Atte149/book-reader
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General improvements (#164)

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* Optimized PDF tile rendering performance and quality.

* Added support for adjusting TTS voice speed and pitch.

* Updated the TTS settings UI and playback logic to support real-time parameter adjustments.

* Added horizontal scrolling to the PDF viewer bottom toolbar and updated tool arrangement to use fixed spacing.

* Refined cross-page selection and text extraction in `PaginatedReader`

* Updated EPUB reader styling logic to refine typography and layout controls.

* Bump version to 1.0.42(43)
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Aryan 2026-04-10 20:23:39 +05:30 • committed by GitHub
parent 12d50bb68d
commit 17a0097d4a
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GPG key ID: B5690EEEBB952194
13 changed files with 559 additions and 168 deletions
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94
app/src/main/assets/epub_reader.js
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@ -481,83 +481,60 @@
var newGap = parseFloat(paragraphGap);
if (isNaN(newFontSize) || newFontSize < 0.5 || newFontSize > 5.0) newFontSize = 1.0;
if (isNaN(newLineHeight) || newLineHeight < 1.0 || newLineHeight > 3.0) newLineHeight = 1.6;
if (isNaN(newLineHeight) || newLineHeight < 1.0 || newLineHeight > 3.0) newLineHeight = 1.0;
if (isNaN(newGap) || newGap < 0.0 || newGap > 3.0) newGap = 1.0;
var fontCss = "";
var selector = "body";
if (fontFamily && fontFamily !== "Original" && fontFamily !== "") {
var fallback = "sans-serif";
if (fontFamily === "Merriweather" || fontFamily === "Lora") {
fallback = "serif";
} else if (fontFamily === "Roboto Mono") {
fallback = "monospace";
}
selector = "body, p, span, div, li, a, h1, h2, h3, h4, h5, h6, blockquote, td, th";
fontCss = "font-family: '" + fontFamily + "', " + fallback + " !important;";
fontCss = `
body, p, span, div, li, a, h1, h2, h3, h4, h5, h6, blockquote, td, th {
font-family: '${fontFamily}', ${fallback} !important;
}
`;
}
// --- ALIGNMENT LOGIC ---
var alignCss = "";
var alignSelector = "body, p, li, div, h1, h2, h3, h4, h5, h6";
if (textAlign === "left") {
alignCss =
` ` +
alignSelector +
` {
text-align: left !important;
}
`;
alignCss = alignSelector + " { text-align: left !important; }";
} else if (textAlign === "justify") {
alignCss =
` ` +
alignSelector +
` {
text-align: justify !important;
-webkit-hyphens: auto !important;
hyphens: auto !important;
}
`;
alignCss = alignSelector + " { text-align: justify !important; -webkit-hyphens: auto !important; hyphens: auto !important; }";
}
// --- GAP LOGIC ---
var gapCss = `
var gapCss = "";
if (newGap !== 1.0) {
gapCss = `
body p, body ul, body ol, body blockquote {
margin-top: ` + (0.5 * newGap) + `em !important;
margin-bottom: ` + (0.5 * newGap) + `em !important;
margin-top: ${newGap}em !important;
margin-bottom: ${newGap}em !important;
}
body li {
margin-bottom: ` + (0.25 * newGap) + `em !important;
margin-bottom: ${0.5 * newGap}em !important;
}
`;
`;
}
dynamicStyleElement.innerHTML =
` body {
font-size: ` +
newFontSize +
`em !important;
line-height: ` +
newLineHeight +
` !important;
var sizeCss = "";
if (newFontSize !== 1.0) {
sizeCss = `body { font-size: ${newFontSize}em !important; }`;
}
var lineHeightCss = "";
if (newLineHeight !== 1.0) {
lineHeightCss = `
body, p, div, span, li, a, h1, h2, h3, h4, h5, h6, blockquote, td, th {
line-height: ${newLineHeight} !important;
}
`;
}
` +
selector +
` {
` +
fontCss +
`
}
` +
alignCss +
gapCss;
dynamicStyleElement.innerHTML = [sizeCss, lineHeightCss, fontCss, alignCss, gapCss].join("\n");
setTimeout(
function () {
@ -565,29 +542,20 @@
console.log(logTag + ": [BODY] Computed font-family: " + computedBody);
var firstPara = document.querySelector("p");
if (firstPara) {
var computedPara = window.getComputedStyle(firstPara).fontFamily;
var computedAlign = window.getComputedStyle(firstPara).textAlign;
console.log(logTag + ": [PARAGRAPH] Computed font-family: " + computedPara);
console.log(logTag + ": [PARAGRAPH] Inner Text Sample: " + firstPara.innerText.substring(0, 20));
} else {
console.log(logTag + ": [PARAGRAPH] No <p> tag found to check.");
console.log(logTag + ":[PARAGRAPH] Computed font-family: " + computedPara);
}
if (fontFamily && fontFamily !== "") {
var isCheckAvailable = document.fonts && document.fonts.check;
if (isCheckAvailable) {
var loaded = document.fonts.check("12px '" + fontFamily + "'");
console.log(logTag + ": Font Loading Status -> document.fonts.check('" + fontFamily + "') = " + loaded);
} else {
console.log(logTag + ": document.fonts API not available.");
}
}
},
300,
300
);
if (window.triggerInitialScrollStateReport) {