Lines Matching defs:value

556          png_error(png_ptr, "bad adaptive filter value");
820 png_debug1(1, "bad adaptive filter value %d", png_ptr->row_buf[0]);
1520 # define P_LINEAR8 4 /* 8-bit linear: only from a file value */
1941 decode_gamma(png_image_read_control *display, png_uint_32 value, int encoding)
1955 value = png_gamma_16bit_correct(value*257, display->gamma_to_linear);
1959 value = png_sRGB_table[value];
1966 value *= 257;
1976 return value;
1984 /* The file value is composed on the background, the background has the given
1992 /* The alpha is always an 8-bit value (it comes from the palette), the value
2038 /* Note that the cached value may be P_FILE too, but if it is then the
2130 /* Store the value. */
2151 * value, if less than 65535 (this is, effectively, composite on black
2269 * [0..5]*51, the GA processing uses PNG_DIV51(value) to find the
2453 * value or, if the output has no alpha, the background color.
2472 /* 'i' is a file value. While this will result in duplicated
2516 * to do the exact match on the 16-bit value.
2559 * sRGB value.
2642 * level color values, one set for each intermediate alpha value.
2672 * value.
2726 /* This may produce a value not exactly matching the
2739 /* PNG_sRGB_FROM_LINEAR expects a 16-bit linear value scaled
2740 * by an 8-bit alpha value (0..255).
2848 * need to convert it to a value of the input (P_FILE)
2859 * exactly the required sRGB value.
2876 * output (normally sRGB) value.
3604 /* This is PNG_OPTIMIZED_ALPHA, the component value
3605 * is a linear 8-bit value. Combine this with the
3606 * current outrow[c] value which is sRGB encoded.
3693 * checking the value after libpng expansions, not the original value in the
3775 else /* constant background value */
4043 * final value.
4102 /* This is always an 8-bit sRGB value, using the 'green' channel
4169 * the output is gray, but fix up the 'format' value in that case.
4375 * fits in a signed 32-bit value. Because channels/components can be
4394 /* This verifies 'check', the absolute value of the actual stride