Implement "n" (end path), add stubs for NYI operators

This commit is contained in:
Chris Jones 2011-05-09 20:16:06 -05:00
parent f9839beda8
commit fcdd7e3845

114
pdf.js
View File

@ -1003,6 +1003,8 @@ var Interpreter = (function() {
J: gfx.setLineCap,
j: gfx.setLineJoin,
d: gfx.setDash,
ri: gfx.setRenderingIntent,
i: gfx.setFlatness,
q: gfx.save,
Q: gfx.restore,
cm: gfx.transform,
@ -1017,6 +1019,7 @@ var Interpreter = (function() {
f: gfx.fill,
B: gfx.fillStroke,
b: gfx.closeFillStroke,
n: gfx.endPath,
// Clipping
@ -1028,12 +1031,17 @@ var Interpreter = (function() {
gfx.setFont(font, size);
},
Td: gfx.moveText,
Tm: gfx.setTextMatrix,
Tj: gfx.showText,
TJ: gfx.showSpacedText,
// Type3 fonts
// Color
CS: gfx.setStrokeColorSpace,
cs: gfx.setFillColorSpace,
SC: gfx.setStrokeColor,
sc: gfx.setFillColor,
g: gfx.setFillGray,
RG: gfx.setStrokeRGBColor,
rg: gfx.setFillRGBColor,
@ -1041,6 +1049,8 @@ var Interpreter = (function() {
// Shading
// Images
// XObjects
Do: gfx.paintXObject,
// Marked content
// Compatibility
};
@ -1064,11 +1074,10 @@ var Interpreter = (function() {
if (IsCmd(obj)) {
var cmd = obj.cmd;
var fn = map[cmd];
if (fn) {
if (fn.length != args.length)
this.error("Invalid number of arguments '" + cmd + "'");
if (fn)
// TODO figure out how to type-check vararg functions
fn.apply(gfx, args);
} else
else
this.error("Unknown command '" + cmd + "'");
args.length = 0;
} else {
@ -1116,6 +1125,12 @@ var EchoGraphics = (function() {
setDash: function(dashArray, dashPhase) {
this.printdentln(""+ dashArray +" "+ dashPhase +" d");
},
setRenderingIntent: function(intent) {
this.printdentln("/"+ intent.name + " ri");
},
setFlatness: function(flatness) {
this.printdentln(""+ flatness +" i");
},
save: function() {
this.printdentln("q");
},
@ -1157,6 +1172,9 @@ var EchoGraphics = (function() {
closeFillStroke: function() {
this.printdentln("b");
},
endPath: function() {
this.printdentln("n");
},
// Clipping
@ -1175,6 +1193,10 @@ var EchoGraphics = (function() {
moveText: function (x, y) {
this.printdentln(""+ x +" "+ y +" Td");
},
setTextMatrix: function(a, b, c, d, e, f) {
this.printdentln(""+ a +" "+ b +" "+ c +
" "+d +" "+ e +" "+ f + " Tm");
},
showText: function(text) {
this.printdentln("( "+ text +" ) Tj");
},
@ -1185,6 +1207,24 @@ var EchoGraphics = (function() {
// Type3 fonts
// Color
setStrokeColorSpace: function(space) {
this.printdentln("/"+ space.name +" CS");
},
setFillColorSpace: function(space) {
this.printdentln("/"+ space.name +" cs");
},
setStrokeColor: function(/*...*/) {
this.printdent("");
for (var i = 0; i < arguments.length; ++i)
this.print(""+ arguments[i] +" ");
this.printdentln("SC");
},
setFillColor: function(/*...*/) {
this.printdent("");
for (var i = 0; i < arguments.length; ++i)
this.print(""+ arguments[i] +" ");
this.printdentln("sc");
},
setFillGray: function(gray) {
this.printdentln(""+ gray +" g");
},
@ -1198,6 +1238,10 @@ var EchoGraphics = (function() {
// Shading
// Images
// XObjects
paintXObject: function(obj) {
this.printdentln("/"+ obj.name +" Do");
},
// Marked content
// Compatibility
@ -1209,9 +1253,13 @@ var EchoGraphics = (function() {
this.print(str);
this.out += "\n";
},
printdentln: function(str) {
printdent: function(str) {
this.print(this.indentationStr);
this.println(str);
this.print(str);
},
printdentln: function(str) {
this.printdent(str);
this.println("");
},
indent: function() {
this.indentation += 2;
@ -1277,6 +1325,12 @@ var CanvasGraphics = (function() {
setDash: function(dashArray, dashPhase) {
// TODO
},
setRenderingIntent: function(intent) {
// TODO
},
setFlatness: function(flatness) {
// TODO
},
save: function() {
this.ctx.save();
this.stateStack.push(this.current);
@ -1322,6 +1376,9 @@ var CanvasGraphics = (function() {
closeFillStroke: function() {
return this.fillStroke();
},
endPath: function() {
this.consumePath();
},
// Clipping
@ -1339,10 +1396,13 @@ var CanvasGraphics = (function() {
moveText: function (x, y) {
this.current.lineX += x;
this.current.lineY += y;
// XXX transform
// TODO transform
this.current.curX = this.current.lineX;
this.current.curY = this.current.lineY;
},
setTextMatrix: function(a, b, c, d, e, f) {
// TODO
},
showText: function(text) {
this.ctx.save();
this.ctx.translate(0, 2 * this.current.curY);
@ -1369,6 +1429,18 @@ var CanvasGraphics = (function() {
// Type3 fonts
// Color
setStrokeColorSpace: function(space) {
// TODO
},
setFillColorSpace: function(space) {
// TODO
},
setStrokeColor: function(/*...*/) {
// TODO
},
setFillColor: function(/*...*/) {
// TODO
},
setFillGray: function(gray) {
this.setFillRGBColor(gray, gray, gray);
},
@ -1379,6 +1451,12 @@ var CanvasGraphics = (function() {
this.ctx.fillStyle = this.makeCssRgb(r, g, b);
},
// XObjects
paintXObject: function(obj) {
// TODO
},
// Helper functions
consumePath: function() {
@ -1499,6 +1577,13 @@ var tests = [
int(-72), int(0), cmd("l"),
int(4), cmd("w"),
cmd("h"), cmd("S"),
int(100), int(72), cmd("m"),
int(172), int(0), cmd("l"),
int(100), int(-72), cmd("l"),
int(-172), int(0), cmd("l"),
int(4), cmd("w"),
cmd("n"),
cmd("S"),
eof()
]
},
@ -1579,6 +1664,21 @@ var tests = [
eof()
],
},
{ name: "NYI", // check that NYI commands are no-ops
res: { },
mediaBox: [ 0, 0, 612, 792 ],
objs: [
name("Perceptual"), cmd("ri"),
int(2), cmd("i"),
int(1), int(0), int(0), int(1), int(80), int(80), cmd("Tm"),
name("DeviceRGB"), cmd("CS"),
name("DeviceGray"), cmd("cs"),
int(1), int(0), int(0), cmd("SC"),
int(1), cmd("sc"),
name("object"), cmd("Do"),
eof()
],
},
];