mirror of
https://github.com/python-pillow/Pillow.git
synced 2025-11-04 09:57:43 +03:00
bb1b3a532c
find * -type f "-(" -name "*.bdf" -o -name "*.c" -o -name "*.h" -o -name "*.py" -o -name "*.rst" -o -name "*.txt" "-)" -exec sed -e "s/[[:space:]]*$//" -i {} \;
509 lines
19 KiB
C
509 lines
19 KiB
C
/*
|
|
* The Python Imaging Library
|
|
* $Id$
|
|
*
|
|
* declarations for the imaging core library
|
|
*
|
|
* Copyright (c) 1997-2005 by Secret Labs AB
|
|
* Copyright (c) 1995-2005 by Fredrik Lundh
|
|
*
|
|
* See the README file for information on usage and redistribution.
|
|
*/
|
|
|
|
|
|
#include "ImPlatform.h"
|
|
|
|
|
|
#if defined(__cplusplus)
|
|
extern "C" {
|
|
#endif
|
|
|
|
|
|
#ifndef M_PI
|
|
#define M_PI 3.14159265359
|
|
#endif
|
|
|
|
|
|
/* -------------------------------------------------------------------- */
|
|
|
|
/*
|
|
* Image data organization:
|
|
*
|
|
* mode bytes byte order
|
|
* -------------------------------
|
|
* 1 1 1
|
|
* L 1 L
|
|
* P 1 P
|
|
* I 4 I (32-bit integer, native byte order)
|
|
* F 4 F (32-bit IEEE float, native byte order)
|
|
* RGB 4 R, G, B, -
|
|
* RGBA 4 R, G, B, A
|
|
* CMYK 4 C, M, Y, K
|
|
* YCbCr 4 Y, Cb, Cr, -
|
|
*
|
|
* experimental modes (incomplete):
|
|
* LA 4 L, -, -, A
|
|
* PA 4 P, -, -, A
|
|
* I;16 2 I (16-bit integer, native byte order)
|
|
*
|
|
* "P" is an 8-bit palette mode, which should be mapped through the
|
|
* palette member to get an output image. Check palette->mode to
|
|
* find the corresponding "real" mode.
|
|
*
|
|
* For information on how to access Imaging objects from your own C
|
|
* extensions, see http://www.effbot.org/zone/pil-extending.htm
|
|
*/
|
|
|
|
/* Handles */
|
|
|
|
typedef struct ImagingMemoryInstance* Imaging;
|
|
|
|
typedef struct ImagingAccessInstance* ImagingAccess;
|
|
typedef struct ImagingHistogramInstance* ImagingHistogram;
|
|
typedef struct ImagingOutlineInstance* ImagingOutline;
|
|
typedef struct ImagingPaletteInstance* ImagingPalette;
|
|
|
|
/* handle magics (used with PyCObject). */
|
|
#define IMAGING_MAGIC "PIL Imaging"
|
|
|
|
/* pixel types */
|
|
#define IMAGING_TYPE_UINT8 0
|
|
#define IMAGING_TYPE_INT32 1
|
|
#define IMAGING_TYPE_FLOAT32 2
|
|
#define IMAGING_TYPE_SPECIAL 3 /* check mode for details */
|
|
|
|
#define IMAGING_MODE_LENGTH 6+1 /* Band names ("1", "L", "P", "RGB", "RGBA", "CMYK", "YCbCr", "BGR;xy") */
|
|
|
|
struct ImagingMemoryInstance {
|
|
|
|
/* Format */
|
|
char mode[IMAGING_MODE_LENGTH]; /* Band names ("1", "L", "P", "RGB", "RGBA", "CMYK", "YCbCr", "BGR;xy") */
|
|
int type; /* Data type (IMAGING_TYPE_*) */
|
|
int depth; /* Depth (ignored in this version) */
|
|
int bands; /* Number of bands (1, 2, 3, or 4) */
|
|
int xsize; /* Image dimension. */
|
|
int ysize;
|
|
|
|
/* Colour palette (for "P" images only) */
|
|
ImagingPalette palette;
|
|
|
|
/* Data pointers */
|
|
UINT8 **image8; /* Set for 8-bit images (pixelsize=1). */
|
|
