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fix:set fixed lineHeight for maxLines

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钱泽虹 2023-09-14 11:15:57 +08:00 committed by osborn
parent d71e55e673
commit 310f5d0ff7
3 changed files with 23 additions and 27 deletions
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24
doric-web/dist/index.js vendored
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@ -7204,6 +7204,7 @@ var doric_web = (function (exports, axios, sandbox) {
const div = document.createElement('div');
div.style.display = "flex";
div.style.overflow = "hidden";
div.style.lineHeight = `${this.lineHeight()}em`;
this.textElement = document.createElement('span');
div.appendChild(this.textElement);
div.style.justifyContent = "center";
@ -7299,33 +7300,29 @@ var doric_web = (function (exports, axios, sandbox) {
configSize() {
if (this.maxLines > 0) {
const computedStyle = window.getComputedStyle(this.view);
const lineHeight = this.lineHeight(computedStyle);
const lineHeight = this.lineHeight() * parseFloat(computedStyle.getPropertyValue('font-size'));
let allowedMaxLines = this.maxLines;
const contentHeight = this.view.clientHeight - pixelString2Number(computedStyle.paddingTop) - pixelString2Number(computedStyle.paddingBottom);
if (contentHeight > 0) {
const contentAllowedLines = Math.floor(contentHeight / lineHeight);
const contentAllowedLines = Math.round(contentHeight / lineHeight);
allowedMaxLines = Math.min(this.maxLines, contentAllowedLines);
}
const originalLines = Math.floor(this.originalHeight(computedStyle) / lineHeight);
const originalLines = Math.round(this.originalHeight(computedStyle) / lineHeight);
if (originalLines > allowedMaxLines) {
this.textElement.innerText = this.truncationText(computedStyle, lineHeight, allowedMaxLines);
}
}
}
lineHeight(style) {
const canvas = document.createElement('canvas');
const ctx = canvas.getContext('2d');
ctx.font = style.font;
const pureText = this.textElement.innerText.replace(/\n/g, '');
const metrics = ctx.measureText(pureText);
return metrics.fontBoundingBoxAscent + metrics.fontBoundingBoxDescent;
lineHeight() {
return 1.3;
}
originalHeight(style) {
const tempEle = document.createElement('div');
tempEle.style.font = style.font;
tempEle.textContent = this.textElement.innerText;
tempEle.style.whiteSpace = style.whiteSpace;
this.view.style.overflow = style.overflow;
tempEle.style.overflow = style.overflow;
tempEle.style.lineHeight = style.lineHeight;
tempEle.style.width = style.width;
document.body.appendChild(tempEle);
const height = tempEle.offsetHeight;
@ -7338,13 +7335,14 @@ var doric_web = (function (exports, axios, sandbox) {
const tempEle = document.createElement('div');
tempEle.style.font = style.font;
tempEle.style.whiteSpace = style.whiteSpace;
this.view.style.overflow = style.overflow;
tempEle.style.overflow = style.overflow;
tempEle.style.lineHeight = style.lineHeight;
tempEle.style.width = style.width;
document.body.appendChild(tempEle);
while (start <= end) {
const mid = Math.floor((start + end) / 2);
tempEle.textContent = originalText.slice(0, mid) + '...';
const lines = Math.floor(tempEle.offsetHeight / lineHeight);
const lines = Math.round(tempEle.offsetHeight / lineHeight);
if (lines > maxLines) {
end = mid - 1;
}

2
doric-web/dist/index.js.map vendored
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File diff suppressed because one or more lines are too long

24
doric-web/src/shader/DoricTextNode.ts
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@ -8,6 +8,7 @@ export class DoricTextNode extends DoricViewNode {
const div = document.createElement('div')
div.style.display = "flex"
div.style.overflow = "hidden"
div.style.lineHeight = `${this.lineHeight()}em`
this.textElement = document.createElement('span')
div.appendChild(this.textElement)
div.style.justifyContent = "center"
@ -100,29 +101,24 @@ export class DoricTextNode extends DoricViewNode {
configSize() {
if (this.maxLines > 0) {
const computedStyle = window.getComputedStyle(this.view)
const lineHeight = this.lineHeight(computedStyle)
const lineHeight = this.lineHeight() * parseFloat(computedStyle.getPropertyValue('font-size'))
let allowedMaxLines = this.maxLines
const contentHeight = this.view.clientHeight - pixelString2Number(computedStyle.paddingTop) - pixelString2Number(computedStyle.paddingBottom)
if (contentHeight > 0) {
const contentAllowedLines = Math.floor(contentHeight / lineHeight)
const contentAllowedLines = Math.round(contentHeight / lineHeight)
allowedMaxLines = Math.min(this.maxLines, contentAllowedLines)
}
const originalLines = Math.floor(this.originalHeight(computedStyle) / lineHeight)
const originalLines = Math.round(this.originalHeight(computedStyle) / lineHeight)
if (originalLines > allowedMaxLines) {
this.textElement.innerText = this.truncationText(computedStyle, lineHeight, allowedMaxLines)
}
}
}
lineHeight(style: CSSStyleDeclaration) {
const canvas = document.createElement('canvas')
const ctx = canvas.getContext('2d')
ctx!.font = style.font
const pureText = this.textElement.innerText.replace(/\n/g, '')
const metrics = ctx!.measureText(pureText)
return metrics.fontBoundingBoxAscent + metrics.fontBoundingBoxDescent
lineHeight() {
return 1.3
}
originalHeight(style:CSSStyleDeclaration) {
@ -130,7 +126,8 @@ export class DoricTextNode extends DoricViewNode {
tempEle.style.font = style.font
tempEle.textContent = this.textElement.innerText
tempEle.style.whiteSpace = style.whiteSpace
this.view.style.overflow = style.overflow
tempEle.style.overflow = style.overflow
tempEle.style.lineHeight = style.lineHeight
tempEle.style.width = style.width
document.body.appendChild(tempEle)
@ -146,14 +143,15 @@ export class DoricTextNode extends DoricViewNode {
const tempEle = document.createElement('div')
tempEle.style.font = style.font
tempEle.style.whiteSpace = style.whiteSpace
this.view.style.overflow = style.overflow
tempEle.style.overflow = style.overflow
tempEle.style.lineHeight = style.lineHeight
tempEle.style.width = style.width
document.body.appendChild(tempEle);
while(start <= end) {
const mid = Math.floor((start + end) / 2)
tempEle.textContent = originalText.slice(0,mid) + '...'
const lines = Math.floor(tempEle.offsetHeight / lineHeight)
const lines = Math.round(tempEle.offsetHeight / lineHeight)
if (lines > maxLines) {
end = mid - 1
} else {