mirror of
https://bitbucket.org/CPMADevs/cnq3
synced 2024-12-14 22:31:42 +00:00
fc9465caab
aside from the speed improvements, this also makes for nicer code in the renderer interaction with libjpeg, thanks to mem_dest support etc
28 lines
747 B
C
28 lines
747 B
C
/*
|
|
* jcsample.h
|
|
*
|
|
* This file was part of the Independent JPEG Group's software:
|
|
* Copyright (C) 1991-1996, Thomas G. Lane.
|
|
* For conditions of distribution and use, see the accompanying README.ijg
|
|
* file.
|
|
*/
|
|
|
|
LOCAL(void)
|
|
expand_right_edge (JSAMPARRAY image_data, int num_rows,
|
|
JDIMENSION input_cols, JDIMENSION output_cols)
|
|
{
|
|
register JSAMPROW ptr;
|
|
register JSAMPLE pixval;
|
|
register int count;
|
|
int row;
|
|
int numcols = (int) (output_cols - input_cols);
|
|
|
|
if (numcols > 0) {
|
|
for (row = 0; row < num_rows; row++) {
|
|
ptr = image_data[row] + input_cols;
|
|
pixval = ptr[-1]; /* don't need GETJSAMPLE() here */
|
|
for (count = numcols; count > 0; count--)
|
|
*ptr++ = pixval;
|
|
}
|
|
}
|
|
}
|