INT32 **image32; /* Set for 32-bit images (pixelsize=4). */
|
|
|
|
/* Internals */
|
|
char **image; /* Actual raster data. */
|
|
char *block; /* Set if data is allocated in a single block. */
|
|
|
|
int pixelsize; /* Size of a pixel, in bytes (1, 2 or 4) */
|
|
int linesize; /* Size of a line, in bytes (xsize * pixelsize) */
|
|
|
|
/* Virtual methods */
|
|
void (*destroy)(Imaging im);
|
|
};
|
|
|
|
|
|
#define IMAGING_PIXEL_1(im,x,y) ((im)->image8[(y)][(x)])
|
|
#define IMAGING_PIXEL_L(im,x,y) ((im)->image8[(y)][(x)])
|
|
#define IMAGING_PIXEL_LA(im,x,y) ((im)->image[(y)][(x)*4])
|
|
#define IMAGING_PIXEL_P(im,x,y) ((im)->image8[(y)][(x)])
|
|
#define IMAGING_PIXEL_PA(im,x,y) ((im)->image[(y)][(x)*4])
|
|
#define IMAGING_PIXEL_I(im,x,y) ((im)->image32[(y)][(x)])
|
|
#define IMAGING_PIXEL_F(im,x,y) (((FLOAT32*)(im)->image32[y])[x])
|
|
#define IMAGING_PIXEL_RGB(im,x,y) ((im)->image[(y)][(x)*4])
|
|
#define IMAGING_PIXEL_RGBA(im,x,y) ((im)->image[(y)][(x)*4])
|
|
#define IMAGING_PIXEL_CMYK(im,x,y) ((im)->image[(y)][(x)*4])
|
|
#define IMAGING_PIXEL_YCbCr(im,x,y) ((im)->image[(y)][(x)*4])
|
|
|
|
#define IMAGING_PIXEL_UINT8(im,x,y) ((im)->image8[(y)][(x)])
|
|
#define IMAGING_PIXEL_INT32(im,x,y) ((im)->image32[(y)][(x)])
|
|
#define IMAGING_PIXEL_FLOAT32(im,x,y) (((FLOAT32*)(im)->image32[y])[x])
|
|
|
|
struct ImagingAccessInstance {
|
|
const char* mode;
|
|
void* (*line)(Imaging im, int x, int y);
|
|
void (*get_pixel)(Imaging im, int x, int y, void* pixel);
|
|
void (*put_pixel)(Imaging im, int x, int y, const void* pixel);
|
|
};
|
|
|
|
struct ImagingHistogramInstance {
|
|
|
|
/* Format */
|
|
char mode[IMAGING_MODE_LENGTH]; /* Band names (of corresponding source image) */
|
|
int bands; /* Number of bands (1, 3, or 4) */
|
|
|
|
/* Data */
|
|
long *histogram; /* Histogram (bands*256 longs) */
|
|
|
|
};
|
|
|
|
|
|
struct ImagingPaletteInstance {
|
|
|
|
/* Format */
|
|
char mode[IMAGING_MODE_LENGTH]; /* Band names */
|
|
|
|
/* Data */
|
|
UINT8 palette[1024];/* Palette data (same format as image data) */
|
|
|
|
INT16* cache; /* Palette cache (used for predefined palettes) */
|
|
int keep_cache; /* This palette will be reused; keep cache */
|
|
|
|
};
|
|
|
|
|
|
/* Objects */
|
|
/* ------- */
|
|
|
|
extern int ImagingNewCount;
|
|
|
|
extern Imaging ImagingNew(const char* mode, int xsize, int ysize);
|
|
extern Imaging ImagingNew2(const char* mode, Imaging imOut, Imaging imIn);
|
|
extern void ImagingDelete(Imaging im);
|
|
|
|
extern Imaging ImagingNewBlock(const char* mode, int xsize, int ysize);
|
|
extern Imaging ImagingNewArray(const char* mode, int xsize, int ysize);
|
|
extern Imaging ImagingNewMap(const char* filename, int readonly,
|
|
const char* mode, int xsize, int ysize);
|
|
|
|
extern Imaging ImagingNewPrologue(const char *mode,
|
|
unsigned xsize, unsigned ysize);
|
|
extern Imaging ImagingNewPrologueSubtype(const char *mode,
|
|
unsigned xsize, unsigned ysize,
|
|
