Accelerate current-view DXF export and keep desktop exports responsive (#1738)

Thanks @crono2250.

assets/locales/de.json

@@ -431,6 +431,18 @@
   "drive.stopped_by_contact": "Angehalten bei {value}: {a} würde {b} durchdringen",
   "drive.stopped_by_loop": "Angehalten bei {value}: die Schleife über {joint} lässt sich nicht weiter schließen",
   "drive.unconnected": "Bewegt nichts: {part} ist mit nichts Festgesetztem verbunden",
+  "dxf.cancel_wait": "Warten, bis der Export angehalten wurde…",
+  "dxf.cancelled": "DXF-Export abgebrochen",
+  "dxf.cancelling": "DXF-Export wird abgebrochen",
+  "dxf.exporting": "DXF wird exportiert",
+  "dxf.invalid_tolerance": "Die Kurventoleranz muss zwischen 0,0001 und 1 mm liegen.",
+  "dxf.progress.index": "Flächen vorbereiten (2/5)",
+  "dxf.progress.meshes": "Netze vorbereiten (1/5)",
+  "dxf.progress.occlusion": "Verdeckte Kanten ermitteln (4/5)",
+  "dxf.progress.projection": "Geometrie projizieren (3/5)",
+  "dxf.progress.write": "DXF schreiben (5/5)",
+  "dxf.tolerance": "Kurventoleranz",
+  "dxf.tolerance_help": "Nur sichtbare Körper. Kurven werden durch gerade Segmente angenähert. Eine kleinere Toleranz liefert feinere Kurven und benötigt mehr Zeit und Speicher.",
   "home.documentation": "Dokumentation",
   "home.in_this_browser": "in diesem Browser",
   "home.missing": "fehlt",

assets/locales/en.json

@@ -634,6 +634,18 @@
   "drive.stopped_by_contact": "Stopped at {value}: {a} would pass through {b}",
   "drive.stopped_by_loop": "Stopped at {value}: the loop through {joint} can't close any further",
   "drive.unconnected": "Moves nothing: {part} is not connected to anything grounded",
+  "dxf.cancel_wait": "Waiting for the export to stop…",
+  "dxf.cancelled": "DXF export cancelled",
+  "dxf.cancelling": "Cancelling DXF export",
+  "dxf.exporting": "Exporting DXF",
+  "dxf.invalid_tolerance": "Curve tolerance must be between 0.0001 and 1 mm.",
+  "dxf.progress.index": "Preparing surfaces (2/5)",
+  "dxf.progress.meshes": "Preparing meshes (1/5)",
+  "dxf.progress.occlusion": "Resolving hidden lines (4/5)",
+  "dxf.progress.projection": "Projecting geometry (3/5)",
+  "dxf.progress.write": "Writing DXF (5/5)",
+  "dxf.tolerance": "Curve tolerance",
+  "dxf.tolerance_help": "Visible bodies only. Curves use straight segments. Smaller tolerance gives finer curves and uses more time and memory.",
   "expression, e.g. 25 mm": "expression, e.g. 25 mm",
   "fits the face, e.g. M8": "fits the face, e.g. M8",
   "from the rule": "from the rule",

assets/locales/ja.json

@@ -634,6 +634,18 @@
   "drive.stopped_by_contact": "{value} で停止: {a} が {b} を通り抜けてしまいます",
   "drive.stopped_by_loop": "{value} で停止: {joint} を通るループはこれ以上閉じられません",
   "drive.unconnected": "何も動きません: {part} は空間固定されたものに接続されていません",
+  "dxf.cancel_wait": "出力処理の停止を待っています…",
+  "dxf.cancelled": "DXF出力をキャンセルしました",
+  "dxf.cancelling": "DXF出力をキャンセル中",
+  "dxf.exporting": "DXFを出力中",
+  "dxf.invalid_tolerance": "曲線の許容誤差は0.0001～1 mmで指定してください。",
+  "dxf.progress.index": "面データを準備中 (2/5)",
+  "dxf.progress.meshes": "メッシュを準備中 (1/5)",
+  "dxf.progress.occlusion": "隠線を判定中 (4/5)",
+  "dxf.progress.projection": "形状を投影中 (3/5)",
+  "dxf.progress.write": "DXFを書き込み中 (5/5)",
+  "dxf.tolerance": "曲線の許容誤差",
+  "dxf.tolerance_help": "表示中のボディを出力し、曲線は線分で近似します。許容誤差を小さくすると曲線が滑らかになりますが、処理時間とメモリ使用量が増えます。",
   "expression, e.g. 25 mm": "計算式 (例: 25 mm)",
   "fits the face, e.g. M8": "面に適合するサイズ (例: M8)",
   "from the rule": "ルールから",

