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Minor fixes to libpng to support the 1.5.x series (previously deprecated things that were removed/renamed)

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git-svn-id: https://svn.code.sf.net/p/fteqw/code/branches/wip@3798 fc73d0e0-1445-4013-8a0c-d673dee63da5
This commit is contained in:
Lance 2011-05-28 13:43:11 +00:00
parent ccc0750de0
commit d66ee38d9f
1 changed files with 15 additions and 8 deletions
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23
engine/client/image.c
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@ -568,8 +568,7 @@ return NULL;
#define PNG_ALLOCATED
#endif
void (PNGAPI *qpng_error) PNGARG((png_structp png_ptr, png_const_charp error_message)) PNG_NORETURN PSTATIC(png_error);
void (PNGAPI *qpng_error) PNGARG((png_structp png_ptr, png_const_charp error_message)) PSTATIC(png_error);
void (PNGAPI *qpng_read_end) PNGARG((png_structp png_ptr, png_infop info_ptr)) PSTATIC(png_read_end);
void (PNGAPI *qpng_read_image) PNGARG((png_structp png_ptr, png_bytepp image)) PSTATIC(png_read_image);
png_byte (PNGAPI *qpng_get_bit_depth) PNGARG((png_structp png_ptr, png_infop info_ptr)) PSTATIC(png_get_bit_depth);
@ -590,8 +589,8 @@ void (PNGAPI *qpng_read_info) PNGARG((png_structp png_ptr, png_infop info_ptr))
void (PNGAPI *qpng_set_sig_bytes) PNGARG((png_structp png_ptr, int num_bytes)) PSTATIC(png_set_sig_bytes);
void (PNGAPI *qpng_set_read_fn) PNGARG((png_structp png_ptr, png_voidp io_ptr, png_rw_ptr read_data_fn)) PSTATIC(png_set_read_fn);
void (PNGAPI *qpng_destroy_read_struct) PNGARG((png_structpp png_ptr_ptr, png_infopp info_ptr_ptr, png_infopp end_info_ptr_ptr)) PSTATIC(png_destroy_read_struct);
png_infop (PNGAPI *qpng_create_info_struct) PNGARG((png_structp png_ptr)) PNG_ALLOCATED PSTATIC(png_create_info_struct);
png_structp (PNGAPI *qpng_create_read_struct) PNGARG((png_const_charp user_png_ver, png_voidp error_ptr, png_error_ptr error_fn, png_error_ptr warn_fn)) PNG_ALLOCATED PSTATIC(png_create_read_struct);
png_infop (PNGAPI *qpng_create_info_struct) PNGARG((png_structp png_ptr)) PSTATIC(png_create_info_struct);
png_structp (PNGAPI *qpng_create_read_struct) PNGARG((png_const_charp user_png_ver, png_voidp error_ptr, png_error_ptr error_fn, png_error_ptr warn_fn)) PSTATIC(png_create_read_struct);
int (PNGAPI *qpng_sig_cmp) PNGARG((png_bytep sig, png_size_t start, png_size_t num_to_check)) PSTATIC(png_sig_cmp);
void (PNGAPI *qpng_write_end) PNGARG((png_structp png_ptr, png_infop info_ptr)) PSTATIC(png_write_end);
@ -602,7 +601,7 @@ void (PNGAPI *qpng_set_IHDR) PNGARG((png_structp png_ptr, png_infop info_ptr, pn
void (PNGAPI *qpng_set_compression_level) PNGARG((png_structp png_ptr, int level)) PSTATIC(png_set_compression_level);
void (PNGAPI *qpng_init_io) PNGARG((png_structp png_ptr, png_FILE_p fp)) PSTATIC(png_init_io);
void (PNGAPI *qpng_destroy_write_struct) PNGARG((png_structpp png_ptr_ptr, png_infopp info_ptr_ptr)) PSTATIC(png_destroy_write_struct);
png_structp (PNGAPI *qpng_create_write_struct) PNGARG((png_const_charp user_png_ver, png_voidp error_ptr, png_error_ptr error_fn, png_error_ptr warn_fn)) PNG_ALLOCATED PSTATIC(png_create_write_struct);
png_structp (PNGAPI *qpng_create_write_struct) PNGARG((png_const_charp user_png_ver, png_voidp error_ptr, png_error_ptr error_fn, png_error_ptr warn_fn)) PSTATIC(png_create_write_struct);
qboolean LibPNG_Init(void)
{
@ -670,7 +669,7 @@ void PNGAPI png_default_read_data(png_structp png_ptr, png_bytep data, png_size_
void VARGS readpngdata(png_structp png_ptr,png_bytep data,png_size_t len)
{
pngreadinfo_t *ri = (pngreadinfo_t*)png_ptr->io_ptr;
pngreadinfo_t *ri = (pngreadinfo_t*)png_get_io_ptr(png_ptr);
if (ri->readposition+len > ri->filelen)
{
qpng_error(png_ptr, "unexpected eof");
@ -709,7 +708,7 @@ qbyte *ReadPNGFile(qbyte *buf, int length, int *width, int *height, const char *
return (png_rgba = NULL);
}
if (setjmp(png->jmpbuf))
if (setjmp(png_jmpbuf(png)))
{
error:
if (data)
@ -829,7 +828,7 @@ int Image_WritePNG (char *filename, int compression, qbyte *pixels, int width, i
return false;
}
if (setjmp(png_ptr->jmpbuf))
if (setjmp(png_jmpbuf(png_ptr)))
{
qpng_destroy_write_struct(&png_ptr, &info_ptr);
fclose(fp);
@ -838,6 +837,14 @@ int Image_WritePNG (char *filename, int compression, qbyte *pixels, int width, i
qpng_init_io(png_ptr, fp);
compression = bound(0, compression, 100);
// had to add these when I migrated from libpng 1.4.x to 1.5.x
#ifndef Z_NO_COMPRESSION
#define Z_NO_COMPRESSION 0
#endif
#ifndef Z_BEST_COMPRESSION
#define Z_BEST_COMPRESSION 9
#endif
qpng_set_compression_level(png_ptr, Z_NO_COMPRESSION + (compression*(Z_BEST_COMPRESSION-Z_NO_COMPRESSION))/100);
qpng_set_IHDR(png_ptr, info_ptr, width, height, 8, PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);