int structure_size);
|
|
extern Imaging ImagingNewEpilogue(Imaging im);
|
|
|
|
extern void ImagingCopyInfo(Imaging destination, Imaging source);
|
|
|
|
extern void ImagingHistogramDelete(ImagingHistogram histogram);
|
|
|
|
extern void ImagingAccessInit(void);
|
|
extern ImagingAccess ImagingAccessNew(Imaging im);
|
|
extern void _ImagingAccessDelete(Imaging im, ImagingAccess access);
|
|
#define ImagingAccessDelete(im, access) /* nop, for now */
|
|
/*#define ImagingAccessDelete(im, access) \
|
|
((access)->dynamic ? _ImagingAccessDelete((im), (access)), 0 : 0)) */
|
|
|
|
extern ImagingPalette ImagingPaletteNew(const char *mode);
|
|
extern ImagingPalette ImagingPaletteNewBrowser(void);
|
|
extern ImagingPalette ImagingPaletteDuplicate(ImagingPalette palette);
|
|
extern void ImagingPaletteDelete(ImagingPalette palette);
|
|
|
|
extern int ImagingPaletteCachePrepare(ImagingPalette palette);
|
|
extern void ImagingPaletteCacheUpdate(ImagingPalette palette,
|
|
int r, int g, int b);
|
|
extern void ImagingPaletteCacheDelete(ImagingPalette palette);
|
|
|
|
#define ImagingPaletteCache(p, r, g, b)\
|
|
p->cache[(r>>2) + (g>>2)*64 + (b>>2)*64*64]
|
|
|
|
extern Imaging ImagingQuantize(Imaging im, int colours, int mode, int kmeans);
|
|
|
|
/* Threading */
|
|
/* --------- */
|
|
|
|
typedef void* ImagingSectionCookie;
|
|
|
|
extern void ImagingSectionEnter(ImagingSectionCookie* cookie);
|
|
extern void ImagingSectionLeave(ImagingSectionCookie* cookie);
|
|
|
|
/* Exceptions */
|
|
/* ---------- */
|
|
|
|
extern void* ImagingError_IOError(void);
|
|
extern void* ImagingError_MemoryError(void);
|
|
extern void* ImagingError_ModeError(void); /* maps to ValueError by default */
|
|
extern void* ImagingError_Mismatch(void); /* maps to ValueError by default */
|
|
extern void* ImagingError_ValueError(const char* message);
|
|
extern void ImagingError_Clear(void);
|
|
|
|
/* Transform callbacks */
|
|
/* ------------------- */
|
|
|
|
/* standard transforms */
|
|
#define IMAGING_TRANSFORM_AFFINE 0
|
|
#define IMAGING_TRANSFORM_PERSPECTIVE 2
|
|
#define IMAGING_TRANSFORM_QUAD 3
|
|
|
|
|
|
/* standard filters */
|
|
#define IMAGING_TRANSFORM_NEAREST 0
|
|
#define IMAGING_TRANSFORM_ANTIALIAS 1
|
|
#define IMAGING_TRANSFORM_BILINEAR 2
|
|
#define IMAGING_TRANSFORM_BICUBIC 3
|
|
|
|
typedef int (*ImagingTransformMap)(double* X, double* Y,
|
|
int x, int y, void* data);
|
|
typedef int (*ImagingTransformFilter)(void* out, Imaging im,
|
|
double x, double y,
|
|
void* data);
|
|
|
|
/* Image Manipulation Methods */
|
|
/* -------------------------- */
|
|
|
|
extern Imaging ImagingAlphaComposite(Imaging imIn1, Imaging imIn2);
|
|
extern Imaging ImagingBlend(Imaging imIn1, Imaging imIn2, float alpha);
|
|
extern Imaging ImagingCopy(Imaging im);
|
|
extern Imaging ImagingConvert(Imaging im, const char* mode, ImagingPalette palette, int dither);
|
|
extern Imaging ImagingConvertInPlace(Imaging im, const char* mode);
