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559 lines
19 KiB
559 lines
19 KiB
import { DEFAULT_COMMON_STYLE } from '../graphic/Displayable.js';
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import PathProxy from '../core/PathProxy.js';
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import { createOrUpdateImage, isImageReady } from '../graphic/helper/image.js';
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import { getCanvasGradient, isClipPathChanged } from './helper.js';
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import Path from '../graphic/Path.js';
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import ZRImage from '../graphic/Image.js';
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import TSpan from '../graphic/TSpan.js';
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import { RADIAN_TO_DEGREE } from '../core/util.js';
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import { getLineDash } from './dashStyle.js';
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import { REDRAW_BIT, SHAPE_CHANGED_BIT } from '../graphic/constants.js';
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import { DEFAULT_FONT } from '../core/platform.js';
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var pathProxyForDraw = new PathProxy(true);
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function styleHasStroke(style) {
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var stroke = style.stroke;
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return !(stroke == null || stroke === 'none' || !(style.lineWidth > 0));
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}
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function isValidStrokeFillStyle(strokeOrFill) {
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return typeof strokeOrFill === 'string' && strokeOrFill !== 'none';
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}
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function styleHasFill(style) {
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var fill = style.fill;
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return fill != null && fill !== 'none';
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}
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function doFillPath(ctx, style) {
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if (style.fillOpacity != null && style.fillOpacity !== 1) {
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var originalGlobalAlpha = ctx.globalAlpha;
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ctx.globalAlpha = style.fillOpacity * style.opacity;
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ctx.fill();
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ctx.globalAlpha = originalGlobalAlpha;
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}
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else {
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ctx.fill();
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}
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}
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function doStrokePath(ctx, style) {
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if (style.strokeOpacity != null && style.strokeOpacity !== 1) {
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var originalGlobalAlpha = ctx.globalAlpha;
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ctx.globalAlpha = style.strokeOpacity * style.opacity;
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ctx.stroke();
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ctx.globalAlpha = originalGlobalAlpha;
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}
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else {
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ctx.stroke();
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}
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}
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export function createCanvasPattern(ctx, pattern, el) {
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var image = createOrUpdateImage(pattern.image, pattern.__image, el);
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if (isImageReady(image)) {
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var canvasPattern = ctx.createPattern(image, pattern.repeat || 'repeat');
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if (typeof DOMMatrix === 'function'
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&& canvasPattern
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&& canvasPattern.setTransform) {
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var matrix = new DOMMatrix();
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matrix.translateSelf((pattern.x || 0), (pattern.y || 0));
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matrix.rotateSelf(0, 0, (pattern.rotation || 0) * RADIAN_TO_DEGREE);
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matrix.scaleSelf((pattern.scaleX || 1), (pattern.scaleY || 1));
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canvasPattern.setTransform(matrix);
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}
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return canvasPattern;
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}
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}
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function brushPath(ctx, el, style, inBatch) {
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var _a;
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var hasStroke = styleHasStroke(style);
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var hasFill = styleHasFill(style);
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var strokePercent = style.strokePercent;
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var strokePart = strokePercent < 1;
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var firstDraw = !el.path;
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if ((!el.silent || strokePart) && firstDraw) {
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el.createPathProxy();
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}
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var path = el.path || pathProxyForDraw;
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var dirtyFlag = el.__dirty;
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if (!inBatch) {
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var fill = style.fill;
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var stroke = style.stroke;
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var hasFillGradient = hasFill && !!fill.colorStops;
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var hasStrokeGradient = hasStroke && !!stroke.colorStops;
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var hasFillPattern = hasFill && !!fill.image;
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var hasStrokePattern = hasStroke && !!stroke.image;
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var fillGradient = void 0;
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var strokeGradient = void 0;
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var fillPattern = void 0;
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var strokePattern = void 0;
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var rect = void 0;
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if (hasFillGradient || hasStrokeGradient) {
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rect = el.getBoundingRect();
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}
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if (hasFillGradient) {
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fillGradient = dirtyFlag
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? getCanvasGradient(ctx, fill, rect)
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: el.__canvasFillGradient;
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el.__canvasFillGradient = fillGradient;
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}
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if (hasStrokeGradient) {
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strokeGradient = dirtyFlag
