feat: PDF importieren und annotiert exportieren
- ☰ → „PDF importieren …“ oder PDF ins Fenster ziehen: neues Notizbuch mit einer Seite je PDF-Seite, die Originalseite als Hintergrund - Querformat-Folien liegen oben auf dem A4-Blatt, darunter ist Platz für Notizen; gedrehte Seiten (/Rotate) erscheinen wie im PDF-Betrachter - Anzeige mit hayro (reines Rust) im Hintergrund-Thread, nächste Seite wird vorab gerendert - PDF-Export legt die Originalseiten als Vektorgrafik (Form-XObject via lopdf) unter Bilder und Tinte; nicht übernehmbare Seiten (z. B. verschlüsselt) werden als Bild mit 200 dpi eingebettet - Dateiformat-Version 5 (pdf_background an der Seite) Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Claude Opus 5.5
Generated
+405
-13
@@ -37,6 +37,21 @@ dependencies = [
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"zerocopy",
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]
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[[package]]
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|
||||
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|
||||
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|
||||
checksum = "cc7bb162ec39d46ab1ca8c77bf72e890535becd1751bb45f64c597edb4c8c6b3"
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||||
|
||||
[[package]]
|
||||
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|
||||
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||||
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||||
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|
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|
||||
"alloc-no-stdlib",
|
||||
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[[package]]
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||||
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@@ -61,7 +76,7 @@ dependencies = [
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"ndk-context",
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"ndk-sys",
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"num_enum",
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"thiserror",
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"thiserror 1.0.69",
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]
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[[package]]
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@@ -205,6 +220,27 @@ dependencies = [
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"objc2 0.4.1",
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]
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[[package]]
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name = "brotli"
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||||
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"alloc-no-stdlib",
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"alloc-stdlib",
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"brotli-decompressor",
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"alloc-no-stdlib",
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"alloc-stdlib",
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[[package]]
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@@ -265,7 +301,7 @@ dependencies = [
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"polling",
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"rustix 0.38.44",
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"slab",
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"thiserror",
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"thiserror 1.0.69",
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[[package]]
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@@ -335,6 +371,15 @@ dependencies = [
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"unicode-width",
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]
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[[package]]
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name = "color"
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||||
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||||
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[[package]]
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@@ -593,7 +638,7 @@ dependencies = [
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"egui",
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"epaint",
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"log",
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"thiserror",
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"thiserror 1.0.69",
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"type-map",
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"web-time",
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"wgpu",
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@@ -686,6 +731,15 @@ version = "3.4.0"
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[[package]]
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"num-traits",
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]
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[[package]]
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name = "fastrand"
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version = "2.5.0"
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@@ -707,6 +761,18 @@ dependencies = [
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"simd-adler32",
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]
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[[package]]
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name = "fearless_simd"
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version = "0.7.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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[[package]]
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name = "find-msvc-tools"
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version = "0.1.14"
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@@ -724,6 +790,21 @@ dependencies = [
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"zlib-rs",
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]
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[[package]]
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name = "foldhash"
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version = "0.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "font-types"
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"bytemuck",
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[[package]]
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@@ -878,6 +959,23 @@ dependencies = [
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"serde",
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]
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[[package]]
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name = "glifo"
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||||
"bytemuck",
|
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"foldhash",
|
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"hashbrown 0.17.1",
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"log",
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"peniko",
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"png",
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"skrifa 0.44.0",
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"smallvec",
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"vello_common",
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[[package]]
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name = "glow"
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@@ -926,7 +1024,7 @@ checksum = "6f56f6318968d03c18e1bcf4857ff88c61157e9da8e47c5f29055d60e1228884"
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"log",
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"presser",
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"thiserror",
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"thiserror 1.0.69",
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"winapi",
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"windows 0.52.0",
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@@ -951,6 +1049,15 @@ dependencies = [
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"bitflags 2.13.2",
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]
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[[package]]
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[[package]]
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@@ -977,6 +1084,9 @@ name = "hashbrown"
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||||
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"foldhash",
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]
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[[package]]
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name = "hassle-rs"
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@@ -988,11 +1098,103 @@ dependencies = [
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"com",
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"libc",
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"libloading 0.8.9",
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"thiserror",
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"thiserror 1.0.69",
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"widestring",
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"winapi",
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[[package]]
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"bytemuck",
|
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"image",
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"kurbo",
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"pic-scale",
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"rustc-hash 2.1.3",
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"vello_cpu",
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[[package]]
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|
||||
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||||
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||||
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||||
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||||
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[[package]]
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||||
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|
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|
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"phf",
|
||||
"rustc-hash 2.1.3",
|
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|
||||
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|
||||
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|
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|
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|
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|
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||||
|
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||||
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||||
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"rustc-hash 2.1.3",
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"egui-winit",
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"fs2",
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"glam",
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"hayro",
|
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"image",
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"minisign-verify",
|
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"naga",
|
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@@ -1220,7 +1423,7 @@ dependencies = [
|
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"combine",
|
||||
"jni-sys 0.3.1",
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"log",
|
||||
"thiserror",
|
||||
"thiserror 1.0.69",
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"walkdir",
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"windows-sys 0.45.0",
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@@ -1291,6 +1494,18 @@ version = "3.1.0"
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||||
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||||
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||||
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||||
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|
||||
"polycool",
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||||
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|
||||
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[[package]]
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name = "libc"
|
||||
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|
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@@ -1329,6 +1544,12 @@ dependencies = [
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||||
"redox_syscall 0.9.4",
|
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]
|
||||
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[[package]]
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||||
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||||
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[[package]]
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||||
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||||
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|
||||
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|
||||
"rustc-hash 1.1.0",
|
||||
"spirv",
|
||||
"termcolor",
|
||||
"thiserror",
|
||||
"thiserror 1.0.69",
|
||||
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|
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||||
|
||||
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|
||||
"ndk-sys",
|
||||
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|
||||
"raw-window-handle 0.6.2",
|
||||
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||||
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|
||||
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|
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|
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[[package]]
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@@ -1697,7 +1918,7 @@ dependencies = [
|
||||
"raw-window-handle 0.6.2",
|
||||
"smallvec",
|
||||
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|
||||
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"thiserror 1.0.69",
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||||
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|
||||
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|
||||
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||||
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||||
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||||
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||||
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|
||||
|
||||
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|
||||
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||||
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|
||||
|
||||
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||||
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|
||||
checksum = "812f032b54b1e759ccd5f8b6677695d5268c588701effba24601f6932f8269ef"
|
||||
dependencies = [
|
||||
"phf_generator",
|
||||
"phf_shared",
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn 2.0.119",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "phf_shared"
|
||||
version = "0.13.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "e57fef6bc5981e38c2ce2d63bfa546861309f875b8a75f092d1d54ae2d64f266"
|
||||
dependencies = [
|
||||
"siphasher",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "pic-scale"
|
||||
version = "0.7.12"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "6edb0ff645d35accaec252de081d55984a0d6c952cb1e5dc2b9afa7c78f07288"
|
||||
dependencies = [
|
||||
"num-traits",
|
||||
"pxfm",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "pin-project-lite"
|
||||
version = "0.2.17"
|
||||
@@ -1824,6 +2110,15 @@ version = "0.3.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "22686f4785f02a4fcc856d3b3bb19bf6c8160d103f7a99cc258bddd0251dc7f2"
|
||||
|
||||
[[package]]
|
||||
name = "polycool"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "50596ddc09eb5ad5f75cacd40209568e66df71baf86e1499a0e99c4cff12a5a6"
|
||||
dependencies = [
|
||||
"arrayvec",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "pom"
|
||||
version = "3.4.0"
|
||||
@@ -1950,6 +2245,28 @@ version = "0.6.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "20675572f6f24e9e76ef639bc5552774ed45f1c30e2951e1e99c59888861c539"
|
||||
|
||||
[[package]]
|
||||
name = "read-fonts"
|
||||
version = "0.41.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "046a7d674daf459825b32f5062056d6882db0d2f5a479fbd76ccfc870ac18709"
|
||||
dependencies = [
|
||||
"bytemuck",
|
||||
"font-types",
|
||||
"once_cell",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "read-fonts"
|
||||
version = "0.43.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "005c8acf251756c478b0bf402885bfd88a1476020c4c7e6060edc1aa68da38ea"
|
||||
dependencies = [
|
||||
"bytemuck",
|
||||
"font-types",
|
||||
"once_cell",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "redox_syscall"
|
||||
version = "0.3.5"
|
||||
@@ -2194,6 +2511,32 @@ version = "0.1.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "e3a9fe34e3e7a50316060351f37187a3f546bce95496156754b601a5fa71b76e"
|
||||
|
||||
[[package]]
|
||||
name = "siphasher"
|
||||
version = "1.0.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "33f4fe9184a62d842c9ef383018f3306d8ba224fd9d836f56d7288308847c256"
|
||||
|
||||
[[package]]
|
||||
name = "skrifa"
|
||||
version = "0.44.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "819ab7d62b1d3e72d9d9dea5650bac30424f9111364bb94928dbf5ecad1baa68"
|
||||
dependencies = [
|
||||
"bytemuck",
|
||||
"read-fonts 0.41.0",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "skrifa"
|
||||
version = "0.46.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d4febebda507fb889c545a37a135517769d1391941013561292897961d1887d6"
|
||||
dependencies = [
|
||||
"bytemuck",
|
||||
"read-fonts 0.43.3",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "slab"
|
||||
version = "0.4.12"
|
||||
@@ -2229,7 +2572,7 @@ dependencies = [
|
||||
"log",
|
||||
"memmap2",
|
||||
"rustix 0.38.44",
|
||||
"thiserror",
|
||||
"thiserror 1.0.69",
|
||||
"wayland-backend",
|
||||
"wayland-client",
|
||||
"wayland-csd-frame",
|
||||
@@ -2376,7 +2719,16 @@ version = "1.0.69"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
|
||||
dependencies = [
|
||||
"thiserror-impl",
|
||||
"thiserror-impl 1.0.69",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "thiserror"
|
||||
version = "2.0.21"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "09e52cb86a36cede5cb101bf8908837b3e4c6e5e59fe7fd85c23fb56200d189e"
|
||||
dependencies = [
|
||||
"thiserror-impl 2.0.21",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
@@ -2390,6 +2742,17 @@ dependencies = [
|
||||
"syn 2.0.119",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "thiserror-impl"
|
||||
version = "2.0.21"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "fe5197923287db20a58125f0bc85c062f7f2c892de97b18c356f9efb14b28524"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn 3.0.6",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "tiff"
|
||||
version = "0.11.3"
|
||||
@@ -2601,6 +2964,35 @@ version = "1.0.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "b6c140620e7ffbb22c2dee59cafe6084a59b5ffc27a8859a5f0d494b5d52b6be"
|
||||
|
||||
[[package]]
|
||||
name = "vello_common"
|
||||
version = "0.3.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "73c2fbe53548bcd25c8ff42f75a93770a8611a16b37bee56d7ef7b44e36027f1"
|
||||
dependencies = [
|
||||
"bytemuck",
|
||||
"fearless_simd 0.7.0",
|
||||
"guillotiere",
|
||||
"log",
|
||||
"peniko",
|
||||
"png",
|
||||
"smallvec",
|
||||
"thiserror 2.0.21",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "vello_cpu"
|
||||
version = "0.3.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ed1fec424fbba6acf6cbc78bb526447eb77590d95f40419d598870fe37535212"
|
||||
dependencies = [
|
||||
"bytemuck",
|
||||
"glifo",
|
||||
"hashbrown 0.17.1",
|
||||
"png",
|
||||
"vello_common",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "version_check"
|
||||
version = "0.9.5"
|
||||
@@ -2903,7 +3295,7 @@ dependencies = [
|
||||
"raw-window-handle 0.6.2",
|
||||
"rustc-hash 1.1.0",
|
||||
"smallvec",
|
||||
"thiserror",
|
||||
"thiserror 1.0.69",
|
||||
"web-sys",
|
||||
"wgpu-hal",
|
||||
"wgpu-types",
|
||||
@@ -2947,7 +3339,7 @@ dependencies = [
|
||||
"renderdoc-sys",
|
||||
"rustc-hash 1.1.0",
|
||||
"smallvec",
|
||||
"thiserror",
|
||||
"thiserror 1.0.69",
|
||||
"wasm-bindgen",
|
||||
"web-sys",
|
||||
"wgpu-types",
|
||||
|
||||
+2
-1
@@ -6,7 +6,7 @@ description = "Latenzoptimierte Vektor-Notizbuch- und Inking-Anwendung für Linu
|
||||
repository = "https://gitea.pansi.eu/harald/ink-notes"
|
||||
license = "MIT"
|
||||
readme = "README.md"
|
||||
rust-version = "1.75"
|
||||
rust-version = "1.92"
|
||||
|
||||
[dependencies]
|
||||
# Fenster- & Event-Handling (Wayland/X11, Stylus)
|
||||
@@ -45,6 +45,7 @@ image = { version = "0.25", default-features = false, features = ["png", "jpeg",
|
||||
arboard = { version = "3", default-features = false, features = ["image-data"] }
|
||||
minisign-verify = "0.3.0"
|
||||
fs2 = "0.4"
|
||||
hayro = "0.8"
|
||||
|
||||
[profile.dev]
|
||||
opt-level = 1 # Erhöht Rendering-Performance auch im Debug-Modus
|
||||
|
||||
+13
-2
@@ -78,7 +78,7 @@ pub struct RgbaImage {
|
||||
pub pixels: Vec<u8>,
|
||||
}
|
||||
|
||||
/// Prüft einen Asset-Namen: genau 64 Hex-Zeichen und `.png` oder `.jpg`. Verhindert, dass
|
||||
/// Prüft einen Asset-Namen: genau 64 Hex-Zeichen und `.png`, `.jpg` oder `.pdf`. Verhindert, dass
|
||||
/// eine manipulierte Seitendatei auf Dateien außerhalb des Asset-Ordners verweist.
|
||||
pub fn is_valid_asset_name(name: &str) -> bool {
|
||||
let Some((hash, ext)) = name.split_once('.') else {
|
||||
@@ -88,7 +88,7 @@ pub fn is_valid_asset_name(name: &str) -> bool {
|
||||
&& hash
|
||||
.bytes()
|
||||
.all(|b| b.is_ascii_digit() || (b'a'..=b'f').contains(&b))
|
||||
&& matches!(ext, "png" | "jpg")
|
||||
&& matches!(ext, "png" | "jpg" | "pdf")
|
||||
}
|
||||
|
||||
/// Bilddateien eines Notizbuchs.
|
||||
@@ -146,6 +146,17 @@ impl AssetStore {
|
||||
self.store(&png, "png", decoded.width(), decoded.height())
|
||||
}
|
||||
|
||||
/// Übernimmt eine PDF-Datei unverändert (der Inhalt muss vorher geprüft sein).