assets/locales/ko.json

@@ -431,6 +431,18 @@
   "drive.stopped_by_contact": "{value}에서 멈춤: {a}이(가) {b}을(를) 통과하게 됩니다",
   "drive.stopped_by_loop": "{value}에서 멈춤: {joint}을(를) 지나는 루프를 더 이상 닫을 수 없습니다",
   "drive.unconnected": "아무것도 움직이지 않습니다: {part}이(가) 고정된 것에 연결되어 있지 않습니다",
+  "dxf.cancel_wait": "내보내기가 중지될 때까지 기다리는 중…",
+  "dxf.cancelled": "DXF 내보내기를 취소했습니다",
+  "dxf.cancelling": "DXF 내보내기 취소 중",
+  "dxf.exporting": "DXF 내보내는 중",
+  "dxf.invalid_tolerance": "곡선 허용 오차는 0.0001~1 mm 범위여야 합니다.",
+  "dxf.progress.index": "면 데이터 준비 중 (2/5)",
+  "dxf.progress.meshes": "메시 준비 중 (1/5)",
+  "dxf.progress.occlusion": "숨은선 판정 중 (4/5)",
+  "dxf.progress.projection": "형상 투영 중 (3/5)",
+  "dxf.progress.write": "DXF 쓰는 중 (5/5)",
+  "dxf.tolerance": "곡선 허용 오차",
+  "dxf.tolerance_help": "표시된 바디만 내보내며 곡선은 직선 구간으로 근사합니다. 허용 오차가 작을수록 곡선이 매끄러워지지만 처리 시간과 메모리 사용량이 늘어납니다.",
   "home.documentation": "문서",
   "home.in_this_browser": "이 브라우저에 저장됨",
   "home.missing": "찾을 수 없음",

assets/locales/zh.json

@@ -634,6 +634,18 @@
   "drive.stopped_by_contact": "停在 {value}：{a} 会穿过 {b}",
   "drive.stopped_by_loop": "停在 {value}：经过 {joint} 的环路无法再闭合",
   "drive.unconnected": "没有任何移动：{part} 未连接到任何固定的零部件",
+  "dxf.cancel_wait": "正在等待导出停止…",
+  "dxf.cancelled": "DXF 导出已取消",
+  "dxf.cancelling": "正在取消 DXF 导出",
+  "dxf.exporting": "正在导出 DXF",
+  "dxf.invalid_tolerance": "曲线公差必须介于 0.0001 和 1 mm 之间。",
+  "dxf.progress.index": "正在准备曲面 (2/5)",
+  "dxf.progress.meshes": "正在准备网格 (1/5)",
+  "dxf.progress.occlusion": "正在判定隐藏线 (4/5)",
+  "dxf.progress.projection": "正在投影几何体 (3/5)",
+  "dxf.progress.write": "正在写入 DXF (5/5)",
+  "dxf.tolerance": "曲线公差",
+  "dxf.tolerance_help": "仅导出可见实体。曲线使用直线段近似。公差越小，曲线越精细，但需要更多时间和内存。",
   "expression, e.g. 25 mm": "表达式，例如 25 mm",
   "fits the face, e.g. M8": "适配该面，例如 M8",
   "from the rule": "来自规则",