* Copyright (C) 1991-1998, Thomas G. Lane.
* Modified 2002-2009 by Guido Vollbeding.
* libjpeg-turbo Modifications:
- * Copyright (C) 2009-2011, 2013-2014, 2016, D. R. Commander.
+ * Copyright (C) 2009-2011, 2013-2014, 2016-2017, D. R. Commander.
* Copyright (C) 2015, Google, Inc.
* For conditions of distribution and use, see the accompanying README.ijg
* file.
#endif
#endif
+
/* Various constants determining the sizes of things.
* All of these are specified by the JPEG standard, so don't change them
* if you want to be compatible.
/* Known color spaces. */
-#define JCS_EXTENSIONS 1
-#define JCS_ALPHA_EXTENSIONS 1
+#define JCS_EXTENSIONS 1
+#define JCS_ALPHA_EXTENSIONS 1
typedef enum {
JCS_UNKNOWN, /* error/unspecified */
/* Common fields between JPEG compression and decompression master structs. */
#define jpeg_common_fields \
- struct jpeg_error_mgr *err; /* Error handler module */\
- struct jpeg_memory_mgr *mem; /* Memory manager module */\
- struct jpeg_progress_mgr *progress; /* Progress monitor, or NULL if none */\
- void *client_data; /* Available for use by application */\
- boolean is_decompressor; /* So common code can tell which is which */\
+ struct jpeg_error_mgr *err; /* Error handler module */ \
+ struct jpeg_memory_mgr *mem; /* Memory manager module */ \
+ struct jpeg_progress_mgr *progress; /* Progress monitor, or NULL if none */ \
+ void *client_data; /* Available for use by application */ \
+ boolean is_decompressor; /* So common code can tell which is which */ \
int global_state /* For checking call sequence validity */
/* Routines that are to be used by both halves of the library are declared
unsigned int scale_num, scale_denom; /* fraction by which to scale image */
-#if COLOR_PICKER_ENABLE == 1
+#ifdef COLOR_PICKER_ENABLE
unsigned int region_x, region_y, region_w, region_h; /* if region_w && region_h > 0, then use this region to decode. scale above is done prior to region select */
#endif
struct jpeg_color_deconverter *cconvert;
struct jpeg_color_quantizer *cquantize;
-#if COLOR_PICKER_ENABLE == 1
+#ifdef COLOR_PICKER_ENABLE
struct _Pick_Color_ *pick_color_data;
#endif
};
* successful.
*/
-#define JPOOL_PERMANENT 0 /* lasts until master record is destroyed */
-#define JPOOL_IMAGE 1 /* lasts until done with image/datastream */
-#define JPOOL_NUMPOOLS 2
+#define JPOOL_PERMANENT 0 /* lasts until master record is destroyed */
+#define JPOOL_IMAGE 1 /* lasts until done with image/datastream */
+#define JPOOL_NUMPOOLS 2
typedef struct jvirt_sarray_control *jvirt_sarray_ptr;
typedef struct jvirt_barray_control *jvirt_barray_ptr;
/* Default error-management setup */
-EXTERN(struct jpeg_error_mgr *) jpeg_std_error (struct jpeg_error_mgr *err);
+EXTERN(struct jpeg_error_mgr *) jpeg_std_error(struct jpeg_error_mgr *err);
/* Initialization of JPEG compression objects.
* jpeg_create_compress() and jpeg_create_decompress() are the exported
* NB: you must set up the error-manager BEFORE calling jpeg_create_xxx.
