Sakurai/pdf.js
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Mock resource dict, look up fonts

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This commit is contained in:
Chris Jones 2011-05-05 12:28:37 -05:00
parent e464d31d18
commit 2ecb90fd45
2 changed files with 22 additions and 9 deletions
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25
pdf.js
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@ -647,7 +647,7 @@ var PDFDoc = (function () {
var Interpreter = (function() { var Interpreter = (function() {
function constructor(xref, resources, catalog, graphics) { function constructor(xref, resources, catalog, graphics) {
this.xref = xref; this.xref = xref;
this.resStack = [ resources ]; this.res = resources;
this.catalog = catalog; this.catalog = catalog;
this.gfx = graphics; this.gfx = graphics;
} }
@ -724,7 +724,7 @@ var Interpreter = (function() {
} }, } },
Tf: { params: [ "Name", "Num" ], Tf: { params: [ "Name", "Num" ],
op: function(args) { op: function(args) {
var font = args[0] // XXX look up var font = this.res.Font[args[0]];
this.gfx.setFont(font, args[1]); this.gfx.setFont(font, args[1]);
} }, } },
Td: { params: [ "Num", "Num" ], Td: { params: [ "Num", "Num" ],
@ -867,7 +867,7 @@ var EchoGraphics = (function() {
this.printdentln("ET"); this.printdentln("ET");
}, },
setFont: function(font, size) { setFont: function(font, size) {
this.printdentln("/"+ font +" "+ size +" Tf"); this.printdentln("/"+ font.Name +" "+ size +" Tf");
}, },
moveText: function (x, y) { moveText: function (x, y) {
this.printdentln(""+ x +" "+ y +" Td"); this.printdentln(""+ x +" "+ y +" Td");
@ -1029,8 +1029,7 @@ var CanvasGraphics = (function() {
}, },
setFont: function(font, size) { setFont: function(font, size) {
// NYI this.ctx.font = size +'px '+ font.BaseFont;
this.ctx.font = size +'px Helvetica';
}, },
moveText: function (x, y) { moveText: function (x, y) {
this.moveTo(x, y); this.moveTo(x, y);
@ -1098,6 +1097,17 @@ function real(r) { return new Obj(Obj.Real, r); }
var tests = [ var tests = [
{ name: "Hello world", { name: "Hello world",
res: {
// XXX not structured correctly
Font: {
F1: { Type: "Font",
Subtype: "Type1",
Name: "F1",
BaseFont: "Georgia",
Encoding: "MacRomanEncoding"
},
}
},
objs: [ objs: [
cmd("BT"), cmd("BT"),
name("F1"), int(24), cmd("Tf"), name("F1"), int(24), cmd("Tf"),
@ -1108,6 +1118,7 @@ var tests = [
] ]
}, },
{ name: "Simple graphics", { name: "Simple graphics",
res: { },
objs: [ objs: [
int(150), int(250), cmd("m"), int(150), int(250), cmd("m"),
int(150), int(350), cmd("l"), int(150), int(350), cmd("l"),
@ -1135,6 +1146,7 @@ var tests = [
] ]
}, },
{ name: "Heart", { name: "Heart",
res: { },
objs: [ objs: [
cmd("q"), cmd("q"),
real(0.9), real(0.0), real(0.0), cmd("rg"), real(0.9), real(0.0), real(0.0), cmd("rg"),
@ -1151,6 +1163,7 @@ var tests = [
] ]
}, },
{ name: "Rectangle", { name: "Rectangle",
res: { },
objs: [ objs: [
int(1), int(0), int(0), int(1), int(80), int(80), cmd("cm"), int(1), int(0), int(0), int(1), int(80), int(80), cmd("cm"),
int(0), int(72), cmd("m"), int(0), int(72), cmd("m"),
@ -1171,7 +1184,7 @@ function runEchoTests() {
var output = ""; var output = "";
var gfx = new EchoGraphics(output); var gfx = new EchoGraphics(output);
var i = new Interpreter(null, null, null, gfx); var i = new Interpreter(null, test.res, null, gfx);
i.interpretHelper(new MockParser(test.objs)); i.interpretHelper(new MockParser(test.objs));
print("done. Output:"); print("done. Output:");

6
test.html
View File

@ -22,15 +22,15 @@ function load() {
} }
function displayPage(number) { function displayPage(number) {
var page = tests[number].objs; var page = tests[number];
pageDisplay.value = number; pageDisplay.value = number;
var ctx = canvas.getContext("2d"); var ctx = canvas.getContext("2d");
ctx.save(); ctx.save();
ctx.clearRect(0, 0, canvas.width, canvas.height); ctx.clearRect(0, 0, canvas.width, canvas.height);
var gfx = new CanvasGraphics(ctx, 96.0, 96.0, null); var gfx = new CanvasGraphics(ctx, 96.0, 96.0, null);
var interp = new Interpreter(null, null, null, gfx); var interp = new Interpreter(null, page.res, null, gfx);
interp.interpretHelper(new MockParser(page)); interp.interpretHelper(new MockParser(page.objs));
ctx.restore(); ctx.restore();
} }