32 lines
861 B
JavaScript
32 lines
861 B
JavaScript
export function measureText(font, text) {
|
|
var x = 0;
|
|
|
|
for (var i = 0; i < text.length; i++) {
|
|
if (font.chars[text[i]]) {
|
|
var kerning = font.kernings[text[i]] && font.kernings[text[i]][text[i + 1]] ? font.kernings[text[i]][text[i + 1]] : 0;
|
|
x += (font.chars[text[i]].xadvance || 0) + kerning;
|
|
}
|
|
}
|
|
|
|
return x;
|
|
}
|
|
export function measureTextHeight(font, text, maxWidth) {
|
|
var words = text.split(' ');
|
|
var line = '';
|
|
var textTotalHeight = font.common.lineHeight;
|
|
|
|
for (var n = 0; n < words.length; n++) {
|
|
var testLine = line + words[n] + ' ';
|
|
var testWidth = measureText(font, testLine);
|
|
|
|
if (testWidth > maxWidth && n > 0) {
|
|
textTotalHeight += font.common.lineHeight;
|
|
line = words[n] + ' ';
|
|
} else {
|
|
line = testLine;
|
|
}
|
|
}
|
|
|
|
return textTotalHeight;
|
|
}
|
|
//# sourceMappingURL=measure-text.js.map
|