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display png error when we cannot read a png

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This commit is contained in:
Dane Springmeyer 2013-07-14 16:32:32 -04:00
parent 0b58eea131
commit 09aad15eb2
1 changed files with 1 additions and 1 deletions
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2
src/png_reader.cpp
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@ -98,7 +98,7 @@ const bool registered2 = register_image_reader("png", create_png_reader2);
void user_error_fn(png_structp png_ptr, png_const_charp error_msg)
{
throw image_reader_exception("failed to read invalid png");
throw image_reader_exception(std::string("failed to read invalid png: '") + error_msg);
}
void user_warning_fn(png_structp png_ptr, png_const_charp warning_msg)