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? getCanvasGradient(ctx, stroke, rect)
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: el.__canvasStrokeGradient;
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el.__canvasStrokeGradient = strokeGradient;
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}
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if (hasFillPattern) {
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fillPattern = (dirtyFlag || !el.__canvasFillPattern)
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? createCanvasPattern(ctx, fill, el)
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: el.__canvasFillPattern;
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el.__canvasFillPattern = fillPattern;
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}
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if (hasStrokePattern) {
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strokePattern = (dirtyFlag || !el.__canvasStrokePattern)
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? createCanvasPattern(ctx, stroke, el)
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: el.__canvasStrokePattern;
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el.__canvasStrokePattern = fillPattern;
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}
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if (hasFillGradient) {
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ctx.fillStyle = fillGradient;
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}
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else if (hasFillPattern) {
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if (fillPattern) {
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ctx.fillStyle = fillPattern;
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}
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else {
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hasFill = false;
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}
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}
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if (hasStrokeGradient) {
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ctx.strokeStyle = strokeGradient;
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}
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else if (hasStrokePattern) {
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if (strokePattern) {
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ctx.strokeStyle = strokePattern;
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}
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else {
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hasStroke = false;
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}
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}
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}
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var scale = el.getGlobalScale();
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path.setScale(scale[0], scale[1], el.segmentIgnoreThreshold);
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var lineDash;
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var lineDashOffset;
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if (ctx.setLineDash && style.lineDash) {
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_a = getLineDash(el), lineDash = _a[0], lineDashOffset = _a[1];
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}
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var needsRebuild = true;
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if (firstDraw || (dirtyFlag & SHAPE_CHANGED_BIT)) {
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path.setDPR(ctx.dpr);
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if (strokePart) {
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path.setContext(null);
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}
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else {
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path.setContext(ctx);
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needsRebuild = false;
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}
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path.reset();
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el.buildPath(path, el.shape, inBatch);
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path.toStatic();
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el.pathUpdated();
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}
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if (needsRebuild) {
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path.rebuildPath(ctx, strokePart ? strokePercent : 1);
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}
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if (lineDash) {
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ctx.setLineDash(lineDash);
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ctx.lineDashOffset = lineDashOffset;
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}
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if (!inBatch) {
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if (style.strokeFirst) {
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if (hasStroke) {
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doStrokePath(ctx, style);
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}
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if (hasFill) {
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doFillPath(ctx, style);
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}
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}
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else {
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if (hasFill) {
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doFillPath(ctx, style);
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}
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if (hasStroke) {
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doStrokePath(ctx, style);
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}
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}
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}
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if (lineDash) {
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ctx.setLineDash([]);
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}
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}
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function brushImage(ctx, el, style) {
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var image = el.__image = createOrUpdateImage(style.image, el.__image, el, el.onload);
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if (!image || !isImageReady(image)) {
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return;
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}
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var x = style.x || 0;
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var y = style.y || 0;
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var width = el.getWidth();
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var height = el.getHeight();
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var aspect = image.width / image.height;
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if (width == null && height != null) {
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width = height * aspect;
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}
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else if (height == null && width != null) {
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height = width / aspect;
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}
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else if (width == null && height == null) {
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width = image.width;
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height = image.height;
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}
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if (style.sWidth && style.sHeight) {
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var sx = style.sx || 0;
