restore long-form function names and a mapping table
This commit is contained in:
Andreas Gal
parent
d65ebb7533
commit
e655900785
158
pdf.js
158
pdf.js
@ -801,11 +801,52 @@ var PDFDoc = (function () {
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})();
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var Interpreter = (function() {
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function constructor(xref, resources, catalog, graphics) {
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function constructor(xref, resources, catalog, gfx) {
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this.xref = xref;
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this.res = resources;
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this.catalog = catalog;
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this.gfx = graphics;
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this.gfx = gfx;
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this.map = {
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// Graphics state
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w: gfx.setLineWidth,
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d: gfx.setDash,
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q: gfx.save,
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Q: gfx.restore,
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cm: gfx.transform,
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// Path
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m: gfx.moveTo,
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l: gfx.lineTo,
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c: gfx.curveTo,
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h: gfx.closePath,
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re: gfx.rectangle,
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S: gfx.stroke,
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f: gfx.fill,
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B: gfx.fillStroke,
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b: gfx.closeFillStroke,
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// Clipping
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// Text
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BT: gfx.beginText,
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ET: gfx.endText,
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Tf: gfx.setFont,
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Td: gfx.moveText,
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Tj: gfx.showText,
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// Type3 fonts
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// Color
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g: gfx.setFillGray,
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RG: gfx.setStrokeRGBColor,
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rg: gfx.setFillRGBColor,
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// Shading
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// Images
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// XObjects
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// Marked content
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// Compatibility
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};
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}
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constructor.prototype = {
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@ -820,12 +861,13 @@ var Interpreter = (function() {
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height: mediaBox[3] - mediaBox[1] });
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var args = [];
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var gfx = this.gfx;
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var map = this.map;
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var obj;
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while (!IsEOF(obj = parser.getObj())) {
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if (IsCmd(obj)) {
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var cmd = obj.cmd;
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var fn = gfx[cmd];
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if (fn && cmd[0] != "$") {
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var fn = map[cmd];
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if (fn) {
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if (fn.length != args.length)
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this.error("Invalid number of arguments '" + cmd + "'");
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fn.apply(gfx, args);
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@ -863,85 +905,85 @@ var EchoGraphics = (function() {
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},
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// Graphics state
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w: function(width) { // setLineWidth
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setLineWidth: function(width) {
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this.printdentln(width +" w");
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},
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d: function(dashArray, dashPhase) { // setDash
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setDash: function(dashArray, dashPhase) {
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this.printdentln(""+ dashArray +" "+ dashPhase +" d");
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},
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q: function() { // save
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save: function() {
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this.printdentln("q");
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},
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Q: function() { // restore
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restore: function() {
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this.printdentln("Q");
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},
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cm: function(a, b, c, d, e, f) { // transform
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transform: function(a, b, c, d, e, f) {
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this.printdentln(""+ a +" "+ b +" "+ c +
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" "+d +" "+ e +" "+ f + " cm");
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},
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// Path
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m: function(x, y) { // moveTo
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moveTo: function(x, y) {
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this.printdentln(""+ x +" "+ y +" m");
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},
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l: function(x, y) { // lineTo
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lineTo: function(x, y) {
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this.printdentln(""+ x +" "+ y +" l");
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},
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c: function(x1, y1, x2, y2, x3, y3) { // curvoTo
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curveTo: function(x1, y1, x2, y2, x3, y3) {
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this.printdentln(""+ x1 +" "+ y1 +
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" "+ x2 +" "+ y2 +
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" "+ x3 +" "+ y3 + " c");
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},
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h: function() { // closePath
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closePath: function() {
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this.printdentln("h");
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},
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re: function(x, y, width, height) { // rectangle
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rectangle: function(x, y, width, height) {
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this.printdentln(""+ x +" "+ y + " "+ width +" "+ height +" re");
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},
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S: function() { // stroke
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stroke: function() {
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this.printdentln("S");
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},
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f: function() { // fill
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fill: function() {
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this.printdentln("f");
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},
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B: function() { // fillStroke
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fillStroke: function() {
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this.printdentln("B");
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},
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b: function() { // closeFillStroke
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closeFillStroke: function() {
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this.printdentln("b");
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},
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// Clipping
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// Text
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BT: function() { // beginText
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beginText: function() {
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this.printdentln("BT");
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this.indent();
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},
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ET: function() { // endText
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endText: function() {
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this.dedent();
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this.printdentln("ET");
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},
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Tf: function(font, size) { // setFont
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setFont: function(font, size) {
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this.printdentln("/"+ font.name +" "+ size +" Tf");
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},
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Td: function (x, y) { // moveText
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moveText: function (x, y) {
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this.printdentln(""+ x +" "+ y +" Td");
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},
