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增加文本高度监控

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This commit is contained in:
CPPAlien 2019-11-06 16:17:11 +08:00
parent 22ec4b5c9a
commit 0d89fe6cb7
1 changed files with 18 additions and 1 deletions
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19
lib/pen.js
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@ -6,6 +6,7 @@ export default class Painter {
this.ctx = ctx;
this.data = data;
this.globalTextWidth = {};
this.globalTextHeight = {};
}
paint(callback) {
@ -237,7 +238,22 @@ export default class Painter {
} else {
x = 0;
}
const y = view.css && view.css.bottom ? this.style.height - height - view.css.bottom.toPx(true) : (view.css && view.css.top ? view.css.top.toPx(true) : 0);
//const y = view.css && view.css.bottom ? this.style.height - height - view.css.bottom.toPx(true) : (view.css && view.css.top ? view.css.top.toPx(true) : 0);
let y;
if (view.css && view.css.bottom) {
y = this.style.height - height - view.css.bottom.toPx(true);
} else {
if (view.css && view.css.top) {
if (typeof view.css.top === 'string') {
y = view.css.top.toPx(true);
} else {
const tops = view.css.top;
y = tops[0].toPx(true) + this.globalTextHeight[tops[1]] * (tops[2] || 1);
}
} else {
y = 0
}
}
const angle = view.css && view.css.rotate ? this._getAngle(view.css.rotate) : 0;
// 当设置了 right 时，默认 align 用 right，反之用 left
@ -393,6 +409,7 @@ export default class Painter {
textWidth = this.ctx.measureText(textArray[i]).width > textWidth ? this.ctx.measureText(textArray[i]).width : textWidth;
}
this.globalTextWidth[view.id] = width ? (textWidth < width ? textWidth : width) : textWidth;
this.globalTextHeight[view.id] = height;
}
let lineIndex = 0;
for (let j = 0; j < textArray.length; ++j) {