*/
#define jpeg_create_compress(cinfo) \
- jpeg_CreateCompress((cinfo), JPEG_LIB_VERSION, \
- (size_t) sizeof(struct jpeg_compress_struct))
+ jpeg_CreateCompress((cinfo), JPEG_LIB_VERSION, \
+ (size_t)sizeof(struct jpeg_compress_struct))
#define jpeg_create_decompress(cinfo) \
- jpeg_CreateDecompress((cinfo), JPEG_LIB_VERSION, \
- (size_t) sizeof(struct jpeg_decompress_struct))
-EXTERN(void) jpeg_CreateCompress (j_compress_ptr cinfo, int version,
- size_t structsize);
-EXTERN(void) jpeg_CreateDecompress (j_decompress_ptr cinfo, int version,
- size_t structsize);
+ jpeg_CreateDecompress((cinfo), JPEG_LIB_VERSION, \
+ (size_t)sizeof(struct jpeg_decompress_struct))
+EXTERN(void) jpeg_CreateCompress(j_compress_ptr cinfo, int version,
+ size_t structsize);
+EXTERN(void) jpeg_CreateDecompress(j_decompress_ptr cinfo, int version,
+ size_t structsize);
/* Destruction of JPEG compression objects */
-EXTERN(void) jpeg_destroy_compress (j_compress_ptr cinfo);
-EXTERN(void) jpeg_destroy_decompress (j_decompress_ptr cinfo);
+EXTERN(void) jpeg_destroy_compress(j_compress_ptr cinfo);
+EXTERN(void) jpeg_destroy_decompress(j_decompress_ptr cinfo);
/* Standard data source and destination managers: stdio streams. */
/* Caller is responsible for opening the file before and closing after. */
-EXTERN(void) jpeg_stdio_dest (j_compress_ptr cinfo, FILE *outfile);
-EXTERN(void) jpeg_stdio_src (j_decompress_ptr cinfo, FILE *infile);
+EXTERN(void) jpeg_stdio_dest(j_compress_ptr cinfo, FILE *outfile);
+EXTERN(void) jpeg_stdio_src(j_decompress_ptr cinfo, FILE *infile);
#if JPEG_LIB_VERSION >= 80 || defined(MEM_SRCDST_SUPPORTED)
/* Data source and destination managers: memory buffers. */
-EXTERN(void) jpeg_mem_dest (j_compress_ptr cinfo, unsigned char **outbuffer,
- unsigned long *outsize);
-EXTERN(void) jpeg_mem_src (j_decompress_ptr cinfo,
- const unsigned char *inbuffer,
- unsigned long insize);
+EXTERN(void) jpeg_mem_dest(j_compress_ptr cinfo, unsigned char **outbuffer,
+ unsigned long *outsize);
+EXTERN(void) jpeg_mem_src(j_decompress_ptr cinfo,
+ const unsigned char *inbuffer, unsigned long insize);
#endif
/* Default parameter setup for compression */
-EXTERN(void) jpeg_set_defaults (j_compress_ptr cinfo);
+EXTERN(void) jpeg_set_defaults(j_compress_ptr cinfo);
/* Compression parameter setup aids */
-EXTERN(void) jpeg_set_colorspace (j_compress_ptr cinfo,
- J_COLOR_SPACE colorspace);
-EXTERN(void) jpeg_default_colorspace (j_compress_ptr cinfo);
-EXTERN(void) jpeg_set_quality (j_compress_ptr cinfo, int quality,
- boolean force_baseline);
-EXTERN(void) jpeg_set_linear_quality (j_compress_ptr cinfo, int scale_factor,
- boolean force_baseline);
+EXTERN(void) jpeg_set_colorspace(j_compress_ptr cinfo,
+ J_COLOR_SPACE colorspace);
+EXTERN(void) jpeg_default_colorspace(j_compress_ptr cinfo);
+EXTERN(void) jpeg_set_quality(j_compress_ptr cinfo, int quality,
+ boolean force_baseline);
+EXTERN(void) jpeg_set_linear_quality(j_compress_ptr cinfo, int scale_factor,
+ boolean force_baseline);
#if JPEG_LIB_VERSION >= 70
-EXTERN(void) jpeg_default_qtables (j_compress_ptr cinfo,
- boolean force_baseline);
+EXTERN(void) jpeg_default_qtables(j_compress_ptr cinfo,
+ boolean force_baseline);
#endif
-EXTERN(void) jpeg_add_quant_table (j_compress_ptr cinfo, int which_tbl,
- const unsigned int *basic_table,
- int scale_factor, boolean force_baseline);
-EXTERN(int) jpeg_quality_scaling (int quality);
-EXTERN(void) jpeg_simple_progression (j_compress_ptr cinfo);
-EXTERN(void) jpeg_suppress_tables (j_compress_ptr cinfo, boolean suppress);