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var sy = style.sy || 0;
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ctx.drawImage(image, sx, sy, style.sWidth, style.sHeight, x, y, width, height);
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}
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else if (style.sx && style.sy) {
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var sx = style.sx;
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var sy = style.sy;
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var sWidth = width - sx;
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var sHeight = height - sy;
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ctx.drawImage(image, sx, sy, sWidth, sHeight, x, y, width, height);
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}
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else {
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ctx.drawImage(image, x, y, width, height);
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}
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}
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function brushText(ctx, el, style) {
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var _a;
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var text = style.text;
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text != null && (text += '');
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if (text) {
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ctx.font = style.font || DEFAULT_FONT;
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ctx.textAlign = style.textAlign;
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ctx.textBaseline = style.textBaseline;
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var lineDash = void 0;
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var lineDashOffset = void 0;
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if (ctx.setLineDash && style.lineDash) {
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_a = getLineDash(el), lineDash = _a[0], lineDashOffset = _a[1];
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}
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if (lineDash) {
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ctx.setLineDash(lineDash);
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ctx.lineDashOffset = lineDashOffset;
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}
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if (style.strokeFirst) {
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if (styleHasStroke(style)) {
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ctx.strokeText(text, style.x, style.y);
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}
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if (styleHasFill(style)) {
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ctx.fillText(text, style.x, style.y);
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}
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}
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else {
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if (styleHasFill(style)) {
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ctx.fillText(text, style.x, style.y);
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}
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if (styleHasStroke(style)) {
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ctx.strokeText(text, style.x, style.y);
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}
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}
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if (lineDash) {
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ctx.setLineDash([]);
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}
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}
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}
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var SHADOW_NUMBER_PROPS = ['shadowBlur', 'shadowOffsetX', 'shadowOffsetY'];
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var STROKE_PROPS = [
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['lineCap', 'butt'], ['lineJoin', 'miter'], ['miterLimit', 10]
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];
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function bindCommonProps(ctx, style, prevStyle, forceSetAll, scope) {
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var styleChanged = false;
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if (!forceSetAll) {
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prevStyle = prevStyle || {};
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if (style === prevStyle) {
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return false;
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}
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}
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if (forceSetAll || style.opacity !== prevStyle.opacity) {
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flushPathDrawn(ctx, scope);
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styleChanged = true;
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var opacity = Math.max(Math.min(style.opacity, 1), 0);
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ctx.globalAlpha = isNaN(opacity) ? DEFAULT_COMMON_STYLE.opacity : opacity;
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}
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if (forceSetAll || style.blend !== prevStyle.blend) {
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if (!styleChanged) {
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flushPathDrawn(ctx, scope);
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styleChanged = true;
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}
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ctx.globalCompositeOperation = style.blend || DEFAULT_COMMON_STYLE.blend;
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}
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for (var i = 0; i < SHADOW_NUMBER_PROPS.length; i++) {
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var propName = SHADOW_NUMBER_PROPS[i];
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if (forceSetAll || style[propName] !== prevStyle[propName]) {
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if (!styleChanged) {
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flushPathDrawn(ctx, scope);
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styleChanged = true;
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}
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ctx[propName] = ctx.dpr * (style[propName] || 0);
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}
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}
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if (forceSetAll || style.shadowColor !== prevStyle.shadowColor) {
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if (!styleChanged) {
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flushPathDrawn(ctx, scope);
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styleChanged = true;
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}
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ctx.shadowColor = style.shadowColor || DEFAULT_COMMON_STYLE.shadowColor;
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}
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return styleChanged;
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}
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function bindPathAndTextCommonStyle(ctx, el, prevEl, forceSetAll, scope) {
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var style = getStyle(el, scope.inHover);
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var prevStyle = forceSetAll
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? null
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: (prevEl && getStyle(prevEl, scope.inHover) || {});
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if (style === prevStyle) {
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return false;
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}
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var styleChanged = bindCommonProps(ctx, style, prevStyle, forceSetAll, scope);
