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https://github.com/storytold/vectorcraft.git
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Don Omondi
66c797a59b
Follow-ups to the review of #4697 and #4698: - With textAs: outlines, a .ai saved without PDF compatibility, read from its editing data alone, has its type outlined too, as an empty page or a text-only placeholder already did. - Threaded type read from the editing data holds its story in its first frame: it now flows through its frames before it is outlined, so each frame's outlines show the text it holds, and the outlined frames leave their threads. - Each outline group keeps its type's opacity, blend mode, isolation, opacity mask and effects (the same carry-over the flattener uses). - A gradient-mesh corner (/N) holding anything but numbers is unread, instead of being read with the numbers after it shifted into its colour and opacity.
57 lines
3.0 KiB
Rust
57 lines
3.0 KiB
Rust
//! Object → Flatten Transparency: transparent art becomes opaque art that looks the same.
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//!
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//! The targets (`ids` or the selection) split into groups of overlapping objects. Groups without
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//! transparency stay as they are (their type and strokes are outlined on request). The others are
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//! cut into atomic regions: the faces of the planar arrangement of every fill, outlined stroke and
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//! clipping path in them ([`po::regions`]). The same paints cover each whole region, so its colour
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//! is exact: those paints composited as the renderer composites them ([`Composer`], blend modes by
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//! [`composite`]), over white (or over nothing with Preserve Alpha); in CMYK documents their inks
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//! composite, plane by plane ([`cmyk_planes`]), and the colour is CMYK. Each region becomes a path
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//! filled with that flat colour. Where gradients, patterns, images, opacity masks or raster
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//! effects reach there is no single colour: those regions are rendered into one image per group,
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//! clipped to them with Clip Complex Regions (else the image is a rectangle that takes in the
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//! regions it overlaps). The raster/vector balance rasterizes whole groups that split into more
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//! regions than it allows (all of them at 0). For files without transparency (PDF/X-1a, PDF/X-3)
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//! a CMYK document's images are opaque CMYK: its colours keep their inks there too.
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//!
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//! Edit → Transparency Flattener Presets: the built-in presets plus the user's, saved with the
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//! preferences ([`crate::Prefs::flattener_presets`]); a `preset` named anywhere options are taken
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//! finds both.
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//!
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//! Window → Flattener Preview: the same plan, worked out without rendering, reports what flattening
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//! the document would touch ([`FlattenReport`], `flattener.preview`).
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use std::collections::BTreeSet;
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use std::sync::Arc;
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use serde::{Deserialize, Serialize};
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use serde_json::{Value, json};
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use vectorcraft_color::blend::{cmyk_planes, composite, planes_cmyk};
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use vectorcraft_color::{BlendMode, Color, Paint};
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use vectorcraft_doc::appearance::{AppearanceItem, FillLayer};
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use vectorcraft_doc::cmyk::Inks;
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use vectorcraft_doc::{Appearance, ColorMode, Document, Effect, ImageBlob, ImageObject, Knockout, Node, NodeId, NodeKind};
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use vectorcraft_geom::{Affine, FillRule, PathData, Rect, shapes};
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use vectorcraft_pathops as po;
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use vectorcraft_render::effects;
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use super::edit::roots_of;
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use super::menucmds::{MAX_PIXELS, isolated_doc, unique_key};
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use super::pathops::{node_path, outline_strokes, outline_strokes_under, separate, shape_node};
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use super::{CommandSpec, EngineError, Result, Session, always, bad, bool_or, cmd, has_doc, str_param, targets, unique_name};
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mod analysis;
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mod apply;
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mod commands;
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mod compose;
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mod options;
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mod presets;
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mod report;
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pub(crate) use analysis::{outlined_text, see_through_images};
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pub(crate) use apply::flatten_document;
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pub use commands::specs;
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pub use options::FlattenOptions;
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pub use presets::{FlattenerPreset, PRESET_EXTS, PRESET_FORMAT};
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pub use report::{FlattenReport, Highlight, Overprints, report};
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