image.c File Reference

#include <stdlib.h>
#include <winpr/config.h>
#include <winpr/wtypes.h>
#include <winpr/crt.h>
#include <winpr/file.h>
#include <winpr/image.h>
#include <winpr/stream.h>
#include "image.h"
#include "../log.h"

Macros
#define	TAG   WINPR_TAG("utils.image")

Functions
static SSIZE_T	winpr_convert_from_jpeg (const BYTE *comp_data, size_t comp_data_bytes, UINT32 *width, UINT32 *height, UINT32 *bpp, BYTE **ppdecomp_data)
static SSIZE_T	winpr_convert_from_png (const BYTE *comp_data, size_t comp_data_bytes, UINT32 *width, UINT32 *height, UINT32 *bpp, BYTE **ppdecomp_data)
static SSIZE_T	winpr_convert_from_webp (const BYTE *comp_data, size_t comp_data_bytes, UINT32 *width, UINT32 *height, UINT32 *bpp, BYTE **ppdecomp_data)
BOOL	writeBitmapFileHeader (wStream *s, const WINPR_BITMAP_FILE_HEADER *bf)
BOOL	readBitmapFileHeader (wStream *s, WINPR_BITMAP_FILE_HEADER *bf)
BOOL	writeBitmapInfoHeader (wStream *s, const WINPR_BITMAP_INFO_HEADER *bi)
BOOL	readBitmapInfoHeader (wStream *s, WINPR_BITMAP_INFO_HEADER *bi, size_t *poffset)
BYTE *	winpr_bitmap_construct_header (size_t width, size_t height, size_t bpp)
static void *	winpr_bitmap_write_buffer (const BYTE *data, size_t size, UINT32 width, UINT32 height, UINT32 stride, UINT32 bpp, UINT32 *pSize)
int	winpr_bitmap_write (const char *filename, const BYTE *data, size_t width, size_t height, size_t bpp)
int	winpr_bitmap_write_ex (const char *filename, const BYTE *data, size_t stride, size_t width, size_t height, size_t bpp)
static int	write_and_free (const char *filename, void *data, size_t size)
int	winpr_image_write (wImage *image, const char *filename)
int	winpr_image_write_ex (wImage *image, UINT32 format, const char *filename)
static int	winpr_image_bitmap_read_buffer (wImage *image, const BYTE *buffer, size_t size)
int	winpr_image_read (wImage *image, const char *filename)
int	winpr_image_read_buffer (wImage *image, const BYTE *buffer, size_t size)
wImage *	winpr_image_new (void)
void	winpr_image_free (wImage *image, BOOL bFreeBuffer)
static void *	winpr_convert_to_jpeg (const void *data, size_t size, UINT32 width, UINT32 height, UINT32 stride, UINT32 bpp, UINT32 *pSize)
static void *	winpr_convert_to_webp (const void *data, size_t size, UINT32 width, UINT32 height, UINT32 stride, UINT32 bpp, UINT32 *pSize)
static void *	winpr_convert_to_png (const void *data, size_t size, UINT32 width, UINT32 height, UINT32 stride, UINT32 bpp, UINT32 *pSize)
BOOL	winpr_image_format_is_supported (UINT32 format)
static BYTE *	convert (const wImage *image, size_t *pstride, UINT32 flags)
static BOOL	compare_byte_relaxed (BYTE a, BYTE b, UINT32 flags)
static BOOL	compare_pixel (const BYTE *pa, const BYTE *pb, UINT32 flags)
BOOL	winpr_image_equal (const wImage *imageA, const wImage *imageB, UINT32 flags)
const char *	winpr_image_format_mime (UINT32 format)
const char *	winpr_image_format_extension (UINT32 format)
void *	winpr_image_write_buffer (wImage *image, UINT32 format, size_t *psize)

Macro Definition Documentation

TAG

#define TAG   WINPR_TAG("utils.image")

WinPR: Windows Portable Runtime Image Utils

Copyright 2014 Marc-Andre Moreau marca.nosp@m.ndre.nosp@m..more.nosp@m.au@g.nosp@m.mail..nosp@m.com Copyright 2016 Inuvika Inc. Copyright 2016 David PHAM-VAN d.pha.nosp@m.mvan.nosp@m.@inuv.nosp@m.ika..nosp@m.com

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Function Documentation

compare_byte_relaxed()

static BOOL compare_byte_relaxed ( BYTE  a, BYTE  b, UINT32  flags  )

static

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compare_pixel()

static BOOL compare_pixel ( const BYTE *  pa, const BYTE *  pb, UINT32  flags  )

static

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convert()

static BYTE* convert ( const wImage *  image, size_t *  pstride, UINT32  flags  )

static

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readBitmapFileHeader()