|
||||
pub fn import_pdf(&self, bytes: &[u8]) -> Result<String, AssetError> {
|
||||
let hash = Sha256::digest(bytes);
|
||||
let asset = format!("{}.pdf", hex(&hash));
|
||||
let path = self.path_of(&asset)?;
|
||||
if !path.exists() {
|
||||
storage::atomic_write_file(&path, bytes)?;
|
||||
}
|
||||
Ok(asset)
|
||||
}
|
||||
|
||||
/// Übernimmt rohe RGBA-Pixel (z. B. aus der Zwischenablage) als PNG.
|
||||
pub fn import_rgba(
|
||||
&self,
|
||||
|
||||
+20
-6
@@ -666,10 +666,16 @@ impl CanvasState {
|
||||
pub fn sync_page(&mut self, page: &mut Page) {
|
||||
page.rebuild_cache_if_dirty();
|
||||
self.set_background(page.background);
|
||||
// PDF-Seite zuerst, darüber die eingefügten Bilder
|
||||
self.image_layer.set_quads(
|
||||
page.strokes
|
||||
page.pdf_background
|
||||
.iter()
|
||||
.filter_map(|s| Some((s.image.clone()?, s.image_corners()?)))
|
||||
.map(|pdf| (pdf.key(), pdf.corners()))
|
||||
.chain(
|
||||
page.strokes
|
||||
.iter()
|
||||
.filter_map(|s| Some((s.image.clone()?, s.image_corners()?))),
|
||||
)
|
||||
.collect(),
|
||||
);
|
||||
|
||||
@@ -698,10 +704,18 @@ impl CanvasState {
|
||||
);
|
||||
}
|
||||
|
||||
/// Lädt Bilder der aktuellen Seite, die noch nicht auf der GPU liegen. Vor jedem
|
||||
/// Zeichnen aufrufen; ohne Änderungen kostet das nichts.
|
||||
pub fn prepare_images(&mut self, assets: &crate::assets::AssetStore) {
|
||||
self.image_layer.prepare(&self.device, &self.queue, assets);
|
||||
/// Lädt Bilder und PDF-Seiten der aktuellen Seite, die noch nicht auf der GPU liegen.
|
||||
/// Vor jedem Zeichnen aufrufen; ohne Änderungen kostet das fast nichts.
|
||||
pub fn prepare_images(
|
||||
&mut self,
|
||||
load: &mut dyn FnMut(&str) -> crate::image_layer::TextureSource,
|
||||
) {
|
||||
self.image_layer.prepare(&self.device, &self.queue, load);
|
||||
}
|
||||
|
||||
/// Wird noch eine PDF-Seite im Hintergrund gerendert?
|
||||
pub fn is_waiting_for_images(&self) -> bool {
|
||||
self.image_layer.is_waiting()
|
||||
}
|
||||
|
||||
/// Startet einen neuen Live-Strich in DIN-A4-Seitenkoordinaten.
|
||||
|
||||
@@ -122,6 +122,47 @@ pub fn point_in_convex_quad(p: glam::Vec2, quad: &[glam::Vec2; 4]) -> bool {
|
||||
true
|
||||
}
|
||||
|
||||
/// Verweis auf eine Seite eines importierten PDFs (Datei im Asset-Ordner).
|
||||
#[derive(Debug, Clone, PartialEq, serde::Serialize, serde::Deserialize)]
|
||||
pub struct PdfBackground {
|
||||
/// Name der PDF-Datei im Asset-Ordner
|
||||
pub asset: String,
|
||||
/// Seitennummer im PDF, ab 0
|
||||
pub page: u32,
|
||||
/// Angezeigte Größe der PDF-Seite in Punkt (Drehung berücksichtigt)
|
||||
pub width_pt: f32,
|
||||
pub height_pt: f32,
|
||||
}
|
||||
|
||||
impl PdfBackground {
|
||||
/// Schlüssel für Texturen und Render-Aufträge.
|
||||
pub fn key(&self) -> String {
|
||||
format!("{}#{}", self.asset, self.page)
|
||||
}
|
||||
|
||||
/// Ecken (oben links, oben rechts, unten rechts, unten links) der PDF-Seite auf dem
|
||||
/// A4-Blatt, siehe [`pdf_placement`].
|
||||
pub fn corners(&self) -> [glam::Vec2; 4] {
|
||||
pdf_placement(self.width_pt, self.height_pt)
|
||||
}
|
||||
}
|
||||
|
||||
/// Lage einer PDF-Seite von `width_pt` × `height_pt` auf dem A4-Blatt: so groß wie möglich,
|
||||
/// waagerecht zentriert und oben bündig. Querformat-Folien liegen so oben auf der Seite,
|
||||
/// darunter bleibt Platz für Notizen.
|
||||
pub fn pdf_placement(width_pt: f32, height_pt: f32) -> [glam::Vec2; 4] {
|
||||
let (w, h) = (width_pt.max(1.0), height_pt.max(1.0));
|
||||
let scale = (PAGE_WIDTH / w).min(PAGE_HEIGHT / h);
|
||||
let size = glam::Vec2::new(w * scale, h * scale);
|
||||
let tl = glam::Vec2::new((PAGE_WIDTH - size.x) / 2.0, 0.0);
|
||||
[
|
||||
tl,
|
||||
tl + glam::Vec2::new(size.x, 0.0),
|
||||
tl + size,
|
||||
tl + glam::Vec2::new(0.0, size.y),
|
||||
]
|
||||
}
|
||||
|
||||
/// Seiteneinheiten pro Bildpixel beim Einfügen (96 dpi wie am Bildschirm: 1 px ≈ 0,26 mm).
|
||||
pub const IMAGE_UNITS_PER_PIXEL: f32 = UNITS_PER_MM * 25.4 / 96.0;
|
||||
|
||||
@@ -489,6 +530,8 @@ pub struct Page {
|
||||
pub id: u64,
|
||||
pub strokes: Vec<Stroke>,
|
||||
pub background: PageBackground,
|
||||
/// Importierte PDF-Seite als Hintergrund (unter Bildern und Tinte)
|
||||
pub pdf_background: Option<PdfBackground>,
|
||||
pub vertex_cache: Vec<InkVertex>,
|
||||
pub stroke_ranges: Vec<Range<u32>>,
|
||||
pub is_dirty: bool,
|
||||
@@ -503,6 +546,7 @@ impl Page {
|
||||
id,
|
||||
strokes: Vec::new(),
|
||||
background,
|
||||
pdf_background: None,
|
||||
vertex_cache: Vec::new(),
|
||||
stroke_ranges: Vec::new(),
|
||||
is_dirty: false,
|
||||
@@ -518,6 +562,7 @@ impl Page {
|
||||
id,
|
||||
strokes: Vec::new(),
|
||||
background,
|
||||
pdf_background: None,
|
||||
vertex_cache: Vec::new(),
|
||||
stroke_ranges: Vec::new(),
|
||||
is_dirty: false,
|
||||
|
||||
+228
-41
@@ -117,10 +117,11 @@ pub fn export_notebook_to_pdf<P: AsRef<Path>>(
|
||||
strategy: ExportStrategy,
|
||||
assets: Option<&AssetStore>,
|
||||
) -> Result<(), Box<dyn Error>> {
|
||||
let bytes = export_notebook_to_bytes(notebook, strategy, assets)?;
|
||||
let file = File::create(path)?;
|
||||
let mut writer = BufWriter::new(file);
|
||||
let doc = generate_pdf_document(notebook, strategy, assets)?;
|
||||
doc.save(&mut writer)?;
|
||||
std::io::Write::write_all(&mut writer, &bytes)?;
|
||||
std::io::Write::flush(&mut writer)?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
@@ -132,14 +133,88 @@ pub fn export_notebook_to_bytes(
|
||||
) -> Result<Vec<u8>, Box<dyn Error>> {
|
||||
let doc = generate_pdf_document(notebook, strategy, assets)?;
|
||||
let bytes = doc.save_to_bytes()?;
|
||||
Ok(bytes)
|
||||
|
||||
// Importierte PDF-Seiten als Vektorgrafik unterlegen
|
||||
let underlays = pdf_underlays(notebook);
|
||||
if underlays.is_empty() {
|
||||
return Ok(bytes);
|
||||
}
|
||||
let sources: std::collections::HashMap<String, Vec<u8>> = underlays
|
||||
.iter()
|
||||
.filter_map(|u| Some((u.source.clone(), assets?.read_bytes(&u.source).ok()?)))
|
||||
.collect();
|
||||
let (merged, failed) = crate::pdf_merge::apply_underlays(&bytes, &underlays, &sources)?;
|
||||
if failed.is_empty() {
|
||||
return Ok(merged);
|
||||
}
|
||||
|
||||
// Nicht übernehmbare Seiten (z. B. verschlüsselte PDFs) als Bild einbetten
|
||||
let mut raster = std::collections::HashSet::new();
|
||||
for (underlay, err) in &failed {
|
||||
eprintln!(
|
||||
"[PDF-Export] Seite {} des PDFs als Bild statt als Vektor: {err}",
|
||||
underlay.source_page + 1
|
||||
);
|
||||
raster.insert(underlay.target_page);
|
||||
}
|
||||
let doc = generate_pdf_document_with(notebook, strategy, assets, &raster)?;
|
||||
let bytes = doc.save_to_bytes()?;
|
||||
let remaining: Vec<_> = underlays
|
||||
.into_iter()
|
||||
.filter(|u| !raster.contains(&u.target_page))
|
||||
.collect();
|
||||
if remaining.is_empty() {
|
||||
return Ok(bytes);
|
||||
}
|
||||
let (merged, _) = crate::pdf_merge::apply_underlays(&bytes, &remaining, &sources)?;
|
||||
Ok(merged)
|
||||
}
|
||||
|
||||
/// Unterlagen für alle Seiten mit importierter PDF-Seite.
|
||||
fn pdf_underlays(notebook: &Notebook) -> Vec<crate::pdf_merge::Underlay> {
|
||||
notebook
|
||||
.pages
|
||||
.iter()
|
||||
.enumerate()
|
||||
.filter_map(|(i, page)| {
|
||||
let pdf = page.pdf_background.as_ref()?;
|
||||
let corners = pdf.corners();
|
||||
let top_right = page_to_pdf_pt(corners[1]);
|
||||
let bottom_left = page_to_pdf_pt(corners[3]);
|
||||
let size = top_right - bottom_left;
|
||||
Some(crate::pdf_merge::Underlay {
|
||||
target_page: i,
|
||||
source: pdf.asset.clone(),
|
||||
source_page: pdf.page as usize,
|
||||
rect: [bottom_left.x, bottom_left.y, size.x, size.y],
|
||||
})
|
||||
})
|
||||
.collect()
|
||||
}
|
||||
|
||||
/// Generiert das `printpdf::PdfDocumentReference` für alle Seiten des Notizbuchs.
|
||||
/// Importierte PDF-Seiten sind darin noch nicht enthalten; die legt
|
||||
/// [`export_notebook_to_bytes`] anschließend als Vektorgrafik darunter.
|
||||
pub fn generate_pdf_document(
|
||||
notebook: &Notebook,
|
||||
strategy: ExportStrategy,
|
||||
assets: Option<&AssetStore>,
|
||||
) -> Result<PdfDocumentReference, Box<dyn Error>> {
|
||||
generate_pdf_document_with(
|
||||
notebook,
|
||||
strategy,
|
||||
assets,
|
||||
&std::collections::HashSet::new(),
|
||||
)
|
||||
}
|
||||
|
||||
/// Wie [`generate_pdf_document`]; die PDF-Seiten der Seiten in `raster_pdf_pages` werden
|
||||
/// gerendert und als Bild eingebettet.
|
||||
fn generate_pdf_document_with(
|
||||
notebook: &Notebook,
|
||||
strategy: ExportStrategy,
|
||||
assets: Option<&AssetStore>,
|
||||
raster_pdf_pages: &std::collections::HashSet<usize>,
|
||||
) -> Result<PdfDocumentReference, Box<dyn Error>> {
|
||||
if notebook.pages.is_empty() {
|
||||
return Err("Notizbuch enthält keine Seiten".into());
|
||||
@@ -164,6 +239,9 @@ pub fn generate_pdf_document(
|
||||
let page1_ref = doc.get_page(page1_idx);
|
||||
let layer1_bg_ref = page1_ref.get_layer(layer1_bg);
|
||||
render_background_layer(&layer1_bg_ref, notebook.pages[0].background);
|
||||
if raster_pdf_pages.contains(&0) {
|
||||
render_pdf_raster(&page1_ref.add_layer("PDF"), ¬ebook.pages[0], assets);
|
||||
}
|
||||
if notebook.pages[0].strokes.iter().any(Stroke::is_image) {
|
||||
render_image_layer(&page1_ref.add_layer("Images"), ¬ebook.pages[0], assets);
|
||||
}
|
||||
@@ -172,11 +250,14 @@ pub fn generate_pdf_document(
|
||||
render_ink_layer(&layer1_ink_ref, ¬ebook.pages[0], strategy);
|
||||
|
||||
// 2. Alle nachfolgenden Seiten hinzufügen
|
||||
for page in ¬ebook.pages[1..] {
|
||||
for (i, page) in notebook.pages.iter().enumerate().skip(1) {
|
||||
let (page_idx, layer_bg) = doc.add_page(Mm(A4_WIDTH_MM), Mm(A4_HEIGHT_MM), "Background");
|
||||
let page_ref = doc.get_page(page_idx);
|
||||
let layer_bg_ref = page_ref.get_layer(layer_bg);
|
||||
render_background_layer(&layer_bg_ref, page.background);
|
||||
if raster_pdf_pages.contains(&i) {
|
||||
render_pdf_raster(&page_ref.add_layer("PDF"), page, assets);
|
||||
}
|
||||
if page.strokes.iter().any(Stroke::is_image) {
|
||||
render_image_layer(&page_ref.add_layer("Images"), page, assets);
|
||||
}
|
||||
@@ -390,17 +471,7 @@ fn pdf_image_xobject(
|
||||
rgb.push(((*c as u32 * alpha + 255 * (255 - alpha)) / 255) as u8);
|
||||
}
|
||||
}
|
||||
Ok(ImageXObject {
|
||||
width: Px(rgba.width() as usize),
|
||||
height: Px(rgba.height() as usize),
|
||||
color_space: ColorSpace::Rgb,
|
||||
bits_per_component: ColorBits::Bit8,
|
||||
interpolate: true,
|
||||
image_data: rgb,
|
||||
image_filter: None,
|
||||
smask: None,
|
||||
clipping_bbox: None,
|
||||
})
|
||||
Ok(rgb_xobject(rgba.width(), rgba.height(), rgb))
|
||||
}
|
||||
|
||||
/// Rendert die eingefügten Bilder einer Seite. Fehlt eine Bilddatei, erscheint an ihrer
|
||||
@@ -420,37 +491,95 @@ fn render_image_layer(
|
||||
if let Some(Err(err)) = other {
|
||||
eprintln!("[PDF-Export] Bild '{asset}' fehlt oder ist beschädigt: {err}");
|
||||
}
|
||||
printpdf::ImageXObject {
|
||||
width: printpdf::Px(1),
|
||||
height: printpdf::Px(1),
|
||||
color_space: printpdf::ColorSpace::Rgb,
|
||||
bits_per_component: printpdf::ColorBits::Bit8,
|
||||
interpolate: false,
|
||||
image_data: vec![200, 200, 200],
|
||||
image_filter: None,
|
||||
smask: None,
|
||||
clipping_bbox: None,
|
||||
}
|
||||
placeholder_xobject()
|
||||
}
|
||||
};
|
||||
let (width, height) = (xobject.width.0 as f32, xobject.height.0 as f32);
|
||||
layer.save_graphics_state();
|
||||
layer.set_ctm(printpdf::CurTransMat::Raw(image_matrix(&corners)));
|
||||
// Bei 72 dpi ist ein Pixel ein Punkt; die Skalierung bildet das Bild auf das
|
||||
// Einheitsquadrat ab, die Matrix oben auf die Bildecken
|
||||
printpdf::Image::from(xobject).add_to_layer(
|
||||
layer.clone(),
|
||||
printpdf::ImageTransform {
|
||||
dpi: Some(72.0),
|
||||
scale_x: Some(1.0 / width),
|
||||
scale_y: Some(1.0 / height),
|
||||
..Default::default()
|
||||
},
|
||||
);
|
||||
layer.restore_graphics_state();
|
||||
draw_image_xobject(layer, xobject, &corners);
|
||||
}
|
||||
}
|
||||
|
||||
/// Graue 1×1-Fläche für fehlende Bilder.
