Summary
Metadata
Words
Tuple classes
Singleton classes
Ordinary words
Class predicate words
Files
Metadata files
Metadata
| Parents: | images |
| Tags: | graphics, images |
| Authors: | Doug Coleman |
Words
Tuple classes
| Class | Superclass | Slots |
 bad-checksum |  tuple | |
| bad-filter | tuple | n |
| bad-png-header | tuple | header |
| icc-profile | tuple | name data |
| invalid-PLTE | tuple | array |
| invalid-color-type/bit-depth | tuple | loading-png |
| itext | tuple | keyword language translated-keyword text |
| loading-png | tuple | chunks width height bit-depth color-type compression-method filter-method interlace-method icc-profile itexts |
| png-chunk | tuple | type data |
| unimplemented-color-type | tuple | image |
| unimplemented-interlace | tuple | |
| unknown-color-type | tuple | n |
| unknown-component-type | tuple | n |
Singleton classes
 png-image |
Ordinary words
| Word | Stack effect |
| <icc-profile> | ( byte-array -- icc-profile ) |
| <itext> | ( byte-array -- itext ) |
| <loading-png> | ( -- image ) |
| <png-chunk> | ( -- png-chunk ) |
| adam7-subimage-height | ( png-height pass -- subimage-height ) |
| adam7-subimage-width | ( png-width pass -- subimage-width ) |
| bad-checksum | ( -- * ) |
| bad-filter | ( n -- * ) |
| bad-png-header | ( header -- * ) |
 block-height | ( -- value ) |
| block-width | ( -- value ) |
| col-increment | ( -- value ) |
| decode-greyscale | ( loading-png -- byte-array ) |
| decode-greyscale-alpha | ( loading-image -- byte-array ) |
| decode-indexed-color | ( loading-image -- byte-array ) |
| filter-average | ( -- value ) |
| filter-none | ( -- value ) |
| filter-paeth | ( -- value ) |
| filter-sub | ( -- value ) |
| filter-up | ( -- value ) |
| find-chunk | ( loading-png string -- chunk ) |
| find-chunks | ( loading-png string -- chunk ) |
| find-compressed-bytes | ( loading-png -- bytes ) |
| greyscale | ( -- value ) |
| greyscale-alpha | ( -- value ) |
| indexed-color | ( -- value ) |
| inflate-data | ( loading-png -- bytes ) |
| interlace-adam7 | ( -- value ) |
| interlace-none | ( -- value ) |
| invalid-PLTE | ( array -- * ) |
| invalid-color-type/bit-depth | ( loading-png -- * ) |
| load-png | ( stream -- loading-png ) |
| loading-png>bitmap | ( loading-png -- bytes component-order ) |
| loading-png>image | ( loading-png -- image ) |
| paeth | ( a b c -- p ) |
| parse-iccp-chunk | ( loading-png -- loading-png ) |
| parse-ihdr-chunk | ( loading-png -- loading-png ) |
| parse-itext-chunks | ( loading-png -- loading-png ) |
| png-component | ( loading-png -- obj ) |
| png-components-per-pixel | ( loading-png -- n ) |
| png-group-width | ( loading-png -- n ) |
| png-header | ( -- value ) |
| png-unfilter-line | ( width prev curr filter -- curr' ) |
| read-adam7-subimage | ( byte-reader loading-png pass -- lines ) |
| read-png-chunks | ( loading-png -- loading-png ) |
| read-png-header | ( -- ) |
| read-png-string | ( -- str ) |
| read-scanlines | ( byte-reader loading-png width height -- array ) |
| reverse-interlace-adam7 | ( byte-array loading-png -- byte-array ) |
| reverse-interlace-none | ( bytes loading-png -- array ) |
| reverse-png-filter | ( lines n -- byte-array ) |
| row-increment | ( -- value ) |
| scale-factor | ( n -- n' ) |
| scale-greyscale | ( byte-array loading-png -- byte-array' ) |
| starting-col | ( -- value ) |
| starting-row | ( -- value ) |
| truecolor | ( -- value ) |
| truecolor-alpha | ( -- value ) |
| uncompress-bytes | ( loading-png -- bitstream ) |
| unimplemented-color-type | ( image -- * ) |
| unimplemented-interlace | ( -- * ) |
| unknown-color-type | ( n -- * ) |
| unknown-component-type | ( n -- * ) |
| validate-bit-depth | ( loading-png seq -- loading-png ) |
| validate-greyscale | ( loading-png -- loading-png ) |
| validate-greyscale-alpha | ( loading-png -- loading-png ) |
| validate-indexed-color | ( loading-png -- loading-png ) |
| validate-truecolor | ( loading-png -- loading-png ) |
| validate-truecolor-alpha | ( loading-png -- loading-png ) |
| verify-PLTE | ( seq -- seq ) |
| visit | ( row col height width pixel image -- ) |
Class predicate words
| Word | Stack effect |
| bad-checksum? | ( object -- ? ) |
| bad-filter? | ( object -- ? ) |
| bad-png-header? | ( object -- ? ) |
| icc-profile? | ( object -- ? ) |
| invalid-PLTE? | ( object -- ? ) |
| invalid-color-type/bit-depth? | ( object -- ? ) |
| itext? | ( object -- ? ) |
| loading-png? | ( object -- ? ) |
| png-chunk? | ( object -- ? ) |
| png-image? | ( object -- ? ) |
| unimplemented-color-type? | ( object -- ? ) |
| unimplemented-interlace? | ( object -- ? ) |
| unknown-color-type? | ( object -- ? ) |
| unknown-component-type? | ( object -- ? ) |
Files
Metadata files