Differential D3507 Diff 21372 source/lib/tex/tex_png.cpp

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source/lib/tex/tex_png.cpp

Show First 20 Lines • Show All 265 Lines • ▼ Show 20 Lines	static void user_warning_fn(png_structp UNUSED(png_ptr), png_const_charp warning_msg)
debug_printf("libpng warning: %s\n", warning_msg);		debug_printf("libpng warning: %s\n", warning_msg);
}		}

TIMER_ADD_CLIENT(tc_png_decode);		TIMER_ADD_CLIENT(tc_png_decode);

// limitation: palette images aren't supported		// limitation: palette images aren't supported
Status TexCodecPng::decode(u8* RESTRICT data, size_t size, Tex* RESTRICT t) const		Status TexCodecPng::decode(u8* RESTRICT data, size_t size, Tex* RESTRICT t) const
{		{
TIMER_ACCRUE(tc_png_decode);		TIMER_ACCRUE(tc_png_decode);

png_infop info_ptr = 0;		png_infop info_ptr = 0;

// allocate PNG structures; use default stderr and longjmp error handler, use custom		// allocate PNG structures; use default stderr and longjmp error handler, use custom
// warning handler to filter out useless messages		// warning handler to filter out useless messages
png_structp png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, 0, 0, user_warning_fn);		png_structp png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, 0, 0, user_warning_fn);
if(!png_ptr)		if(!png_ptr)
return ERR::FAIL;		return ERR::FAIL;
Show All 16 Lines	TIMER_ACCRUE(tc_png_decode);

png_destroy_read_struct(&png_ptr, &info_ptr, 0);		png_destroy_read_struct(&png_ptr, &info_ptr, 0);

return ret;		return ret;
}		}


// limitation: palette images aren't supported		// limitation: palette images aren't supported
Status TexCodecPng::encode(Tex* RESTRICT t, DynArray* RESTRICT da) const		Status TexCodecPng::encode(Tex* RESTRICT t, DynArray* RESTRICT da, int UNUSED(quality)) const
{		{
png_infop info_ptr = 0;		png_infop info_ptr = 0;

// allocate PNG structures; use default stderr and longjmp error handlers		// allocate PNG structures; use default stderr and longjmp error handlers
png_structp png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, 0, 0, 0);		png_structp png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, 0, 0, 0);
if(!png_ptr)		if(!png_ptr)
WARN_RETURN(ERR::FAIL);		WARN_RETURN(ERR::FAIL);
info_ptr = png_create_info_struct(png_ptr);		info_ptr = png_create_info_struct(png_ptr);
Show All 19 Lines