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+ Added comments to getMaxCharsPerLine and wrapText

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+ Added German and English strings for text-size and text-font
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Sync1211 2022-05-18 12:12:11 +02:00
parent 8f402eb80f
commit 7afe68c151
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3 changed files with 10 additions and 3 deletions
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2
www/lang/de-DE.json
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@ -43,6 +43,8 @@
"coming-soon": "Demnächst verfügbar…", "coming-soon": "Demnächst verfügbar…",
"dry-run": "Testlauf", "dry-run": "Testlauf",
"dry-run-test-print-process-only": "Testlauf: nur Probedruckvorgang", "dry-run-test-print-process-only": "Testlauf: nur Probedruckvorgang",
"text-font": "Schriftart",
"text-size": "Textgröße",
"you-can-close-this-page-manually": "Sie können diese Seite manuell schließen", "you-can-close-this-page-manually": "Sie können diese Seite manuell schließen",
"please-enable-bluetooth": "Bitte aktivieren Sie Bluetooth", "please-enable-bluetooth": "Bitte aktivieren Sie Bluetooth",
"error-happened-please-check-error-message": "Fehler aufgetreten, bitte Fehlermeldung einsehen", "error-happened-please-check-error-message": "Fehler aufgetreten, bitte Fehlermeldung einsehen",

2
www/lang/en-US.json
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@ -42,6 +42,8 @@
"coming-soon": "Coming Soon…", "coming-soon": "Coming Soon…",
"dry-run": "Dry Run", "dry-run": "Dry Run",
"dry-run-test-print-process-only": "Dry Run: test print process only", "dry-run-test-print-process-only": "Dry Run: test print process only",
"text-font": "Font",
"text-size": "Text size",
"you-can-close-this-page-manually": "You can close this page manually", "you-can-close-this-page-manually": "You can close this page manually",
"please-enable-bluetooth": "Please enable Bluetooth", "please-enable-bluetooth": "Please enable Bluetooth",
"error-happened-please-check-error-message": "Error happened, please check error message", "error-happened-please-check-error-message": "Error happened, please check error message",

5
www/main.js
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@ -455,6 +455,8 @@ class CanvasController {
// Use Word Wrap to split the text over multiple lines // Use Word Wrap to split the text over multiple lines
let lines = []; let lines = [];
// Calculate the aproximate maximum length of a string
// taking font and text size in account
const getMaxCharsPerLine = (text, ctx) => { const getMaxCharsPerLine = (text, ctx) => {
let textWidth = ctx.measureText(text).width; let textWidth = ctx.measureText(text).width;
let textIndex = maxWidth / textWidth; let textIndex = maxWidth / textWidth;
@ -462,6 +464,8 @@ class CanvasController {
if (textIndex > 1) { return text.length} if (textIndex > 1) { return text.length}
return Math.floor(textIndex * text.length); return Math.floor(textIndex * text.length);
} }
// Wrap the text if it does not fit on a single line
const wrapText = (text, maxLength) => { const wrapText = (text, maxLength) => {
let splitPos = maxLength - 1; let splitPos = maxLength - 1;
while (text[splitPos] != " " && splitPos > 0) { while (text[splitPos] != " " && splitPos > 0) {
@ -478,7 +482,6 @@ class CanvasController {
} }
lines.push(text) lines.push(text)
let yPos = yStep; let yPos = yStep;
for (let line of lines) { for (let line of lines) {
ctx.fillText(line, 0, yPos); ctx.fillText(line, 0, yPos);