）cinfo->cconvert;
??register?int?r?g?b;
??register?JLONG?*ctab?=?cconvert->rgb_ycc_tab;
??register?JSAMPROW?inptr;
??register?JSAMPROW?outptr0?outptr1?outptr2;
??register?JDIMENSION?col;
??JDIMENSION?num_cols?=?cinfo->image_width;

??while?（--num_rows?>=?0）?{
????inptr?=?*input_buf++;
????outptr0?=?output_buf[0][output_row];
????outptr1?=?output_buf[1][output_row];
????outptr2?=?output_buf[2][output_row];
????output_row++;
????for?（col?=?0;?col???????r?=?GETJSAMPLE（inptr[RGB_RED]）;
??????g?=?GETJSAMPLE（inptr[RGB_GREEN]）;
??????b?=?GETJSAMPLE（inptr[RGB_BLUE]）;
??????inptr?+=?RGB_PIXELSIZE;
??????/*?If?the?inputs?are?0..MAXJSAMPLE?the?outputs?of?these?equations
???????*?must?be?too;?we?do?not?need?an?explicit?range-limiting?operation.
???????*?Hence?the?value?being?shifted?is?never?negative?and?we?don‘t
???????*?need?the?general?RIGHT_SHIFT?macro.
???????*/
??????/*?Y?*/
??????outptr0[col]?=?（JSAMPLE）（（ctab[r?+?R_Y_OFF]?+?ctab[g?+?G_Y_OFF]?+
????????????????????????????????ctab[b?+?B_Y_OFF]）?>>?SCALEBITS）;
??????/*?Cb?*/
??????outptr1[col]?=?（JSAMPLE）（（ctab[r?+?R_CB_OFF]?+?ctab[g?+?G_CB_OFF]?+
????????????????????????????????ctab[b?+?B_CB_OFF]）?>>?SCALEBITS）;
??????/*?Cr?*/
??????outptr2[col]?=?（JSAMPLE）（（ctab[r?+?R_CR_OFF]?+?ctab[g?+?G_CR_OFF]?+
????????????????????????????????ctab[b?+?B_CR_OFF]）?>>?SCALEBITS）;
????}
??}
}


/****************?Cases?other?than?RGB?->?YCbCr?**************/


/*
?*?Convert?some?rows?of?samples?to?the?JPEG?colorspace.
?*?This?version?handles?RGB->grayscale?conversion?which?is?the?same
?*?as?the?RGB->Y?portion?of?RGB->YCbCr.
?*?We?assume?rgb_ycc_start?has?been?called?（we?only?use?the?Y?tables）.
?*/

INLINE
LOCAL（void）
rgb_gray_convert_internal（j_compress_ptr?cinfo?JSAMPARRAY?input_buf
??????????????????????????JSAMPIMAGE?output_buf?JDIMENSION?output_row
??????????????????????????int?num_rows）

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????6147??2020-09-08?18:29??tf211sdk\include\absl\algorithm\algorithm.h

?????文件??????75472??2020-09-08?18:30??tf211sdk\include\absl\algorithm\container.h

?????文件??????23633??2020-09-08?18:29??tf211sdk\include\absl\base\attributes.h

?????文件???????7970??2020-09-08?18:29??tf211sdk\include\absl\base\call_once.h

?????文件???????6967??2020-09-08?18:29??tf211sdk\include\absl\base\casts.h

?????文件??????17640??2020-09-08?18:29??tf211sdk\include\absl\base\config.h

?????文件???????3360??2020-09-08?18:29??tf211sdk\include\absl\base\const_init.h

?????文件??????16548??2020-09-08?18:29??tf211sdk\include\absl\base\dynamic_annotations.h

?????文件???????5955??2020-09-08?18:29??tf211sdk\include\absl\base\internal\atomic_hook.h

?????文件???????5798??2020-09-08?18:29??tf211sdk\include\absl\base\internal\bits.h

?????文件???????3261??2020-09-08?18:29??tf211sdk\include\absl\base\internal\cycleclock.h

?????文件???????5285??2020-09-08?18:30??tf211sdk\include\absl\base\internal\direct_mmap.h

?????文件???????8756??2020-09-08?18:29??tf211sdk\include\absl\base\internal\endian.h

?????文件???????1606??2020-09-08?18:29??tf211sdk\include\absl\base\internal\hide_ptr.h

?????文件????????941??2020-09-08?18:29??tf211sdk\include\absl\base\internal\identity.h

?????文件???????4709??2020-09-08?18:29??tf211sdk\include\absl\base\internal\inline_variable.h

?????文件???????7702??2020-09-08?18:29??tf211sdk\include\absl\base\internal\invoke.h

?????文件???????4647??2020-09-08?18:30??tf211sdk\include\absl\base\internal\low_level_alloc.h

?????文件???????3985??2020-09-08?18:29??tf211sdk\include\absl\base\internal\low_level_scheduling.h

?????文件???????1758??2020-09-08?18:29??tf211sdk\include\absl\base\internal\per_thread_tls.h

?????文件???????8935??2020-09-08?18:29??tf211sdk\include\absl\base\internal\raw_logging.h

?????文件???????2339??2020-09-08?18:29??tf211sdk\include\absl\base\internal\scheduling_mode.h

?????文件???????9029??2020-09-08?18:29??tf211sdk\include\absl\base\internal\spinlock.h

?????文件???????1311??2020-09-08?18:29??tf211sdk\include\absl\base\internal\spinlock_akaros.inc

?????文件???????2259??2020-09-08?18:29??tf211sdk\include\absl\base\internal\spinlock_linux.inc

?????文件???????1410??2020-09-08?18:29??tf211sdk\include\absl\base\internal\spinlock_posix.inc

?????文件???????3707??2020-09-08?18:29??tf211sdk\include\absl\base\internal\spinlock_wait.h

?????文件???????1265??2020-09-08?18:29??tf211sdk\include\absl\base\internal\spinlock_win32.inc

?????文件???????2212??2020-09-08?18:29??tf211sdk\include\absl\base\internal\sysinfo.h

?????文件??????10382??2020-09-08?18:29??tf211sdk\include\absl\base\internal\thread_annotations.h

............此處省略2688個文件信息