Lines Matching refs:keep
1647 * Weights are factors >= 1.0, indicating how important it is to keep the
2353 keep = 0: PNG_HANDLE_CHUNK_AS_DEFAULT: follow default behavior
2354 = 1: PNG_HANDLE_CHUNK_NEVER: do not keep
2355 = 2: PNG_HANDLE_CHUNK_IF_SAFE: keep only if safe-to-copy
2356 = 3: PNG_HANDLE_CHUNK_ALWAYS: keep even if unsafe-to-copy
2359 (png_structp png_ptr, int keep,
