Lines Matching refs:png_byte
65 png_byte bit_depth; /* 1, 2, 4, 8, or 16 bits/channel (from IHDR) */
66 png_byte color_type; /* see PNG_COLOR_TYPE_ below (from IHDR) */
68 png_byte compression_type; /* must be PNG_COMPRESSION_TYPE_BASE (IHDR) */
69 png_byte filter_type; /* must be PNG_FILTER_TYPE_BASE (from IHDR) */
70 png_byte interlace_type; /* One of PNG_INTERLACE_NONE, PNG_INTERLACE_ADAM7 */
75 png_byte channels; /* number of data channels per pixel (1, 2, 3, 4) */
76 png_byte pixel_depth; /* number of bits per pixel */
77 png_byte spare_byte; /* to align the data, and for future use */
81 png_byte signature[8]; /* magic bytes read by libpng from start of file */
175 png_byte offset_unit_type; /* offset units type */
185 png_byte phys_unit_type; /* resolution type (see PNG_RESOLUTION_ below) */
215 png_byte pcal_type; /* equation type (see PNG_EQUATION_ below) */
216 png_byte pcal_nparams; /* number of parameters given in pcal_params */
246 png_byte scal_unit; /* unit of physical scale */