|
|
extern Imaging ImagingConvertMatrix(Imaging im, const char *mode, float m[]);
|
|
extern Imaging ImagingCrop(Imaging im, int x0, int y0, int x1, int y1);
|
|
extern Imaging ImagingExpand(Imaging im, int x, int y, int mode);
|
|
extern Imaging ImagingFill(Imaging im, const void* ink);
|
|
extern int ImagingFill2(
|
|
Imaging into, const void* ink, Imaging mask,
|
|
int x0, int y0, int x1, int y1);
|
|
extern Imaging ImagingFillBand(Imaging im, int band, int color);
|
|
extern Imaging ImagingFillLinearGradient(const char* mode);
|
|
extern Imaging ImagingFillRadialGradient(const char* mode);
|
|
extern Imaging ImagingFilter(
|
|
Imaging im, int xsize, int ysize, const FLOAT32* kernel,
|
|
FLOAT32 offset, FLOAT32 divisor);
|
|
extern Imaging ImagingFlipLeftRight(Imaging imOut, Imaging imIn);
|
|
extern Imaging ImagingFlipTopBottom(Imaging imOut, Imaging imIn);
|
|
extern Imaging ImagingGaussianBlur(Imaging im, Imaging imOut, float radius);
|
|
extern Imaging ImagingGetBand(Imaging im, int band);
|
|
extern int ImagingGetBBox(Imaging im, int bbox[4]);
|
|
typedef struct { int x, y; INT32 count; INT32 pixel; } ImagingColorItem;
|
|
extern ImagingColorItem* ImagingGetColors(Imaging im, int maxcolors,
|
|
int *colors);
|
|
extern int ImagingGetExtrema(Imaging im, void *extrema);
|
|
extern int ImagingGetProjection(Imaging im, UINT8* xproj, UINT8* yproj);
|
|
extern ImagingHistogram ImagingGetHistogram(
|
|
Imaging im, Imaging mask, void *extrema);
|
|
extern Imaging ImagingModeFilter(Imaging im, int size);
|
|
extern Imaging ImagingNegative(Imaging im);
|
|
extern Imaging ImagingOffset(Imaging im, int xoffset, int yoffset);
|
|
extern int ImagingPaste(
|
|
Imaging into, Imaging im, Imaging mask,
|
|
int x0, int y0, int x1, int y1);
|
|
extern Imaging ImagingPoint(
|
|
Imaging im, const char* tablemode, const void* table);
|
|
extern Imaging ImagingPointTransform(
|
|
Imaging imIn, double scale, double offset);
|
|
extern Imaging ImagingPutBand(Imaging im, Imaging imIn, int band);
|
|
extern Imaging ImagingRankFilter(Imaging im, int size, int rank);
|
|
extern Imaging ImagingResize(Imaging imOut, Imaging imIn, int filter);
|
|
extern Imaging ImagingRotate(
|
|
Imaging imOut, Imaging imIn, double theta, int filter);
|
|
extern Imaging ImagingRotate90(Imaging imOut, Imaging imIn);
|
|
extern Imaging ImagingRotate180(Imaging imOut, Imaging imIn);
|
|
extern Imaging ImagingRotate270(Imaging imOut, Imaging imIn);
|
|
extern Imaging ImagingStretch(Imaging imOut, Imaging imIn, int filter);
|
|
extern Imaging ImagingTransformPerspective(
|
|
Imaging imOut, Imaging imIn, int x0, int y0, int x1, int y1,
|
|
double a[8], int filter, int fill);
|
|
extern Imaging ImagingTransformAffine(
|
|
Imaging imOut, Imaging imIn, int x0, int y0, int x1, int y1,
|
|
double a[6], int filter, int fill);
|
|
extern Imaging ImagingTransformQuad(
|
|
Imaging imOut, Imaging imIn, int x0, int y0, int x1, int y1,
|
|
