The png_save_int_32 function assumes integers are stored in two's * complement format. If this isn't the case, then this routine needs to * be modi

Combines the row recently read in with the existing pixels in the row. This * routine takes care of alpha and transparency if requested. This routi

NON_MATCHING | 6804 meh, it's a mess i'm lazy

========================================================================= */

Compress whatever is at avail_in and next_in and write to the output file. Return -1 if there is an error writing to the output file, otherwise 0.

Build a set of tables to decode the provided canonical Huffman code. The code lengths are lens[0..codes-1]. The result starts at *table, whose

Write the start of a PNG chunk. The type is the chunk type. * The total_length is the sum of the lengths of all the data you will be * passing in p

Ensure that png_ptr->zstream.msg holds some appropriate error message string. * If it doesn't 'ret' is used to set it to something appropriate, even

Finish a chunk started with png_write_chunk_header(). */

Internal use only. Called when finished processing a row of data. */

NON_MATCHING | Score: 995 (Lower is better) There is smth with the "newArea" variable that's causing the score to be so high. In IDA and Ghidra, it se

Calculate the CRC over a section of data. We can only pass as * much data to this routine as the largest single buffer size. We * also check that

This does the right thing based on the bit_depth field of the * png_struct, interpreting values as 8-bit or 16-bit. While the result * is nominally

Manage the read buffer; this simply reallocates the buffer if it is not small * enough (or if it is not allocated). The routine returns a pointer to

Place a 32-bit number into a buffer in PNG byte order. We work * with unsigned numbers for convenience, although one supported * ancillary chunk us

========================================================================= */

=========================================================================== * Fill the window when the lookahead becomes insufficient. * Updates str

========================================================================= * Flush as much pending output as possible. All deflate() output goes * th

Compress len zeros to output. Return -1 on error, 0 on success. */

Check that the tEXt or zTXt keyword is valid per PNG 1.0 specification, * and if invalid, correct the keyword rather than discarding the entire * ch

Handle alpha and tRNS via a background color */

Called by user to write a row of image data */

later fill with something actuall but without this it doesn't match as in original it doesn't use state arg and then it removes the state arg from bei

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