Cthulhu is no longer a fork. Now it is a screen reader written in Golang.

internal/preferences/ocr.go

@@ -0,0 +1,53 @@
+// Copyright (c) 2026 Storm Dragon
+// Authors: Storm Dragon, Angus Kola
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package preferences
+
+/*
+#include <stdlib.h>
+#include "native.h"
+*/
+import "C"
+
+import (
+	"unsafe"
+
+	"git.stormux.org/storm/cthulhu/internal/config"
+)
+
+func setOCRValues(value config.OCRSettings) {
+	id, content := C.CString("ocrLanguageEntry"), C.CString(value.Language)
+	C.prefs_entry_set(id, content)
+	C.free(unsafe.Pointer(id))
+	C.free(unsafe.Pointer(content))
+	setCombo("ocrLayoutCombo", map[int]int{3: 0, 6: 1, 11: 2}[value.Layout])
+	setSpin("ocrScaleSpinButton", float64(value.Scale))
+	setCheck("ocrGrayscaleCheckButton", value.Grayscale)
+	setCheck("ocrInvertCheckButton", value.Invert)
+	setCheck("ocrBlackWhiteCheckButton", value.BlackWhite)
+	setSpin("ocrBlackWhiteValueSpinButton", float64(value.Threshold))
+	setCheck("ocrAutoRefreshCheckButton", value.AutoRefresh)
+	setSpin("ocrRefreshIntervalSpinButton", float64(value.RefreshInterval))
+	setCheck("ocrConfirmClickCheckButton", value.ConfirmClick)
+	setCheck("ocrCopyToClipboardCheckButton", value.CopyFirstResult)
+	setCheck("ocrAutoReadAllCheckButton", value.AutoReadAll)
+}
+
+func getOCRValues() config.OCRSettings {
+	id := C.CString("ocrLanguageEntry")
+	language := C.GoString(C.prefs_entry_get(id))
+	C.free(unsafe.Pointer(id))
+	layout := 3
+	if index := getCombo("ocrLayoutCombo"); index >= 0 && index < 3 {
+		layout = []int{3, 6, 11}[index]
+	}
+	return config.OCRSettings{
+		Language: language, Layout: layout, Scale: int(getSpin("ocrScaleSpinButton")),
+		Grayscale: getCheck("ocrGrayscaleCheckButton"), Invert: getCheck("ocrInvertCheckButton"),
+		BlackWhite: getCheck("ocrBlackWhiteCheckButton"), Threshold: int(getSpin("ocrBlackWhiteValueSpinButton")),
+		AutoRefresh: getCheck("ocrAutoRefreshCheckButton"), RefreshInterval: int(getSpin("ocrRefreshIntervalSpinButton")),
+		ConfirmClick: getCheck("ocrConfirmClickCheckButton"), CopyFirstResult: getCheck("ocrCopyToClipboardCheckButton"),
+		AutoReadAll: getCheck("ocrAutoReadAllCheckButton"),
+	}
+}