/* Declarations for both compression & decompression */
-typedef enum { /* Operating modes for buffer controllers */
- JBUF_PASS_THRU, /* Plain stripwise operation */
- /* Remaining modes require a full-image buffer to have been created */
- JBUF_SAVE_SOURCE, /* Run source subobject only, save output */
- JBUF_CRANK_DEST, /* Run dest subobject only, using saved data */
- JBUF_SAVE_AND_PASS /* Run both subobjects, save output */
+typedef enum { /* Operating modes for buffer controllers */
+ JBUF_PASS_THRU, /* Plain stripwise operation */
+ /* Remaining modes require a full-image buffer to have been created */
+ JBUF_SAVE_SOURCE, /* Run source subobject only, save output */
+ JBUF_CRANK_DEST, /* Run dest subobject only, using saved data */
+ JBUF_SAVE_AND_PASS /* Run both subobjects, save output */
} J_BUF_MODE;
/* Values of global_state field (jdapi.c has some dependencies on ordering!) */
#define JCS_ALPHA_EXTENSIONS 1
typedef enum {
- JCS_UNKNOWN, /* error/unspecified */
- JCS_GRAYSCALE, /* monochrome */
- JCS_RGB, /* red/green/blue as specified by the RGB_RED, RGB_GREEN,
- RGB_BLUE, and RGB_PIXELSIZE macros */
- JCS_YCbCr, /* Y/Cb/Cr (also known as YUV) */
- JCS_CMYK, /* C/M/Y/K */
- JCS_YCCK, /* Y/Cb/Cr/K */
- JCS_EXT_RGB, /* red/green/blue */
- JCS_EXT_RGBX, /* red/green/blue/x */
- JCS_EXT_BGR, /* blue/green/red */
- JCS_EXT_BGRX, /* blue/green/red/x */
- JCS_EXT_XBGR, /* x/blue/green/red */
- JCS_EXT_XRGB, /* x/red/green/blue */
- /* When out_color_space it set to JCS_EXT_RGBX, JCS_EXT_BGRX,
- JCS_EXT_XBGR, or JCS_EXT_XRGB during decompression, the X byte is
- undefined, and in order to ensure the best performance,
- libjpeg-turbo can set that byte to whatever value it wishes. Use
- the following colorspace constants to ensure that the X byte is set
- to 0xFF, so that it can be interpreted as an opaque alpha
- channel. */
- JCS_EXT_RGBA, /* red/green/blue/alpha */
- JCS_EXT_BGRA, /* blue/green/red/alpha */
- JCS_EXT_ABGR, /* alpha/blue/green/red */
- JCS_EXT_ARGB /* alpha/red/green/blue */
+ JCS_UNKNOWN, /* error/unspecified */
+ JCS_GRAYSCALE, /* monochrome */
+ JCS_RGB, /* red/green/blue as specified by the RGB_RED,
+ RGB_GREEN, RGB_BLUE, and RGB_PIXELSIZE macros */
+ JCS_YCbCr, /* Y/Cb/Cr (also known as YUV) */
+ JCS_CMYK, /* C/M/Y/K */
+ JCS_YCCK, /* Y/Cb/Cr/K */
+ JCS_EXT_RGB, /* red/green/blue */
+ JCS_EXT_RGBX, /* red/green/blue/x */
+ JCS_EXT_BGR, /* blue/green/red */
+ JCS_EXT_BGRX, /* blue/green/red/x */
+ JCS_EXT_XBGR, /* x/blue/green/red */
+ JCS_EXT_XRGB, /* x/red/green/blue */
+ /* When out_color_space it set to JCS_EXT_RGBX, JCS_EXT_BGRX, JCS_EXT_XBGR,
+ or JCS_EXT_XRGB during decompression, the X byte is undefined, and in
+ order to ensure the best performance, libjpeg-turbo can set that byte to
+ whatever value it wishes. Use the following colorspace constants to
+ ensure that the X byte is set to 0xFF, so that it can be interpreted as an
+ opaque alpha channel. */
+ JCS_EXT_RGBA, /* red/green/blue/alpha */
+ JCS_EXT_BGRA, /* blue/green/red/alpha */
+ JCS_EXT_ABGR, /* alpha/blue/green/red */
+ JCS_EXT_ARGB /* alpha/red/green/blue */
} J_COLOR_SPACE;
/* DCT/IDCT algorithm options. */
typedef enum {
- JDCT_ISLOW, /* slow but accurate integer algorithm */
- JDCT_IFAST, /* faster, less accurate integer method */
- JDCT_FLOAT /* floating-point: accurate, fast on fast HW */
+ JDCT_ISLOW, /* slow but accurate integer algorithm */
+ JDCT_IFAST, /* faster, less accurate integer method */
+ JDCT_FLOAT /* floating-point: accurate, fast on fast HW */
} J_DCT_METHOD;
#ifndef JDCT_DEFAULT /* may be overridden in jconfig.h */
/* Dithering options for decompression. */
typedef enum {
- JDITHER_NONE, /* no dithering */
- JDITHER_ORDERED, /* simple ordered dither */
- JDITHER_FS /* Floyd-Steinberg error diffusion dither */
+ JDITHER_NONE, /* no dithering */
+ JDITHER_ORDERED, /* simple ordered dither */
+ JDITHER_FS /* Floyd-Steinberg error diffusion dither */
} J_DITHER_MODE;
*/
typedef enum {
- JXFORM_NONE, /* no transformation */
- JXFORM_FLIP_H, /* horizontal flip */
- JXFORM_FLIP_V, /* vertical flip */
- JXFORM_TRANSPOSE, /* transpose across UL-to-LR axis */
- JXFORM_TRANSVERSE, /* transpose across UR-to-LL axis */
- JXFORM_ROT_90, /* 90-degree clockwise rotation */
- JXFORM_ROT_180, /* 180-degree rotation */
- JXFORM_ROT_270 /* 270-degree clockwise (or 90 ccw) */
+ JXFORM_NONE, /* no transformation */
+ JXFORM_FLIP_H, /* horizontal flip */
+ JXFORM_FLIP_V, /* vertical flip */
+ JXFORM_TRANSPOSE, /* transpose across UL-to-LR axis */
+ JXFORM_TRANSVERSE, /* transpose across UR-to-LL axis */
+ JXFORM_ROT_90, /* 90-degree clockwise rotation */
+ JXFORM_ROT_180, /* 180-degree rotation */
+ JXFORM_ROT_270 /* 270-degree clockwise (or 90 ccw) */
} JXFORM_CODE;
/*
*/
typedef enum {
- JCROP_UNSET,
- JCROP_POS,
- JCROP_NEG,
- JCROP_FORCE
+ JCROP_UNSET,
+ JCROP_POS,
+ JCROP_NEG,
+ JCROP_FORCE
} JCROP_CODE;
/*
*/
typedef enum {
- JCOPYOPT_NONE, /* copy no optional markers */
- JCOPYOPT_COMMENTS, /* copy only comment (COM) markers */
- JCOPYOPT_ALL /* copy all optional markers */
+ JCOPYOPT_NONE, /* copy no optional markers */
+ JCOPYOPT_COMMENTS, /* copy only comment (COM) markers */
+ JCOPYOPT_ALL /* copy all optional markers */
} JCOPY_OPTION;
#define JCOPYOPT_DEFAULT JCOPYOPT_COMMENTS /* recommended default */