double a[8], int filter, int fill);
|
|
extern Imaging ImagingTransform(
|
|
Imaging imOut, Imaging imIn, int x0, int y0, int x1, int y1,
|
|
ImagingTransformMap transform, void* transform_data,
|
|
ImagingTransformFilter filter, void* filter_data,
|
|
int fill);
|
|
extern Imaging ImagingUnsharpMask(
|
|
Imaging im, Imaging imOut, float radius, int percent, int threshold);
|
|
|
|
extern Imaging ImagingCopy2(Imaging imOut, Imaging imIn);
|
|
extern Imaging ImagingConvert2(Imaging imOut, Imaging imIn);
|
|
|
|
/* Channel operations */
|
|
/* any mode, except "F" */
|
|
extern Imaging ImagingChopLighter(Imaging imIn1, Imaging imIn2);
|
|
extern Imaging ImagingChopDarker(Imaging imIn1, Imaging imIn2);
|
|
extern Imaging ImagingChopDifference(Imaging imIn1, Imaging imIn2);
|
|
extern Imaging ImagingChopMultiply(Imaging imIn1, Imaging imIn2);
|
|
extern Imaging ImagingChopScreen(Imaging imIn1, Imaging imIn2);
|
|
extern Imaging ImagingChopAdd(
|
|
Imaging imIn1, Imaging imIn2, float scale, int offset);
|
|
extern Imaging ImagingChopSubtract(
|
|
Imaging imIn1, Imaging imIn2, float scale, int offset);
|
|
extern Imaging ImagingChopAddModulo(Imaging imIn1, Imaging imIn2);
|
|
extern Imaging ImagingChopSubtractModulo(Imaging imIn1, Imaging imIn2);
|
|
|
|
/* "1" images only */
|
|
extern Imaging ImagingChopAnd(Imaging imIn1, Imaging imIn2);
|
|
extern Imaging ImagingChopOr(Imaging imIn1, Imaging imIn2);
|
|
extern Imaging ImagingChopXor(Imaging imIn1, Imaging imIn2);
|
|
|
|
/* Image measurement */
|
|
extern void ImagingCrack(Imaging im, int x0, int y0);
|
|
|
|
/* Graphics */
|
|
struct ImagingAffineMatrixInstance {
|
|
float a[9];
|
|
};
|
|
|
|
typedef struct ImagingAffineMatrixInstance *ImagingAffineMatrix;
|
|
|
|
extern int ImagingDrawArc(Imaging im, int x0, int y0, int x1, int y1,
|
|
int start, int end, const void* ink, int op);
|
|
extern int ImagingDrawBitmap(Imaging im, int x0, int y0, Imaging bitmap,
|
|
const void* ink, int op);
|
|
extern int ImagingDrawChord(Imaging im, int x0, int y0, int x1, int y1,
|
|
int start, int end, const void* ink, int fill,
|
|
int op);
|
|
extern int ImagingDrawEllipse(Imaging im, int x0, int y0, int x1, int y1,
|
|
const void* ink, int fill, int op);
|
|
extern int ImagingDrawLine(Imaging im, int x0, int y0, int x1, int y1,
|
|
const void* ink, int op);
|
|
extern int ImagingDrawWideLine(Imaging im, int x0, int y0, int x1, int y1,
|
|
const void* ink, int width, int op);
|
|
extern int ImagingDrawPieslice(Imaging im, int x0, int y0, int x1, int y1,
|
|
int start, int end, const void* ink, int fill,
|
|
int op);
|
|
extern int ImagingDrawPoint(Imaging im, int x, int y, const void* ink, int op);
|
|
extern int ImagingDrawPolygon(Imaging im, int points, int *xy,
|
|
const void* ink, int fill, int op);
|
|
extern int ImagingDrawRectangle(Imaging im, int x0, int y0, int x1, int y1,
|
|
const void* ink, int fill, int op);
|
|
|
|
/* Level 2 graphics (WORK IN PROGRESS) */
