Fix multi-line breaks in a few commands

commands/edit-image-text/font.js

@@ -1,6 +1,6 @@
 const Command = require('../../framework/Command');
 const { createCanvas } = require('@napi-rs/canvas');
-const { wrapText, fillTextWithBreaks } = require('../../util/Canvas');
+const { wrapText, fillTextWithBreaks, measureTextHeightWithBreaks } = require('../../util/Canvas');
 
 module.exports = class FontCommand extends Command {
 	constructor(client) {
@@ -38,7 +38,7 @@ module.exports = class FontCommand extends Command {
 		ctxPre.font = this.client.fonts.get(font.filename).toCanvasString(50);
 		const len = ctxPre.measureText(text);
 		const lines = wrapText(ctxPre, text, 950);
-		const height = len.emHeightAscent + len.emHeightDescent;
+		const height = measureTextHeightWithBreaks(ctx, text);
 		const canvas = createCanvas(Math.min(len.width + 50, 1000), 50 + height);
 		const ctx = canvas.getContext('2d');
 		ctx.font = this.client.fonts.get(font.filename).toCanvasString(50);

commands/edit-image-text/spongebob-time-card.js

@@ -2,7 +2,7 @@ const Command = require('../../framework/Command');
 const { PermissionFlagsBits } = require('discord.js');
 const { createCanvas, loadImage } = require('@napi-rs/canvas');
 const path = require('path');
-const { wrapText } = require('../../util/Canvas');
+const { wrapText, measureTextHeightWithBreaks } = require('../../util/Canvas');
 
 module.exports = class SpongebobTimeCardCommand extends Command {
 	constructor(client) {
@@ -71,7 +71,8 @@ module.exports = class SpongebobTimeCardCommand extends Command {
 		ctx.font = this.client.fonts.get('Spongeboytt1.ttf').toCanvasString(fontSize);
 		let lines = wrapText(ctx, text.toUpperCase(), 1800);
 		let metrics = ctx.measureText(lines.join('\n'));
-		while (metrics.width > 1800 || (metrics.actualBoundingBoxAscent + metrics.actualBoundingBoxDescent) > 1000) {
+		let heightMetric = measureTextHeightWithBreaks(ctx, lines.join('\n'));
+		while (metrics.width > 1800 || heightMetric > 1000) {
 			fontSize -= 10;
 			ctx.font = this.client.fonts.get('Spongeboytt1.ttf').toCanvasString(fontSize);
 			metrics = ctx.measureText(lines.join('\n'));

commands/edit-image-text/tweet.js

@@ -10,7 +10,7 @@ const request = require('node-superfetch');
 const { readFile } = require('fs/promises');
 const path = require('path');
 const { formatNumberK, randomRange } = require('../../util/Util');
-const { wrapText, fillTextWithBreaks } = require('../../util/Canvas');
+const { wrapText, fillTextWithBreaks, measureTextHeightWithBreaks } = require('../../util/Canvas');
 
 module.exports = class TweetCommand extends Command {
 	constructor(client) {
@@ -68,8 +68,8 @@ module.exports = class TweetCommand extends Command {
 		const ctx = canvas.getContext('2d');
 		ctx.font = this.client.fonts.get('ChirpRegular.ttf').toCanvasString(23);
 		const lines = wrapText(ctx, text, 710, true);
-		const metrics = ctx.measureText(lines.join('\n'));
-		const linesLen = metrics.actualBoundingBoxAscent + metrics.actualBoundingBoxDescent + 15;
+		const metrics = measureTextHeightWithBreaks(ctx, lines.join('\n'), true);
+		const linesLen = metrics + 15;
 		canvas.height += linesLen;
 		let imageHeight = 0;
 		ctx.fillStyle = 'black';
@@ -224,13 +224,18 @@ module.exports = class TweetCommand extends Command {
 		const wrapped = wrapText(ctx, text, maxLineLen, true);
 		const emoji = text.match(emojiRegex());
 		if (!emoji) {
-			fillTextWithBreaks(ctx, wrapped.join('\n'), x, y);
+			fillTextWithBreaks(ctx, wrapped.join('\n'), x, y, true);
 			this.fillHashtags(ctx, wrapped, x, y, emojiSize);
 			return ctx;
 		}
 		let currentY = y;
 		for (let currentLine = 0; currentLine < wrapped.length; currentLine++) {
 			const line = wrapped[currentLine];
+			if (line === '') {
+				const metrics = ctx.measureText('a');
+				currentY += metrics.emHeightAscent + metrics.emHeightDescent;
+				continue;
+			}
 			const lineEmoji = line.match(emojiRegex());
 			let currentX = x;
 			const metrics = ctx.measureText(line);
@@ -262,6 +267,11 @@ module.exports = class TweetCommand extends Command {
 	fillHashtags(ctx, wrappedText, x, y, emojiSize) {
 		let currentY = y;
 		for (const line of wrappedText) {
+			if (line === '') {
+				const metrics = ctx.measureText('a');
+				currentY += metrics.emHeightAscent + metrics.emHeightDescent;
+				continue;
+			}
 			const words = line.split(' ');
 			for (let i = 0; i < words.length; i++) {
 				const word = words[i];

util/Canvas.js

@@ -197,11 +197,11 @@ module.exports = class CanvasUtil {
 		return ctx;
 	}
 
-	static fillTextWithBreaks(ctx, text, x, y, maxLen) {
+	static fillTextWithBreaks(ctx, text, x, y, maxLen, drawMultiBreaks = false) {
 		const lines = text.split('\n');
 		let currentY = y;
 		for (const line of lines) {
-			if (line === '') {
+			if (line === '' && drawMultiBreaks) {
 				const metrics = ctx.measureText('a');
 				currentY += metrics.emHeightAscent + metrics.emHeightDescent;
 			} else {
@@ -213,6 +213,21 @@ module.exports = class CanvasUtil {
 		return ctx;
 	}
 
+	measureTextHeightWithBreaks(ctx, text, parseMultiBreaks = false) {
+		const lines = text.split('\n');
+		let result = 0;
+		for (const line of lines) {
+			if (line === '' && parseMultiBreaks) {
+				const metrics = ctx.measureText('a');
+				result += metrics.emHeightAscent + metrics.emHeightDescent;
+			} else {
+				const metrics = ctx.measureText(line);
+				result += metrics.emHeightAscent + metrics.emHeightDescent;
+			}
+		}
+		return result;
+	}
+
 	static shortenText(ctx, text, maxWidth) {
 		let shorten = false;
 		while (ctx.measureText(`${text}...`).width > maxWidth) {