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Refactors SVG api

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This commit is contained in:
Yury Delendik 2014-08-14 12:56:11 -05:00
parent 36eac09171
commit bc574aa629
3 changed files with 30 additions and 27 deletions
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4
examples/node/pdf2svg.js
View File

@ -65,8 +65,8 @@ PDFJS.getDocument(data).then(function (doc) {
return page.getOperatorList().then(function (opList) {
var svgGfx = new PDFJS.SVGGraphics(page.commonObjs, page.objs);
return svgGfx.loadDependencies(opList).then(function (values) {
var svgDump = svgGfx.getSVG(viewport, pageNum, opList).toString();
return svgGfx.getSVG(opList, viewport).then(function (svg) {
var svgDump = svg.toString();
writeToFile(svgDump, pageNum);
});
});

4
examples/svgviewer/viewer.js
View File

@ -48,8 +48,8 @@ PDFJS.getDocument(url).then(function(pdf) {
return page.getOperatorList().then(function (opList) {
var svgGfx = new PDFJS.SVGGraphics(page.commonObjs, page.objs);
return svgGfx.loadDependencies(opList).then(function (values) {
container.appendChild(svgGfx.getSVG(viewport, pageNum, opList));
return svgGfx.getSVG(opList, viewport).then(function (svg) {
container.appendChild(svg);
});
});
});

49
src/display/svg.js
View File

@ -19,16 +19,6 @@
'use strict';
function createScratchSVG(width, height) {
var NS = 'http://www.w3.org/2000/svg';
var svg = document.createElementNS(NS, 'svg:svg');
svg.setAttributeNS(null, 'version', '1.1');
svg.setAttributeNS(null, 'width', width + 'px');
svg.setAttributeNS(null, 'height', height + 'px');
svg.setAttributeNS(null, 'viewBox', '0 0 ' + width + ' ' + height);
return svg;
}
var convertImgDataToPng = (function convertImgDataToPngClosure() {
var PNG_HEADER =
new Uint8Array([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a]);
@ -281,6 +271,16 @@ var SVGExtraState = (function SVGExtraStateClosure() {
})();
var SVGGraphics = (function SVGGraphicsClosure() {
function createScratchSVG(width, height) {
var NS = 'http://www.w3.org/2000/svg';
var svg = document.createElementNS(NS, 'svg:svg');
svg.setAttributeNS(null, 'version', '1.1');
svg.setAttributeNS(null, 'width', width + 'px');
svg.setAttributeNS(null, 'height', height + 'px');
svg.setAttributeNS(null, 'viewBox', '0 0 ' + width + ' ' + height);
return svg;
}
function opListToTree(opList) {
var opTree = [];
var tmp = [];
@ -431,21 +431,24 @@ var SVGGraphics = (function SVGGraphicsClosure() {
this.tgrp.setAttributeNS(null, 'transform', pm(this.transformMatrix));
},
getSVG: function SVGGraphics_getSVG(viewport, pageNum, operatorList) {
getSVG: function SVGGraphics_getSVG(operatorList, viewport) {
this.svg = createScratchSVG(viewport.width, viewport.height);
this.viewport = viewport;
this.transformMatrix = IDENTITY_MATRIX;
this.pgrp = document.createElementNS(NS, 'svg:g'); // Parent group
this.pgrp.setAttributeNS(null, 'transform', pm(viewport.transform));
this.tgrp = document.createElementNS(NS, 'svg:g'); // Transform group
this.tgrp.setAttributeNS(null, 'transform', pm(this.transformMatrix));
this.defs = document.createElementNS(NS, 'svg:defs');
this.pgrp.appendChild(this.defs);
this.pgrp.appendChild(this.tgrp);
this.svg.appendChild(this.pgrp);
var opTree = this.convertOpList(operatorList);
this.executeOpTree(opTree);
return this.svg;
return this.loadDependencies(operatorList).then(function () {
this.transformMatrix = IDENTITY_MATRIX;
this.pgrp = document.createElementNS(NS, 'svg:g'); // Parent group
this.pgrp.setAttributeNS(null, 'transform', pm(viewport.transform));
this.tgrp = document.createElementNS(NS, 'svg:g'); // Transform group
this.tgrp.setAttributeNS(null, 'transform', pm(this.transformMatrix));
this.defs = document.createElementNS(NS, 'svg:defs');
this.pgrp.appendChild(this.defs);
this.pgrp.appendChild(this.tgrp);
this.svg.appendChild(this.pgrp);
var opTree = this.convertOpList(operatorList);
this.executeOpTree(opTree);
return this.svg;
}.bind(this));
},
convertOpList: function SVGGraphics_convertOpList(operatorList) {