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Build the text layer geometry on the worker.

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Brendan Dahl 2014-04-09 16:44:07 -07:00
parent af536353d5
commit 5bd8a83c9b
10 changed files with 404 additions and 416 deletions
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35
src/display/api.js
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@ -339,16 +339,34 @@ var PDFDocumentProxy = (function PDFDocumentProxyClosure() {
return PDFDocumentProxy;
})();
/**
* Page text content.
*
* @typedef {Object} TextContent
* @property {array} items - array of {@link TextItem}
* @property {Object} styles - {@link TextStyles} objects, indexed by font
* name.
*/
/**
* Page text content part.
*
* @typedef {Object} BidiText
* @typedef {Object} TextItem
* @property {string} str - text content.
* @property {string} dir - text direction: 'ttb', 'ltr' or 'rtl'.
* @property {number} x - x position of the text on the page.
* @property {number} y - y position of the text on the page.
* @property {number} angle - text rotation.
* @property {number} size - font size.
* @property {array} transform - transformation matrix.
* @property {number} width - width in device space.
* @property {number} height - height in device space.
* @property {string} fontName - font name used by pdf.js for converted font.
*/
/**
* Text style
* @typedef {Object} TextStyle
* @property {number} ascent - font ascent.
* @property {number} descent - font descent.
* @property {boolean} vertical - text is in vertical mode.
* @property {string} fontFamily - possible font family
*/
/**
@ -522,8 +540,8 @@ var PDFPageProxy = (function PDFPageProxyClosure() {
return renderTask;
},
/**
* @return {Promise} That is resolved with the array of {@link BidiText}
* objects that represent the page text content.
* @return {Promise} That is resolved a {@link TextContent}
* object that represent the page text content.
*/
getTextContent: function PDFPageProxy_getTextContent() {
var promise = new PDFJS.LegacyPromise();
@ -1210,8 +1228,7 @@ var InternalRenderTask = (function InternalRenderTaskClosure() {
var params = this.params;
this.gfx = new CanvasGraphics(params.canvasContext, this.commonObjs,
this.objs, params.textLayer,
params.imageLayer);
this.objs, params.imageLayer);
this.gfx.beginDrawing(params.viewport, transparency);
this.operatorListIdx = 0;