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Redirect libpng errors to the standard NetSurf logfile

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svn path=/trunk/netsurf/; revision=12471
This commit is contained in:
Chris Young 2011-06-12 18:04:09 +00:00
parent 936baddaba
commit 91427fdfdb
1 changed files with 19 additions and 0 deletions
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19
image/png.c
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@ -74,6 +74,23 @@ static unsigned int interlace_step[8] = {28, 28, 12, 12, 4, 4, 0};
static unsigned int interlace_row_start[8] = {0, 0, 4, 0, 2, 0, 1};
static unsigned int interlace_row_step[8] = {8, 8, 8, 4, 4, 2, 2};
/**
* nspng_warning -- callback for libpng warnings
*/
void nspng_warning(png_structp png_ptr, png_const_charp warning_message)
{
LOG(("%s", warning_message));
}
/**
* nspng_error -- callback for libpng errors
*/
void nspng_error(png_structp png_ptr, png_const_charp error_message)
{
LOG(("%s", error_message));
longjmp(png_ptr->jmpbuf, 1);
}
/**
* info_callback -- PNG header has been completely received, prepare to process
* image data
@ -209,6 +226,8 @@ static nserror nspng_create_png_data(nspng_content *png_c)
return NSERROR_NOMEM;
}
png_set_error_fn(png_c->png, NULL, nspng_error, nspng_warning);
png_c->info = png_create_info_struct(png_c->png);
if (png_c->info == NULL) {
png_destroy_read_struct(&png_c->png, &png_c->info, 0);