|
||||
fn placeholder_xobject() -> printpdf::ImageXObject {
|
||||
rgb_xobject(1, 1, vec![200, 200, 200])
|
||||
}
|
||||
|
||||
fn rgb_xobject(width: u32, height: u32, rgb: Vec<u8>) -> printpdf::ImageXObject {
|
||||
printpdf::ImageXObject {
|
||||
width: printpdf::Px(width as usize),
|
||||
height: printpdf::Px(height as usize),
|
||||
color_space: printpdf::ColorSpace::Rgb,
|
||||
bits_per_component: printpdf::ColorBits::Bit8,
|
||||
interpolate: true,
|
||||
image_data: rgb,
|
||||
image_filter: None,
|
||||
smask: None,
|
||||
clipping_bbox: None,
|
||||
}
|
||||
}
|
||||
|
||||
/// Zeichnet ein Bild so, dass es die Ecken oben links, oben rechts, unten rechts,
|
||||
/// unten links ausfüllt.
|
||||
fn draw_image_xobject(
|
||||
layer: &printpdf::PdfLayerReference,
|
||||
xobject: printpdf::ImageXObject,
|
||||
corners: &[glam::Vec2; 4],
|
||||
) {
|
||||
let (width, height) = (xobject.width.0 as f32, xobject.height.0 as f32);
|
||||
layer.save_graphics_state();
|
||||
layer.set_ctm(printpdf::CurTransMat::Raw(image_matrix(corners)));
|
||||
// Bei 72 dpi ist ein Pixel ein Punkt; die Skalierung bildet das Bild auf das
|
||||
// Einheitsquadrat ab, die Matrix oben auf die Bildecken
|
||||
printpdf::Image::from(xobject).add_to_layer(
|
||||
layer.clone(),
|
||||
printpdf::ImageTransform {
|
||||
dpi: Some(72.0),
|
||||
scale_x: Some(1.0 / width),
|
||||
scale_y: Some(1.0 / height),
|
||||
..Default::default()
|
||||
},
|
||||
);
|
||||
layer.restore_graphics_state();
|
||||
}
|
||||
|
||||
/// Auflösung, mit der PDF-Seiten gerendert werden, die nicht als Vektor übernommen
|
||||
/// werden können.
|
||||
const PDF_RASTER_DPI: f32 = 200.0;
|
||||
|
||||
/// Bettet die importierte PDF-Seite als gerendertes Bild ein (Ausweichlösung).
|
||||
fn render_pdf_raster(
|
||||
layer: &printpdf::PdfLayerReference,
|
||||
page: &Page,
|
||||
assets: Option<&AssetStore>,
|
||||
) {
|
||||
let Some(pdf) = &page.pdf_background else {
|
||||
return;
|
||||
};
|
||||
let longest_pt = pdf.width_pt.max(pdf.height_pt);
|
||||
let max_pixels = (longest_pt / 72.0 * PDF_RASTER_DPI).ceil() as u32;
|
||||
let rendered = assets
|
||||
.ok_or_else(|| "kein Asset-Ordner".to_string())
|
||||
.and_then(|a| a.path_of(&pdf.asset).map_err(|e| e.to_string()))
|
||||
.and_then(|path| crate::pdf_doc::render_file_page(&path, pdf.page as usize, max_pixels));
|
||||
let xobject = match rendered {
|
||||
Ok(image) => {
|
||||
let rgb = image
|
||||
.pixels
|
||||
.chunks_exact(4)
|
||||
.flat_map(|px| [px[0], px[1], px[2]])
|
||||
.collect();
|
||||
rgb_xobject(image.width, image.height, rgb)
|
||||
}
|
||||
Err(err) => {
|
||||
eprintln!(
|
||||
"[PDF-Export] PDF-Seite {} nicht darstellbar: {err}",
|
||||
pdf.page + 1
|
||||
);
|
||||
placeholder_xobject()
|
||||
}
|
||||
};
|
||||
draw_image_xobject(layer, xobject, &pdf.corners());
|
||||
}
|
||||
|
||||
/// Rendert eine mathematisch bereinigte Form (Gerade, Kreis, Rechteck, Koordinatensystem)
|
||||
/// als verlustfreien Vektorpfad im PDF.
|
||||
fn render_recognized_shape(
|
||||
@@ -1209,6 +1338,64 @@ mod tests {
|
||||
assert!(export_notebook_to_bytes(¬ebook, ExportStrategy::FilledPolygon, None).is_ok());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_pdf_export_underlays_imported_pages() {
|
||||
let temp_dir = tempfile::tempdir().unwrap();
|
||||
let source = crate::pdf_doc::tests::sample_pdf(&[(842.0, 595.0, 0), (595.0, 842.0, 90)]);
|
||||
let (mut notebook, _, dir) =
|
||||
crate::storage::create_notebook_from_pdf(temp_dir.path(), "Folien", source).unwrap();
|
||||
crate::storage::load_all_pages(&dir, &mut notebook).unwrap();
|
||||
let assets = AssetStore::new(&dir);
|
||||
|
||||
let bytes =
|
||||
export_notebook_to_bytes(¬ebook, ExportStrategy::FilledPolygon, Some(&assets))
|
||||
.unwrap();
|
||||
let doc = printpdf::lopdf::Document::load_mem(&bytes).unwrap();
|
||||
assert_eq!(doc.get_pages().len(), 2);
|
||||
for page_id in doc.get_pages().into_values() {
|
||||
let content = doc.get_page_content(page_id).unwrap();
|
||||
assert!(
|
||||
String::from_utf8_lossy(&content).starts_with("q "),
|
||||
"Originalseite fehlt als Unterlage"
|
||||
);
|
||||
}
|
||||
|
||||
// Exportiertes PDF lässt sich wieder rendern: Folie oben, rotes Quadrat oben links
|
||||
let pdf = hayro::hayro_syntax::Pdf::new(bytes).unwrap();
|
||||
let image = crate::pdf_doc::render_page(&pdf, 0, 600).unwrap();
|
||||
let px = |x: u32, y: u32| {
|
||||
let i = ((y * image.width + x) * 4) as usize;
|
||||
image.pixels[i..i + 3].to_vec()
|
||||
};
|
||||
assert_eq!(px(5, 5), vec![255, 0, 0], "Quadrat der Folie oben links");
|
||||
assert_eq!(
|
||||
px(200, 500),
|
||||
vec![255, 255, 255],
|
||||
"unter der Folie ist Platz"
|
||||
);
|
||||
|
||||
// Gedrehte Seite (/Rotate 90) erscheint wie im PDF-Betrachter: das Quadrat liegt
|
||||
// dort oben rechts, in der Quelle wie im Export
|
||||
let source_pdf = hayro::hayro_syntax::Pdf::new(
|
||||
assets
|
||||
.read_bytes(¬ebook.pages[1].pdf_background.as_ref().unwrap().asset)
|
||||
.unwrap(),
|
||||
)
|
||||
.unwrap();
|
||||
let shown = crate::pdf_doc::render_page(&source_pdf, 1, 600).unwrap();
|
||||
let red_at = |img: &crate::assets::RgbaImage, x: u32, y: u32| {
|
||||
let i = ((y * img.width + x) * 4) as usize;
|
||||
img.pixels[i..i + 3] == [255, 0, 0]
|
||||
};
|
||||
assert!(red_at(&shown, shown.width - 5, 5));
|
||||
let exported = crate::pdf_doc::render_page(&pdf, 1, 600).unwrap();
|
||||
assert!(red_at(&exported, exported.width - 5, 5));
|
||||
assert!(!red_at(&exported, 5, 5));
|
||||
|
||||
// Ohne Zugriff auf das PDF: Export klappt trotzdem (graue Ersatzfläche)
|
||||
assert!(export_notebook_to_bytes(¬ebook, ExportStrategy::FilledPolygon, None).is_ok());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_jpeg_component_count() {
|
||||
let color = crate::assets::tests::sample_image_bytes(8, 8, image::ImageFormat::Jpeg);
|
||||
|
||||
+69
-17
@@ -1,7 +1,7 @@
|
||||
//! Eingebaute, stift- und fingertaugliche Dateiauswahl für Bilder.
|
||||
//! Eingebaute, stift- und fingertaugliche Dateiauswahl für Bilder und PDFs.
|
||||
//!
|
||||
//! Bewusst ohne Systemdialog: der bräuchte GTK oder das Desktop-Portal, die unter WSL und auf
|
||||
//! schlanken Systemen oft fehlen. Die Auswahl zeigt Ordner und unterstützte Bilder des
|
||||
//! schlanken Systemen oft fehlen. Die Auswahl zeigt Ordner und die passenden Dateien des
|
||||
//! aktuellen Ordners; versteckte Dateien bleiben ausgeblendet.
|
||||
|
||||
use std::path::{Path, PathBuf};
|
||||
@@ -16,9 +16,36 @@ pub struct PickerEntry {
|
||||
pub is_dir: bool,
|
||||
}
|
||||
|
||||
/// Welche Dateien die Auswahl anbietet.
|
||||
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
|
||||
pub enum PickerKind {
|
||||
/// Bilder zum Einfügen auf der aktuellen Seite
|
||||
Image,
|
||||
/// PDF zum Importieren als neues Notizbuch
|
||||
Pdf,
|
||||
}
|
||||
|
||||
impl PickerKind {
|
||||
/// Passt die Datei zu dieser Auswahl?
|
||||
pub fn accepts(self, path: &Path) -> bool {
|
||||
match self {
|
||||
PickerKind::Image => is_supported_image_path(path),
|
||||
PickerKind::Pdf => is_pdf_path(path),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Ist die Datei dem Namen nach ein PDF?
|
||||
pub fn is_pdf_path(path: &Path) -> bool {
|
||||
path.extension()
|
||||
.and_then(|e| e.to_str())
|
||||
.is_some_and(|e| e.eq_ignore_ascii_case("pdf"))
|
||||
}
|
||||
|
||||
/// Zustand der Dateiauswahl.
|
||||
#[derive(Debug, Clone, PartialEq)]
|
||||
pub struct FilePicker {
|
||||
pub kind: PickerKind,
|
||||
pub dir: PathBuf,
|
||||
pub entries: Vec<PickerEntry>,
|
||||
/// Ordner nicht lesbar
|
||||
@@ -26,14 +53,26 @@ pub struct FilePicker {
|
||||
}
|
||||
|
||||
impl FilePicker {
|
||||
/// Öffnet die Auswahl in `dir`, sonst im Bilder-Ordner, sonst im Home-Ordner.
|
||||
pub fn open(dir: Option<&Path>) -> Self {
|
||||
/// Öffnet die Auswahl in `dir`, sonst im Bilder-Ordner (Bilder) bzw. Downloads (PDF),
|
||||
/// sonst im Home-Ordner.
|
||||
pub fn open(kind: PickerKind, dir: Option<&Path>) -> Self {
|
||||
let start = dir
|
||||
.filter(|d| d.is_dir())
|
||||
.map(Path::to_path_buf)
|
||||
.or_else(|| shortcuts().into_iter().map(|(_, p)| p).find(|p| p.is_dir()))
|
||||
.or_else(|| {
|
||||
let preferred = match kind {
|
||||
PickerKind::Image => "🖼 Bilder",
|
||||
PickerKind::Pdf => "⬇ Downloads",
|
||||
};
|
||||
let all = shortcuts();
|
||||
all.iter()
|
||||
.find(|(label, _)| *label == preferred)
|
||||
.or_else(|| all.last())
|
||||
.map(|(_, p)| p.clone())
|
||||
})
|
||||
.unwrap_or_else(|| PathBuf::from("/"));
|
||||
let mut picker = Self {
|
||||
kind,
|
||||
dir: start.clone(),
|
||||
entries: Vec::new(),
|
||||
error: None,
|
||||
@@ -44,7 +83,7 @@ impl FilePicker {
|
||||
|
||||
/// Wechselt in `dir` und liest den Inhalt neu ein.
|
||||
pub fn navigate(&mut self, dir: &Path) {
|
||||
match list_dir(dir) {
|
||||
match list_dir(dir, self.kind) {
|
||||
Ok(entries) => {
|
||||
self.dir = dir.to_path_buf();
|
||||
self.entries = entries;
|
||||
@@ -67,9 +106,9 @@ impl FilePicker {
|
||||
}
|
||||
}
|
||||
|
||||
/// Ordner und unterstützte Bilder in `dir`: erst Ordner, dann Dateien, jeweils alphabetisch
|
||||
/// Ordner und passende Dateien in `dir`: erst Ordner, dann Dateien, jeweils alphabetisch
|
||||
/// ohne Groß-/Kleinschreibung; versteckte Einträge (Punkt am Anfang) fehlen.
|
||||
pub fn list_dir(dir: &Path) -> std::io::Result<Vec<PickerEntry>> {
|
||||
pub fn list_dir(dir: &Path, kind: PickerKind) -> std::io::Result<Vec<PickerEntry>> {
|
||||
let mut entries: Vec<PickerEntry> = std::fs::read_dir(dir)?