-EXTERN(JQUANT_TBL *) jpeg_alloc_quant_table (j_common_ptr cinfo);
-EXTERN(JHUFF_TBL *) jpeg_alloc_huff_table (j_common_ptr cinfo);
+EXTERN(void) jpeg_add_quant_table(j_compress_ptr cinfo, int which_tbl,
+ const unsigned int *basic_table,
+ int scale_factor, boolean force_baseline);
+EXTERN(int) jpeg_quality_scaling(int quality);
+EXTERN(void) jpeg_simple_progression(j_compress_ptr cinfo);
+EXTERN(void) jpeg_suppress_tables(j_compress_ptr cinfo, boolean suppress);
+EXTERN(JQUANT_TBL *) jpeg_alloc_quant_table(j_common_ptr cinfo);
+EXTERN(JHUFF_TBL *) jpeg_alloc_huff_table(j_common_ptr cinfo);
/* Main entry points for compression */
-EXTERN(void) jpeg_start_compress (j_compress_ptr cinfo,
- boolean write_all_tables);
-EXTERN(JDIMENSION) jpeg_write_scanlines (j_compress_ptr cinfo,
- JSAMPARRAY scanlines,
- JDIMENSION num_lines);
-EXTERN(void) jpeg_finish_compress (j_compress_ptr cinfo);
+EXTERN(void) jpeg_start_compress(j_compress_ptr cinfo,
+ boolean write_all_tables);
+EXTERN(JDIMENSION) jpeg_write_scanlines(j_compress_ptr cinfo,
+ JSAMPARRAY scanlines,
+ JDIMENSION num_lines);
+EXTERN(void) jpeg_finish_compress(j_compress_ptr cinfo);
#if JPEG_LIB_VERSION >= 70
/* Precalculate JPEG dimensions for current compression parameters. */
-EXTERN(void) jpeg_calc_jpeg_dimensions (j_compress_ptr cinfo);
+EXTERN(void) jpeg_calc_jpeg_dimensions(j_compress_ptr cinfo);
#endif
/* Replaces jpeg_write_scanlines when writing raw downsampled data. */
-EXTERN(JDIMENSION) jpeg_write_raw_data (j_compress_ptr cinfo, JSAMPIMAGE data,
- JDIMENSION num_lines);
+EXTERN(JDIMENSION) jpeg_write_raw_data(j_compress_ptr cinfo, JSAMPIMAGE data,
+ JDIMENSION num_lines);
/* Write a special marker. See libjpeg.txt concerning safe usage. */
-EXTERN(void) jpeg_write_marker (j_compress_ptr cinfo, int marker,
- const JOCTET *dataptr, unsigned int datalen);
+EXTERN(void) jpeg_write_marker(j_compress_ptr cinfo, int marker,
+ const JOCTET *dataptr, unsigned int datalen);
/* Same, but piecemeal. */
-EXTERN(void) jpeg_write_m_header (j_compress_ptr cinfo, int marker,
- unsigned int datalen);
-EXTERN(void) jpeg_write_m_byte (j_compress_ptr cinfo, int val);
+EXTERN(void) jpeg_write_m_header(j_compress_ptr cinfo, int marker,
+ unsigned int datalen);
+EXTERN(void) jpeg_write_m_byte(j_compress_ptr cinfo, int val);
/* Alternate compression function: just write an abbreviated table file */
-EXTERN(void) jpeg_write_tables (j_compress_ptr cinfo);
+EXTERN(void) jpeg_write_tables(j_compress_ptr cinfo);
+
+/* Write ICC profile. See libjpeg.txt for usage information. */
+EXTERN(void) jpeg_write_icc_profile(j_compress_ptr cinfo,
+ const JOCTET *icc_data_ptr,
+ unsigned int icc_data_len);
+
/* Decompression startup: read start of JPEG datastream to see what's there */
-EXTERN(int) jpeg_read_header (j_decompress_ptr cinfo, boolean require_image);
+EXTERN(int) jpeg_read_header(j_decompress_ptr cinfo, boolean require_image);
/* Return value is one of: */
-#define JPEG_SUSPENDED 0 /* Suspended due to lack of input data */
-#define JPEG_HEADER_OK 1 /* Found valid image datastream */
-#define JPEG_HEADER_TABLES_ONLY 2 /* Found valid table-specs-only datastream */
+#define JPEG_SUSPENDED 0 /* Suspended due to lack of input data */
+#define JPEG_HEADER_OK 1 /* Found valid image datastream */
+#define JPEG_HEADER_TABLES_ONLY 2 /* Found valid table-specs-only datastream */
/* If you pass require_image = TRUE (normal case), you need not check for
* a TABLES_ONLY return code; an abbreviated file will cause an error exit.
