50       png_warning(png_ptr,  in png_set_cHRM()
59       png_warning(png_ptr,  in png_set_cHRM()
101       png_warning(png_ptr,  in png_set_cHRM_fixed()
125       png_warning(png_ptr,  in png_set_cHRM_fixed()
165       png_warning(png_ptr, "Limiting gamma to 21474.83");  in png_set_gAMA()
176       png_warning(png_ptr, "Setting gamma=0");  in png_set_gAMA()
191      png_warning(png_ptr, "Limiting gamma to 21474.83");  in png_set_gAMA_fixed()
198        png_warning(png_ptr, "Setting negative gamma to zero");  in png_set_gAMA_fixed()
212       png_warning(png_ptr, "Setting gamma=0");  in png_set_gAMA_fixed()
228        png_warning(png_ptr,  in png_set_hIST()
242        png_warning(png_ptr, "Insufficient memory for hIST chunk data.");  in png_set_hIST()
287       png_warning(png_ptr, "Width is too large for libpng to process pixels");  in png_set_IHDR()
321       png_warning(png_ptr,"MNG features are not allowed in a PNG datastream");  in png_set_IHDR()
331         png_warning(png_ptr, "Invalid filter method in IHDR");  in png_set_IHDR()
401        png_warning(png_ptr, "Insufficient memory for pCAL purpose.");  in png_set_pCAL()
417        png_warning(png_ptr, "Insufficient memory for pCAL units.");  in png_set_pCAL()
426        png_warning(png_ptr, "Insufficient memory for pCAL params.");  in png_set_pCAL()
439           png_warning(png_ptr, "Insufficient memory for pCAL parameter.");  in png_set_pCAL()
487       png_warning(png_ptr,  in png_set_sCAL_s()
498       png_warning(png_ptr,  in png_set_sCAL_s()
543          png_warning(png_ptr, "Invalid palette length");  in png_set_PLTE()
690       png_warning(png_ptr, "Insufficient memory to process iCCP chunk.");  in png_set_iCCP()
698       png_warning(png_ptr, "Insufficient memory to process iCCP profile.");  in png_set_iCCP()
811         png_warning(png_ptr, "iTXt chunk not supported.");  in png_set_text_2()
961       png_warning(png_ptr, "No memory for sPLT palettes.");  in png_set_sPLT()
979            png_warning(png_ptr,  in png_set_sPLT()
991            png_warning(png_ptr,  in png_set_sPLT()
1025        png_warning(png_ptr,  in png_set_unknown_chunks()
1044            png_warning(png_ptr,  in png_set_unknown_chunks()