|
||||
.filter_map(Result::ok)
|
||||
.filter_map(|entry| {
|
||||
@@ -80,7 +119,7 @@ pub fn list_dir(dir: &Path) -> std::io::Result<Vec<PickerEntry>> {
|
||||
let path = entry.path();
|
||||
// Symlinks auflösen: ein Link auf einen Ordner ist ein Ordner
|
||||
let is_dir = path.is_dir();
|
||||
(is_dir || is_supported_image_path(&path)).then_some(PickerEntry { name, path, is_dir })
|
||||
(is_dir || kind.accepts(&path)).then_some(PickerEntry { name, path, is_dir })
|
||||
})
|
||||
.collect();
|
||||
entries.sort_by(|a, b| {
|
||||
@@ -143,19 +182,32 @@ mod tests {
|
||||
#[test]
|
||||
fn test_list_dir_sorts_and_filters() {
|
||||
let dir = tempfile::tempdir().unwrap();
|
||||
for name in ["b.png", "A.jpg", "notiz.txt", ".versteckt.png", "c.webp"] {
|
||||
for name in [
|
||||
"b.png",
|
||||
"A.jpg",
|
||||
"notiz.txt",
|
||||
".versteckt.png",
|
||||
"c.webp",
|
||||
"Skript.PDF",
|
||||
] {
|
||||
std::fs::write(dir.path().join(name), b"x").unwrap();
|
||||
}
|
||||
std::fs::create_dir(dir.path().join("zOrdner")).unwrap();
|
||||
std::fs::create_dir(dir.path().join("aOrdner")).unwrap();
|
||||
std::fs::create_dir(dir.path().join(".cache")).unwrap();
|
||||
|
||||
let names: Vec<String> = list_dir(dir.path())
|
||||
.unwrap()
|
||||
.into_iter()
|
||||
.map(|e| e.name)
|
||||
.collect();
|
||||
assert_eq!(names, ["aOrdner", "zOrdner", "A.jpg", "b.png", "c.webp"]);
|
||||
let names = |kind| -> Vec<String> {
|
||||
list_dir(dir.path(), kind)
|
||||
.unwrap()
|
||||
.into_iter()
|
||||
.map(|e| e.name)
|
||||
.collect()
|
||||
};
|
||||
assert_eq!(
|
||||
names(PickerKind::Image),
|
||||
["aOrdner", "zOrdner", "A.jpg", "b.png", "c.webp"]
|
||||
);
|
||||
assert_eq!(names(PickerKind::Pdf), ["aOrdner", "zOrdner", "Skript.PDF"]);
|
||||
}
|
||||
|
||||
#[test]
|
||||
@@ -165,7 +217,7 @@ mod tests {
|
||||
std::fs::create_dir(&sub).unwrap();
|
||||
std::fs::write(sub.join("tafel.jpg"), b"x").unwrap();
|
||||
|
||||
let mut picker = FilePicker::open(Some(&sub));
|
||||
let mut picker = FilePicker::open(PickerKind::Image, Some(&sub));
|
||||
assert_eq!(picker.dir, sub);
|
||||
assert_eq!(picker.entries.len(), 1);
|
||||
|
||||
|
||||
+60
-31
@@ -1,13 +1,13 @@
|
||||
//! GPU-Darstellung eingefügter Bilder: ein texturiertes Viereck pro Bild, gezeichnet nach dem
|
||||
//! Papier und vor der Tinte.
|
||||
//!
|
||||
//! Texturen werden beim ersten Bedarf aus dem Asset-Ordner geladen (verkleinert auf
|
||||
//! `assets::MAX_DISPLAY_DIMENSION`) und mit Mipmaps versehen, damit verkleinerte Bilder
|
||||
//! beim Herauszoomen nicht flimmern.
|
||||
//! Texturen liefert beim ersten Bedarf eine Texturquelle (Bilddatei oder gerenderte
|
||||
//! PDF-Seite); sie werden mit Mipmaps versehen, damit verkleinerte Bilder beim
|
||||
//! Herauszoomen nicht flimmern.
|
||||
|
||||
use std::collections::{HashMap, HashSet};
|
||||
|
||||
use crate::assets::{AssetStore, RgbaImage, MAX_DISPLAY_DIMENSION};
|
||||
use crate::assets::RgbaImage;
|
||||
|
||||
/// Vertex eines Bildvierecks: Seitenkoordinate und Texturkoordinate.
|
||||
#[repr(C)]
|
||||
@@ -67,19 +67,29 @@ pub fn mip_chain(base: &RgbaImage) -> Vec<RgbaImage> {
|
||||
|
||||
/// Name der Ersatztextur für Bilder, deren Datei fehlt oder beschädigt ist.
|
||||
const MISSING: &str = "";
|
||||
/// So viele Texturen bleiben höchstens im Speicher, auch wenn sie auf der aktuellen Seite
|
||||
/// nicht mehr gebraucht werden (schnelles Zurückblättern).
|
||||
const TEXTURE_CACHE_LIMIT: usize = 24;
|
||||
/// Bis zu dieser Grafikspeichermenge bleiben Texturen anderer Seiten erhalten (schnelles
|
||||
/// Zurückblättern); darüber werden alle nicht mehr sichtbaren freigegeben.
|
||||
const TEXTURE_CACHE_BYTES: u64 = 384 * 1024 * 1024;
|
||||
|
||||
/// Antwort einer Texturquelle für einen Schlüssel.
|
||||
pub enum TextureSource {
|
||||
Ready(RgbaImage),
|
||||
/// Wird gerade erzeugt; später erneut fragen
|
||||
Pending,
|
||||
Failed(String),
|
||||
}
|
||||
|
||||
pub struct ImageLayer {
|
||||
pipeline: wgpu::RenderPipeline,
|
||||
texture_layout: wgpu::BindGroupLayout,
|
||||
sampler: wgpu::Sampler,
|
||||
textures: HashMap<String, wgpu::BindGroup>,
|
||||
/// Texturen nach Schlüssel (Asset-Name bzw. `<pdf>#<seite>`) mit belegtem Speicher
|
||||
textures: HashMap<String, (wgpu::BindGroup, u64)>,
|
||||
texture_bytes: u64,
|
||||
/// Bilder der aktuellen Seite: Asset-Name und Ecken
|
||||
quads: Vec<(String, [glam::Vec2; 4])>,
|
||||
vertex_buffer: Option<wgpu::Buffer>,
|
||||
needs_upload: bool,
|
||||
vertices_dirty: bool,
|
||||
}
|
||||
|
||||
impl ImageLayer {
|
||||
@@ -155,9 +165,10 @@ impl ImageLayer {
|
||||
texture_layout,
|
||||
sampler,
|
||||
textures: HashMap::new(),
|
||||
texture_bytes: 0,
|
||||
quads: Vec::new(),
|
||||
vertex_buffer: None,
|
||||
needs_upload: false,
|
||||
vertices_dirty: false,
|
||||
}
|
||||
}
|
||||
|
||||
@@ -165,45 +176,56 @@ impl ImageLayer {
|
||||
pub fn set_quads(&mut self, quads: Vec<(String, [glam::Vec2; 4])>) {
|
||||
if quads != self.quads {
|
||||
self.quads = quads;
|
||||
self.needs_upload = true;
|
||||
self.vertices_dirty = true;
|
||||
}
|
||||
}
|
||||
|
||||
/// Lädt fehlende Texturen und den Vertex-Puffer hoch. Vor jedem Zeichnen aufrufen;
|
||||
/// ohne Änderungen kostet das nichts.
|
||||
pub fn prepare(&mut self, device: &wgpu::Device, queue: &wgpu::Queue, assets: &AssetStore) {
|
||||
if !self.needs_upload {
|
||||
return;
|
||||
}
|
||||
self.needs_upload = false;
|
||||
|
||||
pub fn prepare(
|
||||
&mut self,
|
||||
device: &wgpu::Device,
|
||||
queue: &wgpu::Queue,
|
||||
load: &mut dyn FnMut(&str) -> TextureSource,
|
||||
) {
|
||||
let missing: Vec<String> = self
|
||||
.quads
|
||||
.iter()
|
||||
.map(|(asset, _)| asset)
|
||||
.filter(|asset| !self.textures.contains_key(*asset))
|
||||
.map(|(key, _)| key)
|
||||
.filter(|key| !self.textures.contains_key(*key))
|
||||
.cloned()
|
||||
.collect();
|
||||
for asset in missing {
|
||||
if self.textures.contains_key(&asset) {
|
||||
for key in missing {
|
||||
if self.textures.contains_key(&key) {
|
||||
continue;
|
||||
}
|
||||
let bind_group = match assets.load_rgba(&asset, MAX_DISPLAY_DIMENSION) {
|
||||
Ok(image) => self.upload_texture(device, queue, &asset, &image),
|
||||
Err(err) => {
|
||||
eprintln!("[Bilder] '{asset}' kann nicht angezeigt werden: {err}");
|
||||
self.missing_texture(device, queue)
|
||||
let (bind_group, bytes) = match load(&key) {
|
||||
TextureSource::Ready(image) => (
|
||||
self.upload_texture(device, queue, &key, &image),
|
||||
image.pixels.len() as u64 * 4 / 3,
|
||||
),
|
||||
// Noch in Arbeit (PDF-Seite wird gerendert): beim nächsten Bild erneut fragen
|
||||
TextureSource::Pending => continue,
|
||||
TextureSource::Failed(err) => {
|
||||
eprintln!("[Bilder] '{key}' kann nicht angezeigt werden: {err}");
|
||||
(self.missing_texture(device, queue), 4)
|
||||
}
|
||||
};
|
||||
self.textures.insert(asset, bind_group);
|
||||
self.texture_bytes += bytes;
|
||||
self.textures.insert(key, (bind_group, bytes));
|
||||
}
|
||||
|
||||
// Nicht mehr benötigte Texturen freigeben, wenn der Speicher voll wird
|
||||
if self.textures.len() > TEXTURE_CACHE_LIMIT {
|
||||
// Nicht mehr benötigte Texturen freigeben, wenn der Grafikspeicher knapp wird
|
||||
if self.texture_bytes > TEXTURE_CACHE_BYTES {
|
||||
let used: HashSet<&String> = self.quads.iter().map(|(a, _)| a).collect();
|
||||
self.textures.retain(|name, _| used.contains(name));
|
||||
self.texture_bytes = self.textures.values().map(|(_, b)| b).sum();
|
||||
}
|
||||
|
||||
if !self.vertices_dirty {
|
||||
return;
|
||||
}
|
||||
self.vertices_dirty = false;
|
||||
let vertices: Vec<ImageVertex> = self
|
||||
.quads
|
||||
.iter()
|
||||
@@ -230,18 +252,25 @@ impl ImageLayer {
|
||||
}
|
||||
}
|
||||
|
||||
/// Fehlen noch Texturen der aktuellen Seite (z. B. PDF-Seite im Hintergrund-Rendering)?
|
||||
pub fn is_waiting(&self) -> bool {
|
||||
self.quads
|
||||
.iter()
|
||||
.any(|(key, _)| !self.textures.contains_key(key))
|
||||
}
|
||||
|
||||
/// Zeichnet die Bilder der aktuellen Seite. Bind Group 0 (Kamera) muss gesetzt sein.
|
||||
pub fn draw<'a>(&'a self, render_pass: &mut wgpu::RenderPass<'a>) {
|
||||
let Some(buffer) = &self.vertex_buffer else {
|
||||
return;
|
||||
};
|
||||
if self.quads.is_empty() || self.needs_upload {
|
||||
if self.quads.is_empty() || self.vertices_dirty {
|
||||
return;
|
||||
}
|
||||
render_pass.set_pipeline(&self.pipeline);
|
||||
render_pass.set_vertex_buffer(0, buffer.slice(..));
|
||||
for (i, (asset, _)) in self.quads.iter().enumerate() {
|
||||
let Some(bind_group) = self.textures.get(asset) else {
|
||||
let Some((bind_group, _)) = self.textures.get(asset) else {
|
||||
continue;
|
||||
};
|
||||
render_pass.set_bind_group(1, bind_group, &[]);
|
||||
|
||||
@@ -11,6 +11,8 @@ pub mod filter;
|
||||
pub mod geometry;
|
||||
pub mod history;
|
||||
pub mod image_layer;
|
||||
pub mod pdf_doc;
|
||||
pub mod pdf_merge;
|
||||
pub mod platform;
|
||||
pub mod selection;
|
||||
pub mod settings;
|
||||
|
||||
+86
-3
@@ -22,6 +22,8 @@ use ink_notes::canvas::CanvasState;
|
||||
use ink_notes::document::{Notebook, PageBackground};
|
||||
use ink_notes::export::{self, export_notebook_to_pdf, ExportStrategy};
|
||||
use ink_notes::geometry::{self, RecognizedShape};
|
||||
use ink_notes::image_layer::TextureSource;
|
||||
use ink_notes::pdf_doc::PdfRenderService;
|
||||
use ink_notes::platform::{self, DisplayBackend};
|
||||
use ink_notes::selection::{
|
||||
render_selection_overlay, DragMode, SelectionHandleHit, SelectionState,
|
||||
@@ -236,6 +238,33 @@ fn insert_image_on_page(
|
||||
));
|
||||
}
|
||||
|
||||
/// Textur für einen Schlüssel der Bildebene: `<pdf>#<seite>` rendert der Hintergrund-Thread,
|
||||
/// alles andere ist eine Bilddatei im Asset-Ordner.
|
||||
fn texture_for(
|
||||
key: &str,
|
||||
assets: &AssetStore,
|
||||
pdf_renderer: &mut PdfRenderService,
|
||||
) -> TextureSource {
|
||||
let result = match key.split_once('#') {
|
||||
Some((asset, page)) => {
|
||||
let (Ok(path), Ok(page)) = (assets.path_of(asset), page.parse::<usize>()) else {
|
||||
return TextureSource::Failed(format!("Ungültiger PDF-Verweis '{key}'"));
|
||||
};
|
||||
match pdf_renderer.take(key, path, page) {
|
||||
Some(result) => result,
|
||||
None => return TextureSource::Pending,
|
||||
}
|
||||
}
|
||||
None => assets
|
||||
.load_rgba(key, ink_notes::assets::MAX_DISPLAY_DIMENSION)
|
||||
.map_err(|e| e.to_string()),
|
||||
};
|
||||
match result {
|
||||
Ok(image) => TextureSource::Ready(image),
|
||||
Err(err) => TextureSource::Failed(err),
|
||||
}
|
||||
}
|
||||
|
||||
/// Seitenmitte des sichtbaren Bereichs (Ziel für eingefügte Bilder).
