bd028579
 易尊强
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import { createElement, XLINKNS } from '../svg/core.js';
import { getMatrixStr, TEXT_ALIGN_TO_ANCHOR, adjustTextY } from '../svg/helper.js';
import { getLineHeight } from '../contain/text.js';
import SVGPathRebuilder from '../svg/SVGPathRebuilder.js';
import mapStyleToAttrs from '../svg/mapStyleToAttrs.js';
import { DEFAULT_FONT } from '../core/platform.js';
function setTransform(svgEl, m) {
if (m) {
attr(svgEl, 'transform', getMatrixStr(m));
}
}
function attr(el, key, val) {
if (!val || val.type !== 'linear' && val.type !== 'radial') {
el.setAttribute(key, val);
}
}
function attrXLink(el, key, val) {
el.setAttributeNS(XLINKNS, key, val);
}
function attrXML(el, key, val) {
el.setAttributeNS('http://www.w3.org/XML/1998/namespace', key, val);
}
function bindStyle(svgEl, style, el) {
mapStyleToAttrs(function (key, val) { return attr(svgEl, key, val); }, style, el, true);
}
var svgPath = {
brush: function (el) {
var style = el.style;
var svgEl = el.__svgEl;
if (!svgEl) {
svgEl = createElement('path');
el.__svgEl = svgEl;
}
if (!el.path) {
el.createPathProxy();
}
var path = el.path;
if (el.shapeChanged()) {
path.beginPath();
el.buildPath(path, el.shape);
el.pathUpdated();
}
var pathVersion = path.getVersion();
var elExt = el;
var svgPathBuilder = elExt.__svgPathBuilder;
if (elExt.__svgPathVersion !== pathVersion || !svgPathBuilder || el.style.strokePercent < 1) {
if (!svgPathBuilder) {
svgPathBuilder = elExt.__svgPathBuilder = new SVGPathRebuilder();
}
svgPathBuilder.reset();
path.rebuildPath(svgPathBuilder, el.style.strokePercent);
svgPathBuilder.generateStr();
elExt.__svgPathVersion = pathVersion;
}
attr(svgEl, 'd', svgPathBuilder.getStr());
bindStyle(svgEl, style, el);
setTransform(svgEl, el.transform);
}
};
export { svgPath as path };
var svgImage = {
brush: function (el) {
var style = el.style;
var image = style.image;
if (image instanceof HTMLImageElement) {
image = image.src;
}
else if (image instanceof HTMLCanvasElement) {
image = image.toDataURL();
}
if (!image) {
return;
}
var x = style.x || 0;
var y = style.y || 0;
var dw = style.width;
var dh = style.height;
var svgEl = el.__svgEl;
if (!svgEl) {
svgEl = createElement('image');
el.__svgEl = svgEl;
}
if (image !== el.__imageSrc) {
attrXLink(svgEl, 'href', image);
el.__imageSrc = image;
}
attr(svgEl, 'width', dw + '');
attr(svgEl, 'height', dh + '');
attr(svgEl, 'x', x + '');
attr(svgEl, 'y', y + '');
bindStyle(svgEl, style, el);
setTransform(svgEl, el.transform);
}
};
export { svgImage as image };
var svgText = {
brush: function (el) {
var style = el.style;
var text = style.text;
text != null && (text += '');
if (!text || isNaN(style.x) || isNaN(style.y)) {
return;
}
var textSvgEl = el.__svgEl;
if (!textSvgEl) {
textSvgEl = createElement('text');
attrXML(textSvgEl, 'xml:space', 'preserve');
el.__svgEl = textSvgEl;
}
var font = style.font || DEFAULT_FONT;
var textSvgElStyle = textSvgEl.style;
textSvgElStyle.font = font;
textSvgEl.textContent = text;
bindStyle(textSvgEl, style, el);
setTransform(textSvgEl, el.transform);
var x = style.x || 0;
var y = adjustTextY(style.y || 0, getLineHeight(font), style.textBaseline);
var textAlign = TEXT_ALIGN_TO_ANCHOR[style.textAlign]
|| style.textAlign;
attr(textSvgEl, 'dominant-baseline', 'central');
attr(textSvgEl, 'text-anchor', textAlign);
attr(textSvgEl, 'x', x + '');
attr(textSvgEl, 'y', y + '');
}
};
export { svgText as text };
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