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if (forceSetAll || style.fill !== prevStyle.fill) {
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if (!styleChanged) {
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flushPathDrawn(ctx, scope);
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styleChanged = true;
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}
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isValidStrokeFillStyle(style.fill) && (ctx.fillStyle = style.fill);
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}
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if (forceSetAll || style.stroke !== prevStyle.stroke) {
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if (!styleChanged) {
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flushPathDrawn(ctx, scope);
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styleChanged = true;
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}
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isValidStrokeFillStyle(style.stroke) && (ctx.strokeStyle = style.stroke);
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}
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if (forceSetAll || style.opacity !== prevStyle.opacity) {
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if (!styleChanged) {
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flushPathDrawn(ctx, scope);
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styleChanged = true;
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}
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ctx.globalAlpha = style.opacity == null ? 1 : style.opacity;
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}
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if (el.hasStroke()) {
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var lineWidth = style.lineWidth;
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var newLineWidth = lineWidth / ((style.strokeNoScale && el.getLineScale) ? el.getLineScale() : 1);
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if (ctx.lineWidth !== newLineWidth) {
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if (!styleChanged) {
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flushPathDrawn(ctx, scope);
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styleChanged = true;
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}
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ctx.lineWidth = newLineWidth;
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}
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}
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for (var i = 0; i < STROKE_PROPS.length; i++) {
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var prop = STROKE_PROPS[i];
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var propName = prop[0];
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if (forceSetAll || style[propName] !== prevStyle[propName]) {
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if (!styleChanged) {
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flushPathDrawn(ctx, scope);
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styleChanged = true;
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}
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ctx[propName] = style[propName] || prop[1];
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}
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}
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return styleChanged;
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}
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function bindImageStyle(ctx, el, prevEl, forceSetAll, scope) {
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return bindCommonProps(ctx, getStyle(el, scope.inHover), prevEl && getStyle(prevEl, scope.inHover), forceSetAll, scope);
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}
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function setContextTransform(ctx, el) {
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var m = el.transform;
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var dpr = ctx.dpr || 1;
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if (m) {
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ctx.setTransform(dpr * m[0], dpr * m[1], dpr * m[2], dpr * m[3], dpr * m[4], dpr * m[5]);
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}
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else {
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ctx.setTransform(dpr, 0, 0, dpr, 0, 0);
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}
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}
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function updateClipStatus(clipPaths, ctx, scope) {
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var allClipped = false;
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for (var i = 0; i < clipPaths.length; i++) {
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var clipPath = clipPaths[i];
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allClipped = allClipped || clipPath.isZeroArea();
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setContextTransform(ctx, clipPath);
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ctx.beginPath();
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clipPath.buildPath(ctx, clipPath.shape);
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ctx.clip();
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}
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scope.allClipped = allClipped;
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}
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function isTransformChanged(m0, m1) {
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if (m0 && m1) {
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return m0[0] !== m1[0]
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|| m0[1] !== m1[1]
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|| m0[2] !== m1[2]
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|| m0[3] !== m1[3]
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|| m0[4] !== m1[4]
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|| m0[5] !== m1[5];
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}
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else if (!m0 && !m1) {
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return false;
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}
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return true;
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}
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var DRAW_TYPE_PATH = 1;
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var DRAW_TYPE_IMAGE = 2;
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var DRAW_TYPE_TEXT = 3;
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var DRAW_TYPE_INCREMENTAL = 4;
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function canPathBatch(style) {
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var hasFill = styleHasFill(style);
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var hasStroke = styleHasStroke(style);
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return !(style.lineDash
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|| !(+hasFill ^ +hasStroke)
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|| (hasFill && typeof style.fill !== 'string')
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|| (hasStroke && typeof style.stroke !== 'string')
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|| style.strokePercent < 1
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|| style.strokeOpacity < 1
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|| style.fillOpacity < 1);
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}
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function flushPathDrawn(ctx, scope) {
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scope.batchFill && ctx.fill();
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scope.batchStroke && ctx.stroke();
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scope.batchFill = '';
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scope.batchStroke = '';