|
||||
fn visible_page_center(canvas: &CanvasState) -> Vec2 {
|
||||
canvas.screen_to_page_clamped(
|
||||
@@ -499,6 +528,11 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
|
||||
}
|
||||
let mut selection_state = SelectionState::new();
|
||||
let mut clipboard = ClipboardBridge::new();
|
||||
// PDF-Seiten werden im Hintergrund gerendert und wecken danach den Event-Loop
|
||||
let mut pdf_renderer = {
|
||||
let window = window.clone();
|
||||
PdfRenderService::new(move || window.request_redraw())
|
||||
};
|
||||
|
||||
let mut _notebook_lock = match storage::NotebookLock::acquire(&storage_dir) {
|
||||
Ok(lock) => {
|
||||
@@ -972,7 +1006,9 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
|
||||
|
||||
// Bilddatei ins Fenster gezogen: an der Ablagestelle einfügen
|
||||
WindowEvent::DroppedFile(path) => {
|
||||
if ink_notes::assets::is_supported_image_path(&path) {
|
||||
if ink_notes::file_picker::is_pdf_path(&path) {
|
||||
ui_state.queued_actions.push(UiAction::ImportPdf(path));
|
||||
} else if ink_notes::assets::is_supported_image_path(&path) {
|
||||
let (sx, sy) = cursor_screen_pos;
|
||||
let center = canvas.screen_to_page_clamped(sx, sy);
|
||||
insert_image_file(
|
||||
@@ -981,7 +1017,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
|
||||
);
|
||||
update_window_title(&window, ¬ebook, &manifest, ui_state.active_tool, autosave.status());
|
||||
} else {
|
||||
ui_state.set_export_message("Nur Bilder (PNG, JPEG, GIF, WebP, BMP) können eingefügt werden".to_string());
|
||||
ui_state.set_export_message("Nur Bilder (PNG, JPEG, GIF, WebP, BMP) und PDFs können eingefügt werden".to_string());
|
||||
}
|
||||
window.request_redraw();
|
||||
}
|
||||
@@ -2426,6 +2462,43 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
|
||||
}
|
||||
}
|
||||
}
|
||||
UiAction::ImportPdf(path) => {
|
||||
let title = path
|
||||
.file_stem()
|
||||
.map(|s| s.to_string_lossy().into_owned())
|
||||
.unwrap_or_else(|| "PDF".to_string());
|
||||
let result = std::fs::read(&path)
|
||||
.map_err(|e| e.to_string())
|
||||
.and_then(|bytes| storage::create_notebook_from_pdf(&storage_base_dir, &title, bytes));
|
||||
match result {
|
||||
Ok((new_nb, new_manifest, new_dir)) => {
|
||||
let _ = autosave.flush();
|
||||
_notebook_lock = storage::NotebookLock::acquire(&new_dir).ok();
|
||||
autosave.set_read_only(_notebook_lock.is_none());
|
||||
autosave.switch_notebook_dir(new_dir.clone());
|
||||
notebook = new_nb;
|
||||
manifest = new_manifest;
|
||||
storage_dir = new_dir;
|
||||
selection_state.clear();
|
||||
ui_state.current_notebook_id = manifest.id.clone();
|
||||
ui_state.document_title = manifest.title.clone();
|
||||
ui_state.available_notebooks = storage::list_notebooks(&storage_base_dir);
|
||||
canvas.reset_view();
|
||||
canvas.sync_page(notebook.current_page_mut());
|
||||
update_window_title(&window, ¬ebook, &manifest, ui_state.active_tool, autosave.status());
|
||||
ui_state.set_export_message(format!(
|
||||
"'{}' importiert ({} Seiten)",
|
||||
manifest.title,
|
||||
notebook.pages.len()
|
||||
));
|
||||
}
|
||||
Err(err) => {
|
||||
eprintln!("[PDF-Import] '{}': {err}", path.display());
|
||||
ui_state.set_export_message(format!("PDF nicht importiert: {err}"));
|
||||
}
|
||||
}
|
||||
window.request_redraw();
|
||||
}
|
||||
UiAction::CreateNotebook(title) => {
|
||||
let _ = autosave.flush();
|
||||
match storage::create_new_notebook(&storage_base_dir, &title) {
|
||||
@@ -2708,7 +2781,17 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
|
||||
}
|
||||
|
||||
// 5. Canvas (Pass 1) und egui UI (Pass 2) in Surface-Textur rendern
|
||||
canvas.prepare_images(&AssetStore::new(&storage_dir));
|
||||
let assets = AssetStore::new(&storage_dir);
|
||||
canvas.prepare_images(&mut |key| texture_for(key, &assets, &mut pdf_renderer));
|
||||
// Nächste PDF-Seite vorab rendern, damit Blättern sofort klappt
|
||||
if !canvas.is_waiting_for_images() {
|
||||
let next = notebook.pages.get(notebook.current_page_index + 1);
|
||||
if let Some(pdf) = next.and_then(|p| p.pdf_background.as_ref()) {
|
||||
if let Ok(path) = assets.path_of(&pdf.asset) {
|
||||
pdf_renderer.prefetch(&pdf.key(), path, pdf.page as usize);
|
||||
}
|
||||
}
|
||||
}
|
||||
match canvas.render(&clipped_primitives, &screen_descriptor, &full_output.textures_delta) {
|
||||
Ok(_) => {}
|
||||
Err(wgpu::SurfaceError::Lost | wgpu::SurfaceError::Outdated) => {
|
||||
|
||||
+291
@@ -0,0 +1,291 @@
|
||||
//! Lesen und Rendern importierter PDF-Dateien mit `hayro` (reines Rust, nur CPU).
|
||||
//!
|
||||
//! Das Rendern einer Seite kann einige hundert Millisekunden dauern; [`PdfRenderService`]
|
||||
//! erledigt es deshalb in einem Hintergrund-Thread und meldet fertige Seiten zurück.
|
||||
|
||||
use std::collections::{HashMap, HashSet};
|
||||
use std::path::PathBuf;
|
||||
use std::sync::mpsc::{self, Receiver, Sender};
|
||||
|
||||
use hayro::hayro_interpret::InterpreterSettings;
|
||||
use hayro::hayro_syntax::{LoadPdfError, Pdf};
|
||||
use hayro::vello_cpu::color::palette::css::WHITE;
|
||||
use hayro::{PixmapSettings, RenderCache, RenderSettings};
|
||||
|
||||
use crate::assets::RgbaImage;
|
||||
|
||||
/// Längste Kante einer gerenderten Seite für die Anzeige in Pixeln (A4 ≈ 220 dpi).
|
||||
pub const DISPLAY_RENDER_PIXELS: u32 = 2560;
|
||||
/// Größte Seitenzahl, die importiert wird.
|
||||
pub const MAX_IMPORT_PAGES: usize = 2000;
|
||||
|
||||
/// Öffnet ein PDF und liefert die angezeigte Größe jeder Seite in Punkt (Drehung
|
||||
/// berücksichtigt).
|
||||
pub fn page_sizes(bytes: Vec<u8>) -> Result<Vec<(f32, f32)>, String> {
|
||||
let pdf = open(bytes)?;
|
||||
let sizes: Vec<(f32, f32)> = pdf.pages().iter().map(|p| p.render_dimensions()).collect();
|
||||
if sizes.is_empty() {
|
||||
return Err("Das PDF enthält keine Seiten".into());
|
||||
}
|
||||
if sizes.len() > MAX_IMPORT_PAGES {
|
||||
return Err(format!(
|
||||
"Das PDF hat {} Seiten, höchstens {MAX_IMPORT_PAGES} werden unterstützt",
|
||||
sizes.len()
|
||||
));
|
||||
}
|
||||
Ok(sizes)
|
||||
}
|
||||
|
||||
fn open(bytes: Vec<u8>) -> Result<Pdf, String> {
|
||||
Pdf::new(bytes).map_err(|e| match e {
|
||||
LoadPdfError::Decryption(_) => {
|
||||
"Das PDF ist verschlüsselt oder passwortgeschützt und kann nicht geöffnet werden"
|
||||
.to_string()
|
||||
}
|
||||
LoadPdfError::Invalid => "Die Datei ist kein lesbares PDF".to_string(),
|
||||
})
|
||||
}
|
||||
|
||||
/// Rendert Seite `index` so, dass die längste Kante höchstens `max_pixels` lang ist,
|
||||
/// auf weißem Grund.
|
||||
pub fn render_page(pdf: &Pdf, index: usize, max_pixels: u32) -> Result<RgbaImage, String> {
|
||||
let page = pdf
|
||||
.pages()
|
||||
.get(index)
|
||||
.ok_or_else(|| format!("Seite {} fehlt im PDF", index + 1))?;
|
||||
let (w, h) = page.render_dimensions();
|
||||
let scale = (max_pixels as f32 / w.max(h).max(1.0)).min(16.0);
|
||||
let pixmap = hayro::render(
|
||||
page,
|
||||
&RenderCache::new(),
|
||||
&InterpreterSettings::default(),
|
||||
&RenderSettings::default(),
|
||||
&PixmapSettings {
|
||||
x_scale: scale,
|
||||
y_scale: scale,
|
||||
bg_color: WHITE,
|
||||
},
|
||||
);
|
||||
// Auf weißem Grund ist jedes Pixel deckend: vormultipliziert = gerade Farbe
|
||||
Ok(RgbaImage {
|
||||
width: pixmap.width() as u32,
|
||||
height: pixmap.height() as u32,
|
||||
pixels: pixmap.data_as_u8_slice().to_vec(),
|
||||
})
|
||||
}
|
||||
|
||||
/// Öffnet die Datei und rendert eine Seite (für den PDF-Export als Ersatzbild).
|
||||
pub fn render_file_page(
|
||||
path: &std::path::Path,
|
||||
index: usize,
|
||||
max_pixels: u32,
|
||||
) -> Result<RgbaImage, String> {
|
||||
let bytes = std::fs::read(path).map_err(|e| e.to_string())?;
|
||||
render_page(&open(bytes)?, index, max_pixels)
|
||||
}
|
||||
|
||||
struct RenderRequest {
|
||||
key: String,
|
||||
path: PathBuf,
|
||||
page: usize,
|
||||
}
|
||||
|
||||
/// Ergebnis eines Render-Auftrags.
|
||||
pub type RenderResult = Result<RgbaImage, String>;
|
||||
|
||||
/// Rendert PDF-Seiten im Hintergrund. Fertige Seiten holt der Event-Loop mit
|
||||
/// [`PdfRenderService::take`] ab; `on_ready` weckt ihn dafür auf.
|
||||
pub struct PdfRenderService {
|
||||
requests: Sender<RenderRequest>,
|
||||
results: Receiver<(String, RenderResult)>,
|
||||
pending: HashSet<String>,
|
||||
ready: HashMap<String, RenderResult>,
|
||||
}
|
||||
|
||||
impl PdfRenderService {
|
||||
pub fn new(on_ready: impl Fn() + Send + 'static) -> Self {
|
||||
let (req_tx, req_rx) = mpsc::channel::<RenderRequest>();
|
||||
let (res_tx, res_rx) = mpsc::channel();
|
||||
std::thread::Builder::new()
|
||||
.name("pdf-render".into())
|
||||
.spawn(move || {
|
||||
// Zuletzt geöffnetes PDF behalten: Blättern rendert meist dieselbe Datei
|
||||
let mut open_pdf: Option<(PathBuf, Pdf)> = None;
|
||||
while let Ok(request) = req_rx.recv() {
|
||||
if open_pdf.as_ref().map(|(p, _)| p) != Some(&request.path) {
|
||||
open_pdf = std::fs::read(&request.path)
|
||||
.map_err(|e| e.to_string())
|
||||
.and_then(open)
|
||||
.map_err(|e| eprintln!("[PDF] '{}': {e}", request.path.display()))
|
||||
.ok()
|
||||
.map(|pdf| (request.path.clone(), pdf));
|
||||
}
|
||||
let result = match &open_pdf {
|
||||
Some((_, pdf)) => render_page(pdf, request.page, DISPLAY_RENDER_PIXELS),
|
||||
None => Err("PDF kann nicht geöffnet werden".into()),
|
||||
};
|
||||
if res_tx.send((request.key, result)).is_err() {
|
||||
break;
|
||||
}
|
||||
on_ready();
|
||||
}
|
||||
})
|
||||
.expect("PDF-Render-Thread konnte nicht gestartet werden");
|
||||
Self {
|
||||
requests: req_tx,
|
||||
results: res_rx,
|
||||
pending: HashSet::new(),
|
||||
ready: HashMap::new(),
|
||||
}
|
||||
}
|
||||
|
||||
/// Rendert eine Seite vorab (z. B. die nächste), ohne auf das Ergebnis zu warten;
|
||||
/// [`Self::take`] liefert es später sofort.
|
||||
pub fn prefetch(&mut self, key: &str, path: PathBuf, page: usize) {
|
||||
self.collect();
|
||||
if self.ready.contains_key(key) || self.pending.contains(key) {
|
||||
return;
|
||||
}
|
||||
// Vorab gerenderte Seiten nicht unbegrenzt aufheben
|
||||
if self.ready.len() >= 2 {
|
||||
self.ready.clear();
|
||||
}
|
||||
self.request(key, path, page);
|
||||
}
|
||||
|
||||
fn collect(&mut self) {
|
||||
while let Ok((done, result)) = self.results.try_recv() {
|
||||
self.pending.remove(&done);
|
||||
self.ready.insert(done, result);
|
||||
}
|
||||
}
|
||||
|
||||
/// Erteilt den Auftrag, falls noch keiner läuft. `false`, wenn der Thread beendet ist.
|
||||
fn request(&mut self, key: &str, path: PathBuf, page: usize) -> bool {
|
||||
if !self.pending.insert(key.to_string()) {
|
||||
return true;
|
||||
}
|
||||
let request = RenderRequest {
|
||||
key: key.to_string(),
|
||||
path,
|
||||
page,
|
||||
};
|
||||
if self.requests.send(request).is_err() {
|
||||
self.pending.remove(key);
|
||||
return false;
|
||||
}
|
||||
true
|
||||
}
|
||||
|
||||
/// Fertiges Ergebnis für `key` abholen; sonst den Auftrag (einmalig) erteilen und `None`.
|
||||
pub fn take(&mut self, key: &str, path: PathBuf, page: usize) -> Option<RenderResult> {
|
||||
self.collect();
|
||||
if let Some(result) = self.ready.remove(key) {
|
||||
return Some(result);
|
||||
}
|
||||
if !self.request(key, path, page) {
|
||||
return Some(Err("PDF-Render-Thread beendet".into()));
|
||||
}
|
||||
None
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
pub(crate) mod tests {
|
||||
use super::*;
|
||||
|
||||
/// Minimales gültiges PDF mit Seiten der angegebenen Größen (Punkt); jede Seite zeigt ein
|
||||
/// rotes Rechteck in der linken oberen Ecke. Optional mit `/Rotate`.
