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jcsample.c File Reference
#include "jinclude.h"
#include "jpeglib.h"

Go to the source code of this file.

Classes

struct  my_downsampler
 

Macros

#define JPEG_INTERNALS
 

Typedefs

typedef my_downsamplermy_downsample_ptr
 

Functions

typedef JMETHOD (void, downsample1_ptr,(j_compress_ptr cinfo, jpeg_component_info *compptr, JSAMPARRAY input_data, JSAMPARRAY output_data))
 
METHODDEF void start_pass_downsample (j_compress_ptr cinfo)
 
LOCAL void expand_right_edge (JSAMPARRAY image_data, int num_rows, JDIMENSION input_cols, JDIMENSION output_cols)
 
METHODDEF void sep_downsample (j_compress_ptr cinfo, JSAMPIMAGE input_buf, JDIMENSION in_row_index, JSAMPIMAGE output_buf, JDIMENSION out_row_group_index)
 
METHODDEF void int_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr, JSAMPARRAY input_data, JSAMPARRAY output_data)
 
METHODDEF void fullsize_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr, JSAMPARRAY input_data, JSAMPARRAY output_data)
 
METHODDEF void h2v1_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr, JSAMPARRAY input_data, JSAMPARRAY output_data)
 
METHODDEF void h2v2_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr, JSAMPARRAY input_data, JSAMPARRAY output_data)
 
METHODDEF void h2v2_smooth_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr, JSAMPARRAY input_data, JSAMPARRAY output_data)
 
METHODDEF void fullsize_smooth_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr, JSAMPARRAY input_data, JSAMPARRAY output_data)
 
GLOBAL void jinit_downsampler (j_compress_ptr cinfo)
 

Macro Definition Documentation

#define JPEG_INTERNALS

Definition at line 48 of file jcsample.c.

Typedef Documentation

Definition at line 67 of file jcsample.c.

Function Documentation

LOCAL void expand_right_edge ( JSAMPARRAY  image_data,
int  num_rows,
JDIMENSION  input_cols,
JDIMENSION  output_cols 
)

Definition at line 87 of file jcsample.c.

METHODDEF void fullsize_downsample ( j_compress_ptr  cinfo,
jpeg_component_info compptr,
JSAMPARRAY  input_data,
JSAMPARRAY  output_data 
)

Definition at line 187 of file jcsample.c.

METHODDEF void fullsize_smooth_downsample ( j_compress_ptr  cinfo,
jpeg_component_info compptr,
JSAMPARRAY  input_data,
JSAMPARRAY  output_data 
)

Definition at line 392 of file jcsample.c.

METHODDEF void h2v1_downsample ( j_compress_ptr  cinfo,
jpeg_component_info compptr,
JSAMPARRAY  input_data,
JSAMPARRAY  output_data 
)

Definition at line 212 of file jcsample.c.

METHODDEF void h2v2_downsample ( j_compress_ptr  cinfo,
jpeg_component_info compptr,
JSAMPARRAY  input_data,
JSAMPARRAY  output_data 
)

Definition at line 249 of file jcsample.c.

METHODDEF void h2v2_smooth_downsample ( j_compress_ptr  cinfo,
jpeg_component_info compptr,
JSAMPARRAY  input_data,
JSAMPARRAY  output_data 
)

Definition at line 292 of file jcsample.c.

METHODDEF void int_downsample ( j_compress_ptr  cinfo,
jpeg_component_info compptr,
JSAMPARRAY  input_data,
JSAMPARRAY  output_data 
)

Definition at line 140 of file jcsample.c.

GLOBAL void jinit_downsampler ( j_compress_ptr  cinfo)

Definition at line 464 of file jcsample.c.

typedef JMETHOD ( void  ,
downsample1_ptr  ,
(j_compress_ptr cinfo, jpeg_component_info *compptr, JSAMPARRAY input_data, JSAMPARRAY output_data)   
)
METHODDEF void sep_downsample ( j_compress_ptr  cinfo,
JSAMPIMAGE  input_buf,
JDIMENSION  in_row_index,
JSAMPIMAGE  output_buf,
JDIMENSION  out_row_group_index 
)

Definition at line 114 of file jcsample.c.

METHODDEF void start_pass_downsample ( j_compress_ptr  cinfo)

Definition at line 75 of file jcsample.c.