#ifdef PNG_WRITE_iTXt_SUPPORTED /* Write an iTXt chunk */ void /* PRIVATE */ png_write_iTXt(png_structrp png_ptr, int compression, png_const_charp key, png_const_charp lang, png_const_charp lang_key, png_const_
We read every piece of feedback, and take your input very seriously. Include my email address so I can be contacted Cancel Submit feedback Saved searches Use saved searches to filter your results more quickly Cancel Create saved search Sign in Sign up Reseting focus {...
therein. Starting with libpng-1.6.26, this also governs how an ADLER32 error is handled while reading the IDAT chunk. Note that it is impossible to "discard" data in a critical chunk. Choices for (int) crit_action are PNG_CRC_DEFAULT 0 error/quit ...
library is built with iTXt chunk support. Prior to libpng-1.4.0 the library was built by default without iTXt support. Also note that when iTXt is supported, they contain NULL pointers when the "compression" field contains PNG_TEXT_COMPRESSION_NONE or PNG_TEXT_COMPRESSION_zTXt. num...
chunk data: */png_byte name[5];png_byte *data;png_size_t size;/* Note that libpng has already taken care ofthe CRC handling *//* put your code here. Return one of thefollowing: */return (-n); /* chunk had an error */
We read every piece of feedback, and take your input very seriously. Include my email address so I can be contacted Cancel Submit feedback Saved searches Use saved searches to filter your results more quickly Cancel Create saved search Sign in Sign up Reseting focus {...
We read every piece of feedback, and take your input very seriously. Include my email address so I can be contacted Cancel Submit feedback Saved searches Use saved searches to filter your results more quickly Cancel Create saved search Sign in Sign up Reseting focus {...
png_error(png_ptr, "length exceeds PNG maximum"); png_write_chunk_header(png_ptr, chunk_name, (png_uint_32)length); png_write_chunk_data(png_ptr, data, length); png_write_chunk_end(png_ptr); } /* This is the API that calls the internal function above. */ void PNGAPI...
While libpng will not * normally need that much memory in a chunk (unless you load up a very * large file), zlib needs to know how big of a chunk it can use, and * libpng thus makes sure to check any memory allocation to verify it * will fit into memory....
* PNG file before the first IDAT (image data chunk). REQUIRED. */ png_read_info(png_ptr, info_ptr);png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, &interlace_type, NULL, NULL);/* Set up the data transformations you want. Note that these are all ...