|
||||
pub(crate) fn sample_pdf(pages: &[(f32, f32, i32)]) -> Vec<u8> {
|
||||
let mut objects: Vec<String> = Vec::new();
|
||||
let n = pages.len();
|
||||
// 1: Katalog, 2: Seitenbaum, danach je Seite: Seite + Inhalt
|
||||
objects.push("<< /Type /Catalog /Pages 2 0 R >>".into());
|
||||
let kids: Vec<String> = (0..n).map(|i| format!("{} 0 R", 3 + 2 * i)).collect();
|
||||
objects.push(format!(
|
||||
"<< /Type /Pages /Kids [{}] /Count {n} >>",
|
||||
kids.join(" ")
|
||||
));
|
||||
for (i, (w, h, rotate)) in pages.iter().enumerate() {
|
||||
let content_id = 4 + 2 * i;
|
||||
objects.push(format!(
|
||||
"<< /Type /Page /Parent 2 0 R /MediaBox [0 0 {w} {h}] /Rotate {rotate} /Contents {content_id} 0 R /Resources << >> >>"
|
||||
));
|
||||
let content = format!("1 0 0 rg 0 {} 40 40 re f", h - 40.0);
|
||||
objects.push(format!(
|
||||
"<< /Length {} >>\nstream\n{content}\nendstream",
|
||||
content.len()
|
||||
));
|
||||
}
|
||||
let mut out = b"%PDF-1.4\n".to_vec();
|
||||
let mut offsets = Vec::new();
|
||||
for (i, obj) in objects.iter().enumerate() {
|
||||
offsets.push(out.len());
|
||||
out.extend_from_slice(format!("{} 0 obj\n{obj}\nendobj\n", i + 1).as_bytes());
|
||||
}
|
||||
let xref_pos = out.len();
|
||||
out.extend_from_slice(
|
||||
format!("xref\n0 {}\n0000000000 65535 f \n", objects.len() + 1).as_bytes(),
|
||||
);
|
||||
for off in offsets {
|
||||
out.extend_from_slice(format!("{off:010} 00000 n \n").as_bytes());
|
||||
}
|
||||
out.extend_from_slice(
|
||||
format!(
|
||||
"trailer\n<< /Size {} /Root 1 0 R >>\nstartxref\n{xref_pos}\n%%EOF\n",
|
||||
objects.len() + 1
|
||||
)
|
||||
.as_bytes(),
|
||||
);
|
||||
out
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_page_sizes_and_errors() {
|
||||
let pdf = sample_pdf(&[(595.0, 842.0, 0), (842.0, 595.0, 0), (595.0, 842.0, 90)]);
|
||||
let sizes = page_sizes(pdf).unwrap();
|
||||
assert_eq!(sizes, vec![(595.0, 842.0), (842.0, 595.0), (842.0, 595.0)]);
|
||||
assert!(page_sizes(b"kein pdf".to_vec()).is_err());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_render_page_draws_content() {
|
||||
let pdf = open(sample_pdf(&[(200.0, 100.0, 0)])).unwrap();
|
||||
let image = render_page(&pdf, 0, 400).unwrap();
|
||||
assert_eq!((image.width, image.height), (400, 200));
|
||||
let px = |x: u32, y: u32| {
|
||||
let i = ((y * image.width + x) * 4) as usize;
|
||||
&image.pixels[i..i + 4]
|
||||
};
|
||||
// Rotes Quadrat oben links, sonst weiß
|
||||
assert_eq!(px(20, 20), &[255, 0, 0, 255]);
|
||||
assert_eq!(px(300, 150), &[255, 255, 255, 255]);
|
||||
assert!(render_page(&pdf, 5, 400).is_err());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_render_service_delivers_in_background() {
|
||||
let dir = tempfile::tempdir().unwrap();
|
||||
let path = dir.path().join("a.pdf");
|
||||
std::fs::write(&path, sample_pdf(&[(400.0, 300.0, 0)])).unwrap();
|
||||
let (wake_tx, wake_rx) = mpsc::channel();
|
||||
let mut service = PdfRenderService::new(move || {
|
||||
let _ = wake_tx.send(());
|
||||
});
|
||||
assert!(service.take("a#0", path.clone(), 0).is_none());
|
||||
// Zweite Anfrage erteilt keinen weiteren Auftrag
|
||||
assert!(service.take("a#0", path.clone(), 0).is_none());
|
||||
wake_rx
|
||||
.recv_timeout(std::time::Duration::from_secs(20))
|
||||
.unwrap();
|
||||
let image = service.take("a#0", path.clone(), 0).unwrap().unwrap();
|
||||
assert_eq!(image.width, DISPLAY_RENDER_PIXELS);
|
||||
|
||||
// Vorab rendern: danach sofort verfügbar
|
||||
service.prefetch("a#0", path.clone(), 0);
|
||||
wake_rx
|
||||
.recv_timeout(std::time::Duration::from_secs(20))
|
||||
.unwrap();
|
||||
assert!(service.take("a#0", path, 0).unwrap().is_ok());
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,383 @@
|
||||
//! Legt beim PDF-Export die Originalseiten importierter PDFs als Vektorgrafik unter die
|
||||
//! Notizen (Text bleibt scharf und auswählbar).
|
||||
//!
|
||||
//! Vorgehen: Das von printpdf erzeugte PDF wird mit `lopdf` geöffnet. Jede benötigte Seite
|
||||
//! des Quell-PDFs wird als Form-XObject (Inhalt + Ressourcen der Seite) übernommen und am
|
||||
//! Anfang der Zielseite gezeichnet, also unter Hintergrund, Bildern und Tinte.
|
||||
|
||||
use std::collections::{BTreeMap, HashMap};
|
||||
|
||||
use printpdf::lopdf::{Dictionary, Document, Object, ObjectId, Stream};
|
||||
|
||||
/// Eine Zielseite, unter die eine Seite eines Quell-PDFs gelegt wird.
|
||||
#[derive(Debug, Clone, PartialEq)]
|
||||
pub struct Underlay {
|
||||
/// Seitennummer im Ziel-PDF, ab 0
|
||||
pub target_page: usize,
|
||||
/// Schlüssel des Quell-PDFs in `sources`
|
||||
pub source: String,
|
||||
/// Seitennummer im Quell-PDF, ab 0
|
||||
pub source_page: usize,
|
||||
/// Zielrechteck in PDF-Punkten (links, unten, Breite, Höhe; Ursprung unten links)
|
||||
pub rect: [f32; 4],
|
||||
}
|
||||
|
||||
/// Nicht übernommene Unterlagen samt Grund.
|
||||
pub type FailedUnderlays = Vec<(Underlay, String)>;
|
||||
|
||||
/// Affine PDF-Matrix `[a b c d e f]`: x' = a·x + c·y + e, y' = b·x + d·y + f.
|
||||
pub type Matrix = [f32; 6];
|
||||
|
||||
/// `outer ∘ inner`: erst `inner`, dann `outer` anwenden.
|
||||
pub fn compose(outer: Matrix, inner: Matrix) -> Matrix {
|
||||
let [a1, b1, c1, d1, e1, f1] = outer;
|
||||
let [a2, b2, c2, d2, e2, f2] = inner;
|
||||
[
|
||||
a1 * a2 + c1 * b2,
|
||||
b1 * a2 + d1 * b2,
|
||||
a1 * c2 + c1 * d2,
|
||||
b1 * c2 + d1 * d2,
|
||||
a1 * e2 + c1 * f2 + e1,
|
||||
b1 * e2 + d1 * f2 + f1,
|
||||
]
|
||||
}
|
||||
|
||||
/// Matrix, die den Seitenbereich `bbox` (links, unten, rechts, oben) einer um `rotate` Grad
|
||||
/// im Uhrzeigersinn gedrehten Seite so abbildet, wie ein Betrachter sie zeigt, eingepasst
|
||||
/// in `rect` (links, unten, Breite, Höhe).
|
||||
pub fn placement_matrix(bbox: [f32; 4], rotate: i64, rect: [f32; 4]) -> Matrix {
|
||||
let (w, h) = ((bbox[2] - bbox[0]).max(1e-3), (bbox[3] - bbox[1]).max(1e-3));
|
||||
let to_origin = [1.0, 0.0, 0.0, 1.0, -bbox[0], -bbox[1]];
|
||||
let (rotation, shown_w, shown_h): (Matrix, f32, f32) = match rotate.rem_euclid(360) {
|
||||
90 => ([0.0, -1.0, 1.0, 0.0, 0.0, w], h, w),
|
||||
180 => ([-1.0, 0.0, 0.0, -1.0, w, h], w, h),
|
||||
270 => ([0.0, 1.0, -1.0, 0.0, h, 0.0], h, w),
|
||||
_ => ([1.0, 0.0, 0.0, 1.0, 0.0, 0.0], w, h),
|
||||
};
|
||||
let scale = (rect[2] / shown_w).min(rect[3] / shown_h);
|
||||
let place = [scale, 0.0, 0.0, scale, rect[0], rect[1]];
|
||||
compose(place, compose(rotation, to_origin))
|
||||
}
|
||||
|
||||
/// Erbt ein Seitenattribut über die `Parent`-Kette.
|
||||
fn inherited<'a>(doc: &'a Document, page: &'a Dictionary, key: &[u8]) -> Option<&'a Object> {
|
||||
let mut node = page;
|
||||
for _ in 0..64 {
|
||||
if let Ok(value) = node.get(key) {
|
||||
return Some(value);
|
||||
}
|
||||
let parent = node.get(b"Parent").and_then(Object::as_reference).ok()?;
|
||||
node = doc.get_dictionary(parent).ok()?;
|
||||
}
|
||||
None
|
||||
}
|
||||
|
||||
fn resolve<'a>(doc: &'a Document, object: &'a Object) -> &'a Object {
|
||||
doc.dereference(object).map(|(_, o)| o).unwrap_or(object)
|
||||
}
|
||||
|
||||
fn read_box(doc: &Document, object: Option<&Object>) -> Option<[f32; 4]> {
|
||||
let array = resolve(doc, object?).as_array().ok()?;
|
||||
let values: Vec<f32> = array
|
||||
.iter()
|
||||
.filter_map(|v| resolve(doc, v).as_float().ok())
|
||||
.collect();
|
||||
let [x0, y0, x1, y1] = <[f32; 4]>::try_from(values).ok()?;
|
||||
Some([x0.min(x1), y0.min(y1), x0.max(x1), y0.max(y1)])
|
||||
}
|
||||
|
||||
/// Baut aus einer Seite des (bereits umnummerierten) Quelldokuments ein Form-XObject.
|
||||
/// Liefert das XObject und die Matrix für die Platzierung in `rect`.
|
||||
fn page_as_form(
|
||||
doc: &Document,
|
||||
page_id: ObjectId,
|
||||
rect: [f32; 4],
|
||||
) -> Result<(Stream, Matrix), String> {
|
||||
let page = doc.get_dictionary(page_id).map_err(|e| e.to_string())?;
|
||||
let media =
|
||||
read_box(doc, inherited(doc, page, b"MediaBox")).unwrap_or([0.0, 0.0, 595.0, 842.0]);
|
||||
let bbox = match read_box(doc, inherited(doc, page, b"CropBox")) {
|
||||
// Sichtbarer Bereich: Schnitt aus Crop- und Media-Box
|
||||
Some(c) => [
|
||||
c[0].max(media[0]),
|
||||
c[1].max(media[1]),
|
||||
c[2].min(media[2]),
|
||||
c[3].min(media[3]),
|
||||
],
|
||||
None => media,
|
||||
};
|
||||
let rotate = inherited(doc, page, b"Rotate")
|
||||
.and_then(|r| resolve(doc, r).as_i64().ok())
|
||||
.unwrap_or(0);
|
||||
let resources = inherited(doc, page, b"Resources")
|
||||
.cloned()
|
||||
.unwrap_or_else(|| Object::Dictionary(Dictionary::new()));
|
||||
|
||||
// Ein einzelner Inhaltsstrom wird unverändert (samt Kompression) übernommen,
|
||||
// mehrere werden entpackt und aneinandergehängt
|
||||
let streams = doc.get_page_contents(page_id);
|
||||
let (content, filter) = match streams.as_slice() {
|
||||
[single] => {
|
||||
let stream = doc
|
||||
.get_object(*single)
|
||||
.and_then(Object::as_stream)
|
||||
.map_err(|e| e.to_string())?;
|
||||
let filter = ["Filter", "DecodeParms"]
|
||||
.into_iter()
|
||||
.filter_map(|k| Some((k, stream.dict.get(k.as_bytes()).ok()?.clone())))
|
||||
.collect::<Vec<_>>();
|
||||
(stream.content.clone(), filter)
|
||||
}
|
||||
_ => {
|
||||
let mut content = Vec::new();
|
||||
for id in streams {
|
||||
let stream = doc
|
||||
.get_object(id)
|
||||
.and_then(Object::as_stream)
|
||||
.map_err(|e| e.to_string())?;
|
||||
let data = stream
|
||||
.decompressed_content()
|
||||
.map_err(|e| format!("Inhalt nicht lesbar: {e}"))?;
|
||||
content.extend_from_slice(&data);
|
||||
content.push(b'\n');
|
||||
}
|
||||
(content, Vec::new())
|
||||
}
|
||||
};
|
||||
|
||||
let mut dict = Dictionary::new();
|
||||
dict.set("Type", Object::Name(b"XObject".to_vec()));
|
||||
dict.set("Subtype", Object::Name(b"Form".to_vec()));
|
||||
dict.set(
|
||||
"BBox",
|
||||
Object::Array(bbox.iter().map(|&v| Object::Real(v)).collect()),
|
||||
);
|
||||
dict.set("Resources", resources);
|
||||
for (key, value) in filter {
|
||||
dict.set(key, value);
|
||||
}
|
||||
Ok((
|
||||
Stream::new(dict, content),
|
||||
placement_matrix(bbox, rotate, rect),
|
||||
))
|
||||
}
|
||||
|
||||
/// Legt die Quellseiten unter die Zielseiten. `sources` enthält die Quell-PDFs als Bytes.
|
||||
/// Gibt die neuen PDF-Bytes zurück und die Underlays, die nicht übernommen werden konnten
|
||||
/// (z. B. verschlüsselte PDFs), samt Grund.
