giles
1a74d811f7
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Merges full history from art-dag/mono.git into the monorepo under the artdag/ directory. Contains: core (DAG engine), l1 (Celery rendering server), l2 (ActivityPub registry), common (shared templates/middleware), client (CLI), test (e2e). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> git-subtree-dir: artdag git-subtree-mainline:1a179de547git-subtree-split:4c2e716558
53 lines
2.5 KiB
Common Lisp
53 lines
2.5 KiB
Common Lisp
;; ASCII Art FX - converts image to ASCII characters with per-character effects
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(require-primitives "ascii")
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(define-effect ascii_art_fx
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:params (
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;; Basic parameters
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(char_size :type int :default 8 :range [4 32]
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:desc "Size of each character cell in pixels")
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(alphabet :type string :default "standard"
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:desc "Character set to use")
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(color_mode :type string :default "color"
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:choices [color mono invert]
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:desc "Color mode: color, mono, invert, or any color name/hex")
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(background_color :type string :default "black"
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:desc "Background color name or hex value")
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(invert_colors :type int :default 0 :range [0 1]
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:desc "Swap foreground and background colors (0/1)")
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(contrast :type float :default 1.5 :range [1 3]
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:desc "Character selection contrast")
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;; Per-character effects
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(char_jitter :type float :default 0 :range [0 20]
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:desc "Position jitter amount in pixels")
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(char_scale :type float :default 1.0 :range [0.5 2.0]
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:desc "Character scale factor")
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(char_rotation :type float :default 0 :range [0 180]
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:desc "Rotation amount in degrees")
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(char_hue_shift :type float :default 0 :range [0 360]
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:desc "Hue shift in degrees")
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;; Modulation sources
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(jitter_source :type string :default "none"
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:choices [none luminance inv_luminance saturation position_x position_y position_diag random center_dist]
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:desc "What drives jitter modulation")
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(scale_source :type string :default "none"
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:choices [none luminance inv_luminance saturation position_x position_y position_diag random center_dist]
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:desc "What drives scale modulation")
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(rotation_source :type string :default "none"
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:choices [none luminance inv_luminance saturation position_x position_y position_diag random center_dist]
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:desc "What drives rotation modulation")
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(hue_source :type string :default "none"
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:choices [none luminance inv_luminance saturation position_x position_y position_diag random center_dist]
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:desc "What drives hue shift modulation")
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)
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(let* ((sample (cell-sample frame char_size))
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(colors (nth sample 0))
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(luminances (nth sample 1))
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(chars (luminance-to-chars luminances alphabet contrast)))
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(render-char-grid-fx frame chars colors luminances char_size
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color_mode background_color invert_colors
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char_jitter char_scale char_rotation char_hue_shift
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jitter_source scale_source rotation_source hue_source)))
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