|
|
extern ImagingOutline ImagingOutlineNew(void);
|
|
extern void ImagingOutlineDelete(ImagingOutline outline);
|
|
|
|
extern int ImagingDrawOutline(Imaging im, ImagingOutline outline,
|
|
const void* ink, int fill, int op);
|
|
|
|
extern int ImagingOutlineMove(ImagingOutline outline, float x, float y);
|
|
extern int ImagingOutlineLine(ImagingOutline outline, float x, float y);
|
|
extern int ImagingOutlineCurve(ImagingOutline outline, float x1, float y1,
|
|
float x2, float y2, float x3, float y3);
|
|
extern int ImagingOutlineTransform(ImagingOutline outline, double a[6]);
|
|
|
|
extern int ImagingOutlineClose(ImagingOutline outline);
|
|
|
|
/* Special effects */
|
|
extern Imaging ImagingEffectSpread(Imaging imIn, int distance);
|
|
extern Imaging ImagingEffectNoise(int xsize, int ysize, float sigma);
|
|
extern Imaging ImagingEffectMandelbrot(int xsize, int ysize,
|
|
double extent[4], int quality);
|
|
|
|
/* Obsolete */
|
|
extern int ImagingToString(Imaging im, int orientation, char *buffer);
|
|
extern int ImagingFromString(Imaging im, int orientation, char *buffer);
|
|
|
|
|
|
/* File I/O */
|
|
/* -------- */
|
|
|
|
/* Built-in drivers */
|
|
extern Imaging ImagingOpenPPM(const char* filename);
|
|
extern int ImagingSavePPM(Imaging im, const char* filename);
|
|
|
|
/* Utility functions */
|
|
extern UINT32 ImagingCRC32(UINT32 crc, UINT8* buffer, int bytes);
|
|
|
|
/* Codecs */
|
|
typedef struct ImagingCodecStateInstance *ImagingCodecState;
|
|
typedef int (*ImagingCodec)(Imaging im, ImagingCodecState state,
|
|
UINT8* buffer, int bytes);
|
|
|
|
extern int ImagingBitDecode(Imaging im, ImagingCodecState state,
|
|
UINT8* buffer, int bytes);
|
|
extern int ImagingEpsEncode(Imaging im, ImagingCodecState state,
|
|
UINT8* buffer, int bytes);
|
|
extern int ImagingFliDecode(Imaging im, ImagingCodecState state,
|
|
UINT8* buffer, int bytes);
|
|
extern int ImagingGifDecode(Imaging im, ImagingCodecState state,
|
|
UINT8* buffer, int bytes);
|
|
extern int ImagingGifEncode(Imaging im, ImagingCodecState state,
|
|
UINT8* buffer, int bytes);
|
|
extern int ImagingHexDecode(Imaging im, ImagingCodecState state,
|
|
UINT8* buffer, int bytes);
|
|
#ifdef HAVE_LIBJPEG
|
|
extern int ImagingJpegDecode(Imaging im, ImagingCodecState state,
|
|
UINT8* buffer, int bytes);
|
|
extern int ImagingJpegDecodeCleanup(ImagingCodecState state);
|
|
|
|
extern int ImagingJpegEncode(Imaging im, ImagingCodecState state,
|
|
UINT8* buffer, int bytes);
|
|
#endif
|
|
extern int ImagingLzwDecode(Imaging im, ImagingCodecState state,
|
|
UINT8* buffer, int bytes);
|
|
#ifdef HAVE_LIBTIFF
|
|
extern int ImagingLibTiffDecode(Imaging im, ImagingCodecState state,
|
|
UINT8* buffer, int bytes);
|
|
extern int ImagingLibTiffEncode(Imaging im, ImagingCodecState state,
|
|
UINT8* buffer, int bytes);
|
|
#endif
|
|
#ifdef HAVE_LIBMPEG
|
|
extern int ImagingMpegDecode(Imaging im, ImagingCodecState state,