|
||||
pub fn apply_underlays(
|
||||
target_bytes: &[u8],
|
||||
underlays: &[Underlay],
|
||||
sources: &HashMap<String, Vec<u8>>,
|
||||
) -> Result<(Vec<u8>, FailedUnderlays), String> {
|
||||
let mut target = Document::load_mem(target_bytes).map_err(|e| e.to_string())?;
|
||||
let target_pages: Vec<ObjectId> = target.get_pages().into_values().collect();
|
||||
let mut failed = Vec::new();
|
||||
|
||||
// Quell-PDFs einmal laden und mit freien Objektnummern in das Ziel übernehmen
|
||||
let mut loaded: HashMap<&str, Result<BTreeMap<u32, ObjectId>, String>> = HashMap::new();
|
||||
for underlay in underlays {
|
||||
if loaded.contains_key(underlay.source.as_str()) {
|
||||
continue;
|
||||
}
|
||||
let result = (|| {
|
||||
let bytes = sources
|
||||
.get(&underlay.source)
|
||||
.ok_or_else(|| "Quell-PDF fehlt".to_string())?;
|
||||
let mut source = Document::load_mem(bytes).map_err(|e| e.to_string())?;
|
||||
if source.is_encrypted() {
|
||||
return Err("Quell-PDF ist verschlüsselt".to_string());
|
||||
}
|
||||
source.renumber_objects_with(target.max_id + 1);
|
||||
let pages = source.get_pages();
|
||||
target.max_id = target.max_id.max(source.max_id);
|
||||
// Katalog und Seitenbaum der Quelle werden nicht referenziert und beim Speichern
|
||||
// mit `prune_objects` entfernt
|
||||
target.objects.extend(source.objects);
|
||||
Ok(pages)
|
||||
})();
|
||||
loaded.insert(&underlay.source, result);
|
||||
}
|
||||
|
||||
for underlay in underlays {
|
||||
let result = (|| {
|
||||
let pages = loaded[underlay.source.as_str()]
|
||||
.as_ref()
|
||||
.map_err(Clone::clone)?;
|
||||
let source_page = *pages
|
||||
.get(&(underlay.source_page as u32 + 1))
|
||||
.ok_or_else(|| format!("Seite {} fehlt im Quell-PDF", underlay.source_page + 1))?;
|
||||
let target_page = *target_pages
|
||||
.get(underlay.target_page)
|
||||
.ok_or_else(|| "Zielseite fehlt".to_string())?;
|
||||
let (form, matrix) = page_as_form(&target, source_page, underlay.rect)?;
|
||||
let form_id = target.add_object(Object::Stream(form));
|
||||
let name = format!("InkPdf{}", form_id.0);
|
||||
add_xobject(&mut target, target_page, &name, form_id)?;
|
||||
let ops = format!(
|
||||
"q {} {} {} {} {} {} cm /{name} Do Q\n",
|
||||
matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]
|
||||
);
|
||||
prepend_content(&mut target, target_page, ops.into_bytes())
|
||||
})();
|
||||
if let Err(err) = result {
|
||||
failed.push((underlay.clone(), err));
|
||||
}
|
||||
}
|
||||
|
||||
target.prune_objects();
|
||||
// Neue, noch unkomprimierte Ströme packen (bereits gefilterte bleiben unverändert)
|
||||
target.compress();
|
||||
let mut out = Vec::new();
|
||||
target.save_to(&mut out).map_err(|e| e.to_string())?;
|
||||
Ok((out, failed))
|
||||
}
|
||||
|
||||
/// Trägt ein XObject in die Ressourcen der Seite ein.
|
||||
fn add_xobject(
|
||||
doc: &mut Document,
|
||||
page_id: ObjectId,
|
||||
name: &str,
|
||||
id: ObjectId,
|
||||
) -> Result<(), String> {
|
||||
// Ressourcen der Seite als eigenes Wörterbuch an der Seite (geerbte werden übernommen)
|
||||
let resources = {
|
||||
let page = doc.get_dictionary(page_id).map_err(|e| e.to_string())?;
|
||||
match inherited(doc, page, b"Resources").map(|r| resolve(doc, r)) {
|
||||
Some(Object::Dictionary(d)) => d.clone(),
|
||||
_ => Dictionary::new(),
|
||||
}
|
||||
};
|
||||
let mut xobjects = match resources.get(b"XObject").map(|x| resolve(doc, x)) {
|
||||
Ok(Object::Dictionary(d)) => d.clone(),
|
||||
_ => Dictionary::new(),
|
||||
};
|
||||
xobjects.set(name, Object::Reference(id));
|
||||
let mut resources = resources;
|
||||
resources.set("XObject", Object::Dictionary(xobjects));
|
||||
let page = doc
|
||||
.get_object_mut(page_id)
|
||||
.and_then(Object::as_dict_mut)
|
||||
.map_err(|e| e.to_string())?;
|
||||
page.set("Resources", Object::Dictionary(resources));
|
||||
Ok(())
|
||||
}
|
||||
|
||||
/// Stellt einen Inhaltsstrom an den Anfang der Seite (zeichnet also zuunterst).
|
||||
fn prepend_content(doc: &mut Document, page_id: ObjectId, content: Vec<u8>) -> Result<(), String> {
|
||||
let existing: Vec<Object> = doc
|
||||
.get_page_contents(page_id)
|
||||
.into_iter()
|
||||
.map(Object::Reference)
|
||||
.collect();
|
||||
let id = doc.add_object(Object::Stream(Stream::new(Dictionary::new(), content)));
|
||||
let mut contents = vec![Object::Reference(id)];
|
||||
contents.extend(existing);
|
||||
let page = doc
|
||||
.get_object_mut(page_id)
|
||||
.and_then(Object::as_dict_mut)
|
||||
.map_err(|e| e.to_string())?;
|
||||
page.set("Contents", Object::Array(contents));
|
||||
Ok(())
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
||||
fn apply(m: Matrix, x: f32, y: f32) -> (f32, f32) {
|
||||
(m[0] * x + m[2] * y + m[4], m[1] * x + m[3] * y + m[5])
|
||||
}
|
||||
|
||||
fn close(a: (f32, f32), b: (f32, f32)) -> bool {
|
||||
(a.0 - b.0).abs() < 1e-3 && (a.1 - b.1).abs() < 1e-3
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_placement_matrix() {
|
||||
// Querformat-Folie 800 × 600 ohne Drehung in ein 400 × 300-Rechteck bei (10, 20)
|
||||
let m = placement_matrix([0.0, 0.0, 800.0, 600.0], 0, [10.0, 20.0, 400.0, 300.0]);
|
||||
assert!(close(apply(m, 0.0, 0.0), (10.0, 20.0)));
|
||||
assert!(close(apply(m, 800.0, 600.0), (410.0, 320.0)));
|
||||
|
||||
// Verschobene MediaBox
|
||||
let m = placement_matrix([100.0, 50.0, 300.0, 150.0], 0, [0.0, 0.0, 200.0, 100.0]);
|
||||
assert!(close(apply(m, 100.0, 50.0), (0.0, 0.0)));
|
||||
|
||||
// Um 90° gedrehte Hochformatseite (200 × 400) erscheint quer (400 × 200):
|
||||
// die linke untere Ecke landet links oben
|
||||
let m = placement_matrix([0.0, 0.0, 200.0, 400.0], 90, [0.0, 0.0, 400.0, 200.0]);
|
||||
assert!(close(apply(m, 0.0, 0.0), (0.0, 200.0)));
|
||||
assert!(close(apply(m, 200.0, 0.0), (0.0, 0.0)));
|
||||
assert!(close(apply(m, 0.0, 400.0), (400.0, 200.0)));
|
||||
|
||||
// 180° und 270° (= -90°)
|
||||
let m = placement_matrix([0.0, 0.0, 200.0, 400.0], 180, [0.0, 0.0, 200.0, 400.0]);
|
||||
assert!(close(apply(m, 0.0, 0.0), (200.0, 400.0)));
|
||||
let m = placement_matrix([0.0, 0.0, 200.0, 400.0], -90, [0.0, 0.0, 400.0, 200.0]);
|
||||
assert!(close(apply(m, 0.0, 0.0), (400.0, 0.0)));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_apply_underlays_embeds_source_pages() {
|
||||
let source = crate::pdf_doc::tests::sample_pdf(&[(842.0, 595.0, 0), (595.0, 842.0, 0)]);
|
||||
let target = crate::pdf_doc::tests::sample_pdf(&[(595.0, 842.0, 0), (595.0, 842.0, 0)]);
|
||||
let sources = HashMap::from([("folien".to_string(), source)]);
|
||||
let underlays = vec![
|
||||
Underlay {
|
||||
target_page: 0,
|
||||
source: "folien".into(),
|
||||
source_page: 0,
|
||||
rect: [0.0, 421.0, 595.0, 421.0],
|
||||
},
|
||||
Underlay {
|
||||
target_page: 1,
|
||||
source: "folien".into(),
|
||||
source_page: 5,
|
||||
rect: [0.0, 0.0, 595.0, 842.0],
|
||||
},
|
||||
Underlay {
|
||||
target_page: 1,
|
||||
source: "fehlt".into(),
|
||||
source_page: 0,
|
||||
rect: [0.0, 0.0, 595.0, 842.0],
|
||||
},
|
||||
];
|
||||
let (bytes, failed) = apply_underlays(&target, &underlays, &sources).unwrap();
|
||||
// Fehlende Quellseite und fehlendes PDF werden gemeldet, der Rest klappt
|
||||
assert_eq!(failed.len(), 2);
|
||||
|
||||
let doc = Document::load_mem(&bytes).unwrap();
|
||||
let pages: Vec<ObjectId> = doc.get_pages().into_values().collect();
|
||||
assert_eq!(
|
||||
pages.len(),
|
||||
2,
|
||||
"Quellseiten dürfen nicht als eigene Seiten auftauchen"
|
||||
);
|
||||
let first = doc.get_page_content(pages[0]).unwrap();
|
||||
let text = String::from_utf8_lossy(&first);
|
||||
assert!(
|
||||
text.starts_with("q "),
|
||||
"Unterlage muss zuerst gezeichnet werden: {text}"
|
||||
);
|
||||
assert!(text.contains("Do Q"));
|
||||
// Ursprünglicher Seiteninhalt bleibt erhalten
|
||||
assert!(text.contains("re f"));
|
||||
|
||||
// Form-XObject mit dem Inhalt der Folie ist in den Ressourcen eingetragen
|
||||
let page = doc.get_dictionary(pages[0]).unwrap();
|
||||
let resources = page.get(b"Resources").unwrap().as_dict().unwrap();
|
||||
let xobjects = resources.get(b"XObject").unwrap().as_dict().unwrap();
|
||||
let (_, form_ref) = xobjects.iter().next().unwrap();
|
||||
let form = doc
|
||||
.get_object(form_ref.as_reference().unwrap())
|
||||
.unwrap()
|
||||
.as_stream()
|
||||
.unwrap();
|
||||
assert_eq!(
|
||||
form.dict.get(b"Subtype").unwrap().as_name().unwrap(),
|
||||
b"Form"
|
||||
);
|
||||
assert!(String::from_utf8_lossy(&form.content).contains("1 0 0 rg"));
|
||||
}
|
||||
}
|
||||
+87
-2
@@ -151,7 +151,8 @@ impl StrokeData {
|
||||
/// - Version 4: eingefügte Bilder (`image` am Strich, Ordner `assets/`). Ältere Versionen würden
|
||||
/// das unbekannte Feld ignorieren, Bilder als Rechteckstrich anzeigen und beim Speichern
|
||||
/// verlieren.
|
||||
pub const CURRENT_FORMAT_VERSION: u32 = 4;
|
||||
/// - Version 5: importierte PDF-Seiten als Seitenhintergrund (`pdf_background`).
|
||||
pub const CURRENT_FORMAT_VERSION: u32 = 5;
|
||||
|
||||
/// Standardwert für ältere Dateien ohne explizite Formatversion (Legacy v0).
|
||||
pub fn legacy_format_version() -> u32 {
|
||||
@@ -165,6 +166,9 @@ pub struct PageData {
|
||||
pub format_version: u32,
|
||||
pub id: u64,
|
||||
pub background: PageBackground,
|
||||
/// Importierte PDF-Seite als Hintergrund
|
||||
#[serde(default, skip_serializing_if = "Option::is_none")]
|
||||
pub pdf_background: Option<crate::document::PdfBackground>,
|
||||
pub strokes: Vec<StrokeData>,
|
||||
}
|
||||
|
||||
@@ -174,6 +178,7 @@ impl From<&Page> for PageData {
|
||||
format_version: CURRENT_FORMAT_VERSION,
|
||||
id: page.id,
|
||||
background: page.background,
|
||||
pdf_background: page.pdf_background.clone(),
|
||||
strokes: page.strokes.iter().map(StrokeData::from).collect(),
|
||||
}
|
||||
}
|
||||
@@ -183,6 +188,7 @@ impl PageData {
|
||||
/// Wandelt die Seitendaten in eine runtime-aktive `Page` mit initialisiertem Cache um.
|
||||
pub fn to_page(&self) -> Page {
|
||||
let mut page = Page::new(self.id, self.background);
|
||||
page.pdf_background = self.pdf_background.clone();
|
||||
for stroke_data in &self.strokes {
|
||||
page.strokes.push(stroke_data.to_stroke());
|
||||
}
|
||||
@@ -1056,6 +1062,50 @@ pub fn create_new_notebook(
|
||||
Ok((notebook, manifest, notebook_dir))
|
||||
}
|
||||
|
||||
/// Legt ein neues Notizbuch aus einem PDF an: eine Seite je PDF-Seite, die PDF-Seite als
|
||||
/// Hintergrund. Das PDF wird unverändert im Asset-Ordner abgelegt; alle Seiten werden sofort
|
||||
/// gespeichert.
|
||||
pub fn create_notebook_from_pdf(
|
||||
base_dir: &Path,
|
||||
title: &str,
|
||||
pdf_bytes: Vec<u8>,
|
||||
) -> Result<(Notebook, NotebookManifest, PathBuf), String> {
|
||||
let sizes = crate::pdf_doc::page_sizes(pdf_bytes.clone())?;
|
||||
let (_, _, dir) = create_new_notebook(base_dir, title).map_err(|e| e.to_string())?;
|
||||
let result = (|| {
|
||||
let asset = crate::assets::AssetStore::new(&dir)
|
||||
.import_pdf(&pdf_bytes)
|
||||
.map_err(|e| e.to_string())?;
|
||||
let pages: Vec<Page> = sizes
|
||||
.iter()
|
||||
.enumerate()
|
||||
.map(|(i, &(width_pt, height_pt))| {
|
||||
let mut page = Page::new(i as u64 + 1, PageBackground::Blank);
|
||||
page.pdf_background = Some(crate::document::PdfBackground {
|
||||
asset: asset.clone(),
|
||||
page: i as u32,
|
||||
width_pt,
|
||||
height_pt,
|
||||
});
|
||||
page
|
||||
})
|
||||
.collect();
|
||||
let page_count = pages.len() as u64;
|
||||
let notebook = Notebook::from_pages(pages, 0, 1, page_count + 1);
|
||||
let mut manifest = load_manifest(&dir).map_err(|e| e.to_string())?;
|
||||
save_notebook(&dir, ¬ebook, &mut manifest).map_err(|e| e.to_string())?;
|
||||
Ok((notebook, manifest))
|
||||
})();
|
||||
match result {
|
||||
Ok((notebook, manifest)) => Ok((notebook, manifest, dir)),
|
||||
Err(err) => {
|
||||
// Halbfertiges Notizbuch nicht liegen lassen
|
||||
let _ = fs::remove_dir_all(&dir);
|
||||
Err(err)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Benennt ein Notizbuch um und aktualisiert das Manifest atomar auf der Festplatte.
