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[libpng17] Pulled changes to multi-chunk handling from libpng-1.6.0beta40.

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This commit is contained in:
John Bowler
2013-01-21 09:11:17 -06:00
committed by Glenn Randers-Pehrson
parent 815173a0b5
commit fb6ba9acf4
10 changed files with 263 additions and 166 deletions
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22
pngget.c
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@@ -701,7 +701,7 @@ png_get_sRGB(png_const_structrp png_ptr, png_const_inforp info_ptr,
#ifdef PNG_iCCP_SUPPORTED
png_uint_32 PNGAPI
png_get_iCCP(png_const_structrp png_ptr, png_const_inforp info_ptr,
png_get_iCCP(png_const_structrp png_ptr, png_inforp info_ptr,
png_charpp name, int *compression_type,
png_bytepp profile, png_uint_32 *proflen)
{
@@ -726,14 +726,14 @@ png_get_iCCP(png_const_structrp png_ptr, png_const_inforp info_ptr,
#endif
#ifdef PNG_sPLT_SUPPORTED
png_uint_32 PNGAPI
png_get_sPLT(png_const_structrp png_ptr, png_const_inforp info_ptr,
int PNGAPI
png_get_sPLT(png_const_structrp png_ptr, png_inforp info_ptr,
png_sPLT_tpp spalettes)
{
if (png_ptr != NULL && info_ptr != NULL && spalettes != NULL)
{
*spalettes = info_ptr->splt_palettes;
return ((png_uint_32)info_ptr->splt_palettes_num);
return info_ptr->splt_palettes_num;
}
return (0);
@@ -742,7 +742,7 @@ png_get_sPLT(png_const_structrp png_ptr, png_const_inforp info_ptr,
#ifdef PNG_hIST_SUPPORTED
png_uint_32 PNGAPI
png_get_hIST(png_const_structrp png_ptr, png_const_inforp info_ptr,
png_get_hIST(png_const_structrp png_ptr, png_inforp info_ptr,
png_uint_16p *hist)
{
png_debug1(1, "in %s retrieval function", "hIST");
@@ -818,7 +818,7 @@ png_get_oFFs(png_const_structrp png_ptr, png_const_inforp info_ptr,
#ifdef PNG_pCAL_SUPPORTED
png_uint_32 PNGAPI
png_get_pCAL(png_const_structrp png_ptr, png_const_inforp info_ptr,
png_get_pCAL(png_const_structrp png_ptr, png_inforp info_ptr,
png_charp *purpose, png_int_32 *X0, png_int_32 *X1, int *type, int *nparams,
png_charp *units, png_charpp *params)
{
@@ -938,7 +938,7 @@ png_get_pHYs(png_const_structrp png_ptr, png_const_inforp info_ptr,
#endif /* pHYs */
png_uint_32 PNGAPI
png_get_PLTE(png_const_structrp png_ptr, png_const_inforp info_ptr,
png_get_PLTE(png_const_structrp png_ptr, png_inforp info_ptr,
png_colorp *palette, int *num_palette)
{
png_debug1(1, "in %s retrieval function", "PLTE");
@@ -974,8 +974,8 @@ png_get_sBIT(png_const_structrp png_ptr, png_inforp info_ptr,
#endif
#ifdef PNG_TEXT_SUPPORTED
png_uint_32 PNGAPI
png_get_text(png_const_structrp png_ptr, png_const_inforp info_ptr,
int PNGAPI
png_get_text(png_const_structrp png_ptr, png_inforp info_ptr,
png_textp *text_ptr, int *num_text)
{
if (png_ptr != NULL && info_ptr != NULL && info_ptr->num_text > 0)
@@ -989,7 +989,7 @@ png_get_text(png_const_structrp png_ptr, png_const_inforp info_ptr,
if (num_text != NULL)
*num_text = info_ptr->num_text;
return ((png_uint_32)info_ptr->num_text);
return info_ptr->num_text;
}
if (num_text != NULL)
@@ -1064,7 +1064,7 @@ png_get_tRNS(png_const_structrp png_ptr, png_inforp info_ptr,
#ifdef PNG_STORE_UNKNOWN_CHUNKS_SUPPORTED
int PNGAPI
png_get_unknown_chunks(png_const_structrp png_ptr, png_const_inforp info_ptr,
png_get_unknown_chunks(png_const_structrp png_ptr, png_inforp info_ptr,
png_unknown_chunkpp unknowns)
{
if (png_ptr != NULL && info_ptr != NULL && unknowns != NULL)