mewin/libpng
1
0
Fork 0
mirror of https://git.code.sf.net/p/libpng/code.git synced 2025-07-10 18:04:09 +02:00
Code Issues Projects Releases Wiki Activity

Imported from libpng-0.87.tar

Browse Source
This commit is contained in:
Guy Schalnat
1996-01-16 01:51:56 -06:00
committed by Glenn Randers-Pehrson
parent 69b1448f19
commit 4ee97b0891
22 changed files with 1210 additions and 863 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
pngwrite.c
View File

@@ -1,10 +1,10 @@
/* pngwrite.c - general routines to write a png file
libpng 1.0 beta 2 - version 0.86
libpng 1.0 beta 2 - version 0.87
For conditions of distribution and use, see copyright notice in png.h
Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
January 10, 1996
January 15, 1996
*/
/* get internal access to png.h */
@@ -161,12 +161,12 @@ png_write_end(png_structp png_ptr, png_infop info)
void
png_convert_from_struct_tm(png_timep ptime, struct tm FAR * ttime)
{
ptime->year = 1900 + ttime->tm_year;
ptime->month = ttime->tm_mon + 1;
ptime->day = ttime->tm_mday;
ptime->hour = ttime->tm_hour;
ptime->minute = ttime->tm_min;
ptime->second = ttime->tm_sec;
ptime->year = (png_uint_16)(1900 + ttime->tm_year);
ptime->month = (png_byte)(ttime->tm_mon + 1);
ptime->day = (png_byte)ttime->tm_mday;
ptime->hour = (png_byte)ttime->tm_hour;
ptime->minute = (png_byte)ttime->tm_min;
ptime->second = (png_byte)ttime->tm_sec;
}
void
@@ -322,8 +322,8 @@ png_write_row(png_structp png_ptr, png_bytep row)
png_ptr->row_info.width = png_ptr->usr_width;
png_ptr->row_info.channels = png_ptr->usr_channels;
png_ptr->row_info.bit_depth = png_ptr->usr_bit_depth;
png_ptr->row_info.pixel_depth = png_ptr->row_info.bit_depth *
png_ptr->row_info.channels;
png_ptr->row_info.pixel_depth = (png_byte)(png_ptr->row_info.bit_depth *
png_ptr->row_info.channels);
png_ptr->row_info.rowbytes = ((png_ptr->row_info.width *
(png_uint_32)png_ptr->row_info.pixel_depth + 7) >> 3);
@@ -421,14 +421,14 @@ png_write_row(png_structp png_ptr, png_bytep row)
#if defined(PNG_WRITE_FLUSH_SUPPORTED)
/* Set the automatic flush interval or 0 to turn flushing off */
void
png_set_flush(png_struct *png_ptr, int nrows)
png_set_flush(png_structp png_ptr, int nrows)
{
png_ptr->flush_dist = (nrows < 0 ? 0 : nrows);
}
/* flush the current output buffers now */
void
png_write_flush(png_struct *png_ptr)
png_write_flush(png_structp png_ptr)
{
int wrote_IDAT;
@@ -501,7 +501,7 @@ void
png_set_filtering(png_structp png_ptr, int filter)
{
png_ptr->do_custom_filter = 1;
png_ptr->do_filter = filter;
png_ptr->do_filter = (png_byte)filter;
}
void