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}
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function getStyle(el, inHover) {
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return inHover ? (el.__hoverStyle || el.style) : el.style;
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}
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export function brushSingle(ctx, el) {
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brush(ctx, el, { inHover: false, viewWidth: 0, viewHeight: 0 }, true);
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}
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export function brush(ctx, el, scope, isLast) {
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var m = el.transform;
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if (!el.shouldBePainted(scope.viewWidth, scope.viewHeight, false, false)) {
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el.__dirty &= ~REDRAW_BIT;
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el.__isRendered = false;
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return;
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}
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var clipPaths = el.__clipPaths;
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var prevElClipPaths = scope.prevElClipPaths;
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var forceSetTransform = false;
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var forceSetStyle = false;
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if (!prevElClipPaths || isClipPathChanged(clipPaths, prevElClipPaths)) {
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if (prevElClipPaths && prevElClipPaths.length) {
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flushPathDrawn(ctx, scope);
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ctx.restore();
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forceSetStyle = forceSetTransform = true;
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scope.prevElClipPaths = null;
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scope.allClipped = false;
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scope.prevEl = null;
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}
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if (clipPaths && clipPaths.length) {
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flushPathDrawn(ctx, scope);
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ctx.save();
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updateClipStatus(clipPaths, ctx, scope);
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forceSetTransform = true;
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}
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scope.prevElClipPaths = clipPaths;
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}
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if (scope.allClipped) {
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el.__isRendered = false;
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return;
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}
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el.beforeBrush && el.beforeBrush();
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el.innerBeforeBrush();
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var prevEl = scope.prevEl;
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if (!prevEl) {
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forceSetStyle = forceSetTransform = true;
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}
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var canBatchPath = el instanceof Path
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&& el.autoBatch
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&& canPathBatch(el.style);
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if (forceSetTransform || isTransformChanged(m, prevEl.transform)) {
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flushPathDrawn(ctx, scope);
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setContextTransform(ctx, el);
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}
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else if (!canBatchPath) {
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flushPathDrawn(ctx, scope);
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}
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var style = getStyle(el, scope.inHover);
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if (el instanceof Path) {
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if (scope.lastDrawType !== DRAW_TYPE_PATH) {
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forceSetStyle = true;
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scope.lastDrawType = DRAW_TYPE_PATH;
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}
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bindPathAndTextCommonStyle(ctx, el, prevEl, forceSetStyle, scope);
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if (!canBatchPath || (!scope.batchFill && !scope.batchStroke)) {
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ctx.beginPath();
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}
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brushPath(ctx, el, style, canBatchPath);
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if (canBatchPath) {
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scope.batchFill = style.fill || '';
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scope.batchStroke = style.stroke || '';
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}
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}
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else {
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if (el instanceof TSpan) {
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if (scope.lastDrawType !== DRAW_TYPE_TEXT) {
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forceSetStyle = true;
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scope.lastDrawType = DRAW_TYPE_TEXT;
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}
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bindPathAndTextCommonStyle(ctx, el, prevEl, forceSetStyle, scope);
|
|
brushText(ctx, el, style);
|
|
}
|
|
else if (el instanceof ZRImage) {
|
|
if (scope.lastDrawType !== DRAW_TYPE_IMAGE) {
|
|
forceSetStyle = true;
|
|
scope.lastDrawType = DRAW_TYPE_IMAGE;
|
|
}
|
|
bindImageStyle(ctx, el, prevEl, forceSetStyle, scope);
|
|
brushImage(ctx, el, style);
|
|
}
|
|
else if (el.getTemporalDisplayables) {
|
|
if (scope.lastDrawType !== DRAW_TYPE_INCREMENTAL) {
|
|
forceSetStyle = true;
|
|
scope.lastDrawType = DRAW_TYPE_INCREMENTAL;
|
|
}
|
|
brushIncremental(ctx, el, scope);
|
|
}
|
|
}
|
|
if (canBatchPath && isLast) {
|
|
flushPathDrawn(ctx, scope);
|
|
}
|
|
el.innerAfterBrush();
|
|
el.afterBrush && el.afterBrush();
|
|
scope.prevEl = el;
|
|
el.__dirty = 0;
|
|
el.__isRendered = true;
|
|
}
|
|
function brushIncremental(ctx, el, scope) {
|
|
var displayables = el.getDisplayables();
|
|
var temporalDisplayables = el.getTemporalDisplayables();
|
|
ctx.save();
|
|
var innerScope = {
|
|
prevElClipPaths: null,
|
|
prevEl: null,
|
|
allClipped: false,
|
|
viewWidth: scope.viewWidth,
|
|
viewHeight: scope.viewHeight,
|
|
inHover: scope.inHover
|
|
};
|
|
var i;
|
|
var len;
|
|
for (i = el.getCursor(), len = displayables.length; i < len; i++) {
|
|
var displayable = displayables[i];
|
|
displayable.beforeBrush && displayable.beforeBrush();
|
|
displayable.innerBeforeBrush();
|
|
brush(ctx, displayable, innerScope, i === len - 1);
|
|
displayable.innerAfterBrush();
|
|
displayable.afterBrush && displayable.afterBrush();
|
|
innerScope.prevEl = displayable;
|
|
}
|
|
for (var i_1 = 0, len_1 = temporalDisplayables.length; i_1 < len_1; i_1++) {
|
|
var displayable = temporalDisplayables[i_1];
|
|
displayable.beforeBrush && displayable.beforeBrush();
|
|
displayable.innerBeforeBrush();
|
|
brush(ctx, displayable, innerScope, i_1 === len_1 - 1);
|
|
displayable.innerAfterBrush();
|
|
displayable.afterBrush && displayable.afterBrush();
|
|
innerScope.prevEl = displayable;
|
|
}
|
|
el.clearTemporalDisplayables();
|
|
el.notClear = true;
|
|
ctx.restore();
|
|
}
|