|
||||
pub fn rename_notebook(
|
||||
notebook_dir: &Path,
|
||||
@@ -2354,7 +2404,10 @@ mod tests {
|
||||
corners,
|
||||
));
|
||||
save_notebook(&dir, ¬ebook, &mut manifest).unwrap();
|
||||
assert_eq!(load_manifest(&dir).unwrap().format_version, 4);
|
||||
assert_eq!(
|
||||
load_manifest(&dir).unwrap().format_version,
|
||||
CURRENT_FORMAT_VERSION
|
||||
);
|
||||
|
||||
let (reloaded, _) = load_notebook(&dir).unwrap();
|
||||
let image = &reloaded.current_page().strokes[0];
|
||||
@@ -2364,4 +2417,36 @@ mod tests {
|
||||
// Bilddatei liegt im Notizbuchordner
|
||||
assert!(dir.join("assets").join(&imported.asset).exists());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_create_notebook_from_pdf() {
|
||||
let temp_dir = tempfile::tempdir().unwrap();
|
||||
let pdf = crate::pdf_doc::tests::sample_pdf(&[(842.0, 595.0, 0), (595.0, 842.0, 0)]);
|
||||
let (notebook, manifest, dir) =
|
||||
create_notebook_from_pdf(temp_dir.path(), "Vorlesung 3", pdf.clone()).unwrap();
|
||||
assert_eq!(manifest.title, "Vorlesung 3");
|
||||
assert_eq!(notebook.pages.len(), 2);
|
||||
assert_eq!(notebook.next_page_id, 3);
|
||||
|
||||
// Nach dem Neuladen: jede Seite verweist auf ihre PDF-Seite, das PDF liegt unverändert
|
||||
// im Asset-Ordner
|
||||
let (mut reloaded, _) = load_notebook(&dir).unwrap();
|
||||
load_all_pages(&dir, &mut reloaded).unwrap();
|
||||
for (i, page) in reloaded.pages.iter().enumerate() {
|
||||
let bg = page.pdf_background.as_ref().expect("PDF-Hintergrund fehlt");
|
||||
assert_eq!(bg.page, i as u32);
|
||||
assert_eq!(page.background, PageBackground::Blank);
|
||||
}
|
||||
let first = reloaded.pages[0].pdf_background.clone().unwrap();
|
||||
assert_eq!((first.width_pt, first.height_pt), (842.0, 595.0));
|
||||
let assets = crate::assets::AssetStore::new(&dir);
|
||||
assert_eq!(assets.read_bytes(&first.asset).unwrap(), pdf);
|
||||
|
||||
// Kein PDF: Fehler und kein halbfertiges Notizbuch
|
||||
let before = std::fs::read_dir(temp_dir.path()).unwrap().count();
|
||||
assert!(
|
||||
create_notebook_from_pdf(temp_dir.path(), "Kaputt", b"%PDF-kaputt".to_vec()).is_err()
|
||||
);
|
||||
assert_eq!(std::fs::read_dir(temp_dir.path()).unwrap().count(), before);
|
||||
}
|
||||
}
|
||||
|
||||
@@ -16,7 +16,7 @@ use crate::background::{adapt_ink_color, PaperTheme};
|
||||
use crate::document::{
|
||||
EraserMode, Notebook, Page, PageBackground, StrokeTool, PAGE_HEIGHT, PAGE_WIDTH,
|
||||
};
|
||||
use crate::file_picker::FilePicker;
|
||||
use crate::file_picker::{FilePicker, PickerKind};
|
||||
use crate::settings::{PressureCurve, SidebarSide};
|
||||
use crate::storage::NotebookSummary;
|
||||
|
||||
@@ -154,6 +154,8 @@ pub enum UiAction {
|
||||
SavePressureCurve(PressureCurve),
|
||||
/// Bilddatei auf der aktuellen Seite einfügen
|
||||
InsertImageFile(std::path::PathBuf),
|
||||
/// PDF als neues Notizbuch importieren
|
||||
ImportPdf(std::path::PathBuf),
|
||||
// Beenden-Sicherheit bei Fehlschlag
|
||||
RetryShutdown,
|
||||
ExportRecoveryAndExit,
|
||||
@@ -215,10 +217,13 @@ pub struct UiState {
|
||||
pub pressure_curve: PressureCurve,
|
||||
/// Zuletzt gemessener Rohdruck des Stifts (Anzeige in der Druckkurve)
|
||||
pub last_raw_pressure: Option<f32>,
|
||||
/// Geöffnete Dateiauswahl „Bild einfügen“
|
||||
pub image_picker: Option<FilePicker>,
|
||||
/// Geöffnete Dateiauswahl („Bild einfügen“ oder „PDF importieren“)
|
||||
pub file_picker: Option<FilePicker>,
|
||||
/// Aktionen, die außerhalb der Oberfläche ausgelöst wurden (z. B. ins Fenster gezogene
|
||||
/// PDF-Datei); `render_ui` gibt sie beim nächsten Bild mit aus
|
||||
pub queued_actions: Vec<UiAction>,
|
||||
/// Zuletzt in der Dateiauswahl benutzter Ordner (während der Sitzung)
|
||||
pub last_image_dir: Option<std::path::PathBuf>,
|
||||
pub last_picker_dir: Option<std::path::PathBuf>,
|
||||
}
|
||||
|
||||
impl Default for UiState {
|
||||
@@ -259,8 +264,9 @@ impl Default for UiState {
|
||||
adapt_ink_colors: true,
|
||||
pressure_curve: PressureCurve::default(),
|
||||
last_raw_pressure: None,
|
||||
image_picker: None,
|
||||
last_image_dir: None,
|
||||
file_picker: None,
|
||||
queued_actions: Vec::new(),
|
||||
last_picker_dir: None,
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -282,14 +288,23 @@ impl UiState {
|
||||
self.show_page_jump_popup = false;
|
||||
self.is_document_menu_open = false;
|
||||
self.is_update_dialog_open = false;
|
||||
self.image_picker = None;
|
||||
self.file_picker = None;
|
||||
}
|
||||
|
||||
/// Öffnet die Dateiauswahl „Bild einfügen“ im zuletzt benutzten Ordner.
|
||||
pub fn open_image_picker(&mut self) {
|
||||
let dir = self.last_image_dir.clone();
|
||||
self.open_file_picker(PickerKind::Image);
|
||||
}
|
||||
|
||||
/// Öffnet die Dateiauswahl „PDF importieren“ im zuletzt benutzten Ordner.
|
||||
pub fn open_pdf_picker(&mut self) {
|
||||
self.open_file_picker(PickerKind::Pdf);
|
||||
}
|
||||
|
||||
fn open_file_picker(&mut self, kind: PickerKind) {
|
||||
let dir = self.last_picker_dir.clone();
|
||||
self.close_overlays();
|
||||
self.image_picker = Some(FilePicker::open(dir.as_deref()));
|
||||
self.file_picker = Some(FilePicker::open(kind, dir.as_deref()));
|
||||
}
|
||||
|
||||
/// Länge der längsten Farbpalette; so viel Platz hält die Leiste immer frei.
|
||||
@@ -775,6 +790,16 @@ pub fn page_thumbnail_shapes(
|
||||
let scale = rect.width() / PAGE_WIDTH;
|
||||
let to_screen = |p: glam::Vec2| rect.min + egui::vec2(p.x * scale, p.y * scale);
|
||||
|
||||
// Importierte PDF-Seite als helle Fläche mit Rand
|
||||
if let Some(pdf) = &page.pdf_background {
|
||||
let points: Vec<egui::Pos2> = pdf.corners().iter().map(|&c| to_screen(c)).collect();
|
||||
shapes.push(egui::Shape::convex_polygon(
|
||||
points,
|
||||
egui::Color32::from_rgb(236, 238, 243),
|
||||
egui::Stroke::new(0.8_f32, egui::Color32::from_gray(150)),
|
||||
));
|
||||
}
|
||||
|
||||
// Bilder als Flächen unter der Tinte
|
||||
for corners in page.strokes.iter().filter_map(|s| s.image_corners()) {
|
||||
shapes.push(egui::Shape::convex_polygon(
|
||||
@@ -979,20 +1004,39 @@ fn pressure_curve_editor(ui: &mut egui::Ui, state: &mut UiState) -> Option<Press
|
||||
save.then_some(state.pressure_curve)
|
||||
}
|
||||
|
||||
/// Dialog „Bild einfügen“: Schnellzugriffe, Ordnerpfad und Liste aus Ordnern und Bildern.
|
||||
fn image_picker_dialog(ctx: &egui::Context, state: &mut UiState, actions: &mut Vec<UiAction>) {
|
||||
/// Dialog „Bild einfügen“ bzw. „PDF importieren“: Schnellzugriffe, Ordnerpfad und Liste aus
|
||||
/// Ordnern und passenden Dateien.
|
||||
fn file_picker_dialog(ctx: &egui::Context, state: &mut UiState, actions: &mut Vec<UiAction>) {
|
||||
let mut close = false;
|
||||
let mut navigate: Option<std::path::PathBuf> = None;
|
||||
let mut go_up = false;
|
||||
let mut chosen: Option<std::path::PathBuf> = None;
|
||||
|
||||
let Some(picker) = state.image_picker.as_ref() else {
|
||||
let Some(picker) = state.file_picker.as_ref() else {
|
||||
return;
|
||||
};
|
||||
dialog_window("Bild einfügen", state, false).show(ctx, |ui| {
|
||||
let picker_kind = picker.kind;
|
||||
let (title, header, file_icon, empty_hint, tip) = match picker.kind {
|
||||
PickerKind::Image => (
|
||||
"Bild einfügen",
|
||||
"🖼 Bild einfügen",
|
||||
"🖼",
|
||||
"Keine Ordner oder Bilder (PNG, JPEG, GIF, WebP, BMP)",
|
||||
"Tipp: Screenshots mit Strg+V einfügen oder Bilddateien ins Fenster ziehen.",
|
||||
),
|
||||
PickerKind::Pdf => (
|
||||
"PDF importieren",
|
||||
"📄 PDF importieren",
|
||||
"📄",
|
||||
"Keine Ordner oder PDF-Dateien",
|
||||
"Das PDF wird als neues Notizbuch angelegt, eine Seite je PDF-Seite. \
|
||||
Beim Export liegen deine Notizen über den Originalseiten.",
|
||||
),
|
||||
};
|
||||
dialog_window(title, state, false).show(ctx, |ui| {
|
||||
ui.set_width(460.0);
|
||||
touch_friendly_spacing(ui);
|
||||
if dialog_header(ui, "🖼 Bild einfügen", true) {
|
||||
if dialog_header(ui, header, true) {
|
||||
close = true;
|
||||
}
|
||||
|
||||
@@ -1030,16 +1074,13 @@ fn image_picker_dialog(ctx: &egui::Context, state: &mut UiState, actions: &mut V
|
||||
.show(ui, |ui| {
|
||||
ui.set_width(ui.available_width());
|
||||
if picker.entries.is_empty() {
|
||||
ui.label(
|
||||
egui::RichText::new("Keine Ordner oder Bilder (PNG, JPEG, GIF, WebP, BMP)")
|
||||
.color(egui::Color32::from_gray(150)),
|
||||
);
|
||||
ui.label(egui::RichText::new(empty_hint).color(egui::Color32::from_gray(150)));
|
||||
}
|
||||
for entry in &picker.entries {
|
||||
let label = if entry.is_dir {
|
||||
format!("📁 {}", entry.name)
|
||||
} else {
|
||||
format!("🖼 {}", entry.name)
|
||||
format!("{file_icon} {}", entry.name)
|
||||
};
|
||||
let button = egui::Button::new(label)
|
||||
.frame(false)
|
||||
@@ -1057,15 +1098,13 @@ fn image_picker_dialog(ctx: &egui::Context, state: &mut UiState, actions: &mut V
|
||||
|
||||
ui.add_space(6.0);
|
||||
ui.label(
|
||||
egui::RichText::new(
|
||||
"Tipp: Screenshots mit Strg+V einfügen oder Bilddateien ins Fenster ziehen.",
|
||||
)
|
||||
.size(11.5)
|
||||
.color(egui::Color32::from_gray(150)),
|
||||
egui::RichText::new(tip)
|
||||
.size(11.5)
|
||||
.color(egui::Color32::from_gray(150)),
|
||||
);
|
||||
});
|
||||
|
||||
if let Some(picker) = state.image_picker.as_mut() {
|
||||
if let Some(picker) = state.file_picker.as_mut() {
|
||||
if go_up {
|
||||
picker.go_up();
|
||||
}
|
||||
@@ -1074,12 +1113,15 @@ fn image_picker_dialog(ctx: &egui::Context, state: &mut UiState, actions: &mut V
|
||||
}
|
||||
}
|
||||
if let Some(path) = chosen {
|
||||
state.last_image_dir = state.image_picker.as_ref().map(|p| p.dir.clone());
|
||||
actions.push(UiAction::InsertImageFile(path));
|
||||
state.last_picker_dir = state.file_picker.as_ref().map(|p| p.dir.clone());
|
||||
actions.push(match picker_kind {
|
||||
PickerKind::Image => UiAction::InsertImageFile(path),
|
||||
PickerKind::Pdf => UiAction::ImportPdf(path),
|
||||
});
|
||||
close = true;
|
||||
}
|
||||
if close {
|
||||
state.image_picker = None;
|
||||
state.file_picker = None;
|
||||
}
|
||||
}
|
||||
|
||||
@@ -1218,7 +1260,7 @@ pub fn render_ui(
|
||||
autosave_status: AutosaveStatus,
|
||||
updater: &crate::updater::UpdaterController,
|
||||
) -> Vec<UiAction> {
|
||||
let mut actions = Vec::new();
|
||||
let mut actions = std::mem::take(&mut state.queued_actions);
|
||||
|
||||
let mut pen_btn_rect = None;
|
||||
let mut high_btn_rect = None;
|
||||
@@ -1975,6 +2017,13 @@ pub fn render_ui(
|
||||
{
|
||||
state.open_image_picker();
|
||||
}
|
||||
if ui
|
||||
.add_sized([ui.available_width(), 30.0], egui::Button::new("📄 PDF importieren …"))
|
||||
.on_hover_text("Vorlesungsfolien, Übungsblätter oder Formulare als neues Notizbuch öffnen und darauf schreiben")
|
||||
.clicked()
|
||||
{
|
||||
state.open_pdf_picker();
|
||||
}
|
||||
|
||||
section(ui, "HINTERGRUND DIESER SEITE");
|
||||
let current_bg = notebook.current_page().background;
|
||||
@@ -2436,8 +2485,8 @@ pub fn render_ui(
|
||||
}
|
||||
|
||||
// 3c. Dateiauswahl „Bild einfügen“
|
||||
if state.image_picker.is_some() {
|
||||
image_picker_dialog(ctx, state, &mut actions);
|
||||
if state.file_picker.is_some() {
|
||||
file_picker_dialog(ctx, state, &mut actions);
|
||||
}
|
||||
|
||||
// 3c. Release- & Update-Center (Gitea Releases)
|
||||
|
||||
Reference in New Issue
Block a user