|
|
UINT8* buffer, int bytes);
|
|
#endif
|
|
extern int ImagingMspDecode(Imaging im, ImagingCodecState state,
|
|
UINT8* buffer, int bytes);
|
|
extern int ImagingPackbitsDecode(Imaging im, ImagingCodecState state,
|
|
UINT8* buffer, int bytes);
|
|
extern int ImagingPcdDecode(Imaging im, ImagingCodecState state,
|
|
UINT8* buffer, int bytes);
|
|
extern int ImagingPcxDecode(Imaging im, ImagingCodecState state,
|
|
UINT8* buffer, int bytes);
|
|
extern int ImagingPcxEncode(Imaging im, ImagingCodecState state,
|
|
UINT8* buffer, int bytes);
|
|
extern int ImagingRawDecode(Imaging im, ImagingCodecState state,
|
|
UINT8* buffer, int bytes);
|
|
extern int ImagingRawEncode(Imaging im, ImagingCodecState state,
|
|
UINT8* buffer, int bytes);
|
|
extern int ImagingSunRleDecode(Imaging im, ImagingCodecState state,
|
|
UINT8* buffer, int bytes);
|
|
extern int ImagingTgaRleDecode(Imaging im, ImagingCodecState state,
|
|
UINT8* buffer, int bytes);
|
|
extern int ImagingXbmDecode(Imaging im, ImagingCodecState state,
|
|
UINT8* buffer, int bytes);
|
|
extern int ImagingXbmEncode(Imaging im, ImagingCodecState state,
|
|
UINT8* buffer, int bytes);
|
|
#ifdef HAVE_LIBZ
|
|
extern int ImagingZipDecode(Imaging im, ImagingCodecState state,
|
|
UINT8* buffer, int bytes);
|
|
extern int ImagingZipEncode(Imaging im, ImagingCodecState state,
|
|
UINT8* buffer, int bytes);
|
|
#endif
|
|
|
|
typedef void (*ImagingShuffler)(UINT8* out, const UINT8* in, int pixels);
|
|
|
|
/* Public shufflers */
|
|
extern void ImagingPackRGB(UINT8* out, const UINT8* in, int pixels);
|
|
extern void ImagingPackBGR(UINT8* out, const UINT8* in, int pixels);
|
|
extern void ImagingUnpackRGB(UINT8* out, const UINT8* in, int pixels);
|
|
extern void ImagingUnpackBGR(UINT8* out, const UINT8* in, int pixels);
|
|
extern void ImagingUnpackYCC(UINT8* out, const UINT8* in, int pixels);
|
|
extern void ImagingUnpackYCCA(UINT8* out, const UINT8* in, int pixels);
|
|
extern void ImagingUnpackYCbCr(UINT8* out, const UINT8* in, int pixels);
|
|
|
|
extern void ImagingConvertRGB2YCbCr(UINT8* out, const UINT8* in, int pixels);
|
|
extern void ImagingConvertYCbCr2RGB(UINT8* out, const UINT8* in, int pixels);
|
|
|
|
extern ImagingShuffler ImagingFindUnpacker(const char* mode,
|
|
const char* rawmode, int* bits_out);
|
|
extern ImagingShuffler ImagingFindPacker(const char* mode,
|
|
const char* rawmode, int* bits_out);
|
|
|
|
struct ImagingCodecStateInstance {
|
|
int count;
|
|
int state;
|
|
int errcode;
|
|
int x, y;
|
|
int ystep;
|
|
int xsize, ysize, xoff, yoff;
|
|
ImagingShuffler shuffle;
|
|
int bits, bytes;
|
|
UINT8 *buffer;
|
|
void *context;
|
|
};
|
|
|
|
/* Errcodes */
|
|
#define IMAGING_CODEC_END 1
|
|
#define IMAGING_CODEC_OVERRUN -1
|
|
#define IMAGING_CODEC_BROKEN -2
|
|
#define IMAGING_CODEC_UNKNOWN -3
|
|
#define IMAGING_CODEC_CONFIG -8
|
|
#define IMAGING_CODEC_MEMORY -9
|
|
|
|
#if defined(__cplusplus)
|
|
}
|
|
#endif
|