* JPEG_SUSPENDED is only possible if you use a data source module that can
*/
/* Main entry points for decompression */
-EXTERN(boolean) jpeg_start_decompress (j_decompress_ptr cinfo);
-EXTERN(JDIMENSION) jpeg_read_scanlines (j_decompress_ptr cinfo,
- JSAMPARRAY scanlines,
- JDIMENSION max_lines);
-EXTERN(JDIMENSION) jpeg_skip_scanlines (j_decompress_ptr cinfo,
- JDIMENSION num_lines);
-EXTERN(void) jpeg_crop_scanline (j_decompress_ptr cinfo, JDIMENSION *xoffset,
- JDIMENSION *width);
-EXTERN(boolean) jpeg_finish_decompress (j_decompress_ptr cinfo);
+EXTERN(boolean) jpeg_start_decompress(j_decompress_ptr cinfo);
+EXTERN(JDIMENSION) jpeg_read_scanlines(j_decompress_ptr cinfo,
+ JSAMPARRAY scanlines,
+ JDIMENSION max_lines);
+EXTERN(JDIMENSION) jpeg_skip_scanlines(j_decompress_ptr cinfo,
+ JDIMENSION num_lines);
+EXTERN(void) jpeg_crop_scanline(j_decompress_ptr cinfo, JDIMENSION *xoffset,
+ JDIMENSION *width);
+EXTERN(boolean) jpeg_finish_decompress(j_decompress_ptr cinfo);
/* Replaces jpeg_read_scanlines when reading raw downsampled data. */
-EXTERN(JDIMENSION) jpeg_read_raw_data (j_decompress_ptr cinfo, JSAMPIMAGE data,
- JDIMENSION max_lines);
+EXTERN(JDIMENSION) jpeg_read_raw_data(j_decompress_ptr cinfo, JSAMPIMAGE data,
+ JDIMENSION max_lines);
/* Additional entry points for buffered-image mode. */
-EXTERN(boolean) jpeg_has_multiple_scans (j_decompress_ptr cinfo);
-EXTERN(boolean) jpeg_start_output (j_decompress_ptr cinfo, int scan_number);
-EXTERN(boolean) jpeg_finish_output (j_decompress_ptr cinfo);
-EXTERN(boolean) jpeg_input_complete (j_decompress_ptr cinfo);
-EXTERN(void) jpeg_new_colormap (j_decompress_ptr cinfo);
-EXTERN(int) jpeg_consume_input (j_decompress_ptr cinfo);
+EXTERN(boolean) jpeg_has_multiple_scans(j_decompress_ptr cinfo);
+EXTERN(boolean) jpeg_start_output(j_decompress_ptr cinfo, int scan_number);
+EXTERN(boolean) jpeg_finish_output(j_decompress_ptr cinfo);
+EXTERN(boolean) jpeg_input_complete(j_decompress_ptr cinfo);
+EXTERN(void) jpeg_new_colormap(j_decompress_ptr cinfo);
+EXTERN(int) jpeg_consume_input(j_decompress_ptr cinfo);
/* Return value is one of: */
/* #define JPEG_SUSPENDED 0 Suspended due to lack of input data */
#define JPEG_REACHED_SOS 1 /* Reached start of new scan */
/* Precalculate output dimensions for current decompression parameters. */
#if JPEG_LIB_VERSION >= 80
-EXTERN(void) jpeg_core_output_dimensions (j_decompress_ptr cinfo);
+EXTERN(void) jpeg_core_output_dimensions(j_decompress_ptr cinfo);
#endif
-EXTERN(void) jpeg_calc_output_dimensions (j_decompress_ptr cinfo);
+EXTERN(void) jpeg_calc_output_dimensions(j_decompress_ptr cinfo);
