Lines Matching full:grayscale
1274 PNG_TRANSFORM_GRAY_TO_RGB Expand grayscale samples
1655 data. For example, don't swap red and blue on grayscale data.
1666 For example, 4 bit/pixel paletted or grayscale data will be returned
1675 after each RRGGBB triplet. Similarly, 8-bit or 16-bit grayscale data can
1679 The following code transforms grayscale images of less than 8 to 8 bits,
1682 grayscale images with bit depths of 2 or 4 or if there is a multiple-image
1704 In the following table, the 01 means grayscale with depth<8, 31 means
1827 For some uses, you may want a grayscale image to be represented as
1834 Conversely, you can convert an RGB or RGBA image to grayscale or grayscale
1861 will be silently converted to grayscale, using the green channel
1889 If you have a grayscale and you are using png_set_expand_depth(),
2012 This function can also be used to invert grayscale and gray-alpha images:
3035 data. For example, don't swap red and blue on grayscale data.
3039 to 3 or 6 bytes (or strip 2 or 4-byte grayscale+filler data to 1 or 2
3546 of an image. Filtering is enabled by default for RGB and grayscale