BOOL readBitmapFileHeader	(	wStream *	s,
		WINPR_BITMAP_FILE_HEADER *	bf
	)

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readBitmapInfoHeader()

BOOL readBitmapInfoHeader	(	wStream *	s,
		WINPR_BITMAP_INFO_HEADER *	bi,
		size_t *	poffset
	)

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winpr_bitmap_construct_header()

BYTE* winpr_bitmap_construct_header	(	size_t	width,
		size_t	height,
		size_t	bpp
	)

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winpr_bitmap_write()

int winpr_bitmap_write	(	const char *	filename,
		const BYTE *	data,
		size_t	width,
		size_t	height,
		size_t	bpp
	)

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winpr_bitmap_write_buffer()

static void* winpr_bitmap_write_buffer ( const BYTE *  data, size_t  size, UINT32  width, UINT32  height, UINT32  stride, UINT32  bpp, UINT32 *  pSize  )

static

Refer to "Compressed Image File Formats: JPEG, PNG, GIF, XBM, BMP" book

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winpr_bitmap_write_ex()

int winpr_bitmap_write_ex	(	const char *	filename,
		const BYTE *	data,
		size_t	stride,
		size_t	width,
		size_t	height,
		size_t	bpp
	)

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winpr_convert_from_jpeg()

SSIZE_T winpr_convert_from_jpeg ( const BYTE *  comp_data, size_t  comp_data_bytes, UINT32 *  width, UINT32 *  height, UINT32 *  bpp, BYTE **  ppdecomp_data  )

static

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winpr_convert_from_png()

SSIZE_T winpr_convert_from_png ( const BYTE *  comp_data, size_t  comp_data_bytes, UINT32 *  width, UINT32 *  height, UINT32 *  bpp, BYTE **  ppdecomp_data  )

static

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winpr_convert_from_webp()

SSIZE_T winpr_convert_from_webp ( const BYTE *  comp_data, size_t  comp_data_bytes, UINT32 *  width, UINT32 *  height, UINT32 *  bpp, BYTE **  ppdecomp_data  )

static

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winpr_convert_to_jpeg()

static void* winpr_convert_to_jpeg ( const void *  data, size_t  size, UINT32  width, UINT32  height, UINT32  stride, UINT32  bpp, UINT32 *  pSize  )

static

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winpr_convert_to_png()

static void* winpr_convert_to_png ( const void *  data, size_t  size, UINT32  width, UINT32  height, UINT32  stride, UINT32  bpp, UINT32 *  pSize  )

static

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winpr_convert_to_webp()

static void* winpr_convert_to_webp ( const void *  data, size_t  size, UINT32  width, UINT32  height, UINT32  stride, UINT32  bpp, UINT32 *  pSize  )

static

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winpr_image_bitmap_read_buffer()

static int winpr_image_bitmap_read_buffer ( wImage *  image, const BYTE *  buffer, size_t  size  )

static

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winpr_image_equal()

BOOL winpr_image_equal	(	const wImage *	imageA,
		const wImage *	imageB,
		UINT32	flags
	)

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winpr_image_format_extension()

const char* winpr_image_format_extension

(

UINT32

format

)

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winpr_image_format_is_supported()

BOOL winpr_image_format_is_supported

(

UINT32

format

)

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winpr_image_format_mime()

const char* winpr_image_format_mime

(

UINT32

format

)

winpr_image_free()

void winpr_image_free	(	wImage *	image,
		BOOL	bFreeBuffer
	)

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winpr_image_new()

wImage* winpr_image_new

(

void

)

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winpr_image_read()

int winpr_image_read	(	wImage *	image,
		const char *	filename
	)

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winpr_image_read_buffer()

int winpr_image_read_buffer	(	wImage *	image,
		const BYTE *	buffer,
		size_t	size
	)

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winpr_image_write()

int winpr_image_write	(	wImage *	image,
		const char *	filename
	)

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winpr_image_write_buffer()

void* winpr_image_write_buffer	(	wImage *	image,
		UINT32	format,
		size_t *	psize
	)

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winpr_image_write_ex()

int winpr_image_write_ex	(	wImage *	image,
		UINT32	format,
		const char *	filename
	)

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write_and_free()

static int write_and_free ( const char *  filename, void *  data, size_t  size  )

static

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writeBitmapFileHeader()

BOOL writeBitmapFileHeader	(	wStream *	s,
		const WINPR_BITMAP_FILE_HEADER *	bf
	)

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writeBitmapInfoHeader()

BOOL writeBitmapInfoHeader	(	wStream *	s,
		const WINPR_BITMAP_INFO_HEADER *	bi
	)

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