/* Control saving of COM and APPn markers into marker_list. */
-EXTERN(void) jpeg_save_markers (j_decompress_ptr cinfo, int marker_code,
- unsigned int length_limit);
+EXTERN(void) jpeg_save_markers(j_decompress_ptr cinfo, int marker_code,
+ unsigned int length_limit);
/* Install a special processing method for COM or APPn markers. */
-EXTERN(void) jpeg_set_marker_processor (j_decompress_ptr cinfo,
- int marker_code,
- jpeg_marker_parser_method routine);
+EXTERN(void) jpeg_set_marker_processor(j_decompress_ptr cinfo,
+ int marker_code,
+ jpeg_marker_parser_method routine);
/* Read or write raw DCT coefficients --- useful for lossless transcoding. */
-EXTERN(jvirt_barray_ptr *) jpeg_read_coefficients (j_decompress_ptr cinfo);
-EXTERN(void) jpeg_write_coefficients (j_compress_ptr cinfo,
- jvirt_barray_ptr *coef_arrays);
-EXTERN(void) jpeg_copy_critical_parameters (j_decompress_ptr srcinfo,
- j_compress_ptr dstinfo);
+EXTERN(jvirt_barray_ptr *) jpeg_read_coefficients(j_decompress_ptr cinfo);
+EXTERN(void) jpeg_write_coefficients(j_compress_ptr cinfo,
+ jvirt_barray_ptr *coef_arrays);
+EXTERN(void) jpeg_copy_critical_parameters(j_decompress_ptr srcinfo,
+ j_compress_ptr dstinfo);
/* If you choose to abort compression or decompression before completing
* jpeg_finish_(de)compress, then you need to clean up to release memory,
* if you're done with the JPEG object, but if you want to clean it up and
* reuse it, call this:
*/
-EXTERN(void) jpeg_abort_compress (j_compress_ptr cinfo);
-EXTERN(void) jpeg_abort_decompress (j_decompress_ptr cinfo);
+EXTERN(void) jpeg_abort_compress(j_compress_ptr cinfo);
+EXTERN(void) jpeg_abort_decompress(j_decompress_ptr cinfo);
/* Generic versions of jpeg_abort and jpeg_destroy that work on either
* flavor of JPEG object. These may be more convenient in some places.
*/
-EXTERN(void) jpeg_abort (j_common_ptr cinfo);
-EXTERN(void) jpeg_destroy (j_common_ptr cinfo);
+EXTERN(void) jpeg_abort(j_common_ptr cinfo);
+EXTERN(void) jpeg_destroy(j_common_ptr cinfo);
/* Default restart-marker-resync procedure for use by data source modules */
-EXTERN(boolean) jpeg_resync_to_restart (j_decompress_ptr cinfo, int desired);
+EXTERN(boolean) jpeg_resync_to_restart(j_decompress_ptr cinfo, int desired);
+
+/* Read ICC profile. See libjpeg.txt for usage information. */
+EXTERN(boolean) jpeg_read_icc_profile(j_decompress_ptr cinfo,
+ JOCTET **icc_data_ptr,
+ unsigned int *icc_data_len);
/* These marker codes are exported since applications and data source modules
projects / platform / upstream / libjpeg-turbo.git / blobdiff