Re: [Boost-users] [boost-users][GIL] Colors broken after moving to New IO

Subject: Re: [Boost-users] [boost-users][GIL] Colors broken after moving to New IO
From: Szymon Gatner (szymon.gatner_at_[hidden])
Date: 2011-04-27 10:37:16

Hey Christian,

2011/4/27 Christian Henning <chhenning_at_[hidden]>:
> Hi Szymon,
>
>>
>> #include <fstream>
>> #include <boost/foreach.hpp>
>> #include <boost/gil/extension/io_new/png_read.hpp>
>>
>> using namespace boost;
>>
>> int main()
>> {
>>  gil::rgba8_image_t img;
>>
>>  gil::read_image("test.png", img, gil::png_tag());
>>
>>  std::ofstream os("dump.txt");
>>
>>  int size = sizeof(gil::rgba8_pixel_t);
>>
>>  BOOST_FOREACH(const gil::rgba8_pixel_t& pix,
>> std::make_pair(img._view.begin(), img._view.end()))
>>  {
>>    os << (int) pix[0] << " " << (int) pix[1] << " " << (int) pix[2]
>> << " " << (int) pix[3] << "\n";
>>  }
>> }
>>
>> that code produces different text files when built in debug and
>> release modes and observed text
>> file difference is exactly what I also experience on the screen. For example:
>
> I have tried your code and cannot recreate your problem. Both dump.txt
> files have exactly the same data inside. What compiler do you use and
> what architecture do you work on?
>

Visual C++ 2008 SP1, Win7 x64 building app as 32 bit.

Using libpng 1.2.44 as I was not able to build with 1.5 branch.