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Tj: function(text) { // showText
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showText: function(text) {
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this.printdentln("( "+ text +" ) Tj");
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},
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// Type3 fonts
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// Color
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g: function(gray) { // setFillGray
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setFillGray: function(gray) {
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this.printdentln(""+ gray +" g");
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},
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RG: function(r, g, b) { // setStrokeRGBColor
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setStrokeRGBColor: function(r, g, b) {
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this.printdentln(""+ r +" "+ g +" "+ b +" RG");
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},
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rg: function(r, g, b) { // setFillRGBColor
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setFillRGBColor: function(r, g, b) {
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this.printdentln(""+ r +" "+ g +" "+ b +" rg");
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},
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@ -1008,75 +1050,75 @@ var CanvasGraphics = (function() {
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},
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// Graphics state
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w: function(width) { // setLineWidth
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setLineWidth: function(width) {
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this.ctx.lineWidth = width;
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},
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d: function(dashArray, dashPhase) { // setDash
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setDash: function(dashArray, dashPhase) {
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// TODO
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},
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q: function() { // save
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save: function() {
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this.ctx.save();
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this.stateStack.push(this.current);
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this.current = new CanvasExtraState();
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},
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Q: function() { // restore
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restore: function() {
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this.current = this.stateStack.pop();
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this.ctx.restore();
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},
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cm: function(a, b, c, d, e, f) { // transform
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transform: function(a, b, c, d, e, f) {
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this.ctx.transform(a, b, c, d, e, f);
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},
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// Path
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m: function(x, y) { // moveTo
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moveTo: function(x, y) {
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this.ctx.moveTo(x, y);
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},
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l: function(x, y) { // lineTo
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lineTo: function(x, y) {
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this.ctx.lineTo(x, y);
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},
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c: function(x1, y1, x2, y2, x3, y3) { // curveTo
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curveTo: function(x1, y1, x2, y2, x3, y3) {
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this.ctx.bezierCurveTo(x1, y1, x2, y2, x3, y3);
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},
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h: function() { // closePath
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closePath: function() {
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this.ctx.closePath();
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},
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re: function(x, y, width, height) { // rectangle
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rectangle: function(x, y, width, height) {
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this.ctx.rect(x, y, width, height);
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},
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S: function() { // stroke
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stroke: function() {
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this.ctx.stroke();
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this.$consumePath();
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this.consumePath();
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},
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f: function() { // fill
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fill: function() {
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this.ctx.fill();
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this.$consumePath();
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this.consumePath();
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},
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B: function() { // fillStroke
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fillStroke: function() {
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this.ctx.fill();
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this.ctx.stroke();
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this.$consumePath();
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this.consumePath();
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},
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b: function() { // closeFillStroke
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return this.B(); // fillStroke
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closeFillStroke: function() {
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return this.fillStroke();
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},
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// Clipping
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// Text
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BT: function() { // beginText
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beginText: function() {
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// TODO
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},
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ET: function() { // endText
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endText: function() {
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// TODO
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},
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Tf: function(font, size) { // setFont
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setFont: function(font, size) {
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this.ctx.font = size +'px '+ font.BaseFont;
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},
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Td: function (x, y) { // moveText
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moveText: function (x, y) {
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this.current.lineX = x;
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this.current.lineY = y;
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},
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Tj: function(text) { // showText
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showText: function(text) {
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this.ctx.save();
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this.ctx.translate(0, 2 * this.current.lineY);
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this.ctx.scale(1, -1);
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@ -1089,22 +1131,22 @@ var CanvasGraphics = (function() {
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// Type3 fonts
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// Color
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g: function(gray) { // setFillGray
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this.rg(gray, gray, gray); // setFillRGBColor
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setFillGray: function(gray) {
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this.setFillRGBColor(gray, gray, gray);
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},
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RG: function(r, g, b) { // setStrokeRGBColor
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this.ctx.strokeStyle = this.$makeCssRgb(r, g, b);
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setStrokeRGBColor: function(r, g, b) {
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this.ctx.strokeStyle = this.makeCssRgb(r, g, b);
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},
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rg: function(r, g, b) { // setFillRGBColor
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this.ctx.fillStyle = this.$makeCssRgb(r, g, b);
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setFillRGBColor: function(r, g, b) {
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this.ctx.fillStyle = this.makeCssRgb(r, g, b);
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},
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// Helper functions that are not allowed to be called directly.
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// Helper functions
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$consumePath: function() {
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consumePath: function() {
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this.ctx.beginPath();
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},
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$makeCssRgb: function(r, g, b) {
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makeCssRgb: function(r, g, b) {
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var ri = (255 * r) | 0, gi = (255 * g) | 0, bi = (255 * b) | 0;
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return "rgb("+ ri +","+ gi +","+ bi +")";
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},
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